Read Panasonic NN-DF383BZPE Service Manual online
Panasonic
Appliances
Microwave
Oven
NN-DF383B
ZPE (CIS Countries)
Microwave Oven
ORDER NO.PAPMOSH1304024CE
2
NN-DF383B
3
NN-DF383B
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.
Sensor cooking
6
2.5.
Steam sensor and digital programmer circuit
7
2.6.
Grill cooking control
7
2.7.
Combination Cooking
7
2.8.
Oven cooking control
7
3 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING 8
3.1.
Check the grounding
8
3.2.
Inverter warnings
8
3.3.
Part replacement.
9
3.4.
When the 10A fuse is blown due to the malfunction of the
short switch:
9
3.5.
Avoid inserting nails, wire etc. through any holes in the
unit during operation.
9
3.6.
Verification after repair
9
3.7.
Sharp edges
9
4 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 10
4.1.
H.V. Inverter
10
4.2.
Magnetron
12
4.3.
Digital programmer circuit (D.P.C) & Membrane Sheet 13
4.4.
Low voltage transformer and/or power relays
15
4.5.
Fan motor
15
4.6.
Upper Heater (Heater BU)
16
4.7.
Door assembly
16
4.8.
Stirrer motor
18
4.9.
Lower Heater (Heater AU)
18
5 COMPONENT TEST PROCEDURE
21
5.1.
Primary, Secondary Latch Switch interlocks & Power
Relay RY1
21
5.2.
Short Switch
21
5.3.
Magnetron
21
5.4.
key board membrane (Membrane switch assembly)
21
5.5.
Inverter power supply (U)
22
5.6.
Temperature thermistor
22
6 MEASUREMENTS AND ADJUSTMENTS
23
6.1.
Adjustment of Primary latch switch, Secondary latch
switch and Short switch.
23
6.2.
Measurement of microwave output
24
7 TROUBLESHOOTING GUIDE
25
7.1.
(Troubleshooting) Oven stops operation during cooking 26
7.2.
(Troubleshooting) Other problems
27
7.3.
Troubleshooting of inverter circuit (U) and magnetron 28
7.4.
Trouble related to Digital Programmer Circuit
29
7.5.
Simple way of H.V. Inverter/magnetron troubleshooting 30
7.6.
How to check the semiconductors using an OHM meter
30
7.7.
H.V. INVERTER MAIN PARTS LIST (F606YBA00QP) 31
8 EXPLODED VIEW AND PARTS LIST
32
8.1.
EXPLODED VIEW
32
8.2.
PARTS LIST
33
8.3.
ESCUTCHEON BASE ASSEMBLY
35
8.4.
DOOR ASSEMBLY
36
8.5.
WIRING MATERIALS
37
8.6.
PACKING AND ACCESSORIES
38
9 DIGITAL PROGRAMMER CIRCUIT
39
9.1.
SCHEMATIC DIAGRAM
39
9.2.
PARTS LIST
41
CONTENTS
Page
Page
4
NN-DF383B