[TechAssist] Re: Philips 32" 32PT563S37G (ch# LO1.1UAC-7638) dark picture, shuts off
- From: Phil Bader <tjanphyl@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 19 Oct 2004 12:30:23 -0400
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
>>
>>
>>
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>>
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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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