Panasonic NN-V659WB Service Manual Download

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ORDER NO. MOP9905005C2

© 1999 Matsushita Electric Industrial Co., Ltd.
All rights reserved. Unauthorized copying and
distribution is a violation of law.

Service Manual

Microwave Oven

NN-V659WB

NN-V659CB

NN-V659FB

NN-V629MB

NN-V689WB

Specifications:

Power Source:

240 V AC Single Phase, 50 Hz

Power Requirements:

Microwave: 1280W, Grill: 1360W, Maximum: 2580W

Output: (IEC705-88)

900W

Microwave Frequency:

2,450Mhz

Timer:

99 min. 99 sec.

Oven Cavity Size:

27L

Outside Dimensions:

510mm (W) X 380mm (D) X 304mm (H)

Inside Dimensions:

359mm (W) X 352mm (D) X 217mm (H)

Weight:

13 Kg

Inverter Power Supply

Output power:

IEC705-88 Test procedure

Specifications subject to change without notice

Summary of Contents for NN-V659WB

Page 1: ...Specifications Power Source 240 V AC Single Phase 50 Hz Power Requirements Microwave 1280W Grill 1360W Maximum 2580W Output IEC705 88 900W Microwave Frequency 2 450Mhz Timer 99 min 99 sec Oven Cavity...

Page 2: ...ry high voltage may remain in the circuitry even when the oven is off High voltages may remain in the capacitors on the board DO NOT 1 Do not touch the circuitry as it becomes very hot high voltage Ev...

Page 3: ...15 6 7 Turntable motor 15 6 8 Quartz heater 15 6 9 Steam Sensor NN V689WB 16 7 COMPONENT TEST PROCEDURE 17 7 1 Primary Latch Switch Secondary Secondary Latch Switch and Power Relay B Interlocks 17 7...

Page 4: ...ay a cooking program for up to 9 hrs 99 mins or used to time or for standing non cooking time 10 Clock Pad Press the clock pad Using the minute and second pads set the clock 12 hr clock Press clock pa...

Page 5: ...AY 1 Place water load in oven 2 Press Micro Power once to set High Power HIGH SET TIME 3 Set time at 5 sec by pressing 1 sec pad 5 times 4 Press Micro Power pad 3 times to set Medium Power 5 Set for 1...

Page 6: ...LL 1 SET TIME 2 Set cooking time GRILL 1 PRESS START 3 Press start H 1 00 PRESS START MIN SEC 1 00 MIN SEC 1 00 H 1 00 CHOOSE COOKING MODE 1H 00 MIN SEC 1 00 MIN SEC 1 00 OPERATION DISPLAY 1 Press com...

Page 7: ...auto sensor program STEAMED PUDDING PRESS START 2 Press start STEAMED PUDDING OPERATION DISPLAY 1 Press start 3 times to display lock LOCK OPERATION DISPLAY 1 Press stop cancel 3 times Time of day or...

Page 8: ...ctor housing PRIMARY LATCH SWITCH TOP SECONDARY LATCH SWITCH BOTTOM OUTSIDE SHORT SWITCH BOTTOM INSIDE MAGNETRON HIGH VOLTAGE INVERTER POWER RELAY RY1 POWER RELAY RY4 SYMBOL COLOUR OR ORANGE BL BLUE B...

Page 9: ...d and Start pad is pressed 1 The digital programmer circuit determines the power level and cooking time to complete cooking and indicates the operating state in the display The table shows the corresp...

Page 10: ...is subtracted from the T1 time In other words the T1 time starts at the end of the 10 second period 2 T1 Time The total amount of time it takes the microwave oven to switch to T2 time after the 10 sec...

Page 11: ...unding bracket to the chassis ground otherwise this H V Inverter circuit board will expose very high voltage and cause extreme DANGER Be sure to have proper grounding by the grounding plate and screws...

Page 12: ...ghtened 2 Make sure that all electrical connections are tight before inserting the plug into the wall outlet 3 Check for microwave energy leakage Refer to procedure for measuring microwave energy leak...

Page 13: ...base from the oven 5 Remove 1 screw to disconnect earth wire to magnetron 6 Remove 4 screws holding inverter power supply board to the Inverter bracket 7 Replace with replacement PCB and follow the st...

Page 14: ...ure the escutcheon sheet is earthed to the backplate via the earth strip 6 4 Low voltage transformer and or power relays RY1 NOTE Be sure to ground any static electric charge built up on your body bef...

Page 15: ...has no play between the inner door surface and oven front surface If the door assembly is not mounted properly microwave power may leak from the clearance between the door and oven 3 Perform the micro...

Page 16: ...m steam sensor unit 4 Remove catch hooks on sensor mounting plate and air guide 5 Remove steam sensor from sensor mounting plate NOTE When installing the steam sensor make sure that the direction of t...

Page 17: ...d magnetron 1 Isolate magnetron from the circuit by disconnecting the leads 2 A continuity check across magnetron filament terminals should indicate one ohm or less 3 A continuity check between each f...

Page 18: ...ally switches to remaining time cooking T2 6 The remaining cooking time T2 appears in the display window If the following cooking times appear Steam Sensor function is normal HEAT SINK CHOKE COIL SAND...

Page 19: ...ed to test the magnetron using the simple method outlined below Necessary Equipment 1 litre beaker Glass thermometer Wrist watch or stopwatch NOTE Check the line voltage under load Low voltage will lo...

Page 20: ...fective DPC AU or DPC DU 2 No display and no operation at all Fuse is blown 1 Shorted lead wire harness 2 Defective primary latch switch NOTE 1 3 Defective short switch NOTE 1 4 Defective Inverter pow...

Page 21: ...TIONS NEW H V CLOCK DELAY STAND START HIGH POWER DISPLAY 4N30BPQ DISPLAY 4N50BPQ NN V689WB H97 H98 appears in the Check magnetron filament OK Check Inverter input AC AC 240V Check Inverter control sig...

Page 22: ...e than 0 5A refer to component less than 0 4A Open DANGER Magnetron DPC board Power Delay Loose wiring Latch switch DO NOT try to REPAIR this Inverter Power Supply U display window pares measure at ov...

Page 23: ...n even though the program has been set and the start pad is tapped 1 IC 1 pin 11 voltage while operation Abnormal IC 1 Normal 5V Step 2 2 Short circuit between pin 6 and pin 16 of IC 2 Still not turn...

Page 24: ...24 10 EXPLODED VIEW AND PARTS LIST 1 2 3 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 37 38 39 40 41 38 42 43 4 4 5 6 46 44 45 36 47 48...

Page 25: ...0 E610T6700BP OVEN LAMP 1 21 E20994N30BP BRACKET A 1 22 E40254N30BP AIR GUIDE A 1 23 E66014L00GS INVERTER EARTH BRACKET 1 24 E65854L00GS INVERTER SUPPORT BRACKET 1 25 E606Y4N10GP INVERTER 1 26 E10014N...

Page 26: ...emarks D1 E302A4N30HBP DOOR A SCREEN B ASSY 1 NN V689WB NN V659WB D1 E302A4N30BP DOOR A SCREEN B ASSY 1 NN V659CB D1 E302A4N30NBP DOOR A SCREEN B ASSY 1 NN V629MB D1 E302A4N30ZBP DOOR A SCREEN B ASSY...

Page 27: ...BASE 1 NN V659CB E3 E80344L10NBP ESCUTCHEON BASE 1 NN V629MB E3 E80344L10ZBP ESCUTCHEON BASE 1 NN V659FB E4 E81274L10BP ESCUTCHEON BACK PLATE 1 E5 E603L4N50BP DPC AU 1 NN V689WB E5 E603L4N30BP DPC AU...

Page 28: ...TON BOX 1 NN V689WB P6 E01024N30HBP CARTON BOX 1 NN V659WB P6 E01024N30BP CARTON BOX 1 NN V659CB P6 E01024N30NBP CARTON BOX 1 NN V629MB P6 E01024N30ZBP CARTON BOX 1 NN V659FB P7 E01054N30BP LOWER FILL...

Page 29: ...et Side Strip Ref No 2 Pcs Set Microwave Oven Model No NN TKV69W E1603A510HBP 2 E1601A510HBP 2 NN V689WB NN V659WB NN TKV69C E1603A510BP 2 E1601A510BP 2 NN V659CB NN TKV69M E1603A510NBP 2 E1601A510NBP...

Page 30: ...30 16 DIGITAL PROGRAMMER CIRCUIT...

Page 31: ...31...

Page 32: ...CHIP RESISTOR 9 68K Ref No Part No Description Qty Remarks CN5 AEEM19FEBVKN 19 PIN CONNECTOR 1 CN1 AEEMMD05507W 7 PIN CONNECTOR 1 RY1 RY4 AEGG5G1A12 RELAY 2 12V RY2 RY3 AEBGG5N1A12 RELAY 2 12V D1 ERZV...

Page 33: ...V CHIP RESISTOR 9 68K Ref No Part No Description Qty Remarks CN5 AEEM19FEBVKN 19 PIN CONNECTOR 1 CN1 AEEMMD05507W 7 PIN CONNECTOR 1 RY1 RY4 AEGG5G1A12 RELAY 2 12V RY2 RY3 AEBGG5N1A12 RELAY 2 12V D1 ER...

Page 34: ...r Assembly Ref No Part No Description Qty Remarks R1 ERG1SJ753P RESISTOR 1 75K 1W C1 C2 QETJ5225KRP2CE CAPACITOR 2 2 2 f C3 C4 ECKMNA472ME CAPACITOR 2 4700pF 250V AC L1 SC 08 E203A INDUCTOR 1 2 4mH F1...

Page 35: ...35 NOTES...

Page 36: ...36 NOTES SM K PEN Printed in the UK S 4N30BP S 4N50BP...

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