[TechAssist] Re: Zenith PVY5270 Projo 9-1674 module
- From: "Gregory Smith" <gaserv@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 10 Jun 2005 16:15:43 -0500
Tri-State Module sells the parts, never had a problem with their IHVT to
repair Zenith boards. Greg
Gregory B. Smith
G & A Electronic Services
2521 N. Laurent
Victoria, TX 77901
Ph. 361-575-1998
gaserv@xxxxxxx
----- Original Message -----
From: "Paul Westcott" <westcott@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, June 10, 2005 1:54 PM
Subject: [TechAssist] Re: Zenith PVY5270 Projo 9-1674 module
> O.K.
> Consensus is a bad I.H.V.T.
> Will try to dig up a new board.
> Thanks all for input.
> Paul Westcott
> Kingsway Electronics
> 1090 Kingsway
> Sudbury, Ontario
> Canada
> Phone 705 566-9290
> Fax 705 566-5349
> westcott@xxxxxxx
> ----- Original Message -----
> From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, June 10, 2005 1:40 PM
> Subject: [TechAssist] Re: Zenith PVY5270 Projo 9-1674 module
>
>
> > Jury says FLYBACK (at least):
> >
> > ---------------------------------------------------------------
> > Text pasted from WinSTIPS 2.0
> > http://www.ServiceSoftware.com
> > ---------------------------------------------------------------
> >
> > ZENITH 9-1674
> >
> > Dead
> >
> > John Kincaid Sos Tv
> >
> > Problem Is Bad Fly And Hor Out Rebuilt Electrodyn Board Available
For
> > $93 Exchange
> > 9-1674-03 Didn'T Even Have To Do A Adjustment Field Repair Was
> > Easy
> >
> > ---------------------------------------------------------------
> >
> > ZENITH 9-1674
> >
> > Dead
> >
> > Marshfield Tv
> >
> > Shorted Hot, 121-1167, Also B+ Rectifier Diode Crx3412, Ecg577, Lastly
> > Flyback 95-4134-15, Called Zenith, They Said Fly Not Sold As Replacement
> > Part, Could Only Buy Module. Called Signal Electronics 800-842-8240,
They
> > Had Generic Replacement For -15/-21, Only $17, Worked Great.
> >
> > ---------------------------------------------------------------
> >
> > ZENITH 9-1674
> >
> > Dead Emergency Tv Electronics
> >
> > Emergency Tv Electronics
> >
> > Horiz Output Was Shorted, Replaced H.O.T. Qx3200 (121-1167-01) Also
> Shorted
> > Diode Crx3412 B+ Pn: Used A Ecg580.And Ihvt Pn: 95-4134-15
> >
> > ---------------------------------------------------------------
> >
> > ZENITH 9-1674
> >
> > Dead Set
> >
> > Jerry - Vision Video Labs, Inc
> >
> > Replace Flyback #95-4134-15, Bleeder Asy #A-17196-12, Crx3412 Use Ecg
577
> > 1kv, 5a, 70ns Fast Switch, Qx3200=1167-01 Or 2sd2553
> >
> > ---------------------------------------------------------------
> >
> > ZENITH 9-1674
> >
> > Dead. Fuse Blown
> >
> > Jerry - Vision Video Labs, Inc
> >
> > After Replacing Flyback, Hot, & Checking Standup Diodes, Check Qx3402.
> This
> > Was Shorted, All 3 Pins. Caused Immediate Line Fuse Blow. Use Original #
> > K790.
> >
> > ---------------------------------------------------------------
> >
> > ZENITH 9-1674
> >
> > No Video Or High Voltage. Audio Is Ok
> >
> > Doug - Vision Video Labs, Inc
> >
> > Replace Flyback Xformer Tx3204 #095-04134-31. Found Pins 2 & 3 Read Low
> > Resistance To Second Anode. Hv Rectifier Diodes In Secondary Of Flyback
> Must
> > Be Shorted.
> >
> > ---------------------------------------------------------------
> >
> > Bob Waterman, CET® #RI-28
> > Master Technician License #9109
> > Service Manager / Parts Manager
> > Gemini Computer, TV, & Security Alarms
> > (508)695-7302
> > (508)695-7769 FAX
> > geminitv@xxxxxxxxxxx
> >
> >
> > ----- Original Message -----
> > From: "Paul Westcott" <westcott@xxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Friday, June 10, 2005 1:01 PM
> > Subject: [TechAssist] Zenith PVY5270 Projo 9-1674 module
> >
> >
> > This set came in with shorted HOT and CRX 3412.
> > Replaced but still a no go.
> > The standby supply runs but the 115V supply doesn't.
> > There is no drive from ICX3401 to QX3402.
> > Is it possible that the above failures damaged the I.C.
> > or am I missing something else?
> > I see very few Zeniths and this thing is a pig trying
> > to service it on my knees.
> > Paul Westcott
> > Kingsway Electronics
> > 1090 Kingsway
> > Sudbury, Ontario
> > Canada
> > Phone 705 566-9290
> > Fax 705 566-5349
> > westcott@xxxxxxx
>
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