Daewoo KOR-180A2A Service Manual

Daewoo KOR-180A2A Service Manual Manual pdf 2 page image

2PRECAUTIONS TO BE OBSERVED BEFORE ANDDURING SERVICING TO AVOID POSSIBLEEXPOSURE 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 othermicrowave source, and make repairs if 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 andlatches (5) Evidence of dropping or abuse.(c) Before turning on power to the microwave oven for any service test or inspection within the microwavegenerating compartments, check the magnetron, wave guide or transmission line, and cavity for properalignment, integrity, and connections.(d) Any defective or misadjusted components in the interlock, monitor, door seal and microwavegeneration and transmission systems shall be repaired, replaced, or adjusted by procedures describedin this manual before the oven is released to the owner.(e) A microwave leakage check to verify compliance with the Federal performance standard should beperformed on each oven prior to release to the owner.TABLE OF CONTENTSSAFETY AND PRECAUTIONS........................................................................................................................................3FOR SAFE OPERATION ...........................................................................................................................................3FOR SAFE SERVICE PROCEDURES .....................................................................................................................3SPECIFICATIONS ............................................................................................................................................................4EXTERNAL VIEW .............................................................................................................................................................5OUTER DIMENSION .................................................................................................................................................5FEATURE DIAGRAM.................................................................................................................................................6CONTROL PANEL .....................................................................................................................................................7INSTALLATION ..............................................................................................................................................................10OPERATIONS AND FUNCTIONS .................................................................................................................................11DISASSEMBLY AND ASSMBLY...................................................................................................................................12INTERLOCK MECHANISM AND ADJUSTMENT.........................................................................................................19TROUBLE SHOOTING GUIDE ......................................................................................................................................20MESUREMENT AND TEST............................................................................................................................................24MEASUREMENT OF THE MICROWAVE POWER OUTPUT................................................................................24MICROWAVE RADIATION TEST ...........................................................................................................................25COMPONENT TEST PROCEDURE .......................................................................................................................26WIRING DIAGRAM.........................................................................................................................................................27PRINTED CIRCUIT BOARD...........................................................................................................................................28CIRCUIT CHECK PROCEDURE.............................................................................................................................28PCB CIRCUIT DIAGRAM ........................................................................................................................................31P.C.B. LOCATION NO. ............................................................................................................................................32EXPLODED VIEW AND PARTS LIST ...........................................................................................................................33DOOR ASSEMBLY ..................................................................................................................................................33CONTROL PANEL ASSEMBLY ..............................................................................................................................33TOTAL ASSEMBLY .................................................................................................................................................33