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HCD-EC70
– HIGH-AMP Board –
IC301 STK403-090-S
Pre Driver
CH1
1
-VCC
2
-VP
3
+VP
4
LO+
5
LO-
6
RO+
7
RO-
Pre Driver
CH2
8
+VCC
9
SUB
10
GND
11
LI+
12
LI-
13
STBY
14
RI-
15
RI+
SUB
BIAS CIRCUIT
IC401 BD3881FV
28
REC1O
27
REC1N
26
REC2N
25
REC2O
24
INC2
23
INC1
22
INB2
21
INB1
20
INA2
19
INA1
18
OUT1
17
BAS1
16
OUT2
15
BAS2
BASS
BASS
13
CONT
14
VEE
12
VDD
11
TRE2
10
TRE1
TREBLE
TREBLE
7
VOLIN1
8
VOLIN2
9
GND
VOLUME
VOLUME
6
PB1O
LOGIC
CONTROL
5
PB2O
4
PB2N
1
PB1N
2
PB1P
3
PB2P
– MAIN Board –