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IC Block Diagrams (Main Section)
r
IC301 TA2068N
24
23
22
21
10k
6k
15k
LINE
10k
TAPE
10k
BUF AMP
A1
10k
NAB
26dB
AMP1
1
2
3
IC302 BH3854AS
32
31
30
29
28
27
TONE
MATRIX
SURROUND
TONE
1
2
3
4
5
6
IC305 LA2010
AMP
COMP(1)
RESET
1
2
3
4
20
19
1k
LOGIC
10k
7dB
MONITOR
AMP
BUF AMP
B1
10k
ALC1
REC
DET
AMP1
REF
AMP
4
5
6
7
26
25
24
23
22
VR
CONTROL
VR
7
8
9
10
11
COMP(2)
HOLD
5
6
18
17
1k
1k
10k
7dB
MONITOR
AMP
10k
BUF AMP
B2
10k
10k
10k
ALC2
26dB
REC
AMP2
2.1
8
9
21
20
19
18
17
12
13
14
15
16
8
7
9
– 51 –
16
15
14
10k
6k
10k
LINE
TAPE
BUF AMP
A2
MIC
MUTE
AMP1
ON
NAB
1k
AMP2
10k
10
11
13
12
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