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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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All the 3 caps blown up in the Graphic Card !
I have this GF-8600 Graphic cards which has 4 1500mf 6.3v out of
which 3 caps have blown up. Should I change the same type or get caps say more than 6.5v or bigger than 1500mf ? The originals are soldered with a higher temp. than my soldering Iron can handle. I am thinking of soldering the new ones at the back with ordinary solder, and leave the original as it is. Thanks for your help. |
#2
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All the 3 caps blown up in the Graphic Card !
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... I have this GF-8600 Graphic cards which has 4 1500mf 6.3v out of which 3 caps have blown up. Should I change the same type or get caps say more than 6.5v or bigger than 1500mf ? The originals are soldered with a higher temp. than my soldering Iron can handle. I am thinking of soldering the new ones at the back with ordinary solder, and leave the original as it is. Thanks for your help. Probably not higher temp solder, but the heatsinking effect of a ground plane in the pcb |
#3
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All the 3 caps blown up in the Graphic Card !
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#4
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All the 3 caps blown up in the Graphic Card !
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#5
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All the 3 caps blown up in the Graphic Card !
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#6
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All the 3 caps blown up in the Graphic Card !
wrote: I have this GF-8600 Graphic cards which has 4 1500mf 6.3v out of which 3 caps have blown up. Should I change the same type or get caps say more than 6.5v or bigger than 1500mf ? The originals are soldered with a higher temp. than my soldering Iron can handle. I am thinking of soldering the new ones at the back with ordinary solder, and leave the original as it is. Higher voltage or higher capacitance won't help but means capacitors that are bigger, maybe too big to allow another card to be plugged into the slot next to the video card. With a lead-free solder, adding 60/40 tin/lead solder and sucking it up can lower the melting point enough so you can unsolder with a 40W iron. But I sometimes cut the capacitor on the top side so each of its leads can be removed separately. Is this an EVGA brand garphics card? They sold many with capacitors that looked like solid polymers but were actually regular wet electrolytics (slits on top were barely visible until the caps swelled), and pretty bad Sacon brand at that. Later version EVGA cards substituted Sam Young brand capacitors, which were better but would still fail from prolonged heat, and later they switched most of those to Panasonics. |
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