[TechAssist] Re: Philips PTV-843 schematic
- From: peggs <peggs@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx, <techassist@xxxxxxxxxxxxx>
- Date: Thu, 16 Sep 2004 09:01:40 -0700
from WinStips
dead.Green light on front lit
Replace Q7802 #483513048074 And D2539.
other emails I've saved
Is that the series that has the bad op-amp ic in the PS, try heat and freeze
on large 8 pin ic I thank.
Country TV
Ron Miller
Inez, TX. 77968
>From Tech Repair CD:
Magnavox\9P5034C102 PTV835\Video fades in and out* sometimes to black*
sometimes to white. At same time
raster partially collapsing from all sides to an almost oval shape.\Audio
also affected with either no
audio* distorted audio* but usually audio is ok* as is micro control. OSD
is good when video is going on
and off*\but not when video is bright white. All symptoms
intermittent\PTV835\Replace IC 7412* Opto
isolator on LSB* part # 483520988561. IC is responsive to heat and
freeze\\\\\\\\
Jeff
--
Peggs
At 07:49 PM 9/15/04, G. Larkman wrote:
>Hi All,
>I have a Philips 9P5540C102 that is shutting down after turn on. There is a
>brief burst of HV (40kv) and then a green light on the front panel after set
>shutsdown..
>Andrtews says schematic is 2 weeks away and customer is screaming (as usual)
>Does anyone have an emailable version of the schematic they could send (or a
>tip would be equally great too).
>TIA for any assitance.
>
>Glenn Larkman
>Audiotech
>256 Nth Hwy 101
>ENCINITAS CA 92024
>760 944 9048
>FAX 944 0345
>mail to"mail@xxxxxxxxxxxxx"
>"www.audiotech.net"
>
>
>
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