Sony cfd e 90 l service manual

Page 2

2 CFD-E90L TABLE OF CONTENTS 1. SERVICING NOTES .............................................. 3 2. GENERAL .................................................................. 4 3. DISASSEMBLY 3-1. Disassembly Flow........................................................... 7 3-2. Cabinet Upper Assy........................................................ 7 3-3. POWER Board................................................................ 8 3-4. TUNER Board................................................................. 8 3-5. MAIN Board................................................................... 9 3-6. CD Mechanism Deck (KSM-213RDP).......................... 9 3-7. Optical Pick-up (KSS-213R).......................................... 10 3-8. Cabinet Front Section..................................................... 10 3-9. Tape Mechanism Deck (MF-E95).................................. 11 3-10. R/P Head (HRP301)........................................................ 11 3-11. Main Belt (B), Sub Belt (B)............................................ 12 3-12. CD Lid............................................................................. 12 3-13. D-out Assy....................................................................... 13 3-14. D-OUT Board.................................................................. 13 4. MECHANICAL ADJUSTMENTS ...................... 14 5. ELECTRICAL ADJUSTMENTS Tape Deck Section......................................................... 14 Tuner Section................................................................. 15 CD Section..................................................................... 17 6. DIAGRAMS 6-1. Block Diagram – CD Section –.................................... 19 6-2 Block Diagram – TUNER Section –............................ 20 6-3. Block Diagram – MAIN Section –............................... 21 6-4. Block Diagram – POWER SUPPLY Section –............ 22 6-5. Note for Printed Wiring Boards and Schematic Diagrams....................................................... 23 6-6. Printed Wiring Board – CD Section –.......................... 24 6-7. Schematic Diagram – CD Section –............................. 25 6-8. Printed Wiring Board – TUNER Section –.................. 26 6-9. Schematic Diagram – TUNER Section –..................... 27 6-10. Printed Wiring Board – TAPE DECK Section –.......... 28 6-11. Schematic Diagram – TAPE DECK Section –............. 28 6-12. Printed Wiring Boards – MAIN Section –................... 29 6-13. Schematic Diagram – MAIN Section (1/2) –............... 30 6-14. Schematic Diagram – MAIN Section (2/2) –............... 31 6-15. Printed Wiring Boards – PANEL Section –................. 32 6-16. Schematic Diagram – PANEL Section –...................... 33 6-17. Printed Wiring Boards – POWER Section –................ 34 6-18. Schematic Diagram – POWER Section –.................... 35 7. EXPLODED VIEWS 7-1. Overall Section................................................................ 41 7-2. Cabinet Front Section..................................................... 42 7-3. Panel Section................................................................... 43 7-4. LCD Board Section......................................................... 44 7-5. MD Block Section........................................................... 45 7-6. Cabinet Upper Section.................................................... 46 7-7. Cabinet Under Section.................................................... 47 7-8. Speaker Box Section....................................................... 48 7-9. CD Block Section............................................................ 49 7-10. Optical Pick-up Section (KSM-213RDP)...................... 50 7-11. Tape Mechanism Deck Section (MF-E95)..................... 51 8. ELECTRICAL PARTS LIST .............................. 52 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 -Never reuse a disconnected chip component. -Notice that the minus side of a tantalum capacitor may be dam- aged by heat. Flexible Circuit Board Repairing -Keep the temperature of the soldering iron around 270 ˚C 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. About CD-Rs/CD-RWs This CD player can play CD-Rs/CD-RWs recorded in the CD-DA format*, but playback capability may vary depending on the quality of the disc and the condition of the recording device. *CD-DA is the abbreviation for Compact Disc Digital Audio. It is a recording standard used for the Audio CDs. : LEAD FREE MARK Unleaded solder has the following characteristics. -Unleaded solder melts at a temperature about 40 ˚C higher than ordinary solder. Ordinary soldering irons can be used but the iron tip has to be applied to the solder joint for a slightly longer time. Soldering irons using a temperature regulator should be set to about 350 ˚C. Caution: The printed pattern (copper foil) may peel away if the heated tip is applied for too long, so be careful! -Strong viscosity Unleaded solder is more viscou-s (sticky, less prone to flow) than ordinary solder so use caution not to let solder bridges oc- cur such as on IC pins, etc. -Usable with ordinary solder It is best to use only unleaded solder but unleaded solder may also be added to ordinary solder.