Read Panasonic NN-SD381SZPE / NN-SD361MZPE Service Manual online
1 FEATURE CHART
5
2 CONTROL PANEL
5
3 SCHEMATIC DIAGRAM
6
4 DESCRIPTION OF OPERATING SEQUENCE
7
4.1.
Variable power cooking control
7
4.2.
Inverter power supply circuit
7
4.3.
Turbo defrost, Auto cook
7
5 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING 8
5.1.
Check the grounding
8
5.2.
Inverter warnings
8
5.3.
Part replacement.
9
5.4.
When the 10A fuse is blown due to the malfunction of the
short switch:
9
5.5.
Avoid inserting nails, wire etc. through any holes in the
unit during operation.
9
5.6.
Verification after repair
9
5.7.
Sharp edges
9
6 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 10
6.1.
Magnetron
10
6.2.
Digital programmer circuit (D.P.C)
10
6.3.
Low voltage transformer and/or power relays (RY1)
11
6.4.
DC fan motor
11
6.5.
Door assembly
12
6.6.
Turntable motor
13
6.7.
H.V. Inverter Power Supply
14
7 COMPONENT TEST PROCEDURE
15
7.1.
Primary, Secondary Latch Switch interlocks & Power
Relay RY1
15
7.2.
Short switch & monitor
15
7.3.
Magnetron
15
7.4.
DC fan motor
15
7.5.
Inverter power supply (U)
16
7.6.
Temperature thermistor
16
8 MEASUREMENTS AND ADJUSTMENTS
17
8.1.
Adjustment of Primary latch switch, Secondary latch
switch and Short switch.
17
8.2.
Measurement of microwave output
17
9 TROUBLESHOOTING GUIDE
18
9.1.
(Troubleshooting) Oven stops operation during cooking 18
9.2.
Troubleshooting of inverter circuit (U) and magnetron 20
9.3.
Trouble related to Digital Programmer Circuit
21
9.4.
Simple way of H.V. Inverter/magnetron troubleshooting 22
9.5.
How to check the semiconductors using an OHM meter
22
9.6.
H.V. INVERTER MAIN PARTS LIST (F606YBA00GP) 23
10 EXPLODED VIEW AND PARTS LIST
24
10.1. EXPLODED VIEW
24
10.2. PARTS LIST
25
10.3. ESCUTCHEON BASE ASSEMBLY
26
10.4. DOOR ASSEMBLY
28
10.5. WIRING MATERIALS
29
10.6. PACKING AND ACCESSORIES
30
11 DIGITAL PROGRAMMER CIRCUIT
31
11.1. SCHEMATIC DIAGRAM
31
11.2. PARTS LIST
33
CONTENTS
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Page
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NN-SD381S / NN-SD361M
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