Sony mex 1 hd service manual

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2 MEX-1HD 1. SERVICING NOTES ................................................ 5 2. GENERAL Location of Controls....................................................... 7 3. DISASSEMBLY 3-1. Disassembly Flow........................................................... 10 3-2. Cove r........................................................................\ ....... 11 3-3. Base Panel Assy.............................................................. 11 3-4. Sub Panel (CD) Assy...................................................... 12 3-5. Mechanism Deck (MG-550D-156)................................ 12 3-6. Motor Block Assy, Cam Block Assy.............................. 13 3-7. Motor Assy (Front Panel Open/Close) (M601), SWITCH Board ............................................................... 13 3-8. MAIN Board, PO WER Board........................................ 14 3-9. Hard Disk Drive (2.5 inch) Unit..................................... 15 3-10. SUB Board ...................................................................... 15 3-11. Heat Sink, DC Fan (M501) ............................................. 16 3-12. Belt (L), LE Motor Assy (Tray Open/Close) (M103) .... 16 3-13. Tray (UD) Assy............................................................... 17 3-14. OP Assy (CDM-3021EBG) ............................................ 17 3-15. SERVO Board................................................................. 18 4. ASSEMBLY 4-1. Assembly Flow................................................................ 19 4-2. Motor Block Assy........................................................... 19 4-3. Cam Block Assy.............................................................. 20 4-4. Phase Alignment of Motor Block Assy and Cam Block Assy.............................................................. 20 5. TEST MODE .............................................................. 21 6. DIAGRAMS 6-1. Block Diagram -“ SERVO, HD/MS/USB INTERF ACE Section -“ .......... 27 6-2. Block Diagram -“ CPU, DISPLAY Section -“................ 28 6-3. Block Diagram -“ AUDIO, SYSTEM Section -“............ 29 6-4. Block Diagram -“ POWER SUPPLY Section -“............. 30 6-5. Note for Printed Wiring Boards and Schematic Diagrams ....................................................... 31 6-6. Printed Wiring Board -“ SERVO Board (Side A) -“....... 32 6-7. Printed Wiring Board -“ SERVO Board (Side B) -“....... 33 6-8. Schematic Diagram -“ SERVO Board (1/3) -“................ 34 6-9. Schematic Diagram -“ SERVO Board (2/3) -“................ 35 6-10. Schematic Diagram -“ SERVO Board (3/3) -“................ 36 6-11. Printed Wiring Board -“ MAIN Board (Side A) -“......... 38 6-12. Printed Wiring Board -“ MAIN Board (Side B) -“......... 39 6-13. Schematic Diagram -“ MAIN Board (1/9) -“................... 40 6-14. Schematic Diagram -“ MAIN Board (2/9) -“................... 41 6-15. Schematic Diagram -“ MAIN Board (3/9) -“................... 42 6-16. Schematic Diagram -“ MAIN Board (4/9) -“................... 43 6-17. Schematic Diagram -“ MAIN Board (5/9) -“................... 44 6-18. Schematic Diagram -“ MAIN Board (6/9) -“................... 45 6-19. Schematic Diagram -“ MAIN Board (7/9) -“................... 46 6-20. Schematic Diagram -“ MAIN Board (8/9) -“................... 47 6-21. Schematic Diagram -“ MAIN Board (9/9) -“................... 48 6-22. Schematic Diagram -“ SUB Board (1/5) -“...................... 49 6-23. Schematic Diagram -“ SUB (2/5)/SWITCH Boards -“.... 50 6-24. Schematic Diagram -“ SUB Board (3/5) -“...................... 51 6-25. Schematic Diagram -“ SUB Board (4/5) -“...................... 52 6-26. Schematic Diagram -“ SUB Board (5/5) -“...................... 53 6-27. Printed Wiring Boards -“ SUB (Component Side)/Switch Boards -“................... 54 6-28. Printed Wiring Board -“ SUB Board (Conductor Side) -“................................... 55 6-29. Printed Wiring Board -“ POWER Board -“..................... 56 6-30. Schematic Diagram -“ POWER Board -“........................ 57 6-31. Printed Wiring Board -“ DISPLAY Board -“.................. 58 6-32. Schematic Diagram -“ DISPLAY Board -“..................... 59 6-33. IC Pin Function Description........................................... 69 7. EXPLODED VIEWS 7-1. Cover Section................................................................. 97 7-2. Front P anel Section........................................................ 98 7-3. ARM Section .................................................................. 99 7-4. Hard Disk, PO WER Board Section............................... 100 7-5. MAIN Board Section..................................................... 101 7-6. Chassis Section .............................................................. 102 7-7. SUB Board Section........................................................ 103 7-8. Mechanism Deck Section (MG-550D-156)..................104 8. ELECTRICAL PARTS LIST .............................. 106 TABLE OF CONTENTS V er 1.1

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3 MEX-1HD SAFETY-RELATED COMPONENT WARNING!! COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- LISHED BY SONY. Notes on chip component replacement -N ever reuse a disconnected chip component. - Notice that the minus side of a tantalum capacitor may be dam- aged by heat. Flexible Circuit Board Repairing -K eep the temperature of the soldering iron around 270 ËšC dur- ing repairing. - Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). - Be careful not to apply force on the conductor when soldering or unsoldering. CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous ra- diation exposure. ATTENTION AU COMPOSANT AYANT RAPPORT Ã- LA SÉCURITÉ! LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0 SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE REMPLACER CES COM- POSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU D ANS LES SUPPLÉMENTS PUBLIÉS PAR SONY. -The reco rded music is limited to private use only. Use of the music beyond this limit requires permission of the copyright holders. -S ony is not responsible for music files that are not saved on this unit due to unsuccessful recording from CD or music downloading. -S ony is not responsible for any files that are damaged or erased from the hard disc.Notes Notes on CD-Rs (recordable CDs)/CD- RW s (rewritable CDs) This unit can play the following discs: -Some CD-Rs/ CD-RWs (depending on the equipment used for its recording or the condit ion of the disc) may not play on this unit. -You can not play a CD-R/CD-RW that is not fina lized*. -You ca n play MP3 files recorded on CD- ROMs , CD-Rs, and CD-RWs. -A CD-R/CD-RW to which a session can be added can be played. * A process necessary for a recorded CD-R/CD-RW di sc to be played on the audio CD player. Ty p e of discs Label on the disc Audio CD MP3 files