1-15-1
H9740PIN
IC PIN FUNCTION DESCRIPTIONS
Pin
No.
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
OUT FRONT-AV
Front AV Output
Signal
Z/L
21
OUT
DVD-
POWER
DVD Power Control
Signal
H
23
OUT
POWER-
LED
"POWER" LED
Signal Output
H/L
24
-
NU
Not Used
-
25
-
NU
Not Used
-
26
-
NU
Not Used
-
27
-
NU
Not Used
-
28
OUT
LINE-
MUTE
Audio Mute Control
Signal
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
-
GND
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
-
45
OUT OSCout
Clock Output for
letter size
-
46
-
NUB
Not Used
-
47
IN
LP
LP
-
48
IN
FSC-IN
[4.43MHz]
4.43MHz Clock
Input
-
49
-
OSDVss
OSDVss
-
50
IN
OSD-V-IN
OSD Video Signal
Input
-
Pin
No.
IN/
OUT
Signal
Name
Function
Active
Level
22
-
NU
Not Used
-
[ VCR Section ]
IC501( SERVO / SYSTEM CONTROL IC )
"H"
≥
4.5V, "L"
≤
1.0V
Содержание DV-NC100S
Страница 48: ...1 12 3 1 12 4 H9740SCM1 Main 1 9 Schematic Diagram VCR Section ...
Страница 50: ...Main 3 9 Schematic Diagram VCR Section 1 12 7 1 12 8 H9740SCM3 ...
Страница 51: ...Main 4 9 Schematic Diagram VCR Section 1 12 9 1 12 10 H9740SCM4 ...
Страница 52: ...1 12 11 1 12 12 H9740SCM5 Main 5 9 Schematic Diagram VCR Section ...
Страница 53: ...Main 6 9 Schematic Diagram VCR Section 1 12 13 1 12 14 H9740SCM6 ...
Страница 54: ...Main 7 9 DVD Open Close Schematic Diagrams VCR Section 1 12 15 1 12 16 H9740SCM7 ...
Страница 55: ...Main 8 9 Schematic Diagram VCR Section 1 12 17 1 12 18 H9740SCM8 ...
Страница 56: ...1 12 19 1 12 20 H9740SCM9 Main 9 9 Schematic Diagram VCR Section ...
Страница 58: ...Jack A Schematic Diagram 1 12 23 1 12 24 H9740SCJ ...
Страница 59: ...AFV Schematic Diagram 1 12 25 1 12 26 H9740SCAFV ...
Страница 60: ...1 12 27 1 12 28 H9740SCD1 DVD Main 1 3 Schematic Diagram DVD Section ...
Страница 61: ...1 12 29 1 12 30 H9740SCD2 DVD Main 2 3 Schematic Diagram DVD Section ...
Страница 69: ...1 12 46 BE5900G04012 1 12 45 DVD MAIN CBA Top View ...
Страница 70: ...1 12 47 1 12 48 BE5900G04012 DVD MAIN CBA Bottom View ...
