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ORDER NO. DCS-JUL2002-002-MS
Service Manual
Microwave Oven
NN-G61 AR
Specifications
Power Source: 220 V AC, 50 Hz
Power requirement: Microwave: 1.450 W
Heater: 860 W
Output: Microwave: 900 W: Full Power (IEC 705-88)
Heater: 800 W
Microwave Frequency: 2.450 MHz
Timer: 99 min. 99 sec.
Outside Dimensions: 306 (W) x 555 (D) x 428 (H) mm
Oven Cavity Dimensions: 31 liters
Weight: Approx. 18 Kg
Specifications subject to change without notice
Panasonic do Brasil Ltda.
CS / DST - 2002
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! WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or products dealt with in this service information by anyone else could
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SAFETY PRECAUTIONS NN-G61 AR CAUTIONS TO BE OBSERVED WHEN CONFIRM AFTER REPAIR TROUBLESHOOTING After repair or replacement of parts, make sure that the Unlike many other appliances, the microwave oven is high- screws of the oven, etc. are neither loose nor missing. Mi- voltage, high-current equipment. Though it is crowaves might leak if screws are not properly tightened. free from danger in ordinary use, extreme care should be 1. Make sure that all electrical connections are tight before taken d
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PROCEDURE FOR MEASURING MICROWAVE ENERGY LEAKAGE Equipment (2) Measurements with a fully assembled oven. *Electromagnetic radiation monitor After all components, including the outer panel are fully *Glass thermometer 212°F or 100°F assembled, measure for radiation leakage around the door *600cc glass beaker periphery, the door viewing window, the exhaust opening and air inlet openings. Procedure for measuring radiation leakage Note before measuring: (1) Do not exceed meter full scale deflect
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COMPONENT TEST PROCEDURE NN-G61 AR Diode CAUTION 1. High voltage is present at the high voltage terminal of 1. Isolate the diode assembly from the circuit by disconnecting the high voltage transformer during any cook cycle. the leads. 2. It is neither necessary nor advisable to attempt 2. With the ohmmeter set on the highest resistance scale, measurement of the high voltage. measure the resistance across the diode terminals. Reverse 3. Before touching any oven components or wiring, always the
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MEASUREMENTS AND ADJUSTMENTS Adjustment of Primary latch switch, Secondary latch switch Measurement of microwave output and short switch 1. When mounting Primary latch switch, Secondary latch switch The output power of the magnetron can be determined by and short switch to door hook assembly, mount the Primary performing IEC standard test procedures. latch switch, the Secondary latch switch and the short switch However, it is possible to test the magnetron by following to the door hook assem
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ELECTRIC DIAGRAM NN-G61 AR - 7 - MAGNETRON PRIMARY THERMISTOR HIGH VOLTAGE LATCH CAPACITOR SWITCH SHORT 9MΩ AC120V SWITCH 60 Hz BROWNER DIODE FUSE Ground Chassis HIGH VOLTAGE TRANSFORMER SECONDARY LATCH SWITCH RY2 RELE “B” RY3 RY1 RY4 LOW VOLTAGE TRANSFORMER DIGITAL PROGRAMMER CIRCUIT TEMP SENSOR OVEN LAMP FAN MOTOR TURNTABLE MOTOR
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SCHEMATIC DIAGRAM - 8 -
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NN-G61 AR - 9 -
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CONNECTIONS NN-G61 AR MAGNETRON OVEN LAMP THERMISTOR White AC CABLE TO RY1 -1 FUSE HOLDER Gray SECONDARY CHAVE SWITCH PRIMÁRIA TEMP SENSOR Gray CN4 1 White 3 Orange RY3 (1) 4 BROWNER FPP50F106 Orange CN1 White 5 1 RY3 (2) Black 3 BROWNER FPL50F102 TURNTABLE MOTOR FAN MOTOR Gray SHORT SWITCH FUSIBLE CABLE Green AT LOWER CHASSIS PROTECTION DIODE CAPACITOR MAGNETRON 2 KV 0,95 μF H.V. DIODE White Blue TO RY1 -2 H.V TRANSFORMER CA 2000V 60 hZ CHASSIS - 10 - Gray Gray Gray Gray Orange Orange Black
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OVEN EXPLODED VIEW NN-G61 AR - 11 -
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CABINET EXPLODED VIEW NN-G61 AR - 12 -
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WIRING MATERIAL NN-G61 AR 25 30 - 13 -
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CABINET PARTS LIST NN-G61 AR Ref. No. Part No. Part Name & Description 01 FPL20C001AR OVEN 02 FPK100102(BR) CABINET BODY 03 B393C4832AP DOOR HOOK 04 FPM000005 CUSHION RUBBER 05 B290D9330BR ROLLER RING 06 A06014001AP COOKING TRAY 07 A21315541AP PULLEY SHAFT 08 FPD000001 WASHER 09 FPK300015 LOWER HINGE 10 A20554950AP WAVE GUIDE COVER 11 2M189B-M1F15 MAGNETRON 12 FPA600005A FUSE HOLDER 13 FPK100004C LOWER BASE 14 FPI400002A AIR GUIDE 15 FPG60C115AR-C-A AC CORD W/ PLUG 16 FPN400007 FAN 17 KSD18.0/10
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DOOR ASSEMBLY NN-G61 AR DOOR PARTS LIST Ref. No. Part No. Part Name & Description FPL30K001AR MOUNTED DOOR D1 FPL30C407 DOOR A D2 FPK300022 DOOR C D3 FPK30C013 DOOR E D4 FPL300424 DOOR SCREEN B D5 FPK300008 UPPER HINGE D6 FPD300018 DOOR KEY A D7 FPD300020 DOOR KEY SPRING D8 A31457050AP DOOR SCREEN A - 15 -
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ESCUTCHEON BASE ASSEMBLY NN-G61 AR ESCUTCHEON BASE PARTS LIST Ref. No. Part No. Part Name & Description FPL80C501AR MOUTED PANEL W/O D. P. CIRCUIT E1 FPP800101AR ESCUTCHEON BASE E2 FPL800503AR ESCUTCHEON SHEET E3 FPL800212 MEMBRANE SWITCH E4 FPC800009 BACK PANEL E5 MBUPNN-G61AR D. P. CIRCUIT E6 FPK800211 DOOR OPENING BUTTON E7 FPD800002A COOK BUTTON SPRING E8 FPK800018 DOOR OPENING LEVER E9 FPP800005 DISPLAY SPACER E10 A82847010AP DISPLAY SUPPORT - 16 -
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ELECTRICAL PARTS LIST NN-G61 AR REF. No. PART No. PART NAME & DESCRIPTION REF. No. PART No. PART NAME & DESCRIPTION MAIN BOARD RESISTORS MBUPNN-G61AR D. P. CIRCUIT R24 ERDS2TJ103T CARBON FILM RESISTOR 10KΩ 1/4 W R25 ERDS2TJ103T CARBON FILM RESISTOR 10KΩ 1/4 W CAPACITORS C10 ECA1VM471B CAPACITOR 470,00 μF 35,0 V R26 ERDS2TJ103T CARBON FILM RESISTOR 10KΩ 1/4 W C11 ECA1HM101B CAPACITOR 100,00 μF 50,0 V R27 ERDS2TJ101T CARBON FILM RESISTOR 100Ω 1/4 W R28 ERDS2TJ103T CARBON FILM RESISTOR 10KΩ 1/4 W
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PACKING PARTS SECTION PACKING PARTS SECTION LIST Ref. No. Part No. Part Name & Description 01 NN-G61AR OVEN 02 FPL000006ME PACKING 03 BQF0192AR OPERATING INSTRUCTIONS BOOK 04 FPK000107A UPPER FILLER 05 FPK000108 LOWER FILLER 06 FPL000110 TRAY FILLER 07 FPK000009 DOOR SHEET 08 A06014001AP COOKING TRAY 09 A06027310RT HIGH BACKING RACK 10 TPE2B4010 BAG 11 B290D9330BR ROLLER RING ASSY 12 FPL00C017AR PANAGRILL DISH - 18 -
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TROUBLESHOOTING GUIDE NN-G61 AR SYMPTOM STEP CHECK RESULT Cause/Corrections Abnormal Transformer Low voltage transformer 1 (LVT) secondary voltage go to step 2 Normal Abnormal ZD1, Q1 IC1-pin1voltage 2 (Q1-E) go to step 3 Normal Abnormal IC2 IC1-pin27 voltage 3 No display when oven is first (IC2-pin 14) go to step 4 Normal pluged in Abnormal D11, C11, R51 4 IC1 pin-2 voltage go to step 5 Normal (30V) R50 or S3 and S4 Voltage of F1 and F2, Abnormal open or short cir- pins 1and 2, 29 and 30 of 5 c
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Panasonic do Brasil Ltda. CS GROUP - TECHNICAL SUPPORT
