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Installation and Operation, cont'd
Your YCS may have been shipped with a blue captive
N
screw connector. This blue connector can be plugged
into either a blue or an orange power receptacle.
The blue connector does not have the extended tail or the
included tie-wrap.
Do not tin the stripped power supply leads before
C
attaching the captive screw plug to them. Tinned
wires are not as secure in the captive screw
connectors and can be easily pulled out. They may
also break after being bent several times.
Front Panel
1
Figure 2-13 — YCS 100 front panel
The YCS 100 front panel contains the following:
Power LED indicator — This green LED lights when the
1
YCS 100 is receiving power.
Operation
When the transcoder, input sources, and display devices are
powered up, the system is fully operational. During YCS 100
operation, one or both of the following takes place:
•
The YCS 100 digital decoder accepts a composite video
signal and separates it into Y (luma) and C (chroma),
converting the signal to output S-video, while also
passing an unconverted signal to a composite video
monitor attached to the video loop-through BNC
connector.
•
The YCS 100 analog encoder accepts an S-video signal
and converts it to composite video while also passing an
unconverted signal to an S-video monitor connected to
the S-video mini DIN loop-through connector.
If problems are encountered, ensure that all cables are routed
and connected properly.
2-14
YCS 100 • Installation and Operation
YCS 100
VIDEO DECODER/ENCODER
Troubleshooting
Possible problems and their solutions include the following:
Problem: No power at unit
Solution: Verify that the unit is receiving power by checking the
front panel LED. If the LED is not lit, check the DC power
plug termination and polarity.
Problem: No video input
Solution: Verify that the source and output devices are powered
on and connected properly.
Problem: Black and white image fl ashes or scrolls
rapidly
Cause: When a black and white signal is used without a
colorburst signal, the output image may not sync correctly,
causing continual fl ashing and rapid scrolling of the black
and white image.
Solution: Close (enable) the jumper located at CR8 on the
YCS 100 internal board. This corrects the black and white
picture settings for NTSC and PAL standards.
When you are not using a black and white signal, set the
N
jumper back to the open position (the default).
Follow these steps to enable the jumper:
1.
Disconnect all power to the YCS and any attached devices.
If the YCS is mounted, remove it from its mounting.
2.
Remove the YCS cover by removing the two screws on
each side and lifting the cover up and off.
Figure 2-14 — Removing the cover of the YCS 100
3.
Locate the two-pronged CR8 jumper near the center back
of the YCS board. (See the photograph below.)
YCS 100 • Installation and Operation
Lift cover
straight up.
Remove (4)
screws from
sides.
2-15
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