Troubleshooting - auna 10006449 Bedienungsanleitung

Fault
LCD doesn't 1. Yellow wire is not connected with
display
2. Fuse of red wire is open.
3. The panel connector is dirty.
No sound 1. No power supply.
2. Speaker wire is open circuit
3. SD/MMC card, U disk don't have song
4. SD/MMC card, U disk golden finger is
Low sound 1. Power internal resistance is high.
(not clear) 2. Antenna is bad contact.
Mono track 1. One channel of speaker wire is open
2. Amplifier integrated circuit is damaged.
System down Power supplier not stable
NOTE: Technical data is subject to change without prior notice.
Trouble shooting
Reason
battery+.
with corresponding format.
dirt which causes bad contact.
circuit.
Solutions
1. Assure yellow wire is connected
with battery+.
2. Replace fuse.
3. Clean the panel connector with
absolute alcohol.
1. Connect the power wire.
2. Connect speaker wire.
3. Check the contents of SD/MMC
card, U disk.
4. Clean with absolute alcohol.
1. Replace the power supply
2. Tighten the antenna plug.
1. Connect speaker wire
2. Replace the IC of amplifier.
Long press the reset button