Read Panasonic NN-SD38HSZPE / NN-SD36HBZPE Service Manual online
1 SCHEMATIC DIAGRAM
5
2 DESCRIPTION OF OPERATING SEQUENCE
6
2.1.
Variable power cooking control
6
2.2.
Inverter power supply circuit
6
2.3.
Turbo defrost, Auto cook
6
3 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING 7
3.1.
Check the grounding
7
3.2.
Inverter warnings
7
3.3.
Part replacement.
8
3.4.
When the 10A fuse is blown due to the malfunction of the
short switch:
8
3.5.
Avoid inserting nails, wire etc. through any holes in the
unit during operation.
8
3.6.
Verification after repair
8
3.7.
Sharp edges
8
4 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 9
4.1.
Magnetron
9
4.2.
Digital programmer circuit (D.P.C)
9
4.3.
Low voltage transformer and/or power relays (RL1)
10
4.4.
DC fan motor
10
4.5.
Door assembly
11
4.6.
Turntable motor
12
4.7.
H.V. Inverter Power Supply
13
5 COMPONENT TEST PROCEDURE
14
5.1.
Primary, Secondary Latch Switch interlocks & Power
Relay RL1
14
5.2.
Short switch & monitor
14
5.3.
Magnetron
14
5.4.
DC fan motor
14
5.5.
Inverter power supply (U)
15
5.6.
Temperature thermistor
15
6 MEASUREMENTS AND ADJUSTMENTS
16
6.1.
Adjustment of Primary latch switch, Secondary latch
switch and Short switch.
16
6.2.
Measurement of microwave output
16
7 TROUBLESHOOTING GUIDE
17
7.1.
(Troubleshooting) Oven stops operation during cooking 17
7.2.
Troubleshooting of inverter circuit (U) and magnetron 19
7.3.
Trouble related to Digital Programmer Circuit
20
7.4.
Simple way of H.V. Inverter/magnetron troubleshooting 21
7.5.
How to check the semiconductors using an OHM meter
21
7.6.
H.V. INVERTER MAIN PARTS LIST (F606YBA00QP) 22
8 EXPLODED VIEW AND PARTS LIST
23
8.1.
EXPLODED VIEW
23
8.2.
PARTS LIST
24
8.3.
ESCUTCHEON BASE ASSEMBLY
25
8.4.
DOOR ASSEMBLY
26
8.5.
WIRING MATERIALS
27
8.6.
PACKING AND ACCESSORIES
28
9 DIGITAL PROGRAMMER CIRCUIT
29
9.1.
SCHEMATIC DIAGRAM
29
9.2.
PARTS LIST
31
CONTENTS
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NN-SD38HS / NN-SD36HB
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