Sony zs x 7

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Ð 2 Ð Specifications ........................................................................... 1 1. SERVICE NOTES ......................................................... 3 2. GENERAL Location and Function of Controls .................................... 4 3. DISASSEMBLY 3-1. ÒCabinet sub ASSY, FrontÓ, ÒCabinet, RearÓ ............. 5 3-2. Tuner Board, Headphone Board ................................. 6 3-3. Main Board ................................................................. 6 3-4. Control Board, SW (2) Board ..................................... 7 3-5. CD Block ASSY ......................................................... 7 3-6. SW (1) Board .............................................................. 8 3-7. CD Board .................................................................... 8 3-8. Optical Pick-up Block ................................................ 9 3-9. Realy Board ................................................................ 9 3-10. Open/Close Board .................................................. 10 3-11. Regulator Board ...................................................... 10 3-12. DC IN Board ........................................................... 10 3-13. Reset Board ............................................................. 11 3-14. Battery (L) Board, Battery (R) Board ...................... 11 4. TEST MODE ................................................................. 12 5. ELECTRICAL ADJUSTMENTS ............................ 13 6. DIAGRAMS 6-1. Explanation of IC Terminals ................................... 15 6-2. Block Diagram ....................................................... 17 6-3. Schematic Diagram (Tuner Section) ...................... 22 6-4. Printed Wiring Boards (Tuner Section) .................. 25 6-5. Printed Wiring Boards (CD Section) ...................... 27 6-6. Schematic Diagram (CD Section) .......................... 29 6-7. Printed Wiring Boards (Main Section) ................... 34 6-8. Schematic Diagram (Main Section) ....................... 37 6-9. Printed Wiring Boards (Contraol Section) ............. 41 6-10. Schematic Diagram (Contraol Section) .................. 42 7. EXPLODED VIEWS 7-1. Front Cabinet Section ............................................... 48 7-2. Rear Cabinet Section ................................................ 49 7-3. CD Block Section ..................................................... 50 7-4. Optical Pick-up Section ............................................ 51 8. ELECTRICAL PARTS LIST .................................... 52 ATTENTION AU COMPOSANT AYANT RAPPORT Ë LA SƒCURITƒ! LES COMPOSANTS IDENTIFIƒS PAR UNE MARQUE 0 SUR LES DIAGRAMMES SCHƒMATIQUES ET LA LISTE DES PIéCES SONT CRITIQUES POUR LA SƒCURITƒ DE FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PIéCES SONY DONT LES NUMƒROS SONT DONNƒS DANS CE MANUEL OU DANS LES SUPPLƒMENTS PUBLIƒS 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. 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 dam- aged by heat. TABLE OF CONTENTS Battery life For personal audio system: FM playing Sony manganese SUM-1 (N): approx. 10 h Sony alkaline AM-1 (N): approx. 24 h CD playback Sony manganese SUM-1 (N): approx. 1.5 h Sony alkaline AM-1 (N) : approx. 3.5 h Dimensions Approx. 576 x 195 x 183 mm (w/h/d) (22 3Ú4 x 7 3Ú4 x 7 1Ú4 inches) (incl. projecting parts) Mass Approx. 3.2 kg (7 lb. 1 oz.) (incl. batteries) Supplied accessories AC power adaptor AC-E700 (1) Car battery cord DCC-EC12 (1) Spare fuse (1) Shoulder strap (1) Screws (2) Design and specifications are subject to change without notice.

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Ð 3 Ð NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer electro- static breakdown because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body. During repair, pay attention to electrostatic breakdown and also use the procedure in the printed matter which is included in the repair parts. The flexible board is easily damaged and should be handled with care. NOTES ON LASER DIODE EMISSION CHECK The laser beam on this model is concentrated so as to be focused on the disc reflective surface by the objective lens in the optical pick-up block. Therefore, when checking the laser diode emis- sion, observe more than 30 cm away from the objective lens. SECTION 1 SERVICE NOTES LASER DIODE AND FOCUS SEARCH OPERATION CHECK 1. Open the lid for CD. 2. Push ON OPEN/CLOSE switch (S702) as following figure. 3. Press CD u button. 4. Confirm the laser diode emission while observing the object- ing lens. When there is no emission, Auto Power Control cir- cuit or Optical Pick-up is broken. Objective lens moves up and down once for the focus search. CHUCK PLATE JIG ON REPAIRING On repairing CD section, playing a disc without the CD lid, use Chuck Plate Jig. ¥ Code number of Chuck Plate Jig : X-4918-255-1 Push ON switch OPEN/CLOSE switch (S702)