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11 Jul 2020 11:48:39 UTC
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DR #5 - Bowers & Wilkins CCM663 Speaker Troubleshooting and Repair
In this video, I document the repair of a Bowers and Wilkins CCM663 ceiling mount speaker. The initial complaint was that the sound was muted or restrained. After the repair, this thing sounds sweet!!
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https://www.youtube.com/watch?v=KdXNEyWAMLk
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https://www.youtube.com/watch?v=KdXNEyWAMLk
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https://www.youtube.com/watch?v=F2-peKuXHs4
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dr-51-pure-electronic-troubleshooting
How do I troubleshoot an electronic issue?
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- Localize the problem (eliminate what's working)
- Execute (replace the faulty component/s)
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https://www.youtube.com/watch?v=Jg2tkrnW6hI
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dr-35-carver-cm-1090-integrated
In this video, I document the troubleshooting and repair of a Carver CM-1090 amp.
Here are the parts I used during this repair, all were sourced from Digi-Key:
Capacitor 1uF @ 50V 493-17436-1-ND
Capacitor 2.2uF @ 50V 493-6050-ND
Capacitor 4.7uF @ 25V 493-13460-1-ND
Capacitor 22uF @ 25V 493-16339-ND
Capacitor 100uF @ 10V 493-13426-1-ND
Capacitor 1,000 uF @ 35V 493-12938-1-ND
Capacitor 8,200uF @ 80V 493-13922-ND
Transistor 250V - 16A - NPN MJL21194GOS-ND
Transistor 250V - 16A - PNP MJL21193GOS-ND
Regulator 5V - 1.5A 497-1443-5-ND
Regulator 10V - 2A 497-6039-5-ND
Regulator 15V - 1.5A 497-1453-5-ND
Regulator -15V - 1.5A 497-1477-5-ND
Thermal Pad 21.8mm X 18.8mm BER177-ND
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https://www.youtube.com/watch?v=bnzuA2oL_xc
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https://www.youtube.com/watch?v=VDmCnDdcbDk
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dr-52-speaker-amplifier-repair
I was sent 3 Definitive Technology speaker amplifiers for repair. In this video, I repair the CS-8080HD center speaker amp. Most of this video is centered around investigating and repairing the amplifier's switching power supply.
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https://www.youtube.com/watch?v=D9HUaPes4d8
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https://www.youtube.com/watch?v=paEdA6uiHvk
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https://www.youtube.com/watch?v=5x1nYhOuY5M
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https://www.youtube.com/watch?v=HAaq8T9oZQM
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