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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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Need Help: Sony STR-S255 Receiver - no LCD Tuner display
Hi,
I have a Sony STR-S255 Receiver that has no LCD display or backlights. The main voltages +12,-12, +57 and -57 volt lines are okay. I have no schematic presently and I wondered if anyone has seen this problem that may have a solution. Any help is appreciated. Thanks. R |
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Need Help: Sony STR-S255 Receiver - no LCD Tuner display
suzuki wrote:
Hi, I have a Sony STR-S255 Receiver that has no LCD display or backlights. The main voltages +12,-12, +57 and -57 volt lines are okay. I have no schematic presently and I wondered if anyone has seen this problem that may have a solution. Any help is appreciated. Thanks. R Does the receiver work otherwise? Is it really an LCD, or is it a VFD, or LED? Which one it is makes a big difference on how to trouble shoot it. -- Andy Cuffe |
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Need Help: Sony STR-S255 Receiver - no LCD Tuner display
Hi Andy,
Yes the receiver works. Tuner selection and amplifier works. Input selection lights work (tuner,cassette, etc). I can not see the tuner LCD display and backlights behind LCD display are not illuminated. There is also a light on the center front panel for the power amplifier that is not lit either. I believe it should be lit during normal operation to show the amplifier is on? Thanks Roy Andy Cuffe wrote in message ... suzuki wrote: Hi, I have a Sony STR-S255 Receiver that has no LCD display or backlights. The main voltages +12,-12, +57 and -57 volt lines are okay. I have no schematic presently and I wondered if anyone has seen this problem that may have a solution. Any help is appreciated. Thanks. R Does the receiver work otherwise? Is it really an LCD, or is it a VFD, or LED? Which one it is makes a big difference on how to trouble shoot it. |
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