Hello!
I Just signed up for the forum.
I am also fairly new to all this so I apologize in advance if I say something silly but I'll try my best.
I have a 2010 mpb with this motherboard. I found the youtube channel for some months now and I was very glad when I finally saw this new complete repair video on this board....so I did scrape the board to fit a new electrolitic cap (C9560). It took several attempts until I managed to get it flat on the board I am a newbie and I had very little experience with my equipment......
But the board still does the gpu panic and a new issue too: the screen has that strong green tint instead of the blacks.
So I troubleshooted quite a lot. I suspect that these two issues are not connected.
Anyway first: the green screen problem:
Checked, cleaned the LVDS connection. It seems to be fine.
I pushed, wigled, tapped the machine at almost at every area and the conclusion:
When it comes to moving or tilting pushing the screen nothing changes.
But when I lightly push the motherboard at a certain areas the green goes away: Mainly at the bottom of the left fan down until on the trackpad, keyboard and battery connectors and also on the top of the ram slots.
I rad what Louis said about this issue and how easy is to mess up the ram slots esp the bottom bga one.
I realized that I made some mistakes when I was working: I left the ram sticks all the time in the board.
So I tried only using the top slot, then bottom one, trying other sticks. Nothing changed. Also the machine will not freeze when tap or push on the top of the slots. So I am suspecting that the slots are not damaged.....
I also tried with and external tv and it works perfectly without green tint.
And secondly the kernel panics.
I did measure the power rails. (I should have done it before I started everything, but I was a careless, impaitent, stupid newbie)
Everything seems fine, except when it comes to the gpu rails:
PP1V8R1V55_S0GPU_ISNS_R (on what C9560 is) is 1.5 volts. It should be 1.8 right? (hope I understand the schematic and your video explanations about this)
in the same way PP1V8R1V55_S0GPU_ISNS is 1.5V too...
PPVCORE_GPU is 0.8 V instead of 1 V (just in case this is relevant too)
Okay what I am speculating is that maybe I burned that poor cap too many times and it got damaged.....or something else got burned or messed because I used the hot air improperly. I did a lot of visual checking but I could not see anything ugly or loose so far.....
So I am clueless now....and also kind of sad cause this is my main computer and I can barely use it this way (esp with the green tint).
THANKS in advance for any advice!!!
I Just signed up for the forum.
I am also fairly new to all this so I apologize in advance if I say something silly but I'll try my best.
I have a 2010 mpb with this motherboard. I found the youtube channel for some months now and I was very glad when I finally saw this new complete repair video on this board....so I did scrape the board to fit a new electrolitic cap (C9560). It took several attempts until I managed to get it flat on the board I am a newbie and I had very little experience with my equipment......
But the board still does the gpu panic and a new issue too: the screen has that strong green tint instead of the blacks.
So I troubleshooted quite a lot. I suspect that these two issues are not connected.
Anyway first: the green screen problem:
Checked, cleaned the LVDS connection. It seems to be fine.
I pushed, wigled, tapped the machine at almost at every area and the conclusion:
When it comes to moving or tilting pushing the screen nothing changes.
But when I lightly push the motherboard at a certain areas the green goes away: Mainly at the bottom of the left fan down until on the trackpad, keyboard and battery connectors and also on the top of the ram slots.
I rad what Louis said about this issue and how easy is to mess up the ram slots esp the bottom bga one.
I realized that I made some mistakes when I was working: I left the ram sticks all the time in the board.
So I tried only using the top slot, then bottom one, trying other sticks. Nothing changed. Also the machine will not freeze when tap or push on the top of the slots. So I am suspecting that the slots are not damaged.....
I also tried with and external tv and it works perfectly without green tint.
And secondly the kernel panics.
I did measure the power rails. (I should have done it before I started everything, but I was a careless, impaitent, stupid newbie)
Everything seems fine, except when it comes to the gpu rails:
PP1V8R1V55_S0GPU_ISNS_R (on what C9560 is) is 1.5 volts. It should be 1.8 right? (hope I understand the schematic and your video explanations about this)
in the same way PP1V8R1V55_S0GPU_ISNS is 1.5V too...
PPVCORE_GPU is 0.8 V instead of 1 V (just in case this is relevant too)
Okay what I am speculating is that maybe I burned that poor cap too many times and it got damaged.....or something else got burned or messed because I used the hot air improperly. I did a lot of visual checking but I could not see anything ugly or loose so far.....
So I am clueless now....and also kind of sad cause this is my main computer and I can barely use it this way (esp with the green tint).
THANKS in advance for any advice!!!