Panasonic NN-P295 Service Manual
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Panasonic NN-P295 Service Manual

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ORDER NO.PHAMOS0503019A1
E2
Microwave Oven
NN-P295 NN-H275 / NN-S255 NN-S245 / NN-H264SFR / NN-
H264BFR / NN-H264WFR / NN-S254SFR / NN-S254BFR / NN-
S254WFR
APH(USA)
CPH(CANADA)
Please file and use this manual together with the service manual for
Model NN-S262SF (Order No.SIMMC0203005C1)
SPECIFICATIONS
1

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Summary of Contents for Panasonic NN-P295

  • Page 1 ORDER NO.PHAMOS0503019A1 Microwave Oven NN-P295 NN-H275 / NN-S255 NN-S245 / NN-H264SFR / NN- H264BFR / NN-H264WFR / NN-S254SFR / NN-S254BFR / NN- S254WFR APH(USA) CPH(CANADA) Please file and use this manual together with the service manual for Model NN-S262SF (Order No.SIMMC0203005C1)
  • Page 2 2005 Panasonic Home Appliances Microwave Oven (Shanghai) Co., Ltd. / All rights reserved. Unauthorized copying and distribution is a violation of law.
  • Page 6 1. SCHEMATIC DIAGRAM 1.1. APH (NN-P295, H275) 1.2. APH (NN-S255)
  • Page 7 1.3. APH (NN-H264*FR, S254*FR)
  • Page 8 1.4. CPH (NN-P295, H275)
  • Page 9 1.5. CPH (NN-S255, S245)
  • Page 10 2. MEASUREMENTS AND ADJUSTMENTS...
  • Page 11 2.1. 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. NOTE: No specific individual adjustments during installation of the Primary latch switch, Secondary latch switch or Short switch to the door hook are required.
  • Page 12 2.2. 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 13 RATED OUTPUT TEMPERATURE RISE 1100W Min. 16.9°F(9.4°C) 1200W Min. 18.5°F(10.3°C) 3. PROCEDURE FOR MEASURING MICROWAVE ENERGY LEAKAGE WARNING Check for radiation leakage after every servicing. Should the leakage be more than 2 mW/cm (1mW/ for Canada) inform PASC, PSC, or PCI immediately.
  • Page 14 1. Pour 275 ± 15cc (9ozs ± 1/2oz) of 20°C ± 5°C (68° ± 9°F) water in a beaker which is graduated to 600cc, and place in the center of the oven. 2. Set the radiation monitor to 2450MHz and use it following the manufacturer's recommended test procedure to assure correct results.
  • Page 15 4. SIMPLE WAY OF H.V. INVERTER/MAGNETRON TROUBLESHOUTING 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:...

  • Page 16: Ref. No

    Follow the matrix table below to identify the problem source. Note: Do not replace both Inverter board and Magnetron simultaneously and automatically without going through this procedure. Power will: Ammeter reading is: To do: Remedy: Shut off in 23 1. Between 0.5A and 1.0A. Check and repair open Open magnetron wiring seconds after...
  • Page 17 6.2. 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. When replacing any of these components, use only manufacture’s specified parts.
  • Page 18 Ref. No. Part No. Part Name & Description Pcs/Set Remarks F00205H00AP CAUTION LABEL F00067600CP CAUTION LABEL F00336Z00AP FUSE LABEL F110D6Z00SAP CABINET BODY (U) P295SF APH,H264SFR APH,S254SFR APH F110D6Z00SCP CABINET BODY (U) P295SF CPH F110D6Z00BAP CABINET BODY (U) P295BF,H275SF/ BF,S255BF,S245BF,H264BFR,S254BFR F110D6Z00HAP CABINET BODY (U) P295WF,H275WF,S255WF,S245WF,H264WFR,S254WFR F110D6Z00QAP...
  • Page 19 F607V6Z00AP LAMP COVER (U)
  • Page 20 Ref. No. Part No. Part Name & Description Pcs/Set Remarks F61846Z00AP GROUNDING PLATE F60405H00AP LAMP MEMBRANE F61446Z00AP STIRRER MOTOR F20155H00AP STIRRER F20165H00AP ANTENNA SUPPORT F60305H00AP INCANDESCENT LAMP F60305H00AP INCANDESCENT LAMP EXCEPT P295 APH/CPH F61525H00AP SOCKET F61525H00AP SOCKET EXCEPT P295 APH/CPH F67536Z00AP HEAD LAMP P295 APH/CPH...
  • Page 21 Ref. No. Part No. Part Name & Description Pcs/Set Remarks F11196F00SAP VENT GRILLE OSTENTATIOUS P295SF CPH COVER F11196Z00BAP VENT GRILLE OSTENTATIOUS P295BF APH/CPH COVER F11196Z00HAP VENT GRILLE OSTENTATIOUS P295WF APH/CPH COVER F11206F00AP VENT GRILLE INSTALLATION P295 APH/CPH BRACKET F11176F00SAP VENT GRILLE P295SF,P295BF F11176Z00HAP VENT GRILLE...
  • Page 22 Ref. No. Part No. Part Name & Description Pcs/Set Remarks F3018-1200 DOOR KEY A F302A6F00SAP DOOR A (U) P295SF APH/CPH F302A6Z00BAP DOOR A (U) P295BF APH/CPH F302A6Z00HAP DOOR A (U) P295WF APH/CPH F302A6Z20SAP DOOR A (U) H275SF APH/CPH F302A6Z30BAP DOOR A (U) H275BF APH/CPH,S255BF APH/CPH F302A6Z30HAP DOOR A (U) H275WF APH/CPH,S255WF APH/CPH...

  • Page 23: P295Sf/Bf/Wf Aph

    6.4. ESCUTCHEON BASE ASSEMBLY 6.4.1. NN-P295 APH/CPH Ref. No. Part No. Part Name & Description Pcs/Set Remarks F603L6Z00AP D.P.CIRCUIT (AU) P295SF/BF/WF APH F603L6Z00CP D.P.CIRCUIT (AU) P295SF/BF/WF CPH F603Y6Z00AP D.P.CIRCUIT (DU) P295SF/BF/WF APH F603Y6Z00CP D.P.CIRCUIT (DU) P295SF/BF/WF CPH F800L6Z00SAP ESCUTCHEON BASE (U)

  • Page 24: H275Sf/Bf/Wf/Qf Aph

    Ref. No. Part No. Part Name & Description Pcs/Set Remarks F00076Z00BCP NAME PLATE P295BF CPH F00076Z00HCP NAME PLATE P295WF CPH 6.4.2. NN-H275 APH/CPH Ref. No. Part No. Part Name & Description Pcs/Set Remarks F603L6Z20AP D.P.CIRCUIT (AU) H275SF/BF/WF/QF APH F603L6Z20CP D.P.CIRCUIT (AU) H275SF/BF/WF/QF CPH F800L6Z20SAP ESCUTCHEON BASE (U) H275SF APH...
  • Page 25 Ref. No. Part No. Part Name & Description Pcs/Set Remarks F803G7Z20HAP POP-UP DIAL (U) H275WF APH/CPH F803G7Z20QAP POP-UP DIAL (U) H275QF APH/CPH F801876Z20AP BACKSTOP H275 APH/CPH F00076Z20SAP NAME PLATE H275SF APH F00076Z30BAP NAME PLATE H275BF APH F00076Z30HAP NAME PLATE H275WF APH F00076Z30QAP NAME PLATE H275QF APH F00076Z20SCP NAME PLATE...

  • Page 26: S255Bf/Wf Aph

    Ref. No. Part No. Part Name & Description Pcs/Set Remarks F603L6Z60AP D.P.CIRCUIT (AU) S255BF/WF APH F603L6Z60CP D.P.CIRCUIT (AU) S255BF/WF CPH F603L6Y90CP D.P.CIRCUIT (AU) S245BF/WF CPH F603L6Z80AP D.P.CIRCUIT (AU) H264*FR APH F603L6Z90AP D.P.CIRCUIT (AU) S254*FR APH F80346Z60BAP ESCUTCHEON BASE S255BF APH/CPH F80346Z60HAP ESCUTCHEON BASE S255WF APH/CPH F800L5H00SAP ESCUTCHEON BASE (U)
  • Page 27 Ref. No. Part No. Part Name & Description Pcs/Set Remarks F00036Z00AP INSTRUCTION MANUAL P295SF/BF/WF APH F00036Z00CP INSTRUCTION MANUAL P295SF/BF/WF CPH F00036Z20AP INSTRUCTION MANUAL H275SF/BF/WF/QF APH F00036Z20CP INSTRUCTION MANUAL H275SF/BF/WF/QF CPH F00036Z60AP INSTRUCTION MANUAL S255BF/WF APH F00036Z60CP INSTRUCTION MANUAL S255BF/WF CPH F00036Y90CP INSTRUCTION MANUAL S245BF/WF CPH...
  • Page 28 Ref. No. Part No. Part Name & Description Pcs/Set Remarks F01026Z90BAP PACKING CASE,PAPER S254BFR APH F01026Z90HAP PACKING CASE,PAPER S254WFR APH F01045H00AP UPPER FILLER P295 APH/CPH,S245 CPH,H264*FR APH,S254*FR APH F01046Z20AP UPPER FILLER H275 APH/CPH,S255 APH/CPH F01055H00AP LOWER FILLER P295 APH/CPH,S245 CPH,H264*FR APH,S254*FR APH F01056Z20AP LOWER FILLER H275 APH/CPH,S255 APH/CPH...

  • Page 29: Table Of Contents

    F030A6Y90CP LEAD WIRE HARNESS S245BF/WF CPH F030A6Z80AP LEAD WIRE HARNESS H264*FR APH,S254*FR APH F030E5H00AP H.V.LEAD WIRE F030E5H00CP H.V.LEAD WIRE F03536F00AP LEAD WIRE HARNESS U (INCLUDING CABEL CONNECTOR CN4) F03556Z00AP LEAD WIRE HARNESS P295 APH/CPH (INCLUDING SOCKET) 7. DIGITAL PROGRAMMER CIRCUIT 7.1. NN-P295 APH/CPH...
  • Page 31 7.2. NN-H275 APH/CPH, NN-S255 APH/CPH...
  • Page 33 7.3. NN-S245 CPH, H264*FR APH, S254*FR APH...
  • Page 35 7.4. PARTS LIST 7.4.1. NN-P295 APH/CPH, S255 APH/CPH...
  • Page 36 Ref. No. Part No. Part Name & Description Pcs/Set Remarks BZ210 AEFBAT2001WQ BUZZER 2.0KHz C111 ECQV1H474JL2 METAL FILM CAPACITOR 0.47 F/50V C350 F1H1H101A894 CHIP CAPACITOR 100PF/50V C112,C330,C331 F1H1H102A896 CHIP CAPACITOR 1000PF/50V C12,C14,C16,C220,C440 F1H1H103A897 CHIP CAPACITOR 0.01 F/50V C500 F1H1H103A897 CHIP CAPACITOR 0.01 F/50V (P295 APH/CPH) C17,C40,C223,C351...
  • Page 37 Ref. No. Part No. Part Name & Description Pcs/Set Remarks R501-R504 D1AC3300A063 METAL FILM RESISTOR ,1/4W,1% (P295 APH/CPH) ZD110 B0BA3R500006 ZENER DIODE ZD220 AESZMTZJ120B ZENER DIODE ZD500 B0BA01400009 ZENER DIODE (P295 APH/CPH) K6B1AZA00005 POWER RELAY RY2-RY7 K6B1AZA00011 POWER RELAY K6B1AZA00011 POWER RELAY (P295 APH/CPH) K6B1CZA00004...
  • Page 38 Ref. No. Part No. Part Name & Description Pcs/Set Remarks Q114 UNR221100L CHIP DIGI-TRANSISTOR D41,D220-D223 B0AACK000004 DIODE D10-D13,D110,D111 AESSRCT1A6-E DIODE D500,D502 AEDNRB721Q DIODE AERZ271KSBN VARISTOR 270V D26,D27 AERZ102KSBN VARISTOR 1000V (CPH) R120 AERJ06JR00R CHIP RESISTOR ,1/10W,5% R80,R81,R211,R354 AERJ06J102R CHIP RESISTOR ,1/10W,5% R22,R82,R83,R230,R340-R344, AERJ06J103R...
  • Page 39 Ref. No. Part No. Part Name & Description Pcs/Set Remarks BZ310 AEFBAT2001WQ BUZZER 2.0KHz C343 F1H1H101A894 CHIP CAPACITOR 100PF/50V C330,C331 F1H1H102A896 CHIP CAPACITOR 1000PF/50V C13,C221,C440 F1H1H103A897 CHIP CAPACITOR 0.01 F/50V C582 F1H1H103A897 CHIP CAPACITOR 0.01 F/50V(H264*R APH) C12,C14,C340 F1H1E104A108 CHIP CAPACITOR F/25V C568,C580,C583 F1H1E104A108...
  • Page 40 Ref. No. Part No. Part Name & Description Pcs/Set Remarks R570 AERJ06J363R CHIP RESISTOR ,1/10W,5% (H264*R APH) R582 AERJ06J364R CHIP RESISTOR 360K ,1/10W,5% (H264*R APH) R580 AERJ06J392R CHIP RESISTOR 3.9K ,1/10W,5% (H264*R APH) R331,R441 AERJ06J471R CHIP RESISTOR ,1/10W,5% R593 AERJ06J472R CHIP RESISTOR 4.7K ,1/10W,5% (H264*R APH)
  • Page 41 ORDER NO.SIMMC 0203005C1 Microwave Oven NN-S262SF / NN-S262BF / NN-S262WF / NN-S252BF / NN- S252WF APH(USA) CPH(CANADA) SPECIFICATIONS 2002 Shanghai Matsushita Microwave Oven Co., Ltd. / All rights...
  • Page 42 svcdoc Microwave Oven 1 1. FEATURE CHART 5 2. CONTROL PANEL (APH) 6 3. CONTROL PANEL (CPH) 7 4. OPERATION AND DIGITAL PROGRAMMER CIRCUIT TEST PROCEDURE 8 4.1. To set clock 8 4.2. Time cooking for two stage 9 4.3. Inverter turbo defrost 10 4.4.

  • Page 43: Microwave Oven

    svcdoc 12.2.1. Measurement with the outer panel removed. 33 12.2.2. Measurements with a fully assembled oven. 33 12.3. Record keeping and notification after measurement 33 12.4. At least once a year, have the radiation monitor checked for calibration by its manufacturer. 33 13.
  • Page 44 reserved. Unauthorized copying and distribution is a violation of law.

  • Page 48: Feature Chart

    1. FEATURE CHART MODEL NN-S262 NN-S252 FEATURE Five Stage Cooking Inverter Turbo Defrost Sensor Reheat Sensor Cooking Auto Reheat Inverter Auto Cooking Quick Min Popcorn Digital Clock Timer Child Safety Lock Vent Fan Cooktop Light 2. CONTROL PANEL (APH)

  • Page 49: Control Panel (Cph)

    3. CONTROL PANEL (CPH)

  • Page 50: Operation And Digital Programmer Circuit Test Procedure

    4. OPERATION AND DIGITAL PROGRAMMER CIRCUIT TEST PROCEDURE 4.1. To set clock...

  • Page 51: Time Cooking For Two Stage

    OPERATION SCROLL DISPLAY 1. Plug the power supply BEFORE USE REFER TO cord into wall outlet. OPERATING INSTRUCTIONS 2. Press [Clock] pad. 3. Enter time of day (TOD) by pressing appropriate [Number] pads. 4. Press [Clock] pad. TOD has now been resistered into the digital programmer circuit and will count up...

  • Page 52: Inverter Turbo Defrost

    OPERATION SCROLL DISPLAY 6. Press [Start] pad. 7. When 1st stage cooking time has elapsed. Oven beeps twice and automatically switches to 2nd stage cooking. 8. When 2nd stage Time of day or colon if cooking time has set appears in the display elapsed, oven beeps 5 times and shuts off.

  • Page 53: Popcorn

    OPERATION SCROLL DISPLAY 1. Press [Beverages] BEVERAGES pad once. PRESS SERVING WEIGHT 2. Press [Serving/Weight 2 CUPS ] pad twice to select 2 cups 3. Press [Start] pad. When cooking time has Time of day or colon if elapsed, Oven beeps 5 set appears in the times and shuts off.

  • Page 54: Power Level

    OPERATION SCROLL DISPLAY 1. Press [Auto Reheat] pad twice for two servings. 2. Press [Start] pad.Auto Reheat cycle begins time counts down. 3.When cooking time Time of day or colon if has elapsed, Oven set appears in the beeps 5 times and shuts display.

  • Page 55: Schematic Diagram (Cph)

    6. SCHEMATIC DIAGRAM (CPH)

  • Page 56: Description Of Operating Sequence

    7. DESCRIPTION OF OPERATING SEQUENCE 7.1. 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 57: Inverter Power Supply Circuit [New H.v.]

    The ON/OFF time ratio does not correspond with the percentage of microwave power since approximately 2 seconds are required for heating of magnetron filament. Variable Power Cooking OUTPUT ON-OFF TIME OF POWERSETTING POWER( POWER RELAY B (RY1) APPROX. ON(SEC) OFF(SEC) HIGH 100% MEDIUM-...

  • Page 58: 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. Table shows the corresponding cooking times for respective serving by categories.
  • Page 59 DANGER OF HIGH VOLTAGE AND HIGH / TEMPERATURE (HOT/LIVE) OF THE INVERTER / POWER SUPPLY (U) This High Voltage Inverter Power Supply circuit supplies very high voltage and very high current for the magnetron tube. Though it is free from danger in ordinary use, extreme care should be taken during repair.

  • Page 60: When Parts Must Be Replaced, Remove The Power Plug From The Outlet

    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 oven energized. DO NOT measure the voltage in the high voltage circuit including filament voltage of magnetron.

  • Page 61: Confirm After Repair

    8.6. Confirm after repair 1. After repair or replacement of parts, make sure that the screws of the oven, etc. are neither loose nor missing. / Microwaves might leak if screws are not properly tightened. 2. Make sure that all electrical connections are tight before inserting the plug into the wall outlet.

  • Page 62: Disassembly And Parts Replacement Procedure

    IMPORTANT NOTICE [NEW H.V.] 1.The following components have potentials above 2000V while the appliance is operated. * Magnetron * High voltage transformer * High voltage diode * High voltage capacitor Pay special attention to these components. 2.When the appliance is operated with the door hinge or magnetron fixed incorrectly, the microwave leakage can reach more than 5mW/cm After repair or exchange, it is very important to...

  • Page 63: Low Voltage Transformer And/Or Power Relays (Ry1, Ry2)

    before handling the DPC. 1. Disconnect all connectors from D.P.C. 2. Remove 2 screws holding escutcheon base and slide the escutcheon base upward slightly. 3. Release CN6 connector's lock of D.P.C by pushing both levels to inside and pull them upward, and remove flat cable of membrane keyboard.

  • Page 64: Inverter Power Supply (U)

    before handling the DPC. (A) Using solder wick or a desoldering tool and 30W soldering iron, carefully remove all solder 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.
  • Page 65 7. Remove 1 screw holding orifice on the Inverter bracket. 8. Release 2 tabs to make Inverter bracket flat, and then remove orifice. 9. Release 2 tabs on the Inverter bracket and make flat. 10. Unplug 3 connector on H.V. Inverter (U). 11.

  • Page 66: Door Assembly

    9.5. Door assembly 1. Remove door C from door E by carefully pulling outward starting from upper right hand corner using a flat blade screwdriver. 2. Separate door E from tabs on door A and remove door A. 3. Remove door screen B from door A. 4.

  • Page 67: Stirrer Motor

    9.6. Stirrer motor 1. Release 1 canoe clip on the cover and then remove the cover. 2. Pull out stirrer. 3. Remove 3 screws which holding exhaust guide A on the oven. 4. Tilt exhaust guide A. 5. Disconnect 2 connectors from stirrer motor. 6.

  • Page 68: Fan Motor B (For Magnetron Cooling)

    9.9. Fan motor B (for magnetron cooling) 1. Disconnect 2 lead wires from fan motor B terminals. 2. Remove 4 screws holing fan motor B(U)Assembly. 3. Remove 4 screws which holding fan case installation plate on the fan case C. 4.

  • Page 69: Component Test Procedure

    1. Disconnect 2 lead wires from turntable motor terminals. 2. Remove 1 screw holding turntable motor. 3. Release from retainer tab by turn spinning certain angle, remove turntable. 10. 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.

  • Page 70: Magnetron

    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. / Normal continuity readings should be as follows. 10.3. Magnetron Continuity checks can only indicate an open filament or a shorted magnetron. To diagnose for an open filament or shorted magnetron.
  • Page 71 DANGER HIGH VOLTAGE Test if failure codes of H97 or H98 appears by doing the following procedure. It is recommended to use an AC line input current Ampere meter for testing. Test1 1. Program DPC. A. Tap Clock B. Tap Timer C.

  • Page 72: Measurements And Adjustments

    B. During oven operation, input current is approximately less than 0.4A. INPUT AMPERE FAILURE CODE Unplug CN701 <0.4A Oven stops in 3 seconds after started. If both a and b are OK, the Inverter Power Supply (U) can be determined OK. 11.

  • Page 73: Measurement Of Microwave Output

    circuit and all latch switches again by following the components test procedures. 11.2. 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.

  • Page 74: Procedure For Measuring Microwave Energy Leakage

    TABLE (1L-1min.test) RATED OUTPUT TEMPERATURE RISE 1100W(IEC705-88) Min. 16.9°F(9.4°C) 1200W(IEC705-88) Min. 18.5°F(10.3°C) 12. PROCEDURE FOR MEASURING MICROWAVE ENERGY LEAKAGE WARNING Check for radiation leakage after every servicing. Should the leakage be more than 2 mW/cm (1mW/ for Canada) inform PASC, PSC, or PCI immediately.

  • Page 75: Measurement With The Outer Panel Removed

    1. Pour 275 ± 15cc (9ozs ± 1/2oz) of 20°C ± 5°C (68° ± 9°F) water in a beaker which is graduated to 600cc, and place in the center of the oven. 2. Set the radiation monitor to 2450MHz and use it following the manufacturer's recommended test procedure to assure correct results.

  • Page 76: Troubleshooting Guide

    13. TROUBLESHOOTING GUIDE...
  • Page 77 CAUTION 1. Check grounding before checking for trouble. 2. Be careful of high voltage circuit. 3. Discharge high voltage capacitor. 4. When checking the continuity of the switches or the high voltage transformer,disconnect one lead wir from these parts and then check continuity with the AC plug removed. To do otherwise may result in a false reading or damage to your meter.
  • Page 78 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 79: Trouble Related To Digital Programmer Circuit

    13.1. Trouble related to digital programmer circuit SYMPTOM STEP CHECK RESULT CAUSE/CORRECTIO No display when oven is Fuse pattern of DPC Normal STEP 2 first plugged in. Oven is Open (NOTE) Shorted Circuit of dead. ZNR,L.V.T., Oven Lamp etc.Replace D Low voltage Abnormal 0V transformer (LVT)

  • Page 80: Troubleshooting Of Inverter Circuit (U) And Magnetron [New H.v.]

    SYMPTOM STEP CHECK RESULT CAUSE/CORRECTIO Unplug CN702(2 pin) H97/H98 appears in window 1. Latch Switch connector and and ovenstops operation. 2. DPC/Power Relay measure voltage Program High powerfor 1 AC line voltage Step 2 between terminals minute and conduct of 120V following testquickly, unless Unplug CN701(3 pin) H97/H98 appears andoven...

  • Page 81: How To Check The Semiconductors Using An Ohm Meter

    13.3. How to check the semiconductors using an OHM meter 14. EXPLODED VIEW AND PARTS LIST...
  • Page 82 15. 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 83 Ref. No. Part No. Part Name & Description Pcs/Set Remarks F00205H00AP CAUTION LABEL F00067600CP CAUTION LABEL F00335H00AP FUSE LABEL F110D5H00SAP CABINET BODY (U) S262SF F110D5H10BAP CABINET BODY (U) S262BF, S252BF F110D5H10HAP CABINET BODY (U) S262WF, S252WF F100D5H00AP BASE PLATE (U) F201A5H00AP OVEN (U) S262SF/BF/WF...
  • Page 84 Ref. No. Part No. Part Name & Description Pcs/Set Remarks F100T5H00AP BACK PLATE B (U) F400B5H00AP FILTER (U) F400K5H00AP EXHAUST ADAPTER F63175H00SAP GLASS PLATE HOLDER S262SF F63175H10BAP GLASS PLATE HOLDER S262BF, S252BF F63175H10HAP GLASS PLATE HOLDER S262WF, S252WF F64375H00AP GLASS PLATE F41575H00AP FAN INSTALLATION PLATE F42175H00AP...

  • Page 85: Door Assembly

    Ref. No. Part No. Part Name & Description Pcs/Set Remarks F03345H20CP MENU LABEL S252BF/WF CPH 16. DOOR ASSEMBLY Ref. No. Part No. Part Name & Description Pcs/Set Remarks F3018-1200 DOOR KEY A F302A5H00AP DOOR A (U) S262SF F302A5H00BAP DOOR A (U) S262BF, S252BF F302A5H00HAP DOOR A (U) S262WF, S252WF...

  • Page 86: Escutcheon Base Assembly

    Ref. No. Part No. Part Name & Description Pcs/Set Remarks F030A5H00AP LEAD WIRE HARNESS F030A5H00CP LEAD WIRE HARNESS F030E5H00AP H.V.LEAD WIRE F030E5H00CP H.V.LEAD WIRE F03535H00AP LEAD WIRE HARNESS U 18. ESCUTCHEON BASE ASSEMBLY...

  • Page 87: Packing And Accesories

    Ref. No. Part No. Part Name & Description Pcs/Set Remarks F603L5H00AP D.P.CIRCUIT S262SF APH, S262BF/WF APH F603L5H20AP D.P.CIRCUIT S252BF/WF APH F603L5H00CP D.P.CIRCUIT S262SF CPH, S262BF/WF CPH F603L5H20CP D.P.CIRCUIT S252BF/WF CPH F630Y5H10BAP MEMBRANE SWITCH (U) S262SF/BF APH F630Y5H10HAP MEMBRANE SWITCH (U) S262WF APH F630Y5H20BAP MEMBRANE SWITCH (U) S252BF APH...
  • Page 88 Ref. No. Part No. Part Name & Description Pcs/Set Remarks F00035H00AP INSTRUCTION MANUAL F00035H00CP INSTRUCTION MANUAL F01025H00AP PACKING CASE PAPER S262SF APH F01025H10BAP PACKING CASE PAPER S262BF APH F01025H10HAP PACKING CASE PAPER S262WF APH F01025H20BAP PACKING CASE PAPER S252BF APH F01025H20HAP PACKING CASE PAPER S252WF APH F01025H00CP...

  • Page 89: Digital Programmer Circuit

    20. DIGITAL PROGRAMMER CIRCUIT SCHEMATIC DIAGRAM...

  • Page 90: Digital Programmer Circuit

    21. DIGITAL PROGRAMMER CIRCUIT PARTS LIST...
  • Page 91 Ref. No. Part No. Part Name & Description Pcs/Set Remarks BZ310 AEFBTFM571 BUZZER 2.0KHz C221, C440, C13 AECUU06F103Z CHIP CAPACITOR 0.01 F/50V C582 AECUU06F103Z CHIP CAPACITOR 0.01 F/50V (S262SF/BF/WF) C343 AECUU06C101J CHIP CAPACITOR 100PF/50V C12, C14, C340 AECUT06F104Z CHIP CAPACITOR F/25V C568, C580, C583 AECUT06F104Z...
  • Page 92 Ref. No. Part No. Part Name & Description Pcs/Set Remarks R182, R183 AERJ06J221R CHIP RESISTOR , 1/16W, 5% R220, R222, R223 AERJ06J222R CHIP RESISTOR 2.2K, 1/16W, 5% R594 AERJ06J223R CHIP RESISTOR 22K, 1/16W, 5% R573 AERJ06J304R CHIP RESISTOR 300K, 1/16W, 5% (S262SF/BF/WF) R310 AERJ06J332R CHIP RESISTOR...

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