[TechAssist] Re: 7p6033w phillips ptv 775 projectiuon tv hot repeat failure
- From: Eric Manuel <tvman@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 26 Mar 2005 19:43:43 -0330
Hi Pete something to check out..
Magnavox 7P6033W101 PTV775AH01 Q802 HOT shorts intermittently
C811 part #202055890481 330pf 2kv Ceramic
Eric
E M Electronics
Deer Lake Nfld
Canada
tvman@xxxxxxxxxxxxxxx
pete wrote:
> john I resoldered the whole bd replaced q906 with a original transistor from
> phillips {dont remember the number now} same problem but this time it took
> it out after 20 min. the transistor did not get hot at all. I cant figure
> this out I didnt hear a pop or arc or anything? I measured power supply 130v
> on the money. I need an expert phillips tech I dont do many phillips sets
>
>
> Pete
> Perdomo Tv Inc Since 1972
> Miami.Fl
> ----- Original Message -----
> From: "John at Main TV" <maintv2004@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, March 25, 2005 8:28 PM
> Subject: [TechAssist] Re: 7p6033w phillips ptv 775 projectiuon tv hot repeat
> failure
>
>
>
>>I have found that when a horiz output shorts without getting warm the
>>problem is bad connections in the base circuit, usually at the driver
>>transformer (T901 in this case). If it works OK whan it is working, it
>>must
>>be in that area. Q906 should be a 5322-130-60508, I'm not sure what that
>>crosses to. HTH, John.
>>John Mielke
>>Main TV
>>Longmont,Co 80501
>>303 776 6955
>>303 776 0792 fax
>>maintv2004@xxxxxxxxxxx
>>www.longmontmaintv.com
>>----- Original Message -----
>>From: "pete" <tvtech@xxxxxxxxxxxxx>
>>To: <techassist@xxxxxxxxxxxxx>
>>Sent: Friday, March 25, 2005 6:12 PM
>>Subject: [TechAssist] 7p6033w phillips ptv 775 projectiuon tv hot repeat
>>failure
>>
>>
>>
>>>Hi guys
>>>I have a phillips projection shorts out q906 transistor I put in another
>>
>>works for 1 day then It goes out again. The only thing that I could tell
>>you
>>is that Its not a temperature issue. I checked b+ 130volts. Has anybody
>>seen
>>this one before? I also checked the blue crt looks ok not cracked. any
>>help
>>will be greatly appreciated.
>>
>>>thank you
>>>Pete
>>>Perdomo Tv Inc Since 1972
>>>Miami.Fl
>>>--------------------------------------------------------------------------
>>
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>
>
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