Panasonic NN-ST557MW Schematic
ORDER NO.PHAMOS0709042A3
Microwave Oven
NN-ST557M
NN-ST557W
HPE(Hong Kong)
YPQ(Singapore)
MPQ(Malaysia)
TPE(Thailand, Indonesia)
YTE(Others)
Please file and use this manual together with the service manual for Model NN-S553/K593/K573/K543 (ORDER NO. SIMMC0306022C3).
© 2007 Panasonic Home Appliances Microwave Oven (Shanghai) Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.
NN-ST557M / NN-ST557W
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NN-ST557M / NN-ST557W
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NN-ST557M / NN-ST557W
CONTENTS
Page |
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Page |
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1 SCHEMATIC DIAGRAM |
5 |
3.2. Measurement of microwave output |
8 |
2 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING 6 |
4 EXPLODED VIEW AND PARTS LIST |
9 |
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2.1. Check the grounding |
6 |
4.1. EXPLODED VIEW |
9 |
2.2. Inverter warnings |
6 |
4.2. PARTS LIST |
10 |
2.3. Part replacement. |
7 |
4.3. DOOR ASSEMBLY |
11 |
2.4. When the 10A fuse is blown due to the operation of the |
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4.4. WIRING MATERIALS |
11 |
short switch: |
7 |
4.5. ESCUTCHEON BASE ASSEMBLY |
12 |
2.5. Avoid inserting nails, wire etc. through any holes in the |
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4.6. PACKING AND ACCESSORIES |
13 |
unit during operation. |
7 |
4.7. H.V. INVERTER MAIN PARTS LIST |
13 |
2.6. Confirm after repair |
7 |
5 DIGITAL PROGRAMMER CIRCUIT |
14 |
2.7. Sharp edges |
7 |
5.1. SCHEMATIC DIAGRAM |
14 |
3 MEASUREMENTS AND ADJUSTMENTS |
8 |
5.2. PARTS LIST |
16 |
3.1. Adjustment of primary latch switch, secondary latch switch |
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and short switch. |
8 |
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4
NN-ST557M / NN-ST557W
1 SCHEMATIC DIAGRAM
5
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