Ic Pin Function Descriptions - Sylvania DV225SL8 Service Manual

IC PIN FUNCTION DESCRIPTIONS

< VCR Section >
Comparison Chart of Models and Marks
Model
DV225SL8
DV220SL8
IC501 (SERVO/SYSTEM CONTROL/OSD)
"H" ≥ 4.5 V, "L" ≤ 1.0 V
Pin IN/ Signal
Mark
No. OUT Name
P-DOWN
1 IN
-H
REC-
2 IN
SAF-SW
3 IN T-REEL
REMOTE-
4 IN
DVD
REMOTE-
5 IN
VIDEO
- NU
6
AUDIO-
7 OUT
MUTE-H
8 - NU
- NU
9
POWER-
10 OUT
LED
POWER-
11 OUT
LED
IN/ IIC-BUS-
A
OUT SDA
12
B - NU
IIC-BUS-
A OUT
SCL
13
B - NU
14 OUT YCA-SCL
15 OUT YCA-SDA
16 OUT YCA-CS
Mark
A
B
Active
Function
Level
Power Voltage
Down Detector H
Signal
Recording
Safety SW
Detect (With
Record tab = H/L
"L" / With out
Record tab =
"H")
Take Up Reel
PULSE
Rotation Signal
Remote
L
Control Sensor
Remote
L
Control Sensor
Not Used -
Audio Mute
Control Signal H
(Mute = "H")
Not Used -
Not Used -
POWER LED
H/L
Signal Output
POWER LED
H/L
Signal Output
IIC BUS
H/L
Control Data
Not Used -
IIC BUS
H/L
Control Clock
Not Used -
YCA IC Control
H/L
Clock
YCA IC Control
H/L
Data
YCA IC Control
H
Chip Select
1-16-1
Pin IN/ Signal
Mark
No. OUT Name
17 - NU
18 OUT RF-SW
D-V
19 OUT
SYNC
20 - NU
LM-FWD/
21 OUT
REV
22 OUT P-ON-L
23 - NU
24 OUT D-REC-H
HiFi-H-
A OUT
SW
25
B - NU
DVD-
26 OUT
POWER
27 OUT C-F/R
28 OUT C-CONT
29 OUT D-CONT
30 - NU
31 - VDD
32 OUT OSCO
33 IN OSCI
34 - VSS
35 IN XI
36 OUT XO
37 IN SXI
Active
Function
Level
Not Used -
Video Head
Switching H/L
Pulse
Dummy V-sync
H/Hi-z
Output
Not Used -
Loading Motor
FWD/ REV H/Z/L
Output
Power On
L
Signal to Low
Not Used -
Delayed
H
Record Signal
HiFi Audio
Head Switching H/L
Pulse
Not Used -
DVD Power
H
Control Signal
Capstan Motor
FWD/REV
Control Signal H/L
(FWD = "L" /
REV = "H")
Capstan Motor
PWM
Control Signal
Drum Motor
PWM
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
E8E00PIN