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Platform : Amb-A Try to turn the laptop from a laboratory power supply with setting the supply voltage is 21 volts and a current of 4. Remove the cmos battery , short-circuit kontakty , try to boot without the cmos battery , and then together with her.
Voltages at G pins : 1. Bios -redamp? Separately from the battery work? The battery is charging? Tested whether replacing with a known good components : cpu , ddr?
Try to turn on the laptop with one module DDR separately in each slot. Tested Whether Replacing with A Known good components: cpu, ddr? But your suggestion to check the above components, is likely to put me on the right track!
It is through this contact output PWM determines that the processor has a normal contact with the case a common ground wire. You can try to set the values VID0-VID6 manually at a certain value and to compare the received voltage with a voltage in the Datasheet.
Does this code error pinpoint any failure? Read here : link link link. Recommend , install, post-map in different working laptops and record post-codes, or create a video pass codes. Doing it for further analysis in the repair. So in the future will be easier. Also, In Schema and Manual I dont see any indication! Thank you for the bios codes links, I knew only bios central, the 2 other links are very useful. I got the idea of making my own database for post-codes of working laps, but creating video pass codes this is very interesting so thank you for the recommendation.
I'm not sure you can check this PWM without a processor. You need to carefully read the Datasheet. If there is, it's faster to install a known working PWM. If not available , then ordered. If anything , it will be useful for the future. When the shutdown of the laptop disappears, only the voltage on the CPU?
What are the voltages on the Board are still working? Y're right it's 0. Already, 1. Processor with only one phase is not working! How can we set socket processor to perform disconnection of one phase differently? Isn't it? It's low and should be so, I think!!
A resistor divider where the upper resistor is connected to VCC, the lower resistor NTC thermistor is connected to GND, and the center point is connected to this pin and acts as a temperature sensor half bridge. I think this signal must be low level I think the diagram incorrectly drawn. What voltage? Standard voltage? Multimers you have is working? In any points of the circuit has a data voltage?
Maybe try to delete this pin to the ground? Strange voltage. Y're right, voltages found with my digital multimeter are indeed strange! Measured voltages with my analog multimeter found correct voltages :. Will confirm tomorrow after checking a working Toshiba L whether this signal should be normally high or low.
This signal should be generated when the ADP Add Failing Toshiba tested with debug card, code stops at 78 -Bios is InsideH20 , didn't find meaning of this code? Add Failing Toshiba tested with debug card, code stops at 78 -Bios is InsideH20, didn't find meaning of this code? To throw this laptop in the garbage.
I think it's better for me to take a great breath before resuming the repair of this crazy Toshiba lap!!! Will move on other repairs, and give feed back on Toshiba in some days. If problem is not solved, thereafter,. I 'll agree then, that'll be the best way to solve definitely the issue!!
It made me feel I'm dealing rather with a cool friend than an Administrator and Owner of the forum. Toshiba was returned to customer without repair on his request.
Toshiba L shuts down after 2 seconds display. Platform : Amb-A03 All voltages and signals are ok. Any suggestion as where to dig further should be of a great help! Thank you. Oh, I just realized that you reply to my last post. And run the laptop on each phase separately. Replace the North bridge To throw this laptop in the garbage. This topic can be closed. Thank you for your good support.
Platform : Amb-A Try to turn the laptop from a laboratory power supply with setting the supply voltage is 21 volts and a current of 4. Remove the cmos battery , short-circuit kontakty , try to boot without the cmos battery , and then together with her. Voltages at G pins : 1. Bios -redamp? Separately from the battery work?
Toshiba Laptop Bios Views. We are believing in reviving the technology and making minimum electronics waste, as our field is computers and laptops we are here trying to provide as much stuff as possible for free to make our contribution. At this platform you can download confirm and tested bios files, schematics and other relative material to make it possible to repair. Here you can download bios and other stuff for free, without any registration required. Bios which is basic input out system and is advanced into UEFI unified extensible firmware interface ,is program which contains communication protocols between different ICs and also contains hardware initialization processes to safely start a computer system, it also manages power flow to different motherboard parts and senses temperature and detects peripherals.
Toshiba Satellite L300 / L305 / L350 / L355