JVC UX-A10DVD Service Manual page 54

UX-A10DVD
BA5983FM-X (IC201) : Driver
1.Pin layout / Block diagram
28 27
+ -
Vcc
+ -
1 2
2.Pin function
No. Symbol
1 BIAS IN Input for Bias-amplifier
2 OPIN1(+) Non inverting input for CH1 OP-AMP
3 OPIN1(-) Inverting input for CH1 OP-AMP
4 OPOUT1 Output for CH1 OP-AMP
5 OPIN2(+) Non inverting input for CH2 OP-AMP
6 OPIN2(-) Inverting input for CH2 OP-AMP
7 OPOUT2 Output for CH2 OP-AMP
8 GND Substrate ground
9 STBY1 Input for CH1/2/3 stand by control
10 PowVcc1 Vcc for CH1/2 power block
11 VO2(-) Inverted output of CH2
12 VO2(+) Non inverted output of CH2
13 VO1(-) Inverted output of CH1
14 VO1(+) Non inverted output of CH1
1-54
26 25 24 23 22
+ -
10k
10k
20k
-
+
+
10k
-
10k
10k
+ -
3 4 5 6
Function
21 20
Vcc
STAND BY
CH 4
20k
-
+
+
-
10k
STAND BY
CH 1/2/3
7 8 9
No. Symbol
15 VO4(+)
16 VO4(-)
17 VO3(+)
18 VO3(-)
19 PowVcc2
20 STBY2
21 GND
22 OPOUT3
23 OPIN3(-)
24 OPIN3(+)
25 OPOUT4
26 OPIN4(-)
27 OPIN4(+)
28 PreVcc
19 18 17 16
10k 10k
10k
- + + - - +
10k
10k
10k
L e v e l
S h i f t
L e v e l
S h i f t
L e v e l
S h i f t
L e v e l
S h i f t
10k
10k
10k
Vcc
- + + - - +
10k 10k 10k
10 11 12 13
Function
Non inverted output of CH4
Inverted output of CH4
Non inverted output of CH3
Inverted output of CH3
Vcc for CH3/4 power block
Input for CH4 stand by control
Substrate ground
Output for CH3 OP-AMP
Inverting input for CH3 OP-AMP
Non inverting input for CH3 OP-AMP
Output for CH4 OP-AMP
Inverting input for CH4 OP-AMP
Non inverting input for CH4 OP-AMP
Vcc for pre block
15
10k
+ -
10k
10k
+ -
10k
14