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