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 AUDIO POWER SPECIFICATIONS (US Model) POWER OUTPUT AND TOTAL HARMONIC DISTORTION 23.
CDX-GT50W/GT500/GT500EE/GT550 Power amplifier section Outputs: Speaker outputs (sure seal connectors) Speaker impedance: 4 – 8 ohms Maximum power output: 52 W × 4 (at 4 ohms) General Outputs: Inputs: Tone controls: Power requirements: Dimensions: Mounting dimensions: Mass: Supplied accessories: Audio outputs terminal (front/rear) Subwoofer output terminal (mono) Power antenna relay control terminal Power amplifier control terminal Telephone ATT control terminal Illumination control terminal BUS contro
CDX-GT50W/GT500/GT500EE/GT550 • CD playback You can play CD-DA (also containing CD TEXT*), CD-R/CDRW (MP3/WMA files also containing Multi Session and ATRAC CD (ATRAC3 and ATRAC3plus format). Type of discs Label on the disc z UNLEADED 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.
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 ....................................................................... 13 2-4.
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 Main unit H GP*2/ALBM*3 +/– buttons*4 To skip groups/albums (press); skip groups/ albums continuously (press and hold). I SEEK –/+ buttons CD: To skip tracks (press); skip tracks continuously (press, then press again within about 1 second and hold); reverse/fastforward a track (press and hold).
CDX-GT50W/GT500/GT500EE/GT550 • CDX-GT500EE Location of controls and basic operations Main unit H GP*1/ALBM*2 +/– buttons*3 To skip groups/albums (press); skip groups/ albums continuously (press and hold). I SEEK –/+ buttons CD: To skip tracks (press); skip tracks continuously (press, then press again within about 1 second and hold); reverse/fastforward a track (press and hold). Radio: To tune in stations automatically (press); find a station manually (press and hold).
CDX-GT50W/GT500/GT500EE/GT550 • CONNECTIONS • CDX-GT50W/GT500: US, Canadian Model *1 *4 Source selector (not supplied) Sélecteur de source (non fourni) *3 Supplied with the CD/MD changer Fourni avec le changeur de CD/MD XA-C30 *5 BUS AUDIO IN /AUX IN*2 AUDIO OUT FRONT REMOTE IN *6 L *1 *1 RCA pin cord (not supplied) *2 Be sure to match the colorcoded cord for audio to the appropriate jacks from the unit. If you connect an optional CD/MD changer, you cannot use AUX IN terminal.
CDX-GT50W/GT500/GT500EE/GT550 • CDX-GT500: AEP, UK Model Auxiliary equipment such as portable DVD player (not supplied) Zusätzliche Geräte wie z. B.
CDX-GT50W/GT500/GT500EE/GT550 • CDX-GT500EE Connection diagram A To AMP REMOTE IN of an optional power amplifier This connection is only for amplifiers. 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.
CDX-GT50W/GT500/GT500EE/GT550 • CDX-GT550 Connection diagram 1 To a metal surface of the car First connect the black earth lead, then connect the orange/ white stripped, yellow, and red power input leads. 2 To the power aerial control lead or power supply lead of aerial booster amplifier Notes • It is not necessary to connect this lead if there is no power aerial or aerial booster, or with a manually-operated telescopic aerial.
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) 2-3. MAIN BOARD (Page 13) 2-7. 2-4. CHASSIS (T) SUB ASSY (Page 13) 2-5. ROLLER ARM ASSY (Page 14) 2-6. CHASSIS (OP) ASSY (Page 14) 2-8. SL MOTOR ASSY (M902) (Page 15) OPTICAL PICK-UP (Page 15) 2-10. SERVO BOARD (Page 16) 2-9.
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) (CN601) 1 two screws (+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 (+PTT 2.6 × 6) 3 1 screw (+PTT 2.
CDX-GT50W/GT500/GT500EE/GT550 2-3. MAIN BOARD 2 two screws (+PTT 2.6 × 8) 1 three ground point screws (+PTT 2.6 × 6) 5 screw (+PTT 2.6 × 8) 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.
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 6 1 optical pick-up (16 core) (CN1) 9 two coil springs (damper) 5 gear (LE1) 7 slider (R) 3 tension spring (KF60) 2 Remove the six solderings.
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.
CDX-GT50W/GT500/GT500EE/GT550 2-9. LE MOTOR ASSY (M903) 8 screw (+M 1.7 × 2.5) 0 gear (LE) assy 9 bearing (LEB-N) qf two toothed lock screws (+M 1.4 ) 2 washer qa screw (+M 1.7 × 2.5) 3 gear (LE1) lever (D) 4 bracket (LEM-N) qs screw (+M 1.7 × 2.5) qd qg LE motor assy (M903) 5 6 screw (+P 1.7 × 2.2) slider (R) 7 leaf spring (LE) 1 Remove the two solderings. 2-10. SERVO BOARD 1 Remove the eight solderings. 6 SERVO board 2 Remove the three solderings.
CDX-GT50W/GT500/GT500EE/GT550 SECTION 3 DIAGRAMS 3-1. BLOCK DIAGRAM — CD SECTION — • R-ch is omitted due to same as L-ch.
CDX-GT50W/GT500/GT500EE/GT550 3-2.
CDX-GT50W/GT500/GT500EE/GT550 3-3.
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 in each block.) 1 For schematic diagrams. For printed wiring boards. Note: • All capacitors are in µF unless otherwise noted. (p: pF) 50 WV or less are not indicated except for electrolytics and tantalums.
CDX-GT50W/GT500/GT500EE/GT550 3-5. PRINTED WIRING BOARDS — CD MECHANISM SECTION — • Refer to page 20 for Circuit Boards Location. 2 1 3 4 5 6 7 : Uses unleaded solder.
CDX-GT50W/GT500/GT500EE/GT550 3-6. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (1/2) — • Refer to page 20 for Waveforms.
CDX-GT50W/GT500/GT500EE/GT550 • Refer to page 20 for Waveforms. • Refer to page 33 for IC Block Diagrams. 3-7. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (2/2) — • Refer to page 36 for IC Pin Description of IC3.
CDX-GT50W/GT500/GT500EE/GT550 3-8. PRINTED WIRING BOARD — MAIN SECTION — • Refer to page 20 for Circuit Boards Location. 14 13 12 11 10 : Uses unleaded solder.
CDX-GT50W/GT500/GT500EE/GT550 2 1 3 4 5 J200 L A J300 (ANTENNA) BUS AUDIO IN L -1 R AUDIO OUT REAR L -2 -3 R AUDIO OUT FRONT L -4 -5 SUB AUDIO OUT 6 7 8 9 10 11 12 13 14 R R CNJ450 (BUS CONTROL IN) -6 GT50W/GT500:US,CND/GT550 J530 (REMOTE IN) CN100 F901 B D117 D115 D118 D113 C172 D116 D112 D110 C228 C225 1 CN200 3 D108 C227 C D114 D111 IC150 C100 GT500:AEP,UK/GT500EE L100 C221 C152 C250 C500 C451 C510 C703 C704 C156 E TH450 C202 C203 C16
CDX-GT50W/GT500/GT500EE/GT550 • Refer to page 20 for Waveforms. 3-9. SCHEMATIC DIAGRAM — MAIN SECTION (1/3) — • Refer to page 33 for IC Block Diagrams.
CDX-GT50W/GT500/GT500EE/GT550 3-10. SCHEMATIC DIAGRAM — MAIN SECTION (2/3) — • Refer to page 34 for IC Block Diagrams.
CDX-GT50W/GT500/GT500EE/GT550 • Refer to page 20 for Waveforms. 3-11. SCHEMATIC DIAGRAM — MAIN SECTION (3/3) — • Refer to page 38 for IC Pin Description of IC711.
CDX-GT50W/GT500/GT500EE/GT550 3-12. PRINTED WIRING BOARD — SUB SECTION — • Refer to page 20 for Circuit Boards Location. 1 2 3 4 5 6 : Uses unleaded solder.
CDX-GT50W/GT500/GT500EE/GT550 3-13.
CDX-GT50W/GT500/GT500EE/GT550 3-14. PRINTED WIRING BOARD — KEY SECTION — • Refer to page 20 for Circuit Boards Location.
CDX-GT50W/GT500/GT500EE/GT550 3-15. SCHEMATIC DIAGRAM — KEY SECTION — • Refer to page 20 for Waveforms.
CDX-GT50W/GT500/GT500EE/GT550 • IC Block Diagrams IC1 BA5968FP-E2 (SERVO Board (2/2)) 28 REV FWD 1 FWD REV 27 OPIN4+ LDCTL 2 OUTR OUTF NC 3 26 OPIN4– OPOUT1 4 25 OPOUT4 NC 5 24 OPIN3+ NC 6 23 OPIN3– OPOUT2 7 POWVCC 8 VOL– 9 22 OPOUT3 VCC MUTE VOL+ 10 21 MUTE 20 VOL+ 19 GND 18 VOL3– VOL2– 11 LEVEL SHIFT LEVEL SHIFT VOL2+ 12 17 VOL3+ VO1– 13 16 VOL4– LEVEL SHIFT LEVEL SHIFT VO1+ 14 15 VOL4+ IC350 TDA7333013TR (MAIN Board (1/3)) 3 INTERPOLATOR BAND PASS FILTER REF2 3 REF1 4 VSS
CDX-GT50W/GT500/GT500EE/GT550 IC150 TDA8588AJ/N2/R1 (MAIN Board (1/3)) TAB 1 2 SDA OUT FL- 3 I2C BUS 4 SCL FL OUT FL+ 5 6 VP2 OUT RL- 7 RL 8 PGND3 OUT RL+ 9 PROTECTION DIAGNOSTIC 12 INFL 14 INFR MUTE SGND 13 10 SVR MUTE INRL 11 INRR 15 16 AC GND VP OUT RR+ 17 RR 18 PGND2 OUT RR- 19 20 VP1 OUT FR+ 21 STANDBY MUTE FR OUT FR- 23 22 STB CHIP DETECT DIAGNOSTIC 24 PGND1 TEMPERATURE PROTECTION DIAG 25 ENABLE LOGIC 26 RST SW2(ANT REM) 27 SWITCH SW1(ANT REM) 29 SWITCH 28 CRES REGULA
CDX-GT50W/GT500/GT500EE/GT550 IC401 TDA7419TR (MAIN Board (1/3)) MIX MIX HPF SOFTSEP MONO FADER SOFTSEP MONO FADER SOFTSEP MONO FADER SOFTSEP MONO FADER SOFTSEP MONO FADER ACOUTR 1 SOFTSEP MONO FADER HPF ACINR 2 ACINL 3 SUBWOOFER L.P.
CDX-GT50W/GT500/GT500EE/GT550 • IC Pin Descriptions IC3 MB90486BPFV-G-177E1 (CD SYSTEM CONTROL) (SERVO BOARD (2/2)) Pin No. Pin Name I/O Pin Description 1 CDON 1500MV O Servo 1.5 V power supply control signal output 2 to 5 6 NC DRVON — O Not used.
CDX-GT50W/GT500/GT500EE/GT550 Pin No. 64 Pin Name CDON I/O O Pin Description Servo power supply control signal output H: power on 65 66 XUART ZMUTE I O Sony-Bus/MC-Bus change signal input Zero detection mute signal output 67 68 MECON CHK CDON CHK I I MECON rising detection signal input CDON rising detection signal input 69 to 74 75 NC RSTX — I Not used. (Open) System reset signal input 76 77 NC X1A — — Not used.
CDX-GT50W/GT500/GT500EE/GT550 IC711 MB90487APF-G-162E1 (SYSTEM CONTROL) (MAIN BOARD (3/3)) Pin No. Pin Name I/O Pin Description 1 AREASEL2 I Destination setting pin 2 3 AREASEL1 AREASEL0 I I Destination setting pin Destination setting pin 4 5 NCO NOSE SW O I Not used. (Open) Front panel open/close detect signal input 6 7 NCO BEEP O O Not used.
CDX-GT50W/GT500/GT500EE/GT550 Pin No. 52 Pin Name KEYACK I/O I Pin Description Key acknowledgment detect signal input 53 54 TU ATTIN BUIN I I Tuner mute zero cross detect signal input (AEP, UK model only) Back-up power supply detect signal input 55 56 NCO DAVN O I Not used. (Open) RDS data block synchronized detect signal input (AEP, UK model only) 57 58 NCO UNISI O I Not used.
CDX-GT50W/GT500/GT500EE/GT550 SECTION 4 EXPLODED VIEWS NOTE: • The mechanical parts with no reference number in the exploded views are not supplied. • Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. • -XX and -X mean standardized parts, so they may have some difference from the original one. • Color Indication of Appearance Parts Example : KNOB, BALANCE (WHITE) ...
CDX-GT50W/GT500/GT500EE/GT550 4-2. FRONT PANEL SECTION 59 57 ENC902 57 56 58 not supplied (KEY board) not supplied FL900 not supplied not supplied not supplied not supplied 55 not supplied not supplied 51 52 54 53 Ref. No. Part No.
CDX-GT50W/GT500/GT500EE/GT550 4-3. CD MECHANISM SECTION (1) (MG-611WA-186//Q) 102 not supplied (SENSOR board) 101 not supplied #4 not supplied not supplied not supplied 103 104 106 105 108 107 Ref. No. 101 102 103 104 105 42 Part No. Description A-3372-444-C 3-253-729-11 3-257-892-12 3-257-892-01 2-345-767-11 CHASSIS (T) SUB ASSY SPRING (LR), TENSION COIL SPRING (DAMPER), COIL (GREEN) SPRING (DAMPER), COIL (NATURAL) SPRING (KF60), TENSION Remark Ref. No. 106 107 108 #4 Part No.
CDX-GT50W/GT500/GT500EE/GT550 4-4. CD MECHANISM SECTION (2) (MG-611WA-186//Q) 155 156 157 154 (including M901) #5 M902 not supplied SW4 not supplied not supplied not supplied 153 not supplied 151 152 Ref. No. Part No. Description Remark 151 152 0 153 154 155 A-1075-644-A 3-316-938-91 8-820-207-12 A-1075-645-A A-3372-449-A CHASSIS (OP) COMPLETE ASSY SCREW (B1.4X5), TAPPING OPTICAL PICK-UP (KSS1000E/K1RP) CHASSIS (OP) SUB ASSY (including M901) ARM SUB ASSY, CHUCKING Ref. No.
CDX-GT50W/GT500/GT500EE/GT550 4-5. CD MECHANISM SECTION (3) (MG-611WA-186//Q) 203 201 202 207 211 204 209 208 210 205 207 207 M903 #4 206 Ref. No. Part No. Description 201 202 203 204 205 3-348-993-01 2-186-699-01 A-1075-641-C 2-635-295-01 2-635-296-01 WASHER GEAR (RA1) ARM ASSY, ROLLER SPRING (RAL-B) SPRING (RAR-B) 206 207 3-259-469-12 SPRING (LE), LEAF 2-134-636-21 SCREW (M1.7X2.5) 44 Remark Ref. No. Part No.
CDX-GT50W/GT500/GT500EE/GT550 4-6. CD MECHANISM SECTION (4) (MG-611WA-186//Q) 254 255 252 258 251 256 253 257 Ref. No. 251 252 253 254 Part No. Description 2-186-700-01 3-344-223-01 3-259-470-12 3-253-755-41 GEAR (CHK1) WASHER GEAR (LE1) LEVER (D) Remark Ref. No. Part No.
CDX-GT50W/GT500/GT500EE/GT550 SECTION 5 KEY ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set. • -XX and -X mean standardized parts, so they may have some difference from the original one. • RESISTORS All resistors are in ohms. METAL:Metal-film resistor. METAL OXIDE: Metal oxide-film resistor. F:nonflammable Ref. No. Part No.
CDX-GT50W/GT500/GT500EE/GT550 KEY Ref. No. LED910 LED911 LED911 LED912 LED912 Part No.
CDX-GT50W/GT500/GT500EE/GT550 KEY Ref. No. Part No.
CDX-GT50W/GT500/GT500EE/GT550 MAIN Ref. No. Part No. Description A-1156-591-A A-1158-884-A A-1158-896-A A-1158-918-A MAIN BOARD, COMPLETE (US,CND) MAIN BOARD, COMPLETE (AEP,UK) MAIN BOARD, COMPLETE (GT550) MAIN BOARD, COMPLETE (GT500EE) ********************* Remark C206 1-126-960-11 ELECT 1uF C209 C210 C211 1-165-908-11 CERAMIC CHIP 1-165-908-11 CERAMIC CHIP 1-124-721-85 ELECT 1uF 1uF 10uF 7-621-284-40 7-685-134-19 7-685-793-09 7-685-795-09 SCREW +P 2.6X10 SCREW +P 2.
CDX-GT50W/GT500/GT500EE/GT550 MAIN Ref. No. Part No. Description C306 C307 C308 C309 C310 1-162-970-11 1-126-947-11 1-162-970-11 1-162-970-11 1-107-826-11 CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP Part No. Description 0.01uF 47uF 0.01uF 0.01uF 0.1uF 10% 20% 10% 10% 10% 25V 35V 25V 25V 16V C350 C628 C629 C642 C644 C700 1-107-826-11 1-126-933-11 1-107-826-11 1-162-964-11 1-126-933-11 CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP ELECT 0.1uF 100uF 0.1uF 0.
CDX-GT50W/GT500/GT500EE/GT550 MAIN Ref. No. Part No. Description Part No. Description D118 D200 D250 D252 D300 6-501-362-01 6-501-170-01 6-501-051-01 6-501-193-01 6-501-168-01 DIODE DIODE DIODE DIODE DIODE 1A4-TA26 UDZW-TE17-6.8B BAT54CLT1G 1SS355WTE-17 UDZW-TE17-5.6B Remark L351 L355 L400 L401 L402 1-414-760-21 1-469-844-11 1-500-245-11 1-469-876-11 1-216-295-11 INDUCTOR, FERRITE BEAD (AEP,UK) INDUCTOR 2.
CDX-GT50W/GT500/GT500EE/GT550 MAIN Ref. No. Part No. Description R204 R205 R206 R207 R208 1-216-825-11 1-216-833-11 1-216-833-11 1-216-809-11 1-216-809-11 METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP 2.
CDX-GT50W/GT500/GT500EE/GT550 MAIN Ref. No. Part No. Description R633 R634 R635 R636 R637 1-216-821-11 1-216-848-11 1-216-864-11 1-216-839-11 1-216-809-11 METAL CHIP METAL CHIP SHORT CHIP METAL CHIP METAL CHIP 1K 180K 0 33K 100 Remark Part No.
CDX-GT50W/GT500/GT500EE/GT550 SENSOR Ref. No. SERVO Part No. Description Remark SENSOR BOARD ************** < SWITCH > SW2 1-529-566-61 SWITCH, PUSH (1 KEY) (SELF) SW3 1-529-566-61 SWITCH, PUSH (1 KEY) (DISC IN) ************************************************************* Ref. No. Part No.
CDX-GT50W/GT500/GT500EE/GT550 SERVO Ref. No. Part No.
CDX-GT50W/GT500/GT500EE/GT550 Ref. No. Part No. Description Remark Ref. No.
CDX-GT50W/GT500/GT500EE/GT550 MEMO 57
CDX-GT50W/GT500/GT500EE/GT550 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper on the revised page allows you to jump to the next revised page. Ver. 1.0 58 Date 2005.
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