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JBL amplifier question
Actually the blown transistors are the drivers in one channel and the two
NPN output ones. As I had no spare time it was serviced by a technician and as he did not fix it I have to do it myself. I don't know if he did the things to get worse but I suspect that. I have found an schematic with the code of the transistors in: http://perso.orange.fr/francis.audio2/C17_JBL_SA660.gif The output ones are MJ802 and MJ4502. Now I need to find only the drivers because in the schematics above these transistors are listed as TIP29C and TIP30C and in the JBL amp they are TO66 types not TO220. |
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