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IC PIN FUNCTION DESCRIPTIONS
< VCR Section >
IC501 ( MICROCONTROLLER 8BIT SERVO
/ SYSTEM CONTROL )
Pin
IN/
Signal
No.
OUT
Name
Input Signal from Pin 8 of
1
IN SC2-IN
SCART2
IN PG-DELAY Video Head Switching Pulse
2
Signal Adjusted Voltage
IN DVD-POW-
DVD P-ON Power Detection
3
SAFETY1
Input Signal 1
Tape End Position Detect
4
IN END-S
Signal
5
IN AFC
Tuner Voltage Input Signal
Video Envelope Comparator
6
IN V-ENV
Signal
7
IN KEY-1
Key Data Input 1
8
IN KEY-2
Key Data Input 2
Deck Mode Position Detector
9
IN LD-SW
Signal
IN DVD-POW-
DVD P-ON Power Detection
10
SAFETY2
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
Color Phase Rotary
15 OUT C-ROTA
Changeover Signal
Video Head Amp Switching
16 OUT H-A-SW
Pulse
IN H-A-COMP Head Amp Comparator
17
Signal
18 OUT RF-SW
Video Head Switching Pulse
19 OUT Hi-Fi-H-SW HiFi Audio Head Switching
Pulse
20 OUT DUBBING-
DUBBING-LED Control
LED
Signal
21 OUT DVD-REC-
DVD-REC-LED Control
LED
Signal
22 OUT HDD-REC-
HDD-REC-LED Control
LED
Signal
23 OUT VCR-REC-
VCR-REC-LED Control
LED
Signal
DVD-SC2-
SCART Jack Audio Mute
24 OUT
AUDIO-
Control Signal 2 (Mute="L")
MUTE
25 OUT 1V2CONT 1.2V Regulator Control Signal
Function
1-20-1
Pin
IN/
Signal
No.
OUT
Name
DVD/HDD-
DVD/HDD Audio Mute
26
IN
AUDIO-
Control Signal (Mute="L")
MUTE
VCR-
VCR Audio Mute Control
27 OUT
AUDIO-
Signal (Mute="H")
MUTE
28
IN A-MODE
Hi-Fi Tape Defection Signal
29 OUT AUDIO-
Audio Mute Control Signal
MUTE
(Mute="L")
SC-
SCART Jack Audio Mute
30 OUT
AUDIO-
Control Signal (Mute="L")
MUTE
Recording Safety SW Detect
IN REC-SAF-
31
(With Record tab= "L"/ With
SW
out Record tab="H")
IN P-DOWN-
Power Voltage Down Detector
32
H
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
Always +5V with AC Plug
37
-
Vcc
Connected
38
IN Xin
Main Clock Input
39 OUT Xout
Main Clock Output
40
-
Vss
Ground
Control SCART1 8Pin Level
41
-
8POUT-1
by using 8POUT-1
Control SCART2 8Pin Level
42
-
8POUT-2
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
IN FSC-IN
48
4.43MHz Clock Input
[4.43MHz]
49
-
OSDVss
Ground
50
IN OSD-V-IN
OSD Video Signal Input
51
-
NU
Not Used
52 OUT OSD-V-
OSD Video Signal Output
OUT
53
-
OSDVcc
+5V Power Supply (OSD)
LPF Connected Terminal
54
-
HLF
(Slicer)
Function
E3TK0PIN
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