[TechAssist] Re: RCA TV model F32672SB, CTC187CL3, Regulator IC runs very hot (U4101)--Any ideas???
- From: peggs <peggs@xxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 30 Jul 2002 09:35:43 -0500
Check any caps in the PS Primary,or
Also try OEM parts...
Peggs
At 05:09 PM 7/29/02 -0700, you wrote:
>
>Set came in with the reg. IC U4101 (STK 730-150) shorted. Replaced with the
>same, but the IC only lasted 20 min. before it shorted. Replaced it again
>with STK 730-030 and CR4106 (130V diode) and also found R4126 (30K off raw
>B+ primary side).
>Ran set for 4 hours and it works ok, but Reg. heatsink is very, very hot. I
>am a little afraid it will fail again. Anyone have an idea??
>
>Thanks for your help,
>
>Dave
>Precision Electronics
>101 W 8th Ave.
>Johnson City, TN 37604
>PrecisionElectronics@xxxxxxx
>
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