[TechAssist] Re: [TechAssist]**fixed** RCA PTK169PEC (P60752EB)...dead...technical question
- From: "Intrepid Video Support" <support@xxxxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 21 Jul 2003 18:04:52 -0400
Replaced CR4160 with 5.6v zener.
Problem was my 5v standby slightly high at about 5.9vdc.
This diode tested good, but replacing repaired the set.
Thanks to Bill Dowdy for the schematic and the many others that offered their
help.
Jeff Dougherty
Intrepid Video TV/VCR
263 S Front St
Steelton PA 17113
fax...717-564-4952
www.intrepid-video.com www.tech-repair.net
----- Original Message -----
From: "Intrepid Video Support" <support@xxxxxxxxxxxxxxxxxx>
To: "Techassist" <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, June 18, 2003 5:13 PM
Subject: [TechAssist] RCA PTK169PEC (P60752EB)...dead...technical question
The only thing I can find bad on this is C4102(?) the 2.2 cap.
First, is it OK to use any 105 degree cap, even though it is much smaller?
Second, For reliability, should I also replace the rest of the parts in this
regulator circuit and the
chopper?
This set was in another shop about a year ago for a new HOT.
I have not seen one of these where just one cap caused dead symptom..
Customer stated, before it died, the power button would have no effect, but the
volume buttons, channel
buttons and menu would all have erratic functions, some times turning the set
on/off, or sending the wrong
command.
They don't have the remote for this, so only symptom is from pressing the
buttons on the front control.
The front controls seem to be working for me.
This is a weird one...anything I should do before delivering this set, with the
REG circuit or front
controls?
Thank you.
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
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