[TechAssist] Re: RCA Proj. P52937SG. PTK195M. Pix bowed in - top& bot. Q19701 shorted
- From: "tvservice" <tvservice@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 10 Jun 2005 16:05:39 -0500
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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