CONTENTS
1. P.C.B. Functions --------------------------------------------------------------------------------------------------------------------------------- 1
2. Power Supply Circuit --------------------------------------------------------------------------------------------------------------------------- 3
2-1 Startup of Power Supply ---------------------------------------------------------------------------------------------------------------- 3
2-2 Power Fuses ------------------------------------------------------------------------------------------------------------------------------- 5
2-3 Power Supply Circuits ------------------------------------------------------------------------------------------------------------------- 6
3. Built-in Charger Circuit ------------------------------------------------------------------------------------------------------------------------- 7
3-1 Outline ------------------------------------------------------------------------------------------------------------------------------------- 7
3-2 Operation at Charging ------------------------------------------------------------------------------------------------------------------- 8
3-2-2 Progress of Charging --------------------------------------------------------------------------------------------------------- 9
4. Signal Processing Circuit --------------------------------------------------------------------------------------------------------------------- 10
4-4 Audio Signal Flow --------------------------------------------------------------------------------------------------------------------- 14
5. System Control, Servo ------------------------------------------------------------------------------------------------------------------------- 15
5-3 Servo Control --------------------------------------------------------------------------------------------------------------------------- 17
5-5 Error Detection ------------------------------------------------------------------------------------------------------------------------- 19
TECHNICAL DESCRIPTON