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12. Connectors
Resistors and zener diodes are inserted in the lines of connectors connecting other PB ASS'Ys as measures against
sparks and noise. The connector signal names and functions are indicated in Table 12-1.
Connector
Signal name
No.
Signal function
1/0
name
(- is negative logic)
1
SYNCY
Y sync for sync detection
I
2
RGB /-OTHERS
RGB signal/other source switching
0
3
SYNC-INT/ EXT
Internal/external sync select
0
4
-KILLER
Killer detect
I
5
358/-443DET
3.58/4.43 MHz detector signal
I
6
50 /-60DET
50/60 Hz detector signal
I
V
7
358
3.58 MHz MPU detector signal
0
8
VIDEO/-YC
Video/VG source select
0
9
COMB -ON/OFF
Comb filter switch
0
10
NOTCH -ON/OFF
Notch switch
0
11
INPUT A/-8
NB input select
0
12
RGB /-COMPONENT
RGB/component
source select
0
13
AUDIO(
Audio volume channel C select
0
1
-443
4.43 MHz MPU detector signal
0
2
DEGAUSS
Demagnetizer switch
0
3
-PULSE CROSS
Pulse cross switch
0
4
H SYNC
Horizontal sync
I
5
50/-60
50/60 Hz MPU select
0
6
-VIDEO MUTE
Video mute switch
0
T
7
SDA
12C bus data line
1/0
8
SCL
1
2
c
bus clock line
0
9
OSDB
On-screen blue line
0
10
OSDG
On-screen green line
0
11
OSDR
On-screen red line
0
12
VOB
On-screen enable
0
13
COMPONENT /-VIDEO·YC
Componenl/video
YC source select
0
1
+
sv
+
5 V power supply
-
2
EXT CONT EN
External control enable
I
SB
3
EXT INPUTSEL
External control input select
I
4
EXT CONT1
Control
1
I
5
EXT CONT2
Control 2.
I
6
GND
Ground
-
1
GND
Ground
-
z
2
EXT SCL
External
1 2
C bus clock line
I
3
EXT SDA
External l
2
C bus data line
1/0
Table 12-1
-103-
U
I -1v1
I
v~V
I
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