Sony d ne 500 service manual
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Extracted text from sony d ne 500 service manual (Ocr-read)
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2 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. 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. D-NE500/NE506CK 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. z UNLEADED SOLDER Boards requiring use of unleaded solder are printed with the lead free mark (LF) indicating the solder contains no lead. (Caution: Some printed circuit boards may not come printed with the lead free mark due to their particular size.) : 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 viscous (sticky, less prone to flow) than ordinary solder so use caution not to let solder bridges occur 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. Notes on the power source Disconnect all power sources when the CD player is not used for a long time. On AC power adaptor -Use only the AC power adaptor supplied. If your CD player is not supplied with the one, use the AC-E30HG AC power adaptor. Do not use any other AC power adaptor. It may cause a malfunction. Polarity of the plug -Do not touch the AC power adaptor with wet hands. -Connect the AC power adaptor to an easily accessible AC outlet. Should you notice an abnormality in the AC power adaptor, disconnect it from the AC outlet immediately. ATTENTION AU COMPOSANT AYANT RAPPORT À 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 COMPOSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
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3 TABLE OF CONTENTS 1. SERVICE NOTE ................................................................. 4 2. GENERAL Locating the controls ............................................................... 5 3. DISASSEMBLY 3-1. Upper Lid Assy ................................................................... 7 3-2. Cabinet (Middle) Assy ........................................................ 7 3-3. Main Board, MD Assy ........................................................ 8 3-4. Sled Motor Assy (M602), Optical Pick-up (DAX-25E), Turntable Motor Assy (M601) ............................................. 8 4. ELECTRICAL ADJUSTMENTS CD Section .............................................................................. 9 5. DIAGRAMS 5-1. IC Pin Descriptions ........................................................... 10 5-2. Note for Printed Wiring Boards and Schematic Diagrams .................................................. 15 5-3. Waveforms ......................................................................... 15 5-4. Block Diagram –CD Section– ........................................... 16 5-5. Block Diagram –Power Supply Section– .......................... 17 5-6. Printed Wiring Board –Main Section– .............................. 18 5-7. Schematic Diagram –Main Section (1/2)–......................... 20 5-8. Schematic Diagram –Main Section (2/2)–......................... 21 5-9. Printed Wiring Board –Switch Section– ........................... 22 5-10. Schematic Diagram –Switch Section–............................... 23 5-11. IC Block Diagrams ............................................................ 24 6. EXPLODED VIEWS 6-1. Upper Lid Section ............................................................. 25 6-2. Cabinet (Lower) Section ................................................... 26 6-3. CD Mechanism Deck Section (CDM-3325ER2) .............. 27 7. ELECTRICAL PARTS LIST ......................................... 28 D-NE500/NE506CK