SOURCE: Toshiba TV 50HX81
Check fuses on Power Supply board (F850, F851, F852) and all other fuses. Replace blown fuses (will need an ohm meter to check fuses). I would also replace the two convergence amps (STK392-110's on the signal board, the big black ICs on the two heat sinks). This worked for me.
SOURCE: toshiba p25... this unit will not power up. when
hello...if you have extra ATX power supply can you try to replace then try to boot the unit if not working u need to try and remove board inside the casing and try to test only,Mother Board,Memory,Video Card And Power Supply of curse..thanks...^_^
SOURCE: have a toshiba 4600 and the power wont come on.
probably a fried motherboard it costs alot for a new one. any questions you can email me at [email protected]
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SOURCE: toshiba a215-s5837 problem, ac light only flashes
You may have a bad battery. Many times laptops will not work if the battery is faulty. The first step would be to replace the battery with a new one.
Second Step: If the battery is working, then you may have a faulty AC power supply. It may be enough power being brought to power up the LCD light, but not the computer.
Third Step: Yoru mother board circuitry could be bad in the sense that some circuits are broken or the power conduit is not supplying the power to the rest of the circuits on the board.
If you are not a professional and able to troubleshoot in this manner after testing the batter and AC power supply, then I would suggest taking the laptop to a store for them to test the circuitry flow of the mother board.
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SOURCE: I have a toshiba regza 32LV67U LCD TV TV/DVD combo. Disc light keeps flashing
CONGRADULATIONS!
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