[TechAssist] Re: MITSUBISHI PROJ TV MDL: VS-5051 / NO VIDEO
- From: "teltek2" <teltek2@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sat, 28 Dec 2002 11:10:10 -0500
Are you sure the IC is suppose to be LA7845?
-Ed-
Tel-Tek Electronics
Ontario-Canada
teltek2@xxxxxxxxxxxx
----- Original Message -----
From: <fremur01@xxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Saturday, December 28, 2002 10:49 AM
Subject: [TechAssist] Re: MITSUBISHI PROJ TV MDL: VS-5051 / NO VIDEO
>
> Hello,
>
> This one is still being a problem.
>
> I replaced IC401 (LA7845) along with adjoining
> caps in the circuit and it still has no video. Crt
> filaments and HV are fine. I tried inspecting the yoke
> connectors as well.
>
> Anyway, does anyone with service literature know the
> correct Vcc voltages on the IC I should look for in
> the vertical circuit? This is an awkward pc board
> so measurements should be fun.
>
> Thanks
>
> Item specs: MITSUBISHI PROJ TV MDL: VS-5051
>
> Fred
> MTS Electronics
> Fayetteville, NC
> fremur01@xxxxxxxxx
>
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of
> Gooseman
> Sent: Wednesday, December 11, 2002 9:20 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: MITSUBISHI PROJ TV MDL:
> VS-5051 / NO VIDEO
>
>
>
> Look at ic401 for loose connection or the yokes.you
> can wiggle the youe
> plugs and usually find the 1 with the loose
> connection.
> Beyond that you may have a bad vertical IC.
> Tvman99@xxxxxxx
>
>
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of
> fremur01@xxxxxxxxx
> Sent: Wednesday, December 11, 2002 4:36 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] MITSUBISHI PROJ TV MDL: VS-5051
> / NO VIDEO
>
>
> Hello,
>
> Went on a call today for the following: Set has good
> audio but no picture. I noticed all CRT filaments
> light up along with H/V buildup. One Tech had
> mentioned that some of these sets can have problems
> with the PIP module.
>
> Anyway, I was limited as to what could be done on
> site, and will take set back to shop later this week.
>
> I dont have service literature for this one. Nothing
> looked burnt on the PIP module. Anyone know of case
> history info for this model?
>
> Thanks
>
> Fred
> MTS Electronics
> Fayetteville, NC
> fremur01@xxxxxxxxx
>
>
> Item specs: MITSUBISHI PROJ TV MDL: VS-5051
>
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