Ic Pin Function Description - Sony TA-FE300R Service Manual

2-2. IC PIN FUNCTION DESCRIPTION

CONTROL BOARD IC801 TMP47C103N (INPUT CONTROL, LED DRIVE)
Pin No. Pin Name I/O
1 X OUT O
2 X IN I
3 RESET I
4 PMD I
5 VOL+ O
6 VOL – O
7 SW0 I
8 SW1 I
9 SW2 I
10 EON I
11 PHONO O
12 TUNER O
13 CD O
14 GND –
15 AUX O
16 DAT O
17 TAPE O
18 MON O
19 PRY O
20 PKY I
21 MON I
22 SIRCS I
23 MUTE O
24 SCE O
25 SDT O
26 SCK O
27 STOP I
28 +3 V –
System clock. (4 MHz)
System clock. (4 MHz)
RESET input.
MODE select input.
Motor drive output (+).
Motor drive output (–).
Rotary switch input (CD).
Rotary switch input (TUNER).
Rotary switch input (PHONO).
EON signal input.
PHONO LED drive output.
TUNER LED drive output.
CD LED drive output.
Ground.
AUX LED drive output.
TAPE "Z" LED drive output.
TAPE "1" LED drive output.
MONITOR output.
Power relay output.
Power key input.
MONITOR input.
SIRCS input.
Muting output.
Chip enable output.
Serial data output.
Serial clock output.
Stop input.
+3 V power supply.
Function
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