Aiwa XR–DV525 Service Manual page 31

IC DESCRIPTION
IC, LC876572V-5T19
Pin No. Pin Name
1 I-STEREO
2 I-IFC
3 NC
4 O-POWER
5 I-HP-MUTE
6 O-DATA(M)
7 O-STB(M)
8 O-MUTE
9 O-STB(SHIFT)
10 O-CLK-SHIFT
11 RESET
12 NC
13 I-DISH
14 VSS1
15 CF1
16 CF2
17 VDD1
18 I-HOLD
19 ~ 21 I-KEY1 ~ 3
22 I-TU-SIG / I-MS
23 I-MECHASW
24 I-SPEANA
25 NC
26 I-RE-VOL
27 I-RDS-CLK
28 I-TM-BASE
29 I-RMC
30 ~ 40 G11 ~ G1
41 NC
42 ~ 45 P35 ~ P32
46 VDD3
47 ~ 48 P31 ~ P30
49 P29 / O-SPEANA-C
50 P28 / O-SPEANA-B
51 –VFL
52 P27 / O-SPEANA-A
53 P26
54 P25 / I-NO-CASINO
55 P24 / I-KARAOKE
56 P23 / NO-DEMO
57 P22 / AC-3
I/O
I Tuner stereo signal input.
I Tuner IF count serial data input.
– Not connected.
O Power ON/OFF output.
I Headphone insert detection input.
O IC control serial data output.
O Main strobe output.
O Mute signal output.
O Latch strobe output for Front shift register.
O Micon clock shifts control output.
I Reset input.
– Not connected.
I DVD turntable photo sensor.
– GND.
I Oscillator input for system clock (9.43MHz).
O Oscillator output for system clock (9.43MHz).
– Power supply.
I Power failure detection input.
I Tact key 1 ~ 3 input.
I Tuner signal input / Music sensor signal input.
I DVD Mecha detect switch.
I Spectrum analyzer signal input.
– Not connected.
I Rotary encoder volume input.
I RDS clock input. (Not used)
I Reference signal for clock.
I Remote control signal input.
O FL grid output.
– Not connected.
O FL segment output.
– Power supply.
O FL segment output.
O FL segment output / Spectrum analyzer signal output C.
O FL segment output / Spectrum analyzer signal output B.
– Power supply for FL input.
O FL segment output / Spectrum analyzer signal output A.
O FL segment output.
O/I FL segment output / NO-CASINO initial diode setting input (not used).
O/I FL segment output / KARAOKE initial diode setting input.
O/I FL segment output / NO-DEMO initial diode setting input (not used).
O/I FL segment output / AC-3 initial diode setting input (not used).
Description
– 31 –