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IC501 ( MICROCONTROLLER 8BIT SERVO
/ SYSTEM CONTROL )
Pin
IN/
Signal
No.
OUT
Name
1
IN SC2-IN
IN PG-DELAY Video Head Switching Pulse
2
IN DVD-POW-
3
SAFETY1
4
IN END-S
5
IN AFC
6
IN V-ENV
7
IN KEY-1
8
IN KEY-2
9
IN LD-SW
IN DVD-POW-
10
SAFETY2
11
-
NU
12
-
NU
13 OUT D-V-SYNC Dummy V-sync Output
14
IN REMOTE
15 OUT C-ROTA
16 OUT H-A-SW
IN H-A-COMP Head Amp Comparator
17
18 OUT RF-SW
19 OUT Hi-Fi-H-SW HiFi Audio Head Switching
20 OUT DUBBING-
LED
21 OUT DVD-REC-
LED
22 OUT HDD-REC-
LED
23 OUT VCR-REC-
LED
DVD-SC2-
24 OUT
AUDIO-
MUTE
25 OUT 1V2CONT 1.2V Regulator Control Signal
IC PIN FUNCTION DESCRIPTIONS
Function
Input Signal from Pin 8 of
SCART2
Signal Adjusted Voltage
DVD P-ON Power Detection
Input Signal 1
Tape End Position Detect
Signal
Tuner Voltage Input Signal
Video Envelope Comparator
Signal
Key Data Input 1
Key Data Input 2
Deck Mode Position Detector
Signal
DVD P-ON Power Detection
Input Signal 2
Not Used
Not Used
Remote Signal Input
Color Phase Rotary
Changeover Signal
Video Head Amp Switching
Pulse
Signal
Video Head Switching Pulse
Pulse
DUBBING-LED Control
Signal
DVD-REC-LED Control
Signal
HDD-REC-LED Control
Signal
VCR-REC-LED Control
Signal
SCART Jack Audio Mute
Control Signal 2 (Mute="L")
Pin
IN/
Signal
No.
OUT
Name
DVD/HDD-
26
IN
AUDIO-
MUTE
VCR-
27 OUT
AUDIO-
MUTE
28
IN A-MODE
29 OUT AUDIO-
MUTE
SC-
30 OUT
AUDIO-
MUTE
IN REC-SAF-
31
SW
IN P-DOWN-
32
H
33 OUT D-REC-H
34
IN RESET
35
IN Xcin
36 OUT Xcout
37
-
Vcc
38
IN Xin
39 OUT Xout
40
-
Vss
41 OUT 8POUT-1
42 OUT 8POUT-2
43
IN CLKSEL
44
IN OSCin
45 OUT OSCout
46
-
NU
47
IN LP
IN FSC-IN
48
[4.43MHz]
49
-
OSDVss
50
IN OSD-V-IN
51
-
NU
52 OUT OSD-V-
OUT
53
-
OSDVcc
54
-
HLF
1-18-1
Function
DVD/HDD Audio Mute
Control Signal (Mute="L")
VCR Audio Mute Control
Signal (Mute="L")
Hi-Fi Tape Defection Signal
Audio Mute Control Signal
(Mute="L")
SCART Jack Audio Mute
Control Signal (Mute="L")
Recording Safety SW Detect
(With Record tab= "L"/ With
out Record tab="H")
Power Voltage Down Detector
Signal
Delayed Record Signal
Micro Controller Reset Signal
Sub Clock Input
Sub Clock Output
Always +5V with AC Plug
Connected
Main Clock Input
Main Clock Output
Ground
Control SCART1 8Pin Level
by using 8POUT-1
Control SCART2 8Pin Level
by using 8POUT-2
Clock Select
Clock Input for letter size
Clock Output for letter size
Ground
LP
4.43MHz Clock Input
Ground
OSD Video Signal Input
Not Used
OSD Video Signal Output
+5V Power Supply (OSD)
LPF Connected Terminal
(Slicer)
E3TFGPIN
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