HI! Sorry, I will ask my question in English.
I have fun with Mi-215 during half year, but yesterday one channel (left) stay silent.
When I turn balance knob to left channel - I hear sound from right channel. If no signal, I hear warm tiny noise in broken left channel. If signal exist, only weak distortion from broken channel.
I open cover and inspect. I substitute POWER amps - no fun. I substitute drivers - no effect. I measure voltage from input to linear amp (10V on both channels).
I suspect that problem somewhere in MID-BASS-TREBLE circuit. But I cant find.
I have no oscillograph, only digital multimeter.
When I set to MONO sometimes sound good from both channels. Sometimes only right channel.
Any opinions?
I have fun with Mi-215 during half year, but yesterday one channel (left) stay silent.
When I turn balance knob to left channel - I hear sound from right channel. If no signal, I hear warm tiny noise in broken left channel. If signal exist, only weak distortion from broken channel.
I open cover and inspect. I substitute POWER amps - no fun. I substitute drivers - no effect. I measure voltage from input to linear amp (10V on both channels).
I suspect that problem somewhere in MID-BASS-TREBLE circuit. But I cant find.
I have no oscillograph, only digital multimeter.
When I set to MONO sometimes sound good from both channels. Sometimes only right channel.
Any opinions?