Re: HP no power (chip level) help!!
Sorry for late reply, the PU301 is overheating and the voltage reads at each pin at s0(off) are :
(v)
1 1.2
2 no reading (0.019)
3 2.1
4 2.1
5 0.3
6 1.1
7 3.5
8 3.5
9 8.5
10 3.3
11 3.3
12 0
13 3.1
14 2.1
15 0(ground)
16 12
17 5.3
18 5.3
19 0
20 5.3
21 5.1
22 10
23 0
24 5.3
Tell me if anything is wrong with the readings
atiqfajar
Member
Last Activity: 12-14-2016, 09:31 PM
Joined: 10-31-2016
Location: Perak
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Re: HP no power (chip level) help!!
@keeney i couldn't tell which is B+ or anything because in the schematic, there is no guide like the pq102 or pu etc... ThanksLeave a comment:
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Re: HP no power (chip level) help!!
Thanks @mielta.. but i don't quite know how to use the schematic... Because this is my first time attempting fix at chip level
@dreamer_x_x the coil near the overheating chip is around 1600++ ohm.. so i assume no short.. thanksLeave a comment:
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HP no power (chip level) help!!
Hello,
my laptop hp-cq41 has stopped working recently so i've try alot of solution but it seems like not to work...
symptoms : - split second light
- no power
i have attached some image that might help to find the problem
on number 1 box, on s0 state, it is quite hot but other component like cpu, gpu and bridge seems not working
on number 5 box, there is some voltage drop at the output pin... from 3v to some 1v-ish
Any solution is welcomed
TY for your time... help me find... -
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