Мои познания в ремонте данного вида техники: Занимаюсь ремонтом Наличие схемы: No Hi,
Protect LED is always ON. Voltages +40, -40, +15, -15 & 5 are present. TDA8954 are working/oscillating with 0V at the outputs.
U6 (ATTINY24A) defective ?
Thanks.
Добавлено (28.12.2021, 23:39:29) --------------------------------------------- Other observations:
Signal LED not always indicates signal on input. Protect LED (Front LED) sometimes blinks. Protect LED on Amp PCB is OFF. Mono/Stereo LED sometimes alternate. Relays sometimes have abnormal behaviour. No signal at amp outputs.