Manuals
/
Kenmore
/
Kitchen Appliance
/
Microwave Oven
Kenmore
721.805934, 721.805944 Overall Circuit Diagram, SCHEMATIC DIAGRAM I *Check the Model No
Models:
721.626444
721.805994
721.626494
721.626424
721.626434
721.805924
721.805934
721.805944
1
9
45
45
Download
45 pages
20.57 Kb
6
7
8
9
10
11
12
13
<
>
Troubleshooting
Specification
Install
Overall Circuit Diagram
Problems
Disassembly Instructions
Adjustment Procedures
Proper temperature measurement is not obtained
How to
Safety Precautions
Page 9
Image 9
OVERALL CIRCUIT DIAGRAM
SCHEMATIC DIAGRAM (I)
*Check the Model No.
5-1
Page 8
Page 10
Page 9
Image 9
Page 8
Page 10
Contents
March
DIVISION BASIC FIELD MANUAL FOR MICROWAVE OVEN
PRECAUTIONS TO BE OBSERVED BEFORE AND
SAFETY PRECAUTIONS
DURING SERVICING TO AVOID POSSIBLE EXPOSURE
TO EXCESSIVE MICROWAVE ENERGY
TABLE OF CONTENTS
FOREWORD
SPECIFICATIONS
MICROWAVE RADIATION
CAUTIONS
MAGNETRON
Gasket
INSTALLATIONS
PRECAUTIONS ON INSTALLATION
GROUNDING INSTRUCTIONS
OPERATING INSTRUCTIONS
CONTROL PANEL
4 5 7 8 10 13 14 16 17 18 20
CONTROL PANEL INSTRUCTIONS
27. Fan
On/Off. Touch this pad to turn the fan on or
SCHEMATIC DIAGRAM I *Check the Model No
OVERALL CIRCUIT DIAGRAM
RY1 O.L RY11 V.M RY14 C.L HIGH RY15 C.L NIGHT RY6
MATRIX CIRCUIT FOR TOUCH KEY BOARD
GENERAL PRECAUTIONS IN USE
GENERAL INFORMATION FOR SERVICE
FEATURES AND SPECIFICATIONS FEATURES
A. Never operate the unit when it is empty
PRECAUTIONS AND REPAIR SERVICE TIPS
SERVICE INFORMATION
CAUTIONS
MICROWAVE LEAKAGE TEST
EQUIPMENT
MEASURING MICROWAVE ENERGY LEAKAGE
NOTE WHEN MEASURING
POWER OUTPUT MEASUREMENT
MEASUREMENT WITH THE OUTER CASE REMOVED
MEASUREMENT WITH A FULLY ASSEMBLED OVEN
IMPORTANT NOTES
DISASSEMBLY INSTRUCTIONS
HOW TO INSERT THE F.P.C. CONNECTOR
HOW TO REMOVE THE F.P.C. CONNECTOR
Figure Figure
Figure Figure
B. REMOVING THE OUT CASEFigure
Latch Board Secondary Interlock Switch Interlock
Monitor Switch Primary Interlock Switch
2Remove two screws securing the Latch Board
D. REMOVING MAGNETRON
F. DISASSEMBLING DOOR Figure
E. REMOVING DOOR Figure
G. ASSEMBLING DOOR
H. REMOVING THE VENTILATION FAN ASSY
Figure Figure
Figure Figure Figure
I. REMOVING THE TURNTABLE MOTOR
ADJUSTMENT PROCEDURES
INTERLOCK SYSTEM
CHECK THE DOOR LATCH AND SWITCH CLOSING
ADJUST THE LATCH AND SWITCH CLOSING
TEST THE MICROWAVE ENERGY LEAKAGE
TEST THE LATCH AND SWITCH SEQUENCE
B. SECONDARY INTERLOCK SWITCH TEST
A. PRIMARY INTERLOCK SWITCH TEST
C. MONITOR SWITCH TEST
INTERLOCK CONTINUITY TEST
A. TEST PROCEDURES
TEST AND CHECKOUT PRECEDURES AND TROUBLESHOOTING
TEST PROCEDURES
CAUTIONS
COMPONENTS
TEST PROCEDURES
RESULTS
Figure 25-a
COMPONENTS
TEST PROCEDURES
RESULTS
Measure the resistance between terminal
PROBLEMS
TEST PROCEDURES
correctly connected Relay
CAUSES
when the door is closed
2 CHECKOUT PROCEDURES FOR RELAY PROBLEM A
Defective RELAY1 Replace RELAY1 PROBLEM B
Oven lamp turn on When the door is closed and
Some of the indicators do no flicker light up
3CHECKOUT PROCEDURES FOR CIRCUIT BOARD
voltage Systems, the interlock switches, the door
Proper temperature measurement is not obtained
C. TROUBLE SHOOTING
2.THERMOSTAT
stages or at end of cooking
1Check 1. POWER SUPPLY 2.FUSE
DOOR PARTS
EXPLODED VIEW
1005 1004 1002 1000 For
1381
FOR MODEL:
CONTROLLER PARTS
721.62643
#EV#
W138 W142 W109
OVEN CAVITY PARTS
W138 W142
3024 3003 05
4000
LATCH BOARD PARTS
4002
W102
3002 W101 3012 5009 W108
INTERIOR PARTS
W105
W108
Model 721.80592401
INTERIOR PARTS
3027
5015
INTERIOR PARTS
Model
3027
5015
6008 W109
INSTALLATION PARTS
VINYL
#EV#
P/NO 3828W5S5158