[TechAssist] Re: RCA PS52682, PTK171 Int Color
- From: "Wayne Vanaman" <Wayne@xxxxxxxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 10 Feb 2004 07:31:10 -0600
Check the connections on L4702 located at K15. Ohms those traces.
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
----- Original Message -----
From: "LeRoy Westlund" <llw@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, February 10, 2004 2:47 AM
Subject: [TechAssist] Re: RCA PS52682, PTK171 Int Color
> Peter,
> When repairing the PTV169 chassis for a no color problem, we usually
replace
> the +13 volt standby rectifier CR4118, and the associated filter cap in
the
> same ckt. See if this set has a similar standby ckt. as the PTV169, and if
> it does,....."Bingo",....that might just do the job ! ( Measure the +13
volt
> souce, before, and after changing the diode to see if it increases the
> reading ).
>
> HTH,
> LLW
>
> LeRoy Westlund
> Westlund TV & Electronics
> 97 North Main "At least I'll go down
> Centerfield, UT 84622-0087 swingin,......what a swingin
> Ph./Fax 435-528-3822 way to go."
> mailto:LLW@xxxxxxxxxx
>
> -----Original Message-----
> From: peter <pe.kow@xxxxxxxxxxxx>
> To: Techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
> Date: Monday, February 09, 2004 9:18 PM
> Subject: [TechAssist] RCA PS52682, PTK171 Int Color
>
>
> >Hello All, Been having great fun with this bin. This set seemingly does
not
> >like its owner much anymore as it doesn't want to show him a color
picture
> >very often. We've had this bin into the shop a couple of times over the
> last
> >2 months. When in home unit has int color, in shop, has worked for days
on
> >end. We've changed the chroma crystal, resoldered everywhere we could (
> >around IC, in IF circuit where the jumpers are and anywhere else that
> looked
> >the least bit suspicious ), have replaced chroma IC and are now waiting
for
> >a eeprom (been suggested as a possible source of the problem ). Were
called
> >again last week, Thurs., with complaint that set had no colour again.
> Picked
> >chassis up just before close today, set had some color ( very weak color
> >with customer control turned all the way up ) Does this sound like it may
> be
> >the eeprom? Any other suggestions ? TIA Peter Kowalik
> >pe.kow@xxxxxxxxxxxx Keith's Stereo Burl. ON.
> >---
> >Outgoing mail is certified Virus Free.
> >Checked by AVG anti-virus system (http://www.grisoft.com).
> >Version: 6.0.580 / Virus Database: 367 - Release Date: 06/02/2004
> >
> >
> >
>
>---------------------------------------------------------------------------
> --
> >Lost Password:
> >http://www.tech-assist.org and select "Login Problems?".
> >Email Archives:
> >//www.freelists.org/archives/techassist/
>
>
> --------------------------------------------------------------------------
---
> Lost Password:
> http://www.tech-assist.org and select "Login Problems?".
> Email Archives:
> //www.freelists.org/archives/techassist/
>
-----------------------------------------------------------------------------
Lost Password:
http://www.tech-assist.org and select "Login Problems?".
Email Archives:
//www.freelists.org/archives/techassist/
Other related posts: