[TechAssist] update Philips 32" 32PT563S37G (ch# LO1.1UAC-7638) dark picture, shuts off

  • From: Phil Bader <tjanphyl@xxxxxxxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Thu, 21 Oct 2004 10:49:21 -0400

Replaced the flyback, and the CRT board output IC 7330 (TDA6107JF), 
powers up with  25KV, picture still dark, smeary, shuts down. Tried 
rotating the fly screen pot, same as before. No change at all. Anyone 
have a pdf of this dog? Any other ideas?
Thanks,
Phil Bader

Phil Bader wrote:

>Thanks, but those parts check OK. There is an IC on the CRT board #7330: =
>
>TDA6107JF appears to be the video outputs to the CRT. Possibly bad...=20
>Looking for a sub part here, or may just order it.
>Thanks,
>Phil Bader
>
>Gemini Computer & TV wrote:
>
>  
>
>>Perhaps this:
>>
>>Symptom:
>>At turn on the raster appears and rapidly changes colors.  Then shutdown=
>>    
>>
>
>  
>
>>(protection) happens.  If placed into Factory Mode using the 4835 310 57=
>>    
>>
>511
>  
>
>>FMR remote the flashing will continue.  Sg2 voltage is stable and clean =
>>    
>>
>of
>  
>
>>disturbance.
>>
>>Cause:
>>Open resistor 3451 and shorted diode 6447.  3451 is a stand up resistor =
>>    
>>
>and
>  
>
>>may be measured in-circuit.  Normal value is between 2 and 10 ohms (vari=
>>    
>>
>es
>  
>
>>with model-see Force).
>>Parts are on top of board at Section 6B.
>>
>>
>>Resolution:
>>Replace 3451 and 6447.  NOTE:  3451 is a critical Safety part and must b=
>>    
>>
>e
>  
>
>>replaced by the exact part/value.
>>
>>
>>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: Tuesday, October 19, 2004 11:53 AM
>>Subject: [TechAssist] Philips 32" 32PT563S37G (ch# LO1.1UAC-7638) dark
>>picture, shuts off
>>
>>
>>=20
>>
>>    
>>
>>>Supposedly after our hurricanes, this set powers on gets a dark picture=
>>>      
>>>
>,
>  
>
>>>some streaking, after few seconds more, shuts off.
>>>While on, I see good deflection (horiz. and vert,), tuner works.
>>>I found 180V on CRT board,etc. Seems to have G2 as well. I ran it with
>>>the CRT unplugged and still will shut down the same.
>>>I ohmed all the lo-ohm resistors I could find. Need assist here!
>>>Phil Bader
>>>
>>>--=20
>>>
>>>Philip Bader
>>>Jan Phyl TV Inc. (estab. 1976)
>>>3420 Recker Hwy. Winter Haven, Fl. 33880
>>>Fax (863) 299-8821
>>>email: tjanphyl@xxxxxxxxxxxxxxx
>>>
>>>
>>>
>>>-----------------------------------------------------------------------=
>>>      
>>>
>---
>  
>
>>>  =20
>>>
>>>      
>>>
>>---
>>=20
>>
>>    
>>
>>>Lost Password:
>>>http://www.tech-assist.org  and select "Login Problems?".
>>>Email Archives:
>>>//www.freelists.org/archives/techassist/
>>>
>>>  =20
>>>
>>>      
>>>
>>
>>------------------------------------------------------------------------=
>>    
>>
>-----
>  
>
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>>=20
>>
>>    
>>
>
>--=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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