[TechAssist] Re: RCA TV CTC203AA5 DOA relay clicks
- From: "LeRoy Westlund" <llw@xxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 20 Jul 2005 20:13:21 -0600
The IFT was arching on mine, Dave.
So it was bad.
It took out the x-ray detector transistor.
NOTE: The schematics are a bit confusing.
They show BOTH Q14901, and Q14902 tied directly together. (E-E.B-B,C-C).
You only need ONE of these for X-ray protection ckt.
On my set it was Q14902 (SMD) that was shorted, but I removed and discarded
Q14902, and used the holes that were provided for Q14901, and used the
component mounted transistor (147665), it was easier to do it that way, plus
I already had the right transistor in stock.
LLW
LeRoy Westlund
Westlund TV & Electronics
97 North Main " I forgot,..to remember,..
Centerfield, UT 84622-0087 to forget "
Ph./Fax 435-528-3822
mailto:LLW@xxxxxxxxxx
-----Original Message-----
From: Dave Koch <mixerdrv@xxxxxxxxxxx>
To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
Date: Wednesday, July 20, 2005 5:08 PM
Subject: [TechAssist] RCA TV CTC203AA5 DOA relay clicks
>Model G27649, Set came in dead. Clicks 4/5 times with HV each time it
>clicks. Thought for sure was the FB but new one didnt fix a thing. Have 140
>V. on Coll. of HOT. Changed Gemstar Module, no change, Changed Q14101 and
>14401, and the EEprom with no luck. Cant figure out what Im missing. I
>suppose its possible the new FB could have been defective but am kind of
>leaning away from that theory. Any help? Thanks, Dave
>
>Koch Electronics
>2310 Peoria Rd.
>Leicester, NY 14481
>Fax 585-382-4602
>
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