[TechAssist] Re: JVC G21T TV high power shutdown
- From: "Damon" <DAMON101@xxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 21 May 2002 08:23:50 -0500
Problem is due to excess beam current at CRT. Check Screen voltage and
Cathode Voltage, most likely low cathode voltage, norm is 150 w/video.
Source of cathode voltage should be +200V. Screen voltage should be 200-400
V.
Damon Brunger
damon101@xxxxxxxxxxxxxx
Telrad Electronic Services
Ft Wayne, IN 46815
----- Original Message -----
From: "Ndegwa, Amos" <A.NDEGWA@xxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, May 21, 2002 3:39 AM
Subject: [TechAssist] JVC G21T TV high power shutdown
>
> When switched On the TV goes straight to standby mode. When powered on
thro'
> remote, the screen goes on becomes very bright (no picture) and then then
> shuts down. There is no picture though. The sound is not there either.
The
> timer led then starts flashing. Please advise on what could be faulty.
The
> voltage regulator IC S1854 with an input of 92V gives an output of about
> 9.2 V.
>
> Thanks in advance
>
> Amos Ndegwa
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