Olson Technology LCM-550x1-Series - Manual (Page 26)

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.