hello,
this laptop tm-4150 has keyboard problem i changed the kb910 kbc controller but now the laptop does not come on i have changed 2 the kb910 also put orignal one still same problem. all the power light come on.
has anyone faced problem changing kb910 and after changing the kbc ic laptop goes dead. lamo anything on this

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repairs of laptops and selling of components

try to replace main battery with the known working one.

the 10k resistor value changed maybe due to extra heat while changing the ic .also the caps emi on the keyboard connector were leaky the keyboard also works.

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repairs of laptops and selling of components