ICF-CD825RM - Sony Audio Service Manual (repair manual). Page 26

Read Sony ICF-CD825RM Service Manual online

– 37 –
 TX BOARD  IC701  
µ
PD63GS-G02-T1 (KEY DATA TRANSMIT CONTROLLER)
Pin No.
Pin Name
I/O
Function
1
TX OUT
O
Transmit control signal output terminal    Used for the TX system power supply control
2
KI/O7
O
Setting terminal for the test mode
3
SO
I
Setting terminal for the test mode    Connected to 2 and 3 pins: test mode
4
SI/LED
I
Remote control data output terminal
5
REM
O
Not used (open)
6
VDD
Power supply terminal (+3V)
7
X OUT
O
Main system clock output terminal (4 MHz)
8
X IN
I
Main system clock input terminal (4 MHz)
9
GND
Ground terminal
10
RESET
I
System reset signal input terminal    “L”: reset
11
CD
I
Key input terminal    CD 
( P key input (S701)
12
RADIO
I
Key input terminal    RADIO  SLEEP key input (S702)
13
OFF
I
Key input terminal    OFF  ALARM RESET key input (S703)
14
SNOOZE
I
Key input terminal    SNOOZE/SLEEP OFF key input (S704)
15
COM
O
Key send signal output terminal
16 to 20
KI/O1 to KI/O5
O
Not used (open)
Page of 39
Display

Click on the first or last page to see other ICF-CD825RM service manuals if exist.