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IC501( SERVO / SYSTEM CONTROL IC )
"H" ≥ 4.5V, "L" ≤ 1.0V
Pin
IN/
Signal
No.
OUT
Name
1
IN
SC2-IN
2
IN
PG-DELAY
3
IN
POW-SAF
4
IN
END-S
5
IN
AFC
6
IN
V-ENV
7
IN
KEY-1
8
IN
KEY-2
9
IN
LD-SW
10
IN
ST-S
11
-
NU
12 OUT DVD-PLAY
13 OUT D-V-SYNC
REMOTE-
14
IN
VIDEO
15 OUT C-ROTA
16 OUT H-A-SW
17
IN
H-A-COMP
18 OUT RF-SW
19 OUT Hi-Fi-H-SW HiFi Audio Head
20
-
NU
21 OUT DVD-
POWER
22
-
NU
23 OUT POWER-
LED
IC PIN FUNCTION DESCRIPTIONS
Active
Function
Level
Input Signal from
Pin 8 of SCART2
Video Head
Switching Pulse
Signal Adjusted
Voltage
P-ON Power
Detection Input
Signal
Tape End Position
Detect Signal
Automatic
Frequency Control
Signal
Video Envelope
Comparator Signal
Key Scan Input
Signal 1
Key Scan Input
Signal 2
Deck Mode
Position Detector
Signal
Tape Start Position
Detector Signal
Not Used
DVD Play at High
Dummy V-sync
H/Hi-z
Output
Remote Control
Sensor
Color Phase Rotary
Changeover SIgnal
Video Head Amp
Switching Pulse
Head Amp
Comparator Signal
Video Head
Switching Pulse
Switching Pulse
Not Used
DVD Power Control
Signal
Not Used
"POWER" LED
Signal Output
Pin
IN/
No.
OUT
24
-
25
-
26
-
27 OUT RGB-
A/D
28 OUT LINE-
A/D
29 OUT DVD-LED
30 OUT VCR-LED
A/D
A/D
31
IN
A/D
32
IN
A/D
33 OUT D-REC-H
A/D
34
IN
A/D
35
IN
36 OUT XCOUT
A/D
37
-
38
IN
A/D
39 OUT Xout
-
40
-
H
41 OUT INPUT
42
IN
L
43
IN
H/L
44
IN
H/L
45 OUT OSCout
H/L
46
-
47
IN
H/L
48
IN
H/L
49
-
-
50
IN
H
51
-
-
52 OUT OSD-V-
H/L
1-16-1
Signal
Function
Name
NU
Not Used
NU
Not Used
NU
Not Used
SCART 2 RGB
Through Control
THROUGH
Signal
Audio Mute Control
MUTE
Signal
"DVD" LED Signal
Output
"VCR" LED Signal
Output
Recording Safety
SW Detect (With
REC-SAF-
Record tab="L"/
SW
With out Record
tab="H")
Hi-Fi Tape
A-MODE
Detection Signal
Delayed Record
Signal
System Reset
RESET
Signal (Reset="L")
XCin
Sub Clock
Sub Clock
Vcc
Vcc
Xin
Main Clock Input
Main Clock Input
GND
Vss(GND)
Input Selector
SELECT
Control Signal
SCART 8Pin DVD
DVD-8PIN-
Input Control
IN
Signal
CLKSEL
Clock Select (GND)
Clock Input for
OSCin
letter size
Clock Output for
letter size
NUB
Not Used
LP
LP
FSC-IN
4.43MHz Clock
[4.43MHz]
Input
OSDVss
OSDVss
OSD Video Signal
OSD-V-IN
Input
NU
Not Used
OSD Video Signal
OUT
Output
Active
Level
-
-
-
L/H
H
H/L
H/L
H/L
L
H
L
-
-
-
-
-
-
H/L
H/L
L
-
-
-
-
-
-
-
-
-
H9724PIN
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