Table of Contents
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Service Manual
Specifications:
Power Source:
Power Requirements:
Output: (IEC705-88)
Microwave Frequency:
Timer:
Oven Cavity Size:
Outside Dimensions:
Inside Dimensions:
Weight:
Inverter Power Supply
Output power:
240 V AC Single Phase, 50 Hz
Microwave: 1280W, Grill: 1360W, Maximum: 2580W
900W
2,450Mhz
99 min. 99 sec.
27L
510mm (W) X 380mm (D) X 304mm (H)
359mm (W) X 352mm (D) X 217mm (H)
13 Kg
IEC705-88 Test procedure
Specifications subject to change without notice
ORDER NO. MOP9905005C2
Microwave Oven
NN-V659WB
NN-V659CB
NN-V659FB
NN-V629MB
NN-V689WB
© 1999 Matsushita Electric Industrial Co., Ltd.
All rights reserved. Unauthorized copying and
distribution is a violation of law.
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Table of Contents
Troubleshooting
Related Manuals for Panasonic NN-V659WB
Summary of Contents for Panasonic NN-V659WB
- Page 1 ORDER NO. MOP9905005C2 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.
- Page 2 WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not con- tain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by elec- tricity should be serviced or repaired only by experienced professional technicians.
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Page 3: Table Of Contents
TABLE OF CONTENTS CONTROL PANELS..............................4 OPERATION AND DIGITAL PROGRAMMER CIRCUIT TEST PROCEDURE ............5 SCHEMATIC DIAGRAM............................8 DESCRIPTION OF OPERATING SEQUENCE ......................9 Variable power cooking control ........................9 Grill cooking ..............................9 Combination cooking............................9 Autoweight defrost, autoweight cook ....................... 9 Auto Sensor cook NN-V689WB ........................ -
Page 4: Control Panels
CONTROL PANELS NN-V659*/NN-V629* NN-V689 Display Window Time Pads (3a) Auto Weight Microwave Programs (3b) Auto Sensor Microwave Program (4a) Auto Weight Combination Programs (4b) Auto Sensor Combination (3a) Programs Auto Weight Defrost Programs Microwave Power Setting (3b) Grill Setting Combination Pad Delay/Stand Pad: This can be used to delay a cooking program for up to 9 hrs... -
Page 5: Operation And Digital Programmer Circuit Test Procedure
OPERATION AND DIGITAL PROGRAMMER CIRCUIT TEST PROCEDURE Operation guide on the display. To assist in programming, the next operation will appear on the display. When you are used to operating the oven, you can turn the operating guide off. To turn off: To turn on: Press 3 times Press 3 times... - Page 6 4. DELAY STAND 7. COMBINATION COOKING OPERATION DISPLAY OPERATION DISPLAY COMBINATION 1. Set power level and time 1. Press combination SELECT GRILL LEVEL 2. Press stand STAND SET TIME 2. Press stand GRILL 1 3. Set standing time PRESS START SELECT MICROPOWER 3.
- Page 7 9. AUTO SENSOR COOK (NN-V687WB) OPERATION DISPLAY 1. Select auto sensor program STEAMED PUDDING PRESS START 2. Press start STEAMED PUDDING 10. TO SET CHILD SAFETY LOCK OPERATION DISPLAY 1. Press start 3 times to display lock * LOCK 11. TO RESET CHILD LOCK OPERATION DISPLAY 1.
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Page 8: Schematic Diagram
SCHEMATIC DIAGRAM (PIEZO SENSOR NN-V689 ONLY) W IR IN G D IA G R A M N O TE: *W hen replacing, check the lead colour as show n. *C olours show n by ( ) indicate colours of leadw ire connector housing. M AG N ETR O N C AU TIO N : H EAT SIN K... -
Page 9: Description Of Operating Sequence
DESCRIPTION OF OPERATING SEQUENCE 4.1 Variable power cooking control VARIABLE POWER COOKING POWER OUTPUT RY-1 INVERTER HIGH VOLTAGE INVERTER POWER SUPPLY (U) controls SETTING POWER CONTROL output power by a signal from Digital Programmer Circuit (DPC). APPROX. SIGNAL Power relay 1 stays on to supply power to the inverter circuit. HIGH 900W stay ON... -
Page 10: Auto Sensor Cook Nn-V689Wb
4.5 Auto Sensor cook NN-V689WB 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. Understanding Auto Sensor Cooking As a food cooks, a certain amount fo steam is produced. -
Page 11: Cautions To Be Observed When Troubleshooting
CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING Unlike many other appliances, the microwave oven is high- voltage, high-current equipment. Though it is free from danger in ordinary use, extreme care should be taken during repair. H.V. INVERTER(U) CAUTION Servicemen should remove their watches whenever working BE SURE TO HAVE PROPER close to or replacing the magnetron. -
Page 12: When Parts Must Be Replaced, Remove The Power Plug From The Outlet
5.3 When parts must be replaced, remove 5.6 Confirm after repair the power plug from the outlet. 1. After repair or replacement of parts, make sure that the screws of the oven, etc. are neither loose nor missing. 5.4 When the 10A fuse is blown due to the Microwaves might leak if screws are not properly tightened. -
Page 13: Disassembly And Parts Replacement Procedure
DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 6.1 Magnetron DANGER 1. Discharge the high voltage capacitors. HIGH VOLTAGE 2. Remove 1 screw holding the air guide A. AREA 3. Remove 2 screws holding the tie bar. 4. Remove the oven lamp and lead wire harness cables from the Air guide A. -
Page 14: Digital Programmer Circuit (Dpc) And Membrane Key Board
6.3 Digital Programmer Circuit (DPC) and 6.4 Low voltage transformer and/or power membrane key board. relays (RY1) NOTE: Be sure to ground any static electric charge built up on NOTE: Be sure to ground any static electric charge built your body before handling the DPC. up on your body before handling the DPC. -
Page 15: Door Disassembly
6.6 Door disassembly 1. Remove door C from door E by carefully pulling outward starting from upper right hand corner using a flat blade TURNTABLE MOTOR screwdriver. 2. Remove 4 screws holding door E to door A assembly to separate door E from door A. 3. -
Page 16: Steam Sensor Nn-V689Wb
6.9 Steam Sensor NN-V689WB 1. Remove 1 screw holding steam sensor unit. SENSOR MOUNTING PLATE 2. Disconnect CN2 connector from digital programmer circuit board. HOOK EXHAUST GUIDE 3. Remove exhaust guide from steam sensor unit. 4. Remove catch hooks on sensor mounting plate and air guide. -
Page 17: Component Test Procedure
COMPONENT TEST PROCEDURE 7.3 Magnetron Continuity checks can only indicate an open filament or a CAUTION NEW H.V. shorted magnetron. To diagnose for an open filament or shorted 1. High voltage is present at the high voltage terminal of the magnetron. -
Page 18: Inverter Power Supply (U)
7.5 Inverter Power Supply (U) DO NOT try to REPAIR this H.V. Inverter power supply(U). Replace as whole H.V. Inverter(U) Unit. HIGH VOLTAGE HEAT SINK TRANSFORMER (RECTIFIER BRIDGE) CHOKE COIL FILM CAPACITORS CN 702 SAND BAR RESISTOR PRIMARY WINDINGS CUSTOM I.C. HIGH VOLTAGE DIODES PHOTO COUPLER CN 701... -
Page 19: Measurements And Adjustments
MEASUREMENTS AND ADJUSTMENTS WARNING • For continued protection against radiation hazard, replace only with identical replacement parts. • When the 10 Amp. fuse is blown due to the operation of SCREW short switch, you must replace Primary latch switch and short switch. -
Page 20: Troubleshooting Guide
TROUBLESHOOTING GUIDE NEW H.V. CAUTION 1. DO NOT try to REPAIR this H.V. Inverter power supply(U). Replace as whole H.V. Inverter(U) Unit. When returning H.V. Inverter(U) make sure to pack as originally packed. 2. DO NOT RE-ADJUST PRESET VOLUME on the H.V. Inverter(U). It is very dangerous to repair or adjust without sufficient test equipment because this circuit handles very large current with very high voltage. - Page 21 SYMPTOMS CAUSE CORRECTIONS Turntable motor does not rotate. 1. Open or loose wiring of turntable motor 2. Defective turntable motor 10 Oven stops operation during cooking. 1. Open or loose wiring of primary and Adjust door and latch switches. secondary latch switch 11 Oven returns to plug in mode 9 secs.
- Page 22 NEW H.V. Alternative way to troubleshooting oven with AC Ampare meter used. Oven shuts down after approximately 15 or 33 seconds. If the microwave oven shuts down after a short time in micropower mode, conduct the following test. The microwave oven must be set in test mode to activate the self diagnostic failure code system. SELF TEST MODE DISPLAY DISPLAY...
- Page 23 Trouble Related to Digital Programmer Circuit SYMPTOM STEP CHECK RESULT CAUSE/CORRECTIONS No display when oven is first Fuse pattern of DPC Normal STEP 2 plugged in. Open (NOTE) Shorted Circuit of ZNR, L.V.T., Oven Lamp etc. Replace DPC IC10 Pin 9 Abnormal 0V IC10 Oven is dead.
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Page 25: Parts Lists
INVERTER EARTH BRACKET E65854L00GS INVERTER SUPPORT BRACKET E606Y4N10GP INVERTER E10014N30BP BASE PLATE E10614L00GS WATER SHIELD E1008-1180 RUBBER FOOT E110D4N30HGP OUTER PANEL NN-V689WB NN-V659WB E110D4N30GP OUTER PANEL NN-V659CB E110D4N30NGP OUTER PANEL NN-V629MB E110D4N30ZGP OUTER PANEL NN-V659FB E63268960JP TT MOTOR E21778000BP PULLEY SHAFT WASHER... -
Page 26: Door Assembly
12. DOOR ASSEMBLY Ref. No. Part No. Part Name & Description Pcs/Set Remarks E302A4N30HBP DOOR A SCREEN B ASSY NN-V689WB NN-V659WB E302A4N30BP DOOR A SCREEN B ASSY NN-V659CB E302A4N30NBP DOOR A SCREEN B ASSY NN-V629MB E302A4N30ZBP DOOR A SCREEN B ASSY... -
Page 27: Escutcheon Base Assembly
13. ESCUTCHEON BASE ASSEMBLY Ref. No. Part No. Part Name & Description Pcs/Set Remarks E80724L10HBP DOOR OPENING BUTTON NN-V689WB NN-V659WB E80724L10BP DOOR OPENING BUTTON NN-V659CB E80724L10NBP DOOR OPENING BUTTON NN-V629MB E80724L10ZBP DOOR OPENING BUTTON NN-V659FB E80378A0AG DOOR OPENING BUTTON SPRING... -
Page 28: Packing And Accessories
GLASS TRAY E290D4N30BP ROLLER RING E00034N30BP OPERATING INSTRUCTIONS E01695750BP SERVICE CENTER LIST E01134N30BP TRAY STYROL E01024N50HBP CARTON BOX NN-V689WB E01024N30HBP CARTON BOX NN-V659WB E01024N30BP CARTON BOX NN-V659CB E01024N30NBP CARTON BOX NN-V629MB E01024N30ZBP CARTON BOX NN-V659FB E01054N30BP LOWER FILLER E01084N30BP TRAY PACKING... -
Page 29: Trim Kit Parts List
Trim Top and Bottom Pcs/Set Side Strip Pcs/Set Microwave Oven Model No. Strip Ref No: 1 Ref No: 2 Model No. NN-TKV69W E1603A510HBP E1601A510HBP NN-V689WB NN-V659WB NN-TKV69C E1603A510BP E1601A510BP NN-V659CB NN-TKV69M E1603A510NBP E1601A510NBP NN-V629MB NN-TKV69F E1603A510ZBP E1601A510ZBP NN-V659FB TRIMKIT ASSY INSTRUCTION... -
Page 30: Digital Programmer Circuit
16. DIGITAL PROGRAMMER CIRCUIT... -
Page 32: Digital Programmer Circuit - Parts List
17. DIGITAL PROGRAMMER CIRCUIT - PARTS LIST DPC AU - E603L4N50BP (NN-V689WB) Ref. No. Part No. Description Remarks AEEM19FESVKN 19PIN CONNECTOR DISP AEDDHLC4L2BP IC220 AN6747B CUSTOM IC D180-D182 AESQTLGE260T GREEN LED CX320 EF0MC8004T4 CERAMIC RESONATOR SW40-42 EVQ11L05R PUSH SWITCH SW44-48 SW51 SW53-63 R182... - Page 33 DPC AU - E603L4N30BP (NN-V659) (NN-V629) Ref. No. Part No. Description Remarks AEEM19FESVKN 19PIN CONNECTOR DISP AEDDHLC4L2BP IC220 AN6747B CUSTOM IC D180-D182 AESQTLGE260T GREEN LED CX320 EF0MC8004T4 CERAMIC RESONATOR SW40-42 EVQ11L05R PUSH SWITCH SW44-48 SW51 SW53-63 R182 ERDS2TJ361T RESISTOR 360Ω R314 ERDS2TJ181T RESISTOR...
- Page 34 E607X4N30BP - Noise Filter Assembly Ref. No. Part No. Description Remarks ERG1SJ753P RESISTOR 75KΩ 1W C1&C2 QETJ5225KRP2CE CAPACITOR 2.2µf C3&C4 ECKMNA472ME CAPACITOR 4700pF 250V AC SC-08-E203A INDUCTOR 2.4mH E62316010BP FUSE HOLDER...
- Page 35 NOTES:...
- Page 36 NOTES: S - 4N30BP S - 4N50BP Printed in the UK...