[TechAssist] FIXED: Toshiba TP55D81 no video need serv manual
- From: "tony saracco" <tcselectronics@xxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>,"Shoreline Electronics" <jstielau@xxxxxxxx>
- Date: Fri, 23 Apr 2004 10:57:55 -0500
Big thanks to Jeff at Shoreline for the print of the Video ckt. After several
hours of going over the video ckt with a scope we found that the jungle IC was
not passing the video to the RGB out, all other video would pass ( convergence
test ssig and PIP and video was present at the input of the jungle IC. Just as
I was ready to call it a bad jungle IC I came up with the solution DUH check
the service menu! found sub contrast set at 0H and several other values also
off. Resetting the sub contrast fixed the video problem.
Tony Saracco
TCS ELECTRONICS
406 Andra Ct.
Gilberts, IL 60136
tcselectronics@xxxxxxxxx
----- Original Message -----
From: tony saracco
To: TECHSUPPORT@xxxxxxxxxxxxxxxx
Sent: Thursday, April 15, 2004 9:31 AM
Subject: Toshiba TP55D81 no video need serv manual
This set has no main video on any input but does get sound.I have no service
manual and NLA from Toshiba on TP55D81, anyone willing to sell, rent, or loan
the manual. or scan the video block diagram and video schematic path to the
video processor, (I am getting menus and PIP video so should be between
switching IC and processor).
thanks,
Tony Saracco
TCS ELECTRONICS
406 Andra Ct.
Gilberts, IL 60136
tcselectronics@xxxxxxxxx
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