FUNAI 29D-850 - IC Pin Function Descriptions

1-13-1 HK4F8PIN
IC PIN FUNCTION DESCRIPTIONS
IC501( SERVO / SYSTEM CONTROL IC )
“H” ≥ 4.5V, “L” ≤ 1.0V
Pin
No.
IN/
OUT
Signal
Name
Function
Active
Level
1INSC2-IN
Input Signal from Pin
8 of SCART2
A/D
2IN
PG-
DELAY
Video Head Switching
Pulse Signal Adjusted
Voltage
A/D
3INPOW-SAF
P-ON Power
Detection Input Signal
A/D
4 IN END-S
Tape End Position
Detect Signal
A/D
5INAFC
Automatic Frequency
Control Signal
A/D
6INV-ENV
Video Envelope
Comparator Signal
A/D
7INKEY-1
Key Scan Input Signal
1
A/D
8INKEY-2
Key Scan Input Signal
2
A/D
9INLD-SW
Deck Mode Position
Detector Signal
A/D
10 IN ST-S
Tape Start Position
Detector Signal
A/D
11 - NU Not Used -
12 - NU Not Used -
13 OUT
D-V-
SYNC
Dummy V-sync
Output
H/Hi-z
14 IN
REMOCON
-IN
Remote Control
Sensor
L
15 OUT C-ROTA
Color Phase Rotary
Changeover SIgnal
H/L
16 OUT H-A-SW
Video Head Amp
Switching Pulse
H/L
17 IN
H-A-
COMP
Head Amp
Comparator Signal
H/L
18 OUT RF-SW
Video Head Switching
Pulse
H/L
19 OUT
Hi-Fi-H-
SW
Hi-Fi Audio Head
Switching Pulse
H/L
20 - NU Not Used -
21 - NU Not Used -
22 - NU Not Used -
23 - NU Not Used -
24 - NU Not Used -
25 - NU Not Used -
26 - NU Not Used -
27 - NU Not Used -
28 OUT
LINE-
MUTE
Audio Mute Control
Signal
H
29 - NU Not Used -
30 - NU Not Used -
31 IN
REC-
SAF-SW
Recording Safety SW
Detect (With Record
tab="L"/With out
Record tab="H")
H
32 IN A-MODE
Hi-Fi Tape Detection
Signal
L
33 OUT D-REC-H
Delayed Record
Signal
H
34 IN RESET
System Reset Signal
(Reset=”L”)
L
35 IN Xcin Sub Clock -
36 OUT Xcout Sub Clock -
37 - Vcc Vcc -
38 IN Xin Main Clock Input -
39 OUT Xout Main Clock Input -
40 - Vss Vss(GND) -
41 - NU Not Used -
42 - NU Not Used -
43 IN CLKSEL Clock Select (GND) -
44 IN OSCin
Clock Input for letter
size
-
45 OUT OSCout
Clock Output for letter
size
-
46 - NU Not Used -
47 - LP LP -
48 IN
FSC-IN
[4.43MHz]
4.43MHz Clock Input -
49 - OSDVss OSDVss -
50 IN OSD-V-IN
OSD Video Signal
Input
-
51 - NU Not Used -
52 OUT
OSD-V-
OUT
OSD Video Signal
Output
-
53 - OSDVcc OSDVcc -
Pin
No.
IN/
OUT
Signal
Name
Function
Active
Level