JVC MX-DVA9 Service Manual page 58

MX-DVA9/MX-DVA9R
LC75345M-X (IC521) : Input selector
1.Terminal layout
36 ~
1 ~
2.Block diagram
3. Pin function
Pin
Symbol
No.
1 DI Serial data input
2 CE Chip enable
3 VSS Connect to GND
4 LOPOUT Output pin of genral purpose
operation amplifier
5 LINM Non-inverterd pin of general
purpose operation amplifier
6 NC No connect
7 LOUT Att + equalizer output
8 LSB Capacitor and resistor connection
9 LBASS2 pins comprising filters
10 LBASS1 for bass and super-bass band
11 LTRE Capacitor connection pin comprising
treble band filter
12 LIN Volume input
13 LSEL0 Input selector output pin
14 NC No connect
15 AUXL Aux Lch signal input pin
16 TUL Tuner Lch signal input pin
17 PBL Playback Lch signal input pin
18 DVDL DVD Lch signal input pin
19 0.5 X VDD voltag genration
block for analog ground
1-58
19
18
LVref
CONTROL
CIRCUIT
LOGIC CCB
CIRCUIT INTERFACE
CONTROL
CIRCUIT
RVref
Function
Pin
Symbol
No.
19 VREF 0.5 X VDD voltage genration
block for analog ground
20 DVDR DVD Rch signal input pin
21 PBR Playback Rch signal input pin
22 TUR Tuner Rch signal input pin
23 AUXR Aux Rch signal input pin
24 NC No connect
25 RSEL0 Input selector output pin
26 RIN Volume input
27 RTRE Capacitor connection pin
comprising terble band filter
28 RBASS1 Capacitor and resistor connection
29 RBASS2 pins comprising
30 RSB filters for bass and superbass band
31 ROUT Att + equalizer output
32 NC No connect
33 RINM Non-inverterd pin of general
purpose operation amplifier
34 ROPOUT Output pin of genral purpose
operation amplifier
35 VDD Power supply
36 CL Clock input
Function