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JVC UX-A52R Service Manual page 37

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3. Pin function
Pin No.
Symbol
Function
1
DI
Serial data and clock input pin for control.
2
CE
Chip enable pin.
3
VSS
Ground pin.
4
LOPOUT
Output pin of general-purpose operation amplifier.
5
LINM
Non-inverted input pin of general-purpuse operation amplifier.
6
LINP
Non-inverted input pin of general-purpuse operation amplifier.
7
LOUT
ATT + equalizer output pin.
8
LSB
Capacitor and resistor connection pin comprising filters for bass and super-bass band.
9
LBASS2
Capacitor and resistor connection pin comprising filters for bass and super-bass band.
10
LBASS1
Capacitor and resistor connection pin comprising filters for bass and super-bass band.
11
LTRE
Capacitor and resistor connection pin comprising treble band filter.
12
LVRIN
Volume input pin.
13
LSELO
Input selector output pin.
14
L5
Input signal pin.
15
L4
Input signal pin.
16
L3
Input signal pin.
17
L2
Input signal pin.
18
L1
Input signal pin.
19
Vref
0.5 x VDD voltage generation block for analog ground.
20
R1
Input signal pin.
21
R2
Input signal pin.
22
R3
Input signal pin.
23
R4
Input signal pin.
24
R5
Input signal pin.
25
RSELO
Input selector output pin.
26
RVRIN
Volume input pin.
27
RTRE
Capacitor connection pin comprising treble band filter.
28
RBASS1
Capacitor and resistor connection pin comprising filter for bass and super-bass band.
29
RBASS2
Capacitor and resistor connection pin comprising filter for bass and super-bass band.
30
RSB
Capacitor and resistor connection pin comprising filter for bass and super-bass band.
31
ROUT
ATT + equalizer output pin.
32
RINP
Non inverted input pin of general-purpose operation amplifier.
33
RINM
Non inverted input pin of general purpose operation amplifier.
34
ROPOUT
Output pin of general-purpose operation amplifier.
35
VDD
Supply pin.
36
CL
Serial data and clock input pin for control.
UX-A52R
1-37

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