1 SCHEMATIC DIAGRAM
4
2 DESCRIPTION OF OPERATING SEQUENCE
5
2.1.
Variable power cooking control
5
2.2.
Turbo Defrost, Auto Reheat, Auto Cook control
5
3 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING 6
3.1.
Check the grounding
6
3.2.
Warning about the electric charge in the high voltage
capacitor
6
3.3.
When parts must be replaced, unplug the power cord from
the wall outlet.
6
3.4.
When the 8 Amp fuse is blown due to the malfunction of
short switch:
6
3.5.
Avoid inserting nails, wire, etc. through any holes in the
unit during operation.
6
3.6.
Verification after repair
6
4 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 7
4.1.
Magnetron
7
4.2.
Digital Programmer Circuit (DPC) and membrane key
board.
7
4.3.
Low voltage transformer and/or power relays (RY1, RY2)
8
4.4.
Fan motor
8
4.5.
Door assembly
9
4.6.
Turntable motor
9
4.7.
Quartz heater
10
5 COMPONENT TEST PROCEDURE
11
5.1.
Primary, Secondary Latch Switch Interlocks
11
5.2.
Short Switch & Monitor
11
5.3.
High voltage transformer
11
5.4.
High voltage capacitor
11
5.5. Magnetron
12
5.6.
Diode (U)
12
5.7.
Membrane key board (Membrane switch assembly)
12
6 MEASUREMENTS AND ADJUSTMENTS
13
6.1.
Adjustment of Primary latch switch, Secondary latch
switch and Short switch.
13
6.2.
Measurement of microwave output
13
7 TROUBLESHOOTING GUIDE
14
7.1.
Trouble related to Digital Programmer Circuit
15
7.2.
How To CHECK THE SEMICONDUCTORS USING AN
OHM METER
16
8 EXPLODED VIEW AND PARTS LIST
17
8.1.
EXPLODED VIEW
17
8.2.
PARTS LIST
18
8.3.
DOOR ASSEMBLY
19
8.4.
WIRING MATERIALS
20
8.5.
PACKING AND ACCESSORIES
21
8.6.
ESCUTCHEON BASE ASSEMBLY
22
9 DIGITAL PROGRAMMER CIRCUIT
23
9.1.
SCHEMATIC DIAGRAM
23
9.2.
PARTS LIST
25
CONTENTS
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Page
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NN-G335WF
Summary of Contents for NN-G335WF
Page 2: ...2 NN G335WF ...
Page 4: ...1 SCHEMATIC DIAGRAM 4 NN G335WF ...
Page 15: ...7 1 Trouble related to Digital Programmer Circuit 15 NN G335WF ...
Page 16: ...7 2 How To CHECK THE SEMICONDUCTORS USING AN OHM METER 16 NN G335WF ...
Page 17: ...8 EXPLODED VIEW AND PARTS LIST 8 1 EXPLODED VIEW 17 NN G335WF ...
Page 23: ...9 DIGITAL PROGRAMMER CIRCUIT 9 1 SCHEMATIC DIAGRAM 23 NN G335WF ...
Page 24: ...24 NN G335WF ...