[TechAssist] Re: CPTK169PEB no rastor
- From: "Shoreline Electronics" <jstielau@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 28 Feb 2002 07:54:56 -0500
This case should help.
Loose Connections On And Broken Copper Trace At Resistor, R4703, Crt
Filament Line From Flyback Pin 5. Then Found R4703 (3.3 Ohm 3w) Was
Intermittently Opening.
Jeff Stielau
Shoreline Electronics Repair
125 Beech Tree Lane
Westbrook, CT 06498
860-399-1861
860-664-3535 (fax)
jstielau@xxxxxxxx
----- Original Message -----
From: "Terry Joseph Hutchison" <sony1@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, February 26, 2002 9:48 AM
Subject: [TechAssist] CPTK169PEB no rastor
>
> This set has HV and screen voltage. CRT filaments are not lite. Have
> checked database and looked for cracked trace paths(none). Crt drive
> transistors(Q1F) on each tube seem to be in a no load condition. I have
> 201 vdc on collectors, 5 vdc on emitters and .783vdc on base of each.
> Suspect that I am missing 10 vdc to base. Would appreciate any help.
> Terry
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