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z
IC Block Diagrams (Main Section)
IC305 LA2010
IC301 TA2068N
23
22
21
4
5
6
3
2
1
20
24
7dB
LOGIC
ALC1
DET
26dB
15
16
17
9
8
7
10
11
12
18
19
14
13
7dB
ALC2
26dB
15k
6k
6k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
1k
1k
1k
1k
LINE
RADIO
RADIO
TAPE
TAPE
TAPE
LINE/IN-L
MIC
I/EX
TU-L
LINE/TU
TU-R
TAPE
LINE/IN-R
MIC
REC
OUT/L
OUT/R
VCC
LINE
TAPE
BUF AMP
A2
BUF AMP
B1
BUF AMP
B2
BUF AMP
A1
MIC
AMP1
MUTE
MUTE
MUTE
ON
ON
ON
NAB
AMP2
MONITOR
AMP
MONITOR
AMP
NAB
AMP1
REC
AMP2
REC
AMP1
REF AMP
2.1
L.PO
L.NF
L.RO
L.IN
R.IN
R.RO
R.NF
R.PO
MIC
NF
REF
GND
ALC
2
3
5
4
6
7
8
9
1
AMP
IN PUT
DET OUT
NF
TIME
GND
OUT PUT
VCC 2
GND
VCC 1
COMP(1)
COMP(2)
RESET
HOLD