Olson-technology LCD-550x1 User Manual download pdf (Page 7)

025-000345 REV B

Page 7

TROUBLESHOOTING

No output, low RF LED on:

RF input low or absent.

Incorrect tuning mode or channel.

Check the small triangular notch for switch settings.

No output, low RF LED flashes:

Invalid tuning. Check tuning and mode switches. PAL units tune by frequency only. Broadcast

channel mode is also invalid for PAL.

Video output very high contrast and distorted:

Video output is unterminated.

Video output washed out:

Video output is double terminated.

Audio problems:

Verify correct jumper settings. Pre-emphasis setting on modulator must

match that of demodulator.

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Olson-technology LCD-550x1 User Manual Page 7