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Earliest example of PbF ?

N

N_Cook

Jan 1, 1970
0
Previous earliest I've personally come across was a Yamaha RS7000
sequencer, 2001 ,
too early to mention the likes of RoHS or PbF etc anywhere on that.

This time a Roland DB500 from 1999, the solder joints hazing over if you
admix with leaded solder. Or is it some other solder formulation that
can give a PbF+SnPb solder sudden-cooling + hazing appearance?

I know it all started coming in , in Japan firstly.Japan passed the
Electric Appliance Recycling Law, April 2001.
And the soldering on every aspect of Sony's DCR-TRV 30 digital camcorder,
released in March 2001, is "99.7% lead-free, including all supplied
accessories".
 
N

N_Cook

Jan 1, 1970
0
Anyone know what the Tick N225 compliance mark means, again on the back
of an amp with dodgey solder.
Latest component datecode 9940 and a pcb "7 segment" overlay date of 9945
 
N

N_Cook

Jan 1, 1970
0
I assume the circuit boards were populated+soldered in Japan, although
only reference to designed by Roland Corp USA on the rear of the Amp
 
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