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– CONNECTOR Board –
IC701, 711, 721 BA6956AN
TSD
1
2
3
4
5
IC601 M61529FP-D60G
42 41
40
39 38 37
INPUT
ATT
VOCAL
CUT
EXTERNAL
INPUT
INPUT ATT
ATT
REF
1
2
3
4 5 6
CONTROL LOGIC
6
7
8
9
36
35
34 33
TONE CONTROL
(BASS/MID/TREBLE)
+
SURROUND
OR
DPL BUFFER
+
TONE CONTROL
(BASS/MID/TREBLE)
7
8
9 10
– MAIN Board –
IC501 BU4052BCF-E2
1
2X0
2X2
2
2XCOM
3
2X3
4
5
2X1
INH
6
VEE
7
VSS
8
32 31 30
29
28
27
ELECTRICAL
VOLUME
TONE ATT
+
TONE ATT
ELECTRICAL
VOLUME
11 12 13
14
15
16
16
VDD
15
X2
14
X1
XCOM
13
12
X0
11
X3
10
A
9
B
26
25
24
23
22
BASS
BOOST
+
MCU
INTERFACE
BASS
BOOST
17
18
19
20
21
CX-BK2
61
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