Ic Description - Aiwa NSX-MT960 Service Manual

IC DESCRIPTION
IC, LC866560W-5H39
Pin No.
Pin Name 1/0
Description
1 CLK o CLOCK output for MAIN,FRONT PWB.
2 DATA o
DATA output for MAIN, FRONT PWB.
3 STB
o Latch strobe output for MAIN PWB.
141
O-PLL CE
I 0 I PLL IC chip enable.
5 STB (SHIFT) o
Latch strobe output for FRONT shift register,
6 RESET (GAME) I Reset input for Sound IC.
7
STB (GAME)
o Latch strobe output for Sound IC.
8 I-NAR (GAME) I Sound IC NAR input.
9 O-DSC o Serial data output for PROLOGIC PWB.
10 RT A I
Main
volume rotary encoder input
A.
11 RT B I
Main volume rotary encoder input B.
12 RESET I
Reset input.
13
JOG A
I Dial jog rotary encoder input A.
14
JOG B
I Dial jog rotary encoder input B,
15 Vss 1
GND.
16 CF 1
—
5.76MHz oscillator circuit.
17 CF 2
—
18 VDD 1
—
Power supply input.
19 HOLD I Power failure detected input "L" to stop clock and main memory,"H" normal operation
20 KEY-1 I
21
KEY-2
I KEY input. (A/D)
22
KEY-3
I
23 I-CD SW I
CD mechanical switch A/D converter input.
24 I-DISH I CD turntable sensor input.
25
I-RDS SIG/MS I
RDS signal and deck music sensor signal input.
26 I-SPEANA I A/D input for spectrum analyzer display.
27 K-SCAN o Key scan output (active low).
28 I-RDS-CLK I Tuner RDS clock input.
29 I-RMC I System remote control signal input.
30-41 G13-G2
o FL GRID output G2-G13.
42,43 P39 - P38 o
FL SEGMENT output P39, P38.
44
G1 o
FL GRID output G1 .
45
P37 o
FL SEGMENT output P37.
46 VDD3
—
Power supply input.
47 SPEANA-A/P36 o Spectrum analyzer band switching output /FL segment P36 output.
48
SPEANA-BIP35
o Spectrum analyzer band switching output /FL segment P35 output.
49 SPEANA-CIP34 o Spectrum analyzer band switching output /FL segment P34 output.
50 P33/GAME I/0 FL segment P33 output I GAME key input.
51 -VFL
—
Power supply input for FL display.
52 P321AM-ST I/0 FL segment P32 output / AM-ST input to diode.
53 P3 l/Lw 1/0 FL segmentP31 output/ LW input to diode.
54 P30/sw 1/0 FL segment P30 outrmt / SW irmut to diode,
46