Pioneer XV-DV1000 Service Manual page 154

1
LC75344M (CONTROL ASSY : IC3902)
QQ
3 7 63 1515 0
• One Chip El. Volume System IC
A
Pin Arrangement
1
LIN
2
LOUT
3
VDD
4
DI
B
5
CL
C
Block Diagram
TE
L 13942296513
D
E
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F
154
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2
10 RIN
9
ROUT
8
VSS
7
Vref
6
CE
(Top View)
5 4 3
CCB
Interface
6 7 8
x ao
y
. i
2
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3
8
Pin Function
No. Pin Name
1 LIN
2 LOUT
3 VDD
4 DI
5 CL
6 CE
7 Vref
8 VSS
9 ROUT
10 RIN
Q Q
3 6 7
2 1
Control
L Vref
Circuit
Logic
Circuit
Control
R Vref
Circuit
9 10
u163
XV-DV1000
3
4
2 9 9 4
Pin Function
Volume input pin
Volume output pin
Power supply pin
Serial data and clock input for control
Chip enable pin
0.5VDD voltage generator for analog ground
Ground pin
Volume output pin
Volume input pin
1 3 1 5 0 5 8 2 9
m
co
.
4
2 8
9 9
9 4 2 8 9 9