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3 7 63 1515 0
SERVICE MANUAL
Ver. 1.0 2006. 01
• The tuner and CD sections have no adjustments.
TE
L 13942296513
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:
87.5 – 108.0 MHz (at 50 kHz step)
87.5 – 107.9 MHz (at 200 kHz step)
FM tuning interval:
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
www
.
Sony Corporation
9-887-070-01
2006A04-1
eVehicle Division
© 2006. 01
Published by Sony Techno Create Corporation
http://www.xiaoyu163.com
CDX-GT250M
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u163
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http://www.xiaoyu163.com
2 9
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Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
Q Q
3
6 7
1 3
1 5
AM
Tuning range:
AM tuning interval:
Antenna terminal:
Intermediate frequency: 10.7 MHz/450 kHz
Sensitivity:
Power amplifier section
Outputs:
Speaker impedance:
Maximum power output: 52 W × 4 (at 4 ohms)
FM/AM COMPACT DISC PLAYER
co
.
9 4
2 8
E Model
CDX-GT250S
MG-611WA-186//Q
KSS1000E
0 5
8
2 9
9 4
2 8
531 – 1,602 kHz (at 9 kHz step)
530 – 1,710 kHz (at 10 kHz step)
9 kHz/10 kHz switchable
External antenna connector
30 µV
Speaker outputs (sure seal connectors)
4 – 8 ohms
– Continued on next page –
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Related Manuals for Sony CDX-GT250M
Summary of Contents for Sony CDX-GT250M
- Page 1 Harmonic distortion at 1 kHz: 0.5 % (stereo), 0.3 % (mono) Separation: 35 dB at 1 kHz Frequency response: 30 – 15,000 Hz FM/AM COMPACT DISC PLAYER u163 Sony Corporation 9-887-070-01 2006A04-1 eVehicle Division © 2006. 01 Published by Sony Techno Create Corporation http://www.xiaoyu163.com...
- 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 CDX-GT250M 3 7 63 1515 0 • CD playback UNLEADED SOLDER You can play CD-DA (also containing CD TEXT*), CD-R/CD- Boards requiring use of unleaded solder are printed with the lead RW (MP3/WMA files also containing Multi Session and ATRAC free mark (LF) indicating the solder contains no lead.
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Page 4: Table Of Contents
CDX-GT250M 3 7 63 1515 0 TABLE OF CONTENTS 1. GENERAL Location of controls and basic operations ....... 5 Connections ................6 2. DISASSEMBLY 2-1. Sub Panel Assy ..............8 2-2. CD Mechanism Block ............8 2-3. Main Board ................. 9 2-4. -
Page 5: General
CDX-GT250M SECTION 1 GENERAL 3 7 63 1515 0 This section is extracted from instruction manual. Location of controls and basic operations Main unit K SEEK –/+ buttons The following buttons on the card remote commander have also different buttons/functions from the unit. -
Page 6: Connections
CDX-GT250M 3 7 63 1515 0 • CONNECTIONS RCA pin cord (not supplied) AUDIO OUT can be switched to SUB or REAR. For details, see the supplied Operating Instructions. Cable con terminales RCA (no suministrado) AUDIO OUT (Salida de audio) puede cambiarse a SUB (Secundaria) o REAR (Posterior). -
Page 7: Disassembly
CDX-GT250M SECTION 2 DISASSEMBLY 3 7 63 1515 0 Note : This set can be disassemble according to the following sequence. 2-1. SUB PANEL ASSY (Page 8) 2-2. CD MECHANISM BLOCK (Page 8) 2-10. SERVO BOARD 2-4. CHASSIS (T) SUB ASSY 2-3. -
Page 8: Sub Panel Assy
CDX-GT250M 3 7 63 1515 0 Note : Follow the disassembly procedure in the numerical order given. 2-1. SUB PANEL ASSY 3 two claws 2 two claws 1 two screws (+PTT 2.6 × 6) 4 sub panel assy L 13942296513 2-2. -
Page 9: Main Board
CDX-GT250M 3 7 63 1515 0 2-3. MAIN BOARD 1 three screws (+BTT 2.6 × 5) 2 two screws (+PTT 2.6 × 8) 3 MAIN board L 13942296513 2-4. CHASSIS (T) SUB ASSY 4 claw 2 two screws (+P 1.7 × 2.2) 1 two screws (+P 1.7 ×... -
Page 10: Roller Arm Assy
CDX-GT250M 3 7 63 1515 0 2-5. ROLLER ARM ASSY 3 washer 5 roller arm assy 4 gear (RA1) 2 spring (RAR-B) 1 spring (RAL-B) L 13942296513 2-6. CHASSIS (OP) ASSY qa chassis (OP) assy 0 coil spring (damper) -
Page 11: Optical Pick-Up
CDX-GT250M 3 7 63 1515 0 2-7. OPTICAL PICK-UP 2 chucking arm sub assy 5 claw 1 tension coil spring (CHKG) 7 optical pick-up 6 main shaft 4 rack (SL) 3 screw (+B 1.4 × 5) L 13942296513 2-8. SL MOTOR ASSY (M902) 1 screw (+P 1.4 ×... -
Page 12: Le Motor Assy (M903)
CDX-GT250M 3 7 63 1515 0 2-9. LE MOTOR ASSY (M903) 8 screw 0 gear (LE) assy (+M 1.7 × 2.5) 9 bearing (LEB-N) 2 washer qa screw (+M 1.7 × 2.5) qf two toothed lock screws 3 gear (LE1) (+M 1.4 ) -
Page 13: Diagrams
CDX-GT250M SECTION 3 3 7 6 3 1 5 1 5 0 DIAGRAMS 3-1. BLOCK DIAGRAM — CD SECTION — • R-ch is omitted due to same as L-ch. • Signal Path : CD PLAY DETECTOR MAIN FPI2 RFEQO... -
Page 14: Block Diagram - Main Section
CDX-GT250M 3 7 6 3 1 5 1 5 0 3-2. BLOCK DIAGRAM — MAIN SECTION — ELECTRONIC VOLUME IC401 CD-L 9 CD LCH J330 SECTION OUT SUB-L (Page 13) R-CH 8 CD RCH AUDIO OUT OUT SUB-R R-CH... -
Page 15: Block Diagram - Display Section
CDX-GT250M 3 7 6 3 1 5 1 5 0 3-3. BLOCK DIAGRAM — DISPLAY SECTION — SYSTEM CONTROL LCD DRIVER IC501 (3/3) IC901 KEY MATRIX KEYIN0 LSW901–903,909,910,920 LCD901 LCD SO S904,906–908,911–919 • KEYIN1 LIQUID LCD CKO • CRYSTAL... -
Page 16: Circuit Boards Location
CDX-GT250M 3 7 6 3 1 5 1 5 0 • NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS • WAVEFORMS — SERVO BOARD — (CD PLAY) THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed... -
Page 17: Printed Wiring Boards - Cd Mechanism Section
CDX-GT250M 3 7 6 3 1 5 1 5 0 3-5. PRINTED WIRING BOARDS — CD MECHANISM SECTION — • Refer to page 16 for Circuit Boards Location. : Uses unleaded solder. TP39 TP38 TP26 TP24 TP41 FMB3 FMA6... -
Page 18: Schematic Diagram - Cd Mechanism Section (1/2)
CDX-GT250M 3 7 6 3 1 5 1 5 0 3-6. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (1/2) — • Refer to page 16 for Waveforms. TP33 TP32 TP31 TP52 TP38 TP39 TP53 R132 C132 R133 TP41 C133 TP50... -
Page 19: Schematic Diagram - Cd Mechanism Section (2/2)
CDX-GT250M 3 7 6 3 1 5 1 5 0 • Refer to page 16 for Waveforms. • Refer to page 26 for IC Block Diagrams. 3-7. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (2/2) — • Refer to page 28 for IC Pin Descriptions of IC3. -
Page 20: Printed Wiring Board - Main Section
CDX-GT250M 3-8. PRINTED WIRING BOARD — MAIN SECTION — • Refer to page 16 for Circuit Boards Location. 3 7 6 3 1 5 1 5 0 : Uses unleaded solder. J330 JC795 CN601 C484 C474 C775 C774 JW144... -
Page 21: Schematic Diagram - Main Section (1/3)
CDX-GT250M 3 7 6 3 1 5 1 5 0 3-9. SCHEMATIC DIAGRAM — MAIN SECTION (1/3) — • Refer to page 26 for IC Block Diagrams. J330 C484 C474 IC B/D IC401 C401 FB411 FB410 C411 C410 C435... -
Page 22: Schematic Diagram - Main Section (2/3)
CDX-GT250M 3 7 6 3 1 5 1 5 0 3-10. SCHEMATIC DIAGRAM — MAIN SECTION (2/3) — • Refer to page 27 for IC Block Diagrams. JC795 C775 C765 C764 C774 IC B/D C751 D751 D752 C750 D753... -
Page 23: Schematic Diagram - Main Section (3/3)
CDX-GT250M 3 7 6 3 1 5 1 5 0 • Refer to page 16 for Waveforms. 3-11. SCHEMATIC DIAGRAM — MAIN SECTION (3/3) — • Refer to page 30 for IC Pin Descriptions of IC501. (Page 22) (Page 21) -
Page 24: Printed Wiring Board - Key Section
CDX-GT250M 3 7 6 3 1 5 1 5 0 3-12. PRINTED WIRING BOARD — KEY SECTION — • Refer to page 16 for Circuit Boards Location. : Uses unleaded solder. LSW902 LSW901 S907 LED908 LED906 LED943 LED907 R963... -
Page 25: Schematic Diagram - Key Section
CDX-GT250M 3 7 6 3 1 5 1 5 0 3-13. SCHEMATIC DIAGRAM — KEY SECTION — R972 R981 LED919 LED914 LED941 LED908 LSW902(2/2) R996 LED952 R982 R931 LSW909(2/2) LED907 LED916 LSW903(2/2) LED943 LED904 IC971 R932 R941 R961 R997... - Page 26 CDX-GT250M 3 7 6 3 1 5 1 5 0 • IC Block Diagrams IC1 BA5968FP-E2 (SERVO Board (2/2)) IC401 BD3806AFS-E2 (MAIN Board (1/3)) OPIN4+ LDCTL OUTR OUTF OPIN4– OPOUT1 OPOUT4 FADER FADER FADER FADER OPIN3+ (0~-58, (0~-58, (0~-58,...
- Page 27 CDX-GT250M 3 7 63 1515 0 IC750 TDA8588BJ/N2/R1 (MAIN Board (2/3)) OUT FL- I2C BUS OUT FL+ OUT RL- PGND3 OUT RL+ INRL INFL SGND PROTECTION DIAGNOSTIC INFR INRR AC GND OUT RR+ PGND2 OUT RR- OUT FR+ STANDBY...
- Page 28 CDX-GT250M 3 7 63 1515 0 • IC Pin Descriptions IC3 MB90486BPFV-G-177E1 (CD SYSTEM CONTROL) (SERVO BOARD (2/2)) Pin No. Pin Name Pin Description CDON 1500MV Servo 1.5 V power supply control signal output 2 to 5 — Not used. (Open)
- Page 29 Pin No. Pin Name Pin Description CDON Servo power supply control signal output H: power on XUART Sony-Bus/MC-Bus change signal input H: Sony-Bus, L: MC-Bus ZMUTE Zero detection mute signal output MECON CHK MECON rising detection signal input CDON CHK...
- Page 30 CDX-GT250M 3 7 63 1515 0 IC501 MB90487APF-G-190E1 (SYSTEM CONTROL) (MAIN BOARD (3/3)) Pin No. Pin Name Pin Description AREASEL2 Destination setting pin AREASEL1 Destination setting pin AREASEL0 Destination setting pin COL SW Illumination color select signal input BEEP...
- Page 31 Back-up power supply detect signal input Not used. (Open) DAVN Not used in this set. (Connect to VSS.) Not used. (Open) UNISI SONY bus data signal input UNISO SONY bus data signal output UNISCK SONY bus clock signal output 611 SEL...
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Page 32: Exploded Views
CDX-GT250M SECTION 4 EXPLODED VIEWS 3 7 63 1515 0 NOTE: • The mechanical parts with no reference • Color Indication of Appearance Parts The components identified by mark 0 or dotted line with mark number in the exploded views are not supplied. -
Page 33: Front Panel Section
Part No. Description Remark X-2103-314-1 BUTTON ASSY (S) A-1172-527-A PANEL OVERALL ASSY, FRONT 3-251-320-01 EMBLEM (NO. 2.5), SONY 2-652-792-01 PANEL, FRONT BACK X-2108-642-1 PANEL SUB ASSY, FRONT 3-250-543-21 SCREW (+B P-TITE M2) X-2103-316-1 KNOB (VOL) (SV) ASSY X-2055-358-1 CASE ASSY (for FRONT PANEL) -
Page 34: Cd Mechanism Section (1) (Mg-611Wa-186//Q)
CDX-GT250M 3 7 63 1515 0 4-3. CD MECHANISM SECTION (1) (MG-611WA-186//Q) not supplied (SENSOR board) not supplied not supplied not supplied not supplied L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-3372-444-C CHASSIS (T) SUB ASSY... -
Page 35: Cd Mechanism Section (2) (Mg-611Wa-186//Q)
CDX-GT250M 3 7 63 1515 0 4-4. CD MECHANISM SECTION (2) (MG-611WA-186//Q) (including M901) M902 not supplied not supplied supplied L 13942296513 not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-1075-644-A CHASSIS (OP) COMPLETE ASSY A-3372-446-A LEVER (SL) SUB ASSY 3-316-938-91 SCREW (B1.4X5), TAPPING... -
Page 36: Cd Mechanism Section (3) (Mg-611Wa-186//Q)
CDX-GT250M 3 7 63 1515 0 4-5. CD MECHANISM SECTION (3) (MG-611WA-186//Q) M903 L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-348-993-01 WASHER 2-186-696-02 BRACKET (LEM-N) 2-186-699-01 GEAR (RA1) 3-345-648-91 SCREW (M1.4), TOOTHED LOCK... -
Page 37: Cd Mechanism Section (4) (Mg-611Wa-186//Q)
CDX-GT250M 3 7 63 1515 0 4-6. CD MECHANISM SECTION (4) (MG-611WA-186//Q) L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 2-186-700-01 GEAR (CHK1) 2-630-962-01 WASHER (SLIT) 3-344-223-01 WASHER * 256 2-590-545-31 GEAR (LE2-M) -
Page 38: Electrical Parts List
CDX-GT250M SECTION 5 JACK ELECTRICAL PARTS LIST 3 7 63 1515 0 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 39 CDX-GT250M MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R905 1-216-823-11 METAL CHIP 1.5K 1/10W R996 1-216-035-00 RES-CHIP 1/10W R906 1-216-819-11 METAL CHIP 1/10W R997 1-216-037-00 RES-CHIP 1/10W R907...
- Page 40 CDX-GT250M MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C445 1-165-908-11 CERAMIC CHIP CN701 1-819-773-11 SOCKET, CONNECTOR 15P C451 1-126-964-11 ELECT 10uF CNP301 1-817-536-11 CONNECTOR, BOARD TO BOARD 28P...
- Page 41 CDX-GT250M MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark IC750 6-705-360-02 IC TDA8588BJ/N2/R1 R408 1-216-809-11 METAL CHIP 1/10W IC901 8-759-681-42 IC NJM12902V(TE2) R409 1-216-809-11 METAL CHIP 1/10W R410 1-216-809-11 METAL CHIP 1/10W <...
- Page 42 CDX-GT250M MAIN SENSOR SERVO 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R566 1-216-845-11 METAL CHIP 100K 1/10W < VIBRATOR > R567 1-216-845-11 METAL CHIP 100K 1/10W R568 1-216-821-11 METAL CHIP...
- Page 43 CDX-GT250M SERVO 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-125-777-11 CERAMIC CHIP 0.1uF 1-218-977-11 RES-CHIP 100K 1/16W 1-162-964-11 CERAMIC CHIP 0.001uF 1-218-977-11 RES-CHIP 100K 1/16W 1-125-777-11 CERAMIC CHIP 0.1uF...
- Page 44 CDX-GT250M SERVO 3 7 63 1515 0 Ref. No. Part No. Description Remark R147 1-216-864-11 SHORT CHIP < SWITCH > 1-529-565-61 SWITCH, PUSH (1 KEY) (DOWN) < VIBRATOR > 1-813-678-11 OSCILLATOR, CERAMIC (CHIP TYPE) (12MHz) 1-795-561-21 VIBRATOR, CERAMIC (16.9344MHz)
- Page 45 CDX-GT250M 3 7 63 1515 0 MEMO L 13942296513 u163 http://www.xiaoyu163.com...
- Page 46 CDX-GT250M 3 7 63 1515 0 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.