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Samsung Galaxy A5 - Does not charge, does not connect to the computer

kanar2306 4230 19
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  • #1 16737181
    kanar2306
    Level 17  
    I warmly welcome...
    I had a damaged SIM card slot in the Galaxy A5. I managed to get it and now everything works, the SIM card sees etc. but charging does not work and does not connect to the computer. USB socket clean. I noticed that one element is damaged by the SIM card slot. Can it be the reason that it doesn't load ?? Everything else works without a problem. I marked this element on the second picture with a red circle ...
    Thank you in advance for your help...
    Samsung Galaxy A5 - Does not charge, does not connect to the computer Samsung Galaxy A5 - Does not charge, does not connect to the computer
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  • #2 16737200
    Pedros050
    Level 43  
    Hello. Clearly you can see that this SMD Chip is damaged. It may be doing some short circuit.
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  • #3 16737205
    kanar2306
    Level 17  
    I thought so too. So I have to replace the whole motherboard ??
  • #4 16737209
    Pedros050
    Level 43  
    In your place I would do that. Look for the whole functional board for A5 and the phone will be like new.
  • Helpful post
    #5 16737267
    sylweksylwina
    Moderator of Computers service  
    Without exaggeration, probably just replace the SIM slot and the system, which probably has been mechanically damaged.

    Take measurements on the L7000 and C7002 as the coil has no voltage probably a problem with the USB board, as it is on the coil, and there is no U7002 on the capacitor to replace - that is, the circuit that is chipped in your case.
    Samsung Galaxy A5 - Does not charge, does not connect to the computer
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  • #6 16739137
    kanar2306
    Level 17  
    I took measurements and on the L7000 I have 4.9V and on the C7002 unfortunately 0V. So U7002 for replacement ... Unfortunately, I can't do it without the right equipment ....
  • #7 16739141
    sylweksylwina
    Moderator of Computers service  
    Take it to the website, you will probably pay less as for a new CD.
  • #8 16739149
    kanar2306
    Level 17  
    The problem is that I'm in Germany and here they will probably want to replace the whole disc and not play in replacing the system ....
  • #9 16739160
    sylweksylwina
    Moderator of Computers service  
    Unless you find an expert enthusiast or an individual from the phone like specialists who weld from two cars one :)
  • #10 16739173
    kanar2306
    Level 17  
    I think I will win here much sooner than I will find someone like that :)
  • #11 16742215
    kanar2306
    Level 17  
    What should the voltage be on C7002 ??
  • #12 16742283
    sylweksylwina
    Moderator of Computers service  
    How well I remember 5V, but now I will not check.
  • #13 16742474
    kanar2306
    Level 17  
    And how to bypass this system and apply voltage from the coil to the capacitor?
  • #14 16742554
    sylweksylwina
    Moderator of Computers service  
    I do not recommend combining, probably the phone will not charge without the appropriate signals.
  • #15 16742566
    kanar2306
    Level 17  
    If anything, the disc will be replaceable. I might risk it. :-)
  • #16 16748436
    kanar2306
    Level 17  
    I made a bridge between the coil and the capacitor. When the phone is switched off, after connecting the charger a large battery icon will appear and after a while it will go out, in a moment it will show up again and go off. Over and over again. With zero response turned on, that is, it did nothing. Replacement plate ....
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  • #17 16787812
    kanar2306
    Level 17  
    Welcome back...
    I was able to arrange the motherboard and everything is ok but if the display goes out and then I press the on button on the side then the display will only show a green line at the top, the second time I will press the button on the side then it will turn off again and the third time I will press it the display is working normally ... And so every time ... Unfortunately I'm not sure if it was the same on the old motherboard, it has already gone to the trash ... Could it be the fault of the display ??
  • #19 16787872
    kanar2306
    Level 17  
    Well, I thought about the tape but I do it very gently, I do not move the phone at all, just press my finger on the button and each time it will turn on after the third press. After the first only green line.
  • #20 16787905
    Pedros050
    Level 43  
    The display starts to fall apart.
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Topic summary

The discussion revolves around a Samsung Galaxy A5 that is experiencing issues with charging and connecting to a computer after a damaged SIM card slot was repaired. Users identified a damaged SMD chip as a potential cause of the charging failure, suggesting that replacing the entire motherboard might be necessary. Some responses recommended replacing the SIM slot and checking specific components (L7000 and C7002) for voltage issues. The author later confirmed a voltage of 4.9V on L7000 but 0V on C7002, indicating a problem with the USB board. Attempts to bypass the damaged system were discouraged, and the author ultimately replaced the motherboard. Post-replacement, the display showed a green line upon startup, leading to further inquiries about potential display issues.
Summary generated by the language model.
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