Panasonic NN-SF564W Service Manual Download Page 32 | Manualshive

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11.2. PARTS LIST

Ref. No.

Part No.

Part Name & Description

Pcs/Set

Remarks

BZ210

L0DDEA000014

BUZZER

1

2.0KHz

DISP110

L5AYAYY00291

LCD

1

F67529L60XP

DIFFUSION SHEET

1

DISP1, HOLDER

F66179L60XP

LCD HOLDER

1

VA1

D4EAY5110002

ZENER RESISTOR

1

510V

VA2,VA3

D4EAY112A148

ZENER RESISTOR

2

1100V

IC1

MN69F009CP1

L.S.I.

1

PC25,PC27

B3PAA0000302

IC

2

IC10

C0DBGYY03746

IC

1

IC26

MIP2K30MSSCF

IC

1

RL1

K6B1AYY00129

POWER RELAY

1

T25

G4D2A0000320

LOW VOLTAGE TRANSFORMER

1

32

NN-SF564W

09/14
S-BN5
Printed in China

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Summary of Contents for NN-SF564W

Page 1: ... Panasonic Appliances Microwave Oven Shanghai Co Ltd 2014 NN SF564W MPQ Malaysia TTE Indonesia YTE Others Microwave Oven ORDER NO PAPMOSH1409028CE ...

Page 2: ...2 NN SF564W ...

Page 3: ...3 NN SF564W ...

Page 4: ...E 15 7 1 Primary Secondary Interlock Switch Power Relay RL1 15 7 2 Short Switch 15 7 3 Magnetron 15 7 4 Inverter power supply U 16 7 5 Temperature thermistor 16 8 MEASUREMENTS AND ADJUSTMENTS 17 8 1 Adjustment of Primary interlock switch Secondary interlock switch and Short switch 17 8 2 Measurement of microwave output 17 9 TROUBLESHOOTING GUIDE 18 9 1 Troubleshooting Oven stops operation during c...

Page 5: ...1 FEATURE CHART 2 CONTROL PANEL 5 NN SF564W ...

Page 6: ...3 SCHEMATIC DIAGRAM 6 NN SF564W ...

Page 7: ...0 to 40 kHz PWM pulse width modulation signal from the microcomputer in the DPC 3 This drives the High voltage transformer to increase voltage up to 2 000V AC 4 Then the half wave doubler voltage rectifier circuit consisting of the H V diodes and capacitors generates the necessary 4 000V DC needed for the magnetron 5 Output power of the magnetron tube is always monitored by the signal output from ...

Page 8: ... The aluminum heat sink may be HOT due to heat energy therefore extreme care should be taken during servicing 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 plate must be connected to the chassis If the inve...

Page 9: ... 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 5 6 Verification after repair 1 After repair or replacement of parts make sure that the screws of the oven etc are neither loosen or missing Microwave energy might leak if screws are not prope...

Page 10: ... hot 1 Discharge high voltage remaining in high voltage capacitor 2 Disconnect 2 high voltage lead wires from magnetron filament terminals 3 Disconnect connector CN701 CN702 from H V Inverter board 4 Remove 4 screws holding inverter reinforcement bracket A on right heater panel base plate respectively 5 Release locking tabs connecting inverter air guide with inverter bracket 6 Remove 1 screw holdi...

Page 11: ...erly in an x pattern making sure there is no gap between the waveguide and the magnetron to prevent microwave leakage CAUTION When replacing the magnetron be sure the antenna gasket is in place 6 3 Digital programmer circuit D P C Membrane Switch NOTE Be sure to ground any static electric charge built up on your body before handling the D P C 1 Remove 1 screw holding reinforcement bracket and escu...

Page 12: ...ft the edge of membrane sheet and peel off escutcheon sheet key board membrane completely from escutcheon base NOTE a The membrane key board is attached to the escutcheon base with double faced adhesive tape Therefore applying hot air such as using a hair dryer is recommended for smoother removal b When installing the new key board membrane make sure that the surface of escutcheon base is clean to...

Page 13: ...elays NOTE Do not use a soldering iron or desoldering tool of more than 30 watts on D P C contacts B With all the terminal pins cleaned and separated from D P C contacts remove the defective transformer power relays Replace components making sure all terminal pins are inserted completely resolder all terminal contacts carefully 6 5 Fan motor 1 Disconnect 2 lead wires from fan motor terminals 2 Rem...

Page 14: ...upper portion of the door will touch firmly to the oven cavity front plate without pushing the door If the door assembly is not mounted properly microwave power may leak from the clearance between the door and oven NOTE Always perform the microwave leakage measurement test after installation and adjustment of door assembly 6 7 Stirrer motor 1 Remove the motor cover by breaking off at the 8 spots i...

Page 15: ...losed Door Opened Primary Interlock Switch 0Ω Close Ω Open Secondary Interlock Switch 0Ω Close Ω Open Power Relay RL1 Ω Open Ω Open 7 2 Short Switch 1 Unplug lead wires from Inverter Power Supply U primary terminals 2 Connect test probes of ohm meter to the disconnected leads that were connected to Inverter Power Supply U 3 Test the continuity of short switch with door opened and closed positions ...

Page 16: ...Plug in the oven s AC power supply cord into outlet 4 Program DPC a Press Timer Clock pad twice b Press Start pad once c Press Micro Power pad once 5 Program oven at High power for 1 minute and press Start pad a After approximately 3 seconds oven stops operating b During oven operation the input current is approximately 0 4A INPUT CURRENT FAILURE CODE Unplug CN701 0 4A Oven stops in 3 seconds afte...

Page 17: ...nd all interlock switches again by following the component test procedures 8 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 wat...

Page 18: ... control panel Always touch ground while working on this panel to discharge any static charge in your body 7 220 240V AC is present on the digital programmer circuit Terminals of power relay s and primary circuit of Digital Programmer Circuit When troubleshooting be cautious of possible electrical shock hazard Before troubleshooting operate the microwave oven following the correct operating proced...

Page 19: ...ent of primary Interlock switch Adjust door and Interlock switches 2 Open or loose connection of high voltage circuit especially magnetron filament circuit NOTE Large contact resistance will cause lower magnetron filament voltage and cause magnetron to have lower output and or be intermittent 3 Defective high voltage component H V Inverter Power Supply U Magnetron Check high voltage component acco...

Page 20: ...97 H98 and H99 First you must program the DPC into TEST MODE press Timer Clock pad twice press Start pad once press Micro Power pad once Program unit for operation H95 H97 H98 H99 appears in display window a short time after Start pad is pressed and there is no microwave oscillation Alternate way to troubleshoot oven with AC Ampere meter used H95 H97 H98 H99 appears in display window a short time ...

Page 21: ...ion at high power Abnormal IC1 Normal 5V Step2 2 Collector of Q227 Abnormal Q222 and or Q225 Q227 Normal 0 7V RL1 Dark or unclear display 1 Replace display and check operation Normal Display Abnormal IC1 Missing or lighting of unnecessary segment 1 Replace IC1 and check operation Normal IC1 Abnormal Display H95 H97 H98 appears in window and oven stops operation Program High power for 1 minute and ...

Page 22: ...ocedure Power will Ammeter reading is To do Remedy Shut off in 23 seconds after Start 1 Between 0 5A and 1 0A Check and repair open magnetron circuit CN703 Open magnetron wiring between Inverter and magnetron terminal 2 Between 1 0A and 2 0A Check continuity of D702 in Inverter PCB 1 D702 shorted Replace H V Inverter F606YBH20GP 2 D702 is OK Replace magnetron Shut off in 3 seconds after Start 1 Le...

Page 23: ...1000VDC C702 ECWF4305N851 FILM CAPACITOR 1 3µF 250VDC DB701 B0FBBQ000006 RECTIFIER BRIDGE 1 L701 F5020W100AP CHOKE COIL 1 R702 D0CM562JA002 SAND BAR RESISTOR 1 5 6KΩ 15W T701 F609ABA00GP TRANSFORMER 1 INCLUDING D701 D702 C706 C707 D701 D702 B0FBAZ000006 DIODE 2 C706 F0C3F562A002 FILM CAPACITOR 1 5600PF 3KV C707 F0C3F822A002 FILM CAPACITOR 1 8200PF 3KV 23 NN SF564W ...

Page 24: ...10 EXPLODED VIEW AND PARTS LIST 10 1 EXPLODED VIEW 24 NN SF564W ...

Page 25: ...P U 1 LED LAMP INSIDE 22 F61425U30XN MICRO SWITCH 1 PRIMARY INTERLOCK SWITCH 23 F61415U30XN MICRO SWITCH 1 SECONDARY INTERLOCK SWITCH 24 F61459L00XP THERMAL CUTOUT 1 25 F61785U30XN MICRO SWITCH 1 SHORT SWITCH 26 2M261 M32KLP MAGNETRON 1 31 F62306V60BP FUSE 1 10A 250V 32 F62315G10XN FUSE HOLDER 1 34 F61449L00XP STIRRER MOTOR 1 35 F900C9L40KT AC CORD W PLUG 1 MPQ YTE 35 F900C9L40ZP AC CORD W PLUG 1 ...

Page 26: ... F630YBN50BMP MEMBRANE SWITCH U 1 E5 F8034BN00HHP ESCUTCHEON BASE 1 E6 F8072BN00HHP DOOR OPENING BUTTON 1 E7 F80375K00AP COOK BUTTON SPRING 1 E8 F82569M60BP DOOR OPENING LEVER 1 E9 F66139L60XP D P C BOARD SUPPORT 1 E10 F8127BN00HP GROUNDING PLATE 1 E15 F0007BN50HMP NAME PLATE 1 MPQ E15 F0007BN50HTT NAME PLATE 1 TTE E15 F0007BN50HYT NAME PLATE 1 YTE 26 NN SF564W ...

Page 27: ...Part No Part Name Description Pcs Set Remarks D1 F30186P40AG DOOR KEY A 1 D2 F302ABN50HQP DOOR A U 1 D3 F302K9Q30AP DOOR E U 1 D4 F30216P40AG DOOR KEY SPRING 1 D5 F30859Q30AP DOOR C 1 D6 F31459L70XP DOOR SCREEN A 1 27 NN SF564W ...

Page 28: ...10 5 WIRING MATERIALS Ref No Part No Part Name Description Pcs Set Remarks W1 F030ABN50MP LEAD WIRE HARNESS 1 W2 F030E 1R90 H V LEAD WIRE 1 W3 F0353BN50QP THERMISTOR HARNESS 1 28 NN SF564W ...

Page 29: ...E P1 F0003BN50TT INSTRUCTION MANUAL 1 TTE P2 F0102BN50HMP PACKING CASE PAPER 1 P3 F01049Q30AP UPPER FILLER 1 P4 F01059Q30AP LOWER FILLER 1 P5 F01064W00AP P E BAG 1 P6 F01078100XN DOOR SHEET 1 P9 F01089L00XP RACK PACKING 1 P11 F000BBN00BP COOK BOOK 1 P12 F0445BN50BMP OVERLAY 1 MPQ P14 F9164 9V80 EARTH LEAD 1 TTE 29 NN SF564W ...

Page 30: ...11 DIGITAL PROGRAMMER CIRCUIT 11 1 SCHEMATIC DIAGRAM 30 NN SF564W ...

Page 31: ...31 NN SF564W ...

Page 32: ...USION SHEET 1 DISP1 HOLDER F66179L60XP LCD HOLDER 1 VA1 D4EAY5110002 ZENER RESISTOR 1 510V VA2 VA3 D4EAY112A148 ZENER RESISTOR 2 1100V IC1 MN69F009CP1 L S I 1 PC25 PC27 B3PAA0000302 IC 2 IC10 C0DBGYY03746 IC 1 IC26 MIP2K30MSSCF IC 1 RL1 K6B1AYY00129 POWER RELAY 1 T25 G4D2A0000320 LOW VOLTAGE TRANSFORMER 1 32 NN SF564W 09 14 S BN5 Printed in China ...

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