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RCA F19421 Ch# TX808s

Discussion in 'Electronic Repair' started by Charlie East, Aug 12, 2005.

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  1. Charlie East

    Charlie East Guest

    Dont have a schematic, Set will turn on , Full volume, Cant turn it down.
    Volume indicator on screen is at max, Cant change channels.Did notice one
    big transistor TP65 is hot to touch.
    Have screen, but cant get any menu items. Like its locked up in vol up. The
    vol switches are. good.
    Anyone have a schematic?
  2. What happens if you run it with Volume+ removed? What are voltages
    like around the 2 volume controls?

  3. Charlie East

    Charlie East Guest

    Checked the voltages on the switchesVol- 5.5vdc, vol+ was 3.5vdc, also
    noticed one of the channel buttons was low, Hit them with contact cleaner
    and push them all a few times, now the set works fine,
  4. Guest

    Charlie East:
    Well.... there you have it ....

    You can thank Tom MacIntyre for insisting that you "check" the switches
  5. Heck...should've bought a lottery ticket that day too. :)

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