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SERVICE MANUAL
Ver. 1.0 2010.08
• The tuner and CD sections have no adjustments.
AUDIO POWER SPECIFICATIONS
(US model)
CEA2006 Standard
Power Output: 17 Watts RMS × 4 at
4 Ohms < 1 % THD + N
SN Ratio: 80 dBA
(reference: 1 Watt into 4 Ohms)
Tuner section
FM
Tuning range:
US, CND model: 87.5 – 107.9 MHz
AEP, UK, RU, EA model:
87.5 – 108.0 MHz
E, MX model:
87.5 – 108.0 MHz (at 50 kHz step)
87.5 – 108.0 MHz (at 100 kHz step)
87.5 – 107.9 MHz (at 200 kHz step)
FM tuning step:
E, MX model:
50 kHz/100 kHz/200 kHz switchable
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 150 kHz
Usable sensitivity: 10 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 70 dB (mono)
Separation: 40 dB at 1 kHz
Frequency response: 20 – 15,000 Hz
Sony Corporation
9-889-939-01
2010H04-1
Audio&Video Business Group
©
2010.08
Published by Sony Techno Create Corporation
Photo: CDX-GT550UI: US, Canadian model
SPECIFICATIONS
AM (US, CND, E, EA, MX model)
Tuning range:
US, CND model: 530 – 1,710 kHz
E, MX model:
531 – 1,602 kHz (at 9 kHz step)
530 – 1,710 kHz (at 10 kHz step)
EA model: 531 – 1,602 kHz
AM tuning step:
E, MX model:
9 kHz/10 kHz switchable
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Sensitivity: 26 μV
FM/AM COMPACT DISC PLAYER
FM/MW/LW COMPACT DISC PLAYER
CDX-GT55UIW/
GT550UI/GT600UI
CDX-GT55UIW/GT550UI
Canadian Model
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
MW/LW (AEP, UK, RU model)
Tuning range:
MW: 531 – 1,602 kHz
LW: 153 – 279 kHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Sensitivity: MW: 26 μV, LW: 45μV
CD player section
Signal-to-noise ratio: 120 dB
Frequency response: 10 – 20,000 Hz
Wow and fl utter: Below measurable limit
– Continued on next page –
US, Canadian, E, Saudi Arabia, Mexican model
AEP, UK, Russian model
US Model
AEP Model
UK Model
CDX-GT550UI
E Model
CDX-GT600UI
NEW
MG-101P-188
DAX-25A

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Table of Contents

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   Summary of Contents for Sony CDX-GT55UIW

  • Page 1 Frequency response: 20 – 15,000 Hz US, Canadian, E, Saudi Arabia, Mexican model FM/AM COMPACT DISC PLAYER AEP, UK, Russian model FM/MW/LW COMPACT DISC PLAYER Sony Corporation 9-889-939-01 2010H04-1 Audio&Video Business Group © 2010.08 Published by Sony Techno Create Corporation...
  • Page 2 LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONC- TIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DON- NÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
  • Page 3: Table Of Contents

    CDX-GT55UIW/GT550UI/GT600UI Except US, Canadian model: TABLE OF CONTENTS SERVICE NOTE ............GENERAL Connections ..............This label is located on the bottom of the chassis. DISASSEMBLY 3-1. Sub Panel Assy ............... 3-2. CD Mechanism Block ............. 3-3. Main Board ..............10 UNLEADED SOLDER 3-4.
  • Page 4: Service Note

    CDX-GT55UIW/GT550UI/GT600UI SECTION 1 SERVICE NOTE EXTENSION CABLE AND SERVICE POSITION When repairing or servicing this set, connect the jig (extension cable) as shown below. • Connect the MAIN board (CN701) and the SERVO board (CN401) with the extension cable (Part No. J-2502-076-1).
  • Page 5: General

    CDX-GT55UIW/GT550UI/GT600UI SECTION 2 GENERAL This section is extracted from instruction manual. • CONNECTIONS • US, Canadian model Satellite radio tuner (XM/SIRIUS) Sintonizador de radio por satélite (XM/SIRIUS) FRONT AUDIO OUT REMOTE BUS AUDIO IN RCA pin cord (not supplied) AUDIO OUT can be switched SUB or REAR. For from car antenna (aerial) details, see the supplied Operating Instructions.
  • Page 6 CDX-GT55UIW/GT550UI/GT600UI • CONNECTIONS • AEP, UK, Russian model Note for the antenna (aerial) connecting Hinweis zum Anschließen der Antenne Remarque sur le raccordement de l’antenne Nota per il collegamento dell’antenna Opmerking bij de antenne-aansluiting If your car antenna (aerial) is an ISO (International...
  • Page 7 CDX-GT55UIW/GT550UI/GT600UI • CONNECTIONS • E, Saudi Arabia, Mexican model Speaker impedance: o ms Impedancia de los altavoces: RCA pin cord (not supplied) AUDIO OUT can be switched SUB or REAR. Cable con terminales RCA (no suministrado) For details, see the supplied Operating AUDIO OUT (salida de audio) puede Instructions.
  • Page 8: Disassembly

    CDX-GT55UIW/GT550UI/GT600UI SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. SUB PANEL ASSY (Page 9) 3-2. CD MECHANISM BLOCK (Page 9) 3-4. SERVO BOARD 3-3. MAIN BOARD (Page 10) (Page 10) 3-5. CHASSIS (T) SUB ASSY (Page 11) 3-6.
  • Page 9: Sub Panel Assy

    CDX-GT55UIW/GT550UI/GT600UI Note: Follow the disassembly procedure in the numerical order given. 3-1. SUB PANEL ASSY 3 two claws 2 two claws 1 two screws (+PTT 2.6 4 sub panel assy 3-2. CD MECHANISM BLOCK 7 bracket (CD) 8 CD mechanism block 6 two screws (+PTT 2.6...
  • Page 10: Main Board

    CDX-GT55UIW/GT550UI/GT600UI 3-3. MAIN BOARD 2 two screws 4 screw (+PTT 2.6 (+PTT 2.6 5 two screws (+P 2.6 6 two screws 1 three ground point screws (+PTT 2.6 (+PTT 2.6 7 two screws (+P 2.6 8 screw (+PTT 2.6 9 heat sink...
  • Page 11: Chassis (t) Sub Assy

    CDX-GT55UIW/GT550UI/GT600UI 3-5. CHASSIS (T) SUB ASSY 2 two screws 1 two screws (M 1.7 2.5) (M 1.7 2.5) 4 chassis (T) sub assy 3 claw 3-6. ROLLER ARM ASSY 6 roller arm assy 4 gear (RA1) 1 spring (RAL) 3 washer...
  • Page 12: Chassis (op) Assy

    CDX-GT55UIW/GT550UI/GT600UI 3-7. CHASSIS (OP) ASSY 6 chassis (OP) assy 1 tension spring (KF) 7 two coil springs (damper) (natural) 8 coil spring (damper) (green) 4 slider (R) 3 lever (D) 2 gear (LE1) 3-8. CHUCKING ARM SUB ASSY 3 chucking arm sub assy 1 spring Note: Have this portion receive the chassis.
  • Page 13: Sled Motor Assy

    CDX-GT55UIW/GT550UI/GT600UI 3-9. SLED MOTOR ASSY 2 three serration screws (M 2 3 sled motor assy 1 spring turn table spring stand Note: Never remove these parts since they were adjusted. bearing (F) stand Note: Place the stand with care not to touch the turn table.
  • Page 14: 3-10. Optical Pick-up Section

    CDX-GT55UIW/GT550UI/GT600UI 3-10. OPTICAL PICK-UP SECTION 2 optical pick-up section Note: Be careful not to touch the lens and hologram terminal when removing the optical pick-up section. 3-11. OPTICAL PICK-UP 1 tapping screw (P 1.4) 2 leaf spring (OPS) 3 rack...
  • Page 15: Diagrams

    CDX-GT55UIW/GT550UI/GT600UI SECTION 4 DIAGRAMS 4-1. BLOCK DIAGRAM – MAIN Section – AEP,UK,RU MODEL J401 AUDIO REAR/SUB R-CH E,EA,MX MODEL REAR/SUB J402 R-CH AUDIO ELECTRONIC VOLUME US,CND MODEL IC401 FRONT J403 (1/2) R-CH 1 BUS_LCH R-CH 2 BUS_RCH AUDIO IN US,CND MODEL...
  • Page 16: Block Diagram -display Section

    CDX-GT55UIW/GT550UI/GT600UI 4-2. BLOCK DIAGRAM – DISPLAY Section – SYSTEM CONTROL LCD DRIVER,LED CONTROL IC501 (2/2) IC901 SEG48 KEYIN1 KEY MATRIX LCD901 LSW905–912, LCD_SO DATA SEG1 LIQUID PANEL+B S901–907 KEYIN0 LCD_CLK CLK LCD CRYSTAL DISPLAY LED903,905,907,909, LED902,904,906,908, LCD_CE 92 KEYACK1 PANEL...
  • Page 17 CDX-GT55UIW/GT550UI/GT600UI THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. • Waveforms (In addition to this, the necessary note is printed in each block.) – MAIN Board – For Printed Wiring Boards. For Schematic Diagrams. Note: Note: IC501 qa (XOUT) •...
  • Page 18: Printed Wiring Board -main Section

    CDX-GT55UIW/GT550UI/GT600UI 4-3. PRINTED WIRING BOARD – MAIN Section – • : Uses unleaded solder. J403 (US,CND) J401 (AEP,UK,RU) J402 AUDIO OUT (E,EA,MX) AUDIO OUT AUDIO IN REAR/SUB FRONT US,CND,E,EA,MX MODEL J801 (REMOTE IN) CN801 (BUS CONTROL IN) JW300 JC277 CN301...
  • Page 19: Schematic Diagram -main Section (1/3)

    CDX-GT55UIW/GT550UI/GT600UI 4-4. SCHEMATIC DIAGRAM – MAIN Section (1/3) – • See page 24 for IC Block Diagram. AEP,UK,RU MODEL US,CND,E,EA,MX MODEL RL– FRONT L-CH – FL– REAR MAIN BOARD (1/3) IC301 IC B/D L-CH – FR– REAR IC301 R-CH –...
  • Page 20: Schematic Diagram -main Section (2/3)

    CDX-GT55UIW/GT550UI/GT600UI 4-5. SCHEMATIC DIAGRAM – MAIN Section (2/3) – • See page 17 for Waveforms. • See page 24 for IC Block Diagrams. • See page 26 for IC Pin Function Description of IC501. (Page 19) MAIN BOARD (1/3) MAIN BOARD (2/3)
  • Page 21: Schematic Diagram -main Section (3/3)

    CDX-GT55UIW/GT550UI/GT600UI 4-6. SCHEMATIC DIAGRAM – MAIN Section (3/3) – • See page 17 for Waveforms. • See page 24 for IC Block Diagrams. MAIN BOARD (3/3) US,CND MODEL J403 C426 100p FRONT C421 100p C423 100p AUDIO OUT R406 C412...
  • Page 22: Printed Wiring Board -key Section

    CDX-GT55UIW/GT550UI/GT600UI 4-7. PRINTED WIRING BOARD – KEY Section – • : Uses unleaded solder. LED902,903, S901 LED906,907,931,932,935,936 (ILLUMINATOR) LED914,915, S902 R979 SOURCE/OFF LED904,905 LED910,911, DISC SLOT S903 INDICATOR R920 R996 SEEK+ S902 S903 LED932 LED904 LED905 > R942 LED915 LED914...
  • Page 23: Schematic Diagram -key Section

    CDX-GT55UIW/GT550UI/GT600UI 4-8. SCHEMATIC DIAGRAM – KEY Section – KEY BOARD R940 R906 R986 FB902 FB901 J901 IC902 R905 IC902 PNA4813M01S0 FB903 REMOTE CONTROL SIGNAL RECEIVER LSW905 R901 DSPL/SCRL R920 S901 R900 R960 R962 CN901 R928 C915 1000p USB_GND R963 R961...
  • Page 24 CDX-GT55UIW/GT550UI/GT600UI • IC Block Diagrams IC301 TDF8556AJ/N3 (MAIN Board (1/3)) IC402 TK11133CSCL-G (MAIN Board (1/3)) IC601 BD9070FP-E2 (MAIN Board (2/3)) (Except AEP, UK model) IC301 TDF8556AJ/N3/M5 (MAIN Board (1/3)) PVIN (AEP, UK model) PVIN – I2C_SIO OVERHEAT & OVERCURRENT OUT-FL–...
  • Page 25 CDX-GT55UIW/GT550UI/GT600UI IC401 BD3467FV-E2 (MAIN Board (3/3)) FADER FADER BOOST AU_OUT_SL FADER FADER BUS_LCH 1 BOOST AU_OUT_SR BUS_RCH 2 FADER FADER TU_LCH 3 AU_OUT_RL BOOST TU_RCH 4 FADER FADER AU_OUT_RR BOOST AUX_LCH 5 FADER FADER AUX_GND 6 AU_OUT_FL BOOST AUX_RCH 7...
  • Page 26 SONY BUS serial data output (US, Canadian model) UNISI SONY BUS serial data input (US, Canadian model) UNISCK SONY BUS serial clock signal output (US, Canadian model) BYTE External data bus width select signal input (Connect to VSS in this set) CNVSS Flash writer IF (CNVSS) signal input (L: normally operation, H: fl...
  • Page 27 CDX-GT55UIW/GT550UI/GT600UI Pin No. Pin Name Description DIAG Condition signal input from power amp IC AMPSTB Standby signal output for power regulator IC Cyril correspondance discrimination signal input (L: No correspondance) (Fixed at L in this CYRIL_SEL set) VCC2 ― Power supply pin (+3.3 V) Not used.
  • Page 28: Exploded Views

    CDX-GT55UIW/GT550UI/GT600UI SECTION 5 EXPLODED VIEWS Note: • -XX and -X mean standardized parts, so • Color Indication of Appearance Parts Ex- The components identifi ed by mark 0 they may have some difference from the ample: or dotted line with mark 0 are critical for original one.
  • Page 29: Front Panel Section

    CDX-GT55UIW/GT550UI/GT600UI 5-2. FRONT PANEL SECTION not supplied (KEY board) RE901 not supplied LCD901 J901 CN902 not supplied not supplied not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-2548-798-1 BUTTON ASSY (S) (US,CND,E,EA,MX)
  • Page 30: Cd Mechanism Section (mg-101p-188)

    CDX-GT55UIW/GT550UI/GT600UI 5-3. CD MECHANISM SECTION (MG-101P-188) not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No.
  • Page 31: Electrical Parts List

    CDX-GT55UIW/GT550UI/GT600UI SECTION 6 ELECTRICAL PARTS LIST Note: • Due to standardization, replacements in • COILS The components identifi ed by mark 0 the parts list may be different from the uH: μH or dotted line with mark 0 are critical for parts specifi...
  • Page 32 CDX-GT55UIW/GT550UI/GT600UI Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < SWITCH > R949 1-216-812-11 METAL CHIP 1/10W R951 1-216-812-11 METAL CHIP 1/10W LSW905 1-798-342-11 SWITCH, TACTILE (WITH LED) (DSPL/SCRL) R952 1-216-815-11 METAL CHIP 1/10W LSW906 1-798-342-11...
  • Page 33 CDX-GT55UIW/GT550UI/GT600UI MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < VARISTOR > C327 1-162-923-11 CERAMIC CHIP 47PF C328 1-162-964-11 CERAMIC CHIP 0.001uF VDR906 1-804-988-21 VARISTOR, CHIP (1608) C329 1-115-340-11 CERAMIC CHIP 0.22uF VDR908 1-804-988-21 VARISTOR, CHIP (1608)
  • Page 34 CDX-GT55UIW/GT550UI/GT600UI MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C522 1-162-970-11 CERAMIC CHIP 0.01uF D315 6-502-643-01 DIODE 1A4-A2 C523 1-162-970-11 CERAMIC CHIP 0.01uF D316 6-502-643-01 DIODE 1A4-A2 C600 1-125-972-61 ELECT 100uF D317 6-502-643-01 DIODE 1A4-A2...
  • Page 35 CDX-GT55UIW/GT550UI/GT600UI MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < JUMPER RESISTOR > < TRANSISTOR > JC103 1-216-296-11 SHORT CHIP Q301 8-729-620-13 TRANSISTOR 2SC4154TP-1EF JC106 1-216-864-11 SHORT CHIP Q303 8-729-620-13 TRANSISTOR 2SC4154TP-1EF (AEP,UK,RU) JC116 1-216-296-11...
  • Page 36 CDX-GT55UIW/GT550UI/GT600UI MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R414 1-216-821-11 METAL CHIP 1/10W R538 1-216-845-11 METAL CHIP 100K 1/10W (US,CND) (US,CND) R415 1-216-817-11 METAL CHIP 1/10W R539 1-216-809-11 METAL CHIP 1/10W R416 1-216-817-11 METAL CHIP...
  • Page 37 CDX-GT55UIW/GT550UI/GT600UI MAIN SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R602 1-216-817-11 METAL CHIP 1/10W A-1768-001-A SERVO BOARD, COMPLETE R603 1-245-816-11 METAL CHIP 2.2K 0.5% 1/10W ********************** R604 1-216-827-11 METAL CHIP 3.3K 1/10W ************************************************************* R605...
  • Page 38 CDX-GT55UIW/GT550UI/GT600UI Ref. No. Part No. Description Remark PARTS FOR INSTALLATION AND CONNECTIONS ************************************** X-2548-065-1 FRAME ASSY, FITTING 1-465-459-41 ADAPTOR, ANTENNA (AEP,UK,RU) 1-831-838-11 CORD (WITH CONNECTOR) (ISO) (POWER) (AEP,UK,RU) 1-833-974-21 CONNECTION CORD FOR AUTOMOBILE (POWER) (US,CND,E,EA,MX) 3-876-675-01 KEY (FRAME) 4-183-280-01 COLLAR...
  • Page 39 CDX-GT55UIW/GT550UI/GT600UI MEMO...
  • Page 40 CDX-GT55UIW/GT550UI/GT600UI REVISION HISTORY Checking the version allows you to jump to the revised page. Also, clicking the version at the top of the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2010.08...

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