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– TC Board –
IC401 TA8189N
METAL
PRE
CH2/A CH2/B
NF
OUT
OUT
24
23
22
21
20
CH2
–
+
CH1
+
–
1
2
3
4
5
CH1/A CH1/B
NF
METAL
PRE
OUT
OUT
– MAIN Board –
IC101, 201 TDA7296
BIPOLAR
TRANSCONDACTANCE
INPUT STAGE
MOS GAIN &
–
LEVEL SHIFTING
+
1 2
3
4
5
TAPE A
REC
/TAPE B
VCC
CG
OUT
NF
16
19
18
17
15
–
+
CH2
A/B
VREF1
IREF
VREF2
M/N
CH1
+
–
GND
6
7
8
9
10
MIX
GND1
M/H
REC
NF
OUT
OUT
THERMAL
SHUTDOWN
MOS
SHORT
OUTPUT
CIRCUIT
STAGE
STAGE
PROTECTION
STANDBY/
MUTE
BOOST-
STRAP
6
7
8 9
10
11
12
REC
IN
ALC
14
13
ALC
GND
11
12
REC
GND
IN
13
14 15
HCD-DC1
IC320 KA3082
DRIVER OUT
PRE DRIVER
LOGIC
TSD
SWITCH
1
2 3
4
5
6
7
8 9 10
35
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