[TechAssist] RCA F31325SB, CTC140CL loss of video in the A/V board
- From: "Art Bevilacqua" <abevilac@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sun, 9 Jan 2005 12:34:45 -0500
I've used the best schematic that I have for this unit (Sams 2709) to =
track
the loss of video to the A/V board. Jumping across the board, we've got =
a
great picture.=20
We aren't doing so well scoping the signal through that board though =
because
our schematics only show a single video switch chip (U6201) and a single
audio switch (U6101), and this set has two of each. Sams 2709's picture =
of
the board shows locations for all four chips, with two chips missing, =
and
also many RCA phono sockets missing (this CTC140CL set has more inputs =
than
the CTC140AJ)=20
Would anyone have just the sheet showing the Audio/Video board of this =
set?
It's a monster and we'd love to get it off the bench.
Thanks, Art
Art Bevilacqua
Essex Radio and TV
40 Main Street
Essex, MA 01929
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