Ic Pin Function Descriptions - Philips DVP3150V/37 Service Manual

< VCR Section >
IC501 (SERVO/SYSTEM CONTROL/OSD)
"H" ≥ 4.5 V, "L" ≤ 1.0 V
Pin IN/ Signal
No. OUT Name
P-DOWN Power Voltage Down
1 IN
-H Detector Signal
Recording Safety SW
REC- Detect (With Record
2 IN
SAF-SW tab = "L" / With out
Record tab = "H")
Take Up Reel
3 IN T-REEL
Rotation Signal
4 - N.U. Not Used
Remote Control
REMOCON
5 IN
-IN Sensor
DISPLAY- FIP. Driver IC Clock
OUT
6
CLK Control Output Signal
AUDIO- Audio Mute Control
7 OUT
MUTE-H Signal (Mute = "H")
DISPLAY- FIP. Driver IC Data
OUT
8
DATA Control Output Signal
DISPLAY- FIP. Driver IC Enable
OUT
9
ENA Control Output Signal
RF Conv. ON/OFF
10 OUT VCR/TV Signal (VCR = "H"/
TV = "L")
RF Conv. Output
CONV- Channel Switching
11 OUT
SW Signal (3ch ="Hi-z",
4ch ="L")
IN/ IIC-BUS
12 IIC BUS Control Data
OUT SDA
IIC-BUS
13 OUT IIC BUS Control Clock
SCL
14 OUT YCA-SCL YCA IC Control Clock
15 OUT YCA-SDA YCA IC Control Data
YCA IC Control Chip
16 OUT YCA-CS
Select
17 - N.U. Not Used
Video Head Switching
18 OUT RF-SW
Pulse
D-V Dummy V-sync
19 OUT
SYNC Output
System Reset Signal
20 IN RESET
(Reset = "L")
LM-FWD/ Loading Motor FWD/
21 OUT
REV REV Output
Power On Signal to
22 OUT P-ON-L
Low
23 - N.U. Not Used

IC PIN FUNCTION DESCRIPTIONS

Active
Function
PULSE
H/Hi-z
Pin IN/
No. OUT
24 OUT D-REC-H
HiFi-H-
25 OUT
SW
Level
DVD-
26 OUT
POWER
H
27 OUT C-F/R
H/L
28 OUT C-CONT
29 OUT D-CONT
-
30 - N.U.
H/L
31 - VDD
H/L
32 OUT OSCO
H
33 IN OSCI
H/L
34 - VSS
35 IN XI
L
36 OUT XO
H/L
37 IN SXI
VIDEO-
Hi-z/L
38 OUT
OUT
39 - Vss2
H/L
40 IN VIDEO-IN
H/L
41 IN C-SYNC
H/L
42 - VDD2
H/L
43 IN AFCC
H/L
-
44 OUT AFCLPF
H/L
INPUT-
45 OUT
SELECT
OUTPUT-
46 OUT
SELECT
L
47 IN D-PFG
H/Z/L
POWER-
48 IN
SAFETY
L
-
1-17-1
Signal
Function
Name
Delayed Record
Signal
HiFi Audio Head
Switching Pulse
DVD Power Control
Signal
Capstan Motor FWD/
REV Control Signal
(FWD = "L" / REV =
"H")
Capstan Motor
Control Signal
Drum Motor Control
Signal
Not Used
VDD
Main Clock Output
14.31818MHz
Main Clock Input
14.31818MHz
VSS
Sub Clock Input
32.768 MHz
Sub Clock Output
32.768 MHz
Operation Mode
Selecting Input Signal
Composite Video
Signal Output
Vss2
Composite Video
Signal Input
Composite
Synchronized Pulse
VDD2
Low Path Filter Input
Signal For AFC
Low Path Filter
Output Signal For
AFC
Input Selector Control
Signal
Output Select
Drum PG/FG Input
Signal
P-ON Power Supply
Abnormal Detection
Input
BarthService
Active
Level
H
H/L
H
H/L
PWM
PWM
-
-
-
-
-
-
-
-
-
-
PULSE
-
-
-
H/L
H/L
PULSE
L
E8A20PIN