7-7
7-2 IC PIN FUNCTION DESCRIPTIONS
[ VCR Section ]
IC501( SERVO / SYSTEM CONTROL IC )
“H”
≥
4.5V, “L”
≤
1.0V
Pin
No.
IN/
OUT
Signal
Name
Function
Active
Level
1
IN
P-DOWN-H
Power Voltage
Down Detector
Signal
H
2
IN
REC-SAF-
SW
Recording Safety
SW Detect (With
Record tab = ”L”/
With out Record tab
= ”H”)
H/L
3
IN
T-REEL
Take Up Reel
Rotation Signal
PULSE
4
-
N.U.
Not Used
-
5
IN
REMOTE-
VIDEO
Remote Control
Sensor
L
6
OUT
DISPLAY-
CLK
7seg. Driver IC
Clock Control
Output Signal
H/L
7
OUT
AUDIO-
MUTE-H
Audio Mute Control
Signal (Mute = “H”)
H
8
OUT
DISPLAY-
DATA
7seg. Driver IC
Data Control Output
Signal
H/L
9
OUT
DISPLAY-
ENA
7seg. Driver IC
Enable Control
Output Signal
L
10
-
N.U.
Not Used
-
11
-
N.U.
Not Used
-
12
IN/
OUT
IIC-BUS
SDA
IIC BUS Control
Data
H/L
13 OUT
IIC-BUS
SCL
IIC BUS Control
Clock
H/L
14 OUT YCA-SCL
YCA IC Control
Clock
H/L
15 OUT YCA-SDA
YCA IC Control
Data
H/L
16 OUT YCA-CS
YCA IC Control
Chip Select
H/L
17
-
N.U.
Not Used
-
18 OUT RF-SW
Video Head
Switching Pulse
H/L
19 OUT D-V SYNC
Dummy V-sync
Output
H/Hi-z
20
IN
RESET
System Reset
Signal (Reset=”L”)
L
21 OUT
LM-FWD/
REV
Loading Motor
FWD/ REV Output
H/Z/L
22 OUT P-ON-L
Power On Signal to
Low
L
23
-
N.U.
Not Used
-
24 OUT D-REC-H
Delayed Record
Signal
H
25 OUT HiFi-H-SW
HiFi Audio Head
Switching Pulse
H/L
26 OUT
DVD-
POWER
DVD Power Control
Signal
H
27 OUT C-F/R
Capstan Motor
FWD/REV Control
Signal (FWD=”L”/
REV=”H”)
H/L
28 OUT C-CONT
Capstan Motor
Control Signal
PWM
29 OUT D-CONT
Drum Motor Control
Signal
PWM
30
-
N.U.
Not Used
-
31
-
VDD
VDD
-
32 OUT OSCO
Main Clock Output
14.31818MHz
-
33
IN
OSCI
Main Clock Input
14.31818MHz
-
34
-
VSS
VSS
35
IN
XI
Sub Clock Input
32.768 MHz
-
36 OUT XO
Sub Clock Output
32.768 MHz
-
37
IN
SXI
Operation Mode
Selecting Input
Signal
-
38 OUT
VIDEO-
OUT
Composite Video
Signal Output
-
39
-
Vss2
Vss2
-
40
IN
VIDEO-IN
Composite Video
Signal Input
-
41
IN
C-SYNC
Composite
Synchronized Pulse
PULSE
42
-
VDD2
VDD2
-
43
IN
AFCC
Low Path Filter
Input Signal For
AFC
-
44 OUT AFCLPF
Low Path Filter
Output Signal For
AFC
-
Pin
No.
IN/
OUT
Signal
Name
Function
Active
Level
Содержание DV-PF35U
Страница 79: ...S 5 S 4 Main 1 8 Schematic Diagram ...
Страница 81: ...S 7 S 6 Main 3 8 Schematic Diagram ...
Страница 82: ...S 8 S 7 Main 4 8 Schematic Diagram ...
Страница 83: ...S 9 S 8 Main 5 8 Schematic Diagram ...
Страница 84: ...S 10 S 9 Main 6 8 DVD Open Close Schematic Diagram ...
Страница 86: ...S 12 S 11 Main 8 8 Schematic Diagram ...
Страница 87: ...S 13 S 12 DVD Main 1 3 Schematic Diagram 1 NOTE Either IC461 or IC462 is used for DVD MAIN CBA ...
Страница 88: ...S 14 S 13 DVD Main 2 3 Schematic Diagram ...
Страница 90: ...S 16 S 15 DVD Main 3 3 Schematic Diagram ...
Страница 102: ...DV PF35U No 0508E TK Digital Media Division Yokohama ...