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WJ-AV20
WJ-AV20
SCHEMATIC DIAGRAM OF MAIN BOARD (4/4)
<Index>
MAIN BOARD
(4/4)
(4/4)
IC1
A4
IC2
A4
IC4
C4
IC5
C4
IC6
C4
IC7
B4
IC10
B4
IC11
A4
IC12
B5
IC13
A5
IC701
D5
IC704
D3,D4,E4
IC705
E2
IC706
D3
IC707
E4
IC708
D1
IC709
D2
IC710
D5
IC801
B2
IC802
C3
IC803
C2
Q701
D5
Q702
D5
Q703
D4
D1
B3
D2
C5
D3
B5
D4
B5
D5
B5
D701
D6
D702
E4
D703
E4
D704
D4
D801
B2
D802
B2
D803
B2
D804
B2
D805
B2
D806
B2
D807
B2
D808
B2
D809
B2
D810
B2
D811
A2
D812
A2
D813
A2
D814
A2
Note:
The value indicated in the schematic
diagram should be read as follows:
The value indicated in the schematic
diagram should be read as follows:
Multiplier (0–5)
2nd Significant Digit (0–9)
1st Significant Digit (0–9)
2nd Significant Digit (0–9)
1st Significant Digit (0–9)
<Example>
For Resistor:
330
→
33 x 10
0
= 33
Ω
561
→
56 x 10
1
= 560
Ω
123
→
12 x 10
3
= 12k
Ω
0R00=0
Ω
For Capacitor (Exclude Electrolytic
and Tantalum Capacitor):
and Tantalum Capacitor):
820
→
82 x 10
0
= 82PF
102
→
10 x 10
2
= 1,000PF = 0.001
µ
F
104
→
10 x 10
4
= 100,000PF = 0.1
µ
F
For Coil:
270
→
27 x 10
0
= 27
µ
H
101
→
10 x 10
1
= 100
µ
H
8R2 = 8.2
µ
H
A-1
MAIN BOARD(4/4)
E
D
C
B
A
1
2
3
4
5
6
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