Read Panasonic NN-GT338MZTE / NN-GT338WZTE / NN-GT338MZPE / NN-GT338WZPE Service Manual Simplified online
1 SCHEMATIC DIAGRAM
4
2 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING 5
2.1.
Check the grounding
5
2.2.
Warning about the electric charge in the high voltage
capacitor
5
2.3.
When troubleshooting any parts or components is to be
replaced, always ensure that the power cord is unplugged
from the wall outlet.
5
2.4.
When the 8 Amp fuse is blown due to the malfunction of
short switch:
5
2.5.
Avoid inserting nails, wire, etc. through any holes in the
unit during operation.
6
2.6.
Verification after repair
6
3 COMPONENT TEST PROCEDURE
7
3.1.
Primary, Secondary Latch Switch Interlocks
7
3.2.
Short Switch
7
3.3.
High voltage transformer
7
3.4.
High voltage capacitor
7
3.5. Magnetron
8
3.6.
Diode (U)
8
4 MEASUREMENTS AND ADJUSTMENTS
9
4.1.
Adjustment of Primary latch switch, Secondary latch
switch and Short switch.
9
4.2.
Measurement of microwave output
9
5 TROUBLESHOOTING GUIDE
10
5.1.
Trouble related to Digital Programmer Circuit
12
5.2.
How to check the semiconductors using an OHM meter
12
6 EXPLODED VIEW AND PARTS LIST
13
6.1.
EXPLODED VIEW
13
6.2.
PARTS LIST
14
6.3.
DOOR ASSEMBLY
15
6.4.
WIRING MATERIALS
16
6.5.
ESCUTCHEON BASE ASSEMBLY
17
6.6.
PACKING AND ACCESSORIES
18
7 DIGITAL PROGRAMMER CIRCUIT
19
7.1.
PARTS LIST
21
CONTENTS
Page
Page
3
NN-GT338M / NN-GT338W
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