Sony cdx gt 800 d service manual

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2 CDX-GT800D/GT805DX 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. NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT T he laser diode in the optical pick-up block may suffer electrostatic 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. T he 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. 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. TEST DISCS T his set can playback CD-R and CD-ROM discs. The following test discs should be used to check the capability: CD-R test disc TCD-R082LMT (Part No. J-2502-063-1) CD-RW test disc TCD-W082L (Part No. J-2502-063-2) If the optical pick-up block is defective, please replace the whole optical pick-up block. Never turn the semi-fixed resistor located at the side of optical pick- up block. optical pick-up semi-fixed resistor SERVICE NOTES This label is located on the bottom of the chassis. CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. Power requirements 12 V DC car battery (negative ground) Dimensions Approx. 178 × 50 × 188 mm (7 1/8 × 2 × 7 1/2 in.) (w/h/d) Mounting dimensions Approx. 182 × 53 × 162 mm (7 1/4 × 2 1/8 × 6 1/2 in.) (w/h/d) Mass Approx. 1.6 kg (4 lb.) Supplied accessories Parts for installation and connections (1 set) Card remote commander RM-X152 (CDX-GT805DX) Card remote commander RM-X154 (CDX-GT800D) US and foreign patents licensed from Dolby Laboratories. Note T his unit cannot be connected to a digital preamplifier or an equalizer which is Sony BUS system compatible. Design and specifications are subject to change without notice. - E model - Chinese model

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3 CDX-GT800D/GT805DX SERVO BOAR D CN2 MAIN BOARD CNP301 J-2502-076-1 - CD Playback: You can play CD-DA (also containing CD TEXT* 1), CD-R/CD- RW (MP3/MWA files also containing Multi Session and ATRAC CD (ATRAC3 and ATRAC3plus format). T ype of discs Label on the disc CD-DA MP3 MWA A TRAC CD *1 A CD TEXT disc is a CD-DA that includes information such as disc, artist and track name. EXTENSION CABLE AND SERVICE POSITION When repairing or servicing this set, connect the jig (extension cable) as shown below. - Connect the MAIN board (CNP301) and the SERVO board (CN2) with the extension cable (Part No. J-2502-076-1). NOTE FOR THE OPENING OF THE FRONT PANEL In this set, the front panel is lowered to below the bottom face when it is opened. When servicing the set, place it on a stand having a height of about 2 cm. stand