Sony CDX-GT300, Service Manual

Page 1: ... model FM3 65 74 MHz at 30 kHz setp EE model 87 5 108 MHz at 50 kHz step E CH MX model 87 5 107 9 MHz at 200 kHz step E CH MX model FM tuning interval 50 kHz 200 kHz switchable E CH MX model Antenna terminal External antenna connector Intermediate frequency 10 7 MHz 450 kHz Usable sensitivity 9 dBf Selectivity 75 dB at 400 kHz Signal to noise ratio 67 dB stereo 69 dB mono Harmonic distortion at 1 ...

Page 2: ...D Power requirements 12 V DC car battery negative ground Dimensions Approx 178 50 181 mm 7 1 8 2 7 1 4 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 2 kg 2 lb 11 oz Supplied accessories Parts for installation and connections 1 set Card remote commander RM X151 US and foreign patents licensed from Dolby Laboratories Note This unit cannot be connected to ...

Page 3: ...careful Strong viscosity Unleaded solder is more viscous 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 This label is located on the bottom of the chassis CD Playback You can play CD DA also containing CD T...

Page 4: ... Assy M903 20 2 10 Servo Board 20 3 DIAGRAMS 3 1 Block Diagram CD Section 21 3 2 Block Diagram Main Section 22 3 3 Block Diagram Key Section 23 3 4 Circuit Boards Location 23 3 5 Printed Wiring Boards CD Mechanism Section 25 3 6 Schematic Diagram CD Mechanism Section 1 2 26 3 7 Schematic Diagram CD Mechanism Section 2 2 27 3 8 Printed Wiring Board Main Section 28 3 9 Schematic Diagram Main Section...

Page 5: ...AUX input jack 10 To connect a portable audio device R RESET button 4 S Z eject button 5 To eject the disc T Disc slot 5 To insert the disc The following buttons on the card remote commander have also different buttons functions from the unit wa buttons To control CD radio the same as SEEK on the unit ws VOL volume button To adjust volume wd ATT attenuate button To attenuate the sound To cancel pr...

Page 6: ...illumination signal Be sure to connect the black ground lead to a metal surface of the car first 6 To the 12 V power terminal which is energized in the accessory position of the ignition key switch Notes If there is no accessory position connect to the 12 V power battery terminal which is energized at all times Be sure to connect the black ground lead to a metal surface of the car first When your ...

Page 7: ...o connect a portable audio device R RESET button 4 S Z eject button 5 To eject the disc T Disc slot 5 To insert the disc The following buttons on the card remote commander have also different buttons functions from the unit wa buttons To control CD radio the same as SEEK on the unit ws VOL volume button To adjust volume wd ATT attenuate button To attenuate the sound To cancel press again wf SEL se...

Page 8: ... to the 12 V power battery terminal which is energized at all times Be sure to connect the black ground lead to a metal surface of the car first When your car has a built in FM AM antenna in the rear side glass see Notes on the control and power supply leads 7 To the 12 V power terminal which is energized at all times Be sure to connect the black ground lead to a metal surface of the car first Rem...

Page 9: ...CRL scroll button 8 To scroll the display item wj Number buttons To receive stored stations press store stations press and hold 1 When an ATRAC CD is played 2 When an MP3 WMA is played 3 If the changer is connected the operation is different see page 13 4 When an MD changer is connected 5 When a CD MD changer is connected 6 When playing back on this unit Note If the unit is turned off and the disp...

Page 10: ...P REMOTE IN d un amplificateur de puissance facultatif Ce raccordement existe seulement pour les amplificateurs Le raccordement à tout autre système peut endommager l appareil B Vers le cordon de liaison d un téléphone de voiture Avertissement Si vous disposez d une antenne électrique sans boîtier de relais le branchement de cet appareil au moyen du cordon d alimentation fourni 3 risque d endommag...

Page 11: ...lect switch in the supplied installation connections manual P Number buttons CD MD 4 3 REP 8 4 SHUF 8 5 BBE MP 6 2 To activate the BBE MP function set BBEMP ON To cancel set BBEMP OFF 6 PAUSE 6 To pause playback To cancel press again Radio To receive stored stations press store stations press and hold Q EQ3 equalizer button 9 To select an equalizer type XPLOD VOCAL EDGE CRUISE SPACE GRAVITY CUSTOM...

Page 12: ...12 CDX GT30W GT300 GT300EE GT300S GT350 GT350S ...

Page 13: ... the display item O Number buttons CD MD 4 3 REP 8 4 SHUF 8 5 BBE MP 6 3 To activate the BBE MP function set BBEMP ON To cancel set BBEMP OFF 6 PAUSE 6 To pause playback To cancel press again Radio To receive stored stations press store stations press and hold P EQ3 equalizer button 9 To select an equalizer type XPLOD VOCAL EDGE CRUISE SPACE GRAVITY CUSTOM or OFF Q AUX input jack 10 To connect a p...

Page 14: ...14 CDX GT30W GT300 GT300EE GT300S GT350 GT350S ...

Page 15: ... to the following sequence 2 1 SUB PANEL ASSY Page 16 2 2 CD MECHANISM BLOCK Page 16 SET 2 3 MAIN BOARD Page 17 2 4 CHASSIS T SUB ASSY Page 17 2 5 ROLLER ARM ASSY Page 18 2 6 CHASSIS OP ASSY Page 18 2 8 SL MOTOR ASSY M902 Page 19 2 10 SERVO BOARD Page 20 2 7 OPTICAL PICK UP Page 19 2 9 LE MOTOR ASSY M903 Page 20 ...

Page 16: ...the disassembly procedure in the numerical order given 2 1 SUB PANEL ASSY 2 two claws 3 two claws 5 sub panel assy flexible flat cable 17 core CN701 4 1 two screws PTT 2 6 6 6 bracket CD 7 CD mechanism block 4 CN350 3 1 screw PTT 2 6 6 2 screw PTT 2 6 6 5 two screws PTT 2 6 4 Ver 1 2 ...

Page 17: ...T350 GT350S 2 4 CHASSIS T SUB ASSY 2 3 MAIN BOARD 1 three ground point screws PTT 2 6 6 3 MAIN board 2 two screws PTT 2 6 8 insulating sheet 5 SENSOR board 6 chassis T sub assy 4 claw 3 claw 1 two screws P 1 7 2 2 2 two screws P 1 7 2 2 ...

Page 18: ...LLER ARM ASSY 3 washer 4 gear RA1 5 roller arm assy 1 spring RAL B 2 spring RAR B 4 washer 0 coil spring damper 9 two coil springs damper qa chassis OP assy 5 gear LE1 1 optical pick up 16 core CN1 lever D slider R 6 7 8 2 Remove the six solders 3 tension spring KF60 Ver 1 2 ...

Page 19: ...300EE GT300S GT350 GT350S 2 8 SL MOTOR ASSY M902 2 7 OPTICAL PICK UP 1 tension coil spring CHKG 2 chucking arm sub assy 3 screw B 1 4 5 4 rack SL 5 claw 6 main shaft 7 optical pick up 1 screw P 1 4 1 8 2 SL motor assy M902 ...

Page 20: ...lever D bracket LEM N slider R 6 screw P 1 7 2 2 8 screw M 1 7 2 5 qa screw M 1 7 2 5 qf two toothed lock screws M 1 4 qs screw M 1 7 2 5 9 bearing LEB N 0 gear LE assy qg LE motor assy M903 1 Remove the solders 5 claw 6 SERVO board 4 screw 1 Remove the eight solders 2 Remove the three solders 3 optical pick up 16 core CN1 Ver 1 2 ...