Ic Pin Function Descriptions - Philips MX5100VR Service Manual

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Comparison Chart of Models and Marks
Model
MX5100VR/00
MX5100VR/05
MX5100VR/02
[ VCR Section ]
IC501( SERVO / SYSTEM CONTROL IC )
Pin IN/ Signal
Mark
No. OUT Name
1 IN SC2-IN
IN PG-
2
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
OUT LOAD-
11
CONT
OUT DVD-
12
PLAY
OUT D-V-
13
SYNC
IN REMOTE-
14
VIDEO
15 OUT C-ROTA

IC PIN FUNCTION DESCRIPTIONS

Mark
A
B
C
"H" ≥ 4.5V, "L" ≤ 1.0V
Active
Function
Level
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
Load Power Supply
Switching Signal
DVD Playback
Control Signal
Dummy V-sync
Output Hi-z
Remote Control
Sensor
Color Phase Rotary
Changeover SIgnal
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10/31/2012
Pin IN/
Mark
No. OUT
16 OUT H-A-SW
IN H-A-
17
18 OUT RF-SW
OUT Hi-Fi-H-
19
20 IN DAVN-L
OUT DVD-
21
A/D
OUT TUNER-
22
OUT POWER-
A/D
23
OUT FIL-ON/
24
A/D
OUT TIMER-
25
A/D
OUT REC-LED "REC" LED Signal
26
A/D
27 -
OUT OUTPUT-
28
A/D
OUT DVD-LED "DVD" LED Signal
A/D 29
OUT VCR-LED "VCR" LED Signal
A/D
30
A/D
IN REC-SAF-
31
A/D
IN A-MODE Hi-Fi Tape
L
32
OUT D-REC-H Delayed Record
L
33
H/
34 IN RESET
35 IN XCin
L
36 OUT XCout
H/L
37 -
1-16-1
Signal
Function
Name
Video Head Amp
Switching Pulse
Head Amp
COMP Comparator Signal
Video Head
Switching Pulse
Hi-Fi Audio Head
SW Switching Pulse
VPS/PDC Data
Receive = "L"
DVD Power
POWER Control Signal
"TUNER" LED
LED Signal Output
"POWER" LED
LED Signal Output
Filament ON/OFF
OFF Control Signal
"TIMER" LED
LED Signal Output
Output
NU Not Used
Output Select,
"L"=VCR/Tuner,
SEL2
"H"=DVD
Output
Output
Recording Safety
SW Detect (With
Record tab="L"/
SW
With out Record
tab="H")
Detection Signal
Signal
System Reset
Signal (Reset="L")
Sub Clock
Sub Clock
Vcc Vcc
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Active
Level
H/L
H/L
H/L
H/L
L
H
H/L
H/L
L
H/L
H/L
-
H/L
H/L
H/L
H/L
L
H
L
-
-
-
E9015PIN