Sony hcd dc 1 owners manual

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2 HCD-DC1 TABLE OF CONTENTS 1. SERVICING NOTES ............................................... 3 2. GENERAL Parts Identification .......................................................... 4 Setting the Time .............................................................. 4 3. DISASSEMBLY 3-1. Disassembly Flow ........................................................... 6 3-2. Upper Cover Sub Assy .................................................... 7 3-3. CD Lid ............................................................................. 7 3-4. Front Panel Section ......................................................... 8 3-5. Tape Mechanism Deck .................................................... 8 3-6. CD Mechanism Deck (CDM55F-K6BD41A) ................ 9 3-7. Base Unit (BU-K6BD41A) ............................................. 9 3-8. Loading Motor Board ..................................................... 10 3-9. Cam (CDM55) ................................................................ 10 4. TEST MODE .............................................................. 11 5. ELECTRICAL ADJUSTMENTS Deck Section ................................................................... 12 CD Section ...................................................................... 13 6. DIAGRAMS 6-1. Block Diagram -� CD SERVO Section -� ....................... 15 6-2. Block Diagram -� MAIN Section -� ................................ 16 6-3. Block Diagram -� DISPLAY/POWER SUPPLY Section -� ...................... 17 6-4. Note for Printed Wiring Boards and Schematic Diagrams ....................................................... 18 6-5. Printed Wiring Board -� CD Board -� ............................. 20 6-6. Schematic Diagram -� CD Board -� ................................ 21 6-7. Printed Wiring Board -� TC Board -� .............................. 22 6-8. Schematic Diagram -� TC Board -� ................................. 23 6-9. Schematic Diagram -� MAIN Board (1/3) -� ................. 24 6-10. Schematic Diagram -� MAIN (2/3)/ LOADING MOTOR/HEADPHONE Boards -� ............. 25 6-11. Schematic Diagram -� MAIN (3/3)/LCD Boards -� ...... 26 6-12. Printed Wiring Boards -� MAIN/LCD/ LOADING MOTOR/HEADPHONE Boards -� .............. 27 6-13. Printed Wiring Boards -� SWITCH/I/O SWITCH Boards -� ................................ 28 6-14. Schematic Diagram -� SWITCH/I/O SWITCH Boards -� ................................ 29 6-15. Printed Wiring Board -� POWER Board -� ...................... 30 6-16. Schematic Diagram -� POWER Board -� ......................... 31 6-17. IC Pin Function Description ........................................... 32 7. EXPLODED VIEWS 7-1. Upper Cover, Tape Mech Deck Section ......................... 37 7-2. Front Panel Section ......................................................... 38 7-3. Chassis Section ............................................................... 39 7-4. CD Mechanism Deck (CDM55F-K6BD41A) ................ 40 7-5. Base Unit (BU-K6BD41A) ............................................. 41 8. ELECTRICAL PARTS LIST ............................... 42CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous ra- diation exposure. This appliance is classified as a CLASS 1 LASER product. The CLASS 1 LASER PRODUCT MARKING is located on the rear exterior. Laser component in this product is capable of emitting radiation exceeding the limit for Class 1. The following caution label is located inside the unit. CAUTION : INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM. ADVARSEL : USYNLIG LASERSTRÅLING VED ÅBNING NÅR SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION. UNDGÅ UDSAETTELSE FOR STRÅLING. VORSICHT : UNSICHTBARE LASERSTRAHLUNG, WENN ABDECKUNG GEÖFFNET UND SICHEREITSVERRIEGELUNG ÜBERBRÜCKT. NICHT DEM STRAHL AUSSETZEN. VA R O!: AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALT- TIINA NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE. ÄLÄ KATSO SÄTEESEEN. VARNING : OSYNLING LASERSTRÅLING NÄR DENNA DEL ÄR ÖPPNAD OCH SPÄRREN ÄR URKOPPLAD. BETRAKTA EJ STRÅLEN. ADVERSEL : USYNLIG LASERSTRÅLING NÅR DEKSEL ÅPNES OG SIKKERHEDSLÅS BRYTES. UNNGÅ EKSPONERING FOR STRÅLEN. VIGYAZAT!: A BURKOLAT NYITÁSAKOR LÁTHATATLAN LÉZERSU- GÁRVESZÉLY! KERÜLJE A BESUGÁRZÁST! 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. 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.