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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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Dark image on IBM G54 (IBM m# 6546-6BN)
IBM m# 6546-6BN
SVGA monitor Failure symptoms: Image on screen is very dark (brightness and contrast on max posiston) FBT Samsung M36QAM351X1415 Maybe someone knows how to enter service menu on IBM G54 (6546), haw to adjust sub brightness. Thanks Miki -------------------------------------------------------------------------------- |
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Dark image on IBM G54 (IBM m# 6546-6BN)
If the picture tube is a Samsung "Blue Label" tube, it is probably bad.
These tubes do not have a long life. Try turning the screen control on the high-voltage (flyback) transformer up a little. This is usually the bottom control on the side of the flyback transformer (the black transformer with the red wire going to the top of the picture tube). John ) wrote in message . com... IBM m# 6546-6BN SVGA monitor Failure symptoms: Image on screen is very dark (brightness and contrast on max posiston) FBT Samsung M36QAM351X1415 Maybe someone knows how to enter service menu on IBM G54 (6546), haw to adjust sub brightness. Thanks Miki -------------------------------------------------------------------------------- |
#3
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Dark image on IBM G54 (IBM m# 6546-6BN)
If the picture tube is a Samsung "Blue Label" tube, it is probably bad.
These tubes do not have a long life. Try turning the screen control on the high-voltage (flyback) transformer up a little. This is usually the bottom control on the side of the flyback transformer (the black transformer with the red wire going to the top of the picture tube). John ) wrote in message . com... IBM m# 6546-6BN SVGA monitor Failure symptoms: Image on screen is very dark (brightness and contrast on max posiston) FBT Samsung M36QAM351X1415 Maybe someone knows how to enter service menu on IBM G54 (6546), haw to adjust sub brightness. Thanks Miki -------------------------------------------------------------------------------- |
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