Sony CDX-GT33U Service Manual
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Sony CDX-GT33U Service Manual

Fm/mw/lw compact disc player and fm/am compact disc player
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SERVICE MANUAL
Ver. 1.0 2009.03
• 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 – 108.0 MHz (AEP, UK, IT, RU model)
87.5 – 107.9 MHz (E, MX model)
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
9-889-450-01
2009C04-1
Audio&Video Business Group
©
2009.03
Published by Sony Techno Create Corporation
CDX-GT33U
Photo: E model
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
AM (E, MX model)
Tuning range: 530 – 1,710 kHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Sensitivity: 26 V
MW/LW (AEP, UK, IT, 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 V, LW: 45 V
FM/MW/LW COMPACT DISC PLAYER
FM/AM COMPACT DISC PLAYER
AEP Model
UK Model
E Model
CDX-GT430U/GT434U
MG-101Y-188//Q
DAX-25A
USB Player section
Interface: USB (Full-speed)
Maximum current: 500mA
Power amplifi er section
Outputs: Speaker outputs (sure seal connectors)
Speaker impedance: 4 – 8 ohms
Maximum power output: 45 W × 4 (at 4 ohms)
– Continued on next page –
AEP, UK, Italian, Russian model
E, Mexican model

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  • Page 1 Separation: 40 dB at 1 kHz Frequency response: 20 – 15,000 Hz AEP, UK, Italian, Russian model FM/MW/LW COMPACT DISC PLAYER E, Mexican model FM/AM COMPACT DISC PLAYER Sony Corporation 9-889-450-01 2009C04-1 Audio&Video Business Group © 2009.03 Published by Sony Techno Create Corporation...
  • Page 2 COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

  • Page 3: Table Of Contents

    CDX-GT33U This compact disc player is classifi ed as a CLASS 1 LASER TABLE OF CONTENTS product. The CLASS 1 LASER PRODUCT label is located on the exterior. SERVICE NOTE ............. GENERAL Location of Controls ............Connections ..............DISASSEMBLY This label is located on the bottom of the chassis.

  • Page 4: Service Note

    CDX-GT33U 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-GT33U SECTION 2 This section is extracted GENERAL from instruction manual. • Location of Controls • AEP, UK, Italian model Location of controls and basic operations 1 RESET button (located behind the front Main unit panel) page 4 2 Number buttons CD/USB:  /  : ALBUM –/+...

  • Page 6: Card Remote Commander

    CDX-GT33U • E, Mexican model Location of controls and basic operations Main unit , Receptor for the card remote The following buttons on the card remote commander have also different buttons/functions commander from the unit. Remove the insulation film before - SEEK –/+ buttons...

  • Page 7: Connections

    CDX-GT33U • Connections • AEP, UK, Italian model Note for the antenna (aerial) connecting Hinweis zum Anschließen der Antenne Remarque sur le raccordement de Nota per il collegamento dell’antenna Opmerking bij de antenne-aansluiting If your car antenna (aerial) is an Wenn Ihre Autoantenne der ISO-Norm l’antenne...
  • Page 8 CDX-GT33U • Russian model ISO ( – REMOTE – – REAR/SUB AUDIO OUT – (10 ) (10 A) 2, 4, 6 ’ 2, 4, 6 8 – ’ ’ ee c . e e “Cxe a ” a . “...
  • Page 9 CDX-GT33U • E, Mexican model REMOTE from car antenna (aerial) desde la antena del automóvil * Insert with the cord upwards. Fuse (10 A) Insertar con el cable hacia arriba. Fusible (10 A) White Black Blanco Negro Left Izquierdo White/black striped...

  • Page 10: Disassembly

    CDX-GT33U SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. SUB PANEL ASSY (Page 11) 3-2. CD MECHANISM BLOCK (Page 11) 3-4. SERVO BOARD 3-3. MAIN BOARD (Page 12) (Page 12) 3-5. CHASSIS (T) SUB ASSY (Page 13) 3-6.

  • Page 11: Sub Panel Assy

    CDX-GT33U Note: Follow the disassembly procedure in the numerical order shown below. 3-1. SUB PANEL ASSY  two claws  two claws two screws (+PTT 2.6 × 6)  sub panel assy 3-2. CD MECHANISM BLOCK  bracket (CD)

  • Page 12: Main Board

    CDX-GT33U 3-3. MAIN BOARD  two screws  two screws (+PTT 2.6 × 8) (+P 2.6 × 8)  two screws (+PTT 2.6 × 10)  three screws (+BTT 2.6 × 5)  screw (+PTT 2.6 × 10)  heat sink...

  • Page 13: Chassis (T) Sub Assy

    CDX-GT33U 3-5. CHASSIS (T) SUB ASSY  two screws  two screws (M 1.7 × 2.5) (M 1.7 × 2.5)  chassis (T) sub assy  claw 3-6. ROLLER ARM ASSY  roller arm assy  gear (RA1)  spring (RAL)

  • Page 14: Chassis (Op) Assy

    CDX-GT33U 3-7. CHASSIS (OP) ASSY  chassis (OP) assy  tension spring (KF)  two coil springs (damper) (natural)  coil spring (damper) (green)  slider (R)  lever (D)  gear (LE1) 3-8. CHUCKING ARM SUB ASSY  chucking arm sub assy  spring Note: Have this portion receive the chassis.

  • Page 15: Sled Motor Assy

    CDX-GT33U 3-9. SLED MOTOR ASSY  three serration screws (M 2 × 3)  sled motor assy  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 16: Optical Pick-Up Section

    CDX-GT33U 3-10. OPTICAL PICK-UP SECTION  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  tapping screw (P 1.4)  leaf spring (OPS)  rack...
  • Page 27 CDX-GT33U IC601 TDA7333013TR (MAIN Board (2/3)) (AEP, UK, IT, RU model) SINC4 BAND PASS SIGMA DELTA INTERPOLATOR FILTER FILTER CONVERTER VDDA INTN REF3 SDAOUT REF2 SDAIN RDSREG TEST LOGIC BUFFER REF1 INTN C/SPI DEMODULATOR & & & INTERFACE SYNCHRONIZATION CONTROL PIN MUX’S...
  • Page 28 Power supply pin (+3.3 V) — Ground — Regulator reference capacitor connecting pin UNISI SONY-BUS data input (Fixed at L in this set) UNISO SONY-BUS data output (Not used in this set) UNISCK SONY-BUS clock signal output (Not used in this set) USB_ON...
  • Page 29 CDX-GT33U Pin No. Pin Name Description MC_RX MC-BUS communication and CD mechanism deck micon communication RX input MC_TX MC-BUS communication and CD mechanism deck micon communication TX output CLK_IN Flash programming serial clock signal input Z_MUTE Z mute signal input 63, 64 Not used.

  • Page 30: Exploded Views

    CDX-GT33U SECTION 5 EXPLODED VIEWS Note: • -XX and -X mean standardized parts, so • The mechanical parts with no reference The components identifi ed by mark 0 they may have some difference from the number in the exploded views are not sup- or dotted line with mark 0 are critical for original one.

  • Page 31: Front Panel Section

    CDX-GT33U 5-2. FRONT PANEL SECTION RE901 not supplied LCD901 not supplied (KEY board) not supplied (JACK board) not supplied CN902 not supplied not supplied not supplied not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No.

  • Page 32: Cd Mechanism Section (Mg-101Y-188//Q)

    CDX-GT33U 5-3. CD MECHANISM SECTION (MG-101Y-188//Q) 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 33: Electrical Parts List

    CDX-GT33U SECTION 6 JACK ELECTRICAL PARTS LIST Note: • Due to standardization, replacements in • RESISTORS When indicating parts by reference num- the parts list may be different from the All resistors are in ohms. ber, please include the board.
  • Page 34 CDX-GT33U KEY MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < TRANSISTOR > < NETWORK RESISTOR > Q801 8-729-027-44 TRANSISTOR DTC114TKA-T146 RB901 1-239-662-81 RESISTOR, NETWORK 10X2 Q931 8-729-027-44 TRANSISTOR DTC114TKA-T146 Q932 6-551-444-01 TRANSISTOR RT1N436C-TP-1 < ROTARY ENCODER >...
  • Page 35 CDX-GT33U MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C205 1-126-960-11 ELECT C513 1-107-826-11 CERAMIC CHIP 0.1uF C208 1-126-964-11 ELECT 10uF C514 1-126-924-11 ELECT 330uF C209 1-165-908-11 CERAMIC CHIP 1uF C516 1-107-826-11 CERAMIC CHIP 0.1uF...
  • Page 36 CDX-GT33U MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D308 6-501-817-01 DIODE MA2J1110GLS0 JC111 1-216-296-11 SHORT CHIP D309 6-501-817-01 DIODE MA2J1110GLS0 JC112 1-216-296-11 SHORT CHIP D401 6-502-131-01 DIODE LRB751V-40T1G JC113 1-216-296-11 SHORT CHIP D403 6-501-743-01...
  • Page 37 CDX-GT33U MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-216-829-11 METAL CHIP 4.7K 1/10W R433 1-216-845-11 METAL CHIP 100K 1/10W 1-216-009-11 METAL CHIP 1/10W R434 1-216-845-11 METAL CHIP 100K 1/10W 1-216-809-11 METAL CHIP 1/10W R435...
  • Page 38 CDX-GT33U MAIN SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R603 1-216-833-11 METAL CHIP 1/10W A-1555-002-A SERVO BOARD, COMPLETE (AEP,UK,IT,RU) ********************** R604 1-216-821-11 METAL CHIP 1/10W ************************************************************* (AEP,UK,IT,RU) R605 1-216-797-11 METAL CHIP 1/10W MISCELLANEOUS (AEP,UK,IT,RU)
  • Page 39 CDX-GT33U Ref. No. Part No. Description Remark PARTS FOR INSTALLATION AND CONNECTIONS ************************************** X-2179-431-2 FRAME ASSY, FITTING 1-465-459-31 ADAPTOR, ANTENNA (AEP,UK,IT,RU) 1-776-527-82 CORD (WITH CONNECTOR) (ISO) (POWER) (AEP,UK,IT,RU) 1-833-973-31 CONNECTION CORD FOR AUTOMOBILE (POWER) (E,MX) 3-876-675-01 KEY (FRAME) 2-686-803-12 COLLAR...
  • Page 40 CDX-GT33U 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 2009.03...

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