[TechAssist] Re: Philips Model # 30PW 633R37A Chassis L01.1UAC.&638
- From: Nova Service Center <mehdi@xxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 28 Dec 2005 12:52:41 -0500
peggs wrote:
>What are the main voltage measurements ???
>HOT B+ ???
>PS Secondary voltages ???
>
>Peggs
>
>At 09:25 AM 12/26/05, Nova Service Center wrote:
>
>
>>peggs wrote:
>>
>>
>>
>>>the infamoous 2455 capacitor..........
>>>7460 Hot Bu4508dx Part # 934055092127
>>>7461 Bc337-25 Part # 483513048147
>>>7463 Bc327-25 Part # 319802043430
>>>2455 47/25v
>>>7460 is the HOT,which probably OK........for now
>>>
>>>Peggs
>>>
>>>
>>>At 11:59 AM 12/21/05, Nova Service Center wrote:
>>>
>>>
>>>
>>>
>>>>Hi Techs
>>>>
>>>>This philips tv Model # 30PW633R37A
>>>>Had no power to start with., on the bench press power button relay
>>>>click. After many attemps pressing power button , it comes on. Then we
>>>>have wavy picture from top to bottom, most visible at left and right of
>>>>screen.In middle wave not too bad, it looks like filtering problem. All
>>>>caps and diodes in power supply checks ok. when set works B+ is 144
>>>>volts. We don't have Schematics. Anybody have a clue ?
>>>>Thank
>>>>Mehdi
>>>>Nova Service Center
>>>>7531 lindbergh Dr.
>>>>Gaithersburg, MD 20879
>>>>240-632-1717
>>>>Mehdi@xxxxxxxxxx
>>>>
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>>Thanks Peggs for your reply, I replaced all parts you mentioned, problem
>>still there.
>>
>>Thank
>>Mehdi
>>Nova Service Center
>>7531 lindbergh Dr.
>>Gaithersburg, MD 20879
>>240-632-1717
>>Mehdi@xxxxxxxxxx
>>
>>
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Hi Peggs
Here are the voltages :
Raw B+ 168 V
Reg. B+ 144 V
D6582 17.2V
IC 7560 3.3V
Video B+ 202V
Tuner B+ 33V
Thank
Mehdi
Nova Service Center
7531 lindbergh Dr.
Gaithersburg, MD 20879
240-632-1717
Mehdi@xxxxxxxxxx
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