[TechAssist] Re: RCA CTC177AG - Sort of Dead
- From: "Barry Thompson" <barrystv@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 3 Aug 2004 17:15:45 -0400
Tuner wrap amd white wire also
Barrys TV
barrystv@xxxxxxx
Ottawa
Canada
----- Original Message -----
From: "David Lessard" <mr_fixit@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, August 03, 2004 11:28 AM
Subject: [TechAssist] RCA CTC177AG - Sort of Dead
> Hi Techs,
>
>
> On plug-in I can hear the SMPS fire up, I can hear the HV start but then
> shut-down occurs, no horizontal drive, nothing but the standby voltages.
> Turning up the screen level shows no retrace lines. I'm thinking maybe
> the x-ray protection is kicking in but the +B never exceeds 130VDC
> before shut-down. I've checked the horizontal driver transformer and
> L401 coil for cold solder, it's OK. Something else is shutting down the
> TV. Is there a way of disabling the x-ray protection circuit for test
> purposes? Thanks in advance techs.
>
>
>
> David Lessard
>
> Alexandria, Ontario. Canada
>
> mr_fixit@xxxxxxxxxxxx
>
>
>
>
>
>
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