- Before repairing the unit, make the below check.
- No operation:
- The HOLD function is on.
- Replace the battery if it is flat.
- No sound or there is a lot of noise:
- Ensure the earphone plug is inserted firmly.
- Wipe the plug clean with a clean cloth.
- Turn up the volume.
- Play doesn’t resume from the track where I stopped play:
- This doesn’t work if:
You download, record, or delete files, or change the battery.
The random play mode is on.
- Play doesn’t start from the first track:
- The random play mode may be on.
- Play usually resumes from the track where you last stopped play.
Use skip to return to the first track.
- The unit stops working:
- Take the battery out for about 5 seconds, then reinsert it.
- RESET procedure
1.Slide the HOLD switch to ON.
2.Turn the unit on.
3.Press [-MODE] 3 times.
4.Press [REC/STOP].
All the memories in the unit are deleted.
- The display is too dark or too light:
- Adjust the contrast.
- Play doesn’t start immediately:
- Depending on the amount of data in the unit, it may take some time
for play to start after downloading /recording or changing the
battery.
10. Type Illustration of ICs, Transistors and Diodes
11. Block Diagram
12. Schematic Diagram Notes
Notes:
- Circuit voltage and waveform described herein shall be regarded
17
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