[TechAssist] Re: Pioneer PTV, SDP4565. Loses Video
- From: "tvservice" <tvservice@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 5 May 2005 15:39:03 -0500
Try these tips from Pioneer
Symptom: No Video. OSD ok, audio ok.
Cure: Replace IC902 TC4066BP on AV I/O-PINP-Y/C Sep Assy.
Models Covered: SDP4063, SDP4561, SDP4562, SDP4564, SDP4565, SDP5062,
SDP5064, SDP5065, SDP5564, SDP5565
Symptom: SYMPTOM: INTERMITTANT OR NO VIDEO. SOUND AND OSD OK.
Cure: CHECK FOR BAD SOLDER ON D122 OF THE POWER SUPPLY ASSY..
Models Covered: PRO106, PRO76, PRO96, SDP4063, SDP4561, SDP4562, SDP4564,
SDP4565, SDP5062, SDP5064, SDP5065, SDP5564, SDP5565
Robert
tvservice@xxxxxxxxxxxxx
H & H Electronics Inc
----- Original Message -----
From: <gulftech@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, May 05, 2005 2:28 PM
Subject: [TechAssist] Pioneer PTV, SDP4565. Loses Video
> This is more of a general service question than set specific, although a
> specific tip would be great.
>
> This set will lose the video after it is on for 15-30 minutes. The audio
> remains and the OSD still works.
>
> This is true for any input EXCEPT S-video in. A signal fed into S-video
> will work fine.
>
> The question is "What circuits are bypassed by S-video that are not
> bypassed by the normal external video inputs?" I am familiar with the
> poor soldering on Pioneer TV's and spent many hours soldering both main
> boards and daughter boards.
>
> When the set loses the video, I am unable to get it to return by tapping,
> flexing, or circuit cooling--only by turning the set off for a few
> minutes.
>
> Working on this set is a nightmare. Even if I had a service manual,
> getting to points with a scope is next to impossible. A block diagram
> would be helpful, but any help would be nice for many of us.
>
> TIA,
>
>
>
> Kenneth Smith
> Gulf Technical Services
> 3034 Gulf Breeze Parkway
> Gulf Breeze, FL 32563
> 850-934-8324 (Voice) 850-932-0819 (Fax)
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