Ic Description - Aiwa NSX-R71 Service Manual

IC DESCRIPTION -1/1 ( PD780228-081-3BA) -1/2
Pin No. Pin Name
1 O-MOTOR
2 O-SOL1
3 O-SOL2
4 O-LED_STB
5 O-MUTE
6 O-KSCAN
7 O-PLL_CE
8 I-TM_BASE
9 I-FUNC_A
10 I-FUNC_B
11 I-CAM2
12 I-CAM1
13 I-AUTO2
14 I-AUTO1
15 I-CST2
16 I-CST1
17 IC
18 VSS0
19 VDD0
20 O-POWER
21 I-JOG_A
22 I-JOG_B
23 I-VOL_A
24 I-VOL_B
25 I-SUBQ
26 I-WRQ
27 I-DRF
28 I-RDS_CLK
29 I-RDS_DATA
30 RESET
31 O-DSC/O-DATA
32 O-CLK_SFT
33 I-IFC
34 I-RMC
35 I-DISH
36 I-STEREO
37 VDD1
38 X2
39 X1
40 VSS1
41 AVDD
42 I-HOLD
I/O
O DECK MOTOR output.
O DECK SOL1 output.
O DECK SOL2 output.
O STB output for shift registor.
O MUTE output.
O Initial scan output.
O TUNER chip enable output.
I Reference clock input for clock. (8Hz)
I Rotary encoder input function A.
I Rotary encoder input function B.
I DECK CAM2 input.
I DECK CAM1 input.
I DECK AUTO2 input.
I DECK AUTO1 input.
I DECK CST2 input.
I DECK CST1 input.
– Connected to GND.
– GND for port part.
– Power supply for port part.
O Power control output.
I Rotary encoder input A.
I Rotary encoder input B.
I Rotary encoder input volume A.
I Rotary encoder input volume B.
I CD SUBQ input.
I CD WRQ input.
I CD DRF input.
I Clock input for RDS. (Connected to GND through a resistor)
I Input TUNER RDS DATA. (Connected to GND through a resistor)
– System RESET input
I/O Function IC control / DATA output.
O Clock shift output.
I TUNER IF count serial data input.
I System remote control signal input.
I CD turntable photo sensor.
I Tuner stereo input.
– Power supply.
O Main system clock output 2. (4.19 MHz)
I Main system clock output 1. (4.19 MHz)
– GND.
– Voltage for A/D converter.
I Input for HOLD.
Description
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