[TechAssist] Re: Toshiba CZ27V51 CRT Neck ARCING

  • From: Bil Green <tv.vcrrepair@xxxxxxxxxxx>
  • To: Ed Gaidies <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 19 Dec 2003 14:00:32 -0800

Thanks Phillip, Walter and Ed

Sure enough, the filaments were open. Didn't expect the CRT in this
case. And when I broke the end off the CRT neck there was barely a
swooshing sound, not much air rushing in.



-- 
Best regards,
 
 Bil Green 
 2001 TV VCR
 Mammoth Lakes, CA 93546
 760-934-2001                           mailto:tv.vcrrepair@xxxxxxxxxxx

Friday, December 19, 2003, 1:11:15 PM, you wrote:

EG> Sounds like shorted CRT.

EG> -Ed-

EG> Ed Gaidies
EG> Tel-Tek Electronics.
EG> Ontario-Canada

EG> teltek3@xxxxxxxxxxxx 

EG> -----Original Message-----
EG> From: techassist-bounce@xxxxxxxxxxxxx
EG> [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Bil Green
EG> Sent: December 19, 2003 3:39 PM
EG> To: .TECHASSIST @ freelists . org
EG> Subject: [TechAssist] Toshiba CZ27V51 CRT Neck ARCING

EG> Toshiba 27" TV
EG> Model CZ27V51
EG> Chassis TAC 9911

EG> R216 is smoking

EG> Set stays on for a fraction of a second, purple arcing inside CRT
EG> (around G2 or focus electrodes)

EG> With the CRT socket removed the whole neck lights up pale yellow
EG> instead of purple. As if the filaments were receiving 15V instead
EG> of 6V (of course the CRT socket is removed so that's not possible).

EG> R216 is still smoking with the CRT socket removed

EG> No time to measure voltages

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