Panasonic NN-GD39HSZPE / NN-GD38HSZPE / NN-GD37HBZPE Service Manual ▷ View online
Panasonic
Appliances
Microwave
Oven
NN-GD39HS
NN-GD38HS
NN-GD37HB
NN-GD38HS
NN-GD37HB
ZPE (CIS Countries)
Microwave Oven
ORDER NO.PAPMOSH1708025CE
2
NN-GD39HS / NN-GD38HS / NN-GD37HB
3
NN-GD39HS / NN-GD38HS / NN-GD37HB
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
2.4.
Grill cooking control
6
2.5.
Combination Cooking
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.
Quartz heater
13
4.8.
H.V. Inverter Power Supply
13
5 COMPONENT TEST PROCEDURE
15
5.1.
Primary, Secondary Latch Switch interlocks & Power
Relay RL1
15
5.2.
Short switch & monitor
15
5.3.
Magnetron
15
5.4.
DC fan motor
15
5.5.
Inverter power supply (U)
16
5.6.
Temperature thermistor
16
6 MEASUREMENTS AND ADJUSTMENTS
17
6.1.
Adjustment of Primary latch switch, Secondary latch
switch and Short switch.
17
6.2.
Measurement of microwave output
17
7 TROUBLESHOOTING GUIDE
18
7.1.
(Troubleshooting) Oven stops operation during cooking 18
7.2.
Troubleshooting of inverter circuit (U) and magnetron 20
7.3.
Trouble related to Digital Programmer Circuit
21
7.4.
Simple way of H.V. Inverter/magnetron troubleshooting 22
7.5.
How to check the semiconductors using an OHM meter
22
7.6.
H.V. INVERTER MAIN PARTS LIST (F606YBA00QP) 23
8 EXPLODED VIEW AND PARTS LIST
24
8.1.
EXPLODED VIEW
24
8.2.
PARTS LIST
25
8.3.
ESCUTCHEON BASE ASSEMBLY
26
8.4.
DOOR ASSEMBLY
27
8.5.
WIRING MATERIALS
28
8.6.
PACKING AND ACCESSORIES
29
9 DIGITAL PROGRAMMER CIRCUIT
30
9.1.
SCHEMATIC DIAGRAM
30
9.2.
PARTS LIST
32
CONTENTS
Page
Page
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NN-GD39HS / NN-GD38HS / NN-GD37HB