Ic Description - Aiwa XR-TC80 Service Manual

IC DESCRIPTION -1/2 (LC876764A-50J8) -1/3
Pin No. Pin Name
1 O-CLK
2 O-DATA
3 O-/L-MUTE
4 O-/KSCAN
5 O-/MUTE
6 O-TUNER-ON
7 O-/STBY-LED
8 O-ILM-LED
9 O-/CLK-SHIFT
10 O-/XXXXXX
______
11 RESET
12 I-KEY1
13 I-KEY2
14 VSS1
15 CF1
16 CF2
17 VDD1
18 I-DRV DET
19 I-STKR SW
20 I-HOLD
21 I-SENS
22 I-SUBQ
23 I-IFC
24 I-W-SW
25 I-RDS DATA
26 I-TU SIG
27 I-RDS CLK
28 I-TM-BASE
29 I-RMC
30 G10
31 G9
32 G8
33 G7
34 G6
35 G5
36 G4
37 G3
38 G2
39 G1
40 P35
41 P34
42 P33
I/O
O Main clocl input
O Main data output
O Line out mute output
O KEY SCAN output at the time of reading
O Main mute output
O TUNER power ON output
O Stand-by LED lighting output
O LED lighting output for window
O Clock shift output
O Window autmatic open/close LED output
I Reset input. RESET at Active "L".
I KEY1 A/D input
I KEY2 A/D input
- Ground of digital circuits
I Input signal of ceramics oscillator
O Output signal of ceramics oscillator
- Power supply
I CD, Window Mechanism restricted detection input
I CD Mechanism STKR SWAD input
I Power failure detection A/D input
I CD SENS signal input
I CD SUBQ signal input
I TUNER IF count input
I CD Mechanism window SW input
I TUNER RDS data input
I TUNER tuning signal A/D input
I TUNER RDS clock input
I Clock standard 8Hz input
I Remote control sensor data input
- FL grid control
- FL grid control
- FL grid control
- FL grid control
- FL grid control
- FL grid control
- FL grid control
- FL grid control
- FL grid control
- FL grid control
- FL segment control
- FL segment control
- FL segment control
Description
-44-