Sony CDX-GT31MP Service Manual

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SERVICE MANUAL
Ver. 1.0 2011.07
• 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:
CDX-GT260MP: US, CND model/GT310MP: AR model:
87.5 – 107.9 MHz
CDX-GT31MP/GT310MP: E, MX model/GT313MP:
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)
CDX-GT260MP: RU model/GT310MP: EA model:
87.5 – 108.0 MHz
CDX-GT267ME:
FM1/FM2: 87.5 – 108.0 MHz (at 50 kHz)
FM3: 65 – 74 MHz (at 30 kHz)
9-893-222-01
Sony Corporation
2011G04-1
©
2011.07
Published by Sony Techno Create Corporation
CDX-GT31MP/GT260MP/GT267ME/
Photo: CDX-GT310MP: E model
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
CDX-GT31MP/GT260MP: US, CND model/GT310MP: E, AR, MX model/GT313MP
FM/MW/LW COMPACT DISC PLAYER
FM/MW/SW COMPACT DISC PLAYER
GT310MP/GT313MP
FM Tuning step:
CDX-GT31MP/GT310MP: E, MX model/
GT313MP:
50 kHz/100 kHz/200 kHz switchable
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Usable sensitivity: 8 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 80 dB (stereo)
Separation: 50 dB at 1 kHz
Frequency response: 20 – 15,000 Hz
FM/AM COMPACT DISC PLAYER
CDX-GT260MP: RU model/GT267ME
US Model
Canadian Model
CDX-GT260MP
E Model
CDX-GT310MP
Russian Model
CDX-GT260MP/GT267ME
Indian Model
CDX-GT31MP/GT313MP
CDX-GT30MP/GT250MP/
GT257ME/GT300MP/GT303MP
MG-101X-188
DAX-25A
– Continued on next page –
CDX-GT310MP: EA model

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  Summary of Contents for Sony CDX-GT31MP

  • Page 1 FM1/FM2: 87.5 – 108.0 MHz (at 50 kHz) FM3: 65 – 74 MHz (at 30 kHz) – Continued on next page – CDX-GT31MP/GT260MP: US, CND model/GT310MP: E, AR, MX model/GT313MP FM/AM COMPACT DISC PLAYER CDX-GT260MP: RU model/GT267ME FM/MW/LW COMPACT DISC PLAYER...
  • Page 2 THESE COMPONENTS WITH SONY PARTS PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DON- WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS NÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. PUBLIÉS PAR SONY.
  • Page 3 CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP Except US, Canadian model/ NOTES ON HANDLING THE OPTICAL PICK-UP This compact disc player is classifi ed as a CLASS 1 LASER BLOCK OR BASE UNIT product. The CLASS 1 LASER PRODUCT label is located on the exterior. The laser diode in the optical pick-up block may suffer electro- static break-down because of the potential difference generated by the charged electrostatic load, etc.
  • Page 4: Table Of Contents

    CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP TABLE OF CONTENTS SERVICE NOTE ............GENERAL Connections ..............DISASSEMBLY 3-1. Sub Panel Assy ............... 13 3-2. CD Mechanism Block ............. 13 3-3. Main Board ..............14 3-4. Servo Board ..............14 3-5. Chassis (T) Sub Assy ............15 3-6.
  • Page 5: Service Note

    CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP 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. A-1818-424-A).
  • Page 6 CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP Note for Replacement of the Main Mount or IC501 When the main mount or IC501 has been replaced, the appropriate destination code must be set for each destination in the Test mode. Setting the Destination Code: 1. With SOURCE OFF (Clock display), press the button [4], button [5] and button [6] for 2 seconds to enter the Test mode.
  • Page 7: General

    CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP SECTION 2 GENERAL This section is extracted from instruction manual. CONNECTIONS • CDX-GT260MP: US, Canadian model CDX-GT360MP Satellite radio tuner (SiriusXM)* Syntoniseur radio satellite (SiriusXM)* SIRIUSXM RCA pin cord (not supplied) AUDIO OUT can be switched SUB or REAR. For CDX-GT360MP details, see the supplied Operating Instructions.
  • Page 8 CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP • CDX-GT260MP: Russian model/GT267ME REAR / SUB AUDIO OUT REMOTE AMP REM “Cx ” T (T LURE...
  • Page 9 CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP • CDX-GT31MP/GT310MP: E, Mexican model/GT313MP 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 10 CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP • CDX-GT310MP: Argentina model Speaker, Rear, Right Altavoz, posterior, derecho Purple Morado Speaker, Rear, Right – Altavoz, posterior, derecho Speaker, Front, Right Altavoz, frontal, derecho Gray REAR / SUB Gris Speaker, Front, Right – AUDIO OUT Altavoz, frontal, derecho...
  • Page 11 CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP • CDX-GT310MP: Saudi Arabia model...
  • Page 12: Disassembly

    CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. SUB PANEL ASSY (Page 13) 3-2. CD MECHANISM BLOCK (Page 13) 3-4. SERVO BOARD 3-3. MAIN BOARD (Page 14) (Page 14) 3-5. CHASSIS (T) SUB ASSY (Page 15) 3-6.
  • Page 13: Sub Panel Assy

    CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP 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 14: Main Board

    CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP 3-3. MAIN BOARD 2 two screws (+PTT 2.6 4 screw (+P 2.6 5 two screws (+PTT 2.6 1 three screws 6 screw (+BTT 2.6 5.2) (+P 2.6 7 screw (+PTT 2.6 8 heat sink 9 MAIN board insulating sheet 3-4.
  • Page 15: Chassis (T) Sub Assy

    CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP 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 16: Chassis (Op) Assy

    CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP 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 17: Sled Motor Assy

    CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP 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 18: 3-10. Optical Pick-Up Section

    CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP 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 19: Diagrams

    CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP SECTION 4 DIAGRAMS 4-1. BLOCK DIAGRAM – MAIN Section – ELECTRONIC VOLUME IC401 J401 OUT_SLCH AUDIO OUT R-CH OUT_SRCH REAR/SUB R-CH(REAR/SUB) J901 R-CH 12 AUX_LCH R-CH 10 AUX_RCH I2C BUS CONTROLLED POWER AMP/MULTIPLE MUTE 11 AUX_GND VOLTAGE REGULATOR Q401...
  • Page 20: Block Diagram -Display Section

    CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP 4-2. BLOCK DIAGRAM – DISPLAY Section – SYSTEM CONTROL LCD CONTROL IC501 (2/2) IC903 KEYIN1 KEY MATRIX LCD901 LSW901–908, LCD_SO LIQUID PANEL+B S901–904,906–908 KEYIN0 CRYSTAL LCD_CLK DISPLAY LCD_CE LED901,903,904,906,908 92 KEYACK1 PANEL COM1 LED931 910,912,914,918 (LCD BACK LIGHT) LSW901 (1/2)–LSW908 (1/2)
  • Page 21 CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP 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 22: Printed Wiring Board -Main Section

    CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP 4-3. PRINTED WIRING BOARD – MAIN Section – • : Uses unleaded solder. J401 AUDIO OUT REAR/SUB J001 EXCEPT AR, RU MODEL (ANTENNA) J801 MAIN BOARD (REMOTE IN) JW350 CN301 C323 C325 JW351 CL061 IC301 R403 C339 FU601 C318...
  • Page 23: Schematic Diagram -Main Section (1/3)

    CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP 4-4. SCHEMATIC DIAGRAM – MAIN Section (1/3) – • See page 28, 29 for IC Block Diagrams. MAIN BOARD (1/3) IC301 IC B/D IC301 IC2 BUS CONTROLLED TDF8554AJ/N5 (RU) AR,RU MODEL POWER AMP/MULTIPLE TDF8556AJ/N5 (EXCEPT RU) VOLTAGE REGULATOR L302...
  • Page 24: Schematic Diagram -Main Section (2/3)

    CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP 4-5. SCHEMATIC DIAGRAM – MAIN Section (2/3) – • See page 21 for Waveforms. • See page 31 for IC Pin Function Description of IC501. (Page 23) MAIN BOARD (1/3) MAIN BOARD (2/3) BUS1 CN701 C713 560p JL036 R707...
  • Page 25: Schematic Diagram -Main Section (3/3)

    CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP 4-6. SCHEMATIC DIAGRAM – MAIN Section (3/3) – • See page 30 for IC Block Diagrams. MAIN BOARD (3/3) CL065 CL062 J401 Q406 Q405 Q404 Q403 Q402 Q401 DRC5114T0L DRC5114T0L LTC914TUBFS8TL LTC914TUBFS8TL DRC5114T0L DRC5114T0L AUDIO OUT REAR/SUB CL063 MAIN...
  • Page 26: Printed Wiring Board -Key Section

    CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP 4-7. PRINTED WIRING BOARD – KEY Section – • : Uses unleaded solder. LED901,S901 LED904,S906 S906 SEEK + KEY BOARD (SIDE A ) LED931 > M (LCD BACK LIGHT) LED903 S901 (CD SLOT) LED912,S902 SOURCE S902 LED904 LED903 LED912...
  • Page 27: Schematic Diagram -Key Section

    CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP 4-8. SCHEMATIC DIAGRAM – KEY Section – KEY BOARD LED901,903,904,906,908,910,912,914,918 SML-D12V8WT86TN (GT260MP/GT310MP:E,EA,MX/GT313MP) R938 R941 R954 R968 R972 R962 SML-D12D8WT86TQ (GT310MP:AR) R941 SML-D12P8WT86TK (GT267ME) (GT267ME) R923 LNJ437W840SO (GT31MP) 1.2k (GT260MP/GT310MP:E,EA,MX/GT313MP) 1.5k (GT31MP/GT310MP:AR) R964 R943 R939 (GT267ME) R924 (GT31MP) (GT260MP/GT310MP:E,EA,MX/GT313MP) 1.5k...
  • Page 28 CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP • IC Block Diagrams IC301 TDF8554AJ/N5 (MAIN board (1/3)) (Russian model) IC301 TDF8556AJ/N5 (MAIN board (1/3)) (Except Russian model) I2C_SDA I2C_SDA OUT-FL– OUT-FL– C BUS C BUS I2C_SCL I2C_SCL OUT-FL+ OUT-FL+ OUT-RL– OUT-RL– P-GND1 P-GND1 OUT-RL+ OUT-RL+ IN-RL IN-RL...
  • Page 29 CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP IC402 MM1836A33NRE (MAIN board (1/3)) VOUT CONT BIAS CURRENT LIMIT THERMAL VREF SHUTDOWN...
  • Page 30 CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP IC401 BD3447AFV-E2 (MAIN Board (3/3)) 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 31 CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP • IC Pin Function Description MAIN BOARD (2/3) IC501 R5F3650KBDZ88FA (SYSTEM CONTROL) Pin No. Pin Name Description LCD_SO Serial data output for LCD driver LCD_CLK Serial clock signal output for LCD driver NOSE_SW Front panel detach/attach detect signal input “L”: With panel, “H”: Without panel...
  • Page 32 CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP Pin No. Pin Name Description VCC2 ― Power supply terminal (+3.3 V) Not used. (Open) ― Ground terminal 65 to 74 Not used. (Open) MEC_SELFSW Mechanism deck self swith signal input Not used. (Open) 76 to78 Not used. (Open)
  • Page 33: Exploded Views

    CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP SECTION 5 EXPLODED VIEWS Note: • -XX and -X mean standardized parts, so • Accessories are given in the last of the The components identifi ed by mark 0 they may have some difference from the electrical parts list.
  • Page 34: Front Panel Section

    CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP 5-2. FRONT PANEL SECTION not supplied (KEY board) S909 not supplied LCD901 J901 not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-278-077-01 BUTTON (EJECT) A-1831-383-A PANEL COMPLETE ASSY, FRONT 4-278-076-01 BUTTON (PRESET) (RU)
  • Page 35: Cd Mechanism Section (Mg-101X-188//Q)

    CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP 5-3. CD MECHANISM SECTION (MG-101X-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 36: Electrical Parts List

    CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP SECTION 6 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 name.
  • Page 37 CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark LED918 6-502-325-11 LED SML-D12P8WT86TK (EQ3) (GT267ME) LSW908 1-798-356-11 TACTILE SWITCH (WITH LED) (DSPL/SCRL) LED918 6-503-082-01 LED LNJ437W840S0 (EQ3) (GT31MP) (GT31MP) LED931 6-503-227-01 LED NESW505DT-A0-UV (LCD BACK LIGHT) <...
  • Page 38 CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R945 1-216-822-11 METAL CHIP 1.2K 1/10W R968 1-216-822-11 METAL CHIP 1.2K 1/10W (GT310MP: AR) (GT31MP/GT260MP/GT310MP: R949 1-216-820-11 METAL CHIP 1/10W E, EA, MX/GT313MP) (GT267ME) R968 1-216-824-11 METAL CHIP 1.8K...
  • Page 39 CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R991 1-216-810-11 METAL CHIP 1/10W C335 1-114-868-11 CERAMIC CHIP 0.1uF (GT31MP) C337 1-126-936-11 ELECT 3300uF R991 1-216-811-11 METAL CHIP 1/10W C338 1-114-868-11 CERAMIC CHIP 0.1uF (GT260MP/GT310MP/GT313MP)
  • Page 40 CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < DIODE > JC357 1-216-296-11 SHORT CHIP JC501 1-216-864-11 SHORT CHIP D101 6-503-205-01 DIODE RKZ6.8B2KGP1 JC502 1-216-295-91 SHORT CHIP D102 6-503-205-01 DIODE RKZ6.8B2KGP1 JC507 1-216-864-11 SHORT CHIP...
  • Page 41 CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R501 1-219-570-11 METAL CHIP 1/10W R703 1-216-864-11 SHORT CHIP R502 1-216-809-11 METAL CHIP 1/10W R706 1-216-821-11 METAL CHIP 1/10W R503 1-216-809-11 METAL CHIP 1/10W R707 1-216-821-11...
  • Page 42 CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP Ref. No. Part No. Description Remark PARTS FOR INSTALLATION AND CONNECTIONS ************************************** X-2548-178-1 FRAME ASSY, FITTING 1-465-459-51 ADAPTOR, ANTENNA (RU, AR) 1-839-387-11 CONNECTION CORD (ISO) (POWER) (RU, AR) 1-833-762-11 CONNECTION CORD FOR AUTOMOBILE (POWER) (for Maruti Suzuki: Gasoline Car)
  • Page 43 CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP MEMO...
  • Page 44 CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP 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 2011.07...

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Cdx-gt260mpCdx-gt267meCdx- gt310mpCdx-gt313mp