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| IC socket repair or replacement for MiniPro EPROM programmer |
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| Mp3:
Hi everyone, i have a Minipro TL866CS that is about 2 years old and gets tons of use day in and day out..... for a while now it has been getting worse about not detecting chips properly, or failing to write to chips until i seat the chip just right. 100's of chips have been thru it over the years so i know it's dirty in there..... Do these open up and have anything that i can clean and put back together or should i get a new one and toss this? I have a feeling i should be able to clean or replace the IC socket itself, so im hoping for good news! Thanks all |
| Gyro:
Yes, those sockets do open up (just the two screws on the top). The middle plastic layer slides lengthways by cam action of the lever. With the top and slider removed (there is a small metal plate that the lever bar pivots against, don't lose it), the contact spring pairs are fully exposed. Drawing IPA or suitable solvent soaked paper between the contact tips should hopefully clean them. I don't think the contacts are plated, they're more like phosphor bronze on the original Textool ones from memory (Chinese ones might be steel though!). You might also want to check the solder joints on the PCB - bending stresses tend to extend down to the pins, which are just extensions of the contact springs. |
| CZroe:
Get some dielectric grease (bulb grease) in there. Not joking. The stuff works wonders. They sell it at the checkout from any auto parts store. |
| Gyro:
That depends on whether you intend to solder the ICs in afterwards without solvent cleaning. :-\ |
| edavid:
--- Quote from: CZroe on March 18, 2019, 07:13:17 pm ---Get some dielectric grease (bulb grease) in there. Not joking. The stuff works wonders. They sell it at the checkout from any auto parts store. --- End quote --- Strongly disagree! You don't want grease on your chip pins. |
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