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Daewoo AKM3180S, Руководство по обслуживанию, Страница: 31 / 33

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30

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

Содержание AKM3180S

Страница 1: ...R1A7G9T001 April 2005 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: ...ock 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 TABLE OF CONTENTS SAFETY AND PRECAUTIONS 2 1 FOR SAFE OPER...

Страница 3: ...or to servicing the oven 2 If any certified oven unit is found to have excessive emission level 5mw cm2 the service person should 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 wi...

Страница 4: ... MICROWAVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS W X H X D 539 x 300 x 431mm 21 2 x 11 8 x 16 1 in CAVITY DIMENSIONS W X H X D 354 x 228 x 373 mm 13 9 x 9 x 14 7 in NET WEIGHT APPROX 15 8 kg 34 9 Ibs TIMER 99 min 99 sec FUNCTION SELECTIONS MICROWAVE POWER SELECTIONS 10 LEVELS CAVITY VOLUME 31 L SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE SPECIFICATIONS ...

Страница 5: ...4 EXTERNAL VIEW 1 OUTER DIMENSION ...

Страница 6: ...NTERLOCK SYSTEM 6 6 CONTROL PANEL 7 7 SPATTR SHIELD Protects the microwave outlet from splashes of cooking foods 8 8 GLASS COOKING TRAY Made of special heat resistant glass The tray must always be in proper position before operating Do not cook food directly on the tray 9 9 COUPLER This fits over the shaft in the center of the oven cavity floor This is to remain in the oven for all cooking 0 0 ROL...

Страница 7: ...ST Used to defrost foods for weight defrost 6 6 POWER Used to set power level 7 7 DEFROST Used to defrost foods for time 8 8 STOP CLEAR Used to stop the oven operation or to delete the cooking data 9 9 TIME SET PAD Used to set the cooking time and the current time 0 0 CLOCK Used to set clock q q KITCHEN TIMER Used as a minute timer to delay the start of cooking or to set a holding time after cooki...

Страница 8: ...f approximately 20 amperes 110Volts 60Hz grounded outlet Power supply cord is about 1 0 meters long 1 A short power supply cord is provided to reduce the risks resulting from becoming entangled in or tripping over a longer cord 2 Longer cord sets or extension cords are available and may be used if care is exercised in their use 3 If a long cord or extension cord is used 1 The marked electrical rat...

Страница 9: ...e oven is plugged in 9 Time clock returns to the present time when the cooking time ends 10 When the STOP CLEAR pad 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 pad once more If the oven door is opened during the oven operation all information is retained 11 If the START pad is touched...

Страница 10: ...air 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 20A fuse is blown out due to th...

Страница 11: ...ward 2 To remove door assembly 1 Remove two 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: ...R PP 5113MF6 1 A07 3513100730 HOOK POM BLACK 1 A08 3515101900 SPRING HOOK PW 1 1 A09 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 1 A10 3512602700 HANDLE DOOR U ABS XR 401 H 2938 1 1 Remove the gasket door from door painting as 2 Remove the barrier screen inner from door painting as 3 Remove the frame door from door painting as 4 Remove the stopper hinge top form door painting as 5 Remove the spring...

Страница 13: ... and then push the door to contact the door seal to oven front surface Tighten two screws 3 To reduce gap located on part C Loosen a screw on interlock switch assembly located top of oven body Draw the interlock switch assembly inward as possible to engage with hook on the door bottom Tighten a screw 4 To reduce gap located on part D Loosen a screw on interlock switch assembly located bottom of ov...

Страница 14: ...MANUAL AS 1A 1000W T 9 99 1 B04 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 4 1 Remove a screw which secure the control panel push up two snap fits and draw forward the control panel assembly 2 Remove four screws which secure the PCB assembly to control panel 3 Disconnect membrane tail from the connector of the PCB assembly 4 Detach membrane from the control panel 5 Reverse the above steps for reas...

Страница 15: ... 1 Remove a screw which secure the magnetron 2 Remove the magnetron 3 Reverse the above steps for reassembly NOTE Never install the magnetron without the metallic gasket plate which is packed with each magnetron to pre vent 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 ...

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: ... hook 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 NO condition 3 Adjustment steps a Loosen the 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: ...ted of the terminals and power cord before check the parts listed below CONDITION CHECK Check continuity of interlock monitor switch with door closed Check continuity of of primary interlock switch contact with door partially open until interlock moni tor switch contact close Malfunction of interlock moni tor switch Shorted con tacts of primary interlock switch RESULT Continuity No Continuity No C...

Страница 19: ...uity Adjust or replace Check D C voltage being sup plied to RELAY RY2 coil Defective touch control circuit 0 V Replace Faulty contacts of RELAY RY2 or open relay coil Approx 15 VDC Replace Display do not shown countdown Malfunction of sec ondary interlock switch Replace Check continuity of power supply cord Open power sup ply cord No Continuity Replace Defective touch control circuit Normal Replac...

Страница 20: ...place Connect megger leads to mag netron terminal and magnetron body Continuity Defective mag netron Replace Check resistance of primary and secondary coil of high voltage transformer 0 Ω or Defective high voltage trans former Replace Check continuity of magnetron with wires removed No Continuity Defective mag netron Replace Check continuity of filament termi nal of high voltage transformer No Con...

Страница 21: ...splay obviously 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 the STOP 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 NOTE Before following the particular steps listed above in t...

Страница 22: ...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 select...

Страница 23: ...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 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 2 in ...

Страница 24: ...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 A normal diode s resistance will be infinite in one direction and several hundred KΩ in the other direction 4 Magnetron For complete magnetron diagnosis refer to Measurement of the Microwave Power Output Continuity checks can on...

Страница 25: ...24 WIRING DIAGRAM ...

Страница 26: ...NOTE Each measure point must be measured with GND point 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 5 6 7 LOAD AC 12 6 V NO LOAD AC 14 7 V NO MEASURE POINT WAVE FORM REMEDY REMARK 1 MP1 DC...

Страница 27: ...26 Measure Point MP1 MP2 GND ...

Страница 28: ...igital clock does not operate properly Refer to Circuit Diagram If clock does not keep exact time you must check resistor R20 and zener diode ZD2 STATE POINT A B RELAY 2 ON 5VDC GND RELAY 2 OFF GND 12VDC STATE POINT A B RELAY 1 ON 5VDC GND RELAY 1 OFF GND 12VDC STATE POINT A B 1 DOOR OPEN OPEN 5VDC 2 DOOR CLOSED CLOSE GND CHECK NO METHOD REMEDY 1 Check the stage ON OFF of the door open monitor swi...

Страница 29: ...28 2 PCB CIRCUIT DIAGRAM ...

Страница 30: ...5 RD AZ331J 7 17 RESISTOR R1 10 12 17 18 22 1 6W 1K 5 RD AZ102J 6 18 RESISTOR R9 1 6W 100K 5 RD AZ104J 1 19 RESISTOR R11 1 6W 200 5 RD AZ201J 1 20 RESISTOR R13 R19 R20 1 6W 10K 5 RD AZ103J 3 21 RESISTOR R14 1 6W 1M 5 RD AZ105J 1 22 RESISTOR R21 1 4W 51 5 RD 4Z510J 1 23 RESONATOR CERA CR1 CRT 4 00MS 5P4R00MTS 1 24 IC REGULATOR VL1 MC7805C 1CPMC7805C 1 25 TRANSISTOR Q1 5 KRA106M TZRA106M 5 26 TRANSI...

Страница 31: ...30 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 ...

Страница 32: ...PECIAL SCREW T2 BOLT FLANGE 5X12 DACRO 1 F19 7122400811 SCREW TAPPING T2S TRS 4 8 MFZN 1 F20 3513003200 HOLDER HV CAPACITOR SECC T0 6 1 F21 3518302201 CAPACITOR HV 2100VAC 0 98UF 187 75MM 1 F22 3518400400 DIODE HV HVR 1X 3AB 12KV 187 1 F23 3518700500 FUSE HV 5KV 0 7A THV 060T 1 F24 3518116970 TRANS HV DW R11AT 1BT 1 F25 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 4 F26 3510312400 BASE SBHG T0 7 ...

Страница 33: ...S M NO DAEWOO ELECTRONICS CORP 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC PRINTED DATE April 2005 ...

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