Ic Pin Function Descriptions - Philips DVP3050V/75 Service Manual

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IC501( SERVO / SYSTEM CONTROL IC )
Pin IN/ Signal
No. OUT Name
1 -
NU
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
REMOCON
14 IN
-IN
15 OUT C-ROTA
16 OUT H-A-SW
17 IN
H-A-COMP
18 OUT RF-SW
19 OUT Hi-Fi-H-SW HiFi Audio Head
20 - NU
21 OUT TUNER-
SW1
22 OUT TUNER-
SW2

IC PIN FUNCTION DESCRIPTIONS

"H" ≥ 4.5V, "L" ≤ 1.0V
Active
Function
Level
Not Used
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
Dummy V-sync
H/Hi-z
Output
Remote Control
Sensor
Color Phase Rotary
Changeover SIgnal
Video Head Amp
Switching Pulse
Head Amp
Comparator Signal
Video Head
Switching Pulse
Switching Pulse
Not Used
Tuner System
Control Signal
Output
Tuner System
Control Signal
Output
Pin IN/
No. OUT
POWER-
23 OUT
LED
POWER-
24 OUT
LED
25 -
NU
-
26 - NU
27 - NU
A/D
28 -
NU
29 - NU
30 - NU
A/D
REC-SAF-
A/D
31 IN
SW
A/D
32 IN P-DOWN -H
A/D
33 OUT D-REC-H
A/D
34 IN RESET
A/D
35 IN Xcin
36 OUT Xcout
A/D
37 - Vcc
38 IN
Xin
A/D
39 OUT Xout
-
40 - GND
-
INPUT-
41 OUT
SELECT
42 OUT DVD-
POWER
L
43 IN CLKSEL
H/L
44 IN
OSCin
H/L
45 OUT OSCout
H/L
46 - NUB
47 IN
P61/LP
H/L
FSC-IN
48 IN
[4.43MHz]
H/L
49 - OSDVss
-
50 IN
OSD-V-IN
H
51 -
NU
52 OUT OSD-V-
OUT
H
53 - OSDVcc
1-17-1
Signal
Function
Name
"POWER" LED
Signal Output
"POWER" LED
Signal Output
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Recording Safety
SW Detect (With
Record tab="L"/
With out Record
tab="H")
Power Voltage
Down Detector
Signal
Delayed Record
Signal
System Reset
Signal (Reset="L")
Sub Clock
Sub Clock
Vcc
Main Clock Input
Main Clock Input
Vss(GND)
Input Selector
Control Signal
DVD Power Control
Signal
Clock Select (GND)
Clock Input for
letter size
Clock Output for
letter size
Not Used
P61/LP
4.43MHz Clock
Input
OSDVss
OSD Video Signal
Input
Not Used
OSD Video Signal
Output
OSDVcc
Active
Level
H/L
H/L
-
-
-
-
-
-
H/L
H
H
L
-
-
-
-
-
-
H/L
H
L
-
-
-
-
-
-
-
-
-
-
H9923PIN