Ic Description - Aiwa NSX-D60 Service Manual

IC DESCRIPTION

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IC, UPD780226GF-031-3BA
3 7 63 1515 0
Pin No. Pin Name
1 O-MOTOR
2 O-SOL1
3 O-SOL2
4 O-STBY LED
5 O-MUTE
6 O-KSCAN
7 O-PLL_CE
8 I-TM_BASE
9 O-TU-ON
10 O-PB2
11 O-VF
12 I-AUTO1
13 O-CD1
14 O-CD2
15 O-CD3
16 I-AUTO2
17 IC
18 VSS0
19 VDD0
20 O-POWER
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L 13942296513
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-MIC / 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
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38 X2
39 X1
.
40 VSS1
41 AVDD
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I/O
O Deck motor ON/OFF output.
O Deck 1 solenoid output.
O Deck 2 solenoid output.
O Standby LED (ECO mode) output.
O System mute ON/OFF output.
O Diode switch scan timing output.
O PLL IC chip enable output.
I Reference clock input for timer watch.
O Tuner power supply ON/OFF output.
O Deck 2 playback switch output.
O Vocal fader ON/OFF output. (Not used)
I DECK 1 auto stop signal input.
O CD1-LED illumination output.
O CD2-LED illumination output.
O CD3-LED illumination output.
I DECK 2 auto stop signal input.
– Connected to GND.
– GND.
– Power supply.
O System power supply ON/OFF output.
I Rotary encoder A input (JOG).
I Rotary encoder B input (JOG).
I Rotary encoder A input (VOLUME).
I Rotary encoder B input (VOLUME).
I CD SUBQ data input.
I CD interruption signal input.
I CD focus on detect data input.
MIC input for the vocal fader / Tuner RDS clock input (RDS only). (Connected to pull-down
I
resistor)
I Tuner RDS data input (RDS only). (Connected to pull-down resistor)
I 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 turn table photo sensor A/D converter input.
I Tuner stereo detected input.
– Power supply.
– 4.19 MHz oscillator circuit.
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– 4.19 MHz oscillator circuit.
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– GND.
– Power supply.
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Description
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