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S/M No. : R63050S002
Service Manual
Microwave Oven
Model: KOR-63050S
KOR-86050S
KOR-86050N
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 w ith the door open.
(b)M ake the following safety checks on all ovens to be serviced before activating the m agnetron or other microwave source, and m ake repairs as necessary: (1) Interlock operation, (2) Proper door closing, (3) S eal 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 m icrow ave oven for any service test or inspection within the microwave generating com partments, 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 m anual before the oven is released to the ow ner.
(e)A m icrowave leakage check to verify com pliance with the Federal performance standard should be performed on each oven prior to release to the owner.
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SAFETY AND PRECAUTIONS ........................................................................................................ |
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SPECIFICATIONS ............................................................................................................................ |
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EXTERNAL VIEW ............................................................................................................................ |
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1. OUTER DIMENSION ................................................................................................................... |
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2. FEATURE DIAGRAM ................................................................................................................... |
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INSTALLATION ................................................................................................................................ |
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OPERATIONS AND FUNCTIONS ................................................................................................... |
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DISASSEMBLY AND ASSEMBLY .................................................................................................. |
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INTERLOCK MECHANISM AND ADJUSTMENT ........................................................................... |
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TROUBLE SHOOTING GUIDE ........................................................................................................ |
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MEASUREMENT AND TEST ........................................................................................................... |
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1. MEASUREMENT OF THE MICROWAVE POWER OUTPUT ..................................................... |
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2. MICROWAVE RADIATION TEST ................................................................................................ |
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3. COMPONENT TEST PROCEDURE ............................................................................................ |
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WIRING DIAGRAM .......................................................................................................................... |
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EXPLODED VIEW AND PARTS LIST ............................................................................................. |
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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 w ire in this m ains lead coloured in accordance w ith the follow ing code.
Green-and-yellow |
: Earth |
Blue |
: N eutral |
Brow n |
: Live |
As the colours of the w ires in the m anins lead of this appliance m ay not correspond with the coloured m arkings identifying the term inals in your plug, proceed as follow s.
The w ire w hich is coloured green-and-yellow m ust be connected to the term ianl in the plug w hich is m arked w ith the letter ‘E’ or by earth sym bol or green-and-yellow.
The w ire w hich is coloured blue m ust be connected to the term inal which is m arked w ith the letter ‘N ’ or coloured black. The w ire w hich is coloured brow n m ust be connected to the term inal which is m arked w ith the letter ‘L’ or coloured red.
NOTE
This oven is designed for counter-top use only.
SPECIFICATIONS
KOR-6305
M O DEL |
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KO R-63050S |
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POW E R SUPPLY |
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230V,50H z, SINGLE PHA SE W ITH EARTHIN G |
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M ICROWAVE |
1200W |
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POW E R CONS UM PTION |
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G RILL |
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CO M BINATION |
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M ICROWAVE ENERGY OUTPUT |
800W |
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M ICROWAVE FREQUENCY |
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2450M Hz |
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OUTSIDE DIM ENSIONS (W X H X D) |
465 x 279 x 360 m m (18.3 x 11.0 x 14.2 in.) |
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CAVITY DIM ENSIONS (W X H X D) |
290 x 220 x 306 m m |
(11.4 x 8.7 x 12.0 in.) |
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NET W EIGH T |
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APPROX. 13 Kg ( 28.7 lbs.) |
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TIM ER |
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35 m in. DUAL SPEED |
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FUNCTIO N SELECTIONS |
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M ICR OWAVE |
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POW E R SELECTIONS |
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5 LEVELS |
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CAVITY VOLUM E |
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0.7 Cu.Ft. |
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KOR-8605 |
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M ODEL |
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K O R -86050S |
K O R -86050N |
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POW E R SUPPLY |
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230V,50H z(86050S )/220V,50Hz(86050N ), |
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S IN G LE P H A S E W ITH E A RTH IN G |
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M ICROWAVE |
1350W |
1250W |
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POW E R CONS UM PTION |
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GRILL |
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COM BINATION |
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M ICROWAVE ENERGY OUTPUT |
900W |
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M ICROWAVE FREQUENCY |
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2450M Hz |
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OUTSIDE DIM ENSIONS (W X H X D) |
495 x 294 x 388 m m |
(19.5 x 11.6 x 15.3 in.) |
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CAVITY DIM ENSIONS (W X H X D) |
320 x 244 x 338 m m |
(12.6 x 9.6 x 13.3 in.) |
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NET W EIGH T |
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A PP R O X . 15 K g ( 33.1 lbs.) |
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TIM ER |
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35 m in. D U A L S P E E D |
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FUNCTIO N SELECTIONS |
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M ICR O WAV E |
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POW E R SELECTIONS |
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5 LE V E LS |
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CAVITY VOLUM E |
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0.9 C u.Ft. |
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Specifications are subject to change without notice.
EXTERNAL VIEW
1. OUTER DIMENSION
KOR-6305
Fig.1 Front view |
Fig.2 Side view |
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KOR-8605
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Fig.1 Front view |
Fig.2 Side view |
EXTERNAL VIEW
2. FEATURE DIAGRAM
1.Safety interlock system
2.Door viewing screen - Allows viewing of food. The screen is designed so that light can pass through, but not the microwave.
3. Door hook - W hen the door is closed, it will automatically shut. If the door is opened while the oven is operating,
the magnetron will immediately stop operating.
4.Oven cavity
5.Door seal - Door seal maintains the microwave energy within the oven cavity and prevents microwave leakage.
6.Glass cooking tray - Made of special heat resistant glass. Food in a proper receptacle is placed on this tray for cooking.
7.Roller guide - This must always be used for cooking together with the glass cooking tray.
8.Coupler - This fits over the shaft in the center of the ovens cavity floor. This is to remain in the oven for all cooking.
9.Knob V.P.C - Used to select a microwave power level.
10.Knob timer - Used in setting cooking time for all functions.
11.Door release button - By pushing this button the latch system cut off all circuits and stops the oven before the door is opened
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
Poo r televisio n rec eption and radio in terference m a y result if the oven is located close to a TV, ra dio , antenn a or feede r 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 6amperes, 230 Volts, 50 Hz / 220Volts, 50Hz (KOR-8650N).
∙Power supply cord is about 0.8 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.
WARNING
Improper use of the earthing plug can result in a risk of electric shock. Consult a qualified electrician or 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.
OPERATIONS AND FUNCTIONS
1.Connect the main lead to an electrical outlet.
2.After placing the food in a suitable container, open the oven door and put it on the glass tray. The glass tray must always be in place during cooking.
3.Close the door securely.
4.Choose cooking power level by setting V.P.C knob to the desired position. Refer to cookbook for recommended power levels.
5.Determine cooking time.
Consult cookbook for recipe timing.
Oven light turns on and cooling fan starts to operate. Microwave cooking starts.
6.You may open the door while the oven is operating. As soon as the door is opened, the safety mechanims
stop the generation of microwave power and the operation of cooking timer.
If you wish to change the time during cooking, simply adjust the timer to the desired time.
7.When the timer reaches zero, a bell will ring and the unit will turn off. Oven light turns off. If additional cooking time is needed and the
door is closed, the oven will automatically start when the timer is reset.
NOTE
1.When setting timer for less than 2 minutes, turn the timer past 2 minutes and then return to the correct timer setting.
2.Various clicking noises may be heard when turning V.P.C knob. This is normal and does not affect the operation of your microwave oven.
Make sure the oven is properly installed and plugged into the electrical outlet.
Variable power cooking
On and OFF cycle time of mechanical V.P.C switch is 30 seconds.
When the V.P.C knob is set to the desired position and timer knob turns to the desired position, the V.P.C switch has a cycle (ON/OFF time(sec.)) listed below.
6305/8605
Variable power setting |
ON/OFF tim e (sec.) |
Approximate Percentage of Power |
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M A X |
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(H IG H ) |
30/0 |
100 % |
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610W |
/ 700W |
(M E D H IGH ) |
23.2/6.8 |
77 % |
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440W |
/ 500W |
(M E D IU M ) |
16.5/13.5 |
55 % |
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260W |
/ 290W |
(DE FR O ST) |
9.8/20.2 |
33 % |
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130W |
/ 150W |
(WA R M ) |
5/25 |
17 % |
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