Panasonic NN-T695 Service Manual
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Panasonic NN-T695 Service Manual

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NN-T695 NN-T685SF
NN-T675SF NN-T665SF
NN-T655SF NN-T664SFR
NN-H665 NN-S655
NN-H645 NN-S645
NN-H635 NN-S635
NN-H625 NN-S625
NN-S615 NN-S605
NN-S505 NN-S665
NN-H624BFR NN-H624WFR
NN-H504BFR NN-H504WFR
APH(USA)
CPH(CANADA)
RPH(Mexico/Latin American)
© 2005 Panasonic Home Appliances Microwave
Oven (Shanghai) Co., Ltd. All rights reserved.
Unauthorized copying and distribution is a violation
of law.
ORDER NO.PHAMOS0501001C7

Microwave Oven

E1

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Summary of Contents for Panasonic NN-T695

  • Page 1: Microwave Oven

    NN-H645 NN-S645 NN-H635 NN-S635 NN-H625 NN-S625 NN-S615 NN-S605 NN-S505 NN-S665 NN-H624BFR NN-H624WFR NN-H504BFR NN-H504WFR APH(USA) CPH(CANADA) RPH(Mexico/Latin American) © 2005 Panasonic Home Appliances Microwave Oven (Shanghai) Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.
  • Page 2 NN-T695 NN-T685SF...
  • Page 3 NN-T695 NN-T685SF...

  • Page 4: Table Of Contents

    NN-T695 NN-T685SF CONTENTS Page Page 1 SCHEMATIC DIAGRAM 5.3. Magnetron 1.1. APH 5.4. Membrane key board (Membrane switch assembly) 1.2. CPH 5.5. Inverter power supply (U) 1.3. RPH 6 MEASUREMENTS AND ADJUSTMENTS 2 DESCRIPTION OF OPERATING SEQUENCE 6.1. Adjustment of primary latch switch, secondary latch switch 2.1.

  • Page 5: Schematic Diagram

    NN-T695 NN-T685SF 1 SCHEMATIC DIAGRAM 1.1.

  • Page 6: Cph

    NN-T695 NN-T685SF 1.2.

  • Page 7: Rph

    NN-T695 NN-T685SF 1.3.

  • Page 8: Description Of Operating Sequence

    NN-T695 NN-T685SF 2 DESCRIPTION OF OPERATING SEQUENCE 2.1. Variable power cooking 2.3. Inverter defrost control When the Auto Control feature is selected and the Start pad is tapped: High Voltage Inverter Power Supply (U) controls output power 1. The digital programer circuit determines the power level and by the signal from Digital Programmer Circuit (DPC).

  • Page 9: Sensor Reheat (Only For Sensor Models)

    NN-T695 NN-T685SF Explanation of the Auto Sensor Cooking process 2.5. Sensor reheat (Only for sensor 1. During the first 10 second period there is no microwave models) activity. When calculating the T2 time by using the formula below make sure this 10 seconds is subtracted Auto Sensor Reheat is a quick and easy way to reheat from the T1 time.

  • Page 10: Cautions To Be Observed When Troubleshooting

    NN-T695 NN-T685SF 3 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING Unlike many other appliances, the microwave oven is a high voltage, high current device. It is free from danger in ordinary use, though extreme care should be taken during repair. Caution Servicemen should remove their watches whenever working close to or replacing the magnetron.

  • Page 11: Part Replacement

    NN-T695 NN-T685SF Discharging the high voltage capacitors 3.6. Confirm after repair WARNING 1. After repair or replacement of parts, make sure that the There is high voltage present with high current capabilities screws of the oven, etc. are neither loosen or missing.

  • Page 12: Disassembly And Parts Replacement Procedure

    NN-T695 NN-T685SF 4 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 4.1. Magnetron 4.2. Digital programmer circuit (D.P.C) 1. Discharge high voltage charge. 2. Remove 1 screw holding air guide A on the oven cavity. NOTE: 3. Remove 1 screw holding air guide B.

  • Page 13: Low Voltage Transformer And/Or Power Relays (Ry1, Ry2)

    NN-T695 NN-T685SF 4.3. Low voltage transformer 4.5. Door assembly and/or power relays (RY1, 1. Remove door C from door E by carefully pulling outward, RY2) starting from upper right hand corner using a flat blade screwdriver. NOTE: 2. Separate door E from tabs on door A and remove door A.

  • Page 14: Turntable Motor

    NN-T695 NN-T685SF 4.6. Turntable motor 4.7. Steam sensor 1. Remove the motor cover by cutting, at the locations 1. Disconnect connector CN2 from digital programmer circuit indicated by the arrows, with a cutter. board. NOTE: 2. Disengage catch hooks on sensor cover C from orifice.

  • Page 15: Inverter Power Supply

    NN-T695 NN-T685SF 4.8. 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 16: Component Test Procedure

    NN-T695 NN-T685SF 5 COMPONENT TEST PROCEDURE 5.3. Magnetron 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 Continuity checks can only indicate an open filament or a cycle.

  • Page 17: Inverter Power Supply (U)

    NN-T695 NN-T685SF 5.5. Inverter power supply (U) 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.

  • Page 18: Measurements And Adjustments

    NN-T695 NN-T685SF 6 MEASUREMENTS AND ADJUSTMENTS 6.1. Adjustment of primary latch switch, secondary latch switch and short switch. 1. Mount the Primary latch switch, the Secondary latch switch and the Short switch to the door hook assembly as shown in ILL.

  • Page 19: Procedure For Measuring Microwave Energy

    NN-T695 NN-T685SF 7 PROCEDURE FOR MEASURING MICROWAVE ENERGY LEAKAGE 7.2.1. 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.

  • Page 20: Troubleshooting Guide

    NN-T695 NN-T685SF 8 TROUBLESHOOTING GUIDE DANGER HIGH VOLTAGES 1. DO NOT RE-ADJUST PRESET CONTROL on the H.V.Inverter (U). It is very dangerous to repair or adjust without proper test equipment because this circuit handles very large current and high voltage. Operating a misaligned inverter circuit is dangerous.
  • Page 21 NN-T695 NN-T685SF SYMPTOM CAUSE CORRECTIONS 1. Oven is dead. Open or loose lead wire harness Check fan motor if thermal cutout is defective. Open thermal cutout Fuse is OK. Open low voltage transformer No display and no operation at all.

  • Page 22: Troubleshooting Of Inverter Circuit (U) And Magnetron

    NN-T695 NN-T685SF 8.2. 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. H97, H98, and H99 are the provided failure codes to indicate magnetron and inverter circuit problem areas. This section explains failure codes of H97, H98, and H99.

  • Page 23: Simple Way Of H.v. Inverter/Magnetron Troubleshooting

    NN-T695 NN-T685SF 8.3. Simple way of H.V. Inverter/magnetron troubleshooting Purpose: Simple way (3/23 seconds rule) of identifying whether it’s Magnetron, Inverter, or others. Set-up: The unit under question is connected through the Ammeter as shown below. Procedure: Follow the matrix table below to identify the problem source.

  • Page 24: Exploded View And Parts List

    NN-T695 NN-T685SF 9 EXPLODED VIEW AND PARTS LIST 9.1. EXPLODED VIEW...

  • Page 25: Parts List

    NN-T695 NN-T685SF 9.2. 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.
  • Page 26 NN-T695 NN-T685SF Ref. No. Part No. Part Name & Description Pcs/Set Remarks F40084T00AP FAN BLADE F40257D00AP AIR GUIDE A F41445Y00AP ORIFICE A707S4T00AP STEAM SENSOR T6*5SF APH/CPH,T695SF/SM RPH,T664SFR APH, H6*5 APH/CPH,H624*FR APH,H504*FR APH F64508660AP SENSOR COVER B T6*5SF APH/CPH,T695SF/SM RPH,T664SFR APH,...

  • Page 27: Door Assembly

    NN-T695 NN-T685SF 9.3. DOOR ASSEMBLY Ref. No. Part No. Part Name & Description Pcs/Set Remarks F3018-1200 DOOR KEY A T6*5 APH/CPH/RPH,T664SFR APH F30184Y30XN DOOR KEY A H6*5 APH/CPH,S**5 APH/CPH/RPH F301A7D00SAP DOOR A (U) T695SF APH/CPH/RPH,T685SF APH/CPH,T675SF APH,T665SF APH F301A7D40SAP DOOR A (U)

  • Page 28: Escutcheon Base Assembly

    NN-T695 NN-T685SF 9.4. ESCUTCHEON BASE ASSEMBLY 9.4.1. NN-T695SF APH/CPH, T695SF/SM RPH Ref. No. Part No. Part Name & Description Pcs/Set Remarks F603L7D00AP D.P.CIRCUIT (AU) T695SF APH F603L7D00CP D.P.CIRCUIT (AU) T695SF CPH F603L7D00RP D.P.CIRCUIT (AU) T695SF/SM RPH F603Y7D00AP D.P.CIRCUIT (DU) T695SF APH F603Y7D00CP D.P.CIRCUIT (DU)
  • Page 29 NN-T695 NN-T685SF 9.4.2. NN-T685SF APH/CPH, T675SF APH Ref. No. Part No. Part Name & Description Pcs/Set Remarks F603L7D10AP D.P.CIRCUIT (AU) T685SF APH,T675SF APH F603L7D10CP D.P.CIRCUIT (AU) T685SF CPH F603Y6K10AP D.P.CIRCUIT (DU) T685SF APH,T675SF APH F603Y5W00CP D.P.CIRCUIT (DU) T685SF CPH F800L6K70AP...
  • Page 30 NN-T695 NN-T685SF 9.4.3. NN-H665 APH/CPH, H635 APH, S655 APH, S645 APH, S615 CPH Ref. No. Part No. Part Name & Description Pcs/Set Remarks F603L7D60AP D.P.CIRCUIT (AU) H665BF/WF APH,H635BF/WF APH F603L7D60CP D.P.CIRCUIT (AU) H665BF/WF CPH F603L7D80AP D.P.CIRCUIT (AU) S655BF/WF APH F603L7E20AP D.P.CIRCUIT (AU)
  • Page 31 NN-T695 NN-T685SF 9.4.4. NN-H645 APH, S635 APH/CPH, H625 APH, S625 CPH, S605 CPH, S505 APH/CPH, S655 RPH, S645 RPH, H624*FR APH, H504*FR APH Ref. No. Part No. Part Name & Description Pcs/Set Remarks E101 F603L7E00AP D.P.CIRCUIT (AU) S635BF/WF APH E101 F603L7E80CP D.P.CIRCUIT (AU)
  • Page 32 NN-T695 NN-T685SF Ref. No. Part No. Part Name & Description Pcs/Set Remarks E111 F66175L00AP DISPLAY TUBE COVER H645 APH,S635 APH/CPH,H625 APH,S625 CPH,S605 CPH, S6*5 RPH,H624*FR APH E111 F66174T00AP DISPLAY TUBE COVER S505 APH/CPH,H504*FR APH E112 F67005U40XN RUBBER CONNECTOR H645 APH,S635 APH/CPH,H625 APH,S625 CPH,S605 CPH,...

  • Page 33: Packing And Accessories

    NN-T695 NN-T685SF 9.5. PACKING AND ACCESSORIES Ref. No. Part No. Part Name & Description Pcs/Set Remarks F00037D00AP INSTRUCTION MANUAL T695SF APH F00037D00CP INSTRUCTION MANUAL T695SF CPH F00037D00RP INSTRUCTION MANUAL T695SF/SM RPH F00037D10AP INSTRUCTION MANUAL T685SF APH,T675SF APH F00037D10CP INSTRUCTION MANUAL...

  • Page 34: Wiring Materials

    NN-T695 NN-T685SF Ref. No. Part No. Part Name & Description Pcs/Set Remarks F01027E80HCP PACKING CASE ,PAPER S635WF CPH F01027E70BCP PACKING CASE ,PAPER S605BF CPH F01027E70HCP PACKING CASE ,PAPER S605WF CPH F01026Z50BAP PACKING CASE ,PAPER H624BFR APH F01026Z50HAP PACKING CASE ,PAPER...

  • Page 35: Digital Programmer Circuit

    NN-T695 NN-T685SF 10 DIGITAL PROGRAMMER CIRCUIT 10.1. NN-T695SF APH/CPH, T695SF/SM RPH...
  • Page 36 NN-T695 NN-T685SF...

  • Page 37: Nn-T685Sf Aph/Cph, T675Sf Aph

    NN-T695 NN-T685SF 10.2. NN-T685SF APH/CPH, T675SF APH...
  • Page 38 NN-T695 NN-T685SF...

  • Page 39: Nn-T665Sf Aph, T655Sf Aph, T664Sfr Aph

    NN-T695 NN-T685SF 10.3. NN-T665SF APH, T655SF APH, T664SFR APH...
  • Page 40 NN-T695 NN-T685SF...

  • Page 41: Nn-H665 Aph/Cph, H635 Aph, S655 Aph, S645 Aph, S615 Cph

    NN-T695 NN-T685SF 10.4. NN-H665 APH/CPH, H635 APH, S655 APH, S645 APH, S615 CPH...
  • Page 42 NN-T695 NN-T685SF...

  • Page 43: Nn-H645 Aph, S635 Aph/Cph, H625 Aph, S625 Cph

    NN-T695 NN-T685SF 10.5. NN-H645 APH, S635 APH/CPH, H625 APH, S625 CPH, S605 CPH, S505 APH/CPH, S655 RPH, S645 RPH, H624*FR APH, H504*FR APH...
  • Page 44 NN-T695 NN-T685SF...

  • Page 45: Parts List

    NN-T695 NN-T685SF 10.6. PARTS LIST 10.6.1. NN-T695SF APH/CPH, T695SF/SM RPH Ref. No. Part No. Part Name & Description Pcs/Set Remarks BZ210 AEFBAT2001WQ BUZZER 2.0KHz C352 AECUU06C101J CHIP CAPACITOR 100PF/50V C40-C48,C330,C331 AECUU06R102K CHIP CAPACITOR 1000PF/50V C80,C81,C222,C228,C484,C486 AECUU06F103Z CHIP CAPACITOR 0.01µF/50V C481...
  • Page 46 NN-T695 NN-T685SF 10.6.2. NN-T685SF APH/CPH, NN-T675SF APH Ref. No. Part No. Part Name & Description Pcs/Set Remarks BZ310 AEFBAT2001WQ BUZZER 2.0KHz C343 AECUU06C101J CHIP CAPACITOR 100PF/50V C330,C331 AECUU06R102K CHIP CAPACITOR 1000PF/50V C221,C222,C486,C484 AECUU06F103Z CHIP CAPACITOR 0.01µF/50V C481 AECUU06F473Z CHIP CAPACITOR 0.047µF/50V...
  • Page 47 NN-T695 NN-T685SF 10.6.3. NN-T665SF APH, T655SF APH, T664SFR APH Ref. No. Part No. Part Name & Description Pcs/Set Remarks BZ210 AEFBAT2001WQ BUZZER 2.0KHz C352 AECUU06C101J CHIP CAPACITOR 100PF/50V C330 AECUU06R102K CHIP CAPACITOR 1000PF/50V C222,C486 AECUU06F103Z CHIP CAPACITOR 0.01µF/50V C481 AECUU06F473Z CHIP CAPACITOR 0.047µF/50V...
  • Page 48 NN-T695 NN-T685SF 10.6.4. NN-H665 APH/CPH, H635 APH, S655 APH, S645 APH, S615 CPH Ref. No. Part No. Part Name & Description Pcs/Set Remarks BZ310 AEFBAT2001WQ BUZZER 2.0KHz C352 AECUU06C101J CHIP CAPACITOR 100PF/50V C330 AECUU06R102K CHIP CAPACITOR 1000PF/50V C222 AECUU06F103Z CHIP CAPACITOR 0.01µF/50V...
  • Page 49 NN-T695 NN-T685SF 10.6.5. NN-H645 APH, S635 APH/CPH, H625 APH, S625 CPH, S605 CPH, S505 APH/CPH, S655 RPH, S645 RPH, H624*FR APH, H504*FR APH Ref. No. Part No. Part Name & Description Pcs/Set Remarks BZ210 AEFBAT2001WQ BUZZER 2.0KHz C352 AECUU06C101J CHIP CAPACITOR...

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