Sony d ne 005 service manual
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2 D-NE004/NE005/NE0050/NE006 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. CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. TABLE OF CONTENTS 1. SERVICING NOTES ................................................ 3 2.GENERAL ................................................................... 3 3. DISASSEMBLY 3-1. Disassembly Flow ........................................................... 4 3-2. Upper Lid Assy, Cabinet (Middle) Assy, Cabinet (Lower) Assy ...................................................... 4 3-3. Optical Pick-Up (CDM-3525A) ...................................... 5 3-4. JACK Board, MAIN Board ............................................. 5 3-5. LPF Board ....................................................................... 6 4. TEST MODE ............................................................... 7 5. ELECTRICAL ADJUSTMENT ............................. 7 6. DIAGRAMS ................................................................. 8 6-1. Block Diagram ................................................................ 9 6-2. Printed Wiring Board – MAIN Board (Side A), LPF Board (Side A) – ............. 10 6-3. Printed Wiring Board – MAIN Board (Side B), LPF Board (Side B), JACK Board – ................................................................. 11 6-4. Schematic Diagram – MAIN Board (1/2), JACK Board (1/2) – ........................................................ 12 6-5. Schematic Diagram – MAIN Board (2/2), LPF Board, JACK Board (2/2) – ........................................................ 13 6-6. IC Pin Function Description ............................................ 15 7. EXPLODED VIEWS 7-1. Upper Lid, Cabinet (Middle) Section .............................. 17 7-2. Cabinet (Lower) Section ................................................. 18 8. ELECTRICAL PARTS LIST .................................. 19UNLEADED 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 viscou-s (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. SAFETY-RELATED COMPONENT WARNING!! COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK !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.ATTENTION AU COMPOSANT AYANT RAPPORT À LA SÉCURITÉ! LES COMPOSANTS IDENTIFÉS 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 PIÈSES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPÉMENTS PUBLIÉS PAR SONY.
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3 D-NE004/NE005/NE0050/NE006 SECTION 1 SERVICING NOTES NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer electrostatic break-down because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body. During repair, pay attention to electrostatic break-down 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 emission, observe from more than 30 cm away from the objective lens. LASER DIODE AND FOCUS SEARCH OPERATION CHECK During normal operation of the equipment, emission of the laser diode is prohibited unless the upper lid is closed while turning ON the S811. (push switch type) The following checking method for the laser diode is operable. Fig. 1 Method to push the S811 S811 SECTION 2 GENERAL This section is extracted from instruction manual. LOCATING THE CONTROLS Headphones P MODE/ VOL + */– SOUND/AVLS LINE OUT (European and Tourist model only) DC IN 4.5V to an AC outlet (group)–/+ *(play/pause) - AC power adaptor Display ./> i (headhpones) jack OPEN HOLD (rear) GROUP Play mode MP3 indicator Track number Playing time u (stop) Remaining battery power Group indicator Sound mode Bookmark * The button has a tactile dot. x - Method: Emission of the laser diode is visually checked. 1. Open the upper lid. 2. With a disc not set, turn on the S811 with a screwdriver having a thin tip as shown in Fig.1. 3. Press the u button. 4. Observing the objective lens, check that the laser diode emits light. When the laser diode does not emit light, automatic power control circuit or optical pick-up is faulty. In this operation, the objective lens will move up and down 2 times along with inward motion for the focus search. Ve r. 1.2