Domar SM256G Скачать руководство пользователя страница 32 | Manualshive

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2. P.C.B. CIRCUIT DIAGRAM

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Содержание SM256G

Страница 1: ...Mar 2002 DOMAR S A 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 ...

Страница 2: ...k 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 1 FOR SAFE OPERATI...

Страница 3: ...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 do...

Страница 4: ... 800W 950W MICROWAVE FREQUENCY 2450 MHz OUTSIDE DIMENSIONS WXHXD 465X279X365mm 495X294X392mm 18 3X11 0X14 4 in 19 5X11 6X15 4 in CAVITY DIMENSIONS WXHXD 290X220X306mm 320X244X338mm 11 4X8 7X12 0 in 12 6X9 6X13 3 in NET WEIGHT APPROX 14Kg 30 9 lbs APPROX 16Kg 35 3 lbs TIMER 59 min 90 sec FUNCTION SELECTIONS MICROWAVE GRILL COMBINATION POWER SELECTIONS 5 LEVELS CAVITY VOLUME 0 7 Cu Ft 0 9 Cu Ft ...

Страница 5: ...4 EXTERNAL VIEW 1 OUTER DIMENSION SM 256G SM356G 365 392 465 495 279 294 ...

Страница 6: ...GUIDE This must always be used for cooking together with the glass cooking tray 9 GLASS COOKING TRAY Made of special heat resistant glass Food in a proper receptacle is placed on this tray for cooking 10 DOOR VIEWING SCREEN Allows viewing of food The screen is designed so that light can pass through but not the microwave 11 DOOR HOOK When the door is closed it will automatically shut off If the do...

Страница 7: ... or to reheat 5 Inicio Used to start the oven operation and also increase the reheat time by 30 seconds 6 Stop Borrar Used to stop the oven operation or to erase all entries 7 Reloj Used to set clock 8 Dial Knob Used to set the time and weight 3 CONTROL PANEL SM 256G SM356G M O DESC GRILL COMBI GRILL COMBI POTENCIA DESCONGELAR RELOJ STOP BORRAR PESO TIEMPO INICIO 1 Plato principal 2 Sopa 3 Bebidas...

Страница 8: ...l type which if damaged must be reparied with cable of same type Such a cable can be purchased from DAEWOO and must be installed by 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: ...all information is retained 11 If the START pad is touched and the oven does not operate check the area between the door and door is closed securely The oven will not start cooking under the door is completely closed or the program has been reset 12 When using the GRILL or COMBI mode Do not open the door so often the temperature inside the oven derease and the cooking may not be completed in setti...

Страница 10: ...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 insulted screwdriver to discharge 4 When the 15A fuse is blown out due to the operation of the m...

Страница 11: ...e 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: ...RT NAME DESCRIPTION QTY REMARK A01 3512204170 FRAME DOOR ABS SG 175 1 A02 3517005740 BARRIER SCREEN 0 ACRYL 1 A03 3515204100 SUPPER HINGE T AS KOR 63150S 1 A04 3511705620 DOOR WELD AS KOR 81250S 1 A05 3517002900 BARRIER SCREEN I POLYESTER T0 1 1 A06 3512300400 GASKET DOOR PP 1 A07 3513100700 HOOK POM 1 A08 3515101300 SPRING HOOK PW1 1 3 TO REMOVE DOOR PARTS SM 256G SM356G Caution In this Service M...

Страница 13: ... 8 Remove 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 door seal to o...

Страница 14: ...ME DESCRIPTION QTY REMARK B01 3515501540 WINDOW DISPLAY PMMA 1 B02 3516723730 CONTROL PANEL ABS SG 175 1 B03 3516907530 BUTTON FUCTION A ABS SG 175 1 B04 3516907540 BUTTON FUCTION B ABS SG 175 1 B05 3513405240 KNOB VOLUME ABS SG 175 1 B06 PKBPMSZ300 PCB SUB AS KOG 373R0S 1 B07 7621301011 SCREW TAPPING T2 PAN 2X10 PW MFZN 4 B08 PKMPMST500 PCB MAIN AS KOG 393R0S 1 B09 7122401211 SCREW TAPPING T2S TR...

Страница 15: ...ove 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 install the ma...

Страница 16: ...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: ...ase 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 assmbly 1 Remove the three nuts 2 Remove the insulator heater assembly 3 Reverse the above steps for reassembly ...

Страница 18: ...ATER 230V 1000W 1R67994001 1 C05 7002500613 SCREW MACHINE TRS 5X6 MFCR 1 C06 7002400413 SCREW MACHINE TRS 4X4 MFCR 2 12 To remove heater parts Caution In this Service 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 ...

Страница 19: ...ok pushes the lock lever downward The lock lever presses the button of the interlock minitor 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 assmbly position c Make sure that lock lever moves smoothly after adjustment is completed d Tighten comp...

Страница 20: ...ok pushes the lock lever downward The lock lever presses the button of the interlock minitor 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 assmbly position c Make sure that lock lever moves smoothly after adjustment is completed d Tighten comp...

Страница 21: ...e terminals and power cord before check the parts listed below CONDITION CHECK Check continuty of interlock monitor switch with door closed COM NC Check continuity of both primary and secondary interlock switch with door colosed Malfunction of interlock monitor switch Malfunction of interlock switch RESULT Continuity No Continuity CAUSE REMEDY Replace NOTE 1 Fuse blows Replace NOTE 1 Shorted conta...

Страница 22: ...M switch No Continuity Adjust or replace Check D C voltage being supplied to RELAY RY2 coil Defective touch control circuit 0 V Replace Faulty contacts of RELAY RY2 or open relay coil Approx 15 VDC Replace Check continuity of noise filter board Defective line filter board No Continuity Replace Check continuity of power supply cord Open power supply cord No Continuity Replace Defective touch contro...

Страница 23: ...ads to magnetron terminal and magnetron body Continuity Defective magnetron Replace Check resistance of primary and secondary coil of high voltage transformer 0 Ω or Defective high voltage transformer Replace Check continuity of magnetron with wires removed No Continuity Defective magnetron Replace Check continuity of filament terminal of high voltage transformer No Continuity Defective high volta...

Страница 24: ...cooking or clock operation 7 Oven is programmable and cooks normally but no display shows 8 Display obviously jumps in time while counting down 9 Display counts down noticeable too fast while cooking 10 Display does not show the time of day when dlear 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 repla...

Страница 25: ...e vessel 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 sele...

Страница 26: ...abinet 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 than ...

Страница 27: ...eter 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 and severa...

Страница 28: ...27 WIRING DIAGRAM SM256G SM356G ...

Страница 29: ...PIN 31 OR 32 NOTE Each measure point must be measured with GND points 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 the secondary voltage is within 5 of nominal voltage Terminal Voltage 4 7 LOAD AC 25 8 V NO LOAD AC 28 4 V NO MEASURE POINT WAVE FORM REMEDY REM...

Страница 30: ...29 Mesurement point ...

Страница 31: ...ram point 6 Check method 5 When the door is opened during operation the count down timer does not stop refer to Circuit Diagram point 1 Check method 6 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 diode ZD1 POINT A B STATE RELAY 2 ON 5VDC GND RELAY 2 OFF GND 12VDC POINT A B STATE RELAY 1 ON 5...

Страница 32: ...31 2 P C B CIRCUIT DIAGRAM ...

Страница 33: ... 23 R CARBON FILM R14 1 6W 4 7K 5 RD AZ472J 1 24 R CARBON FILM R3 R5 R6 1 6W 10K 5 RD AZ103J 3 25 R CARBON FILM R12 1 6W 100K 5 RD AZ104J 1 26 R CARBON FILM R4 1 6W 1M 5 RD AZ105J 1 27 RESONATOR CERA CR1 KBR 4 0MKSTF 5PKBR40MKS 1 28 SW RELAY RY1 RY3 G5G 1A 1C 1P DC12V 5SC0101121 2 29 SW RELAY RY2 OJ SS 112LM DC 12V 5SC0101404 1 30 TRANSISTOR Q2 10 KRA 106M TZRA106M 9 31 TRANSISTOR Q1 KTA 1266Y TZT...

Страница 34: ...AZ102J 5 23 R CARBON FILM R14 1 6W 4 7K 5 RD AZ472J 1 24 R CARBON FILM R3 R5 R6 1 6W 10K 5 RD AZ103J 3 25 R CARBON FILM R12 1 6W 100K 5 RD AZ104J 1 26 R CARBON FILM R4 1 6W 1M 5 RD AZ105J 1 27 RESONATOR CERA CR1 KBR 4 0MKSTF 5PKBR40MKS 1 28 SW RELAY RY1 RY3 G5G 1A 1C 1P DC12V 5SC0101121 2 29 SW RELAY RY2 OJ SS 112LM DC 12V 5SC0101404 1 30 TRANSISTOR Q2 10 KRA 106M TZRA106M 9 31 TRANSISTOR Q1 KTA 1...

Страница 35: ...34 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 1 SM 256G ...

Страница 36: ...PACITOR SECC 1 F17 3518302200 CAPACITOR HV 2100VAC 0 98µF 187 1 F18 3518400400 DIODE HV HVR 1X 3AB 12KV 187 1 F19 3518701100 FUSE HV 5KV 0 55A HV 41A55 02 1 F20 3518113700 TRANS HV DY N80S0 63T 1 F21 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 4 F22 3510311700 BASE SBHG 1 F23 3512100900 FOOT PP DASF 130 2 F24 3515201101 STOPPER HINGE U SCP 1 1 F25 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 1 F...

Страница 37: ...7500 GUIDE ROLLER AS KOR 63150S 1 F39 3517203600 TRAY GLASS 1 F40 3517206900 TRAY RACK AS KOG 37150S 110MM 1 Caution In this Service 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 ...

Страница 38: ...37 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 2 SM 356G ...

Страница 39: ...NG T2S PAN 4X25 MFZN 2 F17 3963513100 MOTOR SHADED POLE 230V 17W OEM 10DWC2 A07 1 F18 3512517000 GUIDE WIND PP 1 F19 3511800300 FAN PP 30 GLASS 1 F20 3518002200 MAGNETRON 2M218H MF 1 F21 3516004000 SPECIAL SCREW T2 BOLT FLANGE 5X12 DACRO 1 F22 7S422X4081 SPECIAL SCREW TT2 TRS 4X8 SE MFZN 1 F23 3513003200 HOLDER HV CAPACITOR SECC 1 F24 3518302200 CAPACITOR HV 2100VAC 0 98µF 187 1 F25 3518400400 DIO...

Страница 40: ... F43 3513003400 HOLDER THERMOSTAT PBT 1 F44 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN 1 F45 4078502031 BUTTON LOCKING PP HONAM A353 2 F46 3511405100 COVER WAVE GUIDE MICA 1 F47 3517400620 COUPLER XAREC 1 F48 3514700900 ROLLER TEFLON 3 F49 3512510620 GUIDE ROLLER AS KOR 61150S 1 F50 3517203500 TRAY GLASS 1 F51 3517206900 TRAY RACK AS KOG 37150S 110MM 1 Caution In this Service Manual some parts can ...

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