Ic Pin Function Descriptions - FUNAI DPVR-6600 Service Manual

[ VCR Section ]
IC501( SERVO / SYSTEM CONTROL IC )
Pin IN/ Signal
No. OUT Name
1 IN SC2-IN
2 IN
PG-DELAY
3 IN
POW-SAF
4 IN END-S
5 IN AFC
6 IN
V-ENV
7 IN
KEY-1
8 IN
KEY-2
9 IN LD-SW
10 IN
ST-S
11 - NU
12 - NU
13 OUT D-V- SYNC Dummy V-sync
REMOCON
14 IN
-IN
15 OUT C-ROTA
16 OUT H-A-SW
H-A-COMP Head Amp
17 IN
18 OUT RF-SW
19 OUT Hi-Fi-H-SW HiFi Audio Head
20 - NU
21 OUT DVD-
POWER
22 - NU
23 OUT POWER-
LED
24 - NU

IC PIN FUNCTION DESCRIPTIONS

"H" ≥ 4.5V, "L" ≤ 1.0V
Active
Function
Input Signal from
Pin 8 of SCART2
Video Head
Switching Pulse
Signal Adjusted
Voltage
P-ON Power
Detection Input
Signal
Tape End Position
Detect Signal
Automatic
Frequency Control
Signal
Video Envelope
Comparator Signal
Key Scan Input
Signal 1
Key Scan Input
Signal 2
Deck Mode
Position Detector
Signal
Tape Start Position
Detector Signal
Not Used
Not Used
Output
Remote Control
Sensor
Color Phase Rotary
Changeover SIgnal
Video Head Amp
Switching Pulse
Comparator Signal
Video Head
Switching Pulse
Switching Pulse
Not Used
DVD Power Control
Signal
Not Used
"POWER" LED
Signal Output
Not Used
Pin IN/
No. OUT
25 -
26 -
27 -
Level
28 OUT LINE-
A/D
29 OUT DVD-LED
A/D
30 OUT VCR-LED
A/D 31 IN
A/D
32 IN
A/D
33 OUT D-REC-H
A/D
34 IN
A/D
35 IN
36 OUT Xcout
A/D
37 -
38 IN
A/D
39 OUT Xout
40 -
A/D
41 OUT INPUT-
-
-
42 IN
H/Hi-z
43 IN
L
44 IN
H/L
45 OUT OSCout
H/L
46 -
47 IN
H/L
48 IN
H/L
49 -
H/L
50 IN
-
51 -
H
52 OUT OSD-V-
-
53 -
H/L
54 -
-
1-15-1
Signal
Function
Name
NU Not Used
NU Not Used
NU Not Used
Audio Mute Control
MUTE Signal
"DVD" LED Signal
Output
"VCR" LED Signal
Output
Recording Safety
SW Detect (With
REC-SAF-
Record tab="L"/
SW
With out Record
tab="H")
Power Voltage
P-DOWN -H Down Detector
Signal
Delayed Record
Signal
System Reset
RESET
Signal (Reset="L")
Xcin Sub Clock
Sub Clock
Vcc Vcc
Xin Main Clock Input
Main Clock Input
GND Vss(GND)
Input Selector
SELECT Control Signal
SCART 8Pin DVD
DVD-8PIN-
Input Control
IN
Signal
CLKSEL Clock Select (GND)
Clock Input for
OSCin
letter size
Clock Output for
letter size
NUB Not Used
LP LP
FSC-IN 4.43MHz Clock
[4.43MHz] Input
OSDVss OSDVss
OSD Video Signal
OSD-V-IN
Input
NU Not Used
OSD Video Signal
OUT Output
OSDVcc OSDVcc
LPF Connected
HLF
Terminal (Slicer)
Active
Level
-
-
-
H
H/L
H/L
H/L
H
H
L
-
-
-
-
-
-
H/L
H/L
L
-
-
-
-
-
-
-
-
-
-
-
H9900PIN