JVC UX-V30, Service Manual

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UX-V30
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3. Pin function
Pin No.
symbol I/O
I
O
I
--
I
O
I
I
O
I
I
I
I
--
O
I
O
I
I
Function
D1
CE
Serial data input pin for control
Chip enable pin
Vss Ground
TEST
TEST pin for electronic volume control
LOUT equalizer output
LBASS2
Bas-band filter comprising capacitor and resistor connection
LBASS1 Bas-band filter comprising capacitor and resistor connection
LTRE
I
Capacitor connection pin comprising treble band filter
LIN equalizer intput
LSEL0 Input selector output pin
L4
Input signal pin
L3
Input signal pin
L2
Input signal pin
L1
Input signal pin
NC
No connect
NC --
No connect
R1
Input signal pin
R2
R3
R4
I
I
I
Input signal pin
Input signal pin
Input signal pin
RSEL0
Input selector output pin
RIN
equalizer intput
RTRE
Capacitor connection pin comprising treble band filter
I
I
RBASS1
Bas-band filter comprising capacitor and resistor connection
I
RBASS2
Bas-band filter comprising capacitor and resistor connection
ROUT
O
equalizer output
NC -- No connect
Vref
O
Analog ground
VDD Poer Supply
CL Clock input