Panasonic NN-T793SF APH Service Manual

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Operating instructions manual (30 pages)

Setup manual (9 pages)

Service manual (24 pages)

Table Of Contents

ORDER NO.SIMMC 0301003A1

Microwave Oven

NN-T793SF / NN-T783SF / NN-T763SF / NN-S763BF / NN-

S763WF / NN-S753BF / NN-S753WF / NN-S743BF / NN-

S743WF

APH(USA)

CPH(CANADA)

Please file and use this specified manual together with the service

manual for Model NN-S560BF/WF(ORDER NO. SIMMC0001002C3).

SPECIFICATIONS

Table of Contents

Troubleshooting

Summary of Contents for Panasonic NN-T793SF APH

Page 1 ORDER NO.SIMMC 0301003A1 Microwave Oven NN-T793SF / NN-T783SF / NN-T763SF / NN-S763BF / NN- S763WF / NN-S753BF / NN-S753WF / NN-S743BF / NN- S743WF APH(USA) CPH(CANADA) Please file and use this specified manual together with the service manual for Model NN-S560BF/WF(ORDER NO. SIMMC0001002C3). SPECIFICATIONS...
Page 6 1. SCHEMATIC DIAGRAM (APH) 2. SCHEMATIC DIAGRAM (CPH)
Page 7 3. MEASUREMENTS AND ADJUSTMENTS...
Page 8 3.1. 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 adjustment during installation of the Primary latch switch, Secondary latch switch or short switch to the door hook are required.
Page 9 3.2. 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 10 RATED OUTPUT TEMPERATURE RISE 1200W(IEC705-88) Min. 18.5°F(10.3°C) 1300W(IEC705-88) Min. 19.8°F(11.1°C) 1400W(IEC705-88) Min. 21.6°F(12.0°C) 4. PROCEDURE FOR MEASURING MICROWAVE ENERGY LEAKAGE NOTE: The U.S. Government standard is 5 mW/cm while in the customer’s home. 2mW/cm stated here is our own voluntary standard. (1mW/ for Canada) 4.1.
Page 11 2. Set the radiation monitor to 2450MHz and use it following the manufacturer's recommended test procedure to assure correct results. 3. When measuring the leakage, always use the 2 inch (5cm) spacer supplied with the probe. 4. Tap the start pad or set the timer and with the magnetron oscillating, measure the leakage by holding the probe perpendicular to the surface being measured.
Page 12 5. EXPLODED VIEW AND PARTS LIST 6. 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 13 specified parts. NOTE: “A” parts are supplied by MOD (Japan) “F” parts are supplied by SIMMC (China) Ref. No. Part No. Part Name & Description Pcs/Set Remarks F00064W70AP CAUTION LABEL T*** APH F00069660AP CAUTION LABEL S*** APH F00067600CP CAUTION LABEL F00075X00SAP NAME PLATE T793SF APH...
Page 14 Ref. No. Part No. Part Name & Description Pcs/Set Remarks F61455L00CP THERMAL CUTOUT 105°C F66264W00AP THERMAL CUTOUT INSULATION BRACKET F61785U30XN MICRO SWITCH (SHORT SWITCH) (KW3-0T-A (375)) A606Y5X00AP H.V.INVERTER (U) F65855X00AP INVERTER BRACKET T*** APH F65855W00AP INVERTER BRACKET T*** CPH, S*** APH/CPH 2M261-M32F MAGNETRON 2M261-M32G...
Page 15 Ref. No. Part No. Part Name & Description Pcs/Set Remarks F603L5X20AP D.P.CIRCUIT RTL (W/COMPONENT) S763BF/WF APH F603L5X30AP D.P.CIRCUIT RTL (W/COMPONENT) S753BF/WF APH F603L5X40AP D.P.CIRCUIT RTL (W/COMPONENT) S743BF/WF APH F603L5X20CP D.P.CIRCUIT RTL (W/COMPONENT) S763BF/WF CPH F603L5X30CP D.P.CIRCUIT RTL (W/COMPONENT) S753WF CPH F630Y5X20BAP MEMBRANE SWITCH (U) S763BF APH F630Y5X20HAP MEMBRANE SWITCH (U)
Page 17 Ref. No. Part No. Part Name & Description Pcs/Set Remarks F603L5X00AP D.P.CIRCUIT (AU) T793SF APH F603L5X70AP D.P.CIRCUIT (AU) T783SF APH, T763SF APH F603L5X00CP D.P.CIRCUIT (AU) T793SF CPH F800L4W70BAP CONTROL PANEL (AU) T783SF APH, T763SF APH F630Y5X10SAP MEMBRANE SWITCH (U) T783SF APH F630Y5X70SAP MEMBRANE SWITCH (U) T763SF APH F82565X00AP...
Page 18 Ref. No. Part No. Part Name & Description Pcs/Set Remarks F00035X00AP INSTRUCTION MANUAL T793SF APH F00035X20AP INSTRUCTION MANUAL T783SF APH, T763SF APH, S763BF/WF APH F00035X30AP INSTRUCTION MANUAL S753BF/WF APH F00035Y70AP INSTRUCTION MANUAL S743BF/WF APH F00035X00CP INSTRUCTION MANUAL T793SF CPH F00035X20CP INSTRUCTION MANUAL S763BF/WF CPH F00035X30CP...
Page 19 Ref. No. Part No. Part Name & Description Pcs/Set Remarks F3018-1200 DOOR KEY A F302A5X00SAP DOOR A (U) T***SF APH/CPH F30015X20BAP DOOR A S763BF APH/CPH, S753BF APH, S743BF APH F30015X20HAP DOOR A S763WF APH/CPH, S753WF APH/CPH, S743WF APH F302K4W00AP DOOR E (U) F30215G10XN DOOR KEY SPRING F30854W00AP...
Page 20 Ref. No. Part No. Part Name & Description Pcs/Set Remarks F030A4W00AP LEAD WIRE HARNESS F030A4W10CP LEAD WIRE HARNESS F030E5K00AP H.V.LEAD WIRE F030E4W00CP H.V.LEAD WIRE 12. DIGITAL PROGRAMMER CIRCUIT (NN-T793 APH/ CPH) SCHEMATIC DIAGRAM...
Page 22 13. DIGITAL PROGRAMMER CIRCUIT (NN-T783 APH, / NN-T763 APH) SCHEMATIC DIAGRAM...
Page 24 14. DIGITAL PROGRAMMER CIRCUIT (NN-S763 APH/ CPH, NN-S753 CPH) SCHEMATIC DIAGRAM...
Page 26 15. DIGITAL PROGRAMMER CIRCUIT (NN-S753 APH, / NN-S743 APH) SCHEMATIC DIAGRAM...
Page 28 16. DIGITAL PROGRAMMER CIRCUIT PARTS LIST...
Page 29 Ref. No. Part No. Part Name & Description Pcs/Set Remarks BZ310 AEFBAT2001 BUZZER 2.0KHz C221 AECUU06F103Z CHIP CAPACITOR 0.01 F/50V C222, C486 AECUU06F103Z CHIP CAPACITOR 0.01 F/50V (T793SF) C484 AECUU06F103Z CHIP CAPACITOR 0.01 F/50V (T793SF, T783SF APH, T763SF APH, S763BF/WF, S743BF/WF APH) C343 AECUU06C101J CHIP CAPACITOR...
Page 30 Ref. No. Part No. Part Name & Description Pcs/Set Remarks IC480 AEICUPC358G2 T793SF, T783SF APH, T763SF APH, S763BF/WF, S743BF/WF APH Q226 AESA14EKE CHIP DIGI-TRANSISTOR Q182, Q223, Q224 AESC23JKE CHIP DIGI-TRANSISTOR Q10, Q180 2SD1859TV2Q TRANSISTOR Q181, Q220, Q225 2SC2412KT146 CHIP TRANSISTOR R182, R183 AERJ06J101R CHIP RESISTOR...
Page 31 Ref. No. Part No. Part Name & Description Pcs/Set Remarks AEGG5G1A18 POWER RELAY AEBJQ1A18 POWER RELAY AETP284U0AP LOW VOLTAGE TRANSFORMER ZD10 AESZMTZJ5R6B ZENER DIODE SW1-SW4, SW6-SW8, SW11- EVQ11L05R SWITCH T793SF SW30 01/03 / S-5X0, S-5X1 / S-5X2, S-5X3 / S-5X4, S-5X7 / Printed in China...
Page 32 ORDER NO. SIMMC 0001002C1 Service Manual Microwave Oven MODELS Canada NN-S560BF/WF NN-S550BF/WF NN-S540BF/WF NN-L530BF NN-L530WF NN-L520WF NN-S510WF * RPH Model refer to the last page. Specifications for APH : NN-S560BF/WF NN-S550BF/WF NN-S540BF/WF NN-L530BF/WF Model: Specifications: Power Source: * 120V AC Single Phase, 60Hz Power Requirement: 1370W 1370W...
Page 33: Table Of Contents
5. Any serviceman who learns of any accident pertaining to microwave radiation leakage including the oven operating with open door should immediately notify the appropriate address listed below and Center for Devices and Radiological Health, DHHS. IN U.S.A. Panasonic Services Company IN PUERTO RICO (PASC) 50 Meadowland Parkway,...
Page 34 DANGER OF HIGH VOLTAGE AND HIGH TEMPERATURE (HOT/LIVE) OF THE INVERTER POWER SUPPLY INVERTER WARNING This Inverter board looks like a regular PCB. However, this PCB drives the magnetron tube with extremely high voltage NEW HV and high current. IT HAS: 1. Very high voltage and high current circuits. It functions the same as the high voltage transformer and high voltage capacitor in ordinary microwave ovens.
Page 35: Feature Chart
FEATURE CHART NN-S560WF NN-S550WF NN-S540WF NN-S510WF MODEL FEATURE NN-S530WF NN-S520WF Three Stage Cooking Inverter Turbo Defrost Auto Reheat Inverter Auto Cook Sensor Reheat Sensor Cook Quick Min Popcorn Timer Digital Clock CONTROL PANEL NN-S560(CPH) NN-S550 NN-S560(APH) a a a a a a a a a a Inverter Auto...
Page 36 CONTROL PANEL NN-S540 NN-L530 NN-L520 MN-S510 Display Windows Popcorn Pad Inverter Turbo Defrost Pad (4a) Sensor Reheat Pad (4b) Auto Reheat Pad Power Level Pad Number Pads Timer Pad Clock Pad Sensor Cook Pad (10) Inverter Auto Cooking Pads (11) Quick Min Pad (12) More /Less Pad (13) Cooking Guide (14) Auto Cook Pad...
Page 37: Operation And Digital Programmer Circuit Test Procedure
OPERATION AND DIGITAL PROGRAMMER CIRCUIT TEST PROCEDURE When you pluge the power supply cord into the wall outlet, microwave oven automatically enter into the state of lb / oz. If you want to use g / kg state, please press Start pad after pluging the power source. 1.
Page 38 8. Auto Reheat OPERATION SCROLL DISPLAY OPERATION SCROLL DISPLAY 3. Press Serving / Weight pad. (Select 4. 6. 10. 14 slices) 1. Press Auto Reheat pad twice for two servings. 4. Press Start pad. 2. Press Start pad.Auto Reheat 4.10 cycle begins time counts down.
Page 39: Schematic Diagrams
SCHEMATIC DIAGRAM (APH) SCHEMATIC DIAGRAM (APH) - 7 -...
Page 40 SCHEMATIC DIAGRAM (CPH) SCHEMATIC DIAGRAM (CPH) - 8 -...
Page 41: Description Of Operating Sequence
DESCRIPTION OF OPERATING SEQUENCE 1. Variable power cooking control Variable Power Cooking The coil of power relay B (RY1) is energized intermittently by the digital ON-OFF TIME OF OUTPUT programmer circuit, when the oven is set at any power selection except POWER RELAY B (RY1) POWER SETTING POWER(%)
Page 42 4. Sensor Cooking (NN-S560BFAPH/CPH NN- AUTO SENSOR COOKING/REHEAT PROCESS S560WFAPH/CPH) Auto sensor cooking is a revolutionary way to cook by microwave without setting a power level or selecting a time. All that is necessary is to select an Auto Sensor Program before starting to cook.
Page 43: Cautions To Be Observed When Troubleshooting
CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING Unlike many other appliances, the microwave oven is high-voltage, high WARNING current equipment. Though it is free from danger in ordinary use, extreme Never touch any circuit wiring with your hand nor with an care should be taken during repair.
Page 44 6.Confirm after repair (A) 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. (B) Make sure that all electrical connections are tight before inserting the plug into the wall outlet.
Page 45: Disassembly And Parts Replacement Procedure
DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 1. Magnetron (A) Discharge the high voltage capacitors, as mentioned and shown on page 11. (B) Remove 1 screw holding air guide c to magnetron. (C) Disconnect 2 high voltage lead wires from magnetron filament terminals. (D) Remove 4 screws holding the magnetron.
Page 46 5. Door assembly DOOR (A) Remove door C from door E by carefully pulling outward starting from CCREEN B upper right hand corner using a flat blade screwdriver. DOOR A (B) Separate door E from tabs on door A and remove door A. DOOR (C) Open Door E at the opening angle of approximately 10°...
Page 47 8. Inverter Power Supply (U) CAUTIONS WHILE REPLACING INVERTER POWER SUPPLY (U) 1. Make sure to leave the grounding plate in its place. 2. Make sure to securely tighten grounding screw from the bottom of chasis (base). 3. Securely connect 3 lead wire connectors. 4.
Page 48: Component Test Procedure
COMPONENT TEST PROCEDURE 5. Inverter Power Supply (U)for USA only CAUTION NEW. H.V. DO NOT try to REPAIR this H.V. Inverter power supply 1. High voltage is present at the high voltage terminal of (U).Replace as whole H.V. Inverter(U) Unit. the High Voltage Inverter (U) including aluminum heat sink during any cook cycle.
Page 49 6. Steam Sensor and Digital Programmer Circuit In order to determine if the steam sensor function of the digital programmer circuit is in working order or not, do the following test. 1) Place a water load (150 cc) in the oven. 2) Tap Sensor Reheat pad.
Page 50: Measurements And Adjustments
MEASUREMENTS AND ADJUSTMENTS WARNING * For continued protection against radiation hazard, SWITCH replace only with identical replacement parts(For touch m o d e l s P a r t N o . A N E 6 1 4 2 - 1 4 5 0 , T y p e N o . V-16G-3C26-M for Primary latch switch;...
Page 51: Procedure For Measuring Microwave Energy Leakage
PROCEDURE FOR MEASURING MICROWAVE ENERGY LEAKAGE (B) Should the radiation leakage be more than 2 mW/cm (1mW/cm WARNING for Canada) after determining that all parts are in good Check for radiation leakage after every servicing. Should condition, functioning properly, and genuine replacement parts as listed in this manual have been used, immediately the leakage be more than 2 mW/cm (1mW/cm...
Page 52: Troubleshooting Guide
TROUBLESHOOTING GUIDE 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 wire from these parts and then check continuity with the AC plug removed.
Page 53 Oven does not operate and return to plugged in 1. Defective DPC Check tighten screws on escutcheon mode as soon as start pad is pressed. base bracket, D.P.C. board. Loud buzzing noise can be heard. 1. Loose fan and fan motor Turntable motor does not rotate.
Page 54 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. First, you must program the DPC by pressing Clock , Time , Start , Power Level .
Page 55 Trouble Related to Digital Programmer Circuit SYMPTOM STEP CHECK RESULT CAUSE/CORRECTIONS No display when oven is first plugged in. Fuse pattern of DPC Normal STEP 2 Oven is dead. Open (NOTE) Shorted Circuit of ZNR, L.V.T., Oven Lamp etc. Replace DPC Low voltage transformer (LVT) Abnormal 0V ➝...
Page 56: Exploded View And Parts List
EXPLODED VIEW AND PARTS LIST - 24 -...
Page 57: Schematic Diagram & Parts List Of Digital Programmer Circuit
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. Pcs/ Ref.No.
Page 58 Pcs/ Ref.No. Part No. Part name & Description Remarks AC120V, SINGLE PHASE, 60Hz F400A4T00AP FAN MOTOR F40084T00AP FAN BLADE F40254T00AP AIR GUIDE A F41444T00AP ORIFICE F64505540AP EXHAUST GUIDE B S560*F*PH A707S4T00AP STEAM SENSOR S560*F*PH F65434T00AP SENSOR BRACKET C S560*F*PH F612E9660AP INCANDESCENT LAMP(U) 125V, 60Hz, 20W ANE6142-1450...
Page 59 DOOR ASSEMBLY (S-4T0) Pcs/ Ref.No. Part No. Part name & Description Remarks B3018-1480 DOOR KEY ==#A DOOR A F30014T00BAP ****BF*PH F30014T00HAP DOOR A ****WF*PH F302K4T00AP DOOR E (U) DOOR KEY SPRING B30214000AP F30854T00AP DOOR C F31454T00AP DOOR SCREEN A F31464T00BAP DOOR SCBEEN B ****BF*PH DOOR SCREEN B...
Page 60 ESCUTHEON BASE ASSEMBLY (S-4T0) Part name & Description Pcs/ Ref.No. Part No. Remarks S560BFAPH/S560WFAPH RTL (W/COMPONENT) F603L4T00AP D.P.CIRCUIT S560BFCPH/S560WFCPH RTL (W/COMPONENT) F603L4T00CP D.P.CIRCUIT S550BFAPH/S550WFAPH RTL (W/COMPONENT) F603L4T10AP D.P.CIRCUIT D.P.CIRCUIT S540BFAPH/S540WFAPH RTL (W/COMPONENT) F603L4T20AP F603L4T20CP D.P.CIRCUIT S540BFCPH/S540WFCPH RTL (W/COMPONENT) L530BF/WFAPH RTL (W/COMPONENT) F603L4T30AP D.P.CIRCUIT L530WF/L520WFCPH...
Page 61 PACKING AND ACCESORIES OVEN WALL TRAY PAD Cut into three parts when packing. FRONT VIEW ROLLER RING(U) Cut into two parts when packing. (S-4T0) Pcs/ Ref.No. Part No. Part name & Description Remarks S560BFAPH/S560WFAPH INSTRUCTION MANUAL F00034T00AP S560BFCPH/S560WFCPH INSTRUCTION MANUAL F00034T00CP S550BFAPH/S550WFAPH INSTRUCTION MANUAL...
Page 62 WIRING MATERIAL (S-4T0) Pcs/ Ref.No. Part No. Part name & Description Remarks LEAD WIRE HARNESS F030A4T20AP ******APH F030A4T00CP LEAD WIRE HARNESS ******CPH F030E4T00AP H.V. LEAD WIRE ******APH H.V. LEAD WIRE F030E4T00CP ******CPH - 30 -...
Page 63 DIGITAL PROGRAMMER CIRCUIT (NN-S560BFAPH/CPH,S560WFAPH/CPH) PARTS LIST Pcs/ Ref.No. Part No. Part name & Description Remarks BZ310 AEFB22EP20TL BUZZER 2.0KHz C12,C290,C291,C300,C301 AECUB2F104ZK CAPACITOR 0.1µF/25V C330 AECUB5C102KK CAPACITOR 0.1µF/50V C340 AECUB5F103ZK CAPACITOR 0.01µF/50V ECEA1VM471B ELECTROLYTIC CAPACITOR A 470µF/35V ECEA1CKA100B ELECTROLYTIC CAPACITOR A 10µF/16V AEEMXF01505W CONNECTOR...
Page 64 DIGITAL PROGRAMMER CIRCUIT (NN-S530BFAPH/CPH,S540BFAPH/CPH,S540WFAPH/CPH,L530BFAPH/CPH, L530WFAPH/CPH,L520WFAPH/CPH,L510WFAPH/CPH) PARTS LIST Pcs/ Ref.No. Part No. Part name & Description Remarks BZ310 AEFB22EP20TL BUZZER 2.0KHz C12,C290,C291,C300,C301 AECUB2F104ZK CAPACITOR 0.1MF/25V C330 AECUB5C102KK CAPACITOR 0.1MF/50V C340 AECUB5F103ZK CAPACITOR 0.01MF/50V ECA1VM471B ELECTROLYTIC CAPACITOR AL 470MF/35V ECEA1CKA100B ELECTROLYTIC CAPACITOR AL 10MF/16V AEEMXF01505W CONNECTOR...
Page 65 -33-...
Page 66 -34-...
Page 67 Model for Latin America & Mexico MODELS Mexico Latin America NN-S540BF/WF NN-540BF/WF * This product is based on NN-S540BF/WF APH model, the different parts are listed as followings: * Any serviceman who has any quiries or order service parts, please contact own area’s service company Pcs/ Ref.No.

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Panasonic NN-T793SF APH Service Manual

Table of Contents

Troubleshooting

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