Test D

PINPOINT TEST D: POOR QUALITY/DISTORTED SOUND OR NO SOUND FROM ONE OR MORE SPEAKERS (NOT ALL SPEAKERS) - DM100i

Test D1-D2:

Test D3:

Normal Operation
The audio unit directs the audio signals to the speakers through separate positive and negative circuits for each of the four audio channels LF, RF, LR, and RR. The audio unit provides internal circuit protection for shorts to ground, shorts to B+ battery or shorts between any output circuits.

Possible Causes
- speakers
- audio unit
- high resistance or short to ground in speaker circuits