Philips MX5100VR/00, Service Manual

Page: 112 / 151

1-16-1 E9015PIN
IC PIN FUNCTION DESCRIPTIONS
Comparison Chart of Models and Marks
[ VCR Section ]
IC501( SERVO / SYSTEM CONTROL IC )
“H”
≥
4.5V, “L”
≤
1.0V
Model Mark
MX5100VR/00 A
MX5100VR/05 B
MX5100VR/02 C
Pin
No.
Mark
IN/
OUT
Signal
Name
Function
Active
Level
1 IN SC2-IN
Input Signal from
Pin 8 of SCART2
A/D
2 IN PG-
DELAY
Video Head
Switching Pulse
Signal Adjusted
Voltage
A/D
3 IN POW-SAF
P-ON Power
Detection Input
Signal
A/D
4 IN END-S
Tape End Position
Detect Signal
A/D
5 IN AFC
Automatic
Frequency Control
Signal
A/D
6 IN V-ENV
Video Envelope
Comparator Signal
A/D
7 IN KEY-1
Key Scan Input
Signal 1
A/D
8 IN KEY-2
Key Scan Input
Signal 2
A/D
9 IN LD-SW
Deck Mode Position
Detector Signal
A/D
10 IN ST-S
Tape Start Position
Detector Signal
A/D
11 OUT LOAD-
CONT
Load Power Supply
Switching Signal
L
12 OUT DVD-
PLAY
DVD Playback
Control Signal
L
13 OUT D-V-
SYNC
Dummy V-sync
Output
H/
Hi-z
14 IN REMOTE-
VIDEO
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 IN
DAVN-L
VPS/PDC Data
Receive = “L”
L
21 OUT DVD-
POWER
DVD Power
Control Signal
H
22 OUT TUNER-
LED
“TUNER” LED
Signal Output
H/L
23 OUT POWER-
LED
“POWER” LED
Signal Output
H/L
24 OUT FIL-ON/
OFF
Filament ON/OFF
Control Signal
L
25 OUT TIMER-
LED
“TIMER” LED
Signal Output
H/L
26 OUT REC-LED
“REC” LED Signal
Output
H/L
27 -
NU Not Used
-
28 OUT OUTPUT-
SEL2
Output Select,
“L”=VCR/Tuner,
“H”=DVD
H/L
29 OUT DVD-LED
“DVD” LED Signal
Output
H/L
30 OUT VCR-LED
“VCR” LED Signal
Output
H/L
31 IN
REC-SAF-
SW
Recording Safety
SW Detect (With
Record tab=”L”/
With out Record
tab=”H”)
H/L
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
-
Pin
No.
Mark
IN/
OUT
Signal
Name
Function
Active
Level