Daewoo KOC-984T2S13 Service Manual

DAEWOO ELECTRONICS CO., LTD.

686, AHYEON-DONG MAPO-GU SEOUL, KOREA C.P.O. BOX 8003 SEOUL, KOREA

TELEX: DWELEC K28177-8

CABLE: “DAEWOOELEC”

FAX: 02) 82-2-360-7877

TEL: 02) 82-2-360-7114

S/M NO. : C984T2S131

PRINTED DATE: Aug. 2000

S/M NO. : C984T2S131

Service Manual

Microwave Oven

Model: KOC-984T2S13

DAEWOO ELECTRONICS CO., LTD. http://svc.dwe.co.kr

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 guide 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
SPECIFICATIONS ...............................................................................................................................................................	3
EXTERNAL VIEW................................................................................................................................................................	4
1. OUTER DIMENSION ............................................................................................................................................	4
2. FEATURE DIAGRAM ...........................................................................................................................................	5
INSTALLATION ...................................................................................................................................................................	6
EARTHING INSTRUCTIONS...............................................................................................................................................	6
CONTROL PANEL ..............................................................................................................................................................	7
DISASSEMBLY AND ASSEMBLY......................................................................................................................................	8
INTERLOCK MECHANISM AND ADJUSTMENT.............................................................................................................	17
TROUBLE SHOOTING GUIDE .........................................................................................................................................	18
MEASUREMENT AND TEST ............................................................................................................................................	24
1. MEASUREMENT OF THE MICROWAVE POWER OUTPUT............................................................................	24
2. ELECTRICAL CONTINUITY CHECK OF INTERLOCK SWITCH ......................................................................	25
3. MICROWAVE RADIATION TEST.......................................................................................................................	26
4. COMPONENT TEST PROCEDURE ..................................................................................................................	27
WIRING DIAGRAM............................................................................................................................................................	28
SCHEMATIC DIAGRAM....................................................................................................................................................	29
EXPLODED VIEWS AND PARTS LIST ............................................................................................................................	32
PRINTED WIRING BOARD ...............................................................................................................................................	35
P.C.B CIRCUIT DIAGRAM ................................................................................................................................................	40

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.

(1)inform the manufacturer, importer or assembler,

(2)repair the unit at no cost to the owner,

(3)attempt to ascertain the cause of the excessive leakage,

(4)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

@@@@@@@@e?@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@

@@h?	@@
@@h?	@@
@@h?	@@
@@h?	@@
@@h?	@@
@@h?	@@

@@@@@@@@

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 mains 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.

@@@@@@@@@@

@@g		?@@
@@g		?@@
@@g		?@@
@@g		?@@
@@g		?@@
@@g		?@@
@@@@@@@@	?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@	?@@@@@@@@
@@@@@@@@	?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@	?@@@@@@@@

@@h?		@@
@@h?		@@
@@h?		@@
@@h?		@@
@@h?		@@
@@h?		@@
@@	NOTE : This oven is designed for counter-top use only.	@@
@@@@@@@@@@@@@@	NOTE : This oven is designed for counter-top use only.	@@@@@@@@@@@@@@
@@g		?@@
@@g		?@@
@@g		?@@
@@g		?@@
@@g		?@@
@@g		?@@
@@@@@@@@	?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@	?@@@@@@@@
@@@@@@@@	?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@	?@@@@@@@@

SPECIFICATIONS

MODEL		KOC-984T2S13

POWER SUPPLY		240V-50Hz

	MICROWAVE	1450 W

	GRILL	1200W

POWER CONSUMPTION	CONVECTION	1550W

	PROGRAM COOK	1850W

	COMBINATION	1550W	(Sequential)

MICROWAVE ENERGY OUTPUT		1000W	(IEC705)

MICROWAVE FREQUENCY		2450MHz

OUTSIDE DIMENSIONS (W X H X D)		526 X 345 X 496 mm (20.7 X 13.6 X 19.5 inch)

CAVITY DIMENSIONS (W X H X D)		335 X 250 X 339 mm (13.2 X 9.8 X13.3 inch)

NET WEIGHT		Approx. 21 kg (46.3 Ibs.)

TIMER		60 minutes

FUNCTION SELECTIONS		MICROWAVE / GRILL / CONVECTION / COMBI

M/W POWER SELECTIONS		10 LEVELS

CAVITY VOLUME		1.0 Cu.Ft.

* Specifications are subject to change without notice.

EXTERNAL VIEW

1. OUTER DIMENSION

320	345
350	234
526	496

2. FEATURE DIAGRAM

1Door seal—Door seal maintains the microwave energy within the oven cavity and prevents microwave leakage.

2Door hook—When the door is closed, it will automatically shut. If the door is opened while the oven is operating, the magnetron will immediately stop operating.

3Door viewing screen—Allows viewing of food. The screen is designed so that light can pass through, but not the microwave.

4Top heater—Turn on when convection, grill and combi cooking is selected.

5Oven lamp—Automatically turns on during oven operating.

6Safety interlock system

7Control panel

8Turntable tray—Rotates during cooking and ensure even distribution of Microwaves. It can also be used as a cooking utensil.

9Oven front plate

0Rotating base—This fits over the shaft in the center of the ovens cavity floor. This is to remin in the oven for all cooking. It should only be removed for cleaning.

qUnder heater wMetal rack

eConvection outlet & Fan

INSTALLATION

1.Steady, flat location

This microwave oven should be set on a steady, flat surface. This microwave oven is designed for counter top use only.

2.Leave space behind and side

All air vents should be kept a clearance. If all vents are covered during operation, the oven may overheat and, eventually, cause failure.

3.Away from Radio and TV sets

Poor television reception and radio interference may result if the oven is located close to a TV, Radio, antenna or feeder and so on.

Position the oven as far from them as possible.

4.Away from heating appliances and water taps

Keep the oven away from hot air, steam or splash when choosing a place to position it, or the insulation might be adversely affected and breakdowns occur.

5.Power supply

•Check your local power source. This microwave oven requires a current of approximately 10 amperes, 240V, 50Hz.

•Power supply cord is about 1.8 meters long.

•The voltage used must be the same as specified on this oven. Using a higher voltage may result in a fire or other accident causing oven damage. Using low voltage will cause slow cooking. We are not responsible for damage resulting from use of this oven with a voltage of ampere fuse other than those specified.

•This appliance is supplied with cable of special type, which, if damaged, must be repaired with cable of same type.

•Such a cable can be purchased from DAEWOO and must be installed by a Qualified Person.

6.Examine the oven after unpacking for any damage such as:

A misaligned door, broken door or a dent in cavity.

If any of the above are visible, DO NOT INSTALL, and notify dealer immediately.

7.Do not operate the oven if it is colder than room temperature.

(This may occur during delivery in cold weather.) Allow the oven to become room temperature before operating.

EARTHING INSTRUCTIONS

This appliance must be earthed. In the event of an electrical short circuit, earthing reduces the risk of the electric shock by providing an escape wire for the electric current. This appliance is equipped with a cord having a earthing wire with a earthing plug. The plug must be plugged into an outlet that is properly installed and earthed.

@@h?	@@
@@h?	@@
@@h?	@@
@@h?	@@
@@h?	@@
@@h?	@@

	WARNING
	Improper use of the earthing plug can result in a risk of electric shock.
	Consult a qualified electrician of serviceman if the earthing instructions are not completely understood, or if doubt
	exists as to whether the appliance is properly earthed, and either:
	If it is necessary to use an extension cord, use only a 3-wire extension cord that has a 3-blade earthing plug, and a
	3-slot receptacle that will accept the plug on the appliance.
	The marked rating of the extension cord should be equal to or greater than the electrical rating of the appliance, or
	Do not use an extension cord.
@@g	?@@
@@g	?@@
@@g	?@@
@@g	?@@
@@g	?@@
@@g	?@@
@@@@@@@@	?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@ ?@@@@@@@@
@@@@@@@@	?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@ ?@@@@@@@@

CONTROL PANEL

When blinking, the oven is					When binking, the oven is
operating in “COMBI” cook-					operating in “WEIGHT
ing mode.					DEFROST” cooking mode.
When blinking, the oven is					When blinking, the oven is
operating in “GRILL” cook-					operating in “TIME
ing mode.					DEFROST” cooking mode.
				DEFROST
When blinking, the oven is	MW	GRILL	COMBI	WEIGHT - TIME	When blinking, the oven is
When blinking, the oven is					When blinking, the oven is
operating in “MICROWAVE”					operating in weight input
cooking mode.					mode.
When blinking, the oven is	PROGRAM PIE		TEMP	KG
When blinking, the oven is	COOK		COOK		Temperature Button(pad)-
operating in “PROGRAM					Temperature Button(pad)-
operating in “PROGRAM					Used to set desired tempera-
COOK” cooking mode.					Used to set desired tempera-
COOK” cooking mode.					ture. If this button is pressed
					ture. If this button is pressed
When Blinking, the oven is	M/W		DEFROST	PIE	for more than 1.3 sec, number
	M/W		DEFROST	PIE	is scrolled up automatically.
					is scrolled up automatically.
operating in “PIE” cooking
mode.
When blinking, the oven is	GRILL		COMBI	TEMP
When blinking, the oven is
operating in “CONVEC-
TION” cooking mode.
					Function Buttons(pads)-
Microwave Power Level-	PROGRAM COOK				Used select desired cooking
Microwave Power Level-					function
Used to select the variable	1. ROAST BEEF				• M/W : MICROWAVE
microwave power level. If	2. ROAST PORK				• GRILL
this button(pad) is pressed	3. ROAST CHICKEN				• DEFROST : TIME or
for more than 1.3 sec, num-	4. FISH FILLET				WEIGHT DEFROST
ber is scrolled up automati-	5. VEGETABLE				• TEMP : CONVECTION
ber is scrolled up automati-					• TEMP : CONVECTION
cally.					• COMBI : COMBINATION
		SPEEDY COOK			• PIE
		SPEEDY COOK			• PROGRAM COOK
					• PROGRAM COOK
			+		Speedy Cook Button(pad)-
					Speedy Cook Button(pad)-
					Used to program quickly
Dial Knob-					cooking time in 30 sec incre-
Used to input the cooking	_				ments.
time and weight.
	STOP/CLEAR			START/CLOCK
Stop/Clear Button-					Start/Clock Button-
Used to pause and clear all					Used to start the selected
information manually put					cooking cycle and to set time.
into the oven.
			7

DISASSEMBLY AND ASSEMBLY

Cautions to be observed when trouble shooting.

Unlike many other appliances, the microwave oven is high-voltage, high-current equipment. It is completely safety during normal operation.

However, carelessness in servicing the oven can result in an electric shock or possible danger from a short circuit. You are asked to observe the following precautions carefully.

1.Always remove the power plug from the outlet before servicing.

2.Use an insulated screwdriver and ware rubber gloves when servicing the high voltage side.

3.Discharge the high voltage capacitor before touching any oven components or wiring.

(1)Check the earthed.

Do not operate on a 2-wire extension cord.

The microwave oven is designed to be used when earthed. It is imperative, therefore, to makes sure it is earthed properly before beginning repair work.

(2) Warning about the electric charge in the high voltage capacitor. For about 30 seconds after the operation stopped and electric charge remains in the high voltage capacitor.

When replacing or checking parts, short between oven chassis and the negative high terminal of the high voltage capacitor, by using a properly insulated screwdriver to discharge.

4. When the 12A fuse is blown out due to the operation of the monitor switch; replace primary interlock switch, secondary interlock switch and interlock monitor switch.

5. After repair or replacement of parts, make sure that the screws are properly tightened, and all electrical connections are tightened.

6. Do not operate without cabinet.

@@h?	@@
@@h?	@@
@@h?	@@
@@h?	@@
@@h?	@@
@@h?	@@

	CAUTION : Service personnel should remove their watches whenever working close to or replacing the magnetron.
@@g	?@@
@@g	?@@
@@g	?@@
@@g	?@@
@@g	?@@
@@g	?@@
@@@@@@@@	?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@ ?@@@@@@@@
@@@@@@@@	?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@ ?@@@@@@@@

@@h?	@@
@@h?	@@
@@h?	@@
@@h?	@@
@@h?	@@
@@h?	@@

@@@@@@@@@@@@

WARNING : When servicing the appliance, need a care of touching or replacing high potential parts because of electrical shock or exposing microwave. These parts are as follows - HV Transformer, Magnetron, HV Capacitor, HV Diode.

@@@@@@@@@@

@@g		?@@
@@g		?@@
@@g		?@@
@@g		?@@
@@g		?@@
@@g		?@@
@@@@@@@@	?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@	?@@@@@@@@
@@@@@@@@	?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@	?@@@@@@@@

1.To remove cabinet

1)Remove four screws on cabinet back.

2)Push the cabinet backward.

2.To remove guide wind assembly

1)Remove two screws for earthing and for fixing to rear-plate.

2)Remove the noise filter from the guide wind.

3)Pull the fan from the motor shaft.

4)Remove two screws which secure the motor shaded pole.

5)Remove the motor shaded pole.

6)Reverse the above steps for reassembly.

3.To remove H.V. transformer

1)Remove four screws which secure the H.V. Transformer to the base plate.

2)Remove the H.V. Transformer.

3)Reverse the above steps for reassembly.

4.To remove high voltage capacitor

1)Remove a screw which secure the grounding ring terminal of the H.V. diode and the capacitor holder.

2)Remove the H.V. diode from the capacitor holder.

3)Reverse the above steps for reassembly.

High voltage circuit wiring

5.To remove magnetron

1)Remove three screws which secure the magnetron.

2)Remove the magnetron.

3)Reverse the above steps for reassembly.

@@h?	@@
@@h?	@@
@@h?	@@
@@h?	@@
@@h?	@@
@@h?	@@

@@	CAUTION : Never install the magnetron without the metallic gasket plate which is packed with each magnetron to
@@@@
@@
@@
@@
@@
@@
@@	prevent microwave leakage. Whenever repair work is carried out on magnetron, check the microwave
@@@@
@@
@@
@@
@@
@@
@@	leakage. It shall not exceed 4mW/cm2 for a fully assembled oven with door normally closed.
@@@@@@@@@@@@@@

@@@@@@@@@@@@

@@g

?@@

@@g

?@@

@@g

?@@

@@g

?@@

@@g

?@@

@@g

?@@

@@@@@@@@

?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@?e@@@@@@@@e?@@@@@@@@

?@@@@@@@@

@@@@@@@@

?@@@@@@@@

6. To remove control panel assembly

(1)Remove a screw which secure the control panel assembly to the oven front plate.

At the same time, draw forward the control panel assembly from the oven front plate.

(2) Remove the dial knob.

(3) Remove ten screws which secure the main and sub PCB assembly to control panel.

(4) Remove buttons.

(5) Remove the window display.

B11

B01

B07

B02

B13

B12

B10

B08

B04

B09

B06 B05

B03

REF NO.	PART CODE	PART NAME	DESCRIPTION	Q’TY	REMARK
B01	3516719200	CONTROL-PANEL	ABS XR-401	1

B02	3511602900	DECORATOR C/P *T	STS304 T0.6 H/L	1

B03	3511603000	CEDORATOR C/P *U	STS304 T0.6 H/L	1

B04	3511603110	DECORATOR C-PANEL	PMMA IF-850	1	SMOG

B05	3511602800	DECORATOR RING	ABS XR-401	1	COATING

B06	3513404620	KNOB VOLUME	ABS XR-401	1	COATING

B07	3516905120	BUTTON FUNCTION	ABS XR-401	1	COATING

B08	3516907200	BUTTON FUNCTION	ABS XR-401	1	COATING

B09	3516906320	BUTTON FUNCTION	ABS XR-401	2	COATING

B10	PKBPMSYB00	PCB SUB AS	KOC-984T	1

B11	7621301011	SCREW TAPPING	T2S PAN 3X10 PW MFZN	6

B12	PKMPMSYB10	PCB MAIN AS	KOC-984T2S	1

B13	7121401611	SCREW TAPPING	T2S PAN 4X16 MFZN	4

+ 30 hidden pages