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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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Toshiba RPTV 61A61 dead; need info
This TV is from 2001. It is dead. When I turn on the TV, the
power_on LED in the front turns ON but nothing else happens (no sound, no picture). I went through the archive for this newsgroup and others. Most of the problems there dealt with the blinking led. Mine stays ON and does not blink. I checked a lot of voltages and components on the boards but couldn't pinpoint the problem without the schematic. All voltages seem reasonable (I think) - without the schematic and the service manual, it is hard to say what the exact voltages should be. Any suggestions are appraciated. I would also like to get a service manual or schematic. I will pay for the items ofcourse (Sears has the service manual for $55+S&H. I am hoping for a less expensive option). I have a technical background in Electrical Engineering. So should be able to understand the risks/language easily. Thank you for your help. bharat |
#2
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Toshiba RPTV 61A61 dead; need info
check your HOT and high voltege circuitry for shorts.
"bharat" wrote in message om... This TV is from 2001. It is dead. When I turn on the TV, the power_on LED in the front turns ON but nothing else happens (no sound, no picture). I went through the archive for this newsgroup and others. Most of the problems there dealt with the blinking led. Mine stays ON and does not blink. I checked a lot of voltages and components on the boards but couldn't pinpoint the problem without the schematic. All voltages seem reasonable (I think) - without the schematic and the service manual, it is hard to say what the exact voltages should be. Any suggestions are appraciated. I would also like to get a service manual or schematic. I will pay for the items ofcourse (Sears has the service manual for $55+S&H. I am hoping for a less expensive option). I have a technical background in Electrical Engineering. So should be able to understand the risks/language easily. Thank you for your help. bharat |
#3
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Toshiba RPTV 61A61 dead; need info
Try unpluging the convergence yokes at the converence board, if the set rund
than you either have bad convergence output ics or/and convergence yokes. "Mike" wrote in message ... check your HOT and high voltege circuitry for shorts. "bharat" wrote in message om... This TV is from 2001. It is dead. When I turn on the TV, the power_on LED in the front turns ON but nothing else happens (no sound, no picture). I went through the archive for this newsgroup and others. Most of the problems there dealt with the blinking led. Mine stays ON and does not blink. I checked a lot of voltages and components on the boards but couldn't pinpoint the problem without the schematic. All voltages seem reasonable (I think) - without the schematic and the service manual, it is hard to say what the exact voltages should be. Any suggestions are appraciated. I would also like to get a service manual or schematic. I will pay for the items ofcourse (Sears has the service manual for $55+S&H. I am hoping for a less expensive option). I have a technical background in Electrical Engineering. So should be able to understand the risks/language easily. Thank you for your help. bharat |
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