[TechAssist] Re: PTK 169PTC P60153EB reg. B+ too high shutsdown
- From: <tvservice@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 2 Feb 2004 09:04:29 -0600
Check R 4114 ,R 4148, R4115 and especially C4115 1000pf surface mount off
the base of Q4105
Robert
tvservice@xxxxxxxxxxxxx
H & H Electronics Inc
Dallas, TX
----- Original Message -----
From: "Larry E." <videotech@xxxxxxxxxxxx>
To: "tech-assist" <techassist@xxxxxxxxxxxxx>
Sent: Saturday, January 31, 2004 12:17 PM
Subject: [TechAssist] PTK 169PTC P60153EB reg. B+ too high shutsdown
> Hi Guys, I could definitely use some help on this PTK169, All standby
> voltages are correct,
> set starts to come up then immediately shutsdown, originally I replaced
> Cr4118 and C4102,
> set ran perfectly in shop, brought to customers house, and set wouldn`t
> start, set will start at
> approx. 80 volts on variac but I have to back it down immed. to 69 volts
> to keep it running,
> at this setting the run regulated voltage is already at 135 volts, of
> course if I try to increase the
> variac it shuts down. I have checked Y4301, CR4123, CR4401, CR4402,
> C4104, C4108
> C4401, C4402, C4406, I removed the anode lead from the splitter, still
> shutsdown immediately
> I`m lost at this point any ideas? tia, Larry E
> Larry Eastman
> American TV & Electronics
> Crystal River, Fl. 34428
>
>
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