Sony CDX-GT34W Service Manual

Fm/am compact disc player
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CDX-GT34W/GT340
SERVICE MANUAL
Ver. 1.0 2009.07
• The tuner and CD sections have no adjustments.
CD Player section
Signal-to-noise ratio: 120 dB
Frequency response: 10 – 20,000 Hz
Wow and fl utter: Below measurable limit
Tuner section
FM
Tuning range: 87.5 – 107.9 MHz
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
AM
Tuning range: 530 – 1,710 kHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Sensitivity: 26 μV
Sony Corporation
9-889-584-01
2009G04-1
Audio&Video Business Group
©
2009.07
Published by Sony Techno Create Corporation
Photo: CDX-GT34W
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
Power amplifi er section
Output: Speaker outputs (sure seal connectors)
Speaker impedance: 4 – 8 ohms
Maximum power output: 52 W × 4 (at 4 ohms)
General
Outputs:
Audio outputs terminal (Front, sub/rear
switchable)
Power antenna (aerial) relay control terminal
Power amplifi er control terminal
Inputs:
Bus control input terminal
Bus audio input terminal
Antenna (aerial) input terminal
AUX input jack (stereo mini jack)
Tone controls:
Low: ±10 dB at 60 Hz (XPLOD)
Mid: ±10 dB at 1 kHz (XPLOD)
High: ±10 dB at 10 kHz (XPLOD)
Power requirements: 12 V DC car battery
(negative ground (earth))
FM/AM COMPACT DISC PLAYER
US Model
CDX-GT34W/GT340
Canadian Model
CDX-GT34W
CDX-GT23W/GT24/GT24EE
MG-101L-188//Q
DAX-25A
Dimensions: Approx. 178 × 50 × 179 mm
× 2 × 7
(7
in) (w/h/d)
1/8
1/8
Mounting dimensions:
Approx. 182 × 53 × 162 mm
× 2
× 6
(7
in) (w/h/d)
1/4
1/8
1/2
Mass: Approx. 1.2 kg (2 lb 11 oz)
Supplied accessories:
Card remote commander: RM-X151
Parts for installation and connections (1 set)
Design and specifi cations are subject to change
without notice.

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Summary of Contents for Sony CDX-GT34W

  • Page 1 External antenna (aerial) connector Power requirements: 12 V DC car battery Intermediate frequency: 25 kHz (negative ground (earth)) Sensitivity: 26 μV FM/AM COMPACT DISC PLAYER Sony Corporation 9-889-584-01 2009G04-1 Audio&Video Business Group © 2009.07 Published by Sony Techno Create Corporation...
  • Page 2 PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONC- WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN TIONNEMENT. NE REMPLACER CES COMPOSANTS QUE THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DON- REPLACE THESE COMPONENTS...
  • Page 3: Table Of Contents

    CDX-GT34W/GT340 UNLEADED SOLDER TABLE OF CONTENTS Boards requiring use of unleaded solder are printed with the lead- free mark (LF) indicating the solder contains no lead. SERVICING NOTES ..........(Caution: Some printed circuit boards may not come printed with the lead free mark due to their particular size) GENERAL Connections ..............
  • Page 4: Servicing Notes

    CDX-GT34W/GT340 SECTION 1 SERVICING NOTES EXTENSION CABLE AND SERVICE POSITION When repairing or servicing this set, connect the jig (extension cable) as shown below. • Connect the MAIN board (CNP301) and the SERVO board (CN401) with the extension cable (Part No. J-2502-076-1).
  • Page 5: General

    CDX-GT34W/GT340 SECTION 2 GENERAL This section is extracted from instruction manual. CONNECTIONS • CDX-GT34W CDX-GT34W Source selector (not supplied) Sélecteur de source Supplied with the CD changer (non fourni) Fourni avec le changeur de CD Selector de fuente Suministrado con el cambiador de CD...
  • Page 6 CDX-GT34W/GT340 • CDX-GT340 CDX-GT340 Source selector (not supplied) Supplied with the CD changer Sélecteur de source Fourni avec le changeur de CD (non fourni) XA-C40 Supplied with XA-C40 Fourni avec le XA-C40 FRONT AUDIO OUT CDX-GT340 BUS AUDIO IN CDX-GT340 only...
  • Page 7: Disassembly

    CDX-GT34W/GT340 SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. SUB PANEL ASSY (Page 8) 3-2. CD MECHANISM BLOCK (Page 8) 3-4. SERVO BOARD 3-3. MAIN BOARD (Page 9) (Page 9) 3-5. CHASSIS (T) SUB ASSY (Page 10) 3-6.
  • Page 8: Sub Panel Assy

    CDX-GT34W/GT340 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 6 bracket (CD) 7 CD mechanism block 5 two screws (+PTT 2.6...
  • Page 9: Main Board

    CDX-GT34W/GT340 3-3. MAIN BOARD 4 screw 2 two screws (+PTT 2.6 (+PTT 2.6 5 two screws (+P 2.6 6 two screws (+PTT 2.6 7 two screws 1 three screws (+P 2.6 (+BTT 2.6 8 screw (+PTT 2.6 9 heat sink...
  • Page 10: Chassis (T) Sub Assy

    CDX-GT34W/GT340 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 11: Chassis (Op) Assy

    CDX-GT34W/GT340 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 12: Sled Motor Assy

    CDX-GT34W/GT340 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 13: 3-10. Optical Pick-Up Section

    CDX-GT34W/GT340 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 14 CDX-GT34W/GT340 MEMO...
  • Page 15: Diagrams

    CDX-GT34W/GT340 SECTION 4 DIAGRAMS 4-1. BLOCK DIAGRAM – MAIN Section – ELECTRONIC VOLUME J330 J330 IC401 (1/2) (2/2) SUB-L 2 BUS-L AUDIO REAR/SUB SUB-R R-CH R-CH R-CH R-CH 1 BUS-R AUDIO FRONT R-CH MUTE I2C BUS CONTROLLED POWER AMP R-CH...
  • Page 16: Block Diagram -Display Section

    CDX-GT34W/GT340 4-2. BLOCK DIAGRAM – DISPLAY Section – THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) SYSTEM CONTROL LCD DRIVE For Printed Wiring Boards. For Schematic Diagrams.
  • Page 17: Printed Wiring Board -Main Section

    CDX-GT34W/GT340 4-3. PRINTED WIRING BOARD – MAIN Section – • : Uses unleaded solder. J330 AUDIO OUT AUDIO IN REAR/SUB FRONT (ANATENNA) MAIN BOARD CN580 (BUS CONTROL IN) JW122 CN601 C454 C330 C331 C464 C444 C434 CN580 C775 C774 JW32...
  • Page 18: Schematic Diagram -Main Section (1/3)

    CDX-GT34W/GT340 4-4. SCHEMATIC DIAGRAM – MAIN Section (1/3) – • See page 23 for IC Block Diagram. C442 C445 C432 C435 C756 R752 C764 C765 C761 C755 C758 JC754 JC755 C751 C753 C774 C757 C775 C771 C776 IC B/D CN601...
  • Page 19: Schematic Diagram -Main Section (2/3)

    CDX-GT34W/GT340 4-5. SCHEMATIC DIAGRAM – MAIN Section (2/3) – • See page 16 for waveform. • See page 24 for IC Block Diagrams. J330 C444 C452 C455 C434 C462 C465 Q461 Q451 Q441 Q431 Q481 Q471 C464 C454 C403 R330...
  • Page 20: Schematic Diagram -Main Section (3/3)

    CDX-GT34W/GT340 4-6. SCHEMATIC DIAGRAM – MAIN Section (3/3) – • See page 16 for waveforms. • See page 26 for IC Pin Function Description of IC501. (Page 18) JC303 C504 R500 R530 R663 FB304 R539 CNP301 R661 JC301 C501 C301...
  • Page 21: Printed Wiring Board -Key Section

    CDX-GT34W/GT340 4-7. PRINTED WIRING BOARD – KEY Section – • : Uses unleaded solder. LED940,S907 S907 LED944 (CD SLOT) LED947 LED944 LED945 LED945,S904 S903 S904 LED951,S902 S906 S902 LED952 LED952,S906 LED931 (LCD BACK LIGHT) LCD901 LIQUID CRYSTAL DISPLAY PANEL S905...
  • Page 22: Schematic Diagram -Key Section

    CDX-GT34W/GT340 4-8. SCHEMATIC DIAGRAM – KEY Section – KEY BOARD LED949,955 LED960,961 (GUIDE BUTTON SOURCE) (ILLUMINATION) R966 R964 R962 R960 R973 R989 R981 R975 IC902 LSW908 IC902 R988 R982 PNA4813M01S0 /PAUSE 3.9k REMOTE CONTROL R935 (CD SLOT) SOURCE SIGNAL RECEIVER...
  • Page 23: Ic Block Diagrams

    CDX-GT34W/GT340 • IC Block Diagrams IC750 TDA8588AJ/N2/R1 (MAIN Board (1/3)) OUT–FL– C BUS OUT–FL+ OUT–RL– PGND1 OUT–RL+ IN–RL IN–FL S–GND PROTECTION/ DIAGNOSTIC IN–FR IN–RR BEEP OUT–RR+ PGND3 OUT–RR– OUT–FR+ STANDBY/ MUTE OUT–FR– CHIP DETECT/ PGND4 DIAGNOSTIC BATTERY TEMPERATURE DIAG ENABLE...
  • Page 24 CDX-GT34W/GT340 IC580 BA8271F-E2 (MAIN Board (1/3)) BUS ON BUS_ON SWITCH RESET SWITCH BUS_IN CLK_IN BATTERY BATT BU_CHECK SWITCH VREF DATA_I/O DATA_IN DATA_OUT IC1 TEF6617T/V1/S470,518 (MAIN Board (2/3)) AMRFIN 1 AMSELOUT2 AMSELOUT1 AMRFDEC 2 TUNER AMIFAGC1 FMIN2 3 AMSELIN2 TUNER FMIN1 4...
  • Page 25 CDX-GT34W/GT340 IC401 BD3447AFV-E2 (MAIN Board (2/3)) I2C BUS LOGIC, FADER FADER FADER FADER FADER EFFECT 180°/0° 7 BAND 3 BAND P-EQ (TONE CONTROL) SPECTRUM ANALYZER /LEVEL METER VOLUME/MUTE SPEANA LVL METER LVL METER SPEANA INPUT GAIN INPUT SELECTOR (3 SIGLE-END AND 3 STEREO IS O)
  • Page 26 NOSE SW Front Panel detach/attach detect signal input “L”: With panel SIRCS Remote control signal input UNISO SONY BUS serial data signal output UNISI SONY BUS serial data signal input UNISCK SONY BUS serial clock signal output BYTE Connect to ground.
  • Page 27 CDX-GT34W/GT340 Pin No. Pin Name Description AREASEL 1 Destination setting pin 1 AREASEL 0 Destination setting pin 0 73 to 80 Not used. (Open) RE IN1 Rotary encoder signal input 1 RE IN0 Rotary encoder signal input 0 NCO/SA IN...
  • Page 28: Exploded Views

    CDX-GT34W/GT340 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

    A-1732-175-A PANEL COMPLETE ASSY, FRONT (GT340) 4-144-557-01 ILLUMINATOR (LCD) X-2349-669-1 BUTTON ASSY (S) 4-144-543-01 PANEL, BACK 3-251-320-01 EMBLEM (NO. 2.5), SONY 3-250-543-21 SCREW (+B P-TITE M2) X-2514-364-1 PANEL (SV) ASSY, FRONT (GT34W) J901 1-822-148-11 SMALL TYPE JACK (VERTICAL) (AUX) X-2514-365-1...
  • Page 30: Cd Mechanism Section (Mg-101L-188//Q)

    CDX-GT34W/GT340 5-3. CD MECHANISM SECTION (MG-101L-188//Q) 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. Description Remark...
  • Page 31: Electrical Parts List

    CDX-GT34W/GT340 SECTION 6 ELECTRICAL PARTS LIST Note: • Due to standardization, replacements in • CAPACITORS When indicating parts by reference num- uF: μF the parts list may be different from the ber, please include the board name. parts specifi ed in the diagrams or the com- •...
  • Page 32 CDX-GT34W/GT340 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R933 1-216-813-11 METAL CHIP 1/10W 1-107-826-11 CERAMIC CHIP 0.1uF R934 1-216-813-11 METAL CHIP 1/10W 1-162-916-11 CERAMIC CHIP 12PF R935 1-216-814-11 METAL CHIP 1/10W 1-162-970-11 CERAMIC CHIP 0.01uF...
  • Page 33 CDX-GT34W/GT340 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C503 1-104-665-11 ELECT 100uF < DIODE > C504 1-162-970-11 CERAMIC CHIP 0.01uF C507 1-162-917-11 CERAMIC CHIP 15PF D153 8-719-978-33 DIODE DTZ-TT11-6.8B C508 1-162-918-11 CERAMIC CHIP 18PF...
  • Page 34 CDX-GT34W/GT340 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark JC499 1-216-295-91 SHORT CHIP R451 1-216-821-11 METAL CHIP 1/10W JC501 1-216-864-11 SHORT CHIP R452 1-216-833-11 METAL CHIP 1/10W JC502 1-216-864-11 SHORT CHIP R461 1-216-821-11 METAL CHIP...
  • Page 35 CDX-GT34W/GT340 MAIN SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R582 1-216-835-11 METAL CHIP 1/10W ACCESSORIES R583 1-216-821-11 METAL CHIP 1/10W ************ R584 1-216-849-11 METAL CHIP 220K 1/10W R587 1-216-821-11 METAL CHIP 1/10W 1-479-077-14 REMOTE COMMANDER (RM-X151)
  • Page 36 CDX-GT34W/GT340 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 2009.07...

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