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Sony CDX-GT41UW Service Manual

Fm/am compact disc player
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SERVICE MANUAL
Ver. 1.2 2007.03
• The tuner and CD sections have no adjustments.
AUDIO POWER SPECIFICATIONS (US MODEL)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
23.2 watts per channel minimum continuous average power into
4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more
than 5% total harmonic distortion.
CD player section
Signal-to-noise ratio
120 dB
Frequency response
10 – 20,000 Hz
Wow and flutter
Below measurable limit
Tuner section
FM
Tuning range
GT41UW/GT410U:
87.5 – 107.9 MHz
GT460U/GT460US:
87.5 – 108.0 MHz (at 50 kHz step)
87.5 – 107.9 MHz (at 200 kHz step)
FM tuning interval
GT460U/GT460US:
50 kHz/200 kHz switchable
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 kHz
0.5% (stereo), 0.3% (mono)
Separation
35 dB at 1 kHz
Frequency response
30 – 15,000 Hz
Sony Corporation
9-887-470-03
eVehicle Division
2007C04-1
Published by Sony Techno Create Corporation
© 2007.03
CDX-GT41UW/GT410U/
GT460U/GT460US
(Photo: CDX-GT460U)
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
AM
Tuning range
AM tuning interval
Antenna terminal
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity
USB player section
Interface
Maximum current
Power amplifier section
Outputs
Speaker impedance
Maximum power output
FM/AM COMPACT DISC PLAYER
US Model
Canadian Model
CDX-GT41UW/GT410U
E Model
CDX-GT460U/GT460US
Chinese Model
CDX-GT460U
NEW
MG-101U-188//Q
DAX-25A
GT41UW/GT410U:
530 – 1,710 kHz
GT460U/GT460US:
531 – 1,602 kHz (at 9 kHz step)
530 – 1,710 kHz (at 10 kHz step)
GT460U/GT460US:
9 kHz/10 kHz switchable
External antenna connector
30 µV
USB (Full-speed)
500 mA
Speaker outputs (sure seal connectors)
4 – 8 ohms
52 W × 4 (at 4 ohms)
– Continued on next page –

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  Summary of Contents for Sony CDX-GT41UW

  • Page 1 0.5% (stereo), 0.3% (mono) Separation 35 dB at 1 kHz Frequency response 30 – 15,000 Hz – Continued on next page – FM/AM COMPACT DISC PLAYER Sony Corporation 9-887-470-03 eVehicle Division 2007C04-1 Published by Sony Techno Create Corporation © 2007.03...
  • Page 2 NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
  • Page 3 CDX-GT41UW/GT410U/GT460U/GT460US • This compact disc player is classified as a CLASS 1 LASER UNLEADED SOLDER product. The CLASS 1 LASER PRODUCT label is located on the Boards requiring use of unleaded solder are printed with the lead- exterior. free mark (LF) indicating the solder contains no lead.
  • Page 4: Table Of Contents

    CDX-GT41UW/GT410U/GT460U/GT460US Ver. 1.2 NOTE FOR REPLACEMENT OF THE SERVO BOARD TABLE OF CONTENTS When repairing, the complete SERVO board (A-1206-357-A) should be replaced since any parts in the SERVO board cannot be repaired. GENERAL Location of Controls ............5 Connections ..............6...
  • Page 5: General

    SECTION 1 GENERAL This section is extracted from instruction manual. • LOCATION OF CONTROLS • CDX-GT41UW/GT410U Location of controls and basic operations Main unit K SEEK –/+ buttons The following buttons on the card remote commander have also different buttons/functions...
  • Page 6: Connections

    CDX-GT41UW/GT410U/GT460U/GT460US • CONNECTIONS • CDX-GT41UW/GT410U Connection example Notes (2- A ) • Be sure to connect the ground (earth) lead before connecting the amplifi er. • The alarm will only sound if the built-in amplifi er is used. Tip (2- B - ) For connecting two or more CD/MD changers, the source selector XA-C40 (not supplied) is necessary.
  • Page 7 CDX-GT41UW/GT410U/GT460U/GT460US Source selector (not supplied) Supplied with the CD/MD changer Sélecteur de source Fourni avec le changeur de CD/MD (non fourni) XA-C40 Supplied with XA-C40 Fourni avec le XA-C40 BUS AUDIO IN BU S A UDIO OUT REAR/SUB RCA pin cord (not supplied)
  • Page 8 CDX-GT41UW/GT410U/GT460U/GT460US • CDX-GT460U/GT460US Connection example Notes (2- A ) • Be sure to connect the ground (earth) lead before connecting the amplifi er. • The alarm will only sound if the built-in amplifi er is used. Tip (2- B - ) For connecting two or more CD/MD changers, the source selector XA-C40 (not supplied) is necessary.
  • Page 9: Connection Diagram

    CDX-GT41UW/GT410U/GT460U/GT460US Source selector (not supplied) Selector de fuente Supplied with the CD/MD changer (no suministrado) Suministrado con el cambiador de CD/MD Supplied with XA-C40 XA-C40 Suministrado con el XA-C40 BUS AUDIO IN RCA pin cord (not supplied) AUDIO OUT can be switched SUB or REAR.
  • Page 10: Disassembly

    CDX-GT41UW/GT410U/GT460U/GT460US Ver. 1.2 SECTION 2 DISASSEMBLY Note: This set can be disassemble according to the following sequence. 2-1. SUB PANEL (FL-U) ASSY (Page 11) 2-2. CD MECHANISM BLOCK (Page 11) 2-4. SERVO BOARD 2-3. MAIN BOARD (Page 12) (Page 12) 2-5.
  • Page 11: Sub Panel (Fl) Assy

    CDX-GT41UW/GT410U/GT460U/GT460US Note: Follow the disassembly procedure in the numerical order given. 2-1. SUB PANEL (FL) ASSY 3 two claws 2 two claws 1 two screws (+PTT 2.6 × 6) 4 sub panel (FL-U) assy 2-2. CD MECHANISM BLOCK 7 bracket (CD)
  • Page 12: Main Board

    CDX-GT41UW/GT410U/GT460U/GT460US 2-3. MAIN BOARD 2 two screws 4 two screws (+PTT 2.6 × 8) (+PTT 2.6 × 10) 5 two screws (+P 2.6 × 8) 1 three screws 6 two screws (+BTT 2.6 × 5) (+PTT 2.6 × 10) 7 screw (+P 2.6 ×...
  • Page 13: Chassis (T) Sub Assy

    CDX-GT41UW/GT410U/GT460U/GT460US 2-5. CHASSIS (T) SUB ASSY 2 two precision screws 1 two precision screws (+P 1.7 × 2.2) (+P 1.7 × 2.2) 4 chassis (T) sub assy 3 claw 2-6. ROLLER ARM ASSY 5 roller arm assy 4 gear (RA1)
  • Page 14: Chassis (Op) Assy

    CDX-GT41UW/GT410U/GT460U/GT460US Ver. 1.2 2-7. CHASSIS (OP) ASSY 6 chassis (OP) assy 1 tension spring (KF) 7 coil spring (damper) (natural) 8 coil spring (damper) (green) 4 slider (R) 3 lever (D) 2 gear (LE1)
  • Page 15: Diagnosis Function

    CDX-GT41UW/GT410U/GT460U/GT460US SECTION 3 DIAGNOSIS FUNCTION Description of the Diagnostics function: 4. Contents of each display mode 4-1. Reset count display mode 1. Setting the Diag display mode With the power off, press the [4] button, [5] button, and [4] button on the set body or the remote control (for more than 2 seconds) in turn.
  • Page 16 CDX-GT41UW/GT410U/GT460U/GT460US 4-5. CD error information display mode 4-6. OFFSET/FAILURE error display mode 4-5-1. Error description 0 6 1 X X X X X 0 5 1 Operating hours Error information Error description Error description Indication Description (in hexadecimal (0: OFFSET, 1: FAILURE)
  • Page 17 CDX-GT41UW/GT410U/GT460U/GT460US 4-7-2. Disc type and operating hours The display mode is switched by each rotation of [2/GP/ALBM+] or [1/GP/ALBM--] keys during the CD error information display mode. 0 7 1 X X X X Operating hours USB error info history 1 (latest)
  • Page 18 CDX-GT41UW/GT410U/GT460U/GT460US MEMO...
  • Page 19: Diagrams

    CDX-GT41UW/GT410U/GT460U/GT460US SECTION 4 DIAGRAMS 4-1. BLOCK DIAGRAM — MAIN SECTION — J652 (1/2) ELECTRONIC VOLUME AUDIO IC401 BUS-RCH J652 (2/2) 2 BUS-LCH SUBOUT-L BUS-RCH 1 BUS-RCH AUDIO OUT SUBOUT-R R-CH REAR/SUB CD L 6 CD-LCH R-CH MUTE CD R CD-RCH...
  • Page 20: Block Diagram -Display Section

    CDX-GT41UW/GT410U/GT460U/GT460US 4-2. BLOCK DIAGRAM — DISPLAY SECTION — FL901 FLUORESCENT SYSTEM CONTROL INDICATOR TUBE IC501 (2/2) GRID1 KEYIN0 KEY MATRIX GRID2 LSW901,902 FL SO S901–904,906–915 KEYIN1 FL SCK GRID3 FL CS D503 FL DRIVE • FL VH+12V KEY ACKNOWLEDGE Q883...
  • Page 21 CDX-GT41UW/GT410U/GT460U/GT460US • NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS • Waveforms — MAIN Board — THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is IC501 i; (XOUT) printed in each block.) For schematic diagrams.
  • Page 22: Printed Wiring Board -Main Section

    CDX-GT41UW/GT410U/GT460U/GT460US 4-3. PRINTED WIRING BOARD — MAIN SECTION — : Uses unleaded solder. J652 CNJ400 (BUS CONTROL IN) CN300 CNJ400 C330 C325 JW50 R450 R449 C443 C445 JW51 F901 C307 C305 C304 C301 C413 C452 C423 C426 C414 C432 IC300...
  • Page 23: Schematic Diagram -Main Section (1/3)

    CDX-GT41UW/GT410U/GT460U/GT460US 4-4. SCHEMATIC DIAGRAM — MAIN SECTION (1/3) — • Refer to page 28 for IC Block Diagrams. C303 C302 JC939 L902 JC940 C325 C444 C424 C330 C306 JC29 JC30 C308 L901 JC31 C309 C301 C304 IC B/D C305 C307...
  • Page 24: Schematic Diagram -Main Section (2/3)

    CDX-GT41UW/GT410U/GT460U/GT460US 4-5. SCHEMATIC DIAGRAM — MAIN SECTION (2/3) — • Refer to page 28 for IC Block Diagrams. J652 C452 C432 C413 C414 C445 C443 JC942 JC941 C426 C423 JC943 C463 C462 JC10 Q470 Q460 Q420 Q440 Q452 Q432 C473...
  • Page 25: Schematic Diagram -Main Section (3/3)

    CDX-GT41UW/GT410U/GT460U/GT460US • Refer to page 21 for Waveforms. • Refer to page 29 for IC Block Diagrams. 4-6. SCHEMATIC DIAGRAM — MAIN SECTION (3/3) — • Refer to page 30 for IC Pin Description of IC501. (Page 23) (Page 24)
  • Page 26: Printed Wiring Board -Key Section

    CDX-GT41UW/GT410U/GT460U/GT460US 4-7. PRINTED WIRING BOARD — KEY SECTION — : Uses unleaded solder. LED843 LED841 LED943 LED941 S902 S901 R903 R904 LED842 R943 LED942 LED961 S903 LSW902 LSW901 R947 R847 R906 R907 R908 LED864 S907 C974 R977 R909 R853 S908...
  • Page 27: Schematic Diagram -Key Section

    CDX-GT41UW/GT410U/GT460U/GT460US 4-8. SCHEMATIC DIAGRAM — KEY SECTION — R978 R941 R841 LED946 LED846 R949 R849 R953 R853 LED861 R975 R943 R843 R947 R847 R951 R851 LED961 LED863 R977 R981 R976 R942 R842 R945 R845 LED950 LED850 LED957 LED857 R861 IC971...
  • Page 28 CDX-GT41UW/GT410U/GT460U/GT460US • IC BLOCK DIAGRAMS IC300 TDA8588AJ/N2/R1 (MAIN Board (1/3)) IC601 BA8271F-E2 (MAIN Board (1/3)) BUS ON BUS ON SWITCH OUT-FL- C BUS RESET RESET SWITCH BUS ON OUT-FL+ CLK IN BATTERY BATT BU IN OUT-RL- SWITCH PGND3 OUT-RL+ VREF...
  • Page 29 CDX-GT41UW/GT410U/GT460U/GT460US IC801 NJM2387ADL3 (MAIN Board (3/3)) IC802 NJM2387ADL3 (MAIN Board (3/3)) CURRENT LIMIT OVERVOLTAGE THERMAL PROTECTION PROTECTION BANDGAP REFERENCE CONTROL VOUT VADJ IC803 BD9778HFP (MAIN Board (3/3)) DRIVER RESET LATCH CURRENT LIMIT VREF COMPARATOR ERROR SOFT VREF START ON/OFF L:OFF...
  • Page 30 CDX-GT41UW/GT410U/GT460U/GT460US • IC PIN DESCRIPTION IC501 MB90F046PF-G-101E1 (SYSTEM CONTROL) (MAIN BOARD (3/3)) Pin No. Pin Name Pin Description AREASEL0 Destination setting pin 0 AREASEL1 Destination setting pin 1 AREASEL2 Destination setting pin 2 B-OUTSEL Black-out with/without discrimination signal input “H”: Black-out...
  • Page 31 Not used. (Open) RDS (Radio Data System) data block synchronized detect signal input DAVN Not used in this set. Not used. (Open) UNISI SONY bus data signal input UNISO SONY bus data signal output UNISCK SONY bus clock signal output Z MUTE...
  • Page 32: Exploded Views

    CDX-GT41UW/GT410U/GT460U/GT460US Ver. 1.2 SECTION 5 EXPLODED VIEWS NOTE: • The mechanical parts with no reference • -XX and -X mean standardized parts, so The components identified by mark 0 or dotted line with mark number in the exploded views are not supplied.
  • Page 33: Front Panel Section

    A-1222-411-A PANEL COMPLETE ASSY, FRONT 2-686-941-01 HOLDER (USB) (GT410U:CND) X-2176-322-1 CAP (USB) ASSY X-2149-756-1 BUTTON ASSY (S) (GT460US) 3-251-320-01 EMBLEM (NO. 2.5), SONY X-2149-757-1 BUTTON ASSY (S) (GT41UW/GT410U/GT460U) CN902 1-820-877-11 CONNECTOR, USB (SOCKET) (USB) X-2149-760-1 PANEL (SV) ASSY, FRONT (GT460US)
  • Page 34: Cd Mechanism Section (Mg-101U-188//Q)

    CDX-GT41UW/GT410U/GT460U/GT460US Ver. 1.2 5-3. CD MECHANISM SECTION (MG-101U-188//Q) NOTE: Refer to SUPPLEMENT-1 for disassembly of OPTICAL PICK-UP. 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.
  • Page 35: Electrical Parts List

    CDX-GT41UW/GT410U/GT460U/GT460US Ver. 1.1 SECTION 6 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in • Items marked “*” are not stocked since The components identified by mark 0 or dotted line with mark the parts list may be different from the they are seldom required for routine service.
  • Page 36 CDX-GT41UW/GT410U/GT460U/GT460US Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark LED957 8-719-053-09 LED SML-310VTT86 (SCRL) R910 1-216-823-11 METAL CHIP 1.5K 1/10W LED961 8-719-053-09 LED SML-310VTT86 (RING ILLUMINATION) R911 1-216-824-11 METAL CHIP 1.8K 1/10W LED962 8-719-053-09 LED SML-310VTT86 (RING ILLUMINATION)
  • Page 37 CDX-GT41UW/GT410U/GT460U/GT460US MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark S913 1-786-653-21 SWITCH, TACTILE (5) C407 1-124-257-00 ELECT 2.2uF S914 1-786-653-21 SWITCH, TACTILE (6/PAUSE) C409 1-124-233-11 ELECT 10uF S915 1-786-653-21 SWITCH, TACTILE (SCRL) C412 1-162-970-11 CERAMIC CHIP 0.01uF...
  • Page 38 CDX-GT41UW/GT410U/GT460U/GT460US MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C701 1-131-868-81 ELECT 3300uF D153 8-719-057-80 DIODE MA8180-M-TX C702 1-164-005-11 CERAMIC CHIP 0.47uF D156 8-719-977-12 DIODE DTZ6.8B C703 1-164-005-11 CERAMIC CHIP 0.47uF D301 6-500-522-01 DIODE 10EDB40-TA1B2...
  • Page 39 CDX-GT41UW/GT410U/GT460U/GT460US MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark JC12 1-216-296-11 SHORT CHIP < COIL > JC14 1-216-296-11 SHORT CHIP JC16 1-216-296-11 SHORT CHIP 1-216-295-11 SHORT CHIP JC17 1-216-864-11 SHORT CHIP 1-216-864-11 SHORT CHIP JC18...
  • Page 40 CDX-GT41UW/GT410U/GT460U/GT460US MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R153 1-216-834-11 METAL CHIP 1/10W R533 1-216-845-11 METAL CHIP 100K 1/10W R154 1-216-834-11 METAL CHIP 1/10W R534 1-216-833-11 METAL CHIP 1/10W R155 1-216-825-11 METAL CHIP 2.2K...
  • Page 41 CDX-GT41UW/GT410U/GT460U/GT460US Ver. 1.2 MAIN SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R708 1-216-829-11 METAL CHIP 4.7K 1/10W A-1206-357-A SERVO BOARD, COMPLETE R709 1-216-833-11 METAL CHIP 1/10W ********************** R710 1-216-864-11 SHORT CHIP ************************************************************* R800 1-216-829-11 METAL CHIP 4.7K...
  • Page 42 CDX-GT41UW/GT410U/GT460U/GT460US Ver. 1.2 Ref. No. Part No. Description Remark PARTS FOR INSTALLATION AND CONNECTIONS *************************************** X-3382-647-1 FRAME ASSY, FITTING 2-686-803-01 COLLAR 3-255-785-02 COLLAR (1DIN) (for Maruti Suzuki) (GT460US:IND) 3-246-471-01 KEY (FRAME) X-3381-154-1 SCREW ASSY (BS4), FITTING (GT460U/GT460US) 3-349-410-11 BUSHING (GT460U/GT460US)
  • Page 43 CDX-GT41UW/GT410U/ GT460U/GT460US US Model Canadian Model CDX-GT41UW/GT410U SERVICE MANUAL E Model CDX-GT460U/GT460US Chinese Model Ver. 1.2 2007.03 CDX-GT460U SUPPLEMENT-1 File this supplement with the service manual. Subject: Notes for removal of the OPTICAL PICK-UP added. DISASSEMBLY 1. CHUCKING ARM SUB ASSY...
  • Page 44 CDX-GT41UW/GT410U/GT460U/GT460US 2. SLED MOTOR ASSY 2 three serration screws (M 2 × 3) 3 sled mtor assy 1 spring turn table spring stand Note: Never remove these parts since they were adjusted. stand Note: Place the stand with care not to touch the turn table.
  • Page 45 CDX-GT41UW/GT410U/GT460U/GT460US 3. 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. 4. OPTICAL PICK-UP 1 pan tapping screw (M 1.4 × 2.5) 2 leaf spring (sub guide)
  • Page 46: Revision History

    CDX-GT41UW/GT410U/GT460U/GT460US 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. Date Description of Revision 2006.11 2007.01...

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Cdx-gt460usCdx-gt410uCdx-gt460u