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30

PRINTED CIRCUIT BOARD

3. P.C.B. LOCATION NO

(1) KM-200D 

NO

NAME

SYMBOL

SPECIFICATION

PART CODE

Q'TY

1

BUZZER

BZ1

BM-20K

3515600100

1

2

C ARRAY

CA1

5P(4) 102 M  50V

CN4XB-102M

1

3

C ELECTRO

EC1

16V  RSS 100uF

CEXF1C101V

1

4

C ELECTRO

EC2

25V RSS 1000uF

CEXF1E102V

1

5

CONNECTOR WAFER

CN1

YW396-02AV

3519150520

1

6 CONNECTOR WAFER CN3 YW396-05AV 3519150510 1

7

CONNECTOR WAFER

CN2

HLEM15S-1

4CW215SBD0

1

8

CONNECTOR WAFER

CN101

HLEM15R-1

4CW215RBD0

1

9

DIODE

D1~6, 8~10

1N4148

DZN4148---

9

10

DIODE

D11, 12

1N4004A

DZN4004A--

2

11

DIODE ZENER

ZD1

MTZ 5.1VB 1/2W

DZTZ5R1B--

1

12

DIODE ZENER

ZD2

MTZ 3.9VB 1/2W

DZTZ3R9B--

1

13

LED DISPLAY

DP1

DDG-631H

DDDG631H--

1

PCB MAIN

M160

82X139.9

3514321100

1

14

PCB SUB

M161

70X122

3514321200

1

15

R ARRAY

RA1

5P(4) 1/8 100K J

RA-85X104J

1

16

R CARBON FILM

R1~R7

1/6W  330  5%

RD-AZ331J-

7

17

R CARBON FILM

R8,10,12,14,20,101,102

1/6W 1K 5%

RD-AZ102J-

7

18

R CARBON FILM

R11

1/6W 100K 5%

RD-AZ104J-

1

19

R CARBON FILM

R13

1/6W 100 5%

RD-AZ101J-

1

20

R CARBON FILM

R15~17

1/6W 10K 5%

RD-AZ103J-

3

21

R CARBON FILM

R18

1/6W 1M 5%

RD-AZ105J-

1

22

R CARBON FILM

R19

1/4W 27 5%

RD-4Z270J-

1

23

IC REGULATOR

VL1

MC7905C

1MC7905C--

1

24

TRANSISTOR

Q1~5, 8~10

KRA-106M

TZRA106M--

8

25

TRANSISTOR

Q6

KTA-1270Y

TZTA1270Y-

1

26

TRANS POWER

LVT1

DMR-631FS

5EPV035303

1

27

WIRE COPPER

J1-J17, J101

1/0.52 TIN COATING

85801052GY

18

28

WIRE FLAT

WF1

1.25X15X90XCWH

WSJ-159007

1

29

SW TACT

SW102~107

KPT-1115AM

5S50101Z93

6

30

SW ROTARY

SW101

SDB161PVB17F123636

5S10109002

1

31

IC MICOM

IC1

TMP47C440BN-NG04

13GS631R00

1

32

RESONATOR CERA

CR1

KBR-4.0MSTF

5PKBR40MKS

1

33

SW RELAY

RY1

G5G-1A DC12V

5SC0101121

1

34

SW RELAY

RY2

G5B-1 DC12V

5SC0101110

1

35

C CERA

C6

102 50V Z AXIAL

CCZB1H102K

1

36

C CERA

C1~5, C7

104 50V Z AXIAL

CCZF1H104Z

6

Содержание KM-200D

Страница 1: ...Service Manual Microwave Oven Model KM 200D ...

Страница 2: ...vating 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 magne...

Страница 3: ...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 o...

Страница 4: ...OWAVE 1200W GRILL COMBINATION MICROWAVE ENERGY OUTPUT 800W MICROWAVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS W X H X D 465 x 279 x 360mm 18 3 x 11 0 x 14 2 in CAVITY DIMENSIONS W X H X D 290 x 220 x 306 m m 11 4 x 8 7 x 12 0 in NET WEIGHT APPROX 13Kg 28 7lbs TIMER 59 min 00 sec FUNCTION SELECTIONS MICROWAVE POWER SELECTIONS 5 LEVELS CAVITY VOLUM E 0 7 Cu Ft ...

Страница 5: ... EXTERNAL VIEW 1 OUTER DIMENSION ...

Страница 6: ...microwaves escaping 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 can be easily removed for cleaning Make sure it is correctly positioned indentation before operating Place food in a suitable container ...

Страница 7: ...by weight or time 3 Power Used to set power level 4 Auto cook Used to cook using a program or to reheat 5 Start Easy cook Used to start the oven operation and also increase the reheat time by 30 seconds 6 Stop Clear Used to stop the oven operation or to erase all entries 7 Clock Used to set clock 8 Dial Knob Used to set the time and weight ...

Страница 8: ... type which if damaged must be repaired with cable of same type Such a cable can be purchased from Yapay 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 Th...

Страница 9: ...time ends 10 When the Stop Clear button is touched during the oven operation the oven stops cooking and all information retained To erase all information except the present time touch the Stop Clear button once more If the oven door is opened during the oven operation all information is retained 11 If the Start button is touched and the oven does not operate check the area between the door and doo...

Страница 10: ...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...

Страница 11: ...cabinet backward 2 To remove door assembly 1 Remove a screw 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 ...

Страница 12: ...A02 3517003050 BARRIER SCREEN O ACRYL 1 A03 3515304610 SUPPORTER BARR S O PP 1 A04 3515204100 STOPPER HINGE T AS KOR 63150S 1 A05 3511705500 DOOR WELD AS KOR 61150S 1 A06 3517002800 BARRIER SCREEN I POLYESTER T0 1 1 A07 3512300200 GASKET DOOR PP 1 A08 3513100700 HOOK POM 1 A09 3515101300 SPRING HOOK PW1 1 REF NO PART CODE PART NAME DESCRIPTION QTY REMARK ...

Страница 13: ...om door frame 8 Reverse the above steps for reassembly 4 Method to reduce the gap between the door seal and the oven front surface 1 To reduce gap located on part A Loosen a screw on stopper hinge top and then push the door to contact the door seal to oven front surface Tighten a screw 2 To reduce gap located on part B Loosen two screws on stopper hinge under and then push the door to contact the ...

Страница 14: ...3516907600 BUTTON FUNCTION ABS 1 B05 3514321400 PCB SUB AS KOR 631R0S 1 B06 3514321300 PCB MAIN AS KOR 631R0S 1 B07 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 3 B08 7621301011 SCREW TAPPING T2 PAN 3X10 PW MFZN 4 B09 3513405210 KNOB VOLUME ABS 1 B10 3516907500 BUTTON FUNCTION ABS 1 B11 3513702700 LEVER DOOR OPEN ABS 1 B12 441G430171 SPRING BUTTON SWP DIA 0 7 1 B13 3516906900 BUTTON DOOR OPEN ABS 1 ...

Страница 15: ...ly 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 Reverse the above steps for reassembly NOTE Never ins...

Страница 16: ... wind guide 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 ...

Страница 17: ...k pushes the lock lever downward The lock lever presses the button of the interlock monitor switch to bring it under NO condition and presses the button of the secondary interlock switch to bring it under ON condition 3 Adjustment steps a Loosen the one mounting screw b Adjust interlock switch assembly position c Make sure that lock lever moves smoothly after adjustment is completed d Tighten comp...

Страница 18: ...ls and power cord before check the parts listed below CHECK RESULT CAUSE REMEDY Fuse blows Continuity No Continuity Continuity 0 infinite Ω or Approx 150 310 normal Replace NOTE 1 Replace NOTE 1 Replace Replace Check continuity of primary winding of low voltage transformer Malfunction of interlock monitor switch Defective low voltage transformer Check continuity of interlock monitor switch with do...

Страница 19: ... filter board No Continuity Defective line filter board Replace NOTE All these switches must be replaced at the same time please refer to Interlock Mechanism And Adjustment CONDITION CHECK RESULT CAUSE REMEDY Turn table motor and oven lamp do not turn on No Continuity Adjust or replace Adjust or replace Replace Replace Malfunction of primary interlock switch No Continuity 0 V Approx 15 VDC Check c...

Страница 20: ...elay coil REMEDY Replace Replace Replace Replace Replace Replace Replace Replace No m icrowave oscillation Check continuity of high voltage rectifier in forward and backward direction with DC megger Check continuity of high voltage capacitor terminals with wires rem oved Connect megger leads to magnetron terminal and magnetron body Check resistance of primary and secondary coil of high voltage tra...

Страница 21: ...bviously jumps in time while counting down 9 Display counts down noticeably too fast while cooking 10 Display does not show the time of day when clear pad is touched 11 Oven lamp and turntable motor do not stop although cooking is finished Check if the RELAY 2 contacts close if they are close replace touch control circuit CONDITION CHECK RESULT CAUSE REMEDY Display does not show programming at all...

Страница 22: ...essel the load is immediately 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 selecte...

Страница 23: ...he door 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 clo...

Страница 24: ...the ohmmeter 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 otherwise an infinite resistance may be read in both directions A normal diode s resistance will be infinite in one direction an...

Страница 25: ... WIRING DIAGRAM ...

Страница 26: ... 1 IC1 PIN 2 21 30 34 5VDC 2 IC1 PIN 35 T 20ms 50Hz 3 IC1 PIN 31 OR 32 T 250 ns 4MHz NO MEASURE POINT WAVE FORM REMEDY REMARK 1 MP1 DC 5V 0 25V Replace VL1 EC1 NO LOAD 2 MP2 DC 12V 2 0V Replace EC2 D6 11 12 NO LOAD NOTE 1 Refer to Circuit Diagram point 4 2 Secondary side voltage of the low voltage transformer changes in proportion to fluctuation of power source voltage 3 The allowable tolerance of...

Страница 27: ... PRINTED CIRCUIT BOARD MP1 MP2 Measure Point ...

Страница 28: ... PRINTED CIRCUIT BOARD ...

Страница 29: ... method 4 When the door is opened during operation the count down timer does not stop refer to Circuit Diagram Point 1 Check method 5 When the digital clock does not operate properly refer to Circuit Diagram Point 5 If clock does not keep exact time you must check resistor R15 16 zener diodeZD1 POINT STATE A B RELAY 2 ON 5VDC GND RELAY 2 OFF GND 12VDC POINT STATE A B RELAY 1 ON 5VDC GND RELAY 1 OF...

Страница 30: ... PRINTED CIRCUIT BOARD 2 P C B CIRCUIT DIAGRAM ...

Страница 31: ... 16 R CARBON FILM R1 R7 1 6W 330 5 RD AZ331J 7 17 R CARBON FILM R8 10 12 14 20 101 102 1 6W 1K 5 RD AZ102J 7 18 R CARBON FILM R11 1 6W 100K 5 RD AZ104J 1 19 R CARBON FILM R13 1 6W 100 5 RD AZ101J 1 20 R CARBON FILM R15 17 1 6W 10K 5 RD AZ103J 3 21 R CARBON FILM R18 1 6W 1M 5 RD AZ105J 1 22 R CARBON FILM R19 1 4W 27 5 RD 4Z270J 1 23 IC REGULATOR VL1 MC7905C 1MC7905C 1 24 TRANSISTOR Q1 5 8 10 KRA 10...

Страница 32: ...31 NO NAME SYMBOL SPECIFICATION PART CODE Q TY PRINTED CIRCUIT BOARD ...

Страница 33: ... EXPLODED VIEW AND PARTS LIST 1 DOOR ASSEMBLY Refer to Disassembly and assembly 2 CONTROL PANEL ASSEMBLY Refer to Disassembly and assembly 3 TOTAL ASSEMBLY ...

Страница 34: ...7120 FUSE 250V 12A MDA 1 F13 3518606200 NOISE FILTER DWLF M12 1 F14 7121403011 SCREW TAPPING T2S PAN 4X30 MFZN 2 F15 3963513100 MOTOR SHADED POLE 230V 17W OEM 10DWC2 A07 1 3963512310 MOTOR SHADED POLE 230V 20W MW 10CA M02 1 F16 3512517000 GUIDE W IND PP 1 F17 3511800300 FAN PP 30 GLASS 1 F18 3518002200 MAGNETRON 2M218H MF I 1 F19 3516004000 SPECIAL SCREW T2 BOLT FLANGE 5X12 DACRO 1 F20 7S422X4081 ...

Страница 35: ...FZN 1 F40 3966310100 MOTOR SYNCRO 220V 2 5W GM 16 24FD12 1 3966310110 MOTOR SYNCRO 220V 2 5W M2LJ49ZT52 1 F41 3518905300 THERMOSTAT OFF 75 ON 65 H 187 NB 1 F42 3513003400 HOLDER THERMOSTAT PBT 1 F43 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 1 F44 3511406200 COVER WAVE GUIDE HEATPROOF PP 1 F45 3517400620 COUPLER XAREC 1 F46 3514700710 ROLLER TEFLON 3 F47 3512517300 GJIDE ROLLER PP 5113MF6 A353B...

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