PREMIUM Lenovo Ideapad 330 Black Screen... Fixed!!!

activa2r

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From cotech po galing na rin sa isang mall dito sa location ko..

Status pag press power switch aandar ang device pero black screen
caps lock not responding kaya black screen talaga hindi no display...

check voltages at may napansin ako sa 1.2v regulator ic medyo may galaw na..
checkk voltages at napansin ko 0.8v ng DDR out pitik pitik sa 0.4v then 0..

456572125_541592958217279_7439464292367612440_n.jpg

check schematic 2 resistor involve

3302.PNG

check resistance
R6102 6.04K ohms
R6103 dapat 10K pero 0 ohms na ibig sabihin ng open..
replace lang..

3302.PNG

456572125_541592958217279_7439464292367612440_n (1).jpg

and done..

1adac136-bd73-4bb1-b949-aa2c4bb78407.jpg

madaling nakita basta alam natin kung paano mag troubleshoot..
isang kuto lng ang problema pero kayang bumili ng 2 kabang bigas..
 
From cotech po galing na rin sa isang mall dito sa location ko..

Status pag press power switch aandar ang device pero black screen
caps lock not responding kaya black screen talaga hindi no display...

check voltages at may napansin ako sa 1.2v regulator ic medyo may galaw na..
checkk voltages at napansin ko 0.8v ng DDR out pitik pitik sa 0.4v then 0..

View attachment 36545

check schematic 2 resistor involve

View attachment 36546

check resistance
R6102 6.04K ohms
R6103 dapat 10K pero 0 ohms na ibig sabihin ng open..
replace lang..

View attachment 36547

View attachment 36548

and done..

View attachment 36549

madaling nakita basta alam natin kung paano mag troubleshoot..
isang kuto lng ang problema pero kayang bumili ng 2 kabang bigas..
Yang pag troubleshoot ang kailangan ko mapag trainingan boss
 
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