Sylvania SSV6003, Руководство по обслуживанию

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1-13-1 HD310PIN
IC PIN FUNCTION DESCRIPTIONS
Comparison Chart of Models and Marks
IC501( SERVO / SYSTEM CONTROL IC )
“H”
≥
4.5V, “L”
≤
1.0V
Pins that have * in the Pin No. section on table below
are not used.
Model Mark
6240VD A
EWV403 B
6260VD C
EWV603 D
Pin
No.
Mark
IN/
OUT
Signal
Name
Function
Active
Level
1 IN
P-DOWN
-L
Power
Voltage Down
Detector
Signal
L
2 IN
REC-
SAF-SW
Recording
Safety SW
Detect (With
Record tab =
”L”/ With out
Record tab =
”H”)
H/L
3 IN T-REEL
Take Up Reel
Rotation
Signal
PULSE
4 - N.U. Not Used -
5 IN
REMO-
CON-IN
Remote
Control Sen-
sor
L
6 - N.U. Not Used -
7 OUT
A-MUTE-
H
Audio Mute
Control
Signal
(Mute = “H”)
H
8 - N.U. Not Used -
9 - N.U. Not Used -
10 - N.U. Not Used -
11 OUT TRICK-H
Special
Playback= “H”
H/Z/L
12
IN/
OUT
IIC-BUS-
SDA IIC BUS
Control Data
H/L
13
OUT IIC-BUS-
SCL
IIC BUS
Control Clock
H/L
14 - N.U. Not Used -
15 - N.U. Not Used -
16 OUT
INSEL/
ST-SL
Input Selector
Control Signal
(EE/Rec)/Still/
Slow
(Playback)
H/Hi-z
/L
17 - N.U. Not Used -
18 OUT RF-SW
Video Head
Switching
Pulse
H/L
19 OUT
D-V
SYNC Dummy
V-sync Output
H/Hi-z
20 IN RESET
System Reset
Signal
(Reset=”L”)
L
21 OUT
LM-FWD/
REV
Loading Motor
FWD/ REV
Output
H/Z/L
22 OUT P-ON-L
Power On
Signal to
Low
L
23 OUT D-PB-L
Playback
Instruction
Signal
L
24 OUT D-REC-H
Delayed
Record Signal
H
25
A,B - N.U. Not Used -
C,D OUT
HiFi-H-
SW
HiFi Audio
Head
Switching
Pulse
H/L
26 OUT
SP/LP/
SLP
Top Speed
Select Signal
(SP=”L”/
LP=”Z”/
SLP=”H”)
H/Z/L
27 OUT C-F/R
Capstan Motor
FWD/REV
Control Signal
(FWD=”L”/
REV=”H”)
H/L
28 OUT C-CONT
Capstan Motor
Control Signal
PWM
29 OUT D-CONT
Drum Motor
Control Signal
PWM
30 - N.U. Not Used -
31 - VDD VDD -
32 OUT OSCO
Main Clock
Output
14.31818MHz
-
Pin
No.
Mark
IN/
OUT
Signal
Name
Function
Active
Level