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LRMM1430SB DOOR LATCH 0-1/64 LATCH BOARD A, Primary Interlock Switch, Latch B, b
Models:
LRMM1430SB
LRMM1430SW
1
5
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Troubleshooting
Specifications
R,S Service Parts
Parts list
Switch Chart
Wire
Problems
Disassembly Instructions
Adjustment Procedures
KITCHEN TIMER Key Used as a kitchen timer 13 POWER Key
Page 5
Image 5
DOOR LATCH
0-1/64"
LATCH BOARD
(A)
LATCH BOARD
SECONDARY
INTERLOCK
SWITCH
MONITOR
INTERLOCK
SWITCH
PRIMARY
INTERLOCK
SWITCH
Figure
1-a
LATCH
(B)
0-1/64"
Figure
1-b
-4-
Page 4
Page 6
Page 5
Image 5
Page 4
Page 6
Contents
SERVICE MANUAL
BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL
MICROWAVE OVEN
MODEL LRMM1430SW LRMM1430SB
WARNING TO SERVICE TECHNICIANS
PRECAUTIONS TO BE OBSERVED BEFORE
MODEL LRMM1430SW LRMM1430SB
TABLE OF CONTENTS
FOREWORD
ONLY AUTHORIZED SERVICE PERSONNEL SHOULD MAKE THIS ADJUSTMENT
1. ADJUSTMENT PROCEDURES
CHECK THE DOOR LATCH AND SWITCH CLOSINGS
TEST THE MICROWAVE ENERGY LEAKAGE
PRIMARY INTERLOCK SWITCH
LATCH BOARD SECONDARY INTERLOCK SWITCH MONITOR INTERLOCK SWITCH
DOOR LATCH 0-1/64 LATCH BOARD A
LATCH B
5. FEATURES AND SPECIFICATIONS
2. PRECAUTIONS ON INSTALLATION
3. GENERAL PRECAUTIONS IN USE
4. TRIAL OPERATION
SWITCH CHART
SPECIFICATIONS
6. OVERALL CIRCUIT DIAGRAM A. SCHEMATIC DIAGRAM
B. MATRIX CIRCUIT FOR TOUCH KEY BOARD
7. OPERATING PROCEDURES A. CONTROL PANEL
B. PANEL INSTRUCTIONS Figure
12 KITCHEN TIMER Key Used as a kitchen timer 13 POWER Key
1 Display Window
2 SENSOR COOK key
2 “HI-POWER” COOKING
C. EASY USE CHART 1 CLOCK
9 KITCHEN TIMER
3 “MULTI-STAGE” COOKING
A. CAUTIONS
8. PROCEDURE FOR MEASURING MICROWAVE ENERGY LEAKAGE
EQUIPMENT
B. MEASURING MICROWAVE ENERGY LEAKAGE
SPECIAL TIP
E. NOTE WHEN MEASURING
D. MEASUREMENT WITH A FULLY ASSEMBLED OVEN
F. RECORD KEEPING AND NOTIFICATION AFTER MEASUREMENT
B. DOOR ASSEMBLY REMOVAL Figure
9. DISASSEMBLY INSTRUCTIONS
IMPORTANT NOTES
A. REMOVING OUT CASE Figure
Disconnect the lead wires
WIRE
C. REMOVING CONTROL CIRCUIT BOARD Figure
D. SEPARATE CAVITY AND BASE PLATE Figure
G. SENSOR DUCT REMOVAL Figure
F. POWER BOARD AND INVERTER MODULE AND SUCTION GUIDE Figure
E. AIR GUIDE REMOVAL Figure
I. REMOVING THE TURNTABLE MOTOR
H. MAGNETRON REMOVAL
0.5 mm. 1/64 inch
J. FAN MOTOR ASSEMBLY REMOVAL
K. INTERLOCK SYSTEM
B. SECONDARY INTERLOCK SWITCH TEST
A. PRIMARY INTERLOCK SWITCH TEST
C. MONITOR SWITCH TEST
TEST PROCEDURE
A. TEST PROCEDURES
11. TEST AND CHECKOUT PROCEDURES, AND TROUBLESHOOTING
TEST PROCEDURE
CAUTIONS
COMPONENTS
TEST PROCEDURE
RESULTS
Antenna
Relay
TEST PROCEDURE
COMPONENTS
RESULTS
CAUSES
B. CHECKOUT PROCEDURES
PROBLEMS
2 CHECKOUT PROCEDURES FOR RELAY
3 The unit with a normal relay continuously operates
CAUTIONS
C. TROUBLE SHOOTING
CONDITION
CAUSE
CHECK
CONDITION
RESULT
CAUSE
CHECK
CONDITION
RESULT
CAUSE
CHECK
CONDITION
RESULT
CAUSE
CONDITION
NOTE Make sure the wire leads correct position
CHECK
RESULT
INTRODUCTION
EXPLODED VIEW
15006A
DOOR PARTS
13552A
13536A
WTP002 13551A 268711 23506A
CONTROLLER PARTS
WSZ185 33112U
OVEN CAVITY PARTS
33052A
WTT022 Model LRMM 1430SW W107 Model LRMM 1430SB 33390G 35889A
WSZ085 43500A
LATCH BOARD PARTS
43501A 466001 466003 466001
WTT021 WTT028 56501A 54974T 56930V 56912B 56324A WSZ002 43500A
OVEN INTERIOR PARTS
WTT028 WTT028 268712 WTT028 35264A 568772
BASE PLATE PARTS
56411A 56851H 568771 WTT021 WSZ002 56549F WTT034 WTT028 568711
54974S
FOR MODEL LRMM1430SB
REPLACEMENT PARTS LIST
DESCRIPTION
R,S SERVICE PARTS
ALTER
WTP002
FOR MODEL LRMM1430SW
DESCRIPTION
R,S SERVICE PARTS
ALTER
WTP002
SCHEMATIC DIAGRAM OF P.C.B
KEY PCB MAIN PCB
PRINTED CIRCUIT BOARD
P.C.B. PARTS LIST
DESCRIPTION
0IZZW5A191B
Printed in Korea
P/NO 3828W5S3066