[TechAssist] Re: RCA Proj. P52937SG. PTK195M. Pix bowed in - top& bot. Q19701 shorted
- From: Wayne Vanaman <Wayne@xxxxxxxxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 10 Jun 2005 16:04:33 -0500
Wow, you probably need some resistors, too. I have never replaced a
diode, to the best of my memory.
Wayne Vanaman
Omega Electronics
6904 W Fairfield Dr
Pensacola, Fl. 32506-3310
Wayne@xxxxxxxxxxxxxxxxxxxxx
WWW.PensacolaTVRepair.Com
850-456-5995 voice
850-458-6369 fax
tvservice wrote:
> board # 250686 @ $50 + $20 dud at Tritronics
> Replace all these parts if you repair board
> Q19701 246967 / P4NB50FP
> Q19702 147665 / NTE159
> Q19703 232218
> Q19704 229220 / NTE123AP / 2N3904 / BC547
> U19701 231525 / NTE999
> CR19701 198589 / NTE519
> R19703 241313 / 15 ohm 1/2 w
> CR19710 234048 / MUR115 / NTE587
> CR19713 234048 / MUR115 / NTE587
> F14201 175425 / GMA 5 amp
>
> Robert
> tvservice@xxxxxxxxxxxxx
> H & H Electronics Inc
>
>
> ----- Original Message -----
> From: "Robinson Electronics" <RobinsonElectronics@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, June 10, 2005 3:34 PM
> Subject: [TechAssist] RCA Proj. P52937SG. PTK195M. Pix bowed in - top& bot.
> Q19701 shorted
>
>
>
>>Can anyone help with some info on these conv. pwr boards?
>>Customer said the pix bowed in from top and bottom, stayed like that for a
>
> bit, then popped and quit working.
>
>>I found the FET Q19701 on the conv. pwr board (cracked and burnt).
>>Are these usually cost effective to repair, or just replace the whole
>
> board?
>
>>This one uses a fet "burnt / cracked" cannot read value?
>>The one I was familiar with uses a stk reg. instead.
>>Don't know what the difference between them are, except the reg. used?
>>Can anyone help with some info. about these, or common components to
>
> replace, or better to replace board?
>
>>Not sure how many other components are damaged yet?
>>Still checking,
>>
>>Thanks for any help. David.
>>
>>Robinson Electronics
>>1075 Sweeten Creek Road
>>Asheville, NC 28803
>>Ph./Fax. 828 274-3787
>>Toll Free. 1-888 ROBELECT
>>www.robinsonelectronics.com
>>www.robelect.com
>>Mailto: RobinsonElectronics@xxxxxxxxxxx
>>
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