Remote Control; Troubleshooting - auna MD120 Anschluss- Und Anwendungshinweise

REMARK:
When on radio state, 1-6 number button can choose the relative station.
While on music playing mode, number buttons will have different functions like 1:PAU, 2:INT, 3:RPT, 4:RDM,
5, DIR+, 6: DIR-.
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.

Remote control

Trouble shooting
Reason
battery+.
with corresponding format.
dirt which causes bad contact.
circuit.
1. POWER
2. Number Button
3. Clock
4. Band/APS
5. INT
6. REPEAT
7. Volume+
8. Mode change
9. Random
10. Last Song
11. Select
12. Next Song
13. Last 10 song
14. Next 10 song
15. Volume-
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
Solutions