[TechAssist] Re: CTC169BD5 dead power supply chirps
- From: "Webster TV" <webstertv@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 14 Sep 2004 21:13:26 -0500
Ken,
Did you check the voltage on diode CR4118? Located off of pin 3 of power
supply transformer. Should be 15v, if low replace diode(#164590).
Dan Webster
Webster's TV
Shullsburg, Wi.
----- Original Message -----
From: "Alltv" <alltv@xxxxxxxxxxxxx>
To: "Techassist@xxxxxxxxxxxxx" <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, September 14, 2004 7:30 PM
Subject: [TechAssist] CTC169BD5 dead power supply chirps
> Hi group,
> This set came in with shorted HOT and bad C4402. Replaced them and power
> supply chirps won't turn on. I checked and replaced regulator ic and the
> caps next to it. pin 16 on U4101 comes up to 10v when I lift the pin.
CR4122
> 3v zener also checked like leaky I replaced and no change.
> Please help
> thanks in advance
>
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> **********
> All TV Appliance Service
> Ken Dinckan
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