MCD-UB685M/AU-2
Service Manual
REFERENCE No.
SM0937018
CD Portable Radio Cassette
Recorder System
FILE NO.
PRODUCT CODE No.
116422807
Specications
Specications subject to change without notice
CD player
Channels:
2-Channel stereo
Sampling frequency:
44.1 KHz
Pick-up:
Semiconductor laser
Laser output:
0.6 mW (Continuous wave max.)
Wave length:
790 nm
Wow/Flutter:
Below measurable limits
Cassette deck
Track system:
4-track, 2-channel stereo
Erasing system:
Magnet erase
Tape speed:
4.75 cm/sec.
Frequency response:
80 - 12,000 Hz
Fast forward/rewind time:
Approx. 110 sec. (C-60)
General
Output power:
2 W/ch (DC max.)
1.5 W/ch (AC max.)
Speakers:
10 cm x 2, 8 ohms
Terminals:
PHONES: 32 ohms
Power source:
AC: 230 - 240V, 50Hz
DC: 12V, 8 “D/HP2/R20” batteries
Dimensions:
390 (W) x 165 (H) x 260 (D) mm
Weight:
Approx. 2.5 kg (not including batteries)
Radio
Reception frequency:
FM: 87.5 - 108 MHz
AM: 526.5 - 1606.5 KHz
Exploded Vies(Cabinet & Chassis)............................................................................................................ 1
Parts list ................................................................................................................................... 2
Schematic Diagram ......................................................................................................................... 3-12
Table Of Contents
EXPLODED VIEW(CABINET & CHASSIS)
1
PARTS LIST
EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING.COMPONENTS IDENTIFIED WITH THE
IEC SYMBOL IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATE COMPONENTS IN WHICH SAFETY CAN BE
OF SPECIAL SIGNIFICANCE.WHEN REPLACING A COMPONENT IDENTIFIED BY ,USE ONLY THE REPLACEMENT PARTS
DESIGNATED,OR PARTS WITH THE SAME RATINGS OF RESISTANCE,WATTAGE OR VOLTAGE THAT ARE DESIGNATED IN
THE PARTS LIST IN THIS MANUAL.LEAKAGECURRENT OR RESISTANCE MEASUREMENTS MUST BE MADE TO DETERMINE
THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE PRODUCT
TO THE CUSTOMR.
PRODUCT SAFETY NOTICE
2
REF
NO.
PART NO. DESCRIPTION QTY REMARK
PACKING & ACCESSORIES
MR151240230202 POWER CORD SET (SAA) BLACK 1
MRRC0809012011 REMOTE CONTROL 8KEYS SANYO
1
CABINET&CHASSIS
1 MRCAB642280710 FRONT CAB ASSY 1
2 MRCAB642280720 TOP CAB ASSY 1
3 MRCAB642280730 BACK CAB ASSY 1
4 MR155PR8300000 ROD ANTENNA PH-PR83 1
5 MR5R8309000000 DAIL POINTER 1
6 MR5R8330000000 POINTER BRACKET 1
7 MR5R8324000000 TUNING DRUM GEAR 1
8 MR5R8323000000 TUNING DRUM 1
9 MR5R83040K1000 BATTERY DOOR 1
10 MR158000230009 AC SOCKET S-1-1225 VDE APPR 1
11 MR500025100000 COVER FOR AC SOCKET 1
12 MR152302369370 POWER TF.V3023FS/B 230V 1300mA 1
13 MR520522200000 RECORDING PCB BARCKET 1
14 MR217200035050 LEAF SWITCH LS-N35 1
CASS DECKASSY
15 MRCA1642280710 ASSY CASS DECK 1
CD DECK ASSY
16 MRCD1642280710 ASSY CD DECK 1
RECTIFER PWB ASSY
17 MR+16422807XER ASSY PWB RECTIFER 1
RECORDING PWB ASSY
18 MR+16422807XEE ASSY PWB RECORDING 1
CONTROL PWB ASSY
19 MR+16422807XEC ASSY PWB CONTROL 1
TUNER PWB ASSY
20 MR+16422807XET ASSY PWB TUNER 1
MAIN PWB ASSY
21 MR+16422807XEM ASSY PWB MAIN 1
SCHEMATIC DIAGRAM ( TUNER & RECTIFER )
- 3 - - 4 -
SCHEMATIC DIAGRAM ( MAIN 1 & CONTROL & USB )
- 5 - - 6 -
SCHEMATIC DIAGRAM ( MAIN 2 )
- 7 - - 8 -
SCHEMATIC DIAGRAM ( MAIN 3 )
- 9 - - 10 -
SCHEMATIC DIAGRAM ( RECORDING
）
SANYO Electric Co., Ltd.
Osaka, Japan
- 11 - - 12 -
AUG/ ' 09
/