Geometry, convergence, purity and WinDAS/G2 white-balance adjustment on CRTs.
5 repair logs
+26 photosSony — PVM-6041Q
Removed copious dust from this Sony PVM-6041Q 6-inch professional video monitor, the smallest PVM in the collection. Reflowed solder joints and recapped the neck board, deflection board and PSU.
+31 photosSony — PVM-9041Q
9-inch Sony PVM-9041Q Trinitron that arrived in a flight case. PSU recapped, colour trimmer pots replaced, deflection board done alongside its 9045QD sibling.
+41 photosSuccessful repairSony — BVM-9045QD
Sony BVM-9045QD that arrived from Japan with an entire colour missing, the same broken neckboard solder joint that had plagued the PVM-14M4J. Full restoration followed: PSU, deflection board, colour board and anode cap all seen to.
+45 photosSuccessful repairSony — PVM-9040
Three 9-inch Sony PVM-9040s that arrived from Japan with customs drama. Monitors were fine inside, bar a known colour issue fixed by replacing the trim pots (which fixes the black-and-white-only fault). Full restoration across all three followed.
+42 photosSuccessful repairSony — CPD-G420
Geometry on this Sony CPD-G420 19-inch FD Trinitron PC monitor was off and it started clicking ominously during warmup. The fix turned out to be a G2 voltage calibration via WinDAS over serial, following a suggestion from the community.
