Sony d e 226 ck service manual

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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. TABLE OF CONTENTS 1. SERVICE NOTE ................................................................. 2 2. GENERAL ............................................................................ 4 3. DISASSEMBLY 3-1. Lid, Battery Case, Cabinet (Front) Assy .......................... 8 3-2. Lid Assy, Upper ................................................................... 8 3-3. Main Board, MD Assy ........................................................ 9 3-4. Optical Pick-up, Motor ....................................................... 9 4. ELECTRICAL ADJUSTMENTS 4-1. Focus Bias Check .............................................................. 10 5. DIAGRAMS 5-1. IC Pin Description ............................................................. 11 5-2. Block Diagram –CD Section (Former Type)–.................. 12 5-3. Block Diagram –Audio Section (Former Type)–.............. 13 5-4. Block Diagram –Power Supply Section (Former Type)–.. 14 5-5. Block Diagram –CD Section (New Type)–....................... 15 5-6. Block Diagram –Audio Section (New Type)–.................. 16 5-7. Block Diagram –Power Supply Section (New Type)–...... 17 5-8. Printed Wiring Board –Main Section (Former Type)–...... 18 5-9. Printed Wiring Board –Main Section (New Type)–.......... 20 5-10. Schematic Diagram –Main Section (1/2) (Former Type)–.. 22 5-11. Schematic Diagram –Main Section (2/2) (Former Type)–.. 23 5-12. Schematic Diagram –Main Section (1/2) (New Type)–...... 24 5-13. Schematic Diagram –Main Section (2/2) (New Type)–...... 25 5-14. IC Block Diagrams ............................................................ 26 6. EXPLODED VIEWS 6-1. Cabinet (Front) Section ..................................................... 27 6-2. Cabinet (Rear) Section ...................................................... 28 6-3. CD Mechanism Deck Section (CDM-3123EBA) ............. 29 7. ELECTRICAL PARTS LIST ......................................... 30 D-E220/E225/E226CK 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.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. SECTION 1 SERVICE NOTE NOTE ON PERFORMING SERVICE AND INSPECTION ON THE MAIN BOARD The main board has two types, former type and new type. When performing service and inspection, check the part number on the main board. – MAIN BOARD (SIDE A) – MAIN Board Part No. Former type : 1-680-271-11 New type : 1-681-329-11