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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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#1
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Toshiba 27AF46C H deflection
Hi all,
I'm having a problem with a Toshiba 27AF46C color TV. The TV blew at first, upon opening it I discovered 3 components visibly fried (circled on the graphic). (Fuse/resistor and Q410 open, D408 short) Upon replacing them the horizontal picture on the TV is not full screen and the H adjust from the service menu doesn't help. I was wondering if anyone has any suggestions on what could cause this my best guess is the snubber cap C412 but I am not very experienced with TV's although I do have the background electronics knowledge. Any help would be greatly appreciated. schematic @ http://ca.geocities.com/busterbrown1...rs.com/new.jpg TIA |
#2
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Toshiba 27AF46C H deflection
Hello,
Is there any specific reason why no-one is responding to this? Thx On Jul 24, 8:59 pm, wrote: Hi all, I'm having a problem with a Toshiba 27AF46C color TV. The TV blew at first, upon opening it I discovered 3 components visibly fried (circled on the graphic). (Fuse/resistor and Q410 open, D408 short) Upon replacing them the horizontal picture on the TV is not full screen and the H adjust from the service menu doesn't help. I was wondering if anyone has any suggestions on what could cause this my best guess is the snubber cap C412 but I am not very experienced with TV's although I do have the background electronics knowledge. Any help would be greatly appreciated. schematic @ http://ca.geocities.com/busterbrown....rs.com/new.jpg TIA |
#3
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Toshiba 27AF46C H deflection
This is not something that can be fixed with a straight foreword answer. The
set has to be properly troubleshooted. This will take an experienced service tech, with the service manual, and having the proper tools to take the measurements necessary. Your best bet, is to get the set over to a service centre and have it fixed correctly. -- JANA _____ wrote in message ups.com... Hello, Is there any specific reason why no-one is responding to this? Thx On Jul 24, 8:59 pm, wrote: Hi all, I'm having a problem with a Toshiba 27AF46C color TV. The TV blew at first, upon opening it I discovered 3 components visibly fried (circled on the graphic). (Fuse/resistor and Q410 open, D408 short) Upon replacing them the horizontal picture on the TV is not full screen and the H adjust from the service menu doesn't help. I was wondering if anyone has any suggestions on what could cause this my best guess is the snubber cap C412 but I am not very experienced with TV's although I do have the background electronics knowledge. Any help would be greatly appreciated. schematic @ http://ca.geocities.com/busterbrown....rs.com/new.jpg TIA |
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