Table Of Contents - Sony MDS-M9 Service Manual

TABLE OF CONTENTS

1. SERVICE NOTE ...........................................................
2. GENERAL ....................................................................
3. TEST MODE
3-1. Setting the Test Mode ......................................................... 11
3-2. Exiting the Test Mode ........................................................ 11
3-3. Basic Operations of the Test Mode .................................... 11
3-4. Selecting the Test Mode ..................................................... 11
3-4-1. Operating the Continuous Playback Mode .............. 11
3-4-2. Operating the Continuous Recording Mode ............ 12
3-4-3. Non-Volatile Memory Mode .................................... 12
3-5. Functions of Other buttons ................................................. 12
3-6. Test Mode Displays ............................................................ 13
3-7. Meanings of Other Displays ............................................... 13
3-8. Precautions for Use of Test Mode ...................................... 13
4. ELECTRICAL ADJUSTMENTS
4-1. Precautions for Checking Laser Diode Emission ............... 14
4-2. Precautions for Use of optical pickup (KMS-210A) .......... 14
4-3. Precautions for Adjustments ............................................... 14
4-4. Creating MO Continuously Recorded Disc ........................ 14
4-5. Temperature Compensation Offset Adjustment ................. 15
4-6. Laser Power Adjustment ..................................................... 15
4-7. Traverse Adjustment ........................................................... 16
4-8. Focus Bias Adjustment ....................................................... 17
4-9. Error Rate Check ................................................................ 17
4-9-1. CD Error Rate Check ............................................... 17
4-9-2. MO Error Rate Check .............................................. 17
4-10. Focus Bias Check ............................................................... 17
4-11. Adjusting Points and Connecting Points ............................ 18
5. DIAGRAMS
5-1. Circuit Boards Location ..................................................... 19
5-2. Block Diagrams .................................................................. 20
5-3. Printed Wiring Board - RF Section - ............................. 26
5-4. Schematic Diagram - RF Section - ............................... 29
5-5. Schematic Diagram - Digital Section - ......................... 33
5-6. Printed Wiring Board - Digital Section - ...................... 37
5-7. Printed Wiring Board - Power Section - ....................... 41
5-8. Schematic Diagram - Power Section - .......................... 42
5-9. Schematic Diagram - Panel Section - ............................ 45
5-10. Printed Wiring Board - Panel Section - ......................... 45
5-11. IC Block Diagrams - Digital Section - .......................... 48
5-12. IC Pin Functions
• IC101 RF Amplifier (CXA1981AR) ............................... 49
• IC121 Digital signal processor, digital servo processor,
EFM/ACIRC encoder/decoder (CXD2535BR) ............... 50
• IC201 System Control (M37610MD-067FP) ................. 53
• IC271 Shock-Proof Memory Controller,
ATRAC Encoder/ Decoder (CXD2536R) ....................... 56
• IC301 A/D Converter (CXD8566M) ............................... 58
• IC701 Display control, LED drive .................................. 59
6. EXPLODED VIEWS
6-1. Front Panel Section ............................................................ 60
6-2. Chassis Section ................................................................... 61
6-3. Mechanism Deck Section (MDM-2B) ............................... 62
6-4. Base Unit Section (MBU-2) ............................................... 63
7. ELECTRICAL ADJUSTMENT .................................
MODEL IDENTIFICATION
- BACK PANEL -
4
6
US,Canadian model
Other model
64
- 2 -
Parts No.
PARTS No.
4-977-679-3π
4-977-679-2π