Aiwa NSX-DP25 Service Manual page 27

IC DESCRIPTION
µ
IC, PD780228GF-060-3BA
Pin Name
Pin No.
1 O-MOTOR
2 O-SOL1
3 O-SOL2
4 P-LOGIC_LED
5 NC
6 O-SET_LED
7 O-CLEAR_LED
8 O-PRESET_LED
9 O-DOWN_LED
10 O-UP_LED
11 NC
12 O-MUTE
13 NC
14 O-BIAS
15 NC
16 I-HP-MUTE
17 IC
18 VSSO
19 VDDO
20 O-POWER
21 O-OPEN
22 O-CLOSE
23 O-DISH_F
24 O-DISH_R
25 NC
26 O-STB
27 I-REA
28 I-RDS_CLK
29 I-SUBQ/I-RDS_DATA
30 RESET
31 O-DATA
32 I-WRQ/STEREO
33 I-DRF/IFC
34 I-RMC
35 I-DISHSENS
36 O-CLK_SFT
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 output.
O DECK2 solenoid output.
O PRO LOGIC LED ON/OFF output.
– Not connected.
O SET LED ON/OFF output.
O CLEAR LED ON/OFF output.
O PRESET LED ON/OFF output.
O DOWN LED ON/OFF output.
O UP LED ON/OFF output.
– Not connected.
O MUTE output.
– Not connected.
O BIAS ON output.
– Not connected.
I Head phones connect detect input.
– Internal connection (connected to GND).
– GND.
– Power supply.
O System power supply ON/OFF output.
O CD tray open data output.
O CD tray close data output.
O CD turntable forward rotation output.
O CD turntable reverse rotation output.
– Not connected.
O Strobe output for MAIN C.B.
I Deck 2 side-A recordable switch data input. "L"=REC.
I Tuner RDS clock input.
I CD SUBQ data input / Tuner RDS data input.
– System reset.
O Data output for MAIN.
I CD WRQ input / Tuner stereo input.
I CD DRF input / Tune IF count serial data input.
I System remote control input.
I CD turntable photo sensor input.
O Micon clock shift output.
– Power supply.
– 4.19MHz oscillator circuit.
– 4.19MHz oscillator circuit.
– GND.
– Power supply.
I Power failure detected input.
I CD mecha switch input.
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Description