Table of Contents
Advertisement
IC PIN FUNCTION DESCRIPTIONS
IC501( SERVO / SYSTEM CONTROL IC )
Pins that have * in the Pin No. section on table below
are not used.
Pin
IN/
Signal
No.
OUT
Name
P-DOWN -
Power Voltage Down
1
IN
L
Detector Signal
Recording Safety
SW Detect (With
REC-SAF-
Record tab = "L"/
2
IN
SW
With out Record tab
= "H")
Take Up Reel
3
IN
T-REEL
Rotation Signal
4
-
N.U.
Not Used
REMOTE-
Remote Control
5
IN
VIDEO
Sensor
7seg. Driver IC Clock
DISPLAY-
*6 OUT
Control Output
CLK
Signal
Audio Mute Control
7
OUT A-MUTE-H
Signal (Mute = "H")
7seg. Driver IC Data
DISPLAY-
*8 OUT
Control Output
DATA
Signal
7seg. Driver IC
DISPLAY-
*9 OUT
Enable Control
ENA
Output Signal
N.U.
Not Used
10
-
Special Playback=
11 OUT TRICK-H
"H"
IN/
IIC-BUS-
12
IIC BUS Control Data
OUT
SDA
IIC-BUS-
IIC BUS Control
13 OUT
SCL
Clock
Top Speed Select
SP/LP/
Signal (SP="L"/
14 OUT
SLP
LP="Z"/SLP="H")
15
-
N.U.
Not Used
Input Selector
INSEL/
Control Signal
16 OUT
ST-SL
(EE/Rec)/Still/Slow
(Playback)
N.U.
Not Used
17
-
Video Head
18 OUT RF-SW
Switching Pulse
Dummy
19 OUT D-V SYNC
V-sync Output
System Reset
20
IN
RESET
Signal (Reset="L")
"H" ≥ 4.5V, "L" ≤ 1.0V
Active
Function
Level
L
H/L
PULSE
-
L
H/L
H
H/L
L
-
H/Z/L
H/L
H/L
H/Z/L
-
H/Hi-z
/L
-
H/L
H/Hi-z
L
1-15-1
Pin
IN/
Signal
No.
OUT
Name
LM-FWD/
Loading Motor
21 OUT
REV
FWD/ REV Output
Power On Signal to
22 OUT P-ON-L
Low
Playback Instruction
23 OUT D-PB-L
Signal
Delayed Record
24 OUT D-REC-H
Signal
HiFi Audio Head
25 OUT HiFi-H-SW
Switching Pulse
DVD-
DVD Power
26 OUT
POWER
Control Signal
Capstan Motor FWD/
27 OUT C-F/R
REV Control Signal
(FWD="L"/REV="H")
Capstan Motor
28 OUT C-CONT
Control Signal
Drum Motor Control
29 OUT D-CONT
Signal
N.U.
Not Used
30
-
VDD
VDD
31
-
Main Clock Output
32 OUT OSCO
14.31818MHz
Main Clock Input
33
IN
OSCI
14.31818MHz
-
VSS
34
VSS
Sub Clock Input
35
IN
XI
32.768 MHz
Sub Clock Output
36 OUT XO
32.768 MHz
Operation Mode
SXI
Selecting Input
37
IN
Signal
VIDEO-
Composite Video
38 OUT
OUT
Signal Output
Vss2
Vss2
39
-
Composite Video
VIDEO-IN
40
IN
Signal Input
Composite
41
IN
C-SYNC
Synchronized Pulse
42
-
VDD2
VDD2
Low Path Filter Input
43
IN
AFCC
Signal For AFC
Low Path Filter
44 OUT AFCLPF
Output Signal For
AFC
45
-
N.U.
Not Used
Active
Function
Level
H/Z/L
L
L
H
H/L
H
H/L
PWM
PWM
-
-
-
-
-
-
-
-
-
PULSE
-
-
-
-
H9411PIN
Advertisement
Chapters
Table of Contents
