CDP-M400CS
SECTION 1
SERVICING NOTES
TABLE OF CONTENTSNOTES ON HANDLING THE OPTICAL PICK-UP
BLOCK OR BASE UNIT
1.SERVICING NOTES................................................3
The laser diode in the optical pick-up block may suffer electrostatic
2.GENERAL...................................................................6break-down because of the potential difference generated by the
charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic break-down and also
3.DISASSEMBLYuse the procedure in the printed matter which is included in the
3-1. Disassembly Flow ........................................................... 7repair parts.
3-2. Case ................................................................................. 8The flexible board is easily damaged and should be handled with
3-3. MAIN Board.................................................................... 8care.
3-4. TRANS Board ................................................................. 9
3-5. IR-IN Board..................................................................... 9
3-6. Front Panel Assembly ...................................................... 10NOTES ON LASER DIODE EMISSION CHECK
3-7. JOG Board, DISP Board, KEYBOARD Board............... 10The laser beam on this model is concentrated so as to be focused on
3-8. Cover (PT), Table (400) Assembly .................................. 11the disc reflective surface by the objective lens in the optical pick-
3-9. LED Board, Guide (Door) ............................................... 11up block. Therefore, when checking the laser diode emission,
3-10. DOOR SW Board ............................................................ 12observe from more than 30 cm away from the objective lens.
3-11. Base (Door Driving) Assembly ....................................... 13
3-12. Pop-up Assembly.............................................................LASER DIODE AND FOCUS SEARCH OPERA13TION
3-13. D.MOTOR Board, Motor Assembly (Door) (M603)CHECK...... 14
3-14. T.SENS Board, Holder (Table Sensor 400) .....................Carry out the OS curv14e check� in OCD section adjustment� and check
3-15. D.SENS (OUT) Board, D.SENS (IN) Board ..................that the S curv15e waveforms is output three times.
3-16. Back Panel Section .......................................................... 15
3-17. CD Mechanism, Magnet Assembly ................................. 16
3-18. LOADING SW Board, LOCK SW Board ...................... 17
3-19. CDM Assembly ............................................................... 18
3-20. Motor Assembly (Table) (M601),
Motor Assembly (Loading) (M602) ................................ 18
3-21. BU Holder ....................................................................... 19
3-22. BD Board, Optical Pick-up (KSM-213BFN) .................. 19
4.TEST MODE...............................................................20
5.ELECTRICAL ADJUSTMENT.............................25
6.DIAGRAMS
6-1. Block Diagram N BD Section N .................................. 30
N MAIN Section N ....................................................... 31
6-2. Printed Wiring Board N BD Section N ........................ 32
6-3. Schematic Diagram N BD Section N ........................... 33
6-4. Printed Wiring Board N MAIN Section N ................... 34
6-5. Schematic Diagram N MAIN Section (1/2) N ............. 35
6-6. Schematic Diagram N MAIN Section (2/2) N ............. 36
6-7. Printed Wiring Board N SENSOR Section N .............. 37
6-8. Schematic Diagram N SENSOR Section N ................. 37
6-9. Printed Wiring Board N DISPLAY Section N ............. 38
6-10. Schematic Diagram N DISPLAY Section N ................ 39
6-11. Printed Wiring Board N JOG Section N ...................... 40
6-12. Schematic Diagram N JOG Section N ......................... 41
6-13. Printed Wiring Board N POWERSection N ................. 42
6-14. Schematic Diagram N POWER Section N .................. 43
7.EXPLODED VIEWS
7-1. Case Section .................................................................... 51
7-2. Chassis Section 1 ............................................................. 52
7-3. Chassis Section 2 ............................................................. 53
7-4. Front Panel Section ......................................................... 54
7-5. Mechanism Section 1 (CDM62-K1BD46A) ................... 55
7-6. Mechanism Section 2 (CDM62-K1BD46A) ................... 56
7-7. Mechanism Section 3 (CDM62-K1BD46A) ................... 57
7-8. Mechanism Section 4 (CDM62-K1BD46A) ................... 58
7-9. Optical Pick-up Section (BU-K1BD46A) ....................... 59
8.ELECTRICAL PARTS LIST..................................60
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ACEC
