[TechAssist] Re: RCA140CE (sound)

Resolder L2306, U2300, then touch up alignment of L2306 located at (LL23).on
board. This is a fairly common problem on this chassis.

Robert J. Delhommer, Sr.
Bob's Electronics & TV
----- Original Message -----
From: TechAssist Admin. <techassist@xxxxxxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, August 30, 2001 2:51 AM
Subject: [TechAssist] Re: RCA140CE (sound)


>
> Jose I don't know where CR2502 or CR502 is, but if you ever
> find it and it turns out to be OK, some other things to check
> are:  C1805, Q2507, R1102 (in low voltage power supply),
> U1900 (& R1901 & R1902 next to it), L221 (might just need
> adjusting), Q9100, C2312.  FL1600 & C1600 (by U1600).  Around
> Q1900 there is R1906, it may need to be REMOVED.
> -Clint
>
> http://orpheuscomputing.com
> Clint Hamilton, Owner
> sales@xxxxxxxxxxxxxxxxxxxx
> Tech-Assist Administration
> http://tech-assist.org
> techassist@xxxxxxxxxxxxx
> 4orpheus@xxxxxxxxxxxxx  (alternates)
> orpheuscomputing@xxxxxxxxx
> pchardware@xxxxxxxxxxxx
> (PLEASE include previous correspondence
> if replying to this email!!)
>
> ----- Original Message -----
> From: <PEYETO@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, August 29, 2001 9:44
> Subject: [TechAssist] RCA140CE (sound)
>
>
>
> I ask for help for this TV before and still I'm working on
> it.
> I have noise sound when I have not connector in the input
> when I connect the
> antenna and go to a working channel the sound go away if I go
> to a channel
> that is not working I hear the noisy sound. The video is
> perfect.
> I saw tip that say.
> Problem: audio missing when the TV was tuned T0  a station.
> (MY problem)
> Fix: CR2502.
> Here is my problem I can not find the CR502. I check the main
> board up and
> down and I can find it. Do someone out there can tell me in
> what direction
> look to find that part?
> Thank you.
>                            Jose.
> PS. I change IC U2300 Dual IF.
>                     L 2306 Sound discriminator.
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>
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