Resumo do conteúdo contido na página número 1
CDX-GT50W/GT500/
GT500EE/GT550
SERVICE MANUAL
US Model
CDX-GT50W/GT500
Ver. 1.0 2005. 12
Canadian Model
AEP Model
UK Model
CDX-GT500
E Model
CDX-GT550
East European Model
CDX-GT500EE
Chinese Model
Photo: CDX-GT500
CDX-GT550
• The tuner and CD sections have no adjustments.
Model Name Using Similar Mechanism CDX-A250/A250EE
CD Drive Mechanism Type MG-611WA-186//Q
AUDIO POWER SPECIFICATIONS (US Model)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
Optical Pick-up Name KSS1000E
23.2 watts per channel m
Resumo do conteúdo contido na página número 2
CDX-GT50W/GT500/GT500EE/GT550 Power amplifier section NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK Outputs: Speaker outputs (sure seal connectors) OR BASE UNIT Speaker impedance: 4 – 8 ohms The laser diode in the optical pick-up block may suffer electrostatic Maximum power output: 52 W × 4 (at 4 ohms) breakdown because of the potential difference generated by the General charged electrostatic load, etc. on clothing and the human body. Outputs: Audio outputs terminal (front/rear) During repair, pa
Resumo do conteúdo contido na página número 3
CDX-GT50W/GT500/GT500EE/GT550 • CD playback z UNLEADED SOLDER You can play CD-DA (also containing CD TEXT*), CD-R/CD- Boards requiring use of unleaded solder are printed with the lead RW (MP3/WMA files also containing Multi Session and ATRAC free mark (LF) indicating the solder contains no lead. CD (ATRAC3 and ATRAC3plus format). (Caution: Some printed circuit boards may not come printed with the lead free mark due to their particular size.) Type of discs Label on the disc CD-DA : LEAD FREE MARK
Resumo do conteúdo contido na página número 4
CDX-GT50W/GT500/GT500EE/GT550 TABLE OF CONTENTS 1. GENERAL Location of controls and basic operations ............................... 5 Connections ............................................................................. 7 2. DISASSEMBLY 2-1. Sub (FL) Panel Assy ......................................................... 12 2-2. CD Mechanism Block ....................................................... 12 2-3. Main Board ....................................................................... 1
Resumo do conteúdo contido na página número 5
CDX-GT50W/GT500/GT500EE/GT550 SECTION 1 This section is extracted GENERAL from instruction manual. • CDX-GT50W/GT500: US, Canadian Model Location of controls and basic operations 2 3 4 Main unit H GP* /ALBM* +/– buttons* S Z (eject) button 5 To skip groups/albums (press); skip groups/ To eject the disc. albums continuously (press and hold). T Disc slot 5 I SEEK –/+ buttons To insert the disc. CD: The following buttons on the card remote To skip tracks (press); skip tracks commander have also
Resumo do conteúdo contido na página número 6
CDX-GT50W/GT500/GT500EE/GT550 • CDX-GT500EE Location of controls and basic operations 1 2 3 Main unit H GP* /ALBM* +/– buttons* R RESET button 4 To skip groups/albums (press); skip groups/ S Z (eject) button 5 albums continuously (press and hold). To eject the disc. I SEEK –/+ buttons T Disc slot 5 CD: To insert the disc. To skip tracks (press); skip tracks continuously (press, then press again within The following buttons on the card remote about 1 second and hold); reverse/fast- commande
Resumo do conteúdo contido na página número 7
CDX-GT50W/GT500/GT500EE/GT550 • CONNECTIONS • CDX-GT50W/GT500: US, Canadian Model 1 * 4 * Source selector (not supplied) Sélecteur de source Supplied with the CD/MD changer 3 * (non fourni) Fourni avec le changeur de CD/MD XA-C30 5 * BUS AUDIO IN 2 /AUX IN* AUDIO OUT REMOTE FRONT IN 6 L * 1 1 * R * RCA pin cord (not supplied) 2 * Be sure to match the color- BUS AUDIO AUDIO SUB OUT (MONO) AUDIO OUT OUT coded cord for audio to the IN REAR FRONT appropriate jacks from the from car antenna unit
Resumo do conteúdo contido na página número 8
CDX-GT50W/GT500/GT500EE/GT550 • CDX-GT500: AEP, UK Model 1 1 1 1 1 Auxiliary equipment such as portable * Note for the aerial connecting * Hinweis zum Anschließen der Antenne * Remarque sur le raccordement de * Nota per il collegamento dell’antenna * Opmerking bij de antenne-aansluiting DVD player (not supplied) If your car aerial is an ISO (International Wenn Ihre Fahrzeugantenne der l’antenne Se l’antenna dell’auto è di tipo Indien uw auto is uitgerust met een Organisation for Standardisation
Resumo do conteúdo contido na página número 9
CDX-GT50W/GT500/GT500EE/GT550 • CDX-GT500EE Connection diagram A To AMP REMOTE IN of an optional power amplifi er This connection is only for amplifi ers. Connecting any other system may damage the unit. B To the interface cable of a car telephone Warning If you have a power aerial without a relay box, connecting this unit with the supplied power connecting lead 3 may damage the aerial. Notes on the control and power supply leads • The power aerial control lead (blue) supplies +12 V DC when
Resumo do conteúdo contido na página número 10
CDX-GT50W/GT500/GT500EE/GT550 • CDX-GT550 Connection diagram Diagrama de conexión 1 To a metal surface of the car 1 A una superfi cie metálica del automóvil First connect the black earth lead, then connect the orange/ Conecte primero el cable de conexión a masa negro, y después white stripped, yellow, and red power input leads. los cables con rayas naranjas y blancas, amarillo, y rojo de entrada de alimentación. 2 To the power aerial control lead or power 2 Al cable de control de la antena mo
Resumo do conteúdo contido na página número 11
CDX-GT50W/GT500/GT500EE/GT550 SECTION 2 DISASSEMBLY Note : This set can be disassemble according to the following sequence. SET 2-1. SUB (FL) PANEL ASSY (Page 12) 2-2. CD MECHANISM BLOCK (Page 12) 2-10. SERVO BOARD 2-3. MAIN BOARD 2-4. CHASSIS (T) SUB ASSY (Page 16) (Page 13) (Page 13) 2-5. ROLLER ARM ASSY (Page 14) 2-6. CHASSIS (OP) ASSY (Page 14) 2-8. SL MOTOR ASSY (M902) (Page 15) 2-7. OPTICAL PICK-UP 2-9. LE MOTOR ASSY (M903) (Page 15) (Page 16) 11
Resumo do conteúdo contido na página número 12
CDX-GT50W/GT500/GT500EE/GT550 Note : Follow the disassembly procedure in the numerical order given. 2-1. SUB (FL) PANEL ASSY 3 two claws 2 two claws 4 flexible flat cable (22 core) 1 two screws (CN601) (+PTT 2.6 × 6) 5 sub (FL) panel assy 2-2. CD MECHANISM BLOCK 7 bracket (CD) 6 CD mechanism block 5 two screws (+PTT 2.6 × 4) 2 screw 3 (+PTT 2.6 × 6) 1 screw (+PTT 2.6 × 6) 4 CN400 12
Resumo do conteúdo contido na página número 13
CDX-GT50W/GT500/GT500EE/GT550 2-3. MAIN BOARD 2 two screws (+PTT 2.6 × 8) 5 screw 1 three ground point screws (+PTT 2.6 × 8) (+PTT 2.6 × 6) 7 cord (MONO) 3 MAIN board 6 CN200 (3P) 4 insulating sheet 2-4. CHASSIS (T) SUB ASSY 4 claw 2 two screws (+P 1.7 × 2.2) 1 two screws (+P 1.7 × 2.2) 6 chassis (T) sub assy 5 SENSOR board 3 claw 13
Resumo do conteúdo contido na página número 14
CDX-GT50W/GT500/GT500EE/GT550 2-5. ROLLER ARM ASSY 3 washer 5 roller arm assy 4 gear (RA1) 2 spring (RAR-B) 1 spring (RAL-B) 2-6. CHASSIS (OP) ASSY 8 qa chassis (OP) assy 0 coil spring (damper) lever (D) 4 washer 1 optical pick-up (16 core) 6 (CN1) 9 two coil springs (damper) 5 gear (LE1) 7 slider (R) 3 tension spring (KF60) 2 Remove the six solderings. 14
Resumo do conteúdo contido na página número 15
CDX-GT50W/GT500/GT500EE/GT550 2-7. OPTICAL PICK-UP 2 chucking arm sub assy 5 claw 1 tension coil spring (CHKG) 7 optical pick-up 6 main shaft 4 rack (SL) 3 screw (+B 1.4 × 5) 2-8. SL MOTOR ASSY (M902) 1 screw (+P 1.4 × 1.8) 2 SL motor assy (M902) 15
Resumo do conteúdo contido na página número 16
CDX-GT50W/GT500/GT500EE/GT550 2-9. LE MOTOR ASSY (M903) 8 screw 0 gear (LE) assy (+M 1.7 × 2.5) 9 bearing (LEB-N) 2 washer qa screw (+M 1.7 × 2.5) qf two toothed lock screws 3 gear (LE1) (+M 1.4 ) lever (D) 4 bracket (LEM-N) qs screw qg LE motor assy 5 (+M 1.7 × 2.5) (M903) qd 6 screw (+P 1.7 × 2.2) slider (R) 7 leaf spring (LE) 1 Remove the two solderings. 2-10. SERVO BOARD 6 SERVO board 1 Remove the eight solderings. 2 Remove the three solderings. 4 screw 5 claw 3
Resumo do conteúdo contido na página número 17
CDX-GT50W/GT500/GT500EE/GT550 SECTION 3 DIAGRAMS 3-1. BLOCK DIAGRAM — CD SECTION — • R-ch is omitted due to same as L-ch. • Signal Path : CD PLAY DETECTOR PD1 PD2 MAIN RFEQO RFI RFO AGCI CD-L 96 FPI2 83 81 89 88 LO 30 A SECTION 82 RFRPI PD2 PD1 RO 27 (Page 18) R-CH 94 FNI2 97 FPI1 UNISI 56 UNI SI 95 FNI1 RF AMP,DIGITAL SERVO, RXD 25 DIGITAL SIGNAL PROCESSOR IC2 UNISO 57 UNI SO E TXD 26 MAIN E B 100 TNI RFRP 3 2 RFZI LINK OFF 59 LINK OFF SECTION F UNICKI 58 UNI CLK (Page 18) F TEI 98 TPI 6 7 T
Resumo do conteúdo contido na página número 18
CDX-GT50W/GT500/GT500EE/GT550 3-2. BLOCK DIAGRAM — MAIN SECTION — ELECTRONIC VOLUME IC401 SUB OUTLR2 16 (L) AUDIO OUT MUTE (R) Q201 CD OUTLR1 19 L CD-L A 9 SE1L SECTION REAR J200 OUTRR1 18 R-CH (2/2) R-CH 10 SE1R R-CH R (Page 17) AUDIO OUT OUTLF 20 L FRONT OUTRF 17 R-CH R-CH R J200 (1/2) MUTE MUTE L 11 DIFFL BUS Q204 Q205 R-CH 13 DIFFR AUDIO IN 12 DIFFG IC2-BUS CONTROLLED POWER AMP R R-CH /MULTIPLE VOLTAGE REGULATOR AUX IC150 SELECT TU300 SWITCH CN100 (TUNER UNIT) Q200 1 11 IN RL OUT FL+ 5 FL+
Resumo do conteúdo contido na página número 19
CDX-GT50W/GT500/GT500EE/GT550 3-3. BLOCK DIAGRAM — DISPLAY SECTION — SYSTEM CONTROL IC711 (3/3) FL900 VACUUM FLUORESCENT DISPLAYS KEY MATRIX 41 KEYIN0 T620 ENC902,LSW901–905, RECT DC–DC CONVERTER 907–909,S801,908,911–921 D624 40 KEYIN1 TRANSFOMER BATT 37 F+ D712 38 F+ DC/DC 39 F+ KEY ACKNOWLEDGE CONVERTER SWITCH 52 KEY ACK IC620 RECT Q710 ENC902 1 F– D622 1 IN ROTARY 2 F– ENCODER 2 FB 76 XKEY ON 3 F– BATT 31 RE IN0 32 RE IN1 34 VDD2 OSCILLATOR J530 BATTERY 71 RCIN1 FREQUENCY MAIN CHECK (REMOTE I
Resumo do conteúdo contido na página número 20
CDX-GT50W/GT500/GT500EE/GT550 • NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS • WAVEFORMS — SERVO BOARD — (CD PLAY) THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed 4 IC2 ia (RFI) 1 IC2 5 (FEI) 7 IC3 ia (X1) in each block.) For schematic diagrams. For printed wiring boards. Approx. Note: 1Vp-p Note: 0 V 1.1 Vp-p • All capacitors are in µF unless otherwise noted. (p: pF) • X : parts extracted from the component si
