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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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Samsung TFT 931C Blank White Image
Hi.
Sorry my English. I have a TFT Samsung 931C Monitor. With or without signal, the image is full bright white. The 15V and 5,1V are fine. Can anyone help me please? Ulmar |
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#2
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Samsung TFT 931C Blank White Image
On Thu, 23 Apr 2009 15:46:30 +0100, "testeulmar"
wrote: Hi. Sorry my English. I have a TFT Samsung 931C Monitor. With or without signal, the image is full bright white. The 15V and 5,1V are fine. Can anyone help me please? Ulmar Your English is acceptable. This is often caused by a blown fuse in the electronics section of the LCD panel itself. Follow the cables from the 'logic board' of the monitor. They go to a circuit board under a thin metal cover. This board provides the address drive signals for the individual pixels. Look for a surface mount fuse on this board. PlainBill |
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#3
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Samsung TFT 931C Blank White Image
Thanks Thanks Thanks. THANKS PlainBill
The fuse is open (F1). I Change it. But it falls again. I detect that are a transistor (Q1) that is in shot-circuit. I can read the reference...  Anyone know its reference? Thanks in advance. "PlainBill" escreveu na mensagem ... On Thu, 23 Apr 2009 15:46:30 +0100, "testeulmar" wrote: Hi. Sorry my English. I have a TFT Samsung 931C Monitor. With or without signal, the image is full bright white. The 15V and 5,1V are fine. Can anyone help me please? Ulmar Your English is acceptable. This is often caused by a blown fuse in the electronics section of the LCD panel itself. Follow the cables from the 'logic board' of the monitor. They go to a circuit board under a thin metal cover. This board provides the address drive signals for the individual pixels. Look for a surface mount fuse on this board. PlainBill |
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