Hello,
Eurolive Active speakers from Behringer suffers of bad power supply/Amp design, if you open up the back of your speaker you will probably find that the AC connector has a burnt or loose connection as well as a black spot, if not, check the power supply/power amp coils for cracked connections, let me know for improve help.
B212D et B215D repair
Replace 3 voltage regulator 7812. 7815. And 7915
replace difforme capacitor
replace this 4 parts cost around 5 box and your B212D or B215D are ready for the road again !!
Remove the 6 screws , unplug the 4 pin wiring harness, bubblewrap the housing & mail to Mario Aguilar @ Mario Extreme Electronics. Connect with him on Facebook . He gives free diagnosis & estimate. SFDJA members get 1/2 price repair estimate. Most likely your power supply is fried. Since the B212D costs between $200 to $250, you might not want to spend more than $125 on repairs. 786-333-0933 Mario
SOURCE: I need to get the service manual or just a
Try here... this is for a B212A but should be VERY close to the D version.
http://elektrotanya.com/behringer_b212a_sch.pdf/download.html
Testimonial: "Thanks for the quick response"
SOURCE: What is the part number for component D3 on a
D3 is shown as a 1N4148 small signal diode... I hate to say it, but if that diode blew you have MAJOR damage to other part(s). The minimum, with D3 fried, is that C10 is shorted causing the problem. If that C10 is not shorted, then high voltage must have been applied to the ring from that input jack frying R5 (1K), R6 (12k), C7 (1 nf )and IC1 which is a 4580 op amp. By the way C10 is a 47 pf cap that is likely surface mounted and most likelly shorted..
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