JVC KV-DV7 Service Manual page 17

TC9260F-X (IC131) : E. volume
1. Pin layout
Vss 1 16 VDD
OUT 2 15 OUT
IN 3 14 IN
LD1 4 13 LD1
LD2 5 12 LD2
A-GND 6 11 A-GND
CS 7 10 STB
CK 8 9 DATA
3. Block diagram
OUT 2
IN 3
L-ch
LD1 4
VOLUME
LD2 5
A-GND 6
CS 7
CK 8
2. Pin function
Pin No. Symbol
1 Vss
2 L-OUT
3 L-IN
4 L-LD1
5 L-LD2
6 L-GND
7 CS
8 CK
9 DATA
10 STB
11 R-GND
12 R-LD2
13 R-LD1
14 R-IN
15 R-OUT
16 VDD
Vss VDD
16
1
L-ch R-ch
LATCH LATCH
DATA DECODER STB GENERATOR
SHIFT REGISTER (13bit)
Function
Digital ground terminal
Volume output terminal
Volume input terminal
Tap out terminal for loudness(1)
Tap out terminal for loudness(2)
Analog ground terminal
Chip select terminal
Clock input terminal
Data input terminal
Strobe input terminal
Analog ground terminal
Tap output terminal for loudness(2)
Tap output terminal for loudness(1)
Volume input terminal
Volume output terminal
Power supply terminal
15 OUT
14 IN
R-ch
13 LD1
VOLUME
12 LD2
11 A-GND
10 STB
9 DATA
KV-DV7
1-17