PIONEER X-MDX707/LBWXJ
Instrukcja Serwisowa

X-MDX707, XR-C2MD

3. When the audio signal (analog) is not sent to the output jack.

3

Are 6 pins (MUTE) of IC804 in the state of "L"?.

NO

Please check the circuit in the surrounding with the solder of IC804 and IC901. IC804 or IC901 is broken.

YES

Does the audio signal come to 1 pin and 7 pins of IC801?.

NO

YES
Do 47 pins (BCKI) of IC804 show 4.32MHz?.

NO

YES

Do 43 pins (LRCKI) of IC804 show 88.2KHz?.

NO

YES

Do 45 pins (PCMDI) of IC804 show a digital signal?

NO

YES

Please check the control unit and the amplifier unit.

Please check the circuit of IC804 and IC801 in the surrounding. IC804 or IC801 is broken.

Please check the circuit in the surrounding with the solder of IC804. IC804 is broken.

75