Marantz PM7200 amplifier pure class a music sound there is no sound troubleshooting |
| Time£º2015-06-03 08:14:15 Source£ºNetwork Author£ºUnknown Clicks£º1497 |
|
Apjservice manual download site
Apjservice manual download site
Judged by these tests and inspections, 7317 working conditions and inspection data are normal, try replacing 7317, relay delay closing properly. Normal measurement 7317 1th pin voltage is-0.78, this voltage is greater than 0.75 will protect, showing the sensitivity of the chip is very high, it's no wonder it often appeared in various brands in various levels of power amplifier protection circuits. Amplifier repair from this experience can be summed up, amplifier maintenance repairs and other electronic products have virtually the same way,Apjservice manual download site
Apjservice manual download site
Who are not familiar with based on the principle of fault must be from the circuit, find fault, according to fault find abnormal test points, again according to the circuit diagram to find elements to cause an argument exception, r. Otherwise if the blind to detached components with multimeter, that rotten hardly removed the circuit board repair.Apjservice manual download site
2 Home Previous 1 2 |
|