Service Manuals, User Guides, Schematic Diagrams or docs for : Daewoo KOR KOR-867S0S KOR-867S0S
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S/M No. : R867S0S001
Service Manual
Microwave Oven
Model: KOR-867S0S
Caution
: In this Manual, some parts can be changed for improving, their
performance without notice in the parts list. So, if you need the
latest parts information,please refer to PPL(Parts Price List) in
Service Information Center (http://svc.dwe.co.kr).
DAEWOO ELECTRONICS CO., LTD.
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 micro-
wave 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 gen-
erating compartments, check the magnetron, wave guide or transmission line, and cavity for proper align-
ment, 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 per-
formed on each oven prior to release to the owner.
TABLE OF CONTENTS
SAFETY AND PRECAUTIONS ...........................................................................................................................................2
FOR SAFE OPERATION ......................................................................................................................................2
FOR SAFE SERVICE PROCEDURES .................................................................................................................2
SPECIFICATIONS ...............................................................................................................................................................3
EXTERNAL VIEW................................................................................................................................................................4
OUTER DIMENSION.............................................................................................................................................4
FEATURE DIAGRAM ............................................................................................................................................5
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
MEASUREMENT OF THE MICROWAVE POWER OUTPUT ............................................................................21
MICROWAVE RADIATION TEST .......................................................................................................................22
COMPONENT TEST PROCEDURE ...................................................................................................................23
WIRING DIAGRAM............................................................................................................................................................24
PRINTED CIRCUIT BOARD..............................................................................................................................................25
CIRCUIT CHECK PROCEDURE ........................................................................................................................25
PCB CIRCUIT DIAGRAM....................................................................................................................................29
P.C.B. LOCATION NO ........................................................................................................................................30
EXPLODED VIEW AND PARTS LIST...............................................................................................................................32
DOOR ASSEMBLY .............................................................................................................................................32
CONTROL PANEL ASSEMBLY..........................................................................................................................32
TOTAL ASSEMBLY.............................................................................................................................................32
1
SAFETY AND PRECAUTIONS
1. FOR SAFE OPERATION
Damage that allows the microwave energy (that cooks or heats the food) to escape will result in poor cooking and may
cause serious bodily injury to the operator.
IF ANY OF THE FOLLOWING CONDITIONS EXIST, OPERATOR MUST NOT USE THE APPLIANCE.
(Only a trained service personnel should make repairs.)
(1) A broken door hinge.
(2) A broken door viewing screen.
(3) A broken front panel, oven cavity.
(4) A loosened door lock.
(5) A broken door lock.
The door gasket plate and oven cavity surface should be kept clean.
No grease, soil or spatter should be allowed to build up on these surfaces or inside the oven.
DO NOT ATTEMPT TO OPERATE THIS APPLIANCE WITH THE DOOR OPEN.
The microwave oven has concealed switches to make sure the power is turned off when the door is opened.
Do not attempt to defeat them.
DO NOT ATTEMPT TO SERVICE THIS APPLIANCE UNTIL YOU HAVE READ THIS SERVICE MANUAL.
2. FOR SAFE SERVICE PROCEDURES
1. If the oven is operative prior to servicing, a microwave emission check should be performed prior to servicing the
oven.
2. If any certified oven unit is found to servicing, a microwave emission check should be performed prior to servicing the
oven.
(a) inform the manufacturer, importer or assembler,
(b) repair the unit at no cost to the owner,
(c) attempt to ascertain the cause of the excessive leakage,
(d) tell the owner of the unit not to use the unit until the oven has been brought into compliance.
3. If the oven operates with the door open, the service person should tell the user not to operate the oven and contact
the manufacturer immediately.
IMPORTANT
The wire in this mains lead coloured in accordance with the following code.
Green-and-yellow : Earth
Blue : Neutral
Brown : Live
As the colours of the wires in the manins lead of this appliance may not correspond with the coloured markings
identifying the terminals in your plug, proceed as follows.
The wire which is coloured green-and-yellow must be connected to the terminal in the plug which is marked with
the letter `E', earth symbol or coloured green-and-yellow.
The wire which is coloured blue must be connected to the terminal which is marked with the letter `N' or coloured
black.
The wire which is coloured brown must be connected to the terminal which is marked with the letter `L' or
coloured red.
NOTE :
The oven is designed for counter-top use only.
2
SPECIFICATIONS
MODEL KOR-867S0S
POWER SUPPLY 230V~50Hz, SINGLE PHASE WITH EARTHING
POWER CONSUMPTION MICROWAVE 1350 W
MICROWAVE ENERGY OUTPUT 900W
MICROWAVE FREQUENCY 2450MHz
OUTSIDE DIMENSIONS (W X H X D) 495 x 294 x 410 mm
CAVITY DIMENSIONS (W X H X D) 320 x 228 x 338 mm
NET WEIGHT Approx. 15 kg (33.1 Ibs.)
TIMER 60 min.
FUNCTION SELECTIONS MICROWAVE
POWER SELECTIONS 5 LEVELS
CAVITY VOLUME 0.9 Cu. Ft.
* SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.
3
EXTERNAL VIEW
1. OUTER DIMENSION
4
2. FEATURE DIAGRAM
2 1 4 6
M/W SENSOR DEF. TIME g/CUP
BAKED POTATO
REHEAT
FROZEN
VEGETABLE
FRESH
START/
VEGETABLE
EASY COOK
AUTO COOK MENU CANCEL
1.BEVERAGE
2.CASSEROLE
7
3.CHICKEN PIECE
4.FISH FILLETS
5.SOUP
6.FROZEN ROLL/MUFFIN
7.FRESH ROLL/MUFFIN
POWER
AUTO COOK
ight / Timer
We
DEFROST
CLOCK
3 9 0 5
8
q
1. DOOR SEAL
Door seal maintains the microwave within the oven cavity and prevents microwave leakage.
2. DOOR HOOK
When the door is closed, it will automatically lock shut. If door is opened while oven is operating, magnetron tube will
immediately stop operating.
3. DOOR SCREEN
Allows viewing of food. Microwave cannot pass through perforations in screen.
4. SPATTER SHIELD
Protects the microwave outlet from splashes of cooking foods.
5. OVEN LAMP
Automatically turns on during oven operating.
6. SAFETY INTERLOCK SYSTEM
7. CONTROL PANEL
8. GLASS COOKING TRAY
Made of special heat resistant glass. The tray must always be in proper position before operating. Do not cook food
directly on the tray.
9. OVEN FRONT PLATE
10. COUPLER
This fits over the shaft in the center of the ovens cavity floor. This is to remain in the oven for all cooking.
11. ROLLER GUIDE
Supports the glass cooling tray.
5
3. CONTROL PANEL
1
M/W SENSOR DEF. TIME lb/CUP/rolls
BAKED POTATO
9
REHEAT
5
FROZEN
VEGETABLE
FRESH
START/
VEGETABLE
EASY COOK
AUTO COOK MENU CANCEL
6
1.BEVERAGE
2.CASSEROLE
3.CHICKEN PIECE
4.FISH FILLETS
5.SOUP
6.FROZEN ROLL/MUFFIN
7.FRESH ROLL/MUFFIN
POWER
3 AUTO COOK
ight / Time
4
We
DEFROST
2 8
CLOCK
7
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