Missing Channels or audio missing on some channels Troubleshooting Procedures for the CTC 203 Modular Tuner The most common problem is possibly corrupted eeprom data. Check the 33volt and 5volt supply to tuner. Use Chipper Check, to restore the tuner function. In Chipper Check, go to the alignments tab and select the correct modular tuner. Compare the numbers on the tuner in the set and click on the correct one, then click OK before exiting Chipper Check. Robert supertek66@xxxxxxxxxxx robert_herring@xxxxxxxx H&H Electronics Inc Dallas,Tx. 75233 Help make your TechAssist online repair tips database better! Submit your fixes here: http://www.circuitwork.com/techassist/tip/#tips To unsubscribe write to: techassist-request@xxxxxxxxxxxxx with unsubscribe in the subject line.