Sharp GX-CD5100W Service Manual page 59

IC401 VHiLC75341M-1: Audio Processor (LC75341M)
Pin No. Terminal Name
1 DI
2 CE
3 VSS
4 LOUT
5 LBASS
6 LTRE
7 LIN
8 LSEL0
9-12 L4-1
CD
L4 9
Tuner
L3 10
Tape
11
L2
Video
12
L1
R1
13
14
R2
R3
15
16
R4
Function
Serial data and clock input pin for con-
trol.
Chip enable pin.
Data written into an internal latch in a
timing of "H" to "L".
Each analog switch is activated.
Data transfer enabled at "H" level.
Ground pin.
Bass band filter comprising
capacitor and resistor connection pin
and bass/treble output pin.
Bass band filter comprising capacitor
and resistor connection pin.
Treble band filter comprising capacitor
and resistor connection pin.
Volume + equalizer output pin.
Input selector output pin.
Input signal pin.
8 7
CONTROL
CONTROL
CONTROL
17 18
Figure 8-3 BLOCK DIAGRAM OF IC
Pin No. Terminal Name
13-16 R1-4
17 RSEL0
18 RIN
19 RTRE
20 RBASS
21 ROUT
22 VREF
23 VDD
24 CLK
6 5
CIRCUIT
CCB
INTERFACE
CIRCUIT
CIRCUIT
19 20
8 – 8
Function
Input signal pin.
Input selector output pin.
Volume + equalizer output pin
Treble band filter comprising capaci-
tor and resistor connection pin.
Bass band filter comprising capaci-
tor and resistor connection pin.
Bass band filter comprising capaci-
tor and resistor connection pin and
bass/treble output pin.
0.5x VDD voltage generation block
for analog ground. Capacitor of sev-
eral 10µF to be connected between
VREF and AWSS (VSS) as a coun-
termeasure against power ripple.
Supply pin
Serial data and clock input pin for
control.
4
LVref
RVref
21
GX-CD5100W
3 VSS
2 CE
1
DI
24 CLK
23 VDD
22 VREF