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HCD-GTK1i/GTK2i
IC201 R2A15909SP (MAIN BOARD (2/3))
INR1
1
Mode selector
INR2
2
INR3
3
Surround
INR4
4
Input
selector
INR5
5
DIFFR
6
DIFFG
7
DIFFL
8
INL5
9
Volume
INL4
10
mute
INL3
11
Volume
INL2
12
mute
Input
selector
13
INL1
Input gate
control
AGND
14
REF
REFIN
15
VCC
16
IC504 NJM2903V (TE2) (MAIN BOARD (2/3))
A OUTPUT
1
A
+
A- INPUT
2
3
A+ INPUT
GND
4
26
32
ROUT
31
LOUT
30
TRER
29
BASSR1
28
BASSR2
27
BASSL2
26
BASSL1
25
TREL
O to -55dB, -
VOLINR
24
O to +12dB
/2dB step
23
IGOUTR
22
VOLINL
9 to -55dB, -
O to +12dB
/2dB step
21
IGOUTL
20
DGND
19
SDA
I2C
I/F
18
SCL
CEXT
DePop
17
V+
8
B OUTPUT
7
B
+
6
B- INPUT
5
B+ INPUT
IC800 STK433-090-E (MAIN BOARD (3/3))
-PRE
1
-VCC
2
+VCC
3
LO+
4
LO-
5
RO+
6
RO-
7
+PRE
8
SUB
SUB
9
10
GND
LI+
11
LI-
12
13
Bias Circuit
ST-BY
RI-
14
RI+
15
Pre Driver
CH1
Pre Driver
CH2
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