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CAUTION
BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Website http://biz.lgservice.com
MICROWAVE OVEN
SERVICE MANUAL
MODEL: MV-1345S
P/NO : 3828W5S0439
April, 1997
Printed in Korea
- 1 -
Rated Power Consumption
----------------------------------
1350W maximum (Microwave oven only)
1460W maximum (Microwave oven+Cook top lamps+Ventilation fan)
Microwave Output
------------------------------------------------
900W (IEC60705 TEST PROCEDURE)
Adjustable 90W through 900W, 10 steps
Frequency
---------------------------------------------------------
2450 MHz ± 50 MHz
Power Supply
---------------------------------------------------
120V ± 12V AC, 60 Hz
Rated Current
---------------------------------------------------
11.9 Amp. (Microwave oven only)
12.9 Amp. (Microwave oven+Cook top lamps+Ventilation fan)
Magnetron Cooling
--------------------------------------------
Forced Air Cooling
Microwave Stirring
---------------------------------------------
Dual Dirstribution System
Rectification
------------------------------------------------------
Rectification Voltage Double Half-Wave
Door Sealing
-----------------------------------------------------
Choke System
Safety Devices
--------------------------------------------------
Magnetron Thermostat:
Open at 109°C ± 4°C
Oven Cavity Thermostat:
Open at 110°C ± 50°C
Close at below 0°C
Fuse(20A)
Primary Interlock Switch
Secondary Interlock Switch
Interlock Monitor
Magnetron
--------------------------------------------------------
2M214 - 5129
High Voltage Capacitor
--------------------------------------
Capacitor: 0.91µF, 2.1 KV AC
High Voltage Diode
-------------------------------------------
Diode; 350mA, 9.0 KV
Cook top Lamp
-------------------------------------------------
125 V, 30 W
Cavity Lamp
-----------------------------------------------------
125 V, 30 W
Timer
---------------------------------------------------------------
Digital, up to 99 mim. 99 sec. (in each cooking stage)
Tray
-----------------------------------------------------------------
Tempered Safety Glass
Overall Dimensions
-------------------------------------------
29
15
/
16
"(W)x16
7
/
16
"(D)x15
3
/
8
"(H)
Oven Cavity Size
----------------------------------------------
19"(W)x8
9
/
16
"(D)x14
5
/
8
"(H)
Effective Capacity of Oven Cavity
-----------------------
1.3 Cu.ft.
Accessories
------------------------------------------------------
Owner’s Manual & Cooking Book, Installation Manual,
Temperature Probe, Metal Rack, Exhaust Adapter, Exhaust
Damper, Mounting Kit and Two filters, Ratating Ring Assembly.
SWITCH CHART
NOTE: Use the above switch chart with circuit diagram on page 2.
SPECIFICATIONS
SWITCH MODE
CONDITIONS
DOOR OPEN
DOOR CLOSE
NORMAL
CYCLE
WITHOUT
TEMP. PROBE
WITH
TEMP. PROBE
•
•
•
•
•
•
•
PRIMARY
INTERLOCK
SWITCH
COM
NO
COM
NO
COM
NO
SECONDARY
INTERLOCK
SWITCH
INTERLOCK
MONITOR
SWITCH
- 2 -
OVERALL CIRCUIT DIAGRAM
SCHEMATIC DIAGRAM
- 3 -
MATRIX CIRCUIT FOR TOUCH KEY BOARD
- 4 -
OVEN CONTROL PANEL
- 5 -
EXPLODED VIEW
DOOR PARTS
13581A
14970A
14890A
13720D
13650A
14026A
13213A
13536A
13552A
WTT024
#EV#
- 6 -
CONTROLLER PARTS
23572A
23506A
24810P
268711
24781M
*07
WTP018
#EV#
34960A
34810G
33112U
WTT028
WTT028
WTT028
WTT028
WTT021
33550P
WTT029
WTT021
*01
*02
*04
34810Q
63303A
34890C
34810T
35230A
368771
56804A
56912B
WTT022
35230A
63302A
WTT022
34810B
34930R
35026G
WTT021
33530A
34810F
35068A
- 7 -
OVEN CAVITY PARTS
#EV#
- 8 -
43500A
43501A
WSZ085
466001
466003
466001
44510A
LATCH BOARD PARTS
#EV#
- 9 -
INTERIOR PARTS (I)
33390G
34370T
35889A
55892A
54930F
53551S
340511
56851D
WNZ016
WSZ002
WSZ002
WWZ043
WTP013
36549S
54810C
WTT021
50CZZH
568772
53300B
WTT021
55238A
56930M
WTP004
WSZ137
WTT021
56170D
56324A
WSZ002
#EV#
36549V
948501
56912B
53550L
55231C
WTT033
WTP004
WSZ002
568773
56549F
56804A
WTP013
WTT027
WTT028
56930V
349301
349301
56901A
56549B
WTT028
349302
WSZ002
55900A
568771
50FZZA
WSZ002
56201A
56501A
WTP004
55262A
56411A
- 10 -
INTERIOR PARTS (II)
#EV#
- 11 -
INSTALLATION PARTS
VINYL
BAG
63861A
65862D
65862B
63300M
#EV#
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