Amazon Basics Microwave User manual

Amazon
Brand
Amazon
Model
Basics Microwave
Category
Microwaves
Type
User manual

This manual is also suitable for

MICROWAVE OVEN
SERVICE MANUAL
Model: S9N29R
CAUTION: BEFORE SERVICING THE UNIT,
READ SAFETY PRECAUTIONS IN THIS MANUAL
1
SAFETY PRECAUTIONS
๎ƒ๎ƒ๎ƒž๎ƒจ๎€ƒ๎ƒ™๎ƒš๎ƒซ๎ƒž๎ƒ˜๎ƒš๎€ƒ๎ƒž๎ƒจ๎€ƒ๎ƒฉ๎ƒค๎€ƒ๎ƒ—๎ƒš๎€ƒ๎ƒจ๎ƒš๎ƒง๎ƒซ๎ƒž๎ƒ˜๎ƒš๎ƒ™๎€ƒ๎ƒค๎ƒฃ๎ƒก๎ƒฎ๎€ƒ๎ƒ—๎ƒฎ๎€ƒ๎ƒฅ๎ƒง๎ƒค๎ƒฅ๎ƒš๎ƒง๎ƒก๎ƒฎ๎€ƒ๎ƒฆ๎ƒช๎ƒ–๎ƒก๎ƒž๎„๎ƒš๎ƒ™๎€ƒ๎ƒจ๎ƒš๎ƒง๎ƒซ๎ƒž๎ƒ˜๎ƒš๎€ƒ๎ƒฅ๎ƒš๎ƒง๎ƒจ๎ƒค๎ƒฃ๎ƒฃ๎ƒš๎ƒก๎€„๎€ƒ
Consult this service manual for proper service procedures to ensure continued
safe operation and for precautions to be taken to avoid possible exposure to
๎ƒš๎ƒญ๎ƒ˜๎ƒš๎ƒจ๎ƒจ๎ƒž๎ƒซ๎ƒš๎€ƒ๎ƒข๎ƒž๎ƒ˜๎ƒง๎ƒค๎ƒฌ๎ƒ–๎ƒซ๎ƒš๎€ƒ๎ƒš๎ƒฃ๎ƒš๎ƒง๎ƒœ๎ƒฎ๎€„
PRECAUTIONS TO BE OBSERVED
BEFORE AND DURING SERVICING
TO AVOID POSSIBLE EXPOSURE TO
EXCESSIVE MICROWAVE ENERGY
๎ƒ–๎‚–๎€ƒ๎‚ฟ๎ƒค๎€ƒ๎ƒฃ๎ƒค๎ƒฉ๎€ƒ๎ƒค๎ƒฅ๎ƒš๎ƒง๎ƒ–๎ƒฉ๎ƒš๎€ƒ๎ƒค๎ƒง๎€ƒ๎ƒ–๎ƒก๎ƒก๎ƒค๎ƒฌ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒค๎ƒซ๎ƒš๎ƒฃ๎€ƒ๎ƒฉ๎ƒค๎€ƒ๎ƒ—๎ƒš๎€ƒ๎ƒค๎ƒฅ๎ƒš๎ƒง๎ƒ–๎ƒฉ๎ƒš๎ƒ™๎€ƒ๎ƒฌ๎ƒž๎ƒฉ๎ƒ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ™๎ƒค๎ƒค๎ƒง๎€ƒ๎ƒค๎ƒฅ๎ƒš๎ƒฃ๎€„
b) Make the following safety checks on all ovens to be serviced before
activating the magnetron or other microwave source, and make repairs
as necessary: (1) interlock operation, (2) proper door closing, (3) seal
and sealing surfaces (arcing, wear, and other damage), (4) damage to or
๎ƒก๎ƒค๎ƒค๎ƒจ๎ƒš๎ƒฃ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒค๎ƒ›๎€ƒ๎ƒ๎ƒž๎ƒฃ๎ƒœ๎ƒš๎ƒจ๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒก๎ƒ–๎ƒฉ๎ƒ˜๎ƒ๎ƒš๎ƒจ๎€†๎€ƒ๎‚•๎€ข๎‚–๎€ƒ๎ƒš๎ƒซ๎ƒž๎ƒ™๎ƒš๎ƒฃ๎ƒ˜๎ƒš๎€ƒ๎ƒค๎ƒ›๎€ƒ๎ƒ™๎ƒง๎ƒค๎ƒฅ๎ƒฅ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒค๎ƒง๎€ƒ๎ƒ–๎ƒ—๎ƒช๎ƒจ๎ƒš๎€„
c) Before turning on microwave power for any service test or inspection
within the microwave generating compartments, check the magnetron,
wave guide or transmission line, and cavity for proper alignment, integrity,
๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒ˜๎ƒค๎ƒฃ๎ƒฃ๎ƒš๎ƒ˜๎ƒฉ๎ƒž๎ƒค๎ƒฃ๎€„
d) Any defective or misadjusted components in the interlock, monitor, door
seal, and microwave generation and transmission systems shall be repaired,
replaced, or adjusted by procedures described in this manual before the
๎ƒค๎ƒซ๎ƒš๎ƒฃ๎€ƒ๎ƒž๎ƒจ๎€ƒ๎ƒง๎ƒš๎ƒก๎ƒš๎ƒ–๎ƒจ๎ƒš๎ƒ™๎€ƒ๎ƒฉ๎ƒค๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒค๎ƒฌ๎ƒฃ๎ƒš๎ƒง๎€„
e) A microwave leakage check to verify compliance with the Federal
Performance Standard should be performed on each oven prior to release
๎ƒฉ๎ƒค๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒค๎ƒฌ๎ƒฃ๎ƒš๎ƒง๎€„
CONTENTS
SAFETY PRECAUTIONS
CAUTION๎€ƒ๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„2
INSTALL ATION๎€ƒ๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„2
SERVICE INFORMATION๎€ƒ๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„3
CIRCUIT DESCRIPTION๎€ƒ๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„3
TOOLS AND MEASURING INSTRUMENTS๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„3
MICROWAVE LEAKAGE TEST๎€ƒ๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„3
DISASSEMBLY AND ADJUSTMENT๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„4
๎€ž๎€„๎€ƒ ๎ƒŠ๎ƒช๎ƒฉ๎ƒš๎ƒง๎€ƒ๎ƒ˜๎ƒ–๎ƒจ๎ƒš๎€ƒ๎ƒง๎ƒš๎ƒข๎ƒค๎ƒซ๎ƒ–๎ƒก๎€ƒ๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„4
๎€Ÿ๎€„๎€ƒ ๎ƒ‹๎ƒค๎ƒฌ๎ƒš๎ƒง๎€ƒ๎ƒจ๎ƒช๎ƒฅ๎ƒฅ๎ƒก๎ƒฎ๎€ƒ๎ƒ˜๎ƒค๎ƒง๎ƒ™๎€ƒ๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„4
๎€ ๎€„๎€ƒ ๎‚พ๎ƒค๎ƒฃ๎ƒฉ๎ƒง๎ƒค๎ƒก๎€ƒ๎ƒฅ๎ƒ–๎ƒฃ๎ƒš๎ƒก๎€ƒ๎ƒ–๎ƒจ๎ƒจ๎ƒš๎ƒข๎ƒ—๎ƒก๎ƒฎ๎€ƒ๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„4
๎€ก๎€„๎€ƒ ๎‚ฟ๎ƒค๎ƒค๎ƒง๎€ƒ๎ƒ–๎ƒจ๎ƒจ๎ƒš๎ƒข๎ƒ—๎ƒก๎ƒฎ๎€ƒ๎ƒง๎ƒš๎ƒข๎ƒค๎ƒซ๎ƒ–๎ƒก๎€ƒ๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„ 5
๎€ข๎€„๎€ƒ ๎ƒƒ๎ƒž๎ƒœ๎ƒ-voltage transformer removal๎€ƒ๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„ 5
๎€ฃ๎€„๎€ƒ ๎ƒŠ๎ƒง๎ƒž๎„๎ƒ˜๎ƒš๎€ƒ๎ƒ–๎ƒจ๎ƒจ๎ƒš๎ƒข๎ƒ—๎ƒก๎ƒฎ๎€ƒ๎ƒง๎ƒš๎ƒข๎ƒค๎ƒซ๎ƒ–๎ƒก๎€ƒ๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„5
๎€ค๎€„๎€ƒ ๎ƒƒ๎ƒž๎ƒœ๎ƒ -voltage capacitor and diode removal๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„5
๎€ฅ๎€„๎€ƒ ๎ƒˆ๎ƒ–๎ƒœ๎ƒฃ๎ƒš๎ƒฉ๎ƒง๎ƒค๎ƒฃ๎€ƒ๎ƒง๎ƒš๎ƒข๎ƒค๎ƒซ๎ƒ–๎ƒก๎€ƒ๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„ 5
๎€ฆ๎€„๎€ƒ ๎ƒ๎ƒš๎ƒข๎ƒค๎ƒซ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒฉ๎ƒช๎ƒง๎ƒฃ๎ƒฉ๎ƒ–๎ƒ—๎ƒก๎ƒš๎€ƒ๎ƒข๎ƒค๎ƒฉ๎ƒค๎ƒง๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„5
๎€ž๎€๎€„๎€ƒ ๎ƒ‹๎‚พ๎‚ฝ๎€ƒ๎ƒ–๎ƒจ๎ƒจ๎ƒš๎ƒข๎ƒ—๎ƒก๎ƒฎ๎€ƒ๎ƒง๎ƒš๎ƒข๎ƒค๎ƒซ๎ƒ–๎ƒก๎€ƒ๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„6
๎€ž๎€ž๎€„๎€ƒ ๎ƒ„๎ƒฃ๎ƒฉ๎ƒš๎ƒง๎ƒก๎ƒค๎ƒ˜๎ƒ ๎€ƒ๎ƒจ๎ƒฎ๎ƒจ๎ƒฉ๎ƒš๎ƒข๎€ƒ๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„ 6
INTERLOCK CONTINUITY TEST๎€ƒ๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„6
๎€ž๎€„๎€ƒ ๎ƒ‹๎ƒง๎ƒž๎ƒข๎ƒ–๎ƒง๎ƒฎ๎€ƒ๎ƒž๎ƒฃ๎ƒฉ๎ƒš๎ƒง๎ƒก๎ƒค๎ƒ˜๎ƒ ๎€ƒ๎ƒจ๎ƒฌ๎ƒž๎ƒฉ๎ƒ˜๎ƒ๎€ƒ๎ƒฉ๎ƒš๎ƒจ๎ƒฉ๎€ƒ๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„6
๎€Ÿ๎€„๎€ƒ ๎ƒŽ๎ƒš๎ƒ˜๎ƒค๎ƒฃ๎ƒ™๎ƒ–๎ƒง๎ƒฎ๎€ƒ๎ƒž๎ƒฃ๎ƒฉ๎ƒš๎ƒง๎ƒก๎ƒค๎ƒ˜๎ƒ ๎€ƒ๎ƒจ๎ƒฌ๎ƒž๎ƒฉ๎ƒ˜๎ƒ๎€ƒ๎ƒฉ๎ƒš๎ƒจ๎ƒฉ๎€ƒ๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„6
๎€ ๎€„๎€ƒ ๎ƒˆ๎ƒค๎ƒฃ๎ƒž๎ƒฉ๎ƒค๎ƒง๎€ƒ๎ƒจ๎ƒฌ๎ƒž๎ƒฉ๎ƒ˜๎ƒ๎€ƒ๎ƒฉ๎ƒš๎ƒจ๎ƒฉ๎€ƒ๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„6
COMPONENT TEST PROCEDURE๎€ƒ๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„7
TROUBLESHOOTING๎€ƒ๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„9
EXPLODED VIEW AND SPARE PARTS LIST๎€ƒ๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„12
WIRING DIAGRAM๎€ƒ๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„๎€„12
2
CAUTION
Unlike other appliances, the microwave oven is
a high-voltage, high-current device๎€„๎€ƒ๎ƒ๎ƒ๎ƒค๎ƒช๎ƒœ๎ƒ๎€ƒ๎ƒž๎ƒฉ๎€ƒ๎ƒž๎ƒจ๎€ƒ
free from danger in ordinary use, extreme care
๎ƒจ๎ƒ๎ƒค๎ƒช๎ƒก๎ƒ™๎€ƒ๎ƒ—๎ƒš๎€ƒ๎ƒฉ๎ƒ–๎ƒ ๎ƒš๎ƒฃ๎€ƒ๎ƒ™๎ƒช๎ƒง๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒง๎ƒš๎ƒฅ๎ƒ–๎ƒž๎ƒง๎€„
โ€ข DO NOT operate on a 2-wire extension cord
๎ƒ™๎ƒช๎ƒง๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒง๎ƒš๎ƒฅ๎ƒ–๎ƒž๎ƒง๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒช๎ƒจ๎ƒš๎€„
โ€ข NEVER TOUCH any oven components or wiring
๎ƒ™๎ƒช๎ƒง๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒค๎ƒฅ๎ƒš๎ƒง๎ƒ–๎ƒฉ๎ƒž๎ƒค๎ƒฃ๎€„
โ€ข BEFORE TOUCHING any parts of the oven,
๎ƒ–๎ƒก๎ƒฌ๎ƒ–๎ƒฎ๎ƒจ๎€ƒ๎ƒง๎ƒš๎ƒข๎ƒค๎ƒซ๎ƒš๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒฅ๎ƒค๎ƒฌ๎ƒš๎ƒง๎€ƒ๎ƒฅ๎ƒก๎ƒช๎ƒœ๎€ƒ๎ƒ›๎ƒง๎ƒค๎ƒข๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒค๎ƒช๎ƒฉ๎ƒก๎ƒš๎ƒฉ๎€„
โ€ข For about 30 seconds after the oven stops,
an electric charge remains in the high-voltage
๎ƒ˜๎ƒ–๎ƒฅ๎ƒ–๎ƒ˜๎ƒž๎ƒฉ๎ƒค๎ƒง๎€„๎€ƒ๎ƒ’๎ƒ๎ƒš๎ƒฃ๎€ƒ๎ƒง๎ƒš๎ƒฅ๎ƒก๎ƒ–๎ƒ˜๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒค๎ƒง๎€ƒ๎ƒ˜๎ƒ๎ƒš๎ƒ˜๎ƒ ๎ƒž๎ƒฃ๎ƒœ๎€†๎€ƒ๎ƒฎ๎ƒค๎ƒช๎€ƒ
must discharge the high-voltage capacitor
by shorting across the two terminals with an
๎ƒž๎ƒฃ๎ƒจ๎ƒช๎ƒก๎ƒ–๎ƒฉ๎ƒš๎ƒ™๎€ƒ๎ƒจ๎ƒ˜๎ƒง๎ƒš๎ƒฌ๎ƒ™๎ƒง๎ƒž๎ƒซ๎ƒš๎ƒง๎€„
โ€ข Remove your watch whenever working close to
๎ƒค๎ƒง๎€ƒ๎ƒง๎ƒš๎ƒฅ๎ƒก๎ƒ–๎ƒ˜๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒข๎ƒ–๎ƒœ๎ƒฃ๎ƒš๎ƒฉ๎ƒง๎ƒค๎ƒฃ๎€„
โ€ข NEVER operate the oven with no load inside๎€„
โ€ข NEVER injure the door seal and front plate of
๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒค๎ƒซ๎ƒš๎ƒฃ๎€ƒ๎ƒ˜๎ƒ–๎ƒซ๎ƒž๎ƒฉ๎ƒฎ๎€„
๎‚๎€ƒ ๎ƒ‰๎ƒ€๎ƒ‘๎ƒ€๎ƒ๎€ƒ๎ƒฅ๎ƒช๎ƒฉ๎€ƒ๎ƒž๎ƒง๎ƒค๎ƒฃ๎€ƒ๎ƒฉ๎ƒค๎ƒค๎ƒก๎ƒจ๎€ƒ๎ƒค๎ƒฃ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒข๎ƒ–๎ƒœ๎ƒฃ๎ƒš๎ƒฉ๎ƒง๎ƒค๎ƒฃ๎€„
โ€ข NEVER put anything into the latch hole and
๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒž๎ƒฃ๎ƒฉ๎ƒš๎ƒง๎ƒก๎ƒค๎ƒ˜๎ƒ ๎€ƒ๎ƒจ๎ƒฌ๎ƒž๎ƒฉ๎ƒ˜๎ƒ๎ƒš๎ƒจ๎€ƒ๎ƒ–๎ƒง๎ƒš๎ƒ–๎€„
MICROWAVE RADIATION
Personnel should NOT be exposed to microwave
energy that may radiate from the magnetron
or other microwave generating device, if it is
๎ƒฅ๎ƒง๎ƒค๎ƒฅ๎ƒš๎ƒง๎ƒก๎ƒฎ๎€ƒ๎ƒช๎ƒจ๎ƒš๎ƒ™๎€ƒ๎ƒค๎ƒง๎€ƒ๎ƒ˜๎ƒค๎ƒฃ๎ƒฃ๎ƒš๎ƒ˜๎ƒฉ๎ƒš๎ƒ™๎€„๎€ƒ๎‚ผ๎ƒก๎ƒก๎€ƒ๎ƒž๎ƒฃ๎ƒฅ๎ƒช๎ƒฉ๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒค๎ƒช๎ƒฉ๎ƒฅ๎ƒช๎ƒฉ๎€ƒ
๎ƒข๎ƒž๎ƒ˜๎ƒง๎ƒค๎ƒฌ๎ƒ–๎ƒซ๎ƒš๎€ƒ๎ƒ˜๎ƒค๎ƒฃ๎ƒฃ๎ƒš๎ƒ˜๎ƒฉ๎ƒž๎ƒค๎ƒฃ๎ƒจ๎€†๎€ƒ๎ƒฌ๎ƒ–๎ƒซ๎ƒš๎ƒœ๎ƒช๎ƒž๎ƒ™๎ƒš๎€†๎€ƒ๎„ž๎ƒ–๎ƒฃ๎ƒœ๎ƒš๎€ƒ
๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒœ๎ƒ–๎ƒจ๎ƒ ๎ƒš๎ƒฉ๎€ƒ๎ƒข๎ƒช๎ƒจ๎ƒฉ๎€ƒ๎ƒ—๎ƒš๎€ƒ๎ƒจ๎ƒš๎ƒ˜๎ƒช๎ƒง๎ƒš๎€„๎€ƒ๎ƒ‰๎ƒš๎ƒซ๎ƒš๎ƒง๎€ƒ๎ƒค๎ƒฅ๎ƒš๎ƒง๎ƒ–๎ƒฉ๎ƒš๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ
device without a microwave energy absorbing
๎ƒก๎ƒค๎ƒ–๎ƒ™๎€ƒ๎ƒ–๎ƒฉ๎ƒฉ๎ƒ–๎ƒ˜๎ƒ๎ƒš๎ƒ™๎€„
Never look into an open waveguide or antenna
๎ƒฌ๎ƒ๎ƒž๎ƒก๎ƒš๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ™๎ƒš๎ƒซ๎ƒž๎ƒ˜๎ƒš๎€ƒ๎ƒž๎ƒจ๎€ƒ๎ƒš๎ƒฃ๎ƒš๎ƒง๎ƒœ๎ƒž๎ƒฏ๎ƒš๎ƒ™๎€„
โ€ข Proper operation of the microwave oven
requires that the magnetron be attached to
๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒฌ๎ƒ–๎ƒซ๎ƒš๎ƒœ๎ƒช๎ƒž๎ƒ™๎ƒš๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒ˜๎ƒ–๎ƒซ๎ƒž๎ƒฉ๎ƒฎ๎€„๎€ƒ๎ƒ‰๎ƒš๎ƒซ๎ƒš๎ƒง๎€ƒ๎ƒค๎ƒฅ๎ƒš๎ƒง๎ƒ–๎ƒฉ๎ƒš๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ
๎ƒข๎ƒ–๎ƒœ๎ƒฃ๎ƒš๎ƒฉ๎ƒง๎ƒค๎ƒฃ๎€ƒ๎ƒช๎ƒฃ๎ƒก๎ƒš๎ƒจ๎ƒจ๎€ƒ๎ƒž๎ƒฉ๎€ƒ๎ƒž๎ƒจ๎€ƒ๎ƒฅ๎ƒง๎ƒค๎ƒฅ๎ƒš๎ƒง๎ƒก๎ƒฎ๎€ƒ๎ƒž๎ƒฃ๎ƒจ๎ƒฉ๎ƒ–๎ƒก๎ƒก๎ƒš๎ƒ™๎€„
โ€ข Be sure that the magnetron gasket is
properly installed around the dome of the
tube whenever installing the magnetron.
Antenna
Cooling Fin
Magnetron
Chassis Ground
Filament
Terminals
Magnetron
Gasket
THE OVEN IS TO BE SERVICED
ONLY BY PROPERLY QUALIFIED
SERVICE PERSONNEL.
INSTALLATION
BEFORE YOU BEGIN, READ THE FOLLOWING INSTRUCTIONS
COMPLETELY AND CAREFULLY.
INSTALLING
โ€ข Empty the microwave oven and clean inside it
๎ƒฌ๎ƒž๎ƒฉ๎ƒ๎€ƒ๎ƒ–๎€ƒ๎ƒจ๎ƒค๎ƒ›๎ƒฉ๎€†๎€ƒ๎ƒ™๎ƒ–๎ƒข๎ƒฅ๎€ƒ๎ƒ˜๎ƒก๎ƒค๎ƒฉ๎ƒ๎€„๎€ƒ๎‚พ๎ƒ๎ƒš๎ƒ˜๎ƒ ๎€ƒ๎ƒ›๎ƒค๎ƒง๎€ƒ๎ƒ™๎ƒ–๎ƒข๎ƒ–๎ƒœ๎ƒš๎€ƒ๎ƒจ๎ƒช๎ƒ˜๎ƒ๎€ƒ
as misaligned door, damage around the door,
and๎€ƒ๎ƒ™๎ƒš๎ƒฃ๎ƒฉ๎ƒจ๎€ƒ๎ƒž๎ƒฃ๎ƒจ๎ƒž๎ƒ™๎ƒš๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ˜๎ƒ–๎ƒซ๎ƒž๎ƒฉ๎ƒฎ๎€ƒ๎ƒค๎ƒง๎€ƒ๎ƒค๎ƒฃ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒš๎ƒญ๎ƒฉ๎ƒš๎ƒง๎ƒž๎ƒค๎ƒง๎€„
โ€ข Put the oven on a counter, table, or shelf that
is strong enough to hold the oven as well as
๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ›๎ƒค๎ƒค๎ƒ™๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒช๎ƒฉ๎ƒš๎ƒฃ๎ƒจ๎ƒž๎ƒก๎ƒจ๎€ƒ๎ƒฎ๎ƒค๎ƒช๎€ƒ๎ƒฅ๎ƒช๎ƒฉ๎€ƒ๎ƒž๎ƒฃ๎€ƒ๎ƒž๎ƒฉ๎€„๎€ƒ๎‚•๎ƒ๎ƒ๎ƒš๎€ƒ๎ƒ˜๎ƒค๎ƒฃ๎ƒฉ๎ƒง๎ƒค๎ƒก๎€ƒ
๎ƒฅ๎ƒ–๎ƒฃ๎ƒš๎ƒก๎€ƒ๎ƒจ๎ƒž๎ƒ™๎ƒš๎€ƒ๎ƒค๎ƒ›๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒค๎ƒซ๎ƒš๎ƒฃ๎€ƒ๎ƒž๎ƒจ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ๎ƒš๎ƒ–๎ƒซ๎ƒฎ๎€ƒ๎ƒจ๎ƒž๎ƒ™๎ƒš๎€„๎€ƒ๎ƒ๎ƒจ๎ƒš๎€ƒ
๎ƒ˜๎ƒ–๎ƒง๎ƒš๎€ƒ๎ƒฌ๎ƒ๎ƒš๎ƒฃ๎€ƒ๎ƒ๎ƒ–๎ƒฃ๎ƒ™๎ƒก๎ƒž๎ƒฃ๎ƒœ๎€„๎‚–
โ€ข Do not block the vent and the air intake
๎ƒค๎ƒฅ๎ƒš๎ƒฃ๎ƒž๎ƒฃ๎ƒœ๎ƒจ๎€„๎€ƒ๎‚ฝ๎ƒก๎ƒค๎ƒ˜๎ƒ ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒซ๎ƒš๎ƒฃ๎ƒฉ๎€ƒ๎ƒค๎ƒง๎€ƒ๎ƒ–๎ƒž๎ƒง๎€ƒ๎ƒž๎ƒฃ๎ƒฉ๎ƒ–๎ƒ ๎ƒš๎€ƒ๎ƒค๎ƒฅ๎ƒš๎ƒฃ๎ƒž๎ƒฃ๎ƒœ๎ƒจ๎€ƒ
can cause damage to the oven and poor
๎ƒ˜๎ƒค๎ƒค๎ƒ ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒง๎ƒš๎ƒจ๎ƒช๎ƒก๎ƒฉ๎ƒจ๎€„๎€ƒ๎ƒˆ๎ƒ–๎ƒ ๎ƒš๎€ƒ๎ƒจ๎ƒช๎ƒง๎ƒš๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒข๎ƒž๎ƒ˜๎ƒง๎ƒค๎ƒฌ๎ƒ–๎ƒซ๎ƒš๎€ƒ๎ƒค๎ƒซ๎ƒš๎ƒฃ๎€ƒ
๎ƒก๎ƒš๎ƒœ๎ƒจ๎€ƒ๎ƒ–๎ƒง๎ƒš๎€ƒ๎ƒž๎ƒฃ๎€ƒ๎ƒฅ๎ƒก๎ƒ–๎ƒ˜๎ƒš๎€ƒ๎ƒฉ๎ƒค๎€ƒ๎ƒš๎ƒฃ๎ƒจ๎ƒช๎ƒง๎ƒš๎€ƒ๎ƒฅ๎ƒง๎ƒค๎ƒฅ๎ƒš๎ƒง๎€ƒ๎ƒ–๎ƒž๎ƒง๎€ƒ๎„ž๎ƒค๎ƒฌ๎€„
โ€ข The oven should not be installed in any area
where heat and steam are generated, because
they may damage the electronic or mechanical
๎ƒฅ๎ƒ–๎ƒง๎ƒฉ๎ƒจ๎€ƒ๎ƒค๎ƒ›๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒช๎ƒฃ๎ƒž๎ƒฉ๎€„
โ€ข Do not install the oven next to a conventional
๎ƒจ๎ƒช๎ƒง๎ƒ›๎ƒ–๎ƒ˜๎ƒš๎€ƒ๎ƒช๎ƒฃ๎ƒž๎ƒฉ๎€ƒ๎ƒค๎ƒง๎€ƒ๎ƒ–๎ƒ—๎ƒค๎ƒซ๎ƒš๎€ƒ๎ƒ–๎€ƒ๎ƒ˜๎ƒค๎ƒฃ๎ƒซ๎ƒš๎ƒฃ๎ƒฉ๎ƒž๎ƒค๎ƒฃ๎ƒ–๎ƒก๎€ƒ๎ƒฌ๎ƒ–๎ƒก๎ƒก๎€ƒ๎ƒค๎ƒซ๎ƒš๎ƒฃ๎€„
โ€ข Use microwave oven in an ambient temperature
๎ƒก๎ƒš๎ƒจ๎ƒจ๎€ƒ๎ƒฉ๎ƒ๎ƒ–๎ƒฃ๎€ƒ๎€ž๎€๎€ก๎‚†๎ƒ๎€ƒ๎‚•๎€ก๎€๎‚†๎‚พ๎‚–๎€„
โ€ข The minimum installation height is 34 in
๎‚•๎€ฅ๎€ฃ๎€ƒ๎ƒ˜๎ƒข๎‚–๎€„๎€ƒ๎ƒ๎ƒ๎ƒš๎€ƒ๎ƒ—๎ƒ–๎ƒ˜๎ƒ ๎€ƒ๎ƒค๎ƒ›๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ–๎ƒฅ๎ƒฅ๎ƒก๎ƒž๎ƒ–๎ƒฃ๎ƒ˜๎ƒš๎€ƒ๎ƒจ๎ƒ๎ƒค๎ƒช๎ƒก๎ƒ™๎€ƒ๎ƒ—๎ƒš๎€ƒ
placed against a wall, allowing for any necessary
๎ƒ˜๎ƒก๎ƒš๎ƒ–๎ƒง๎ƒ–๎ƒฃ๎ƒ˜๎ƒš๎€„๎€ƒ๎ƒ‡๎ƒš๎ƒ–๎ƒซ๎ƒš๎€ƒ๎ƒ–๎€ƒ๎ƒข๎ƒž๎ƒฃ๎ƒž๎ƒข๎ƒช๎ƒข๎€ƒ๎ƒ˜๎ƒก๎ƒš๎ƒ–๎ƒง๎ƒ–๎ƒฃ๎ƒ˜๎ƒš๎€ƒ๎ƒค๎ƒ›๎€ƒ๎€ž๎€Ÿ๎€ƒ๎ƒž๎ƒฃ๎€ƒ
๎‚•๎€ ๎€๎€ƒ๎ƒ˜๎ƒข๎‚–๎€ƒ๎ƒ–๎ƒ—๎ƒค๎ƒซ๎ƒš๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒข๎ƒž๎ƒ˜๎ƒง๎ƒค๎ƒฌ๎ƒ–๎ƒซ๎ƒš๎€ƒ๎ƒค๎ƒซ๎ƒš๎ƒฃ๎€„๎€ƒ๎‚ผ๎€ƒ๎ƒข๎ƒž๎ƒฃ๎ƒž๎ƒข๎ƒช๎ƒข๎€ƒ
clearance of 8 in (20 cm) is required between
๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒข๎ƒž๎ƒ˜๎ƒง๎ƒค๎ƒฌ๎ƒ–๎ƒซ๎ƒš๎€ƒ๎ƒค๎ƒซ๎ƒš๎ƒฃ๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒ–๎ƒฃ๎ƒฎ๎€ƒ๎ƒ–๎ƒ™๎ƒŸ๎ƒ–๎ƒ˜๎ƒš๎ƒฃ๎ƒฉ๎€ƒ๎ƒฌ๎ƒ–๎ƒก๎ƒก๎ƒจ๎€„
โ€ข Place the microwave oven as far away as
๎ƒฅ๎ƒค๎ƒจ๎ƒจ๎ƒž๎ƒ—๎ƒก๎ƒš๎€ƒ๎ƒ›๎ƒง๎ƒค๎ƒข๎€ƒ๎ƒ–๎€ƒ๎ƒ๎ƒ‘๎€†๎€ƒ๎ƒ๎‚ผ๎‚ฟ๎ƒ„๎ƒŠ๎€†๎€ƒ๎‚พ๎ƒŠ๎ƒˆ๎ƒ‹๎ƒ๎ƒ๎ƒ€๎ƒ๎€†๎€ƒ๎ƒš๎ƒฉ๎ƒ˜๎€„๎€†๎€ƒ๎ƒฉ๎ƒค๎€ƒ
๎ƒฅ๎ƒง๎ƒš๎ƒซ๎ƒš๎ƒฃ๎ƒฉ๎€ƒ๎ƒž๎ƒฃ๎ƒฉ๎ƒš๎ƒง๎ƒ›๎ƒš๎ƒง๎ƒš๎ƒฃ๎ƒ˜๎ƒš๎€„
GROUNDING
INSTRUCTIONS
This microwave oven is designed to be used in a
๎ƒ›๎ƒช๎ƒก๎ƒก๎ƒฎ๎€ƒ๎ƒœ๎ƒง๎ƒค๎ƒช๎ƒฃ๎ƒ™๎ƒš๎ƒ™๎€ƒ๎ƒ˜๎ƒค๎ƒฃ๎ƒ™๎ƒž๎ƒฉ๎ƒž๎ƒค๎ƒฃ๎€„
Therefore it is imperative to make sure it is
๎ƒฅ๎ƒง๎ƒค๎ƒฅ๎ƒš๎ƒง๎ƒก๎ƒฎ๎€ƒ๎ƒœ๎ƒง๎ƒค๎ƒช๎ƒฃ๎ƒ™๎ƒš๎ƒ™๎€ƒ๎ƒ—๎ƒš๎ƒ›๎ƒค๎ƒง๎ƒš๎€ƒ๎ƒจ๎ƒš๎ƒง๎ƒซ๎ƒž๎ƒ˜๎ƒž๎ƒฃ๎ƒœ๎€„
WARNINGโ€“THIS APPLIANCE
MUST BE PROPERLY CONNECTED
TO EARTH GROUND.
IMPORTANT
The wires in the mains lead are colored
in accordance with the following code:
Green: Ground
White: Neutral
Black: Live
As the colors of the wires in the mains lead of
this appliance may not correspond with the
colored markings identifying the terminals in
๎ƒฎ๎ƒค๎ƒช๎ƒง๎€ƒ๎ƒฅ๎ƒก๎ƒช๎ƒœ๎€†๎€ƒ๎ƒฅ๎ƒง๎ƒค๎ƒ˜๎ƒš๎ƒš๎ƒ™๎€ƒ๎ƒ–๎ƒจ๎€ƒ๎ƒ›๎ƒค๎ƒก๎ƒก๎ƒค๎ƒฌ๎ƒจ๎€„
The green wire must be connected to the terminal
in the plug marked with the letter E or by the
earth symbol ๎€„
The white wire must be connected to the terminal
in the plug marked with the letter N๎€„
The black wire must be connected to the terminal
in the plug marked with the letter L๎€„
1 2 3
4 5 6
7 8 9
0
POWER
LEVEL
TIME
DEFROST
WEIGHT
DEFROST
POPCORN
(WEIGHT)
KITCHEN
TIMER
Min 12 in (30 cm)
Min 8 in
(20 cm)
Min 34 in
(86 cm)
3
SERVICE INFORMATION
CIRCUIT DESCRIPTION
GENERAL DETAILS
โ€ข The low voltage transformer supplies the
necessary voltage to the micom controller
when the๎€ƒ๎ƒฅ๎ƒค๎ƒฌ๎ƒš๎ƒง๎€ƒ๎ƒ˜๎ƒค๎ƒง๎ƒ™๎€ƒ๎ƒž๎ƒจ๎€ƒ๎ƒฅ๎ƒก๎ƒช๎ƒœ๎ƒœ๎ƒš๎ƒ™๎€ƒ๎ƒž๎ƒฃ๎€„
โ€ข When the door is closed, the primary and
secondary switches are ON and the monitor
๎ƒจ๎ƒฌ๎ƒž๎ƒฉ๎ƒ˜๎ƒ๎€ƒ๎ƒค๎ƒฅ๎ƒš๎ƒฃ๎ƒจ๎€ƒ๎‚•๎ƒ˜๎ƒค๎ƒฃ๎ƒฉ๎ƒ–๎ƒ˜๎ƒฉ๎€ƒ๎‚พ๎ƒŠ๎ƒˆ๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒ‰๎ƒŠ๎‚–๎€„
WHEN SELECTING COOKING
POWER LEVEL AND TIME
โ€ข The micom controller memorizes the function
๎ƒฎ๎ƒค๎ƒช๎€ƒ๎ƒจ๎ƒš๎ƒฉ๎€„
โ€ข The time you set appears in the display
๎ƒฌ๎ƒž๎ƒฃ๎ƒ™๎ƒค๎ƒฌ๎€„
โ€ข Each indicator light turns on to indicate that
๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒจ๎ƒฉ๎ƒ–๎ƒœ๎ƒš๎€ƒ๎ƒ๎ƒ–๎ƒจ๎€ƒ๎ƒ—๎ƒš๎ƒš๎ƒฃ๎€ƒ๎ƒจ๎ƒš๎ƒฉ๎€„
WHEN TOUCHING THE
START PAD
โ€ข The coil of the relay is energized by the
๎ƒข๎ƒž๎ƒ˜๎ƒค๎ƒข๎€ƒ๎ƒ˜๎ƒค๎ƒฃ๎ƒฉ๎ƒง๎ƒค๎ƒก๎ƒก๎ƒš๎ƒง๎€„
โ€ข Power input is supplied to the high-voltage
transformer through the fuse to the primary
๎ƒจ๎ƒฌ๎ƒž๎ƒฉ๎ƒ˜๎ƒ๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒ๎ƒš๎ƒก๎ƒ–๎ƒฎ๎€ƒ๎€ž๎€„
๎‚๎€ƒ ๎ƒ๎ƒช๎ƒง๎ƒฃ๎ƒฉ๎ƒ–๎ƒ—๎ƒก๎ƒš๎€ƒ๎ƒง๎ƒค๎ƒฉ๎ƒ–๎ƒฉ๎ƒš๎ƒจ๎€„
L
FUSE
TRANSFORMER
RELAY 1
MICOM CONTROLLER
SECONDARY SWITCH
N
MONITOR SWITCH
PRIMARY SWITCH
โ€ข The fan motor rotates and cools the
magnetron by blowing air from the intake on
๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ—๎ƒ–๎ƒจ๎ƒš๎ƒฅ๎ƒก๎ƒ–๎ƒฉ๎ƒš๎€„
โ€ข Air is also directed into the oven to exhaust the
๎ƒซ๎ƒ–๎ƒฅ๎ƒค๎ƒง๎€ƒ๎ƒž๎ƒฃ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒค๎ƒซ๎ƒš๎ƒฃ๎€ƒ๎ƒฉ๎ƒ๎ƒง๎ƒค๎ƒช๎ƒœ๎ƒ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒช๎ƒฅ๎ƒฅ๎ƒš๎ƒง๎€ƒ๎ƒฅ๎ƒก๎ƒ–๎ƒฉ๎ƒš๎€„
๎‚๎€ƒ ๎‚พ๎ƒค๎ƒค๎ƒ ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒฉ๎ƒž๎ƒข๎ƒš๎€ƒ๎ƒจ๎ƒฉ๎ƒ–๎ƒง๎ƒฉ๎ƒจ๎€ƒ๎ƒ˜๎ƒค๎ƒช๎ƒฃ๎ƒฉ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒ™๎ƒค๎ƒฌ๎ƒฃ๎€„
๎‚๎€ƒ ๎€ ๎€„๎€Ÿ๎€ƒVAC๎€ƒ๎ƒž๎ƒจ๎€ƒ๎ƒœ๎ƒš๎ƒฃ๎ƒš๎ƒง๎ƒ–๎ƒฉ๎ƒš๎ƒ™๎€ƒ๎ƒ›๎ƒง๎ƒค๎ƒข๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎„๎ƒก๎ƒ–๎ƒข๎ƒš๎ƒฃ๎ƒฉ๎€ƒ
winding of the high-๎ƒซ๎ƒค๎ƒก๎ƒฉ๎ƒ–๎ƒœ๎ƒš๎€ƒ๎ƒฉ๎ƒง๎ƒ–๎ƒฃ๎ƒจ๎ƒ›๎ƒค๎ƒง๎ƒข๎ƒš๎ƒง๎€„๎€ƒ๎ƒ๎ƒ๎ƒž๎ƒจ๎€ƒ
๎€ ๎€„๎€Ÿ๎€ƒVAC is applied to the magnetron to heat
๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒข๎ƒ–๎ƒœ๎ƒฃ๎ƒš๎ƒฉ๎ƒง๎ƒค๎ƒฃ๎€ƒ๎„๎ƒก๎ƒ–๎ƒข๎ƒš๎ƒฃ๎ƒฉ๎€ƒ๎ƒฉ๎ƒ๎ƒง๎ƒค๎ƒช๎ƒœ๎ƒ๎€ƒ๎ƒฉ๎ƒฌ๎ƒค๎€ƒ๎ƒฃ๎ƒค๎ƒž๎ƒจ๎ƒš๎‚’๎€ƒ
๎ƒฅ๎ƒง๎ƒš๎ƒซ๎ƒš๎ƒฃ๎ƒฉ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒ˜๎ƒ๎ƒค๎ƒ ๎ƒš๎€ƒ๎ƒ˜๎ƒค๎ƒž๎ƒก๎ƒจ๎€„
โ€ข A high voltage of approximately 2100 VAC is
generated in the secondary of the high-voltage
transformer which is increased by the action
of the high-voltage diode and charging of the
high-๎ƒซ๎ƒค๎ƒก๎ƒฉ๎ƒ–๎ƒœ๎ƒš๎€ƒ๎ƒ˜๎ƒ–๎ƒฅ๎ƒ–๎ƒ˜๎ƒž๎ƒฉ๎ƒค๎ƒง๎€„
โ€ข The negative 4,000 VDC is applied to the
๎„๎ƒก๎ƒ–๎ƒข๎ƒš๎ƒฃ๎ƒฉ๎€ƒ๎ƒค๎ƒ›๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒข๎ƒ–๎ƒœ๎ƒฃ๎ƒš๎ƒฉ๎ƒง๎ƒค๎ƒฃ๎€„
WHEN THE OVEN IS SET AT ANY
LEVEL EXCEPT MAXIMUM
โ€ข The micom controller controls the ON-OFF
time of Relay 1 by the applied signal to vary
the average output power of the microwave
๎ƒค๎ƒซ๎ƒš๎ƒฃ๎€ƒ๎ƒ–๎ƒจ๎€ƒ๎ƒ‹๎ƒŠ๎ƒ’๎ƒ€๎ƒ๎€ƒ๎ƒ‡๎ƒ€๎ƒ‘๎ƒ€๎ƒ‡๎€„
WHEN THE DOOR IS OPENED
DURING COOKING
โ€ข Both the primary switch and Relay 1 are cut
๎ƒค๎„œ๎€ƒ๎ƒ›๎ƒง๎ƒค๎ƒข๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒฅ๎ƒง๎ƒž๎ƒข๎ƒ–๎ƒง๎ƒฎ๎€ƒ๎ƒฌ๎ƒž๎ƒฃ๎ƒ™๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒซ๎ƒค๎ƒก๎ƒฉ๎ƒ–๎ƒœ๎ƒš๎€ƒ๎ƒค๎ƒ›๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ
high-๎ƒซ๎ƒค๎ƒก๎ƒฉ๎ƒ–๎ƒœ๎ƒš๎€ƒ๎ƒฉ๎ƒง๎ƒ–๎ƒฃ๎ƒจ๎ƒ›๎ƒค๎ƒง๎ƒข๎ƒš๎ƒง๎€„
โ€ข ON-OFF of Relay 1 is coupled electrically with
๎ƒค๎ƒฅ๎ƒš๎ƒฃ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒ˜๎ƒก๎ƒค๎ƒจ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒค๎ƒ›๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒจ๎ƒš๎ƒ˜๎ƒค๎ƒฃ๎ƒ™๎ƒ–๎ƒง๎ƒฎ๎€ƒ๎ƒจ๎ƒฌ๎ƒž๎ƒฉ๎ƒ˜๎ƒ๎€„
โ€ข When the door is opened, the secondary
switch is opened๎€„๎€ƒ๎ƒ’hen the door is closed, the
๎ƒจ๎ƒš๎ƒ˜๎ƒค๎ƒฃ๎ƒ™๎ƒ–๎ƒง๎ƒฎ๎€ƒ๎ƒจ๎ƒฌ๎ƒž๎ƒฉ๎ƒ˜๎ƒ๎€ƒ๎ƒž๎ƒจ๎€ƒ๎ƒ˜๎ƒก๎ƒค๎ƒจ๎ƒš๎ƒ™๎€„
๎‚๎€ƒ ๎ƒ๎ƒ๎ƒš๎€ƒ๎ƒ˜๎ƒค๎ƒค๎ƒ ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒฉ๎ƒž๎ƒข๎ƒš๎€ƒ๎ƒจ๎ƒฉ๎ƒค๎ƒฅ๎ƒจ๎€ƒ๎ƒ˜๎ƒค๎ƒช๎ƒฃ๎ƒฉ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒ™๎ƒค๎ƒฌ๎ƒฃ๎€„
๎‚๎€ƒ ๎ƒ๎ƒš๎ƒก๎ƒ–๎ƒฎ๎€ƒ๎ƒจ๎ƒฉ๎ƒค๎ƒฅ๎ƒจ๎€ƒ๎ƒ›๎ƒช๎ƒฃ๎ƒ˜๎ƒฉ๎ƒž๎ƒค๎ƒฃ๎ƒž๎ƒฃ๎ƒœ๎€„
โ€ข As the door is opened, if the contact of
primary switch and Relay 1 and/or secondary
switch fails to open, the fuse opens due
to the large current surge caused by the
monitor switch activation, which in turn stops
๎ƒข๎ƒ–๎ƒœ๎ƒฃ๎ƒš๎ƒฉ๎ƒง๎ƒค๎ƒฃ๎€ƒ๎ƒค๎ƒจ๎ƒ˜๎ƒž๎ƒก๎ƒก๎ƒ–๎ƒฉ๎ƒž๎ƒค๎ƒฃ๎€„
L
N
FUSE
TRANSFORMER
RELAY 1
MICOM CONTROLLER
SECONDARY SWITCH
MONITOR SWITCH
PRIMARY SWITCH
TOOLS AND MEASURING INSTRUMENTS
NECESSARY TOOLS
Tools normally used for TV servicing are
๎ƒจ๎ƒช๎„Ÿ๎ƒ˜๎ƒž๎ƒš๎ƒฃ๎ƒฉ๎€„๎€ƒ๎ƒŽ๎ƒฉ๎ƒ–๎ƒฃ๎ƒ™๎ƒ–๎ƒง๎ƒ™๎€ƒ๎ƒฉ๎ƒค๎ƒค๎ƒก๎ƒจ๎€ƒ๎ƒ–๎ƒง๎ƒš๎€ƒ๎ƒก๎ƒž๎ƒจ๎ƒฉ๎ƒš๎ƒ™๎€ƒ๎ƒ—๎ƒš๎ƒก๎ƒค๎ƒฌ๎€„
โ€ข Diagonal pliers
โ€ข Long nose pliers
โ€ข Phillips screwdriver
โ€ข Flat blade screwdriver
โ€ข Wrench (size 5 mm)
โ€ข Nutdriver (size 5 mm)
โ€ข Adjustable wrench
โ€ข Soldering iron
โ€ข Solder
โ€ข Vinyl insulation tape
โ€ข Polishing cloth
NECESSARY MEASURING
INSTRUMENTS
โ€ข TESTER (VDC, VAC, ohmmeter)
โ€ข Microwave survey meter
- Holaday HI-1500
HI -1501
- Narda 8100
8200
โ€ข Inch scale
โ€ข 600 cc beaker made of non-conductive
material (glass or plastic) with inside diameter
๎ƒ–๎ƒฅ๎ƒฅ๎ƒง๎ƒค๎ƒญ๎ƒž๎ƒข๎ƒ–๎ƒฉ๎ƒš๎ƒก๎ƒฎ๎€ƒ๎€ฅ๎€„๎€ข๎€ƒ๎ƒ˜๎ƒข๎€ƒ๎‚•๎€ ๎€„๎€ข๎€ƒ๎ƒž๎ƒฃ๎‚–
โ€ข Cylindrical vessel made of borosilicate glass,
๎ƒฌ๎ƒž๎ƒฉ๎ƒ๎ƒž๎ƒฃ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ›๎ƒค๎ƒก๎ƒก๎ƒค๎ƒฌ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒจ๎ƒฅ๎ƒš๎ƒ˜๎ƒž๎„๎ƒ˜๎ƒ–๎ƒฉ๎ƒž๎ƒค๎ƒฃ๎ƒจ๎€…
๎‚’๎€ƒ๎ƒข๎ƒ–๎ƒญ๎€„๎€ƒ๎ƒฉ๎ƒ๎ƒž๎ƒ˜๎ƒ ๎ƒฃ๎ƒš๎ƒจ๎ƒจ๎€…๎€ƒ๎€ ๎€ƒ๎ƒข๎ƒข
- outside diameter: approximately 190 mm
- height: approximately 90 mm
โ€ข Glass thermometer: 100ยฐC or 212ยฐF
(1 degree scale)
MICROWAVE LEAKAGE TEST
CAUTION
โ€ข Be sure to check microwave leakage before
servicing the oven if the oven is operative
prior to servicing.
โ€ข Service personnel should inform the
manufacturer, importer, or assembler of
any certi๎„ed oven unit found to have a
microwave emission level in excess of 5
mW/cm2 and should repair any unit found to
have an excessive emission level at no cost
๎ƒฉ๎ƒค๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒค๎ƒฌ๎ƒฃ๎ƒš๎ƒง๎€„๎€ƒ๎ƒŽ๎ƒš๎ƒง๎ƒซ๎ƒž๎ƒ˜๎ƒš๎€ƒ๎ƒฅ๎ƒš๎ƒง๎ƒจ๎ƒค๎ƒฃ๎ƒฃ๎ƒš๎ƒก๎€ƒ๎ƒจ๎ƒ๎ƒค๎ƒช๎ƒก๎ƒ™๎€ƒ๎ƒ–๎ƒก๎ƒจ๎ƒค๎€ƒ
ascertain the cause of the excessive leakage
and instruct the owner not to use the oven until
it is working properly and its emission level is
๎ƒ˜๎ƒค๎ƒข๎ƒฅ๎ƒก๎ƒž๎ƒ–๎ƒฃ๎ƒฉ๎€ƒ๎ƒฌ๎ƒž๎ƒฉ๎ƒ๎€ƒ๎ƒฉ๎ƒ๎ƒž๎ƒจ๎€ƒ๎ƒจ๎ƒฉ๎ƒ–๎ƒฃ๎ƒ™๎ƒ–๎ƒง๎ƒ™๎€„
โ€ข If the oven operates with the door open, the
service personnel should:
๎‚’๎€ƒ๎ƒ๎ƒš๎ƒก๎ƒก๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒช๎ƒจ๎ƒš๎ƒง๎€ƒ๎ƒฃ๎ƒค๎ƒฉ๎€ƒ๎ƒฉ๎ƒค๎€ƒ๎ƒค๎ƒฅ๎ƒš๎ƒง๎ƒ–๎ƒฉ๎ƒš๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒค๎ƒซ๎ƒš๎ƒฃ๎€„
๎‚’๎€ƒ๎‚พ๎ƒค๎ƒฃ๎ƒฉ๎ƒ–๎ƒ˜๎ƒฉ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒข๎ƒ–๎ƒฃ๎ƒช๎ƒ›๎ƒ–๎ƒ˜๎ƒฉ๎ƒช๎ƒง๎ƒš๎ƒง๎€„
โ€ข The service personnel should check all surface
๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒซ๎ƒš๎ƒฃ๎ƒฉ๎€ƒ๎ƒค๎ƒฅ๎ƒš๎ƒฃ๎ƒž๎ƒฃ๎ƒœ๎ƒจ๎€ƒ๎ƒ›๎ƒค๎ƒง๎€ƒ๎ƒข๎ƒž๎ƒ˜๎ƒง๎ƒค๎ƒฌ๎ƒ–๎ƒซ๎ƒš๎€ƒ๎ƒก๎ƒš๎ƒ–๎ƒ ๎ƒ–๎ƒœ๎ƒš๎€„
โ€ข Check for microwave leakage after servic๎ƒš๎€„๎€ƒ
The power density of the microwave radiation
leakage emitted by the microwave oven should
not exceed 4 mW/cm2๎€„๎€ƒ๎‚ผ๎ƒก๎ƒฌ๎ƒ–๎ƒฎ๎ƒจ๎€ƒ๎ƒข๎ƒš๎ƒ–๎ƒจ๎ƒช๎ƒง๎ƒš๎€ƒ๎ƒ–๎ƒฃ๎€ƒ
๎ƒช๎ƒฃ๎ƒ ๎ƒฃ๎ƒค๎ƒฌ๎ƒฃ๎€ƒ๎„๎ƒš๎ƒก๎ƒ™๎€ƒ๎ƒฉ๎ƒค๎€ƒ๎ƒš๎ƒฃ๎ƒจ๎ƒช๎ƒง๎ƒš๎€ƒthe safety of operating
๎ƒฅ๎ƒš๎ƒง๎ƒจ๎ƒค๎ƒฃ๎ƒฃ๎ƒš๎ƒก๎€ƒ๎ƒ›๎ƒง๎ƒค๎ƒข๎€ƒ๎ƒง๎ƒ–๎ƒ™๎ƒž๎ƒ–๎ƒฉ๎ƒž๎ƒค๎ƒฃ๎€ƒ๎ƒก๎ƒš๎ƒ–๎ƒ ๎ƒ–๎ƒœ๎ƒš๎€„
MEASURING MICROWAVE
ENERGY LEAKAGE
โ€ข Pour 275 ยฑ 15 cc of 20 ยฑ 5ยฐC (68 ยฑ 9ยฐF) water
in a beaker graduated to 600 cc and place
the beaker on the center of the turntable.
โ€ข Set the energy leakage monitor to 2450
MHz and test energy leakage, following
the test procedures recommended by the
manufacturer.
โ€ข When measuring the leakage, always use the
2 in (5 cm) spacer supplied with the probe.
โ€ข Operate the oven at its maximum output.
โ€ข Measure the microwave radiation using
an electromagnetic radiation monitor by
holding the probe perpendicular to the
surface being measured
Move probe along shaded area
Probe scanning speed
less than 2.5 cm/second
(1 in/second)
4
MEASUREMENT WITH OUTER
CASE REMOVED
โ€ข When you replace the magnetron, measure
for microwave energy leakage before the
outer case is installed and after all necessary
๎ƒ˜๎ƒค๎ƒข๎ƒฅ๎ƒค๎ƒฃ๎ƒš๎ƒฃ๎ƒฉ๎ƒจ๎€ƒ๎ƒ–๎ƒง๎ƒš๎€ƒ๎ƒง๎ƒš๎ƒฅ๎ƒก๎ƒ–๎ƒ˜๎ƒš๎ƒ™๎€ƒ๎ƒค๎ƒง๎€ƒ๎ƒ–๎ƒ™๎ƒŸ๎ƒช๎ƒจ๎ƒฉ๎ƒš๎ƒ™๎€„
Special care should be taken in measuring the
following parts ๎‚•๎ƒ˜๎ƒž๎ƒง๎ƒ˜๎ƒก๎ƒš๎ƒ™๎€ƒ๎ƒ–๎ƒง๎ƒš๎ƒ–๎€ƒ๎ƒค๎ƒ›๎€ƒ๎„๎ƒœ๎ƒช๎ƒง๎ƒš๎€ƒ๎ƒ—๎ƒš๎ƒก๎ƒค๎ƒฌ๎‚–:
- Around the magnetron
- The waveguide
WARNING: AVOID
CONTACTING ANY HIGH
VOLTAGE PARTS
MEASUREMENT WITH A FULLY
ASSEMBLED OVEN
โ€ข After all components, including the outer
case, are fully assembled, measure for
microwave energy leakage around the door
viewing window, the exhaust opening, and
๎ƒ–๎ƒž๎ƒง๎€ƒ๎ƒž๎ƒฃ๎ƒก๎ƒš๎ƒฉ๎€ƒ๎ƒค๎ƒฅ๎ƒš๎ƒฃ๎ƒž๎ƒฃ๎ƒœ๎ƒจ๎€„
โ€ข Microwave energy leakage must not exceed
๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒซ๎ƒ–๎ƒก๎ƒช๎ƒš๎ƒจ๎€ƒ๎ƒฅ๎ƒง๎ƒš๎ƒจ๎ƒ˜๎ƒง๎ƒž๎ƒ—๎ƒš๎ƒ™๎€ƒ๎ƒ—๎ƒš๎ƒก๎ƒค๎ƒฌ๎€„
NOTE: Leakage with the outer case removed - less
than 5 mW/cm2๎€„๎€ƒ๎ƒ‡๎ƒš๎ƒ–๎ƒ ๎ƒ–๎ƒœ๎ƒš๎€ƒ๎ƒ›๎ƒค๎ƒง๎€ƒ๎ƒ–๎€ƒ๎ƒ›๎ƒช๎ƒก๎ƒก๎ƒฎ๎€ƒ๎ƒ–๎ƒจ๎ƒจ๎ƒš๎ƒข๎ƒ—๎ƒก๎ƒš๎ƒ™๎€ƒ
oven (before the latch switch (primary) is
interrupted) with the door in a slightly opened
position - less than 2 mW/cm2๎€„
NOTES WHEN MEASURING
โ€ข Do not exceed the meterโ€™s full-๎ƒจ๎ƒ˜๎ƒ–๎ƒก๎ƒš๎€ƒ๎ƒ™๎ƒš๎„ž๎ƒš๎ƒ˜๎ƒฉ๎ƒž๎ƒค๎ƒฃ๎€„
โ€ข The test probe must be moved no faster than
1 in/second๎€ƒ๎‚•๎€Ÿ๎€„๎€ข๎€ƒ๎ƒ˜๎ƒข๎‚—second) along the shaded
๎ƒ–๎ƒง๎ƒš๎ƒ–๎€†๎€ƒ๎ƒค๎ƒฉ๎ƒ๎ƒš๎ƒง๎ƒฌ๎ƒž๎ƒจ๎ƒš๎€ƒ๎ƒ–๎€ƒ๎ƒ›๎ƒ–๎ƒก๎ƒจ๎ƒš๎€ƒ๎ƒง๎ƒš๎ƒ–๎ƒ™๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒข๎ƒ–๎ƒฎ๎€ƒ๎ƒง๎ƒš๎ƒจ๎ƒช๎ƒก๎ƒฉ๎€„
โ€ข The test probe must be held with the grip
๎ƒฅ๎ƒค๎ƒง๎ƒฉ๎ƒž๎ƒค๎ƒฃ๎€ƒ๎ƒค๎ƒ›๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ๎ƒ–๎ƒฃ๎ƒ™๎ƒก๎ƒš๎€„
A false reading may result if the operatorโ€™s
๎ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒž๎ƒจ๎€ƒ๎ƒ—๎ƒš๎ƒฉ๎ƒฌ๎ƒš๎ƒš๎ƒฃ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ๎ƒ–๎ƒฃ๎ƒ™๎ƒก๎ƒš๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒฅ๎ƒง๎ƒค๎ƒ—๎ƒš๎€„
โ€ข When testing near a corner of the door, keep
the probe perpendicular to the surface to avoid
๎ƒ™๎ƒ–๎ƒข๎ƒ–๎ƒœ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒฅ๎ƒง๎ƒค๎ƒ—๎ƒš๎€„
RECORD KEEPING AND
NOTIFICATION AFTER
MEASUREMENT
โ€ข After adjustment and repair of any microwave
energy interruption or microwave energy
blocking device, record the measured values
for future reference and enter the information
๎ƒค๎ƒฃ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒจ๎ƒš๎ƒง๎ƒซ๎ƒž๎ƒ˜๎ƒš๎€ƒ๎ƒž๎ƒฃ๎ƒซ๎ƒค๎ƒž๎ƒ˜๎ƒš๎€„
โ€ข The microwave energy leakage should not be
more than 4 mW/cm2 after determining that
all parts are in good condition and functioning
properly, and that proper replacements parts
๎ƒ๎ƒ–๎ƒซ๎ƒš๎€ƒ๎ƒ—๎ƒš๎ƒš๎ƒฃ๎€ƒ๎ƒช๎ƒจ๎ƒš๎ƒ™๎€„
โ€ข Have the electromagnetic energy leakage
monitor checked for calibration by its
manufacturer ๎ƒ–๎ƒฉ๎€ƒ๎ƒก๎ƒš๎ƒ–๎ƒจ๎ƒฉ๎€ƒ๎ƒค๎ƒฃ๎ƒ˜๎ƒš๎€ƒ๎ƒ–๎€ƒ๎ƒฎ๎ƒš๎ƒ–๎ƒง๎€„
DISASSEMBLY AND ADJUSTMENT
1. OUTER CASE REMOVAL
โ€ข Disconnect the power supply cord from
๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒค๎ƒช๎ƒฉ๎ƒก๎ƒš๎ƒฉ๎€„
โ€ข Remove the screws from the rear and along
๎ƒจ๎ƒž๎ƒ™๎ƒš๎€ƒ๎ƒš๎ƒ™๎ƒœ๎ƒš๎ƒจ๎€ƒ๎ƒค๎ƒ›๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ˜๎ƒ–๎ƒจ๎ƒš๎€„
โ€ข The outer case must be moved backward to be
๎ƒก๎ƒž๎ƒ›๎ƒฉ๎ƒš๎ƒ™๎€ƒ๎ƒค๎„œ๎€„
2. POWER SUPPLY CORD
โ€ข๎€ƒ ๎ƒ๎ƒš๎ƒข๎ƒค๎ƒซ๎ƒš๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒค๎ƒช๎ƒฉ๎ƒš๎ƒง๎€ƒ๎ƒ˜๎ƒ–๎ƒจ๎ƒš๎€„
โ€ข Disconnect two terminals, and remove one
๎ƒจ๎ƒ˜๎ƒง๎ƒš๎ƒฌ๎€ƒ๎ƒค๎ƒ›๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒš๎ƒ–๎ƒง๎ƒฉ๎ƒ๎€ƒ๎ƒฉ๎ƒš๎ƒง๎ƒข๎ƒž๎ƒฃ๎ƒ–๎ƒก๎€„
โ€ข๎€ƒ ๎ƒ๎ƒš๎ƒข๎ƒค๎ƒซ๎ƒš๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒจ๎ƒž๎ƒœ๎ƒฃ๎ƒ–๎ƒก๎€ƒ๎ƒฉ๎ƒš๎ƒง๎ƒข๎ƒž๎ƒฃ๎ƒ–๎ƒก๎€„
CAUTION: DISCHARGE THE HIGH-VOLTAGE
CAPACITOR BEFORE SERVICING (refer to
Page 2).
3. CONTROL PANEL ASSEMBLY
โ€ข Disconnect the leadwire from the PCB
๎ƒŽ๎ƒ๎‚ฝ๎€ƒ๎‚ผ๎ƒŽ๎ƒŽ๎ƒ€๎ƒˆ๎‚ฝ๎ƒ‡๎ƒ”๎€„
โ€ข Remove the screws for the earth terminal and
๎ƒจ๎ƒš๎ƒ˜๎ƒช๎ƒง๎ƒš๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ˜๎ƒค๎ƒฃ๎ƒฉ๎ƒง๎ƒค๎ƒก๎€ƒ๎ƒฅ๎ƒ–๎ƒฃ๎ƒš๎ƒก๎€„
โ€ข Lift control panel assembly from
the oven by the unhooked tab๎€„
4. DOOR ASSEMBLY REMOVAL
โ€ข๎€ƒ ๎ƒŠ๎ƒฅ๎ƒš๎ƒฃ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ™๎ƒค๎ƒค๎ƒง๎€„
โ€ข Remove the two screws holding the hinge to
๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ˜๎ƒ–๎ƒซ๎ƒž๎ƒฉ๎ƒฎ๎€ƒ๎ƒ–๎ƒจ๎ƒจ๎ƒš๎ƒข๎ƒ—๎ƒก๎ƒฎ๎€„
CAUTION: Be careful not to damage the door
with the screwdriver.
โ€ข๎€ƒ ๎ƒ‡๎ƒž๎ƒ›๎ƒฉ๎€ƒ๎ƒช๎ƒฅ๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒฅ๎ƒช๎ƒก๎ƒก๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ™๎ƒค๎ƒค๎ƒง๎€„
NOTE:
โ€ข After replacing the door, be sure to check
that the primary switch, monitor switch, and
๎ƒจ๎ƒš๎ƒ˜๎ƒค๎ƒฃ๎ƒ™๎ƒ–๎ƒง๎ƒฎ๎€ƒ๎ƒจ๎ƒฌ๎ƒž๎ƒฉ๎ƒ˜๎ƒ๎€ƒ๎ƒค๎ƒฅ๎ƒš๎ƒง๎ƒ–๎ƒฉ๎ƒš๎€ƒ๎ƒฃ๎ƒค๎ƒง๎ƒข๎ƒ–๎ƒก๎ƒก๎ƒฎ๎€„
โ€ข After replacing the door, check for microwave
๎ƒš๎ƒฃ๎ƒš๎ƒง๎ƒœ๎ƒฎ๎€ƒ๎ƒก๎ƒš๎ƒ–๎ƒ ๎ƒ–๎ƒœ๎ƒš๎€ƒ๎ƒฌ๎ƒž๎ƒฉ๎ƒ๎€ƒ๎ƒ–๎€ƒ๎ƒจ๎ƒช๎ƒง๎ƒซ๎ƒš๎ƒฎ๎€ƒ๎ƒข๎ƒš๎ƒฉ๎ƒš๎ƒง๎€„๎€ƒ๎ƒˆ๎ƒž๎ƒ˜๎ƒง๎ƒค๎ƒฌ๎ƒ–๎ƒซ๎ƒš๎€ƒ
energy must be below the limit of 5 mW/cm2
๎‚•๎ƒฌ๎ƒž๎ƒฉ๎ƒ๎€ƒ๎ƒ–๎€ƒ๎€Ÿ๎€ค๎€ข๎€ƒ๎ƒข๎ƒก๎€ƒ๎ƒฌ๎ƒ–๎ƒฉ๎ƒš๎ƒง๎€ƒ๎ƒก๎ƒค๎ƒ–๎ƒ™๎‚–๎€„
โ€ข When mounting the door assembly to the oven
assembly, be sure to adjust the door assembly
parallel to the chassis and in such a way that
the door has no play between the inner door
๎ƒจ๎ƒช๎ƒง๎ƒ›๎ƒ–๎ƒ˜๎ƒš๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒค๎ƒซ๎ƒš๎ƒฃ๎€ƒ๎ƒ›๎ƒง๎ƒ–๎ƒข๎ƒš๎€ƒ๎ƒ–๎ƒจ๎ƒจ๎ƒš๎ƒข๎ƒ—๎ƒก๎ƒฎ๎€„๎€ƒ๎ƒ„๎ƒ›๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ™๎ƒค๎ƒค๎ƒง๎€ƒ
assembly is not mounted properly, microwaves
may leak from the clearance between the door
๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒค๎ƒซ๎ƒš๎ƒฃ๎€„
Remove door assembly:
5
5. HIGH-VOLTAGE
TRANSFORMER REMOVAL
โ€ข Discharge the high-๎ƒซ๎ƒค๎ƒก๎ƒฉ๎ƒ–๎ƒœ๎ƒš๎€ƒ๎ƒ˜๎ƒ–๎ƒฅ๎ƒ–๎ƒ˜๎ƒž๎ƒฉ๎ƒค๎ƒง๎€„
โ€ข Disconnect the leadwire from magnetron,
high-๎ƒซ๎ƒค๎ƒก๎ƒฉ๎ƒ–๎ƒœ๎ƒš๎€ƒ๎ƒฉ๎ƒง๎ƒ–๎ƒฃ๎ƒจ๎ƒ›๎ƒค๎ƒง๎ƒข๎ƒš๎ƒง๎€†๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒ˜๎ƒ–๎ƒฅ๎ƒ–๎ƒ˜๎ƒž๎ƒฉ๎ƒค๎ƒง๎€„
โ€ข Remove the screw holding the high-voltage
๎ƒฉ๎ƒง๎ƒ–๎ƒฃ๎ƒจ๎ƒ›๎ƒค๎ƒง๎ƒข๎ƒš๎ƒง๎€ƒ๎ƒฉ๎ƒค๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ—๎ƒ–๎ƒจ๎ƒš๎ƒฅ๎ƒก๎ƒ–๎ƒฉ๎ƒš๎€„
โ€ข Remove the high-๎ƒซ๎ƒค๎ƒก๎ƒฉ๎ƒ–๎ƒœ๎ƒš๎€ƒ๎ƒ›๎ƒช๎ƒจ๎ƒš๎€„
6. ORIFICE ASSEMBLY REMOVAL
โ€ข Discharge the high-๎ƒซ๎ƒค๎ƒก๎ƒฉ๎ƒ–๎ƒœ๎ƒš๎€ƒ๎ƒ˜๎ƒ–๎ƒฅ๎ƒ–๎ƒ˜๎ƒž๎ƒฉ๎ƒค๎ƒง๎€„
โ€ข Disconnect the leadwire from fan motor, noise
๎„๎ƒก๎ƒฉ๎ƒš๎ƒง๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒ๎ƒž๎ƒœ๎ƒ-๎ƒซ๎ƒค๎ƒก๎ƒฉ๎ƒ–๎ƒœ๎ƒš๎€ƒ๎ƒ˜๎ƒ–๎ƒฅ๎ƒ–๎ƒ˜๎ƒž๎ƒฉ๎ƒค๎ƒง๎€„
โ€ข๎€ƒ ๎ƒ๎ƒš๎ƒข๎ƒค๎ƒซ๎ƒš๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒฉ๎ƒฌ๎ƒค๎€ƒ๎ƒจ๎ƒ˜๎ƒง๎ƒš๎ƒฌ๎ƒจ๎€ƒ๎ƒ๎ƒค๎ƒก๎ƒ™๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒค๎ƒง๎ƒž๎„๎ƒ˜๎ƒš๎€ƒ
assembly to the oven cavity and remove the
high-๎ƒซ๎ƒค๎ƒก๎ƒฉ๎ƒ–๎ƒœ๎ƒš๎€ƒ๎ƒ™๎ƒž๎ƒค๎ƒ™๎ƒš๎€ƒ๎ƒš๎ƒ–๎ƒง๎ƒฉ๎ƒ๎€ƒ๎ƒจ๎ƒ˜๎ƒง๎ƒš๎ƒฌ๎€„
โ€ข๎€ƒ ๎ƒ๎ƒš๎ƒข๎ƒค๎ƒซ๎ƒš๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒจ๎ƒ˜๎ƒง๎ƒš๎ƒฌ๎€ƒ๎ƒค๎ƒ›๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ˜๎ƒ–๎ƒฅ๎ƒ–๎ƒ˜๎ƒž๎ƒฉ๎ƒค๎ƒง๎€ƒ๎ƒ—๎ƒง๎ƒ–๎ƒ˜๎ƒ ๎ƒš๎ƒฉ๎€„
โ€ข Remove the two screws holding the fan motor
๎ƒ–๎ƒจ๎ƒจ๎ƒš๎ƒข๎ƒ—๎ƒก๎ƒฎ๎€ƒ๎ƒฉ๎ƒค๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒค๎ƒง๎ƒž๎„๎ƒ˜๎ƒš๎€ƒ๎ƒ–๎ƒจ๎ƒจ๎ƒš๎ƒข๎ƒ—๎ƒก๎ƒฎ๎€„
7. HIGH-VOLTAGE CAPACITOR
AND DIODE REMOVAL
โ€ข Discharge the high-๎ƒซ๎ƒค๎ƒก๎ƒฉ๎ƒ–๎ƒœ๎ƒš๎€ƒ๎ƒ˜๎ƒ–๎ƒฅ๎ƒ–๎ƒ˜๎ƒž๎ƒฉ๎ƒค๎ƒง๎€„
โ€ข Disconnect the leadwire from fan motor, noise
๎„๎ƒก๎ƒฉ๎ƒš๎ƒง๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒ๎ƒž๎ƒœ๎ƒ-๎ƒซ๎ƒค๎ƒก๎ƒฉ๎ƒ–๎ƒœ๎ƒš๎€ƒ๎ƒ˜๎ƒ–๎ƒฅ๎ƒ–๎ƒ˜๎ƒž๎ƒฉ๎ƒค๎ƒง๎€„
โ€ข๎€ƒ ๎ƒ๎ƒš๎ƒข๎ƒค๎ƒซ๎ƒš๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒจ๎ƒ˜๎ƒง๎ƒš๎ƒฌ๎€ƒ๎ƒ๎ƒค๎ƒก๎ƒ™๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒค๎ƒง๎ƒž๎„๎ƒ˜๎ƒš๎€ƒ๎ƒ–๎ƒจ๎ƒจ๎ƒš๎ƒข๎ƒ—๎ƒก๎ƒฎ๎€ƒ
to the oven cavity and remove the high-
๎ƒซ๎ƒค๎ƒก๎ƒฉ๎ƒ–๎ƒœ๎ƒš๎€ƒ๎ƒ™๎ƒž๎ƒค๎ƒ™๎ƒš๎€ƒ๎ƒš๎ƒ–๎ƒง๎ƒฉ๎ƒ๎€ƒ๎ƒจ๎ƒ˜๎ƒง๎ƒš๎ƒฌ๎€„
โ€ข Remove the screw holding the high-voltage
๎ƒ˜๎ƒ–๎ƒฅ๎ƒ–๎ƒ˜๎ƒž๎ƒฉ๎ƒค๎ƒง๎€ƒ๎ƒ—๎ƒง๎ƒ–๎ƒ˜๎ƒ ๎ƒš๎ƒฉ๎€„
8. MAGNETRON REMOVAL
โ€ข Disconnect the leadwire from the high-voltage
transformer and high-๎ƒซ๎ƒค๎ƒก๎ƒฉ๎ƒ–๎ƒœ๎ƒš๎€ƒ๎ƒ˜๎ƒ–๎ƒฅ๎ƒ–๎ƒ˜๎ƒž๎ƒฉ๎ƒค๎ƒง๎€„
โ€ข๎€ƒ ๎ƒ๎ƒš๎ƒข๎ƒค๎ƒซ๎ƒš๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ–๎ƒž๎ƒง๎€ƒ๎ƒœ๎ƒช๎ƒž๎ƒ™๎ƒš๎€„
โ€ข Carefully remove the mounting screws holding
๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒข๎ƒ–๎ƒœ๎ƒฃ๎ƒš๎ƒฉ๎ƒง๎ƒค๎ƒฃ๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒฌ๎ƒ–๎ƒซ๎ƒš๎ƒœ๎ƒช๎ƒž๎ƒ™๎ƒš๎€„
โ€ข Remove the magnetron until the tube is clear
๎ƒ›๎ƒง๎ƒค๎ƒข๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒฌ๎ƒ–๎ƒซ๎ƒš๎ƒœ๎ƒช๎ƒž๎ƒ™๎ƒš๎€„
NOTE:
โ€ข When removing the magnetron, make sure its
dome does not hit any adjacent parts to avoid
๎ƒ™๎ƒ–๎ƒข๎ƒ–๎ƒœ๎ƒš๎€„
โ€ข When replacing the magnetron, be sure to
install the magnetron gasket in the correct
position ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒž๎ƒฃ๎€ƒ๎ƒœ๎ƒค๎ƒค๎ƒ™๎€ƒ๎ƒ˜๎ƒค๎ƒฃ๎ƒ™๎ƒž๎ƒฉ๎ƒž๎ƒค๎ƒฃ๎€„
โ€ข After replacing the magnetron, check for
microwave leakage with a survey meter around
๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒข๎ƒ–๎ƒœ๎ƒฃ๎ƒš๎ƒฉ๎ƒง๎ƒค๎ƒฃ๎€„๎€ƒ๎ƒˆ๎ƒž๎ƒ˜๎ƒง๎ƒค๎ƒฌ๎ƒ–๎ƒซ๎ƒš๎€ƒ๎ƒš๎ƒฃ๎ƒš๎ƒง๎ƒœ๎ƒฎ๎€ƒ๎ƒข๎ƒช๎ƒจ๎ƒฉ๎€ƒ๎ƒ—๎ƒš๎€ƒ
below the limit of 5 mW/cm2๎€ƒ๎‚•๎ƒฌ๎ƒž๎ƒฉ๎ƒ๎€ƒ๎ƒ–๎€ƒ๎€Ÿ๎€ค๎€ข๎€ƒ๎ƒข๎ƒก๎€„๎€ƒ
๎ƒฌ๎ƒ–๎ƒฉ๎ƒš๎ƒง๎€ƒ๎ƒก๎ƒค๎ƒ–๎ƒ™๎‚–๎€„
โ€ข Make sure that the gasket is rigidly
attached to the magnetron. To prevent
microwave leakage, tighten the mounting
screws properly, making sure there is no gap
๎ƒ—๎ƒš๎ƒฉ๎ƒฌ๎ƒš๎ƒš๎ƒฃ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒฌ๎ƒ–๎ƒซ๎ƒš๎ƒœ๎ƒช๎ƒž๎ƒ™๎ƒš๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒข๎ƒ–๎ƒœ๎ƒฃ๎ƒš๎ƒฉ๎ƒง๎ƒค๎ƒฃ๎€„
Waveguide
Magnetron
Gasket
Magnetron
Dome
Waveguide
Bracket
Magnetron
9. REMOVING THE
TURNTABLE MOTOR
โ€ข๎€ƒ ๎ƒ๎ƒš๎ƒข๎ƒค๎ƒซ๎ƒš๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒœ๎ƒก๎ƒ–๎ƒจ๎ƒจ๎€ƒ๎ƒฉ๎ƒง๎ƒ–๎ƒฎ๎€„
โ€ข๎€ƒ ๎ƒ๎ƒš๎ƒข๎ƒค๎ƒซ๎ƒš๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒฅ๎ƒช๎ƒก๎ƒก๎ƒš๎ƒฎ๎€ƒ๎ƒจ๎ƒ๎ƒ–๎ƒ›๎ƒฉ๎€ƒ๎ƒ‘๎ƒ€๎ƒ๎ƒ”๎€ƒ๎‚พ๎‚ผ๎ƒ๎ƒ€๎ƒ๎ƒ๎ƒ‡๎ƒ‡๎ƒ”๎€„
โ€ข๎€ƒ ๎ƒ‡๎ƒ–๎ƒฎ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒช๎ƒฃ๎ƒž๎ƒฉ๎€ƒ๎ƒ™๎ƒค๎ƒฌ๎ƒฃ๎€ƒ๎ƒค๎ƒฃ๎€ƒ๎ƒž๎ƒฉ๎ƒจ๎€ƒ๎ƒ—๎ƒ–๎ƒ˜๎ƒ ๎€„
โ€ข๎€ƒ ๎ƒ๎ƒš๎ƒข๎ƒค๎ƒซ๎ƒš๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒฉ๎ƒช๎ƒง๎ƒฃ๎ƒฉ๎ƒ–๎ƒ—๎ƒก๎ƒš๎€ƒ๎ƒข๎ƒค๎ƒฉ๎ƒค๎ƒง๎€ƒ๎ƒ˜๎ƒค๎ƒซ๎ƒš๎ƒง๎€„
โ€ข The turntable base cover is easily removed by
๎ƒฅ๎ƒž๎ƒฃ๎ƒ˜๎ƒ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒจ๎ƒž๎ƒญ๎€ƒ๎ƒฅ๎ƒ–๎ƒง๎ƒฉ๎ƒจ๎€ƒ๎ƒฌ๎ƒž๎ƒฉ๎ƒ๎€ƒ๎ƒ–๎€ƒ๎ƒฌ๎ƒž๎ƒง๎ƒš๎€ƒ๎ƒ˜๎ƒช๎ƒฉ๎ƒฉ๎ƒž๎ƒฃ๎ƒœ๎€„
โ€ข Disconnect the leadwire from the turntable
๎ƒข๎ƒค๎ƒฉ๎ƒค๎ƒง๎€ƒ๎ƒฉ๎ƒš๎ƒง๎ƒข๎ƒž๎ƒฃ๎ƒ–๎ƒก๎ƒจ๎€„
โ€ข Remove the screw securing the turntable
๎ƒข๎ƒค๎ƒฉ๎ƒค๎ƒง๎€ƒ๎ƒฉ๎ƒค๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒค๎ƒซ๎ƒš๎ƒฃ๎€ƒ๎ƒ˜๎ƒ–๎ƒซ๎ƒž๎ƒฉ๎ƒฎ๎€ƒ๎ƒ–๎ƒจ๎ƒจ๎ƒš๎ƒข๎ƒ—๎ƒก๎ƒฎ๎€„
โ€ข After replacing the motor, rotate the removed
๎ƒฉ๎ƒช๎ƒง๎ƒฃ๎ƒฉ๎ƒ–๎ƒ—๎ƒก๎ƒš๎€ƒ๎ƒข๎ƒค๎ƒฉ๎ƒค๎ƒง๎€ƒ๎ƒ˜๎ƒค๎ƒซ๎ƒš๎ƒง๎€„
โ€ข Fit the turntable motor coverโ€™s projecting part
๎ƒฉ๎ƒค๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ—๎ƒ–๎ƒจ๎ƒš๎€ƒ๎ƒฅ๎ƒก๎ƒ–๎ƒฉ๎ƒš๎€ƒ๎ƒจ๎ƒก๎ƒž๎ƒฉ๎€„
NOTE:
โ€ข Remove the wire lead from the turntable
๎ƒข๎ƒค๎ƒฉ๎ƒค๎ƒง๎€ƒ๎ƒ‘๎ƒ€๎ƒ๎ƒ”๎€ƒ๎‚พ๎‚ผ๎ƒ๎ƒ€๎ƒ๎ƒ๎ƒ‡๎ƒ‡๎ƒ”๎€„
โ€ข Be sure to grasp the connector, not the wires,
๎ƒฌ๎ƒ๎ƒš๎ƒฃ๎€ƒ๎ƒง๎ƒš๎ƒข๎ƒค๎ƒซ๎ƒž๎ƒฃ๎ƒœ๎€„
Remove turntable motor:
Wire Leads
Turntable Motor
10. PCB ASSEMBLY REMOVAL
โ€ข Remove the control panel assembly from
๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ˜๎ƒ–๎ƒซ๎ƒž๎ƒฉ๎ƒฎ๎€„
โ€ข Remove the screws that hold the PCB to the
๎ƒ˜๎ƒค๎ƒฃ๎ƒฉ๎ƒง๎ƒค๎ƒก๎€ƒ๎ƒฅ๎ƒ–๎ƒฃ๎ƒš๎ƒก๎€„
โ€ข๎€ƒ ๎‚ฟ๎ƒž๎ƒจ๎ƒ˜๎ƒค๎ƒฃ๎ƒฃ๎ƒš๎ƒ˜๎ƒฉ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎„ž๎ƒ–๎ƒฉ๎€ƒ๎ƒ˜๎ƒ–๎ƒ—๎ƒก๎ƒš๎€ƒ๎ƒ›๎ƒง๎ƒค๎ƒข๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ‹๎‚พ๎‚ฝ๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ
๎ƒฉ๎ƒ–๎ƒ ๎ƒš๎€ƒ๎ƒค๎„œ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ‹๎‚พ๎‚ฝ๎€„
6
11. INTERLOCK SYSTEM
๎‚ผ๎€„๎€ƒINTERLOCK MECHANISM
The door lock mechanism has been specially
designed to eliminate completely microwave
activity when the door is opened during
cooking and thus to prevent the danger
๎ƒง๎ƒš๎ƒจ๎ƒช๎ƒก๎ƒฉ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒ›๎ƒง๎ƒค๎ƒข๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒข๎ƒž๎ƒ˜๎ƒง๎ƒค๎ƒฌ๎ƒ–๎ƒซ๎ƒš๎€ƒ๎ƒก๎ƒš๎ƒ–๎ƒ ๎ƒ–๎ƒœ๎ƒš๎€„
๎‚ฝ๎€„ MOUNTING OF THE PRIMARY/MONITOR/
SECONDARY SWITCHES TO THE L ATCH BOARD
ADJUSTMENT
DIRECTION
PRIMARY
SWITCH
MONITOR
SWITCH
SECONDARY
SWITCH
๎‚พ๎€„ INSTALLATION AND ADJUSTMENT OF THE
LATCH BOARD TO THE OVEN ASSEMBLY
๎‚๎€ƒ ๎ƒˆ๎ƒค๎ƒช๎ƒฃ๎ƒฉ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒก๎ƒ–๎ƒฉ๎ƒ˜๎ƒ๎€ƒ๎ƒ—๎ƒค๎ƒ–๎ƒง๎ƒ™๎€ƒ๎ƒฉ๎ƒค๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒค๎ƒซ๎ƒš๎ƒฃ๎€ƒ๎ƒ–๎ƒจ๎ƒจ๎ƒš๎ƒข๎ƒ—๎ƒก๎ƒฎ๎€„
โ€ข Adjust the latch board in the arrow direction so
that oven door will not have any play in it when
๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ™๎ƒค๎ƒค๎ƒง๎€ƒ๎ƒž๎ƒจ๎€ƒ๎ƒ˜๎ƒก๎ƒค๎ƒจ๎ƒš๎ƒ™๎€„
๎‚๎€ƒ ๎ƒ๎ƒž๎ƒœ๎ƒ๎ƒฉ๎ƒš๎ƒฃ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒข๎ƒค๎ƒช๎ƒฃ๎ƒฉ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒจ๎ƒ˜๎ƒง๎ƒš๎ƒฌ๎€„
โ€ข Check for play in the door by pushing
the door release button. Door movement
should be less than 0.5 mm (1/64 in).
Donโ€™t push the door release button while
making adjustments๎€„๎€ƒ๎ƒˆ๎ƒ–๎ƒ ๎ƒš๎€ƒ๎ƒจ๎ƒช๎ƒง๎ƒš๎€ƒ๎ƒฉ๎ƒ๎ƒ–๎ƒฉ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ
latch moves smoothly after adjustments are
๎ƒ˜๎ƒค๎ƒข๎ƒฅ๎ƒก๎ƒš๎ƒฉ๎ƒš๎ƒ™๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒฉ๎ƒ๎ƒ–๎ƒฉ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒจ๎ƒ˜๎ƒง๎ƒš๎ƒฌ๎ƒจ๎€ƒ๎ƒ–๎ƒง๎ƒš๎€ƒ๎ƒฉ๎ƒž๎ƒœ๎ƒ๎ƒฉ๎€„๎€ƒ๎ƒˆ๎ƒ–๎ƒ ๎ƒš๎€ƒ
sure the primary, monitor, and secondary
switches operate properly by following the
๎ƒ˜๎ƒค๎ƒฃ๎ƒฉ๎ƒž๎ƒฃ๎ƒช๎ƒž๎ƒฉ๎ƒฎ๎€ƒ๎ƒฉ๎ƒš๎ƒจ๎ƒฉ๎€ƒ๎ƒฅ๎ƒง๎ƒค๎ƒ˜๎ƒš๎ƒ™๎ƒช๎ƒง๎ƒš๎€„
CAUTION: CHECK THE CORRECT POSITION
MAGNETRON
H.V. TRANSFORMER
PRIMARY
H.V. CAP ACITOR
H.V.
DIODE
FIG. 1
H.V.FUSE
INTERLOCK CONTINUITY TEST
WARNING: FOR CONTINUED PROTECTION AGAINST
EXCESSIVE RADIATION EMISSION, REPLACE ONLY WITH
IDENTICAL REPLACEMENT PARTS.
๎ƒ๎ƒ”๎ƒ‹๎€ƒ๎ƒ‰๎ƒŠ๎€„๎€ƒ๎ƒ†๎ƒ’๎€ ๎‚ผ๎€†๎€ƒ๎ƒƒ๎ƒ†๎‚’๎€ž๎€ก๎€†๎€ƒ๎ƒ‡๎ƒ๎‚’๎€ž๎€๎‚’๎€๎€Ÿ๎ƒˆ๎€ƒ๎‚•๎€๎€Ÿ๎€Ÿ๎ƒˆ๎‚–
1. PRIMARY INTERLOCK
SWITCH TEST
When the door release button is depressed
slowly with the door closed, an audible click
should be heard at the same time or successively
๎ƒ–๎ƒฉ๎€ƒ๎ƒž๎ƒฃ๎ƒฉ๎ƒš๎ƒง๎ƒซ๎ƒ–๎ƒก๎ƒจ๎€„๎€ƒ๎ƒ’๎ƒ๎ƒš๎ƒฃ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ—๎ƒช๎ƒฉ๎ƒฉ๎ƒค๎ƒฃ๎€ƒ๎ƒž๎ƒจ๎€ƒ๎ƒง๎ƒš๎ƒก๎ƒš๎ƒ–๎ƒจ๎ƒš๎ƒ™๎€ƒ๎ƒจ๎ƒก๎ƒค๎ƒฌ๎ƒก๎ƒฎ๎€†๎€ƒ
the latches should activate the switches with an
audible click๎€„
If the latches do not activate the switches
when the door is closed, the switches should
be adjusted in accordance with the adjustment
๎ƒฅ๎ƒง๎ƒค๎ƒ˜๎ƒš๎ƒ™๎ƒช๎ƒง๎ƒš๎€„๎€ƒ๎‚ฟ๎ƒž๎ƒจ๎ƒ˜๎ƒค๎ƒฃ๎ƒฃ๎ƒš๎ƒ˜๎ƒฉ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒฌ๎ƒž๎ƒง๎ƒš๎€ƒ๎ƒก๎ƒš๎ƒ–๎ƒ™๎€ƒ๎ƒ›๎ƒง๎ƒค๎ƒข๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ
๎ƒฅ๎ƒง๎ƒž๎ƒข๎ƒ–๎ƒง๎ƒฎ๎€ƒ๎ƒจ๎ƒฌ๎ƒž๎ƒฉ๎ƒ˜๎ƒ๎€„๎€ƒ๎‚พ๎ƒค๎ƒฃ๎ƒฃ๎ƒš๎ƒ˜๎ƒฉ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒค๎ƒ๎ƒข๎ƒข๎ƒš๎ƒฉ๎ƒš๎ƒง๎€ƒ๎ƒก๎ƒš๎ƒ–๎ƒ™๎ƒจ๎€ƒ
to the common (COM) and normally open (NO)
๎ƒฉ๎ƒš๎ƒง๎ƒข๎ƒž๎ƒฃ๎ƒ–๎ƒก๎€ƒ๎ƒค๎ƒ›๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒจ๎ƒฌ๎ƒž๎ƒฉ๎ƒ˜๎ƒ๎€„๎€ƒ๎ƒ๎ƒ๎ƒš๎€ƒ๎ƒข๎ƒš๎ƒฉ๎ƒš๎ƒง๎€ƒ๎ƒจ๎ƒ๎ƒค๎ƒช๎ƒก๎ƒ™๎€ƒ๎ƒž๎ƒฃ๎ƒ™๎ƒž๎ƒ˜๎ƒ–๎ƒฉ๎ƒš๎€ƒ
๎ƒ–๎ƒฃ๎€ƒ๎ƒค๎ƒฅ๎ƒš๎ƒฃ๎€ƒ๎ƒ˜๎ƒž๎ƒง๎ƒ˜๎ƒช๎ƒž๎ƒฉ๎€ƒ๎ƒž๎ƒฃ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ™๎ƒค๎ƒค๎ƒง๎€ƒ๎ƒค๎ƒฅ๎ƒš๎ƒฃ๎€ƒ๎ƒ˜๎ƒค๎ƒฃ๎ƒ™๎ƒž๎ƒฉ๎ƒž๎ƒค๎ƒฃ๎€„
When the door is closed, the meter should
๎ƒž๎ƒฃ๎ƒ™๎ƒž๎ƒ˜๎ƒ–๎ƒฉ๎ƒš๎€ƒ๎ƒ–๎€ƒ๎ƒ˜๎ƒก๎ƒค๎ƒจ๎ƒš๎ƒ™๎€ƒ๎ƒ˜๎ƒž๎ƒง๎ƒ˜๎ƒช๎ƒž๎ƒฉ๎€„
When the primary switch operation is abnormal,
make the necessary adjustment or replace the
๎ƒจ๎ƒฌ๎ƒž๎ƒฉ๎ƒ˜๎ƒ๎€ƒ๎ƒค๎ƒฃ๎ƒก๎ƒฎ๎€ƒ๎ƒฌ๎ƒž๎ƒฉ๎ƒ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒจ๎ƒ–๎ƒข๎ƒš๎€ƒ๎ƒฉ๎ƒฎ๎ƒฅ๎ƒš๎€ƒ๎ƒค๎ƒ›๎€ƒ๎ƒจ๎ƒฌ๎ƒž๎ƒฉ๎ƒ˜๎ƒ๎€„
2. SECONDARY INTERLOCK
SWITCH TEST
Disconnect the wire lead from the
๎ƒจ๎ƒš๎ƒ˜๎ƒค๎ƒฃ๎ƒ™๎ƒ–๎ƒง๎ƒฎ๎€ƒ๎ƒจ๎ƒฌ๎ƒž๎ƒฉ๎ƒ˜๎ƒ๎€„
Connect the ohmmeter leads to the common
(COM) and normally open (NO) terminals of the
๎ƒจ๎ƒฌ๎ƒž๎ƒฉ๎ƒ˜๎ƒ๎€„๎€ƒ๎ƒ๎ƒ๎ƒš๎€ƒ๎ƒข๎ƒš๎ƒฉ๎ƒš๎ƒง๎€ƒ๎ƒจ๎ƒ๎ƒค๎ƒช๎ƒก๎ƒ™๎€ƒ๎ƒž๎ƒฃ๎ƒ™๎ƒž๎ƒ˜๎ƒ–๎ƒฉ๎ƒš๎€ƒ๎ƒ–n open circuit
๎ƒž๎ƒฃ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ™๎ƒค๎ƒค๎ƒง๎€ƒ๎ƒค๎ƒฅ๎ƒš๎ƒฃ๎€ƒ๎ƒ˜๎ƒค๎ƒฃ๎ƒ™๎ƒž๎ƒฉ๎ƒž๎ƒค๎ƒฃ๎€„๎€ƒ๎ƒ’๎ƒ๎ƒš๎ƒฃ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ™๎ƒค๎ƒค๎ƒง๎€ƒ๎ƒž๎ƒจ๎€ƒ
closed, the๎€ƒ๎ƒข๎ƒš๎ƒฉ๎ƒš๎ƒง๎€ƒ๎ƒจ๎ƒ๎ƒค๎ƒช๎ƒก๎ƒ™๎€ƒ๎ƒž๎ƒฃ๎ƒ™๎ƒž๎ƒ˜๎ƒ–๎ƒฉ๎ƒš๎€ƒ๎ƒ–๎€ƒ๎ƒ˜๎ƒก๎ƒค๎ƒจ๎ƒš๎ƒ™๎€ƒ๎ƒ˜๎ƒž๎ƒง๎ƒ˜๎ƒช๎ƒž๎ƒฉ๎€„๎€ƒ
When the secondary switch operation is
abnormal, make the necessary adjustment or
replace the switch only with the same type of
๎ƒจ๎ƒฌ๎ƒž๎ƒฉ๎ƒ˜๎ƒ๎€„
3. MONITOR SWITCH TEST
Disconnect the wire lead from the monitor
๎ƒจ๎ƒฌ๎ƒž๎ƒฉ๎ƒ˜๎ƒ๎€„๎€ƒ๎‚พ๎ƒค๎ƒฃ๎ƒฃ๎ƒš๎ƒ˜๎ƒฉ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒค๎ƒ๎ƒข๎ƒข๎ƒš๎ƒฉ๎ƒš๎ƒง๎€ƒ๎ƒก๎ƒš๎ƒ–๎ƒ™๎ƒจ๎€ƒ๎ƒฉ๎ƒค๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ
common (COM) and normally closed (NC)
๎ƒฉ๎ƒš๎ƒง๎ƒข๎ƒž๎ƒฃ๎ƒ–๎ƒก๎ƒจ๎€ƒ๎ƒค๎ƒ›๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒจ๎ƒฌ๎ƒž๎ƒฉ๎ƒ˜๎ƒ๎€„๎€ƒ๎ƒ๎ƒ๎ƒš๎€ƒ๎ƒข๎ƒš๎ƒฉ๎ƒš๎ƒง๎€ƒ๎ƒจ๎ƒ๎ƒค๎ƒช๎ƒก๎ƒ™๎€ƒ
๎ƒž๎ƒฃ๎ƒ™๎ƒž๎ƒ˜๎ƒ–๎ƒฉ๎ƒš๎€ƒ๎ƒ˜๎ƒก๎ƒค๎ƒจ๎ƒš๎ƒ™๎€ƒ๎ƒ˜๎ƒž๎ƒง๎ƒ˜๎ƒช๎ƒž๎ƒฉ๎€ƒ๎ƒž๎ƒฃ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ™๎ƒค๎ƒค๎ƒง๎€ƒ๎ƒค๎ƒฅ๎ƒš๎ƒฃ๎€ƒ๎ƒ˜๎ƒค๎ƒฃ๎ƒ™๎ƒž๎ƒฉ๎ƒž๎ƒค๎ƒฃ๎€„๎€ƒ
When the door is closed, meter should indicate
๎ƒ–๎ƒฃ๎€ƒ๎ƒค๎ƒฅ๎ƒš๎ƒฃ๎€ƒ๎ƒ˜๎ƒž๎ƒง๎ƒ˜๎ƒช๎ƒž๎ƒฉ๎€„๎€ƒ๎ƒ’๎ƒ๎ƒš๎ƒฃ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒข๎ƒค๎ƒฃ๎ƒž๎ƒฉ๎ƒค๎ƒง๎€ƒ๎ƒจ๎ƒฌ๎ƒž๎ƒฉ๎ƒ˜๎ƒ๎€ƒ
operation is abnormal, replace with the same
๎ƒฉ๎ƒฎ๎ƒฅ๎ƒš๎€ƒ๎ƒค๎ƒ›๎€ƒ๎ƒจ๎ƒฌ๎ƒž๎ƒฉ๎ƒ˜๎ƒ๎€„
NOTE: After repairing the door or the
interlock system, it is necessary to do
this continuity test before operating
the oven.
COMPONENTS TEST PROCEDURE RESULTS
rooDrooD SEHCTIWS edsolcnepo)devomer sdael eriW(
Primary
Switch
Monitor
Switch
NOTE : After checking for the continuity of switches, make sure that they are
correctly connected.
COM
NO
COM
NC
COM
NO
Secondary
Switch
Type No. KW3A
HK-14,
LF-10-02M(022M)
Type No. KW3A
HK-14,
LF-10-02M(022M)
Type No. KW3A
HK-14,
LF-10-02M(022M)
Check for continuity of the
switch with an Ohmmeter
7
COMPONENT TEST PROCEDURE
CAUTIONS:
A๎€„๎€ƒ๎‚ฟ๎ƒ„๎ƒŽ๎‚พ๎ƒŠ๎ƒ‰๎ƒ‰๎ƒ€๎‚พ๎ƒ๎€ƒ๎ƒ๎ƒƒ๎ƒ€๎€ƒ๎ƒ‹๎ƒŠ๎ƒ’๎ƒ€๎ƒ๎€ƒ๎ƒŽ๎ƒ๎ƒ‹๎ƒ‹๎ƒ‡๎ƒ”๎€ƒ๎‚พ๎ƒŠ๎ƒ๎‚ฟ๎€ƒ๎ƒ๎ƒ๎ƒŠ๎ƒˆ๎€ƒ๎ƒ๎ƒƒ๎ƒ€๎€ƒ๎ƒŠ๎ƒ๎ƒ๎ƒ‡๎ƒ€๎ƒ๎€ƒ๎ƒ’๎ƒƒ๎ƒ€๎ƒ‰๎ƒ€๎ƒ‘๎ƒ€๎ƒ๎€ƒ๎ƒ๎ƒ€๎ƒˆ๎ƒŠ๎ƒ‘๎ƒ„๎ƒ‰๎ƒ‚๎€ƒ๎ƒ๎ƒƒ๎ƒ€๎€ƒ
๎ƒŠ๎ƒ๎ƒ๎ƒ€๎ƒ๎€ƒ๎‚พ๎‚ผ๎ƒŽ๎ƒ€๎€ƒ๎ƒ๎ƒ๎ƒŠ๎ƒˆ๎€ƒ๎ƒ๎ƒƒ๎ƒ€๎€ƒ๎ƒ๎ƒ‰๎ƒ„๎ƒ๎€„๎€ƒ๎ƒ‹๎ƒ๎ƒŠ๎‚พ๎ƒ€๎ƒ€๎‚ฟ๎€ƒ๎ƒ’๎ƒ„๎ƒ๎ƒƒ๎€ƒ๎ƒ๎ƒƒ๎ƒ€๎€ƒ๎ƒ๎ƒ€๎ƒŽ๎ƒ๎€ƒ๎ƒŠ๎ƒ‰๎ƒ‡๎ƒ”๎€ƒ๎‚ผ๎ƒ๎ƒ๎ƒ€๎ƒ๎€ƒ๎‚ฟ๎ƒ„๎ƒŽ๎‚พ๎ƒƒ๎‚ผ๎ƒ๎ƒ‚๎ƒ„๎ƒ‰๎ƒ‚๎€ƒ๎ƒ๎ƒƒ๎ƒ€๎€ƒ
๎ƒƒ๎ƒ„๎ƒ‚๎ƒƒ๎‚ค๎ƒ‘๎ƒŠ๎ƒ‡๎ƒ๎‚ผ๎ƒ‚๎ƒ€ CAPACITOR AND REMOVING THE WIRE LEADS FROM THE PRIMARY WINDING
OF THE ๎ƒƒ๎ƒ„๎ƒ‚๎ƒƒ๎‚ค๎ƒ‘๎ƒŠ๎ƒ‡๎ƒ๎‚ผ๎ƒ‚๎ƒ€๎€ƒ๎ƒ๎ƒ๎‚ผ๎ƒ‰๎ƒŽ๎ƒ๎ƒŠ๎ƒ๎ƒˆ๎ƒ€๎ƒ๎€„๎€ƒ๎‚•๎ƒŽ๎ƒ€๎ƒ€๎€ƒ๎ƒ‹๎‚ผ๎ƒ‚๎ƒ€๎€ƒ๎€ž๎‚–
B๎€„๎€ƒ๎‚ผ๎ƒ‡๎ƒ‡๎€ƒ๎ƒŠ๎ƒ‹๎ƒ€๎ƒ๎‚ผ๎ƒ๎ƒ„๎ƒŠ๎ƒ‰๎‚ผ๎ƒ‡๎€ƒ๎‚พ๎ƒƒ๎ƒ€๎‚พ๎ƒ†๎ƒŽ๎€ƒ๎ƒ’๎ƒ„๎ƒ๎ƒƒ๎€ƒ๎ƒˆ๎ƒ„๎‚พ๎ƒ๎ƒŠ๎ƒ’๎‚ผ๎ƒ‘๎ƒ€๎€ƒ๎ƒ€๎ƒ‰๎ƒ€๎ƒ๎ƒ‚๎ƒ”๎€ƒ๎ƒˆ๎ƒ๎ƒŽ๎ƒ๎€ƒ๎‚ฝ๎ƒ€๎€ƒ๎‚ฟ๎ƒŠ๎ƒ‰๎ƒ€๎€ƒ๎ƒ’๎ƒ„๎ƒ๎ƒƒ๎€ƒ๎‚ผ๎€ƒ๎ƒ‡๎ƒŠ๎‚ผ๎‚ฟ๎€ƒ๎‚•๎€ž๎€ƒ๎ƒ‡๎ƒ„๎ƒ๎ƒ€๎ƒ๎€ƒ
๎ƒŠ๎ƒ๎€ƒ๎ƒ’๎‚ผ๎ƒ๎ƒ€๎ƒ๎€ƒ๎ƒ„๎ƒ‰๎€ƒ๎‚พ๎ƒŠ๎ƒ‰๎ƒ๎‚ผ๎ƒ„๎ƒ‰๎ƒ€๎ƒ๎‚–๎€ƒ๎ƒ„๎ƒ‰๎€ƒ๎ƒ๎ƒƒ๎ƒ€๎€ƒ๎ƒŠ๎ƒ‘๎ƒ€๎ƒ‰๎€„
COMPONENTS TEST PROCEDURE RESULTS
HIGH-VOLTAGE
CAPACITOR
HIGH-VOLTAGE
DIODE
NOTE:
Some inexpensive meters
may indicate in๏ฌnite
resistance in both direction.
Measure the resistance.
(Ohmmeter scale: Rx1000)
โ€ข Terminal to terminal.
Measure the resistance.
(Ohmmeter scale: Rx1000)
โ€ข Terminal to case.
Measure the continuity (Forward).
(Ohmmeter scale: Rx10000)
Measure the continuity (Reverse).
(Ohmmeter scale: Rx10000)
Normal: Momentarily indicates
several ohms, and then
gradually returns to
Normal: In๏ฌnite
Normal: Continuity.
Abnormal: In๏ฌnite *
Normal: In๏ฌnite
Abnormal: Continuity.
NOTE: When testing the magnetron, be sure to install the magnetron gasket
in the correct position and be sure that the gasket is in good condition.
Antenna
Gasket
Chassis
Filament
10M ohms.
*
COMPONENTS TEST PROCEDURE RESULTS
HIGH-VOLTAGE
TRANSFORMER
(Wire leads removed)
MAGNETRON
(Wire leads removed)
Measure the resistance.
(Ohmmeter scale: Rx1)
โ€ข Primary winding
โ€ข Secondary winding
โ€ข Filament winding
Measure the resistance.
(Ohmmeter scale: Rx1000)
โ€ข Primary winding to ground
โ€ข Filament winding to ground
Measure the resistance.
(Ohmmeter scale: Rx1)
โ€ข Filament terminal
Measure the resistance.
(Ohmmeter scale: Rx1000)
โ€ข Filament to chassis
Approx: 0.645 ยฑ 10%ฮฉ
Approx: 203 ยฑ 10%ฮฉ
Less than: 1 ohm
Normal: In๏ฌnite
Normal: In๏ฌnite
Normal: Less than 1 ohm
Normal: In๏ฌnite
PRIMARY
TERMINAL
SECONDARY
WINDING
FILAMENT
WINDING
TERMINAL
SECONDARY
TERMINAL
8
FUSE Check for continuity of the fuse with a
multi-meter.
NOTE: If the fuse is blown, check the primary, the secondary, and the monitor switches,
H.V.D. and H.V.C. before replacing the fuse.
If the fuse is blown by improper switch operation replace the defective switch and the
fuse at the same time. Replace just the fuse if the switches operate normally.
Normal Abnormal
COMPONENTS TEST PROCEDURE RESULTS
Below speci๏ฌed
temperature
Above speci๏ฌed
temperature
THERMAL CUT-OUT
H.V. FUSE Normal Abnormal
FAN MOTOR
(Wire leads removed)
TURNTABLE
MOTOR
(Wire leads removed)
Measure the resistance.
(Ohmmeter scale: R x 1000)
NOTE: โ€ข A MICROWAVE LEAKAGE TEST MUST ALWAYS BE PERFORMED WHEN THE UNIT IS
SERVICED FOR ANY REASON.
โ€ข MAKE SURE THE WIRE LEADS ARE IN THE CORRECT POSITION.
โ€ข WHEN REMOVING THE WIRE LEADS FROM THE PARTS, BE SURE TO GRASP THE
CONNECTOR, NOT THE WIRES.
135
Measure the resistance.
(Ohmmeter scale: R x 1) Normal:
Abnormal: In๏ฌnite or several โ„ฆ
00~5001
RELAY 1 OF PCB
(Wire leads removed)
NOTE: Relay
Relay 1: Fan motor
Turntable motor
Oven lamp
Microwave
Relay 1
Relay 1
Cooking Start OFF
โ„ฆ
Normal: Approx.100~200K
Abnormal: In๏ฌnite or several โ„ฆ
โ„ฆ
L.V.Transformer of PCB
(Refer to schematic diagram)
Check for PCB connector.
NOTE: Disconnect the 3 pin
connector from PCB.
Normal Abnormal
COMPONENTS RESULTSTEST PROCEDURE
9
TROUBLESHOOTING
๎ƒ’๎ƒƒ๎ƒ€๎ƒ‰๎€ƒ๎ƒ”๎ƒŠ๎ƒ๎€ƒ๎ƒ‚๎ƒ€๎ƒ๎€ƒ๎‚ผ๎€ƒ๎‚พ๎ƒŠ๎ƒˆ๎ƒ‹๎ƒ‡๎‚ผ๎ƒ„๎ƒ‰๎ƒ๎€ƒ๎ƒ๎ƒ๎ƒŠ๎ƒˆ๎€ƒ๎ƒ”๎ƒŠ๎ƒ๎ƒ๎€ƒ๎‚พ๎ƒ๎ƒŽ๎ƒ๎ƒŠ๎ƒˆ๎ƒ€๎ƒ๎€†๎€ƒ๎ƒ€๎ƒ‘๎‚ผ๎ƒ‡๎ƒ๎‚ผ๎ƒ๎ƒ€๎€ƒ๎ƒ๎ƒƒ๎ƒ€๎€ƒ๎‚พ๎ƒŠ๎ƒˆ๎ƒ‹๎ƒ‡๎‚ผ๎ƒ„๎ƒ‰๎ƒ๎€ƒ๎‚พ๎‚ผ๎ƒ๎ƒ€๎ƒ๎ƒ๎ƒ‡๎ƒ‡๎ƒ”๎€„๎€ƒ
IF THE FOLLOWING SYMPTOMS APPLY, PLEASE INSTRUCT THE CUSTOMER IN THE PROPER USE OF
๎ƒ๎ƒƒ๎ƒ€๎€ƒ๎ƒˆ๎ƒ„๎‚พ๎ƒ๎ƒŠ๎ƒ’๎‚ผ๎ƒ‘๎ƒ€๎€ƒ๎ƒŠ๎ƒ‘๎ƒ€๎ƒ‰๎€„๎€ƒ๎ƒ๎ƒƒ๎ƒ„๎ƒŽ๎€ƒ๎‚พ๎‚ผ๎ƒ‰๎€ƒ๎ƒ€๎ƒ‡๎ƒ„๎ƒˆ๎ƒ„๎ƒ‰๎‚ผ๎ƒ๎ƒ€๎€ƒ๎‚ผ๎ƒ‰๎€ƒ๎ƒ๎ƒ‰๎ƒ‰๎ƒ€๎‚พ๎ƒ€๎ƒŽ๎ƒŽ๎‚ผ๎ƒ๎ƒ”๎€ƒ๎ƒŽ๎ƒ€๎ƒ๎ƒ‘๎ƒ„๎‚พ๎ƒ€๎€ƒ๎‚พ๎‚ผ๎ƒ‡๎ƒ‡๎€„
CAUTIONS
๎€ž๎€„๎€ƒ๎‚พ๎ƒ๎ƒš๎ƒ˜๎ƒ ๎€ƒ๎ƒœ๎ƒง๎ƒค๎ƒช๎ƒฃ๎ƒ™๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒ—๎ƒš๎ƒ›๎ƒค๎ƒง๎ƒš๎€ƒ๎ƒฉ๎ƒง๎ƒค๎ƒช๎ƒ—๎ƒก๎ƒš๎ƒจ๎ƒ๎ƒค๎ƒค๎ƒฉ๎ƒž๎ƒฃ๎ƒœ๎€„
๎€Ÿ๎€„๎€ƒ๎‚ฝ๎ƒš๎€ƒ๎ƒ˜๎ƒ–๎ƒง๎ƒš๎ƒ›๎ƒช๎ƒก๎€ƒ๎ƒค๎ƒ›๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ๎ƒž๎ƒœ๎ƒ๎‚’๎ƒซ๎ƒค๎ƒก๎ƒฉ๎ƒ–๎ƒœ๎ƒš๎€ƒ๎ƒ˜๎ƒž๎ƒง๎ƒ˜๎ƒช๎ƒž๎ƒฉ๎€„
๎€ ๎€„๎€ƒ๎‚ฟ๎ƒž๎ƒจ๎ƒ˜๎ƒ๎ƒ–๎ƒง๎ƒœ๎ƒš๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ๎ƒž๎ƒœ๎ƒ๎‚’๎ƒซ๎ƒค๎ƒก๎ƒฉ๎ƒ–๎ƒœ๎ƒš๎€ƒ๎ƒ˜๎ƒ–๎ƒฅ๎ƒ–๎ƒ˜๎ƒž๎ƒฉ๎ƒค๎ƒง๎€ƒ๎‚•๎ƒจ๎ƒš๎ƒš๎€ƒ๎ƒฅ๎ƒ–๎ƒœ๎ƒš๎€ƒ๎€Ÿ๎‚–๎€„
๎€ก๎€„๎€ƒ๎ƒ’๎ƒ๎ƒš๎ƒฃ๎€ƒ๎ƒ˜๎ƒ๎ƒš๎ƒ˜๎ƒ ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ˜๎ƒค๎ƒฃ๎ƒฉ๎ƒž๎ƒฃ๎ƒช๎ƒž๎ƒฉ๎ƒฎ๎€ƒ๎ƒค๎ƒ›๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒจ๎ƒฌ๎ƒž๎ƒฉ๎ƒ˜๎ƒ๎ƒš๎ƒจ๎€ƒ๎ƒค๎ƒง๎€ƒ๎ƒค๎ƒ›๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ๎ƒž๎ƒœ๎ƒ๎‚’๎ƒซ๎ƒค๎ƒก๎ƒฉ๎ƒ–๎ƒœ๎ƒš๎€ƒ๎ƒฉ๎ƒง๎ƒ–๎ƒฃ๎ƒจ๎ƒ›๎ƒค๎ƒง๎ƒข๎ƒš๎ƒง๎€†๎€ƒ๎ƒ™๎ƒž๎ƒจ๎ƒ˜๎ƒค๎ƒฃ๎ƒฃ๎ƒš๎ƒ˜๎ƒฉ๎€ƒ๎ƒค๎ƒฃ๎ƒš๎€ƒ
๎ƒก๎ƒš๎ƒ–๎ƒ™๎€ƒ๎ƒฌ๎ƒž๎ƒง๎ƒš๎€ƒ๎ƒ›๎ƒง๎ƒค๎ƒข๎€ƒ๎ƒฉ๎ƒ๎ƒš๎ƒจ๎ƒš๎€ƒ๎ƒฅ๎ƒ–๎ƒง๎ƒฉ๎ƒจ๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒฉ๎ƒ๎ƒš๎ƒฃ๎€ƒ๎ƒ˜๎ƒ๎ƒš๎ƒ˜๎ƒ ๎€ƒ๎ƒ˜๎ƒค๎ƒฃ๎ƒฉ๎ƒž๎ƒฃ๎ƒช๎ƒž๎ƒฉ๎ƒฎ๎€ƒ๎ƒฌ๎ƒž๎ƒฉ๎ƒ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎‚ผ๎‚พ๎€ƒ๎ƒฅ๎ƒก๎ƒช๎ƒœ๎€ƒ๎ƒง๎ƒš๎ƒข๎ƒค๎ƒซ๎ƒš๎ƒ™๎€„๎€ƒ๎ƒ๎ƒค๎€ƒ๎ƒ™๎ƒค๎€ƒ๎ƒค๎ƒฉ๎ƒ๎ƒš๎ƒง๎ƒฌ๎ƒž๎ƒจ๎ƒš๎€ƒ
๎ƒข๎ƒ–๎ƒฎ๎€ƒ๎ƒง๎ƒš๎ƒจ๎ƒช๎ƒก๎ƒฉ๎€ƒ๎ƒž๎ƒฃ๎€ƒ๎ƒ–๎€ƒ๎ƒ›๎ƒ–๎ƒก๎ƒจ๎ƒš๎€ƒ๎ƒง๎ƒš๎ƒ–๎ƒ™๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒค๎ƒง๎€ƒ๎ƒ™๎ƒ–๎ƒข๎ƒ–๎ƒœ๎ƒš๎€ƒ๎ƒฉ๎ƒค๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒข๎ƒš๎ƒฉ๎ƒš๎ƒง๎€„
๎€ข๎€„๎€ƒ๎‚ฟ๎ƒค๎€ƒ๎ƒฃ๎ƒค๎ƒฉ๎€ƒ๎ƒฉ๎ƒค๎ƒช๎ƒ˜๎ƒ๎€ƒ๎ƒ–๎ƒฃ๎ƒฎ๎€ƒ๎ƒฅ๎ƒ–๎ƒง๎ƒฉ๎€ƒ๎ƒค๎ƒ›๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ˜๎ƒž๎ƒง๎ƒ˜๎ƒช๎ƒž๎ƒฉ๎ƒง๎ƒฎ๎€ƒ๎ƒค๎ƒฃ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ™๎ƒž๎ƒœ๎ƒž๎ƒฉ๎ƒ–๎ƒก๎€ƒ๎ƒฅ๎ƒง๎ƒค๎ƒœ๎ƒง๎ƒ–๎ƒข๎ƒข๎ƒ–๎ƒ—๎ƒก๎ƒš๎€ƒ๎ƒ˜๎ƒž๎ƒง๎ƒ˜๎ƒช๎ƒž๎ƒฉ๎€ƒ๎ƒจ๎ƒž๎ƒฃ๎ƒ˜๎ƒš๎€ƒ๎ƒจ๎ƒฉ๎ƒ–๎ƒฉ๎ƒž๎ƒ˜๎€ƒ๎ƒš๎ƒก๎ƒš๎ƒ˜๎ƒฉ๎ƒง๎ƒž๎ƒ˜๎€ƒ
๎ƒ™๎ƒž๎ƒจ๎ƒ˜๎ƒ๎ƒ–๎ƒง๎ƒœ๎ƒš๎€ƒ๎ƒข๎ƒ–๎ƒฎ๎€ƒ๎ƒ™๎ƒ–๎ƒข๎ƒ–๎ƒœ๎ƒš๎€ƒ๎ƒฉ๎ƒ๎ƒž๎ƒจ๎€ƒ๎ƒ˜๎ƒค๎ƒฃ๎ƒฉ๎ƒง๎ƒค๎ƒก๎€ƒ๎ƒฅ๎ƒ–๎ƒฃ๎ƒš๎ƒก๎€„
๎‚ฝ๎ƒš๎€ƒ๎ƒจ๎ƒช๎ƒง๎ƒš๎€ƒ๎ƒฉ๎ƒค๎€ƒ๎ƒœ๎ƒง๎ƒค๎ƒช๎ƒฃ๎ƒ™๎€ƒ๎ƒฎ๎ƒค๎ƒช๎ƒง๎ƒจ๎ƒš๎ƒก๎ƒ›๎€ƒ๎ƒฉ๎ƒค๎€ƒ๎ƒ–๎ƒซ๎ƒค๎ƒž๎ƒ™๎€ƒ๎ƒ–๎ƒฃ๎ƒฎ๎€ƒ๎ƒš๎ƒก๎ƒš๎ƒ˜๎ƒฉ๎ƒง๎ƒค๎ƒจ๎ƒฉ๎ƒ–๎ƒฉ๎ƒž๎ƒ˜๎€ƒ๎ƒ™๎ƒž๎ƒจ๎ƒ˜๎ƒ๎ƒ–๎ƒง๎ƒœ๎ƒš๎€ƒ๎ƒ—๎ƒช๎ƒž๎ƒก๎ƒ™๎‚’๎ƒช๎ƒฅ๎€ƒ๎ƒž๎ƒฃ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ—๎ƒค๎ƒ™๎ƒฎ๎€„
TROUBLE 1
The following visual conditions indicate a control circuit that may be defective.
๎€ž๎€„๎€ƒ ๎ƒ„๎ƒฃ๎ƒ˜๎ƒค๎ƒข๎ƒฅ๎ƒก๎ƒš๎ƒฉ๎ƒš๎€ƒ๎ƒจ๎ƒš๎ƒœ๎ƒข๎ƒš๎ƒฃ๎ƒฉ๎ƒจ๎€ƒ๎ƒค๎ƒ›๎€ƒ๎ƒ™๎ƒž๎ƒœ๎ƒž๎ƒฉ๎ƒ–๎ƒก๎€ƒ๎ƒ˜๎ƒก๎ƒค๎ƒ˜๎ƒ ๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎‚—๎ƒค๎ƒง๎€ƒ๎ƒฉ๎ƒž๎ƒข๎ƒš๎ƒง๎€ƒ๎ƒ™๎ƒž๎ƒจ๎ƒฅ๎ƒก๎ƒ–๎ƒฎ๎€„
๎‚๎€ƒ๎ƒŽ๎ƒš๎ƒœ๎ƒข๎ƒš๎ƒฃ๎ƒฉ๎€ƒ๎ƒข๎ƒž๎ƒจ๎ƒจ๎ƒž๎ƒฃ๎ƒœ๎€„
๎‚๎€ƒ๎ƒ‹๎ƒ–๎ƒง๎ƒฉ๎ƒž๎ƒ–๎ƒก๎€ƒ๎ƒจ๎ƒš๎ƒœ๎ƒข๎ƒš๎ƒฃ๎ƒฉ๎€ƒ๎ƒข๎ƒž๎ƒจ๎ƒจ๎ƒž๎ƒฃ๎ƒœ๎€„
๎‚๎€ƒ๎‚ฟ๎ƒž๎ƒœ๎ƒž๎ƒฉ๎€ƒ๎„ž๎ƒž๎ƒ˜๎ƒ ๎ƒš๎ƒง๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎‚•๎ƒ‰๎ƒŠ๎ƒ๎ƒ€๎€…๎€ƒ๎ƒŽ๎ƒก๎ƒž๎ƒœ๎ƒ๎ƒฉ๎€ƒ๎„ž๎ƒž๎ƒ˜๎ƒ ๎ƒš๎ƒง๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒž๎ƒจ๎€ƒ๎ƒฃ๎ƒค๎ƒง๎ƒข๎ƒ–๎ƒก๎€„๎‚–
๎€Ÿ๎€„๎€ƒ ๎‚พ๎ƒค๎ƒก๎ƒค๎ƒฃ๎€ƒ๎ƒ™๎ƒค๎ƒš๎ƒจ๎€ƒ๎ƒฃ๎ƒค๎ƒฉ๎€ƒ๎ƒฉ๎ƒช๎ƒง๎ƒฃ๎€ƒ๎ƒค๎ƒฃ๎€ƒ๎ƒค๎ƒง๎€ƒ๎ƒ—๎ƒก๎ƒž๎ƒฃ๎ƒ ๎€„
๎€ ๎€„๎€ƒ ๎‚ผ๎€ƒ๎ƒ™๎ƒž๎ƒจ๎ƒฉ๎ƒž๎ƒฃ๎ƒ˜๎ƒฉ๎€ƒ๎ƒ˜๎ƒ๎ƒ–๎ƒฃ๎ƒœ๎ƒš๎€ƒ๎ƒž๎ƒฃ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ—๎ƒง๎ƒž๎ƒœ๎ƒ๎ƒฉ๎ƒฃ๎ƒš๎ƒจ๎ƒจ๎€ƒ๎ƒค๎ƒ›๎€ƒ๎ƒค๎ƒฃ๎ƒš๎€ƒ๎ƒค๎ƒง๎€ƒ๎ƒข๎ƒค๎ƒง๎ƒš๎€ƒ๎ƒฃ๎ƒช๎ƒข๎ƒ—๎ƒš๎ƒง๎ƒจ๎€ƒ๎ƒž๎ƒฃ๎€ƒ๎ƒ™๎ƒž๎ƒจ๎ƒฅ๎ƒก๎ƒ–๎ƒฎ๎€„
๎€ก๎€„๎€ƒ ๎ƒŠ๎ƒฃ๎ƒš๎€ƒ๎ƒค๎ƒง๎€ƒ๎ƒข๎ƒค๎ƒง๎ƒš๎€ƒ๎ƒ™๎ƒž๎ƒœ๎ƒž๎ƒฉ๎ƒจ๎€ƒ๎ƒž๎ƒฃ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ™๎ƒž๎ƒจ๎ƒฅ๎ƒก๎ƒ–๎ƒฎ๎€ƒ๎ƒ–๎ƒง๎ƒš๎€ƒ๎ƒฃ๎ƒค๎ƒฉ๎€ƒ๎ƒก๎ƒž๎ƒœ๎ƒ๎ƒฉ๎ƒž๎ƒฃ๎ƒœ๎€„
๎€ข๎€„๎€ƒ ๎‚ฟ๎ƒž๎ƒจ๎ƒฅ๎ƒก๎ƒ–๎ƒฎ๎€ƒ๎ƒž๎ƒฃ๎ƒ™๎ƒž๎ƒ˜๎ƒ–๎ƒฉ๎ƒš๎ƒจ๎€ƒ๎ƒ–๎€ƒ๎ƒฃ๎ƒช๎ƒข๎ƒ—๎ƒš๎ƒง๎€ƒ๎ƒ™๎ƒž๎„œ๎ƒš๎ƒง๎ƒš๎ƒฃ๎ƒฉ๎€ƒ๎ƒ›๎ƒง๎ƒค๎ƒข๎€ƒ๎ƒค๎ƒฃ๎ƒš๎€ƒ๎ƒฉ๎ƒค๎ƒช๎ƒ˜๎ƒ๎ƒš๎ƒ™๎€†๎€ƒ๎ƒ›๎ƒค๎ƒง๎€ƒ๎ƒš๎ƒญ๎ƒ–๎ƒข๎ƒฅ๎ƒก๎ƒš๎€†๎€ƒ๎ƒ ๎ƒš๎ƒฎ๎€ƒ๎ƒž๎ƒฃ๎€ƒ๎€ข๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎€ ๎€ƒ๎ƒ–๎ƒฅ๎ƒฅ๎ƒš๎ƒ–๎ƒง๎ƒจ๎€ƒ
๎ƒž๎ƒฃ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ™๎ƒž๎ƒจ๎ƒฅ๎ƒก๎ƒ–๎ƒฎ๎€„
๎€ฃ๎€„๎€ƒ ๎ƒŽ๎ƒฅ๎ƒš๎ƒ˜๎ƒž๎„๎ƒ˜๎€ƒ๎ƒฃ๎ƒช๎ƒข๎ƒ—๎ƒš๎ƒง๎ƒจ๎€ƒ๎‚•๎ƒ›๎ƒค๎ƒง๎€ƒ๎ƒš๎ƒญ๎ƒ–๎ƒข๎ƒฅ๎ƒก๎ƒš๎€ƒ๎€ค๎€ƒ๎ƒค๎ƒง๎€ƒ๎€ฆ๎‚–๎€ƒ๎ƒฌ๎ƒž๎ƒก๎ƒก๎€ƒ๎ƒฃ๎ƒค๎ƒฉ๎€ƒ๎ƒ™๎ƒž๎ƒจ๎ƒฅ๎ƒก๎ƒ–๎ƒฎ๎€ƒ๎ƒฌ๎ƒ๎ƒš๎ƒฃ๎€ƒ๎ƒ ๎ƒš๎ƒฎ๎€ƒ๎ƒฅ๎ƒ–๎ƒ™๎€ƒ๎ƒž๎ƒจ๎€ƒ๎ƒฉ๎ƒค๎ƒช๎ƒ˜๎ƒ๎ƒš๎ƒ™๎€„
๎€ค๎€„๎€ƒ ๎‚ฟ๎ƒž๎ƒจ๎ƒฅ๎ƒก๎ƒ–๎ƒฎ๎€ƒ๎ƒ™๎ƒค๎ƒš๎ƒจ๎€ƒ๎ƒฃ๎ƒค๎ƒฉ๎€ƒ๎ƒ˜๎ƒค๎ƒช๎ƒฃ๎ƒฉ๎€ƒ๎ƒ™๎ƒค๎ƒฌ๎ƒฃ๎€ƒ๎ƒฌ๎ƒž๎ƒฉ๎ƒ๎€ƒ๎ƒฉ๎ƒž๎ƒข๎ƒš๎€ƒ๎ƒ—๎ƒก๎ƒž๎ƒฃ๎ƒ ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒค๎ƒง๎€ƒ๎ƒช๎ƒฅ๎€ƒ๎ƒฌ๎ƒž๎ƒฉ๎ƒ๎€ƒ๎ƒ˜๎ƒก๎ƒค๎ƒ˜๎ƒ ๎€ƒ๎ƒค๎ƒฅ๎ƒš๎ƒง๎ƒ–๎ƒฉ๎ƒž๎ƒค๎ƒฃ๎€„
๎€ฅ๎€„๎€ƒ ๎‚ฟ๎ƒž๎ƒจ๎ƒฅ๎ƒก๎ƒ–๎ƒฎ๎€ƒ๎ƒค๎ƒ—๎ƒซ๎ƒž๎ƒค๎ƒช๎ƒจ๎ƒก๎ƒฎ๎€ƒ๎ƒŸ๎ƒช๎ƒข๎ƒฅ๎ƒจ๎€ƒ๎ƒž๎ƒฃ๎€ƒ๎ƒฉ๎ƒž๎ƒข๎ƒš๎€ƒ๎ƒฌ๎ƒ๎ƒž๎ƒก๎ƒš๎€ƒ๎ƒ˜๎ƒค๎ƒช๎ƒฃ๎ƒฉ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒ™๎ƒค๎ƒฌ๎ƒฃ๎€„
๎€ฆ๎€„๎€ƒ ๎‚ฟ๎ƒž๎ƒจ๎ƒฅ๎ƒก๎ƒ–๎ƒฎ๎€ƒ๎ƒ˜๎ƒค๎ƒช๎ƒฃ๎ƒฉ๎ƒจ๎€ƒ๎ƒ™๎ƒค๎ƒฌ๎ƒฃ๎€ƒ๎ƒฉ๎ƒค๎ƒค๎€ƒ๎ƒ›๎ƒ–๎ƒจ๎ƒฉ๎€ƒ๎ƒฌ๎ƒ๎ƒž๎ƒก๎ƒš๎€ƒ๎ƒ˜๎ƒค๎ƒค๎ƒ ๎ƒž๎ƒฃ๎ƒœ๎€„
๎€ž๎€๎€„๎€ƒ๎ƒ€๎ƒ–๎ƒ˜๎ƒ๎€ƒ๎ƒž๎ƒฃ๎ƒ™๎ƒž๎ƒ˜๎ƒ–๎ƒฉ๎ƒค๎ƒง๎€ƒ๎ƒก๎ƒž๎ƒœ๎ƒ๎ƒฉ๎€ƒ๎ƒ™๎ƒค๎ƒš๎ƒจ๎€ƒ๎ƒฃ๎ƒค๎ƒฉ๎€ƒ๎ƒฉ๎ƒช๎ƒง๎ƒฃ๎€ƒ๎ƒค๎ƒฃ๎€ƒ๎ƒ–๎ƒ›๎ƒฉ๎ƒš๎ƒง๎€ƒ๎ƒจ๎ƒš๎ƒฉ๎ƒฉ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒ˜๎ƒค๎ƒค๎ƒ ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒ˜๎ƒฎ๎ƒ˜๎ƒก๎ƒš๎€„
๎€ž๎€ž๎€„๎€ƒ๎‚ฟ๎ƒž๎ƒจ๎ƒฅ๎ƒก๎ƒ–๎ƒฎ๎€ƒ๎ƒฉ๎ƒž๎ƒข๎ƒš๎€ƒ๎ƒค๎ƒ›๎€ƒ๎ƒ™๎ƒ–๎ƒฎ๎€ƒ๎ƒ™๎ƒค๎ƒš๎ƒจ๎€ƒ๎ƒฃ๎ƒค๎ƒฉ๎€ƒ๎ƒง๎ƒš๎ƒ–๎ƒฅ๎ƒฅ๎ƒš๎ƒ–๎ƒง๎€ƒ๎ƒฌ๎ƒ๎ƒš๎ƒฃ๎€ƒ๎ƒ˜๎ƒค๎ƒค๎ƒ ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒž๎ƒจ๎€ƒ๎„๎ƒฃ๎ƒž๎ƒจ๎ƒ๎ƒš๎ƒ™๎€„
๎€ž๎€Ÿ๎€„๎€ƒ๎‚ฝ๎ƒš๎ƒš๎ƒฅ๎€ƒ๎ƒจ๎ƒค๎ƒช๎ƒฃ๎ƒ™๎€ƒ๎ƒž๎ƒจ๎€ƒ๎ƒฃ๎ƒค๎ƒฉ๎€ƒ๎ƒ๎ƒš๎ƒ–๎ƒง๎ƒ™๎€ƒ๎ƒฌ๎ƒ๎ƒš๎ƒฃ๎€ƒ๎ƒ˜๎ƒค๎ƒง๎ƒง๎ƒš๎ƒ˜๎ƒฉ๎€ƒ๎ƒ ๎ƒš๎ƒฎ๎€ƒ๎ƒž๎ƒจ๎€ƒ๎ƒฉ๎ƒค๎ƒช๎ƒ˜๎ƒ๎ƒš๎ƒ™๎€„
Microwave oven
does not work
Inserting many plugs into
one plug outlet and using
them at the same time
(causes overloading).
Microwave oven plug is not
inserted tightly
Output power is too low Low AC input voltage
Food temperature is too low
Using metallic ware and
allowing it to touch the
oven wall
Sparks occurring
Inconsistent intensity of
microwave by their
characteristics
Uneven cooking
Ceramic ware trimmed in
gold or silver powder is used
Avoid using other electrical
appliances when you use the
microwave oven.
Insert microwave oven
plug securely
Use the microwave oven at
adequate line voltage
This may not be a defect.
It is possible that the food
needs to cook for a
longer time period
Do not use metallic ware for
cooking except where noted
in the cooking guide.
Do not use any type
of cookware with
metallic trimming.
Excessive weight on tray or
improperly balanced
Distribute food evenly. Cook
smaller portions and/or use
lighter weight cookware.
Turntable drags or
makes noise
CONDITION CAUSE REMEDY
โ€ข Wrap the thinner part
with aluminum foil.
โ€ข Use plastic wrap or lid
โ€ข Stir once or twice while
cooking soup, cocoa,
milk, etc.
No input can be
programmed Continuity
No continuity
Defective PCB
assembly
Replace PCB
assembly
Check the conn-
ection between
membrane key
assembly and
PCB assembly
Loose
connection
Connect them
tightly
Some inputs
cannot be
programmed
Everything works
as speci๏ฌed
Still have trouble
Defective key
membrane
assembly
Replace key
membrane
assembly
Replace key
membrane
assembly and
check operation
Display shows a
number or ๏ฌgure
di๏ฌ€erent from
one touched
Random
programming
when touching
other pads
Display is ๏ฌxed
at some ๏ฌgure
and can not
accept any input
Defective PCB
assembly
Replace PCB
assembly
CONDITION CHECK RESULT CAUSE REMEDY
10
TROUBLE 2
Oven does not operate at all. Display window does not display any ๎„gures and no input
is accepted.
TROUBLE 3
Display shows all ๎„gures set, but oven does not start cooking while desired program times are
set and START pad is touched.
TROUBLE 4
Oven seems to be operating but output power is low.
Fuse blows Continuity
Malfunction of the
monitor switch
Check continuity
of monitor
switch (with
door closed)
Check continuity
of primary
switch (with
door opened)
No continuity
Disconnect one
side of the wire
lead connected
from transformer
to the high-
voltage capacitor
and operate
the unit
No continuity
Continuity
Shorted contact at
the primary switch
Fuse blows again
Normal
Defective high-
voltage capacitor
Replace high-
voltage capacitor
Defective high-
voltage transformer
Replace high-voltage
transformer
Replace fuse
CONDITION CHECK RESULT CAUSE REMEDY
Replace primary
and monitor
switches
Replace primary
and monitor
switches
CONDITION CHECK RESUL T CAUSE REMEDY
Setting time does
not count down
when touching
START pad
Fan motor or
oven lamp
do not turn on
No continuity
Continuity
No continuity
Continuity
Check the con-
nection between
connector and
PCB assembly
Defective
secondary switch
Replace
secondary switch
Defective PCB
assembly
Replace PCB
assembly
Check continuity
of secondary
switch (with
door closed)
Check fan motor
Check oven lamp
Abnormal
Abnormal
Normal
Defective fan
motor
Defective oven
lamp
Replace fan
motor
Replace oven
lamp
Loose connection Connection then
tightly.
CONDITION CHECK RESULT CAUSE REMEDY
Output is low Lower than 90%
of rating voltage
Normal
Normal
Abnormal
Disconnect the
wire leads from
Relay 1 and check
on and o๏ฌ€ time
with multitester
Defective PCB
assembly
Replace PCB
assembly
Decrease in power
source voltage
with load
Suggest customer
contact local
electric power
utility co. or
quali๏ฌed
electrician
Check the
power source
voltage
Defective
magnetron
Replace
magnetron
11
TROUBLE 5
No microwave oscillation even though oven lamp and fan motor run (Display
operates properly).
TROUBLE 6
Oven does not cook properly when programmed for the set power level (Operates properly
on HIGH).
NOTE๎€…๎€ƒ๎‚๎€ƒ๎ƒˆ๎ƒ–๎ƒ ๎ƒš๎€ƒ๎ƒจ๎ƒช๎ƒง๎ƒš๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒฌ๎ƒž๎ƒง๎ƒš๎€ƒ๎ƒก๎ƒš๎ƒ–๎ƒ™๎ƒจ๎€ƒ๎ƒ–๎ƒง๎ƒš๎€ƒ๎ƒž๎ƒฃ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ˜๎ƒค๎ƒง๎ƒง๎ƒš๎ƒ˜๎ƒฉ๎€ƒ๎ƒฅ๎ƒค๎ƒจ๎ƒž๎ƒฉ๎ƒž๎ƒค๎ƒฃ๎ƒจ๎€„๎€ƒ
๎€ƒ ๎‚๎€ƒ๎ƒ’๎ƒ๎ƒš๎ƒฃ๎€ƒ๎ƒง๎ƒš๎ƒข๎ƒค๎ƒซ๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒฌ๎ƒž๎ƒง๎ƒš๎€ƒ๎ƒก๎ƒš๎ƒ–๎ƒ™๎ƒจ๎€ƒ๎ƒ›๎ƒง๎ƒค๎ƒข๎€ƒ๎ƒฅ๎ƒ–๎ƒง๎ƒฉ๎ƒจ๎€ƒ๎ƒ—๎ƒš๎€ƒ๎ƒจ๎ƒช๎ƒง๎ƒš๎€ƒ๎ƒฉ๎ƒค๎€ƒ๎ƒœ๎ƒง๎ƒ–๎ƒจ๎ƒฅ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒ˜๎ƒค๎ƒฃ๎ƒฃ๎ƒš๎ƒ˜๎ƒฉ๎ƒค๎ƒง๎€ƒ๎ƒฃ๎ƒค๎ƒฉ๎€ƒ๎ƒฉ๎ƒ๎ƒš๎€ƒ๎ƒฌ๎ƒž๎ƒง๎ƒš๎ƒจ๎€„
โ€ข When removing the magnetron, be sure to install the magnetron gasket in the correct
๎€ƒ ๎ƒฅ๎ƒค๎ƒจ๎ƒž๎ƒฉ๎ƒž๎ƒค๎ƒฃ๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒž๎ƒฃ๎€ƒ๎ƒœ๎ƒค๎ƒค๎ƒ™๎€ƒ๎ƒ˜๎ƒค๎ƒฃ๎ƒ™๎ƒž๎ƒฉ๎ƒž๎ƒค๎ƒฃ๎€„
ATTACHED FILES LIST
๎€ž๎€„๎€ƒ ๎ƒ€๎ƒญ๎ƒฅ๎ƒก๎ƒค๎ƒ™๎ƒš๎ƒ™๎€ƒ๎ƒ‘๎ƒž๎ƒš๎ƒฌ๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒŽ๎ƒฅ๎ƒ–๎ƒง๎ƒš๎€ƒ๎ƒ‹๎ƒ–๎ƒง๎ƒฉ๎ƒจ๎€ƒ๎ƒ‡๎ƒž๎ƒจ๎ƒฉ
๎€Ÿ๎€„๎€ƒ ๎ƒ’๎ƒž๎ƒง๎ƒž๎ƒฃ๎ƒœ๎€ƒ๎‚ฟ๎ƒž๎ƒ–๎ƒœ๎ƒง๎ƒ–๎ƒข
Output is full when
you set lower
power level
Abnormal Defective PCB
assembly
Replace PCB
assembly
Disconnect the
wire leads from
Relay 1 and check
continuity Relay 1.
(Operate the unit)
CONDITION CHECK RESULT CAUSE REMEDY
No microwave
oscillation No continuity
Continuity
Defective PCB
assembly
Replace PCB
assembly
Disconnect the
wire leads from
Relay 1 and
check continuity
of Relay 1.
(Operate the unit)
Abnormal
Normal
Defective high-
voltage
transformer
Replace high-
voltage
transformer
Check high-voltage
transformer
Normal
Normal
Abnormal Defective high-
voltage diode
Replace high-
voltage diode
Check high-voltage
diode
Abnormal Defective high-
voltage capacitor
Replace high-
voltage capacitor
Check high-voltage
capacitor
Abnormal Defective
magnetron
Replace
magnetron
Check
magnetron
CONDITION CHECK RESULT CAUSE REMEDY
12
PN:16170000A65421
EXPLODED VIEW AND SPARE PARTS LIST WIRING DIAGRAM
๎ƒต๎€Ÿ๎€๎€ž๎€ฅ๎€ƒ๎‚ผ๎ƒข๎ƒ–๎ƒฏ๎ƒค๎ƒฃ๎€„๎ƒ˜๎ƒค๎ƒข๎€†๎€ƒ๎ƒ„๎ƒฃ๎ƒ˜๎€„๎€ƒ๎ƒค๎ƒง๎€ƒ๎ƒž๎ƒฉ๎ƒจ๎€ƒ๎ƒ–๎ƒ›๎ƒ›๎ƒž๎ƒก๎ƒž๎ƒ–๎ƒฉ๎ƒš๎ƒจ๎€„๎€ƒ๎‚ผ๎ƒข๎ƒ–๎ƒฏ๎ƒค๎ƒฃ๎€ƒ๎ƒ–๎ƒฃ๎ƒ™๎€ƒ๎ƒ–๎ƒก๎ƒก๎€ƒ๎ƒง๎ƒš๎ƒก๎ƒ–๎ƒฉ๎ƒš๎ƒ™๎€ƒ๎ƒก๎ƒค๎ƒœ๎ƒค๎ƒจ๎€ƒ๎ƒ–๎ƒง๎ƒš๎€ƒ๎ƒฉ๎ƒง๎ƒ–๎ƒ™๎ƒš๎ƒข๎ƒ–๎ƒง๎ƒ ๎ƒจ๎€ƒ๎ƒค๎ƒ›๎€ƒ๎‚ผ๎ƒข๎ƒ–๎ƒฏ๎ƒค๎ƒฃ๎€„๎ƒ˜๎ƒค๎ƒข๎€†๎€ƒ๎ƒ„๎ƒฃ๎ƒ˜๎€„๎€ƒ๎ƒค๎ƒง๎€ƒ๎ƒž๎ƒฉ๎ƒจ๎€ƒ๎ƒ–๎ƒ›๎ƒ›๎ƒž๎ƒก๎ƒž๎ƒ–๎ƒฉ๎ƒš๎ƒจ๎€„
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Amazon Basics Microwave User manual

Amazon
Brand
Amazon
Model
Basics Microwave
Category
Microwaves
Type
User manual
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