Sony mex dv 90 dv90ee dv900 dvd cd car audio

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MEX-DV90/DV90EE/DV900 2 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. Flexible Circuit Board Repairing - Keep the temperature of 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 COMPONET 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. CAUTION Use of controls or adjustments or performance of procedures other than those speci fi ed herein may result in hazardous radiation exposure. CAUTIONRADIATION WHEN OPEN AND INTERLOCKS DEFEATED. DO NOT VIEW DIRECTLY WITH OPTICAL INSTRUMENTS. : CLASS 1M VISIBLE/INVISIBLE LASER This label is located on the bottom of the chassis. This label is located on the drive units internal chassis. DVD/CD Player sectionFrequency response: 20 Hz -� 20,000 Hz (±2 dB) Tuner section FMTuning range:87.5 MHz -� 108.0 MHz Antenna (aerial) terminal: External antenna (aerial) connector Intermediate frequency: 10.7 MHz/450 kHz AMTuning range:531 kHz -� 1,602 kHz Antenna (aerial) terminal: External antenna (aerial) connector Intermediate frequency: 10.7 MHz/450 kHz Power amplifier sectionOutputs:Speaker outputs (sure seal connectors) Speaker impedance: 4ohms-�8ohms Maximum power output: 50 W per channel (1 kHz, 16 V, 4 ohms) GeneralOutputs: Video output terminal Rear audio output terminals Power antenna (aerial) relay control terminal Power amplifier control terminal Inputs: AUX audio input terminals Antenna (aerial) input terminal Parking break control terminal AUX input jack (stereo mini jack) Tone controls: Low: ±10 dB at 60 Hz (XPLOD) Mid: ±10 dB at 1 kHz (XPLOD) Hi: ±10dBat10kHz(XPLOD) Power requirements: 12 V DC car battery (negative ground (earth)) Power supply voltage: 11 V -� 16 V Dimensions: Approx. 178 mm ×50 mm ×180 mm (7 1/8in ×2in ×7 1/8in) (w/h/d) Mounting dimensions: Approx. 182 mm ×53 mm ×163 mm (7 1/4in ×2 1/8in ×6 1/2in) (w/h/d) Mass: Approx. 1.4 kg (3 lb 2 oz) Supplied accessories: Card remote commander: RM-X168 Parts for installation and connections (1 set) Your dealer may not handle some of the above listed accessories. Please ask the dealer for detailed information. DivX, DivX Certified, and associated logos are trademarks of DivX, Inc. and are used under license. Design and specifications are subject to change without notice. US and foreign patents licensed from Dolby Laboratories. MPEG Layer-3 audio coding technology and patents licensed from Fraunhofer IIS and Thomson. This product is protected by certain intellectual property rights of Microsoft Corporation. Use or distribution of such technology outside of this product is prohibited without a license from Microsoft or an authorized Microsoft subsidiary. -� Chinese model -� Mass: Approx. 1.4 kg (3 lb 2 oz) Supplied accessories: Card remote commander: RM-X168 Parts for installation and connections (1 set) Your dealer may not handle some of the above listed accessories. Please ask the dealer for detailed information. DivX, DivX Certified, and associated logos are trademarks of DivX, Inc. and are used under license. Design and specifications are subject to change without notice. US and foreign patents licensed from Dolby Laboratories. MPEG Layer-3 audio coding technology and patents licensed from Fraunhofer IIS and Thomson. This product is protected by certain intellectual property rights of Microsoft Corporation. Use or distribution of such technology outside of this product is prohibited without a license from Microsoft or an authorized Microsoft subsidiary.

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MEX-DV90/DV90EE/DV900 3 1. SERVICING NOTES ............................................. 4 2. GENERAL .................................................................. 7 3. DISASSEMBLY 3-1. Disassembly Flow .......................................................... 13 3-2. Sub Panel Complete Assy ............................................... 13 3-3. DVD Mechanism Deck Block ........................................ 14 3-4. DC Fan (25X25) (M901), MAIN Board ........................ 14 3-5. SENSOR Board, Chassis (T612Z) Sub Assy .................. 15 3-6. Chassis (OP, Z) Complete Assy ...................................... 15 3-7. SERVO Board ................................................................ 16 4. ELECTRICAL CHECK ......................................... 17 5. DIAGRAMS 5-1. Block Diagram - SERVO/VIDEO Section - ................... 19 5-2. Block Diagram - TUNER/AUDIO Section - .................. 20 5-3. Block Diagram - PANEL/POWER SUPPLY Section - ............................ 21 5-4. Schematic Diagram - SERVO Section (1/3) - ................. 23 5-5. Schematic Diagram - SERVO Section (2/3) - ................. 24 5-6. Schematic Diagram - SERVO Section (3/3) - ................. 25 5-7. Printed Wiring Board - SERVO Section (1/2) - .............. 26 5-8. Printed Wiring Boards - SERVO Section (2/2) - ............ 27 5-9. Schematic Diagram - MAIN Board (1/2) - ..................... 28 5-10. Schematic Diagram - MAIN Board (2/2) - ..................... 29 5-11. Printed Wiring Board - MAIN Board - ........................... 30 5-12. Printed Wiring Board - KEY Board -.............................. 31 5-13. Schematic Diagram - KEY Board - ................................ 32 6. EXPLODED VIEWS 6-1. Main Section ................................................................... 46 6-2. Front Panel Section ......................................................... 47 6-3. DVD Mechanism Deck Section (MG-612L-187) .......... 48 7. ELECTRICAL PARTS LIST .............................. 49 TABLE OF CONTENTS