Daewoo KOR-631R0S, Service Manual

Page: 2 / 38

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 .................................................................................................................... 5
3. CONTROL PANEL ........................................................................................................................ 6
INSTALLATION ................................................................................................................................... 7
OPERATIONS AND FUNCTIONS....................................................................................................... 8
DISASSEMBLY AND ASSEMBLY...................................................................................................... 9
INTERLOCK MECHANISM AND ADJUSTMENT............................................................................... 16
TROUBLE SHOOTING GUIDE ........................................................................................................... 17
MEASUREMENT AND TEST .............................................................................................................. 21
1. MEASUREMENT OF THE MICROWAVE POWER OUTPUT ...................................................... 21
2. MICROWAVE RADIATION TEST ................................................................................................. 22
3. COMPONENT TEST PROCEDURE ............................................................................................. 23
WIRING DIAGRAM.............................................................................................................................. 24
PRINTED CIRCUIT BOARD................................................................................................................ 25
1. CIRCUIT CHECK PROCEDURE .................................................................................................. 25
2. P.C.B. CIRCUIT DIAGRAM........................................................................................................... 29
3. P.C.B. LOCATION NO .................................................................................................................. 30
EXPLODED VIEW AND PARTS LIST................................................................................................. 32
1. DOOR ASSEMBLY ....................................................................................................................... 32
2. CONTROL PANEL ASSEMBLY.................................................................................................... 32
3. TOTAL ASSEMBLY....................................................................................................................... 32
(a) Do not operate or allow the oven to be operated with the door open.
(b) M ake the following safety checks on all ovens to be serviced before activating the m agnetron or other m icrow ave
source, and m ake repairs as necessary: (1) Interlock operation, (2) Proper door closing, (3) Seal and sealing
surfaces (arcing, wear, and other dam age), (4) Dam age to or loosening of hinges and latches, (5) Evidence of
dropping or abuse.
(c) B efore turning on power to the m icrowave oven for any service test or inspection within the m icrow ave
generating com partm ents, check the m agnetron, wave guide or transm ission line, and cavity for proper
alignm ent, integrity, and connections.
(d) Any defective or m isadjusted com ponents in the interlock, m onitor, door seal, and m icrowave generation and
transm ission system s shall be repaired, replaced, or adjusted by procedures described in this m anual before the
oven is released to the owner.
(e) A m icrowave leakage check to verify com pliance with the Federal perform ance standard should be perform ed on
each oven prior to release to the owner.
PRECAUTIONS TO BE OBSERVED BEFORE AND
DURING SERVICING TO AVOID POSSIBLE
EXPOSURE TO EXCESSIVE MICROWAVE ENERGY