Re: Yamaha rxa2070 lost hdmi out 1 and in 1... :-(
I think that I got the smaller of the two chip mounted. It remains to be seen if there is an issue associated with the 3.3v type powers in the one corner.
Not looking forward to trying the larger, more pins and closer together on the other chip.
I can certainly see why "board swapping" is a regular technique for repair although I guess if one gets proficient at various solder techniques along with hot air and other tool (hot plate, oven), success is only a "board away"... :-)
One question, how would I know IF the ground pad on the bottom of the chip successfully bonded to the pad on the board... during the heating process, it is more than likely side array pins potentially may have soldered also stopping the chip from moving and thus one can't readily directly know that because the chip doesn't move, that it has successfully soldered to the ground pad.
I think that I got the smaller of the two chip mounted. It remains to be seen if there is an issue associated with the 3.3v type powers in the one corner.
Not looking forward to trying the larger, more pins and closer together on the other chip.
I can certainly see why "board swapping" is a regular technique for repair although I guess if one gets proficient at various solder techniques along with hot air and other tool (hot plate, oven), success is only a "board away"... :-)
One question, how would I know IF the ground pad on the bottom of the chip successfully bonded to the pad on the board... during the heating process, it is more than likely side array pins potentially may have soldered also stopping the chip from moving and thus one can't readily directly know that because the chip doesn't move, that it has successfully soldered to the ground pad.
Comment