1-15-1
H9520PIN
IC PIN FUNCTION DESCRIPTIONS
[ VCR Section ]
Comparison Chart of Models and Marks
IC501( SERVO / SYSTEM CONTROL IC )
“H”
≥
4.5V, “L”
≤
1.0V
Model
Mark
DVD757VR/00
A
DVD757VR/05
B
DVD757VR/02
C
Pin
No.
Mark
IN/
OUT
Signal
Name
Function
Active
Level
1
IN
SC2-IN
Input Signal from
Pin 8 of SCART2
A/D
2
IN
PG-Delay
Video Head
Switching Pulse
Signal Adjusted
Voltage
A/D
3
IN
POW-
SAF
P-ON Power
Detection Input
Signal
A/D
4
IN
END-S
Tape End Position
Detect Signal
A/D
5
IN
AFC
Automatic
Frequency Control
Signal
A/D
6
IN
V-ENV
Video Envelope
Comparator Signal
A/D
7
IN
KEY-1
Key Scan Input
Signal 1
A/D
8
IN
KEY-2
Key Scan Input
Signal 2
A/D
9
IN
LD-SW
Deck Mode
Position Detector
Signal
A/D
10
IN
ST-S
Tape Start Position
Detector Signal
A/D
11
-
NU
Not Used
-
12
-
NU
Not Used
-
13
OUT
D-V-
SYNC
Dummy V-sync
Output
H/Hi-
z
14
IN
REMOTE
-VIDEO
Remote
Control Sensor
L
15
OUT C-ROTA
Color Phase Rotary
Changeover SIgnal
H/L
16
OUT H-A-SW
Video Head Amp
Switching Pulse
H/L
17
IN
H-A-
COMP
Head Amp
Comparator Signal
H/L
18
OUT RF-SW
Video Head
Switching Pulse
H/L
19
OUT
Hi-Fi-H-
SW
HiFi Audio Head
Switching Pulse
H/L
20
IN
DAVN-L
VPS/PDC Data
Receive = “L”
L
21
OUT
DVD-
POWER
DVD Power
Control Signal
H
22
-
NU
Not Used
-
23
OUT
POWER-
LED
“POWER” LED
Signal Output
H/L
24
OUT
FIL-ON/
OFF
Filament ON/OFF
Control Signal
H/L
25
OUT
TIMER-
LED
“TIMER” LED Sig-
nal Output
H/L
26
OUT REC-LED
“REC” LED Signal
Output
H/L
27
-
NU
Not Used
-
28
OUT
DVD
PLAY
DVD Play at High
H
29
OUT DVD-LED
“DVD” LED Signal
Output
H/L
30
OUT VCR-LED
“VCR” LED Signal
Output
H/L
31
IN
REC-SAF-
SW
Recording Safety
SW Detect (With
Record tab=”L”/
With out Record
tab=”H”)
H/L
32
IN
A-MODE
Hi-Fi Tape
Detection Signal
L
33
OUT D-REC-H
Delayed Record
Signal
H
34
IN
RESET
System Reset
Signal (Reset=”L”)
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
OUT
INPUT
SELECT
Input Selector
Control Signal
H/L
42
IN
DVD-
8PIN-IN
SCART 8Pin DVD
Input Control
Signal
H/L
43
IN
CLKSEL
Clock Select (GND)
L
44
IN
OSCin
Clock Input
for letter size
-
Pin
No.
Mark
IN/
OUT
Signal
Name
Function
Active
Level
Summary of Contents for DVD757VR /00
Page 10: ...1 5 1 H9520IB OPERATING CONTROLS AND FUNCTIONS DVD757VR 00 ...
Page 11: ...1 5 2 H9520IB ...
Page 12: ...1 5 3 H9520IB DVD757VR 05 ...
Page 13: ...1 5 4 H9520IB ...
Page 15: ...1 5 6 H9520IB ...
Page 54: ...Main CBA Bottom View BH9520F01012A 1 11 33 1 11 34 ...
Page 123: ...Revision List New parts list added and old parts list removed July 7 2003 ...
