It seems to me, that you have damaged the IRS during install, or damaged any vias. I had the same problems in the beginning. Both og them are very very easy to damage. I will try next time, to solder the IRS with hot air. Heat the solder pads on the card, and then mount the IRS.
Maybe this will be better option as with an iron.
Even sometimes, when i solder them with a iron, and only three legs per time, they are sometime damaged. So i managed this, not to touch the legs with the iron, only the pads. This is at the moment the best way.
Maybe this will be better option as with an iron.
Even sometimes, when i solder them with a iron, and only three legs per time, they are sometime damaged. So i managed this, not to touch the legs with the iron, only the pads. This is at the moment the best way.
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Use an iron with very very sharp tip. Touch only one pad/leg at a time and apply minor portion solder/resin.
I use small 30W iron.
It takes more time than with a hot air station but i find it way safer.
I use small 30W iron.
It takes more time than with a hot air station but i find it way safer.
I find hot air mostly useless for installing ICs. I sometimes use it for resistors because they will self align on the pads but mostly used it for help heating terminals blocks and such.
Low power was mentioned. What's important is controlled temperature (true thermistor controlled, not just adjustable) AND the time on the terminals. Adding good liquid flux helps make the soldering almost instantaneous.
Low power was mentioned. What's important is controlled temperature (true thermistor controlled, not just adjustable) AND the time on the terminals. Adding good liquid flux helps make the soldering almost instantaneous.
