Aiwa NSX-AJ310/U Service Manual page 30

IC DESCRIPTION
IC, PD780226GF-021-3BA <EXCEPT 315EZ>, IC, PD780228GF-078-3BA <315EZ>
Pin Name
Pin No.
1 O-MOTOR
2 O-SOL1
3 O-SOL2
4 O-STBY
5 NC
6 O-PB1
7 NC
8 NC
9 NC
10 NC
11 O-TU_ON
12 O-MUTE
13 O-KSCAN
14 O-BIAS
15 O-RMT/STB(M)
16 NC
17 IC
18 VSS0
19 VDD0
20 O-POWER
21 NC
22 NC
23 NC
24 I-SUBQ
25 I-WRQ
26 I-DRF
27 I-REA
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
43 I-CDSW
I/O
O DECK MOTOR ON/OFF output.
O DECK1 solenoid ON/OFF output.
O DECK2 solenoid ON/OFF output.
O STANDBY LED (Echo mode) output (ON/OFF).
– Not connected.
O DECK1 playback switch output (ON/OFF).
– Not connected.
– Not connected.
– Not connected.
– Not connected.
O TUNER ON/OFF switch output.
O System MUTE ON/OFF output.
O Switch SCAN timing output.
O DECK2 BIAS ON/OFF output.
O DECK2 REC MUTE ON/OFF output.
– Not connected.
– Internal connection (connected to GND).
– GND.
– Power supply.
O System power supply ON/OFF output.
– Not connected.
– Not connected.
– Not connected.
I CD SUBQ data input.
I CD interrupt signal input.
I CD focus ON detect data input.
I DECK2 sideA record OK switch data input.
I Tuner RDS clock input <315EZ only>.
I Tuner RDS data input <315EZ only>.
– System reset input (ON/OFF).
O Function IC/Tuner IC, DATA output.
O MICON clock shift output.
I Tune IF count serial data input.
I System remote control signal input.
I CD turntable photo sensor input A/D converter input.
I Tuner STEREO detect input.
– Power supply.
– 4.19MHz oscillator circuit.
– 4.19MHz oscillator circuit.
– GND.
– Power supply.
I Power failure detected input.
I CD mecha switch A/D converter input.
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Description