MAIN BOARD SCHEMATIC - TYPE -1
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MAIN BOARD SCHEMATIC - TYPE - 2CD & MCU BOARD SCHEMATIC
MCU PORTION
PROBLEM | SOLUTION |
“NO DISC” is displayed | Insert a disc. Wait until the moisture condensation at the lens has cleared. Replace or clean the disc, see “Maintenance”. Use a finalised CD-RW or a correct MP3/WMA -CD format disc |
Some files on the USB device are not displayed | Check if the number of folders exceeds 99 or the number of titles exceeds 999 |
Radio reception is poor | If the signal is too weak, adjust the antenna or connect an external antenna for better reception. Increase the distance between the Micro HiFi System and your TV or VCR |
The system does not react when buttons are pressed | Remove and reconnect the AC power plug and switch on the system again |
Sound cannot be heard or is of poor quality | Adjust the volume. Disconnect the headphones. Check that the speakers are connected correctly. Check if the stripped speaker wire is clamped. Make sure the MP3-CD was recorded within 32~256 kbps bit rate with sampling frequencies at 48 kHz, 44.1 kHz or 32 kHz |
The left and right sound outputs are reversed | Check the speaker connections and location |
The remote control does not function properly. | elect the source (CD or TUNER, for example) before pressing the function button (>|| , |< , >| ) Reduce the distance between the remote control and the system. Insert the battery with its polarities (+/– signs) aligned as indicated. Replace the battery. Point the remote control directly toward IR sensor on the front of the system. |
he timer is not working. | Check the set is switched off. Set the clock correctly. Press TIMER to switch on the timer |
The Clock/Timer setting is erased | Power has been interrupted or the power cord has been disconnected. Reset the clock/timer |