[TechAssist] Re: RCA F20203BK/CTC175A..Dead
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 8 Apr 2004 23:39:19 -0400
Change the EPROM. Saw lots of those.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "Intrepid Video Support" <support@xxxxxxxxxxxxxxxxxx>
To: "Techassist" <techassist@xxxxxxxxxxxxx>
Sent: Thursday, April 08, 2004 11:15 PM
Subject: [TechAssist] RCA F20203BK/CTC175A..Dead
>
>
> Customer said the set was intermittent dead. I have not gotten power to it
at all.
> I have 170vdc on HOT..too high. On Q4301, I also have 170vdc. I changed
Q4301 with one from a scrapped
> chassis, until I place an order and same problem. I checked both Q4301's I
have and they both are not
> shorted or leaky..
> Any other suggestions?
> I did the tuner wrap already..
> Another thing I found odd, I have 5vdc on all pins of front panel
switches..I unsoldered the pin from the
> micro and the 5v is on the pin.
> Had to quit, for now...so this is as far as I got.
> I hope for some good ideas by tomorrow..
> Also, found C4155 and C4150 with high ESR..changed.
> I scoped the clock and data lines and they are there.
>
> Jeff Dougherty
> Intrepid Video TV/VCR
> 263 S Front St
> Steelton PA 17113
> ph..717-939-7708 fax...717-564-4952
> www.intrepid-video.com www.tech-repair.net
> A positive attitude may not solve all your problems, but it will annoy
enough people to make it worth the
> effort.
>
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