Sony nw hd 5 service manual

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2 NW-HD5 TABLE OF CONTENTS 1. SERVICING NOTES ............................................... 3 2. GENERAL ................................................................... 4 3. DISASSEMBLY 3-1. Disassembly Flow ........................................................... 5 3-2. Battery Case Lid .............................................................. 6 3-3. Cabinet (Main) Block Assy ............................................. 6 3-4. Cabinet (Upper) Block Assy ............................................ 7 3-5. HDD Unit ........................................................................\ 7 3-6. MAIN Board Section ....................................................... 8 3-7. MAIN Board .................................................................... 8 3-8. Position of Ferrite Core ................................................... 9 4. TEST MODE .............................................................. 10 5. DIAGRAMS 5-1. Block Diagram – MAIN Section (1/2) – ......................... 18 5-2. Block Diagram – MAIN Section (2/2) – ......................... 19 5-3. Block Diagram – KEY/POWER SUPPLY Section – ...... 20 5-4. Printed Wiring Board – MAIN Board (Component Side) – ............................... 22 5-5. Printed Wiring Board – MAIN Board (Conductor Side) – ................................. 23 5-6. Schematic Diagram – MAIN Board (1/7) – .................... 24 5-7. Schematic Diagram – MAIN Board (2/7) – .................... 25 5-8. Schematic Diagram – MAIN Board (3/7) – .................... 26 5-9. Schematic Diagram – MAIN Board (4/7) – .................... 27 5-10. Schematic Diagram – MAIN Board (5/7) – .................... 28 5-11. Schematic Diagram – MAIN Board (6/7) – .................... 29 5-12. Schematic Diagram – MAIN Board (7/7) – .................... 30 5-13. Printed Wiring Board – HDD Board – ............................ 31 5-14. Schematic Diagram – HDD Board – ............................... 31 6. EXPLODED VIEW 6-1. Overall Section ................................................................ 44 6-2. Main Section .................................................................... 45 7. ELECTRICAL PARTS LIST ................................ 46 Notes on chip component replacement - Never reuse a disconnected chip component. - Notice that the minus side of a tantalum capacitor may be damaged by heat. Flexible Circuit Board Repairing - Keep the temperature of the soldering iron around 270 ˚C during 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 PUBLISHED BY SONY. .OTESONTHE!#POWERADAPTOR s 5SEONLYTHE!#POWERADAPTORSUPPLIEDWITHTHEPLAYER $ONOTUSEANYOTHER!#POWERADAPTORSINCETHISMAY CAUSETHEPLAYERTOMALFUNCTION s 4HEPLAYERISNOTDISCONNECTEDFROMTHE!#POWERSOURCEMAIN S ASLONG ASITISCONNECTEDTOTHEWALLOUTLETEVENIFTHEPLAYERITSEL FHASBEENTURNED OFF s )FYOUARENOTGOINGTOUSETHEPLAYERFORALONGTIMEBESU RETODISCONNECT THEPOWERSUPPLY4OREMOVETHE!#POWERADAPTORFROMTHEWALL OUTLET GRASPTHEADAPTORPLUGITSELFNEVERPULLTHECORD Ver. 1.3