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Troubleshooting
Related Manuals for Panasonic NN-S335BF
Summary of Contents for Panasonic NN-S335BF
- Page 1 ORDER NO.PHAMOS0501007C7 Microwave Oven NN-S335BF NN-S335WF NN-S335WM APH(USA) CPH(Canada) RPH(Mexico/Latin American) © 2005 Panasonic Home Appliances Microwave Oven (Shanghai) Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.
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Page 3: Table Of Contents
NN-S335BF / NN-S335WF / NN-S335WM / CONTENTS Page Page 1 FEATURE CHART 7.6. Turntable motor 2 CONTROL PANEL 8 COMPONENT TEST PROCEDURE 3 OPERATION AND DIGITAL PROGRAMMER CIRCUIT TEST 8.1. Primary Latch Switch, (Door Switch and Power Relay B) PROCEDURE Interlocks. -
Page 4: Feature Chart
NN-S335BF / NN-S335WF / NN-S335WM / 1 FEATURE CHART MODEL NN-S335BF NN-S335WF NN-S335WM FEATURE Three Stage Cooking Auto Defrost Auto Cook Power Level Select Quick Min Timer Digital Clock Child Safety Lock 2 CONTROL PANEL... -
Page 5: Operation And Digital Programmer Circuit Test
NN-S335BF / NN-S335WF / NN-S335WM / 3 OPERATION AND DIGITAL PROGRAMMER CIRCUIT TEST PROCEDURE When you pluge the power supply cord into the wall outlet, OPERATION SCROLL DISPLAY microwave oven automatically enter into the state of lb / oz. If 8. -
Page 6: Schematic Diagram
NN-S335BF / NN-S335WF / NN-S335WM / 4 SCHEMATIC DIAGRAM 4.1. APH & RPH... -
Page 7: Cph
NN-S335BF / NN-S335WF / NN-S335WM / 4.2. -
Page 8: Description Of Operating Sequence
NN-S335BF / NN-S335WF / NN-S335WM / 5 DESCRIPTION OF OPERATING SEQUENCE 5.1. Variable power cooking 5.2. Auto Defrost, Auto Reheat, control Auto Cook control The coil of power relay B (RY1) is energized intermittently by When those Auto Control feature is selected and the Start Pad... -
Page 9: Cautions To Be Observed When Troubleshooting
NN-S335BF / NN-S335WF / NN-S335WM / 6 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING Unlike many other appliances, the microwave oven is high- 6.3. When parts must be replaced, voltage, high-current equipment. Though it is free from danger remove the power plug from in ordinary use, extreme care should be taken during repair. -
Page 10: Disassembly And Parts Replacement Procedure
NN-S335BF / NN-S335WF / NN-S335WM / 7 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 7.1. Magnetron 7.2. Digital Programmer Circuit (DPC) and membrane key 1. Discharge the high voltage capacitor. board. 2. Remove 1 screw holding air guide A & reinforce bracket. -
Page 11: Low Voltage Transformer And/Or Power Relays (Ry1, Ry2)
NN-S335BF / NN-S335WF / NN-S335WM / 7.4. Fan motor 7.3. Low voltage transformer and/or power relays (RY1, 1. Disconnect 2 lead wires from fan motor terminals. RY2) 2. Remove 1 screw holding diode (U) on side of the oven. 3. Disconnent 2 H.V. lead wires which linking to H.V. -
Page 12: Door Assembly
NN-S335BF / NN-S335WF / NN-S335WM / 7.5. Door assembly 7.6. Turntable motor 1. Remove door C from door E by carefully pulling outward 1. Remove the motor cover by breaking off at the 4 spots starting from upper right hand corner using a flat blade indicated by arrows with a cutter or the like. -
Page 13: Component Test Procedure
NN-S335BF / NN-S335WF / NN-S335WM / 8 COMPONENT TEST PROCEDURE CAUTION 1. High voltage is present at the high voltage terminal of the high voltage transformer during any cook cycle. 2. It is neither necessary nor advisable to attempt measurement of the high voltage. -
Page 14: Magnetron
NN-S335BF / NN-S335WF / NN-S335WM / 8.5. Magnetron 8.6. Diode (U) Continuity checks can only indicate an open filament or a 1. Isolate the diode (U) from the circuit by disconnecting the shorted magnetron. To diagnose for an open filament or leads. -
Page 15: Measurements And Adjustments
NN-S335BF / NN-S335WF / NN-S335WM / 9 MEASUREMENTS AND ADJUSTMENTS WARNING 1. For continued protection against radiation hazard, replace only with identical replacment parts. (For touch models part No. J61424T00AP Type V-15G-3C25 Primary latch switch Part J61414T00AP, Type No. D3V-16G-3C25 for Secondary latch switch and Part No.J61784T00AP, Type No. -
Page 16: Procedure For Measuring Microwave Energy
NN-S335BF / NN-S335WF / NN-S335WM / 10 PROCEDURE FOR MEASURING MICROWAVE ENERGY LEAKAGE 10.2.1. Measurement with the outer panel WARNING Check for radiation leakage after every servicing. Should the leakage removed. be more than 2 mW/cm (1mW/cm for Canada) inform PASC, PSC, or PCI immediately. -
Page 17: At Least Once A Year, Have The Radiation Monitor Checked
NN-S335BF / NN-S335WF / NN-S335WM / 10.4. At least once a year, have the radiation monitor checked for calibration by its manufacturer. -
Page 18: Troubleshooting Guide
NN-S335BF / NN-S335WF / NN-S335WM / 11 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 19: Trouble Related To Digital Programmer Circuit
NN-S335BF / NN-S335WF / NN-S335WM / 11.1. Trouble related to Digital Programmer Circuit... -
Page 20: How To Check The Semiconductors Using An
NN-S335BF / NN-S335WF / NN-S335WM / 11.2. How To CHECK THE SEMICONDUCTORS USING AN OHM METER... -
Page 21: Exploded View And Parts List
NN-S335BF / NN-S335WF / NN-S335WM / 12 EXPLODED VIEW AND PARTS LIST 12.1. EXPLODED VIEW... -
Page 22: Parts List
NN-S335BF / NN-S335WF / NN-S335WM / 12.2. 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. -
Page 23: Door Assembly
NN-S335BF / NN-S335WF / NN-S335WM / 12.3. DOOR ASSEMBLY Ref. No. Part No. Part Name & Description Pcs/Set Remarks F30186S10XP DOOR KEY A F301A6S10BXP DOOR A (U) S335BF F301A6S10HAP DOOR A (U) S335WF/WM F302K6S10XP DOOR E (U) F30216S10XP DOOR KEY SPRING... -
Page 24: Packing And Accessories
NN-S335BF / NN-S335WF / NN-S335WM / 12.5. PACKING AND ACCESSORIES Ref. No. Part No. Part Name & Description Pcs/Set Remarks F00036S20AP INSTRUCTION MANUAL S335BF/WF APH F00036S20CP INSTRUCTION MANUAL S335WF CPH F00036S20RP INSTRUCTION MANUAL S335WF/WM RPH F01026S20BAP PACKING CASE,PAPER S335BF APH... -
Page 25: Digital Programmer Circuit
NN-S335BF / NN-S335WF / NN-S335WM / 13 DIGITAL PROGRAMMER CIRCUIT 13.1. SCHEMATIC DIAGRAM... - Page 26 NN-S335BF / NN-S335WF / NN-S335WM /...
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Page 27: Parts List
NN-S335BF / NN-S335WF / NN-S335WM / 13.2. PARTS LIST Ref. No. Part No. Part Name & Description Pcs/Set Remarks BZ210 AEFBAT2001WQ BUZZER 2.0KHz AECETS1V221B AL CHEM CAPACITOR 220µF/35V C222 AECUU06C101J CHIP CAPACITOR 100PF/50V C11,C12,C223,C350,C351 AECUT06F104Z CHIP CAPACITOR 0.1µF/25V C220,C221 AECUN06F105Z CHIP CAPACITOR 1µF/10V...