Ic Description - Aiwa NSX-R10 Service Manual

IC DESCRIPTION -1/1 (µPD780226GF-033-3BA) -1/2
Pin Name
Pin No.
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 I-REA
14 I-CST1
15 I-CST2
16 I-AUTO2
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 VSS
41 AVDD
42 I-HOLD
43 I-CDSW
I/O
O DECK motor output.
O DECK1 solenoid output.
O DECK2 solenoid output.
O Standby LED output. (Not used)
O System mute ON/OFF output.
O Key scan timing output.
O PLL chip enable output for LC72131D-N.
I Time-base signal input.
O Tuner ON/OFF output.
O DECK2 play back ON/OFF output.
ñ Not used.
I DECK1 detecting reel rotation switch input.
I DECK2 prevention for mistaken recording switch input.
I DECK1 cassette detect switch input.
I DECK2 cassette detect switch input.
I DECK2 detecting reel rotation switch input.
ñ GND.
ñ GND.
ñ Power supply input.
O System power supply ON/OFF output.
I JOG rotary encoder signal input (A/D).
I JOG rotary encoder signal input (A/D).
I VOL rotary encoder signal input (A/D).
I VOL rotary encoder signal input (A/D).
I CD SUBQ serial input.
I CD IC control input.
I CD IC control input.
I Tuner RDS clock output for BU1920FS.
I Tuner RDS data output for BU1920FS.
I Reset input.
O Serial data latch output for BD3881FV / PLL data output for LC72131D-N.
O MICON clock shift output.
I Tune IF count serial data input.
I System remote control signal input.
I CD turntable photo sensor signal input.
I Tuner stereo detected input.
ñ Power supply input.
ñ 4.19MHz oscillator circuit.
ñ 4.19MHz oscillator circuit.
ñ GND.
ñ GND.
I Power failure detected input "L" to stop clock and hold memory.
I CD mechanical switch A/D converter input.
Description
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