JVC KD-SX8250 Service Manual page 32

KD-SX8250/KD-SX780
LC75344M-X(IC252):Sub woofer
1.Terminal layout
10 9 8 7
1 2 3 4
3.Pin function
Pin
Symbol
No.
1 LIN
2 LOUT
3 VDD
4 DI
5 CL
6 CE
7 Vref
8 VSS
9 ROUT
10 RIN
1-32
2.Block diagram
6
5
Function
Input signal connections
Volume output
Power supply
Serial data and clock inputs used for IC control
Chip enable
Data is writen to the internal latch when this pin goes from high to low. The internal
analog switches operate at this point. Data transfer is enabled when this pin is high.
Connection to the 0.5 x VDD voltage generator circuit used as the analog signal
ground.
To a power supply ripple countermeasure,application must connect a capacitor of
about 10 F between this pin and AVSS(VSS).
Ground
Volume output
Input signal connections