Chapter 8. Others; Function Table Of Ic - Sharp XL-DV60 Service Manual

XL-DV60
CHAPTER 8.
OTHERS

[1] FUNCTION TABLE OF IC

IC601 VHiLC75341M-1: Signal Control (LC75341M)
IC603 VHiLC75341M-1: Signal Control (LC75341M)
Pin No. Terminal Name
1 DI Serial data and clock input pin for con-
trol.
2 CE 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.
3 VSS Ground pin.
4 LOUT Bass band filter comprising
capacitor and resistor connection pin
and bass/treble output pin.
5 LBASS Bass band filter comprising capacitor
and resistor connection pin.
6 LTRE Treble band filter comprising capacitor
and resistor connection pin.
7 LIN Volume + equaliser output pin.
8 LSEL0 Input selector output pin.
9,10*11 L4-1 Input signal pin.
12
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
IC601 VHiLC75341M-1: Signal Control (LC75341M)
IC603 VHiLC75341M-1: Signal Control (LC75341M)
9
L4
L3 10
11
L2
12
L1
R1
13
R2 14
R3
15
16
R4
Function
8 7 6
CONTROL
CIRCUIT
LOGIC
CIRCUIT
CONTROL
CIRCUIT
17 18 19
Figure 1 BLOCK DIAGRAM OF IC
8 – 1
Service Manual
Pin No. Terminal Name
13,14, R1-4 Input signal pin.
15*,16
17 RSEL0 Input selector output pin.
18 RIN Volume + equaliser output pin
19 RTRE Treble band filter comprising capacitor
and resistor connection pin.
20 RBASS Bass band filter comprising capacitor
and resistor connection pin.
21 ROUT Bass band filter comprising capacitor
and resistor connection pin and bass/
treble output pin.
22 VREF 0.5x VDD voltage generation block
for analog ground. Capacitor of sev-
eral 10µF to be connected between
VREF and AWSS (VSS) as a counter-
measure against power ripple.
23 VDD Supply pin
24 CL Serial data and clock input pin for con-
trol.
5 4
LVref
CCB
INTERFACE
RVref
20 21
XL-DV60
Function
3 VSS
2 CE
1
DI
24 CL
23
VDD
VREF
22