Computer Tech Link CTL 5fln manual Troubleshooting, Description for D-SUB Connector

TROUBLESHOOTING

Symptom	Check
No picture.	Check if POWER SWITCH and COMPUTER
	POWER SWITCH are in the on position.
	Check if the signal cable is correctly connected to
	the video card.
	Check if the pins of D-sub connector are not bent.
	Check if the computer is in the power saving mode.
	Check if POWER SWITCH is in the on position.
POWER LED is not
lit.	Check if the power cord is correctly connected.
Image is unstable.	Check if the signal cable is suitable to the video card.
Image is not	Adjust H & V SIZE or H & V POSITION to get the
centered, too small	proper image.
or too large.
Picture bounces or a	Keep the devices that may cause electrical
wave pattern is	interference away from the monitor.
present in the
picture.	See the FCC information at the front cover of the
	manual.
Color looks blotchy.	Operate DEGAUSS once.
Picture is blurred.	Adjust CONTRAST and BRIGHTNESS.
	Operate DEGAUSS once.
Edges of available	Adjust PINCUSHION/TRAPEZOID.
area on the screen
are not straight.

DESCRIPTION FOR D-SUB CONNECTOR

Pin	Signal
1	Red
2	Green	1
3	Blue
4	GND	6	10
5	GND(Self-Test)
6	GND-Red		15
7	GND-Green
8	GND-Blue
9	No Pin
10	GND-H.Sync
11	GND-V.Sync
12	Bi-directional Data(SDA)
13	Horizontal Sync
14	Vertical Sync(VCLK)
15	Data Clock(SCL)	GND=Ground

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