Sony CDX-GT25MPW Service Manual
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- Operating instructions manual (36 pages) ,
- Specifications (2 pages) ,
- Installation/connections (2 pages)
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SERVICE MANUAL
Ver. 1.1 2010.09
• The tuner and CD sections have no adjustments.
Tuner section
FM
Tuning range:
CDX-GT25MPW/GT250MP: US, Canadian models:
87.5 – 107.9 MHz
CDX-GT30MP/GT300MP: E, Argentina, Mexican models/
GT303MP:
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-GT250MP: Russian model/GT300MP: Saudi
Arabia model:
87.5 – 108.0 MHz
CDX-GT257ME:
FM1/FM2: 87.5 – 108.0 MHz (at 50 kHz)
FM3: 65 – 74 MHz (at 30 kHz)
FM Tuning step:
CDX-GT30MP/GT300MP: E, Argentina, Mexican models/
GT303MP:
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
9-889-931-02
Sony Corporation
2010I04-1
©
2010.09
Published by Sony Techno Create Corporation
CDX-GT25MPW/GT30MP/GT250MP/
GT257ME/GT300MP/GT303MP
Photo: CDX-GT250MP
SPECIFICATIONS
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
AM
CDX-GT25MPW/GT250MP: US,Canadian models:
Tuning range:
530 – 1,710 kHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Sensitivity: 26 μV
CDX-GT25MPW/GT250MP: US, Canadian model
FM/AM COMPACT DISC PLAYER
CDX-GT250MP: Russian model/GT257ME
FM/MW/LW COMPACT DISC PLAYER
CDX-GT30MP/GT300MP/GT303MP
FM/MW/SW COMPACT DISC PLAYER
US Model
CDX-GT25MPW/GT250MP
Canadian Model
CDX-GT250MP
E Model
CDX-GT300MP
Russian Model
CDX-GT250MP/GT257ME
Indian Model
CDX-GT30MP/GT303MP
NEW
MG-101X-188
DAX-25A
– Continued on next page –
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Summary of Contents for Sony CDX-GT25MPW
- Page 1 Signal-to-noise ratio: 70 dB (mono) Separation: 40 dB at 1 kHz CDX-GT250MP: Russian model/GT257ME Frequency response: 20 – 15,000 Hz FM/MW/LW COMPACT DISC PLAYER CDX-GT30MP/GT300MP/GT303MP FM/MW/SW COMPACT DISC PLAYER 9-889-931-02 Sony Corporation 2010I04-1 © 2010.09 Published by Sony Techno Create Corporation...
- 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-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP CDX-GT30MP/GT250MP: Russian model/ NOTES ON HANDLING THE OPTICAL PICK-UP GT257ME/GT300MP/GT303MP: BLOCK OR BASE UNIT This compact disc player is classifi ed as a CLASS 1 LASER product. The CLASS 1 LASER PRODUCT label is located on the The laser diode in the optical pick-up block may suffer electro- exterior.
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Page 4: Table Of Contents
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP TABLE OF CONTENTS SERVICE NOTE ............GENERAL Connections ..............DISASSEMBLY 3-1. Sub Panel Assy ............... 3-2. CD Mechanism Block ............. 3-3. Main Board ..............10 3-4. Servo Board ..............10 3-5. Chassis (T) Sub Assy ............11 3-6. Roller Arm Assy .............. 11 3-7. -
Page 5: Service Note
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP 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 6: General
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP SECTION 2 GENERAL This section is extracted from instruction manual. • CONNECTIONS CDX-GT25MPW/GT30MP/GT250MP: US, Canadian models/GT300MP: E, Saudi Arabia, Mexican models/GT303MP... - Page 7 CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP • CONNECTIONS CDX-GT250MP: Russian model/GT257ME/GT300MP:Argentina model...
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Page 8: Disassembly
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP 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-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP 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 10: Main Board
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP 3-3. MAIN BOARD 2 two screws (+PTT 2.6 4 two screws (+P 2.6 5 two screws (+PTT 2.6 6 screw 1 three screws (+P 2.6 (+BTT 2.6 5.2) 7 screw (+PTT 2.6 8 heat sink 9 MAIN board insulating sheet 3-4. -
Page 11: Chassis (T) Sub Assy
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP 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-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP 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-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP 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-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP 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-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP SECTION 4 DIAGRAMS 4-1. BLOCK DIAGRAM – MAIN Section – ELECTRONIC VOLUME IC302 J301 AUDIO OUT_ SLCH REAR/SUB OUT_SRCH R-CH (REAR/SUB) R-CH R-CH J901 I2C BUS CONTROLLED 9 AUX_LCH POWER AMP/MULTIPLE R-CH 7 AUX_RCH MUTE VOLTAGE REGULATOR Q102 IC301... -
Page 16: Block Diagram -Display Section
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP 4-2. BLOCK DIAGRAM – DISPLAY Section – SYSTEM CONTROL LCD DRIVE IC401 (2/2) IC903 KEYIN1 KEY MATRIX LCD_SO LSW901–908 LCD_CLK S901–908 KEYIN0 LCD_CE LCD901 92 KEYACK1 LIQUID CRYSTAL DISPLAY S905 PANEL COM1 PUSH SELECT (VOLUME) COM4 ROTARY 82 RE_N0... - Page 17 CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP 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: IC401 qa (XOUT) •...
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Page 18: Printed Wiring Board -Main Section
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP 4-3. PRINTED WIRING BOARD – MAIN Section – • : Uses unleaded solder. J301 AUDIO OUT REAR/SUB EXCEPT AR,RU MODEL (ANTENNA) J801 (REMOTE IN) JW350 CN802 C215 C115 R826 C930 C107 C114 C811 C214 C207 JW351 R107 C304 FU601... -
Page 19: Schematic Diagram -Main Section (1/3)
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP 4-4. SCHEMATIC DIAGRAM – MAIN Section (1/3) – • See page 24 for IC Block Diagram. AR,RU MODEL EXCEPT AR,RU MODEL MAIN BOARD (1/3) IC301 IC B/D IC B/D FRONT (RU) L-CH (EXCEPT RU) IC301 TDF8554AJ/N1 (RU MODEL) REAR... -
Page 20: Schematic Diagram -Main Section (2/3)
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP 4-5. SCHEMATIC DIAGRAM – MAIN Section (2/3) – • See page 17 for waveforms. • See page 26 for IC Pin Function Description of IC401. (Page 19) MAIN BOARD (1/3) MAIN BOARD (2/3) BUS4 BUS5 I2C_SCK I2C_SIO CN701 JL036... -
Page 21: Schematic Diagram -Main Section (3/3)
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP 4-6. SCHEMATIC DIAGRAM – MAIN Section (3/3) – • See page 17 for waveforms. • See page 24 for IC Block Diagrams. MAIN BOARD (3/3) J301 J301 AUDIO REAR/SUB C207 C107 100p 100p IC B/D IC302 IC302 BD3447AFV-E2 ELECTRONIC VOLUME... -
Page 22: Printed Wiring Board -Key Section
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP 4-7. PRINTED WIRING BOARD – KEY Section – • : Uses unleaded solder. LED901,S901 S901 LED909,S902 SOURCE/OFF LED931 S902 LED945 LED903,S906 (LCD BACK LIGHT) (CD INDICATOR) > LED945 SEEK+ S906 R919 LED915 LED909 LED911 LED913 R963 LED927,S908 S908 S903... -
Page 23: Schematic Diagram -Key Section
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP Ver. 1.1 4-8. SCHEMATIC DIAGRAM – KEY Section – KEY BOARD LED911,913,915,917,919,921,925,933,935,937 LED901,903,905,907,909,911,913,915,917, (ILLUMINATION) 919,921,923,925,927,933,935,937,945 SML-D12V8WT86SN (EXCEPT GT30MP/GT257ME/GT300MP:AR) SML-D12D8WT86SQ (GT300MP:AR) SML-D12Y8WT86SP (GT30MP) LED903 LED911 LED917 R981 SML-D12P8WT86SJ (GT257ME) R920 IC902 1.2k (GT300MP:AR) R938 R941 LED945 LED907 R971 (GT257ME) SEEK+... - Page 24 CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP • IC Block Diagrams IC301 TDF8554AJ/N1 (MAIN Board (1/3)) IC301 TDF8556AJ/N1 (MAIN Board (1/3)) IC402 TK11133CSCL-G (MAIN Board (1/3)) (Russian model) (Except Russian model) I2C_SIO I2C_SIO OVERHEAT & OUT-FL– OUT-FL– OVERCURRENT C BUS C BUS PROTECTION I2C_SCK I2C_SCK CONTROL...
- Page 25 CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP IC302 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 26 Serial data signal output to LCD driver LCD_CLK Serial clock signal output to LCD driver NOSE_SW Front-panel detach/attach detect signal input/output"L":with Panel,"H":without Panel SIRCS Remote-control signal (infrared) input UNISO SONY-BUS data output UNISI SONY-BUS data input UNISCK SONY-BUS clock output BYTE MCU setting terminal CNVSS Input pin to switch U-com mode Low-speed clock input (32.768kHz)
- Page 27 CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP Pin No. Pin Name Description AMPSTB POWER_REG_IC standby signal output CYRIL_SEL Cyrillic display support selection signal input VCC2 — Power supply pin (+3.3 V) Not used. (Open) — Ground pin ILLUMI SEL Illumination voltage selection setting signal input COLSW SEL...
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Page 28: Exploded Views
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP 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-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP 5-2. FRONT PANEL SECTION not supplied (KEY board) S905 not supplied LCD901 J901 not supplied not supplied not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-2548-419-1 BUTTON ASSY (S) (EXCEPT RU) -
Page 30: Cd Mechanism Section (Mg-101X-188)
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP 5-3. CD MECHANISM SECTION (MG-101X-188) 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-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP Ver. 1.1 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 32 CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP Ver. 1.1 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark LED913 6-502-196-01 LED SML-D12Y8WT86SP (ILLUMINATION) LED935 6-502-195-01 LED SML-D12D8WT86SQ (ILLUMINATION) (GT30MP) (GT300MP:AR) LED913 6-502-325-01 LED SML-D12P8WT86SJ (ILLUMINATION) LED935 6-502-196-01 LED SML-D12Y8WT86SP (ILLUMINATION) (GT257ME) (GT30MP) LED915...
- Page 33 CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP Ver. 1.1 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark LSW905 1-798-356-11 SWITCH, TACTILE (WITH LED) (4/SHUF) R935 1-216-809-11 METAL CHIP 1/10W (GT30MP) R938 1-216-810-11 METAL CHIP 1/10W LSW906 1-798-282-11 SWITCH, TACTILE (WITH LED) (5) (GT300MP:AR)
- Page 34 CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R963 1-216-813-11 METAL CHIP 1/10W R990 1-216-809-11 METAL CHIP 1/10W (GT257ME) (GT257ME) R963 1-216-820-11 METAL CHIP 1/10W R990 1-216-811-11 METAL CHIP 1/10W (EXCEPT GT257ME/GT300MP:AR)
- Page 35 CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-126-964-11 ELECT 10uF C523 1-162-970-11 CERAMIC CHIP 0.01uF C101 1-164-739-11 CERAMIC CHIP 560PF C556 1-162-970-11 CERAMIC CHIP 0.01uF C103 1-126-960-11 ELECT C701 1-124-584-00 ELECT...
- Page 36 CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < FERRITE BEAD > Q202 6-551-677-01 TRANSISTOR RTAN140M-T111-1 Q203 6-552-431-01 TRANSISTOR DRC5114T0L 1-400-334-21 FERRITE, EMI (SMD) (1608) (US,CND) Q204 6-552-431-01 TRANSISTOR DRC5114T0L 1-400-334-21 FERRITE, EMI (SMD) (1608) (US,CND)
- Page 37 CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP Ver. 1.1 MAIN SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R508 1-216-847-11 METAL CHIP 150K 1/10W R585 1-216-849-11 METAL CHIP 220K 1/10W R509 1-216-864-11 SHORT CHIP R586 1-216-821-11 METAL CHIP 1/10W R510 1-216-821-11...
- Page 38 CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP Ver. 1.1 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MISCELLANEOUS PARTS FOR INSTALLATION AND CONNECTIONS ************** ************************************** 1-776-527-11 CORD (WITH CONNECTOR) (ISO) (POWER) (AR) X-2548-065-1 FRAME ASSY, FITTING 1-831-838-11 CORD (WITH CONNECTOR) (ISO) (POWER) (RU)
- Page 39 CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP MEMO...
- Page 40 CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP 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 2010.09...