[TechAssist] Re: RCA PS52682, PTK171 Int Color
- From: "LeRoy Westlund" <llw@xxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 10 Feb 2004 01:47:03 -0700
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.
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