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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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B+ voltage
im trying to fix a mitac L1450Pd monitor.
theres no picture but the heater is working and led is on. i measured voltage from the secondary side of the chopper and the + on the 160v cap. i get 152v. i then removed the HOT and placed a 240v 40w lamp across the collector and gnd. the lamp lit up. measured voltage again, still 152v. is this problem in the power supply or somewhere else? |
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