Part 2

1. Noise source description















2. Repair or replace the noise source

R-15 : Check again after replacing the audio head unit


















1. Check the input signal of Illumination (+)
FOR PA-710S, UVO















2. Check the illumination (-) input signal using the oscilloscope
FOR PA-710S, UVO















3. Check the vehicle illumination control unit.

R-16 : Test after replacing the audio head unit










1. Check the illumination (-) input signal using the oscilloscope
FOR PA-710S & UVO





Is PWM output waveform changed according to vehicle illumination control ?










2. Check the vehicle illumination control unit.

R-17 : Check the mic input condition.























1. Test again after replacing the B/T mic

R-18 : Test after replacing the audio head unit










1. Test after replacing the multimedia jack.










2. Check the multimedia jack connector.




























3. Check again after replacing the external input device with another one.

R-19 : Disc cannot be inserted or ejected right after insertion
1. Is the ignition key at ACC or ON?










2. Power ON reset. Disconnect the 2 audio fuses, wait 5minutes with ignition switch off. And then insert both fuse. Then turn the ignition key ON. Is CD ejected?










3. If CD does not ejected, don't try removing it. The player may be damaged. Please replace the CD player.

R-20 : Sound sometimes skips when parking
1. Is CD face scratched or dirty?










2. Does it play properly if CD is replaced with an existing proper CD?