[TechAssist] Re: RCA CTC187 Chassis - Regulator Feedback Question
- From: "Barry Thompson" <barrystv@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 14 May 2004 00:58:12 -0400
B+ in standby will be 150 volts. run 140 volts.check it in standby,if high
change C4123 R4125 in feedback.These parts will always check ok.If you
have -40 volts on pin 1 the ic is usually ok.
barrystv@xxxxxxx
Barrys TV
Ottawa Canada
----- Original Message -----
From: "David Lessard" <mr_fixit@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, May 13, 2004 2:17 PM
Subject: [TechAssist] RCA CTC187 Chassis - Regulator Feedback Question
> What resistors/capacitors could cause +B to rise to 150VDC? I thought +B
> was 140VDC on this chassis. Could the extra 10VDC cause the HOT to fail
> after 30 minutes?
>
>
> Thanks in advance.
>
>
>
> David Lessard
>
> Alexandria Electronics
>
> 50 Harrison Street
>
> P.O. Box 1366
>
> Alexandria, Ontario.
>
> Canada
>
> K0C-1A0
>
> mr_fixit@xxxxxxxxxxxx
>
>
>
>
>
>
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