JVC XV-D721BK - Page 28

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XV-D721BK
XV-D723GD
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Pin No. Pin No.
Symbol Symbol
I/O I/O
Function
Function
BA5983FM-X(IC271):4CH driver
BLAS IN
OPIN1(+)
OPIN1(-)
OPOUT1
OPIN2(+)
OPIN2(-)
OPOUT2
GND
STBY1
PowVcc1
VO2(-)
VO2(+)
VO1(-)
VO1(+)
VO4(+)
VO4(-)
VO3(+)
VO3(-)
PowVcc2
STBY2
GND
OPOUT3
OPIN3(-)
OPIN3(+)
OPOUT4
OPIN4(-)
OPIN4(+)
PreVcc
I
I
I
O
I
I
O
-
I
-
O
O
O
O
O
O
O
O
-
I
-
O
I
I
O
I
I
-
Amplifier input
CH1 amplifier input (+)
CH1 amplifier input (-)
CH1 amplifier output
CH2 amplifier input (+)
CH2 amplifier input (-)
CH2 amplifier output
Ground
CH1/2/3 input control
CH1/2 power supply
CH2 output (-)
CH2 output (+)
CH1 output (-)
CH1 output (+)
CH4 output (+)
CH4 output (-)
CH3 output (+)
CH3 output (-)
CH3/4 power supply
CH4 input
Ground
CH3 amplifier output
CH3 amplifier input (-)
CH3 amplifier input (+)
CH4 amplifier output
CH4 amplifier input (-)
CH4 amplifier input (+)
Power supply pin
1. Block diagram
2. Pin function
28
27
26
Vcc
25
24
23 22
10k
20k
21
20
19
18
17 16
15
STAND BY
CH4
Vcc
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
Vcc
Level Shift
Level Shift
Level Shift
Level Shift
STAND BY
CH1/2/3
10k
10k
10k
10k
10k
20k
1
2
3
4
5
6
7
89
10
11
12
13
14
1
2
3
4
5
6
12
11
10
9
8
7
VCC
R-INPUT
GND
G-INPUT
STANDBY
B-INPUT
R-OUTPUT
VCC
G-OUTPUT
VCC
B-OUTPUT
GND
BIAS
6dB
75
driver
100k
5k5k
BIAS
6dB
75
driver
100k
5k5k
BIAS
6dB
75
driver
100k
5k5k
2
4
6
1
9 11
12
10
8
357
R-INPUT
G-INPUT
B-INPUT
R-OUTPUT
G-OUTPUT
B-OUTPUT
GND
VCC
STANDBY
TK15401(IC702):Video AMP.
1.Pin layout 2.Block diagram