Test K: Poor Quality/Distorted Sound From One Or More Speakers (Not All Speakers)

PINPOINT TEST K: POOR QUALITY/DISTORTED SOUND FROM ONE OR MORE SPEAKERS (NOT ALL SPEAKERS)

K1-K2:

K2-K3:

K3 Continued:

Normal Operation
The audio unit directs the audio signals to the speakers through separate positive and negative circuits for each of the 4 audio channels: LH front, RH front, LH rear, and RH rear. The audio unit provides internal circuit protection for shorts to ground, shorts to B+ battery, or shorts between any output circuits.

Possible Cause
- Circuit 176 (PK/LG) open, or short to ground
- Circuit 179 (OG/RD) open, or short to ground
- Circuit 187 (DB/OG) open, or short to ground
- Circuit 189 (TN/LB) open, or short to ground
- Circuit 800 (GY/LB) open, or short to ground
- Circuit 801 (TN/YE) open, or short to ground
- Circuit 802 (OG/RD) open, or short to ground
- Circuit 803 (BN/PK) open, or short to ground
- Circuit 804 (OG/LG) open, or short to ground
- Circuit 805 (WH/LG) open, or short to ground
- Circuit 811 (DG/OG) open, or short to ground
- Circuit 813 (LB/WH) open, or short to ground
- Speaker(s)
- Audio unit