Panasonic NN-V653WF Service Manual
  1. Manuals
  2. Brands
  3. Panasonic Manuals
  4. Microwave Oven
  5. NN-V653WF
  6. Service manual
Panasonic NN-V653WF Service Manual

Panasonic NN-V653WF Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

ORDER NO.SIMMC0303012C2
Microwave Oven
NN-V653WF NN-V653CF / NN-V623MF NN-F663WF / NN-
F653WF NN-F623MF / NN-V453WF NN-V423MF / NN-T553WF
NN-T523MF / NN-T543WF NN-Q553WF / NN-Q523MF NN-
Q543WF
BPQ(U.K.)
GPG(Germany)
EPG(France, Italy, Finland, Spain, Portugal, Greece, Poland, Holland)
SPECIFICATIONS
1

Advertisement

Table of Contents
loading

Related Manuals for Panasonic NN-V653WF

Summary of Contents for Panasonic NN-V653WF

  • Page 1 ORDER NO.SIMMC0303012C2 Microwave Oven NN-V653WF NN-V653CF / NN-V623MF NN-F663WF / NN- F653WF NN-F623MF / NN-V453WF NN-V423MF / NN-T553WF NN-T523MF / NN-T543WF NN-Q553WF / NN-Q523MF NN- Q543WF BPQ(U.K.) GPG(Germany) EPG(France, Italy, Finland, Spain, Portugal, Greece, Poland, Holland) SPECIFICATIONS...
  • Page 6 1. SCHEMATIC DIAGRAM (FOR GRILL MODELS) 2. SCHEMATIC DIAGRAM (FOR SOLO MODELS)

  • Page 7: Description Of Operating Sequence

    3. DESCRIPTION OF OPERATING SEQUENCE 3.1. Variable power cooking control High Voltage Inverter Power supply (U) controls output power by the signal from Digital Programmer Circuit (DPC). Power relay stays ON for P4 to P10 and For P1 to P3, both inverter drive signal and power relay to control output power.

  • Page 8: Power Setting

    microwave power since approximately 2 seconds are required for heating of magnetron filament. Variable Power Cooking POWER SETTING OUTPUT ON-OFF TIME OF POWER(%) POWER RELAY APPROX. (RY1) ON(SEC) OFF(SEC) HIGH 100% MEDIUM-HIGH P7 MEDIUM MEDIUM-LOW P3 DEFROST 3.2. Inverter power supply circuit [NEW H.V.] This Inverter Power Supply Circuit supplies 4,000V DC to the magnetron tube from the line voltage, 230-240V 50Hz AC input.

  • Page 9: Cautions To Be Observed When Troubleshooting

    to determine operating conditions and output necessary to control PWM signal to the inverter Power Supply to control output power. 3.3. Inverter turbo defrost When this Auto Control feature is selected and the Start Pad is tapped: 1. The digital programer circuit determines the power level and cooking time to complete cooking and indicates the operating state in the display window.
  • Page 10 H.V. Inverter warning WARNING FOR INVERTER POWER SUPPLY (U) GROUNDING Check the high voltage inverter power supply circuit grounding. The high voltage inverter power supply circuit board must have a proper chassis ground, the inverter grounding bracket must be connected to the chassis.

  • Page 11: Part Replacement

    Discharging the high voltage capacitors WARNING There is high voltage present with high current capabilities in the circuits of the primary and secondary windings, choke coil and heat sink of the inverter. It is extremely dangerous to work on or near these circuits with the oven energized.

  • Page 12: Avoid Inserting Nails, Wire Etc. Through Any Holes In The Unit During Operation

    bent, broken or deficient in their ability to hold the switches. 4.5. Avoid inserting nails, wire etc. through any holes in the unit during operation. Never insert a wire, nail or any other metal object through the lamp holes on the cavity or any holes or gaps, because such objects may work as an antenna and cause microwave leakage.

  • Page 13: Disassembly And Parts Replacement Procedure

    5. DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 5.1. Magnetron 1. Discharge high voltage charge. 2. Remove 1 screw holding air guide A. 3. Remove 1 screw holding air guide F. 4. Remove 1 screw holding themistor. 5. Disconnect 2 high voltage lead wires from magnetron filament terminals.

  • Page 14: Low Voltage Transformer And/Or Power Relays (Ry1, Ry2)

    3. Remove 1 screw holding D.P.C. 4. Release lock of connector CN6 by pushing both levels to inside and pull them upward, and remove flat cable of membrane keyboard. 5. Separate D.P.C board from tabs on the escutcheon base and remove D.P.C board.

  • Page 15: Fan Motor

    from the terminal pins of the low voltage transformer and/or power relays. NOTE: Do not use a soldering iron or desoldering tool of more than 30 watts on DPC contacts. (B) With all the terminal pins cleaned and separated from DPC contacts, remove the defective transformer/power relays making sure all terminal pins are inserted completely.
  • Page 16 from upper right hand corner using a flat blade screwdriver. 2. Separate door E from tabs on door A and remove door A. 3. Open Door E at the opening angle of approximately 10°(Note: The door cannot be removed if the opening angle is greater than 10°). 4.
  • Page 17 5.6. Turntable motor 1. Remove the motor cover by cutting at the locations indicated by the arrows with a cutter. NOTE: After removing the motor cover, be sure that cut portions are properly trimmed or bent to the inside so that no sharp edges will be exposed to outside.
  • Page 18 5.7. Steam sensor 1. Disconnect connector CN2 from digital programmer circuit board. 2. Disengage catch hooks on sensor cover c from orifice. 3. Remove steam sensor from orifice. NOTE: When installing the steam sensor, make sure that the direction of steam sensor is as shown in figure.

  • Page 19: Inverter Power Supply

    5.9. Inverter power supply CAUTIONS 1.Always leave the grounding plate in place. 2.Always securely tighten the ground screw through the bottom of the chassis (base). 3.Securely connect 3 lead wire connectors. 4.Make sure the heat sink has enough space (gap) from the oven.
  • Page 20 3. Disconnect 2 connectors from CN701 & CN702 on H.V.Inverter(U). 4. Remove 1 screw holding grounding lead wire. 5. Remove 2 screws holding Inverter bracket to the base. 6. Slide 2 locking tabs of Inverter bracket at the bottom of the base in direction of arrows. 7.

  • Page 21: Component Test Procedure

    6. COMPONENT TEST PROCEDURE CAUTION [NEW. H.V.] 1. High voltage is present at the high voltage terminal of the High Voltage Inverter (U) including aluminum heat sink during any cook cycle. 2. It is neither necessary nor advisable to attempt measurement of the high voltage.

  • Page 22: Short Switch & Monitor

    6.2. Short switch & monitor 1. Unplug lead wires from Inverter Power Supply (U) primary terminals. 2. Connect test probes of ohm meter to the disconnected leads which were connected to Inverter Power Supply (U). 3. Test the continuity of short switch with door opened and closed positions using lowest scale of the ohm meter.

  • Page 23: Danger High Voltage

    DO NOT try to REPAIR H.V. Inverter power supply (U).Replace complete H.V. Inverter(U) Unit. DANGER HIGH VOLTAGE Test if failure codes of H97 or H98 appear by doing the following procedure. It is recommended to use an AC line input current Ampere meter for testing. Test1 1.

  • Page 24: Measurements And Adjustments

    2. Program oven at High power for 1 minute and press start. A. After approximately 3 seconds, oven stops. B. During oven operation, input current is approximately 0.4A. INPUT AMPERE FAILURE CODE Unplug CN701 <0.4A Oven stops in 3 seconds after started.

  • Page 25: Measurement Of Microwave Output

    7.2. Measurement of microwave output The output power of the magnetron can be determined by performing IEC standard test procedures. However,due to the complexity of IEC test procedures, it is recommended to test the magnetron using the simple method outlined below. Necessary Equipment: *1 liter beaker *Glass thermometer / *Wrist watch or stopwatch NOTE:...

  • Page 26: Procedure For Measuring Microwave Energy Leakage

    8. PROCEDURE FOR MEASURING MICROWAVE ENERGY LEAKAGE 8.1. Equipment - Electromagnatic radiation monitor - Glass thermometer 212 °F or 100 °C - 600cc glass beaker 8.2. Procedure for measuring radiation leakage Note before measuring. - Do not exceed meter full scale deflection. Leakage monitor should initially be set to the highest scale.

  • Page 27: Record Keeping And Notification After Measurement

    8.2.1. Measurement with the outer panel removed. Whenever you replace the magnetron, measure for radiation leakage before the outer panel is installed and after all necessary components are replaced or adjusted. Special care should be taken in measuring around the magnetron. 8.2.2.

  • Page 28: Trouble) Oven Stops Operation During Cooking

    DANGER HIGH VOLTAGES 1. DO NOT RE-ADJUST PRESET CONTROL on the H.V.Inverter (U). It is very dangerous to repair or without sufficient test equipment because this circuit handles very large current and high voltage. Operating a misaligned inverter circuit is dangerous. 2.
  • Page 29 SYMPTOM CAUSE CORRECTIONS 1. Oven is dead. Open or loose lead wire harness Check fan motor if thermal is defective. Open thermal cutout Fuse is OK. Open low voltage transformer No display and no operation Defective DPC at all. 2. No display and no operation Shorted lead wire harness Check adjustment of primary, at all.
  • Page 30 SYMPTOM CAUSE CORRECTIONS 5. Timer starts count down but Off-alignment of latch switches Adjust door and latch switches. no microwave oscillation. Open or loose connection of high (No heat while oven lamp voltage circuit especially magnetron and fan motor turn on) filament circuit NOTE: Large contact resistance will bring...
  • Page 31 SYMPTOM CAUSE CORRECTIONS 13. Oven returns to plugged in 1. Open or loose wiring of sensor mode after 10 seconds terminal from DPC elapses on the Auto sensor 2. Open steam sensor cooking mode. 3. Defective DPC 9.2. Troubleshooting of inverter circuit (U) and magnetron [NEW H.V. This oven is programmed with a self diagnostics failure code system which will help for troubleshooting.
  • Page 32 SYMPTOM CHECK RESULT CAUSE STEP CORRECTIONS No display when oven is first Fuse pattern of DPC Normal STEP 2 plugged in. Oven is dead. Open (NOTE) Shorted ZNR,L.V.T., Lamp etc.Replace Low voltage Abnormal 0V transformer (LVT) Normal Step secondary voltage Abnormal ZD11, Q11 IC-1 pin 16 voltage...

  • Page 33: How To Check The Semiconductors Using An Ohm Meter

    SYMPTOM CHECK RESULT CAUSE STEP CORRECTIONS Missing or lighting of incorrect Replace IC-1 and Normal IC-1 segment check operation Abnormal DISPLAY Unplug CN702(2 pin) H97/H98 appears in window 1. Latch connector and and oven stops operation. 2. DPC/Power measure voltage Program High power for 1 Relay between terminals...

  • Page 34: Parts List

    11. PARTS LIST NOTE: 1. When ordering replacement part(s), please use part number(s) shown in this part list. Do not use description of the part. 2. Important safety notice: Components identified by mark have special characteristics important for safety. When replacing any of these components, use only manufacture’s specified parts.
  • Page 35 Ref. No. Part No. Part Name & Description Pcs/Set Remarks F00064080BP CAUTION LABEL F00069000EP CAUTION LABEL GPG, EPG F04905R80HEP ENERGY LABEL F663WF EPG F04905R80SEP ENERGY LABEL F623MF EPG F04905R70HEP ENERGY LABEL F653WF EPG F04906A00HEP ENERGY LABEL Q553WF EPG F04905Q90SEP ENERGY LABEL Q523MF EPG F04905Q50HEP ENERGY LABEL...

  • Page 36: Door Assembly

    Ref. No. Part No. Part Name & Description Pcs/Set Remarks F900C5R00EP AC CORD W/PLUG V*** GPG, F*** EPG F606Y4V00BP H.V.INVERTER (U) F65855R00BP INVERTER BRACKET XTWFA4+12T SCREW FOR MAGNETRON XTWFA4+12D SCREW FOR CABINET BODY XTCAFA4+ SCREW V***MF, F***MF, T***MF, Q***MF / (FOR CABINET BODY 12AFS SIDE) XTCAFA4+...

  • Page 37: Wiring Materials

    Ref. No. Part No. Part Name & Description Pcs/Set Remarks F30185Q00AP DOOR KEY A F30015Q00HBP DOOR A T***WF, Q***WF, V***WF, F***WF F30015Q00SBP DOOR A T***MF, Q***MF, V***MF, F***MF F30015Q00CBP DOOR A V***CF F301P5R00AP DOOR E (U) V*** BPQ, V*** GPG, F*** EPG F302K5Q00AP DOOR E (U) T*** BPQ, Q*** EPG...
  • Page 39 Ref. No. Part No. Part Name & Description Pcs/Set Remarks F603L5R60BP D.P.CIRCUIT (AU) V653WF/CF BPQ, V623MF BPQ F603L5R60GP D.P.CIRCUIT (AU) V653WF/CF GPG, V623MF GPG F603L5R20BP D.P.CIRCUIT (AU) V453WF BPQ F603L5R20GP D.P.CIRCUIT (AU) V453WF GPG, V423MF GPG F603L5Q70BP D.P.CIRCUIT (AU) T553WF BPQ, T523MF BPQ F603L5Q30BP D.P.CIRCUIT (AU) T543WF BPQ...

  • Page 40: Packing And Accesories

    Ref. No. Part No. Part Name & Description Pcs/Set Remarks F80165Q50EP DISPLAY FRAME F663WF EPG, F653WF EPG, F623MF EPG, Q553WF EPG, Q543WF EPG, Q523MF EPG F66165Q00EP FLAT CABLE F663WF EPG, F653WF EPG, F623MF EPG, Q553WF EPG, Q543WF EPG, Q523MF EPG F00075R70HBP NAME PLATE V653WF BPQ...

  • Page 41: Schematic Diagram

    Ref. No. Part No. Part Name & Description Pcs/Set Remarks F00035R20BP INSTRUCTION MANUAL V*** BPQ F00035R20GP INSTRUCTION MANUAL V*** GPG F00035Q50EP INSTRUCTION MANUAL F*** EPG, Q*** EPG F00035Q30BP INSTRUCTION MANUAL T*** BPQ F01025R70HBP PACKING CASE, PAPER V653WF BPQ F01025R70CBP PACKING CASE, PAPER V653CF BPQ F01025R60SBP PACKING CASE, PAPER V623MF BPQ...
  • Page 43 17. DIGITAL PROGRAMMER CIRCUIT (EPG MODELS) SCHEMATIC DIAGRAM...
  • Page 45 18. DIGITAL PROGRAMMER CIRCUIT (BPQ & GPG MODELS) PARTS LIST...
  • Page 46 Ref. No. Part No. Part Name & Description Pcs/Set Remarks BZ310 AEFBAT2001 BUZZER 2.0KHz C221 AECUU06F103Z CHIP CAPACITOR 0.01 F/50V C343 AECUU06C101J CHIP CAPACITOR 100PF/50V C12, C340, C440 AECUT06F104Z CHIP CAPACITOR F/25V C330 AECUU06R102K CHIP CAPACITOR 1000PF/50V AECETK1V561B AL CHEM CAPACITOR F/35V AEEMXH01505W CONNECTOR...
  • Page 47 Ref. No. Part No. Part Name & Description Pcs/Set Remarks BZ310 AEFBAT2001 BUZZER 2.0KHz C80, C81, C221 AECUU06F103Z CHIP CAPACITOR 0.01 F/50V C90, C343 AECUU06C101J CHIP CAPACITOR 100PF/50V C12, C222, C340, C440 AECUT06F104Z CHIP CAPACITOR F/25V C330 AECUU06R102K CHIP CAPACITOR 1000PF/50V AECETK1V561B AL CHEM CAPACITOR...
  • Page 48 Ref. No. Part No. Part Name & Description Pcs/Set Remarks AEBJQ1A18 POWER RELAY AETP5L00QP LOW VOLTAGE TRANSFORMER ZD10 AESZMTZJ5R6B ZENER DIODE 03/03 / S-5R2, S-5R5 / S-5R6, S-5R7 / S-5R8, S-5Q3 / S-5Q5, S-5Q7 / S- 5Q8, S-5Q9 / S-6A0 / Printed in China...

This manual is also suitable for:

Nn-v653cfNn-v623mfNn-f663wfNn-f653wfNn-f623mfNn-v453wf ... Show all

Table of Contents