[TechAssist] Mits CS2656R Follow up

  • From: "Bob@Bobs tv" <woodman1@xxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 8 Aug 2003 10:11:55 -0400

Hello,
        Still working on this dog.. Would anyone have have a print?
Since last post we found glue, top side of chassis.. Repaired that also. and
the video goes thru this area..Using sams print that's close, but some of
the chip # are different from the sams I have.. Problem  is dark grey pix,
no trace of color,  out of sync and sound is ok.. Similar to pip problem but
this set does not have one..
Any help appreciated.. thanks
Bob,

Bobs TV   Worcester, ma

woodman1@xxxxxxxx

Main  508-853-1482
Fax    508-853-1480
----- Original Message -----
From: "Bob@Bobs tv" <woodman1@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, August 06, 2003 2:19 PM
Subject: [TechAssist] Mits CS2656R Help


> When this set was left, customer said set picture would scramble and go
dead in an hour or 2 days.. We hooked up and set worked fine for like 2
hours.. Then, we lost sound and screen went dark... turning up screen we
found we had no vertical sweep.. We replaced scan diode {checked ok} 26v
supply thought it feeds vert/audio. We did have B+ on audio chip and vert
output chip when set was not working.. Today went to work on this set, has
sound, grey screen and scrambled out of sync pix.. removing bottom shield
found found glue had damaged trace near jungle chip, repaired and the same,
scrambled pix. Probably another supply  voltage missing..But without a print
its very hard to trace and there is no sams listed..Hope someone has some
ideas..
> Thanks...
>
> Bob,
>
> Bobs TV   Worcester, ma
>
> woodman1@xxxxxxxx
>
> Main  508-853-1482
> Fax    508-853-1480
>
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