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Old 03-14-2022, 06:38 AM   #1
Kashi1712
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Join Date: Jan 2017
City & State: Brussels
My Country: Belgium
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Default PSP Go - No backlight - fuse shorted (keeps shorting)

Hello all,

I have a PSP Go that is working perfectly on TV but nothing is displaying on internal display.

Screen is new, cable screen also.

I did jump the fuse (see pictures) with no luck.

When measuring on both side I get 1.29v on left side and 3.74v on right side. I do think that the 3.74v is fine but not the 1.29v. I've done some measuring around and found 2 caps that are shorting to ground (low impedance, but should be fine with readings 28.9ohms) but have no clue of where they are going.

I'm thinking that the 44c019 chip is maybe faulty?

If somebody has an idea, it would be really helpful ! Thanks !
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File Type: jpg IMG_20220314_132135 (voltage).jpg (598.9 KB, 9 views)
File Type: jpg IMG_20220314_132139.jpg (700.7 KB, 9 views)
File Type: jpg IMG_20220314_132827-shorted.jpg (601.8 KB, 7 views)
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Old 03-26-2022, 10:50 AM   #2
Kashi1712
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City & State: Brussels
My Country: Belgium
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Default Re: PSP Go - No backlight - fuse shorted (keeps shorting)

ok, solved, problem was that fuse was in a bad state and made a connection to the component next to it. Removed and placed a new one solved finally the problem. Thanks !
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