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W1
CB25
CB23
IC52
IC51
W11A
W11B
CB2
W10A
W10B
W3
W4
A
1
2
3
4
5
6
7
8
9
10
BCDEFGH I JK
L MN
A-S2000
62
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★ Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
FUNCTION 3/3
AC29.8
AC20.4
0
0
0
0.9
0
0
4.9
5.0
5.0
0
0
5.1
0
16.6
16.6
16.6
16.6
16.6
8.4
16.6
8.3
0
0
0
5.0
0.8
0
0.1
8.9
8.9
8.9
8.9
0
9.5
8.9
9.5
9.8
8.4
26.4
8.4
26.4
26.4
9.5
0.1
8.9
8.9
8.9
8.1
0
8.9
10.1
-19.4
0
0
19.6
12.2
-11.9
-11.9
-11.9
12.0
0
0
5.0
12.2
-11.9
12.0
0
1.3
0
-12.0
19.4
0
0
19.6
12.2
-19.6 -12.0
FUNCTION (3)
IC51: NJM7812FA
Voltage regulator
INPUT
OUTPUT
COMMON
IC52: NJM7912FA
Voltage regulator
COMMON
OUTPUT
R23
R24
R13
R14
R20
R17
D3
Q22
Q21
Q25
Q20
Q24
Q18
Q9
R18
R19
R16R15R21R12R11
R10
Q17
R9R8
R7
R5
R4
D2D1
R6
C1 C2
C3
R22
Q11
Q13
Q14
Q15
Q19
Q16
Q23
Q8
Q7
Q2
Q1
Q6
Q5
Q3
Q10
Q12
Q4
R1
R2
R3
INPUT
to BALANCE_CB203
Page 59
I3
to FRONT (13)_CB79
Page 66
H6
To POWER TRANSFORMER
to MAIN (3)_W317
Page 63
L3
to FRONT (1)_CB501
Page 64
B4
to FRONT (14)_W8A, W8B
(R, L models)
AC IN
To POWER TRANSFORMER
POWER ON/OFF switch
(U, C, T, K, A, B, G, J models)
600mm
2P
Page 66 B4