[TA-A] Re: Zenith PVR5263MK no picture


Please remove broberts13@xxxxxxxxxxx from this string


From: postmaster@xxxxxxxxxxxxxxxxxx: broberts13@xxxxxxxxxxxxxxx: Sat, 5 Jan 
2008 19:56:31 -0800Subject: Delivery Status Notification (Failure)This is an 
automatically generated Delivery Status Notification. Delivery to the following 
recipients failed.        staff@xxxxxxxxxxxxxx  --Forwarded Message 
Attachment--From: broberts13@xxxxxxxxxxxxx: staff@xxxxxxxxxxxxxxxxxxxxx: FW: 
[TA-A] Re: Zenith PVR5263MK no pictureDate: Sun, 6 Jan 2008 03:56:28 
+0000Please remove broberts13@xxxxxxxxxxx from this string.  I've gotten half a 
dozen of their emails in as many hours.  I have no idea how I got attached.  I 
was trying to help someone with a question in a string about DCSTS-750.Bill 
Roberts > Date: Sat, 5 Jan 2008 19:38:15 -0800> From: jerther@xxxxxxxxxxxxx> 
To: techassist@xxxxxxxxxxxxx> Subject: [TA-A] Re: Zenith PVR5263MK no picture> 
> Hi dan> > You can also "ring" the flyback to see if it's alright. Flyback 
rigners are quite expensive but you can use "The poor man's flyback ringer" if 
you get a hand on a scope. Do a little search on the net about that trick, I 
can't remember where I found it, but it works for sure.> > Jerther> > --- 
mbates17@xxxxxxxxxxxx wrote:> > From: "Mike Bates" <mbates17@xxxxxxxxxxxx>> To: 
<techassist@xxxxxxxxxxxxx>> Subject: [TA-A] Re: Zenith PVR5263MK no picture> 
Date: Sat, 5 Jan 2008 19:49:34 -0500> > well that means the HOT is shorted. you 
will have to replace the supply > fuse/diode to that HOT possibly.> > and the 
flyback. i repaired a PVR4663 that had the same issue.> > only way to know is 
to replace the hot, and leave the HV lead disconnected > to the HV splitter and 
if it powers up with HV, then you know its the > splitter, if it shorts the HOT 
again, its the fly.> > ----> Mike> > > ----- Original Message ----- > From: 
"Dan E" <tbkdan3@xxxxxxxxx>> To: <techassist@xxxxxxxxxxxxx>> Sent: Saturday, 
January 05, 2008 7:13 PM> Subject: [TA-A] Re: Zenith PVR5263MK no picture> > > 
> Well, I took QX3200 off the board and it's shorted on both B-E and B-C > > :( 
Since you also mentioned the flyback, is there any way to check if that > > has 
gone south as well? And would the site I mentioned in the previous > > email be 
correct in saying the flyback is TX3200?> > Thanks again!> >> > Dan> >> > Mike 
Bates <mbates17@xxxxxxxxxxxx> wrote: check QX3200 for a shorted state > > 
though. B to E will alwasy read shorted.> > but check B to C.. if shorted, 
there is your main issue..> >> > ----> > Mike> >> >> > ----- Original Message 
----- > > From: "Dan E"> > To:> > Sent: Saturday, January 05, 2008 5:14 PM> > 
Subject: [TA-A] Re: Zenith PVR5263MK no picture> >> >> >> Hi Mike,> >> Thanks 
for the input. Between what you suggested and> >> 
http://www.anatekcorp.com/faq/protv.htm (1/3 of the way down, question> >> 
P42803-10, same issue on a model that is covered by my service manual), I> >> 
did locate at least one faulty diode (CRX3412). Local Radio Shack didn't> >> 
have anything that was suitable, so I'll have to either locate a> >> specialist 
or order one online. Anybody know any shops in the Rochester> >> area? :)> >>> 
>> I did not find any fuses that had blown anywhere. I don't have a scope> >> 
handy so I can't check the HOT (would I be correct in assuming the> >> 
aforementioned site is correct and it is the QX3200 transistor?).> >>> >> 
Again, I am not experienced in TV repair, so if I'm looking in the wrong> >> 
spots, please let me know :) If I am looking in the right spots, are> >> there 
any other components I should check since that diode was definitely> >> bad?> 
>>> >> For your convenience, I put two versions of the schematics of the power> 
>> board on imageshack; I don't suggest viewing them unless you're on a> >> 
broadband connection.> >> http://img169.imageshack.us/img169/558/page2jq3.jpg> 
>> http://img145.imageshack.us/img145/8162/page1nn1.jpg> >>> >> Thanks again, I 
really appreciate the help :-)> >>> >> Dan> >>> >> Mike Bates wrote: sounds 
like the HOT is blown and> >> the supply fuse to the B+ is gone with it.> >>> 
>> i had similar PVR chassis do the same thing, it was the HOT, fuse, and> >> 
flyback.> >>> >> ----> >> Mike> >>> >>> >>> >> ----- Original Message ----- > 
>> From: "Dan E"> >> To:> >> Sent: Friday, January 04, 2008 10:31 PM> >> 
Subject: [TA-A] Zenith PVR5263MK no picture> >>> >>> >>> Hi, I want to start 
off by saying that I am not experienced in repairing> >>> TV's, but I am 
somewhat knowledgeable in general electronics. I > >>> received> >>> this 
projection TV from a friend, and got the service manual online. It> >>> powers 
up and audio comes on (I can raise and lower the white noise from> >>> the> >>> 
buttons on top), but I don't get any picture at all; the CRT's don't> >>> 
light> >>> up. The previous TV I worked on had a somewhat more straightforward> 
>>> troubleshooting guide, while this one is somewhat more complex :P I was> 
>>> just looking for some generic tips of what I might starting looking for> 
>>> or> >>> if someone knows off the bat what is wrong *crosses fingers* :-) 
It> >>> might> >>> be worth noting that this TV has been repaired before, and 
it is > >>> somewhat> >>> obvious by the less-than-pretty wiring jobs on some 
of the boards.> >>>> >>>> >>> Thanks for any help you may offer, and let me 
know if I can clarify> >>> anything.> >>>> >>>> >>>> >>> Dan> >>>> >>>> >>>> 
>>> 
------------------------------------------------------------------------------> 
>>> Remove: Send a blank email to techassist-request@xxxxxxxxxxxxx with> >>> 
remove> >>> as subject.> >>> Set Vacation> >>> 
mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation> >>> Lost 
Password: http://www.tech-assist.org and select "Login Problems?".> >>> Email 
Archives: http://www.freelists.org/archives/techassist/> >>>> >>>> >>> -- > >>> 
No virus found in this incoming message.> >>> Checked by AVG Free Edition.> >>> 
Version: 7.5.516 / Virus Database: 269.17.13/1209 - Release Date:> >>> 
1/4/2008> >>> 12:05 PM> >>>> >>>> >>> >> 
------------------------------------------------------------------------------> 
>> Remove: Send a blank email to techassist-request@xxxxxxxxxxxxx with > >> 
remove> >> as subject.> >> Set Vacation> >> 
mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation> >> Lost 
Password: http://www.tech-assist.org and select "Login Problems?".> >> Email 
Archives: http://www.freelists.org/archives/techassist/> >>> >>> >>> >> 
------------------------------------------------------------------------------> 
>> Remove: Send a blank email to techassist-request@xxxxxxxxxxxxx with > >> 
remove> >> as subject.> >> Set Vacation> >> 
mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation> >> Lost 
Password: http://www.tech-assist.org and select "Login Problems?".> >> Email 
Archives: http://www.freelists.org/archives/techassist/> >>> >>> >> -- > >> No 
virus found in this incoming message.> >> Checked by AVG Free Edition.> >> 
Version: 7.5.516 / Virus Database: 269.17.13/1210 - Release Date: > >> 
1/5/2008> >> 11:46 AM> >>> >>> >> > 
------------------------------------------------------------------------------> 
> Remove: Send a blank email to techassist-request@xxxxxxxxxxxxx with remove > 
> as subject.> > Set Vacation > > 
mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation> > Lost 
Password: http://www.tech-assist.org and select "Login Problems?".> > Email 
Archives: http://www.freelists.org/archives/techassist/> >> >> >> > 
------------------------------------------------------------------------------> 
> Remove: Send a blank email to techassist-request@xxxxxxxxxxxxx with remove > 
> as subject.> > Set Vacation > > 
mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation> > Lost 
Password: http://www.tech-assist.org and select "Login Problems?".> > Email 
Archives: http://www.freelists.org/archives/techassist/> >> >> > -- > > No 
virus found in this incoming message.> > Checked by AVG Free Edition.> > 
Version: 7.5.516 / Virus Database: 269.17.13/1210 - Release Date: 1/5/2008 > > 
11:46 AM> >> > > > 
------------------------------------------------------------------------------> 
Remove: Send a blank email to techassist-request@xxxxxxxxxxxxx with remove as 
subject.> Set Vacation 
mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation> Lost 
Password: http://www.tech-assist.org and select "Login Problems?".> Email 
Archives: http://www.freelists.org/archives/techassist/> > > 
------------------------------------------------------------------------------> 
Remove: Send a blank email to techassist-request@xxxxxxxxxxxxx with remove as 
subject.> Set Vacation 
mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation> Lost 
Password: http://www.tech-assist.org and select "Login Problems?".> Email 
Archives: http://www.freelists.org/archives/techassist/Share life as it happens 
with the new Windows Live. Start sharing!
_________________________________________________________________
Make distant family not so distant with Windows Vista® + Windows Live?.
http://www.microsoft.com/windows/digitallife/keepintouch.mspx?ocid=TXT_TAGLM_CPC_VideoChat_distantfamily_012008


------------------------------------------------------------------------------
Remove: Send a blank email to techassist-request@xxxxxxxxxxxxx with remove as 
subject.
Set Vacation mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation
Lost Password: http://www.tech-assist.org  and select "Login Problems?".
Email Archives: http://www.freelists.org/archives/techassist/

Other related posts: