1-18-1
E9TK2PIN
IC PIN FUNCTION DESCRIPTIONS
< VCR Section >
IC501 ( MICROCONTROLLER 8BIT SERVO
/ SYSTEM CONTROL )
Pin
No.
IN/
OUT
Signal
Name
Function
1
IN
SC2-IN
Input Signal from Pin 8 of
SCART2
2
IN
PG-DELAY
Video Head Switching Pulse
Signal Adjusted Voltage
3
IN
DVD-POW-
SAFETY1
DVD P-ON Power Detection
Input Signal 1
4
IN
END-S
Tape End Position Detect
Signal
5
IN
AFC
Tuner Voltage Input Signal
6
IN
V-ENV
Video Envelope Comparator
Signal
7
IN
KEY-1
Key Data Input 1
8
IN
KEY-2
Key Data Input 2
9
IN
LD-SW
Deck Mode Position
Detector Signal
10
IN
DVD-POW-
SAFETY2
DVD P-ON Power Detection
Input Signal 2
11
-
NU
Not Used
12
-
NU
Not Used
13 OUT D-V-SYNC Dummy V-sync Output
14
IN
REMOTE
Remote Signal Input
15 OUT C-ROTA
Color Phase Rotary
Changeover Signal
16 OUT H-A-SW
Video Head Amp Switching
Pulse
17
IN
H-A-COMP
Head Amp Comparator
Signal
18 OUT RF-SW
Video Head Switching Pulse
19 OUT
Hi-Fi-H-
SW
HiFi Audio Head Switching
Pulse
20
-
NU
Not Used
21
-
NU
Not Used
22
-
NU
Not Used
23
-
NU
Not Used
24 OUT
DVD-SC2-
AUDIO-
MUTE
SCART Jack Audio Mute
Control Signal 2 (Mute=“L”)
25 OUT 1V2CONT
1.2V Regulator Control
Signal
26
IN
DVD-
AUDIO-
MUTE
DVD Audio Mute Control
Signal (Mute=“L”)
27 OUT
VCR-
AUDIO-
MUTE
VCR Audio Mute Control
Signal (Mute=“H”)
28
IN
A-MODE
Hi-Fi Tape Defection Signal
29 OUT
AUDIO-
MUTE
Audio Mute Control Signal
(Mute=“L”)
30 OUT
SC-
AUDIO-
MUTE
SCART Jack Audio Mute
Control Signal (Mute=“L”)
31
IN
REC-SAF-
SW
Recording Safety SW Detect
(With Record tab=”L”/ With
out Record tab=”H”)
32
IN
P-DOWN-
H
Power Voltage Down
Detector Signal
33 OUT D-REC-H
Delayed Record Signal
34
IN
RESET
Micro Controller Reset
Signal
35
IN
Xcin
Sub Clock Input
36 OUT Xcout
Sub Clock Output
37
-
Vcc
5V with AC Plug
Connected
38
IN
Xin
Main Clock Input
39 OUT Xout
Main Clock Output
40
-
Vss
Ground
41 OUT 8POUT-1
Control SCART1 8Pin Level
by using 8POUT-1
42 OUT 8POUT-2
Control SCART2 8Pin Level
by using 8POUT-2
43
IN
CLKSEL
Clock Select
44
IN
OSCin
Clock Input for letter size
45 OUT OSCout
Clock Output for letter size
46
-
NU
Ground
47
IN
LP
LP
48
IN
FSC-IN
[4.43MHz]
4.43MHz Clock Input
49
-
OSDVss
Ground
50
IN
OSD-V-IN
OSD Video Signal Input
51
-
NU
Not Used
52 OUT
OSD-V-
OUT
OSD Video Signal Output
53
-
OSDVcc
+5V Power Supply (OSD)
Pin
No.
IN/
OUT
Signal
Name
Function
