[TechAssist] Re: TS2554C121, 25B800 No Brightness
- From: "Tech Repair CD support" <support@xxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 9 May 2002 18:42:40 -0400
Jim,
From Tech Repair CD:
Check D409 for lifted solder pad. There are two traces that lead to this pad,
check continuity on both sides.(suspect if you HAVE OSD)
Also check R420 and D409
BLANK RASTER* AUDIO OK* NO OSD-CAN SEE RETRACE LINES IF SCREEN TURNED UP
REPLACE EEPROM (4835 2098 8527)
Jeff
FAX 717-564-4952
Intrepid Video & Electronics
501 Luther Rd
Harrisburg PA 17111-2055
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----- Original Message -----
From: "Jim Bailey" <baileystv@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, May 09, 2002 1:30 PM
Subject: [TechAssist] TS2554C121, 25B800 No Brightness
>
> Hi Guys,
> I would like to know if anybody might have a tip on this set it came in with
> sound but no picture if you turn up the screen control you can get a bright
> picture with retrace lines with no video present, I have checked out the
> video IC'S on CRT board and the voltage are high like it was unloaded,
> example screen voltage 509 is 612 vdc. Also I have no video signal at the
> CRT module. Question could anything in the vertical circuit kill the
> Luminance circuit or video circuit?
> Thanks in advance, Jim
>
> MODEL: TS2554 C121
> CHASSIS: 25B800
> PROBLEM: SOUND NO PICTURE
>
> Jim Bailey,
> Bailey's TV Sales & Service
> Buckhannon, WV
>
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