FUNAI DRV-D2831 - IC Pin Function Descriptions

1-15-1 E9709PIN
IC PIN FUNCTION DESCRIPTIONS
< VCR Section >
IC501( SERVO / SYSTEM CONTROL IC )
Pin
No.
IN/
OUT
Signal
Name
Function
1IN
SC2-IN
Input Signal from Pin 8 of
SCART2
2IN
PG-DELAY
Video Head Switching
Pulse Signal Adjusted
Voltage
3IN
DVD-POW-
SAFETY
Abnormal Voltage Detection
4IN
END-S
Tape End Position Detect
Signal
5IN
AFC
Automatic Frequency
Control Signal
6IN
V-ENV
Video Envelope
Comparator Signal
7IN
KEY-1 Key Scan Input Signal 1
8IN
KEY-2 Key Scan Input Signal 2
9IN
LD-SW
Deck Mode Position
Detector Signal
10 IN
ST-S
Tape Start Position Detector
Signal
11 OUT
FAN-
CONT1
Fan Motor Control Signal
12 -
NU Not Used
13 OUT
D-V- SYNC Dummy V-sync Output
14 IN
REMOCON
-IN
Remote Control Sensor
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 OUT
VIDEO-
SW1
Video Input Select Signal
23 OUT
VIDEO-
SW2
Video Input Select Signal
24 OUT
VIDEO-
SW3
Video Input Select Signal
25 OUT
REG-
CONT2
Power Regulator Control
Signal
26 -
NU Not Used
27 OUT
RGB-
THROUGH
SCART 2 RGB Through
Control Signal
28 OUT
AUDIO-
MUTE-2
Audio Mute Control Signal
29 OUT
DVD-
AUDIO-
MUTE
DVD Audio Mute Control
Signal
30 -
NU Not Used
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
System Reset Signal
(Reset=”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 -
GND Vss(GND)
41 -
NU Not Used
42 OUT
REGULATOR
-CONTROL
Power Regulator Control
Signal
43 IN
CLKSEL Clock Select (GND)
44 IN
OSCin Clock Input for letter size
45 OUT
OSCout Clock Output for letter size
46 -
NUB Not Used
47 IN
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
54 -
HLF
LPF Connected Terminal
(Slicer)
55 IN
COLOR-IN
SECAM or MESECAM
Chroma Video Input Signal
at Super Impose
56 -
NU Not Used
57 -
NU Not Used
58 IN
C-SYNC
Composite Synchronized
Pulse
59 OUT
8POUT-1
Control SCART 1 8Pin
Level by using 8POUT-1
and 8POUT-2
Pin
No.
IN/
OUT
Signal
Name
Function