Re: Vaio VPCSB2M9E/PCG-41218M dead after drop
I didn't. I confirm, F1 is blown in my board too. Thanks.
I didn't. I confirm, F1 is blown in my board too. Thanks.
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Re: Vaio VPCSB2M9E/PCG-41218M dead after drop
Your initial problem was that the charger wasn't sending ACOK signal to EC IC. Probably you created a short on the 19v line and blown the fuse.
The short is still there because you have a short on pins 19 and 20 of charger ICLast edited by atsio; 04-23-2014, 03:13 AM.Comment
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Re: Vaio VPCSB2M9E/PCG-41218M dead after drop
The short on 19v line was coming from the main board, solved after replacing shorted capacitor. This is what probably has blown the fuse. I no longer have a short between pins 19 and 20 but ever since it occurred, I have sparks coming from image markings.Galaxy S6 Edge x2 (Gold&White)
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Re: Vaio VPCSB2M9E/PCG-41218M dead after drop
What do you mean with "image markings"?Comment
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Re: Vaio VPCSB2M9E/PCG-41218M dead after drop
If I understand correctly, sparks on pins 19,20 of charger and the 2 resistors. Can you post pictures from the top but clean thoroughly the area before doing that?Last edited by atsio; 04-23-2014, 05:12 AM.Comment
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Re: Vaio VPCSB2M9E/PCG-41218M dead after drop
I have those pics in my earlier posts. Yup, you understood correctly.Galaxy S6 Edge x2 (Gold&White)
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Re: Vaio VPCSB2M9E/PCG-41218M dead after drop
I needed an new clean one to see the lines of the two resistors. Did you solder the charger ic with hot air or hot iron?Comment
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Re: Vaio VPCSB2M9E/PCG-41218M dead after drop
Hot air, I can't even imagine soldering such a tiny IC with a iron. Can't go back in time to get a clean photo, sorry. Don't feel bad atsio, I do assume I still make mistakes. In this case, I might have bitten more than I could chew soldering such a tiny IC in such a crowded board.Galaxy S6 Edge x2 (Gold&White)
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Re: Vaio VPCSB2M9E/PCG-41218M dead after drop
With all IC's, if I solder them by hot air, in the end I use the iron to be certain that the connections to the pads are solidComment
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Hello,
Dell Latitude 5420 P137G
Board: LA-K491P REV A01
I have received this laptop which was described as "does not power on or accept charge." Battery shows no sign of charging when charger is plugged in, nor does the board show any signs of life when battery is unplugged and charger is plugged in. No light from the LED at all or any other indications of activity.
Board seems to have no shorts, all power rails are fine and show high resistance.
When charger is plugged in, voltage is present in 3.3V rail but absent in others.... -
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Hi, I have a Dell Inspiron 7567 LA-D993P that I've just got running.
There was corrosion around PU1503 which shorted PC1518 & blew PL1504. (Reference pictures attached)
I've replaced PC1518 & PL1504 & the laptop is now running however I now have another issue.
Here are the tested scenarios:
1. With the laptop running on battery, I plug in the 150W charger & the charger shuts off (no LED, protection mode) but the laptop remains running on battery.
2. With the laptop off, plug in charger (LED says on) & the front charging...
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