DAEWOO ELECTRONICS KOG-37F7 Service Manual Download

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PART CODE

PART NAME

DESCRIPTION

Q'TY

F36

3518570400

SWITCH S/A RELAY

DWSR-1

F37

4415A17352

SW MICRO

VP-533A-OF SPNO #187 200G

F38

4415A66910

SW MICRO

VP-531A-OF/SZM-V16-FA-61

F39

4415A17352

SW MICRO

VP-533A-OF SPNO #187 200G

F40

3513702600

LEVER LOCK

POM

F41

3513811730

LOCK

POM NATURAL

F42

3513601600

LAMP

BL 240V 25W T25 C7A H187

F43

7121400611

SCREW TAPPING

T2S PAN 4X6 ,MFZN

F44

3966030900

MOTOR SYNCRO

220-240V 50Hz TYJ50-8A7

F45

3518905300

THERMOSTAT

OFF:75 ON:65 H #187 NB

F46

3513003400

HOLDER THERMOSTAT

PBT

F47

7S422X4081

SPECIAL SCREW

TT2 TRS 4X8 SE MFZN

F48

4078502031

BUTTON LOCKING

PP HONAM A353

F49

3511405100

COVER WAVE GUIDE

MICA T0.35

F50

3517400620

COUPLER

XAREC

F51

3514700710

ROLLER

TEFLON

F52

3512517300

GUIDE ROLLER

PP 5113MF6 A353B

F53

3517203600

TRAY

GLASS

F54

3517206900

TRAY RACK AS

KOG-37150S 110MM

Summary of Contents for KOG-37F7

Page 1: ...Service Manual Microwave Oven Model KOG 37F7 http svc dwe co kr Jan 2003 ...

Page 2: ...ons 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...

Page 3: ...ified 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 ...

Page 4: ... CAVITY VOLUME 0 7 Cu Ft SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE MODEL KOG 37F79S KOG 37F70S POWER SUPPLY 230V 50Hz SINGLE PHASE WITH GROUNDING POWER MICROWAVE 1000W 1200W CONSUMPTION GRILL 1050W 1050W COMBINATION 2000W 2200W MICROWAVE ENERGY OUTPUT 700W 800W MICROWAVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS W x H x D 465 x 279 x 364 mm 18 3 x 11 0 x 14 4 in CAVITY DIMENSIONS W x H x D 29...

Page 5: ...4 EXTERNAL VIEW 1 OUTER DIMENSION 465 364 279 ...

Page 6: ... the shaft in the center of the ovens cavity floor This is to remain in the oven for all cooking 10 Roller guide This must always be used for cooking together with the glass cooking tray 11 Glass cooking tray Made of special heat resistant glass Food in a proper receptacle is placed on this tray for cook ing 12 Door viewing screen Allows viewing of food The screen is designed so that light can pas...

Page 7: ...d 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 ...

Page 8: ...he door is closed the oven will automatically start when the timer is reset To set MICROWAVE cooking Set the variable power selector to the desired power level To set GRILL Cooking Set the POWER SELECTOR to the grill position To set COMBI Cooking Set the POWER SELECTOR to the combi position OPERATIONS AND FUNCTIONS NOTE 1 When setting timer for less than 2 minutes tum the timer past 2 minutes and ...

Page 9: ...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 15A fuse is blown out due to...

Page 10: ...ard 2 To remove door assembly 1 Remove two screws which secure the stopper hinge top 2 Remove the door assembly from top plate of cavity 3 Reverse the above for reassembly NOTE After replacing the door assembly perform a check of correct alignment with the hinge and cavity front plate ...

Page 11: ... 6 Reverse the above steps for reassembly 3 To remove door parts REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK A01 3512205200 FRAME DOOR PP SI83C 1 A02 3517007300 BARRIER SCREEN O PET T0 125 1 A03 3515204100 STOPPER HINGE T AS KOR 63150S 1 A04 3511705500 DOOR WELD ASSY KOR 61150S 1 A05 3517002800 BARRIER SCREEN I PE T0 1 1 A06 3512300200 GASKET DOOR PP 1 A07 3513100700 HOOK POM 1 A08 35150130...

Page 12: ...nge top and then push the door to contact the door seal to oven front surface Tighten two screws 2 To reduce gap located on part B Loosen two screws on stopper hinge under and then push the door to contact the door seal to oven front surface Tighten two screws NOTE A small gap may be acceptable if the microwave leakage does not exceed 4mW cm2 ...

Page 13: ...ton spring from the control panel 10 Reverse the above steps for reassembly REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK B01 3513405510 KNOB VPC ABS XR 401 H 2938 1 B02 3516725350 CONTROL PANEL ABS SG 0760D SG 175 1 B03 3515101600 SPRING FLAT SUS 301 T0 5 1 B04 3517400510 COUPLER VPC KNOB POM 1 B05 7122401211 SCREW TAPPING T2S TRS 4 12 MFZN 1 B06 3517400400 COUPLER TIMER POM 1 B07 3518204300...

Page 14: ...cm2 for a fully assembled oven with door normally closed 6 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 7 To remove magnetron 1 Remove a screw which secure the magnetron 2 Remove the magnetron 3...

Page 15: ...assembly 4 Draw forward the wind guide assembly 5 Pull the fan from the motor shaft 6 Remove two screws which secure the motor shaded pole 7 Remove the motor shaded pole 8 Reverse the above steps for reassembly 9 To remove H V transformer 1 Remove four screws holding the H V transformer 2 Remove the H V transformer 3 Reverse the above steps for reassembly ...

Page 16: ...se plate 4 Remove the tray motor cover 5 Remove a screw which secure the tray motor 6 Remove the tray motor 7 Reverse the above steps for reassembly except for securing the tray motor cover with screw 11 To remove heater assembly 1 Remove the three nuts 2 Remove the insulator heater assembly 3 Reverse the above steps for reassembly ...

Page 17: ... 7392500008 NUT HEX 6N 2 5 SUS 1 C02 3515000600 SPACER INSULATOR I C3771BD 1 C03 3513301100 INSULATOR HEATER SPP T0 8 1 C04 3512803410 HEATER 230V 1000W 1S0PE47501 1 C05 7002500613 SCREW MACHINE TRS 5X6 MFCR 1 C06 7002400413 SCREW MACHINE TRS 4X4 MFCR 1 INSULATOR HEATER AS 3513302700 ...

Page 18: ...switch Then the button of the primary interlock switch bring it under ON condition 2 Secondary interlock switch and interlock monitor switch When the door is closed the hook pushes the lock lever downward The lock lever presses the button of the interlock monitor switch to bring it under OFF condition and presses the button of the secondary interlock switch to bring it under ON condition ADJUSTMEN...

Page 19: ...ut the door and turn the timer YES If outlet has proper voltage check continuity of power supply cord Replace power supply cord NO Continuity Check continuity of interlock monitor switch with door shut Replace primary secondary interlock switch and interlock monitor switch Continuity YES Refer to next page Both continuity Replace fuse and check continuity of both interlock switch s contact and mon...

Page 20: ...table motor NO If microwave do not oscillate check continuity of filament of magnetron Poor continuity NO Continuity Check continuity filament tap 3 3V of high voltage Replace high Voltage transformer No Continuity Continuity Check continuity filament tap 3 3V of high voltage Replace high Voltage transformer Continuity in the reverse direction Replace magnetron Normal reading should be approx 0Ω M...

Page 21: ...ediately placed on the center of the shelf which is in the lowest normal position 4 Microwave power is switched on 5 Heating time should be exactly A seconds Refer to table as following Heating time is measured while the microwave generator is operating at full power The filament heat up time for magnetron is not included 6 The initial and final temperature of water is selected so that the maximum...

Page 22: ...r cabinet door seem door viewing screen the exhaust air vents and the suction air vents 3 Measuring should be in a counter clockwise direction at a rate of 1 in sec If the leakage of the cabinet door seem is unknown move the probe more slowly 4 When measuring near a corner of the door keep the probe perpendicular to the areas making sure the probe end at the base of the cone does not get closer th...

Page 23: ...meter set on the highest resistance scale measure the resistance across the diode terminals Reverse the meter leads and again observe the resistance reading Meter with 6V 9V or higher voltage batteries should be used to check the front back resistance of the diode oth erwise an infinite resistance may be read in both directions A normal diode s resistance will be infinite in one direction and seve...

Page 24: ...23 WIRING DIAGRAM ...

Page 25: ...24 1 DOOR ASSEMBLY Refer to Disassembly and assembly 2 CONTROL PANEL ASSEMBLY Refer to Disassembly and assembly 3 TOTAL ASSEMBLY EXPLODED VIEW AND PARTS LIST ...

Page 26: ...NUT FL M5X0 8P MFZN 1 F15 4414A25100 FUSE 250V 15A MDA 1 F16 3518606100 NOISE FILTER DWLF M13 1 F17 7121402511 SCREW TAPPING T2S PAN 4X25 MFZN 2 F18 3963513100 MOTOR SHADED POLE 220V 17W OEM 10DWC2 A07 1 3963512310 MOTOR SHADED POLE 230V 20W MW10CA M02 1 F19 3512517000 GUIDE WIND PP 1 F20 3511800300 FAN PP 30 GLASS 1 F21 3518002400 MAGNETRON 2M218J F 1 F22 3516004000 SPECIAL SCREW T2 BOLT FL 5X12 ...

Page 27: ...5W T25 C7A H187 1 F43 7121400611 SCREW TAPPING T2S PAN 4X6 MFZN 1 F44 3966030900 MOTOR SYNCRO 220 240V 50Hz TYJ50 8A7 1 F45 3518905300 THERMOSTAT OFF 75 ON 65 H 187 NB 1 F46 3513003400 HOLDER THERMOSTAT PBT 1 F47 7S422X4081 SPECIAL SCREW TT2 TRS 4X8 SE MFZN 1 F48 4078502031 BUTTON LOCKING PP HONAM A353 2 F49 3511405100 COVER WAVE GUIDE MICA T0 35 1 F50 3517400620 COUPLER XAREC 1 F51 3514700710 ROL...

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