Philips VR109/55 - IC Pin Function

IC PIN FUNCTION
IC501 ( SERVO / SYSTEM CONTROL IC )
"H" ≥ 4.5V, "L" ≤ 1.0V
Pin
No.
Mark
IN/
OUT
Signal
Name
Function
Active
Level
1 OUT
A-MUTE-
H
Audio Mute
Control
Signal
H
2 OUT
REC-
CTL(+)
Record
Control
Signal (+)
H/L
3 OUT
REC-
CTL(-)
Record
Control
Signal (-)
H/L
4 - N.U. Not Used -
5 OUT C-DRIVE
Capstan
Motor Drive
Signal
H/Z
6 - N.U. Not Used -
7 - N.U. Not Used -
8
IN/
OUT
BUS
SDA-2
I2C BUS
Control Data
H/L
9 OUT
BUS
SCL-2
I2C BUS
Control Data
H/L
10 OUT C-F/R
Capstan
Motor
FWD/REV
Control
Signal
(FWD="L" /
REV="H")
H/L
11 - N.U. Not Used -
12 OUT ROTA
Color Phase
Rotary
Changeover
Signal
H/L
13 OUT RF-SW
Video Head
Switching
Pulse
H/L
14 - N.U. Not Used -
15 - N.U. Not Used -
16 - N.U. Not Used -
17 OUT
D-V
SYNC
Dummy
Vertical
Synchronized
Pulse
H/Z
18 - N.U. Not Used -
19 OUT
D-REC-
H
Delayed
Record
Signal
(Recording=
"H")
H
20 - N.U. Not Used -
Pin
No.
Mark
IN/
OUT
Signal
Name
Function
Active
Level
21 IN REC-SW
Record
Safety
Switching
Signal
H
22 IN AFC
Automatic
Frequency
Control Signal
A/D
23 IN V-ENV
Video
Envelope
Signal
A/D
24 IN END-S
Tape END
Position
Detect Signal
A/D
25 IN ST-S
Tape Start
Position
Detect Signal
A/D
26 IN LD-SW
Deck Mode
Position
Detect Signal
A/D
27 IN KEY-2
Key Scan
Input Signal 2
A/D
28 - 5V
Standard
Voltage Input
Terminal of
A/D
Converter
(+5V)
-
29 - GND
GND Supply
Terminal of
A/D
Converter
(GND)
-
30 - 5V
Power
Supply
Terminal of
A/D
Converter
(Back Up
+5V)
-
31 IN KEY-1
Key Scan
Input Signal 2
A/D
32 IN
PG-
DELAY/
TEST
Video Head
Switching
Pulse Signal
Adjusted
Voltage
A/D
33 - N.U. Not Used -
34 IN T-REEL
Take Up Reel
Rotation
Signal
H/L
1-15-1 H67T0PIN
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06/28/2012
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