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IC DESCRIPTION
µ
IC,
PD780226GF-019-3BA
Pin No.
Pin Name
1
O-MOTOR
2
O-SOL1
3
O-SOL2
4
NC
5
NC
6
O-SET_LED
7
O-CLEAR_LED
8
O-PRESET_LED
9
O-DOWN_LED
10
O-UP_LED
11
O-TUNER_ON
12
O-MUTE
13
O-PB2
14
O-BIAS
15
O-RMT
16
O-CD_ON
17
IC
18
VSS0
19
VDD0
20
O-POWER
21
O-OPEN
22
O-CLOSE
23
O-DISH_F
24
O-DISH_R
25
NC
26
NC
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
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I/O
O
DECK MOTOR ON/OFF output.
O
DECK1 solenoid output.
O
DECK2 solenoid output.
–
Not connected.
–
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.
O
TUNER ON output.
O
MUTE output.
O
DECK2/DECK1 play output.
O
BIAS ON output.
O
REC mute output.
O
CD ON output.
–
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.
–
Not connected.
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 (not used).
–
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.
– 20 –
Description
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