Read Sony ST-SE520 Service Manual online
10
10
4-6. IC PIN FUNCTION
• IC701 System Control (
µ
PD78205GF-040-3BA)
I/O
Function
Pin Name
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
—
—
—
—
—
—
—
—
—
I
O
I
—
—
I
—
O
O
I
O
—
I
—
I
—
O
O
—
I
O
I
I
I
—
I
I
I
I
I
—
Power supply (+5V)
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
System reset input
Oscillation signal output (4.19MHz)
Oscillation signal output (4.19MHz)
Ground
Not used
Lock signal input
Power supply (+5V)
PLL clock to TB101
PLL data to TB101
PLL clock from TB101
PLL Latch to TB101
Not used.
Stereo display detection.
Not used
Auto stop signal detection
Ground
Muting signal output
External control
Not used
RDS data input
Rotary encoder phase detection
Key input
Key input
Signal input
Analog power supply (+5V)
Reference voltage (+5V)
Remote control input
Rotary encoder number of rotation detection
RDS data clock input
Power supply ON/OFF monitor
Ground
VDD
ANT
ANT
BAND 1
BAND 2
IF-B
NC
MONO
TUN
RESET
X2
4.19MHz
GND
NC
LOCK
VDD
CLK
DATA
D-IN
CE
BLN
ST
CAL
AST
AVSS
MUTE
E ON
PGM
DATA RDS
R2
KEY 2
KEY 1
SI
AVDD
AVREF
R IN
R 1
RDS CLK
POWER
GND
I/O
Function
Pin No.
Pin Name
41
42
43
44
45
46
47 to 78
79
80 to 84
85
86 to 100
IS 5
IS 4
IS 3
IS 2
IS 1
VDD
P1 to P32
V LOAD
P33 to P37
G16
G15 to G1
I
I
I
I
I
—
O
—
O
—
O
Model detection
Power supply (+5V)
FL segment output
Power supply (–30V)
FL segment output
Not used
FL grid output
• Abbreviation
FL: FLUORESCENT INDICATOR TUBE
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