FOREWORD
Read this Manual carefully. Failure to adhere to or observe the information in this Manual may result in exposing
yourself to the Microwave Energy normally contained within the oven cavity.
MODEL 721.80402
721.80409
721.80404
721.80403
TABLE OF CONTENTS
(Page)
SAFETY PRECAUTIONS ................................................................................................................Inside front page
SPECIFICATIONS ................................................................................................................................................ 1-1
CAUTIONS ........................................................................................................................................................... 2-1
INSTALLATIONS .................................................................................................................................................. 3-1
OPERATING INSTRUCTIONS............................................................................................................................. 4-1
CONTROL PANEL ............................................................................................................................................... 4-1
CONTROL PANEL INSTRUCTIONS.................................................................................................................... 4-2
OVERALL CIRCUIT DIAGRAM ............................................................................................................................ 5-1
SCHEMATIC DIAGRAM (I)................................................................................................................................... 5-1
SCHEMATIC DIAGRAM (II).................................................................................................................................. 5-2
MATRIX CIRCUIT FOR TOUCH KEY BOARD .................................................................................................... 5-3
GENERAL INFORMATION FOR SERVICE ......................................................................................................... 6-1
GENERAL PRECAUTIONS IN USE .................................................................................................................... 6-1
TRIAL OPERATION ............................................................................................................................................. 6-1
FEATURES AND SPECIFICATIONS FEATURES ............................................................................................... 6-1
SERVICE INFORMATION .................................................................................................................................... 7-1
PRECAUTIONS AND REPAIR SERVICE TIPS ................................................................................................... 7-1
MICROWAVE LEAKAGE TEST ........................................................................................................................... 7-2
POWER OUTPUT MEASUREMENT.................................................................................................................... 7-3
DISASSEMBLY INSTRUCTIONS ........................................................................................................................ 7-4
INTERLOCK SYSTEM ....................................................................................................................................... 7-12
INTERLOCK CONTINUITY TEST ...................................................................................................................... 7-14
TEST AND CHECKOUT PROCEDURES AND TROUBLESHOOTING............................................................. 7-15
A. TEST PROCEDURES .................................................................................................................................... 7-15
B. CHECKOUT PROCEDURES ......................................................................................................................... 7-20
C. TROUBLESHOOTING ................................................................................................................................... 7-22
EXPLODED VIEW ................................................................................................................................................ 8-1
PART REFERENCE LIST .................................................................................................................................... 9-1
Summary of Contents for 721.80402400
Page 11: ...5 3 MATRIX CIRCUIT FOR TOUCH KEY BOARD KEY MATRIX...
Page 37: ...8 2 DOOR PARTS II 1005 1000 1002 1006 1011 1007 1009 1004 W109 1381 1008 EV...
Page 38: ...8 4 CONTROLLER PARTS II 2004 2381 2008 2006 W106 MBM2 EV...
Page 40: ...8 6 LATCH BOARD PARTS 4001 W111 W102 4000 4002 4003 4002 4004 EV...
Page 43: ...8 10 INSTALLATION PARTS 6008 W109 6011 6010 VINYL BAG 6009 EV...