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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Zenith TV
I working on Zenith TV model SL2773W.Picture is brightness no
regulate.Across the picture white lines.When I adjust G2 voltage to the normal between 350 and 400V picture start blinking and TV try to switch to protection mode.So I left G2 voltage on minimum (around 130V) I suspect the CRT.Is somebody has the similar problem with this model of Zenith? Thanks |
#2
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Zenith TV
About 70% or so of all Zenith tv's and Citizen tv's made by Zenith
since around 1992 till now have defective picture tubes that cause either a defective green gun giving you bright green screen or a G1 short causing the power supply to become defective: http://www.iwaynet.net/~nesda/Zen90.html either way 70% of them or so have a defective crt and many are only a couple of years old,I tell the customer that an average tv should last over 12 years and I give my customers Zenith's phone number and I tell them to complain to them: LG ELectronics (Zenith/Goldstar) Alabama,USA Ph:1-800-243-0000 I have had at least 100 customers call Zenith and complain about those garbage crt's. |
#3
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Zenith TV
What you describe is a classic crt failure of Zenith.
"Sidney" wrote in message om... About 70% or so of all Zenith tv's and Citizen tv's made by Zenith since around 1992 till now have defective picture tubes that cause either a defective green gun giving you bright green screen or a G1 short causing the power supply to become defective: http://www.iwaynet.net/~nesda/Zen90.html either way 70% of them or so have a defective crt and many are only a couple of years old,I tell the customer that an average tv should last over 12 years and I give my customers Zenith's phone number and I tell them to complain to them: LG ELectronics (Zenith/Goldstar) Alabama,USA Ph:1-800-243-0000 I have had at least 100 customers call Zenith and complain about those garbage crt's. |
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