Daewoo KOG-374R0S Microwave Oven User Manual


 
11
PRECAUTIONS TO BE OBSERVED BEFORE AND
DURING SERVICING TO AVOID POSSIBLE EXPOSURE
TO EXCESSIVE MICROWAVE ENERGY
(a) Do not operate or allow the oven to be operated with the door open.
(b) Make the following safety checks on all ovens to be serviced before activating the magnetron or
other microwave source, and make repairs as necessary: (1) Interlock operation, (2) Proper door
closing, (3) Seal and sealing surfaces (arcing, wear, and other damage), (4) Damage to or
loosening of hinges and latches, (5) Evidence of dropping or abuse.
(c) Before turning on power to the microwave oven for any service test or inspection within the
microwave generating compartments, check the magnetron, wave huide or transmission line, and
cavity for proper alignment, integrity, and connections.
(d) Any defective or misadjusted components in the interlock, monitor, door seal, and microwave
generation and transmission systems shall be repaired, replaced, or adjusted by procedures
described in this manual before the oven is released to the owner.
(e) A microwave leakage check to verify compliance with the Federal Performance Standard should
be performed on each oven prior to release to the owner.
TABLE OF CONTENTS
SAFETY AND PRECAUTIONS..................................................................................................................................2
1. FOR SAFE OPERATION .....................................................................................................................2
2. FOR SAFE SERVICE PROCEDURES ................................................................................................2
SPECIFICATIONS......................................................................................................................................................3
EXTERNAL VIEW ......................................................................................................................................................4
1. OUTER DIMENSION............................................................................................................................4
2. FEATURE DIAGRAM...........................................................................................................................6
3. CONTROL PANEL .............................................................................................................................12
INSTALLATION .......................................................................................................................................................19
OPERATIONS AND FUNCTIONS ...........................................................................................................................20
DISASSEMBLY AND ASSEMBLY..........................................................................................................................21
INTERLOCK MECHANISM AND ADJUSTMENT ...................................................................................................43
TROUBLE SHOOTING GUIDE................................................................................................................................45
MEASUREMENT AND TEST...................................................................................................................................49
1. MEASUREMENT OF THE MICROWAVE POWER OUTPUT ...........................................................49
2. MICROWAVE RADIATION TEST ......................................................................................................50
3. COMPONENT TEST PROCEDURE..................................................................................................51
WIRING DIAGRAM ..................................................................................................................................................52
PRINTED CIRCUIT BOARD ............................................................................................................54, 60, 66, 72, 77
1. CIRCUIT CHECK PROCEDURE ...............................................................................55, 61, 67, 73, 78
2. PCB CIRCUIT DIAGRAM...........................................................................................57, 63, 69, 75, 80
3. P.C.B. LOCATION NO. ..............................................................................................58, 64, 70, 76, 81
EXPLODED VIEW AND PARTS LIST.....................................................................................................................83
1. DOOR ASSEMBLY ............................................................................................................................83
2. CONTROL PANEL ASSEMBLY.........................................................................................................83
3. TOTAL ASSEMBLY............................................................................................................................83