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SERVICE MANUAL
Ver. 1.0 2007. 08
• 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 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
Sony Corporation
9-887-818-01
eVehicle Division
2007H04-1
Published by Sony Techno Create Corporation
© 2007. 08
CDX-GT170/GT170S/
(Photo: CDX-GT170)
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
MW
Tuning range
MW tuning interval
Antenna terminal
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity
SW
Tuning range
Antenna terminal
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity
FM/MW/SW COMPACT DISC PLAYER
GT270/GT270S
E Model
CDX-GT170/GT170S/GT270/GT270S
Chinese Model
CDX-GT370/GT370S
MG-101TC-188//C
DAX-25A
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
SW1: 2,940 – 7,735 kHz
SW2: 9,500 – 18,135 kHz
(except for 10,140 – 11,575 kHz)
External antenna connector
30 µV
– Continued on next page –
CDX-GT270
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Related Manuals for Sony CDX-GT170S
Summary of Contents for Sony CDX-GT170S
- Page 1 – Continued on next page – 0.5% (stereo), 0.3% (mono) Separation 35 dB at 1 kHz Frequency response 30 – 15,000 Hz FM/MW/SW COMPACT DISC PLAYER Sony Corporation 9-887-818-01 eVehicle Division 2007H04-1 Published by Sony Techno Create Corporation © 2007. 08...
- 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.
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Page 3: Table Of Contents
CDX-GT170/GT170S/GT270/GT270S This compact disc player is classified as a CLASS 1 LASER TABLE OF CONTENTS product. The CLASS 1 LASER PRODUCT label is located on the exterior. SERVICE NOTE ............4 • E model GENERAL Location of Controls ............5 Connections .............. -
Page 4: Service Note
CDX-GT170/GT170S/GT270/GT270S 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 (CNP301) and the SERVO board (CN2) with the extension cable (Part No. J-2502-076-1). MAIN BOARD CNP301 J-2502-076-1... -
Page 5: General
(page 5) (CDX-GT370S/GT370/GT270S/ To change display items (press); scroll the GT270 only). display item (press and hold). qk < (.)/, (>) buttons DSPL (display) button (CDX-GT170S/ GT170) page 8 To control CD/radio, the same as (SEEK) PUSH SELECT To change display items. - Page 6 CDX-GT170/GT170S/GT270/GT270S CDX-GT370S/GT370 CDX-GT370S/GT370 only RCA pin cord (not supplied) AUDIO OUT can be switched SUB or REAR. For details, see the supplied Operating Instructions. Solo CDX-GT370S/GT370 Cable con terminales RCA (no suministrado) AUDIO OUT (salida de audio) puede Supplied with the CD/MD changer cambiarse a SUB (secundaria) o REAR Suministrado con el cambiador de CD/MD (posterior).
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Page 7: Disassembly
CDX-GT170/GT170S/GT270/GT270S SECTION 3 DISASSEMBLY Note: This set can be disassemble according to the following sequence. 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-GT170/GT170S/GT270/GT270S 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 × 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-GT170/GT170S/GT270/GT270S 3-3. MAIN BOARD 2 two screws (+PTT 2.6 × 8) 4 two screws (+P 2.6 × 8) 5 two screws (+PTT 2.6 × 10) 1 three ground point screws 6 screw (+PTT 2.6 × 6) (+P 2.6 × 10) 7 screw (+PTT 2.6 ×... -
Page 10: Chassis (T) Sub Assy
CDX-GT170/GT170S/GT270/GT270S 3-5. CHASSIS (T) SUB ASSY 2 two precision screws 1 two precision screws (+P 1.7 × 2.2) (+P 1.7 × 2.2) 4 chassis (T) sub assy 3 claw 3-6. ROLLER ARM ASSY 5 roller arm assy 4 gear (RA1) 1 spring (RAL) 3 washer 2 spring (RAR) -
Page 11: Chassis (Op) Assy
CDX-GT170/GT170S/GT270/GT270S 3-7. CHASSIS (OP) ASSY 6 chassis (OP) assy 1 tension spring (KF) 7 coil spring (damper) (natural) 8 coil spring (damper) (black) 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-GT170/GT170S/GT270/GT270S 3-9. SLED MOTOR ASSY 2 three serration screws (M 2 × 3) 3 sled motor assy 1 spring turn table spring stand Note: Never remove these parts since they were adjusted. stand Note: Place the stand with care not to touch the turn table. Note for Assembly three serration screws (M 2 ×... -
Page 13: Optical Pick-Up Section
CDX-GT170/GT170S/GT270/GT270S 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 pan tapping screw (M 1.4 × 2.5) 2 leaf spring (sub guide) 3 leaf spring (OP) 5 optical pick-up 4 lead screw assy... -
Page 14: Diagnosis Function
CDX-GT170/GT170S/GT270/GT270S SECTION 4 DIAGNOSIS FUNCTION Description of the Diagnostics function: 4. Contents of each display mode 4-1. Reset count display mode 1. Setting the Diag display mode With the power off, press the [4] button, [5] button, and [4] button on the set body or the remote control (for more than 2 seconds) in turn. - Page 15 CDX-GT170/GT170S/GT270/GT270S 4-5. CD error information display mode 4-6. OFFSET/FAILURE error display mode 4-5-1. Error description 0 6 1 X X X X X 0 5 1 Operating hours Error information Error description Error description Indication Description (in hexadecimal (0: OFFSET, 1: FAILURE) SERVO ERROR format) Recency of information...
- Page 16 CDX-GT170/GT170S/GT270/GT270S MEMO...
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Page 17: Diagrams
CDX-GT170/GT170S/GT270/GT270S SECTION 5 DIAGRAMS 5-1. BLOCK DIAGRAM — MAIN SECTION — ELECTRONIC VOLUME IC401 J330 AUDIO SUBOUT L R-CH SUBOUT R R-CH REAR I2C BUS CONTROLLED POWER AMP/MULTIPLE MUTE VOLTAGE REGULATOR R-CH Q481 IC750 J901 CN601 9 AUX-LCH 7 AUX-RCH R-CH OUT-FL 12 IN-FL... -
Page 18: Block Diagram -Display Section
CDX-GT170/GT170S/GT270/GT270S 5-2. BLOCK DIAGRAM — DISPLAY SECTION — • NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. SYSTEM CONTROL DISPLAY CONTROL (In addition to this, the necessary note is IC501 (2/2) IC901 printed in each block.) -
Page 19: Printed Wiring Board -Main Section
CDX-GT170/GT170S/GT270/GT270S 5-3. PRINTED WIRING BOARD — MAIN SECTION — : Uses unleaded solder. J330 CN601 C464 C775 C774 JW32 FU601 R472 R482 C751 IC750 C765 C764 C771 R432 C763 JW14 C753 R442 C617 R471 C442 JW16 JW19 D617 C432 JW15 C445 Q481 C435... -
Page 20: Schematic Diagram -Main Section (1/4)
CDX-GT170/GT170S/GT270/GT270S 5-4. SCHEMATIC DIAGRAM — MAIN SECTION (1/4) — • Refer to page 26 for IC Block Diagrams. J330 C464 C454 C431 R431 Q431 R432 C412 IC401 C401 C413 Q451 R452 C404 C405 C451 R451 C406 C407 R441 C441 Q441 R442 R413 R412... -
Page 21: Schematic Diagram -Main Section (2/4)
CDX-GT170/GT170S/GT270/GT270S 5-5. SCHEMATIC DIAGRAM — MAIN SECTION (2/4) — • Refer to page 26 for IC Block Diagrams. C775 C765 C764 C774 C751 D751 D752 C750 D753 IC B/D D754 JC754 JC755 D755 D756 C435 C432 IC750 D757 D758 CN601 C455 C452 C445... -
Page 22: Schematic Diagram -Main Section (3/4)
CDX-GT170/GT170S/GT270/GT270S • Refer to page 18 for Waveforms. 5-6. SCHEMATIC DIAGRAM — MAIN SECTION (3/4) — • Refer to page 27 for IC Pin Description of IC501. (Page 21) (Page 20) D511 R531 R692 R693 R535 R558 R556 R533 R519 C310 JC533 R674... -
Page 23: Schematic Diagram -Main Section (4/4)
CDX-GT170/GT170S/GT270/GT270S 5-7. SCHEMATIC DIAGRAM — MAIN SECTION (4/4) — • Refer to page 26 for IC Block Diagrams. (Page 21) (Page 20) JC681 FB604 C153 C151 C152 C623 R155 IC602 R153 R154 D719 R601 C622 L151 R151 R152 C519 C154 C155 CN701 Q631... -
Page 24: Printed Wiring Board -Key Section
CDX-GT170/GT170S/GT270/GT270S 5-8. PRINTED WIRING BOARD — KEY SECTION — : Uses unleaded solder. LED941, LED942 LED942, LED944, S901 S902 S903 S902 LED931 (LCD BACK LIGHT) S901 R902 R943 S903 LED943 LED951 LCD901 LSW901 LIQUID CRYSTAL DISPLAY PANEL LSW904 LSW903 R948 R905 S904 R944... -
Page 25: Schematic Diagram -Key Section
CDX-GT170/GT170S/GT270/GT270S 5-9. SCHEMATIC DIAGRAM — KEY SECTION — LED941 LED951 R931 R943 R949 R951 R945 R981 R932 R975 R982 IC971 LSW903(2/2) LSW905(2/2) LSW911(2/2) R933 R941 R971 C971 LSW906(2/2) LED931 LSW901(2/2) LED944 LSW908(2/2) LSW910(2/2) LED952 R942 R947 C981 C983 R984 Q931 R985 C984 LSW902(2/2) - Page 26 CDX-GT170/GT170S/GT270/GT270S • IC Block Diagrams IC401 BD3442FS-E2 (MAIN Board (1/4)) IC750 TDA8588BJ/N2/R1 (MAIN Board (2/4)) BUS-L 32 FIL VCC2 OUT-FL- C BUS 100k 31 GND BUS-R OUT-FL+ INPUT INPUT VOLUME1 TREBLE VOLUME2 100k SELECTOR GAIN /MUTE /BASS TU-L 3 30 SDA OUT-RL- /MIDDLE 100k...
- Page 27 CDX-GT170/GT170S/GT270/GT270S • IC PIN DESCRIPTIONS • IC501 MB90F045PF-G-9065-SPE1 (SYSTEM CONTROL) (MAIN BOARD (3/4)) Pin No. Pin Name Pin Description AREASEL0 Destination function setting pin 0 AREASEL1 Destination function setting pin 1 AREASEL2 Destination function setting pin 2 AREASEL3 Destination function setting pin 3 BEEP BEEP signal output to power amplifier CYRIL_SEL...
- Page 28 CDX-GT170/GT170S/GT270/GT270S Pin No. Pin Name Pin Description CODEC_SEL MP3 select signal input “H”: MP3, “L”: Non-MP3 ILLUMI SEL Illumination voltage setting signal input “H”: 10.4 V, “L”: 9.0 V Not used. (Open) SIRCS Remote control signal input 65 to 67 Not used.
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Page 29: Exploded Views
CDX-GT170/GT170S/GT270/GT270S SECTION 6 EXPLODED VIEWS NOTE: • The mechanical parts with no reference • -XX and -X mean standardized parts, so The components identified by mark 0 or dotted line with mark number in the exploded views are not supplied. they may have some difference from the 0 are critical for safety. -
Page 30: Front Panel Section
A-1286-398-A PANEL COMPLETE ASSY, FRONT (GT170S) 3-214-226-11 ILLUMINATOR (LCD) X-2178-983-1 BUTTON ASSY (S) 3-214-215-01 PANEL, BACK 3-251-320-01 EMBLEM (NO. 2.5), SONY 3-250-543-91 SCREW (+B P-TITE M2) A-1286-362-A PANEL SUB ASSY, FRONT (GT270) X-2186-697-1 CASE ASSY (for FRONT PANEL) A-1286-368-A PANEL SUB ASSY, FRONT (GT270S) -
Page 31: Cd Mechanism Section (Mg-101Tc-188//C)
CDX-GT170/GT170S/GT270/GT270S 6-3. CD MECHANISM SECTION (MG-101TC-188//C) 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 A-1283-704-A MECHANICAL BLOCK ASSY (08) 3-348-998-31 SCREW (M1.4X2.5), TAPPING, PAN A-1283-705-A DAXEV08//C... -
Page 32: Electrical Parts List
CDX-GT170/GT170S/GT270/GT270S SECTION 7 ELECTRICAL PARTS LIST 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 33 CDX-GT170/GT170S/GT270/GT270S MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R910 1-216-822-11 METAL CHIP 1.2K 1/10W A-1286-356-A MAIN BOARD, COMPLETE (GT270/GT270S) R911 1-216-823-11 METAL CHIP 1.5K 1/10W A-1286-389-A MAIN BOARD, COMPLETE (GT170/GT170S) R912 1-216-824-11 METAL CHIP 1.8K 1/10W *********************...
- Page 34 CDX-GT170/GT170S/GT270/GT270S MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C509 1-162-966-11 CERAMIC CHIP 0.0022uF 10% D754 6-501-362-01 DIODE 1A4-TA26 C510 1-162-970-11 CERAMIC CHIP 0.01uF D755 6-501-362-01 DIODE 1A4-TA26 C511 1-124-584-00 ELECT 100uF D756 6-501-362-01 DIODE 1A4-TA26 C512 1-162-964-11 CERAMIC CHIP 0.001uF...
- Page 35 CDX-GT170/GT170S/GT270/GT270S MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < RESISTOR > R533 1-216-845-11 METAL CHIP 100K 1/10W R534 1-216-833-11 METAL CHIP 1/10W 1-216-821-11 METAL CHIP 1/10W R535 1-216-833-11 METAL CHIP 1/10W 1-414-595-11 INDUCTOR, FERRITE BEAD R536 1-216-833-11 METAL CHIP 1/10W...
- Page 36 CDX-GT170/GT170S/GT270/GT270S MAIN SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < SWITCH > PARTS FOR INSTALLATION AND CONNECTIONS *************************************** S502 1-571-478-11 SWITCH, SLIDE (FREQUENCY SELECT) X-2179-430-1 FRAME ASSY, FITTING < TUNER UNIT > 2-686-802-01 COLLAR 3-246-011-01 KEY (FRAME) A-3220-960-B TUNER UNIT (TUX-032) A-1082-993-A SCREW ASSY (BS4), FITTING...
- Page 37 CDX-GT170/GT170S/GT270/GT270S MEMO...
- Page 38 CDX-GT170/GT170S/GT270/GT270S REVISION HISTORY Clicking 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 2007. 08...