[TechAssist] Re: update Zenith PVY6067DT rebuilt 9-1674(dead) played OK 3hrs,bowed,then black

  • From: "Intrepid Video Support" <support@xxxxxxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Thu, 11 Nov 2004 21:50:04 -0500

Phil,
I haven't heard of the convergence panel causing no video.

Jeff
--
Intrepid Video TV/VCR Repair
263 S Front St, Steelton PA 17113
717-939-7708; (F) 717-564-4952
www.intrepid-video.com  www.tech-repair.net
----- Original Message ----- 
From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, November 11, 2004 9:47 AM
Subject: [TechAssist] Re: update Zenith PVY6067DT rebuilt 9-1674(dead) played 
OK 3hrs,bowed,then black


I see Zenith sells the 9-1674-03 (NLA)  as a 1674-3R for $105.00 plus 
50.00 dud.
I already installed the diode, resistor and LA7838 vert IC. will 
reinstall board today and give it the cook test. If all else fails, will 
order one whole. You are right. not worth the aggrevation. I am told the 
converg. panel may be doing this... I have one in stock, but hope it 
isn't the cause/lotta realignments if so.
Phil

Intrepid Video Support wrote:

>Phil,
>That is the supply for the vertical, but vertical IC doesn't usually fail.
>I had the same problem recently, replaced that diode and resistor, worked for 
>about two minutes..then I
>gave up and replaced the board.
>You can replace these with a 6 month warranty for under $100.
>Jeff
>--
>Intrepid Video TV/VCR Repair
>263 S Front St, Steelton PA 17113
>717-939-7708; (F) 717-564-4952
>www.intrepid-video.com  www.tech-repair.net
>----- Original Message ----- 
>From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Sent: Wednesday, November 10, 2004 4:18 PM
>Subject: [TechAssist] update Zenith PVY6067DT rebuilt 9-1674(dead) played OK 
>3hrs,bowed,then black
>
>
>I pulled the 1674 board and changed the 82k and 110k, tho good. Further=20
>tracing located an open 1 ohm resistor next to fly: R3252, which feeds a =
>
>diode CR3215 that's shorted. My PARTIAL diagram shows this diode=20
>produces the +26 volts.
>It goes like this:
>Flyback pin 4, toR3252, to CR3215, the +26V.
>Is this to the vertical Vcc? if so, probable bad vert IC as well.
>Phil Bader
>
>Gemini Computer & TV wrote:
>
>  
>
>>Yes they do and are a common failure. I would replace them anyway. They =
>>    
>>
>are
>  
>
>>82K and 110K.
>>
>>Bob Waterman, CET=AE #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 -----=20
>>From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
>>To: <techassist@xxxxxxxxxxxxx>
>>Sent: Wednesday, November 10, 2004 3:28 PM
>>Subject: [TechAssist] Re: Zenith PVY6067DT rebuilt 9-1674(dead) played O=
>>    
>>
>K
>  
>
>>3hrs,bowed,then black
>>
>>
>>=20
>>
>>    
>>
>>>Not sure. will those affect the vertical size of the picture? Or the bo=
>>>      
>>>
>w =3D
>  
>
>>>effect?
>>>May not  have. The 9-1674- kit list did not show those included in it. =
>>>      
>>>
>I =3D
>  
>
>>>assume they reside on the 9-1674.
>>>Phil Bader
>>>
>>>Gemini Computer & TV wrote:
>>>
>>>  =20
>>>
>>>      
>>>
>>>>Did you replace R3243 and R3244?
>>>>
>>>>Bob Waterman, CET=3DAE #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 -----=3D20
>>>>From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
>>>>To: <techassist@xxxxxxxxxxxxx>
>>>>Sent: Wednesday, November 10, 2004 3:13 PM
>>>>Subject: [TechAssist] Zenith PVY6067DT rebuilt 9-1674(dead) played OK
>>>>3hrs,bowed,then black
>>>>
>>>>
>>>>=3D20
>>>>
>>>>    =20
>>>>
>>>>        
>>>>
>>>>>Try to put all that in subject line!
>>>>>originally was dead with the HOT, diode,etc on the 9-1674 deflection
>>>>>panel bad. Rebuilt board, and it ran good for several days. Reassembl=
>>>>>          
>>>>>
>ed=3D
>  
>
>>>>>      =20
>>>>>
>>>>>it and played 3 hours OK. Looked up and saw the picture narrow from t=
>>>>>          
>>>>>
>op=3D
>  
>
>>>>>      =20
>>>>>
>>>>>and bottom with a top and bottom bow. Like an "eye" shape. Powered it=
>>>>>          
>>>>>
>
>  
>
>>>>>off, then  after a few minutes, when I turned it on again the HV came=
>>>>>          
>>>>>
>
>  
>
>>>>>up, CRT filaments glowed, sound there but no picture. All 3 CRT black=
>>>>>          
>>>>>
>=2E =3D
>  
>
>>>>>      =20
>>>>>
>>>>>          
>>>>>
>>>I
>>>  =20
>>>
>>>      
>>>
>>>>>assume it went into safety mode and blanked the CRTs. I changed the
>>>>>convergence module 9-1690 (simply because I had one and the narrow
>>>>>distorted display could be this module maybe) but the same thing afte=
>>>>>          
>>>>>
>r
>  
>
>>>>>installation
>>>>>Maybe vertical...
>>>>>Need some input here.
>>>>>End of my rope here...
>>>>>Phil Bader
>>>>>
>>>>>--=3D20
>>>>>
>>>>>Philip Bader
>>>>>Jan Phyl TV Inc. (estab. 1976)
>>>>>3420 Recker Hwy. Winter Haven, Fl. 33880
>>>>>Fax (863) 299-8821
>>>>>email: tjanphyl@xxxxxxxxxxxxxxx
>>>>>
>>>>>
>>>>>
>>>>>---------------------------------------------------------------------=
>>>>>          
>>>>>
>--=3D
>  
>
>>>>>      =20
>>>>>
>>>>>          
>>>>>
>>>---
>>>  =20
>>>
>>>      
>>>
>>>>> =3D20
>>>>>
>>>>>      =20
>>>>>
>>>>>          
>>>>>
>>>>---
>>>>=3D20
>>>>
>>>>    =20
>>>>
>>>>        
>>>>
>>>>>Lost Password:
>>>>>http://www.tech-assist.org  and select "Login Problems?".
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>>>>> =3D20
>>>>>
>>>>>      =20
>>>>>
>>>>>          
>>>>>
>>>>----------------------------------------------------------------------=
>>>>        
>>>>
>--=3D
>  
>
>>>>    =20
>>>>
>>>>        
>>>>
>>>-----
>>>  =20
>>>
>>>      
>>>
>>>>Lost Password:
>>>>http://www.tech-assist.org  and select "Login Problems?".
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>>>>=3D20
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>>>>
>>>>        
>>>>
>>>--=3D20
>>>
>>>Philip Bader
>>>Jan Phyl TV Inc. (estab. 1976)
>>>3420 Recker Hwy. Winter Haven, Fl. 33880
>>>Fax (863) 299-8821
>>>email: tjanphyl@xxxxxxxxxxxxxxx
>>>
>>>
>>>
>>>
>>>-----------------------------------------------------------------------=
>>>      
>>>
>---
>  
>
>>>  =20
>>>
>>>      
>>>
>>---
>>=20
>>
>>    
>>
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>>------------------------------------------------------------------------=
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>
>--=20
>
>Philip Bader
>Jan Phyl TV Inc. (estab. 1976)
>3420 Recker Hwy. Winter Haven, Fl. 33880
>Fax (863) 299-8821
>email: tjanphyl@xxxxxxxxxxxxxxx
>
>
>
>
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-- 

Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@xxxxxxxxxxxxxxx



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