[TechAssist] Re: Daewoo TV DTQ-29S1FCN CN2001 - Shutdown
- From: "Premium Technologies" <premtech@xxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 4 Dec 2003 08:26:48 -0800
Dave,
Usually the replacement of C404, with a 160/3.3 solves a common intermittent
shutdown and the resistor across the HOT the thermal runaway per bulletin.
But this problem may have damaged regulator(s) or supports in that circuit -
to the point that resistors may have changed in value. The remainder of
that bulletin suggests replacement of Q805 (Kse3203), Q803 (Ksc2500),
Q804(Kse13009), R818 (.33-1w), R806 (390k-1/2w), R812 (100-1/4w). The
resistors only as needed, but I usually just replace them anyway. And the
regulators can be substituted...
Hope this helps.
Bill
William Rayburn, CET
NESDA Member
Premium Technologies
PO Box 442
Long Beach, WA. 98631
(360) 642-4993 Phone
(815) 425-8530 Fax
----- Original Message -----
From: "David Lessard" <mr_fixit@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, December 04, 2003 7:56 AM
Subject: [TechAssist] Daewoo TV DTQ-29S1FCN CN2001 - Shutdown
> Hi Fellows,
>
> This TV was serviced by another shop for a shutdown problem that occurs
> after 15 minutes of operation, they never fixed the problem and charged
> the customer. I've read the emails, changed C404 (to a 3.3uf), added the
> HOT modification (33ohm B-E), and even changed some other questionable
> capacitors, still the problem remains. What should be the +B at TP10? I
> read something somewhere, I think in the TechAssist archive, regarding
> D401 (9.1V zener) off ABL line on flyback. What else should I be looking
> for? I don't have a service manual. Thanks in advance. God Bless America
> (North & South).
>
> David Lessard
>
> Alexandria Electronics
> 50 Harrison Street
> Alexandria, Ontario
> K0C-1A0
>
> mr_fixit@xxxxxxxxxxxx
>
>
>
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