Panasonic NN-GD588S / NN-GT548M / NN-GT548MZPE / NN-GD588SZPE Simplified Service Manual ▷ View online
NN-GD588S
NN-GT548M
NN-GT548M
ZPE(CIS Countries)
Microwave Oven
Please file and use this manual together with the service manual for Model NN-S553/K593/K573/K543
(ORDER NO. SIMMC0306022C3).
(ORDER NO. SIMMC0306022C3).
ORDER NO.PHAMOS0806027A3
2
NN-GD588S / NN-GT548M
3
NN-GD588S / NN-GT548M
1 SCHEMATIC DIAGRAM
5
2 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING 6
2.1.
Check the grounding
6
2.2.
Inverter warnings
6
2.3.
Part replacement.
7
2.4.
When the 10A fuse is blown due to the malfunction of the
short switch:
7
2.5.
Avoid inserting nails, wire etc. through any holes in the
unit during operation.
7
2.6.
Verification after repair
7
2.7.
Sharp edges
7
3 COMPONENT TEST PROCEDURE
8
3.1.
Primary, Secondary Latch Switch interlocks & Power
Relay RY1
8
3.2.
Short Switch
8
3.3.
Magnetron
8
3.4.
key board membrane (Membrane switch assembly)
8
3.5.
Inverter power supply (U)
9
3.6.
Temperature thermistor
9
4 MEASUREMENTS AND ADJUSTMENTS
10
4.1.
Adjustment of primary latch switch, secondary latch switch
and short switch.
10
4.2.
Measurement of microwave output
10
5 TROUBLESHOOTING GUIDE
11
5.1.
(Troubleshooting) Oven stops operation during cooking 11
5.2.
(Troubleshooting) Other problems
12
5.3.
Troubleshooting of inverter circuit (U) and magnetron 13
5.4.
Trouble related to Digital Programmer Circuit
14
5.5.
SIMPLE WAY OF H.V. INVERTER/MAGNETRON
TROUBLESHOOTING
15
5.6.
How to check the semiconductors using an OHM meter
16
5.7.
H.V. Inverter main parts list (F606YM300BP)
16
6 EXPLODED VIEW AND PARTS LIST
17
6.1.
EXPLODED VIEW
17
6.2.
PARTS LIST
18
6.3.
DOOR ASSEMBLY
19
6.4.
WIRING MATERIALS
20
6.5.
ESCUTCHEON BASE ASSEMBLY
21
6.6.
PACKING AND ACCESSORIES
23
7 DIGITAL PROGRAMMER CIRCUIT
24
7.1.
SCHEMATIC DIAGRAM (NN-GD588S)
24
7.2.
SCHEMATIC DIAGRAM (NN-GT548M)
26
7.3.
PARTS LIST
28
CONTENTS
Page
Page
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NN-GD588S / NN-GT548M