1.2. During the maintainment, the right of the song data of the
customer as below
2 Safety Precaution
2.1. Human body grounding
2.2. Work table grounding
3 Service Navigation
3.1. About Lead Free Solder (PbF)
4 Accessories
5 Location of Controls
6 Operation Checks and Component Replacement Procedures
6.1. Removal of the battery cover
6.2. Removal of the front cabinet
6.3. Removal of the Main P.C.B.
6.4. Removal of the Tuner P.C.B.
6.5. Removal of the LCD Ass'y
6.6. Removal of the REC Button
6.7. Removal of the Hold knob
6.8. Removal of the spring holder Ass'y
2
2
3
3
3
4
4
4
5
6
6
6
7
7
7
7
8
8
6.9. Removal of the battery spring and spring holder 8
7 Service Position
8 Service Mode
8.1. Update or install the firmware(When replace DSP IC and
Flash Memory IC, please re-install the firmware and font
table.)
8.2. Reset procedure
8.3. Checking the software version
9 Troubleshooting
10 Troubleshooting guide
11 Saving data
12 Type Illustration of ICs, Transistors and Diodes
13 Block Diagram
14 Schematic Diagram Notes
15 Schematic Diagram
16 Printed Circuit Board Diagram
17 Cabinet Parts Location
18 Packaging
19 Replacement Parts List
9
10
10
11
11
12
12
13
13
14
19
20
24
26
27
28
1 System requirements
1.1. Caution for maintainment
1. Please make a copy before maintainment.
2. When update the software, please re-install the firmware.
3. When replace DSP IC and Flash Memory, please re-install
the firmware and font table.
2. The song that purchase from the web-site, the songs has
been encoded but no limited for the time for using or the
songe has not been encoded, the righ of customer will not
be in fuenced.
1.2. During the maintainment, the
right of the song data of the
customer as below
1. When purchase the song from the web site, the songs has
been encoded or limited for the time for using.
The right of custermer will lose one time.
2
2 Safety Precaution
2.1. Human body grounding
Use the anti-static wrist strap to discharge the static electricity
from your body.
2.2. Work table grounding
Put a conductive material (sheet) or steel sheet on the area
where the traverse deck (optical pick-up) is placed, and ground
the sheet.