Sony CDX-GT420U Service Manual Download Page 48

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CDX-GT420U/GT424U/GT427UE/GT470U/GT470US

REVISION HISTORY

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Ver.

Date

Description of Revision

1.0

2007.11

New

1.1

2008.01

Maruti Suzuki model addition of CDX-GT470US (Indian Model).
Deletion of CDX-GT47U (Chinese model).
IC501 Change of CDX-GT427UE.

(SPM-07010)

Summary of Contents for CDX-GT420U

Page 1: ...tep CDX GT470U Saudi Arabian model 87 5 108 0 MHz at 50 kHz step CDX GT427UE FM1 FM2 87 5 108 0 MHz at 50 kHz step FM3 65 74 MHz at 30 kHz step FM tuning interval CDX GT470U E indian model GT470US 50 kHz 200 kHz switchable Antenna aerial terminal External antenna aerial connector Intermediate frequency 10 7 MHz 450 kHz Usable sensitivity 9 dBf Selectivity 75 dB at 400 kHz Signal to noise ratio 67 ...

Page 2: ... amplifier section Outputs Speaker outputs sure seal connectors Speaker impedance 4 8 ohms Maximum power output 52 W 4 at 4 ohms General Output Audio outputs terminal sub rear switchable Power antenna aerial relay control terminal Power amplifier control terminal Inputs Telephone ATT control terminal CDX GT420U AEP UK Russian model GT424U GT427UE Remote controller input terminal Antenna aerial inp...

Page 3: ... reflective surface by the objective lens in the optical pickup block Therefore when checking the laser diode emission observe from more than 30 cm away from the objective lens SERVICE NOTES CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure If the optical pick up block is defective please replace the who...

Page 4: ...lder contains no lead Caution Some printed circuit boards may not come printed with the lead free mark due to their particular size LEAD FREE MARK Unleaded solder has the following characteristics Unleaded solder melts at a temperature about 40 C higher than ordinary solder Ordinary soldering irons can be used but the iron tip has to be applied to the solder joint for a slightly longer time Solder...

Page 5: ...ARD When repairing the complete SERVO board A 1362 921 A should be replaced since any parts in the SERVO board cannot be repaired NOTE FOR REPLACEMENT OF THE USB CONNECTOR J11 To replace the USB connector requires alignment 1 Insert the USB connector into the front panel 2 Place the KEY board on the front panel and align the terminals of the USB connector with the holes in the KEY board 3 Solder t...

Page 6: ... the USB terminal use the supplied USB cap to prevent dust or dirt entering Keep the USB cap out of the reach of children to prevent accidental swallowing 6 Location of controls and basic operations Main unit Card remote commander RM X151 This section contains instructions on the location of controls and basic operations For details see the respective pages For USB device operation see USB devices...

Page 7: ...press and hold 1 RESET button located behind the front panel page 4 2 Frequency select switch located on the bottom of the unit See Frequency select switch in the supplied installation connections manual 3 Number buttons CD USB ALBUM To skip albums press skip albums continuously press and hold REP page 9 SHUF page 9 DM page 4 To activate the DM function set DM ON To cancel set DM OFF PAUSE To paus...

Page 8: ...ads installed in your car if the unit shares a common negative lead for the right and left speakers Do not connect the unit s speaker leads to each other Note on connection If speaker and amplifier are not connected correctly FAILURE appears in the display In this case make sure the speaker and amplifier are connected correctly Schéma de raccordement À un point métallique de la voiture Branchez d ...

Page 9: ...itung rot an den Stromversorgungsanschluss des vorhandenen Antennenverstärkers an Näheres dazu erfahren Sie bei Ihrem Händler Es kann nur eine Motorantenne mit Relaiskästchen angeschlossen werden Stromversorgung des Speichers Wenn die gelbe Stromversorgungsleitung angeschlossen ist wird der Speicher stets auch bei ausgeschalteter Zündung mit Strom versorgt Hinweise zum Lautsprecheranschluss Schalt...

Page 10: ...mplifiers to the speaker terminals may damage the unit To avoid a malfunction do not use the built in speaker leads installed in your car if the unit shares a common negative lead for the right and left speakers Do not connect the unit s speaker leads to each other Note on connection If speaker and amplifier are not connected correctly FAILURE appears in the display In this case make sure the spea...

Page 11: ...CDX GT420U GT424U GT427UE GT470U GT470US 11 MEMO Ver 1 1 ...

Page 12: ... 1 SUB PANEL ASSY Page 13 3 2 CD MECHANISM BLOCK Page 13 SET 3 3 MAIN BOARD Page 14 3 5 CHASSIS T SUB ASSY Page 15 3 6 ROLLER ARM ASSY Page 15 3 7 CHASSIS OP ASSY Page 16 3 8 CHUCKING ARM SUB ASSY Page 16 3 9 SLED MOTOR ASSY Page 17 3 10 OPTICAL PICK UP SECTION Page 18 3 11 OPTICAL PICK UP Page 18 3 4 SERVO BOARD Page 14 ...

Page 13: ... the disassembly procedure in the numerical order shown below 3 1 SUB PANEL ASSY 3 2 CD MECHANISM BLOCK two claws two claws sub panel assy two screws PTT 2 6 6 CN350 CN352 3P screw PTT 2 6 6 screw PTT 2 6 6 two screws PTT 2 6 4 bracket CD CD mechanism block ...

Page 14: ...toothed lock screw M 1 7 2 5 toothed lock screw M 1 7 2 5 Remove the eleven solders GRY YEL BLE ORG RED BLK RED WHT BLK RED WHT optical pick up 16 core CN111 MAIN board insulating sheet two screws PTT 2 6 8 two screws BTT 2 6 5 screw PTT 2 6 10 heat sink two screws P 2 6 8 screw P 2 6 10 two screws PTT 2 6 10 ...

Page 15: ...T424U GT427UE GT470U GT470US 15 3 5 CHASSIS T SUB ASSY 3 6 ROLLER ARM ASSY chassis T sub assy claw two precision screws P 1 7 2 2 two precision screws P 1 7 2 2 washer gear RA1 roller arm assy spring RAL spring RAR ...

Page 16: ...M SUB ASSY coil spring damper natural coil spring damper green chassis OP assy tension spring KF gear LE1 lever D slider R chucking arm sub assy spring Note Have this portion receive the chassis Note Have this portion receive the chassis Note Be careful not to touch the turn table ...

Page 17: ... stand stand turn table three serration screws M 2 3 three serration screws M 2 3 Note Place the stand with care not to touch the turn table Note Never remove these parts since they were adjusted Note for Assembly Note Take care to prevent the chassis from being bent when tightening the three machine screws ...

Page 18: ...cal pick up section There is space at the end of the leaf spring sub guide to avoid contact with the slide pan tapping screw M 1 4 2 5 leaf spring sub guide leaf spring OP optical pick up lead screw assy Notes for Assembly Prevent the end of the leaf spring sub guide from being in contact with the OP slide base Prevent the end of the leaf spring sub guide from being in contact with the OP slide ba...

Page 19: ...ion of 2 ALBM or 1 ALBM keys during the number of connected units display mode 4 4 Operating hours display mode Reset count display OFFSET FAILURE error display CD error information display Operating hours display Number of connected units display Reset count by watchdog timer display 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 USB error information display 9 9 Reset count in hexadecimal format Diag code ...

Page 20: ...rmat Recency of information 1 3 1 represents the latest Diag code 05 CD error information 9 9 Operating hours Recency of information 1 3 1 represents the latest Diag code 05 CD error information 9 9 9 9 Operating hours Recency of information 1 3 1 represents the latest Diag code 06 OFFSET FAILURE Error description 0 OFFSET 1 FAILURE 9 9 9 9 9 OFFSET FAILURE error history 1 latest display OFFSET FA...

Page 21: ... history 3 Operating hours display USB error info history 3 Error description plus error details display USB error info history 2 Operating hours display USB error info history 2 Error description plus error details display USB error info history 1 latest Operating hours display 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 USB error info history 5 Operating hours display USB error info history 5 Error desc...

Page 22: ...CDX GT420U GT424U GT427UE GT470U GT470US 22 MEMO ...

Page 23: ...ACC 17 SACLK MUTE Q470 MUTE CONTROL SWITCH Q491 492 19 42 SYSRST RESET SYSRST 55 ACC IN ACCESSORY CHECK Q702 BATT AEP UK RU MODEL OVER VOLTAGE CHECK Q605 LOW VOLTAGE CHECK Q601 602 MUTE Q401 MUTE CONTROL SWITCH Q411 412 MUTE Q440 MUTE Q432 SA IN SA DATA 83 SA IN 89 SADATA SA CLK 90 SA CLK D491 F901 R CH 23 24 OUT RL OUT RR J652 R CH 25 26 SUB R CH 22 OUT FL OUT FR SUB AUDIO OUT REAR R CH L R 21 SU...

Page 24: ...ER SELECT RE901 ROTARY ENCODER REMOTE CONTROL SIGNAL RECEIVER IC971 RESET IC602 IN V BUS OUT 4 EN 5 OC 2 3 6 7 8 LED DRIVE Q801 S103 RESET LCD BACK PANEL D807 L802 D D CONVERTER CONTROL SWITCH IC805 CD MECHANISM UNIT MG 101I 2 2 USB D USB D 3 CLR 2 B 5 Q D D CONVERTER VBUS POWER SWITCH IC803 6 DRV 1 RC J370 REMOTE IN 70 AREASEL2 E IND MX MODEL LCD BACK LIGHT DRIVE Q932 LCD901 LIQUID CRYSTAL DISPLA...

Page 25: ...Circled numbers refer to waveforms Signal path J CD PLAY F FM f AM MW LW SW L AUX c USB Abbreviation EA Saudi Arabian model IND Indian model MX Mexican model RU Russian model For Printed Wiring Boards Note X Parts extracted from the component side Y parts extracted from the conductor side a Through hole Pattern from the side which enables seeing The other layers patterns are not indicated Waveform...

Page 26: ... D108 C832 R842 R843 R845 C853 Q809 Q810 Q811 R851 R852 D807 R156 R157 R107 R999 L701 L450 R853 L5 C502 C504 C681 C682 S501 FREQUENCY SELECTOR TU1 JW64 D607 JW11 JW122 JW79 S103 S103 RESET X501 JW62 JW133 C303 JW75 JW128 JW97 JW96 D303 L803 D304 JW48 JW71 D308 D307 JW51 JW68 JW53 JW110 J370 REMOTE IN JW137 JW102 JW94 JW72 JW56 JW57 JW31 JW58 JW30 JW132 JW66 D311 D312 JW121 JW104 JW130 JW105 D310 J...

Page 27: ...92 C491 R491 R600 R463 R473 C624 Q601 Q602 R601 R680 JC29 JC30 JC31 R303 JC490 JC700 IC681 Q491 C703 C702 C704 C705 C317 C318 C325 C473 C472 C454 C434 C463 C462 C301 C444 C424 C330 C304 C305 C307 C309 C682 C681 R705 R707 R702 C313 C314 C315 C320 C312 C308 L902 L901 C683 C600 CN300 IC602 L300 C707 L701 S103 F901 D704 D702 D706 C706 D707 IC300 D491 D603 D602 5 4 SCHEMATIC DIAGRAM MAIN Section 1 3 Se...

Page 28: ...152 Q460 Q470 Q412 C822 C999 C445 C443 C426 C423 C484 C452 C432 C6 C7 C3 C362 C361 C8 C50 C55 C54 C823 C155 C154 C56 C57 C10 C58 L805 R999 R107 C157 R157 R156 L151 R152 R151 C153 C151 CN370 CN352 R952 R951 R4 R5 L5 L2 L3 R60 C11 C51 C52 C53 C60 C61 R558 C486 C494 C493 R485 C461 C471 C363 C364 R832 R833 R834 C2 C5 L4 C1 TU1 J1 R61 JC28 J652 Q50 Q51 IC401 L450 R54 R55 C15 IC50 D156 D105 D109 D110 D1...

Page 29: ...15 L407 L405 L406 C412 L401 L410 C402 C827 C809 C816 C812 C811 C810 C814 C832 C826 C824 C513 C512 C511 C510 C509 C508 C507 C505 R534 R535 R523 R524 C503 C501 R502 R562 R505 R844 JC502 R548 R559 R503 R508 C506 C853 C813 R828 R822 C808 L409 C418 C419 C401 R902 R515 JC400 R904 C403 R519 R513 R518 D501 IC501 R825 Q808 JC506 JC507 X501 D803 R853 Q806 L370 R370 R371 D807 D802 D805 IC804 C516 R557 R538 R...

Page 30: ...0 R952 R907 R971 R972 R905 R906 R908 R909 R910 R912 R955 R956 IC901 R985 R986 R913 R916 R915 R951 R914 R954 R992 Q801 C903 C901 CN902 CN902 USB RE901 RE901 A MAIN BOARD CN370 1 52 LIQUID CRYSTAL DISPLAY PANEL OFF BROWSE LED943 S905 LSW908 LSW907 BACK LED951 953 RING ILLUMINATION 3 REP 4 SHUF 5 DM EQ 1 ALBM 2 ALBM 6 PAUSE DSPL SCRL 1 874 900 1 874 900 11 11 1 874 901 11 11 1 874 901 11 11 11 11 PUS...

Page 31: ...902 S903 LSW909 1 2 LSW910 1 2 LSW911 1 2 LSW912 1 2 LSW913 1 2 LSW914 1 2 LSW915 1 2 LSW916 1 2 LSW917 1 2 LSW907 1 2 S905 LSW908 1 2 S906 C981 C971 RB901 D994 D908 D909 D903 C903 S904 C986 C984 C983 R984 R985 R986 IC971 LSW917 2 2 LSW916 2 2 LSW914 2 2 LSW915 2 2 LSW913 2 2 LSW912 2 2 LSW911 2 2 LSW910 2 2 LSW909 2 2 LSW908 2 2 LSW907 2 2 D804 Q932 Q801 LCD901 RE901 J901 R992 FB907 FB906 CN902 L...

Page 32: ...S GT427UE GT470U GT470US MAIN Board 1 3 IC50 TDA7333013TR AEP UK RU MAIN Board 2 3 IC401 BD3442FS E2 MAIN Board 2 3 VDDA INTERPOLATOR RAM BUFFER CONTROL LOGIC TEST LOGIC PIN MUX S I 2 C SPI INTERFACE BAND PASS FILTER SIGMA DELTA CONVERTER SINC4 FILTER REF3 REF2 REF1 VSS VDDD RESETN TM 1 MPX 16 CSN SDAOUT RDSREG 3 INTN MPX SINC4REG SDAIN SCK SPI TESTREG 14 2 3 4 5 6 7 8 INTN 15 SA 13 SDA 12 SCL 11 ...

Page 33: ...805 TC7WH123FU TE12R MAIN Board 3 3 1 2 RC GND DRV ISNS VDD SS 3 COMP 4 FB SOFT START AND OVERCURRENT 700mV ENABLE E A E A AND SS REFFERENCE 7 8 6 5 UVLO OSC PWM LOGIC DRIVER 1 2 GND OC IN CHARGE PUMP 3 IN 4 EN DRIVER CURRENT LIMIT THERMAL SENCE UVLO CS 8 7 5 6 OUT OUT OUT 8 VCC 7 RX CX 6 CX 5 Q 1 A 2 B 3 CLR 4 GND ...

Page 34: ... current detection signal input 26 BEEP O Beep signal output to power amplifier 27 USB ON O USB over current detection IC control signal output 28 SYNC OUT O DC DC converter oscillation frequency control signal output 29 I2C SCK O I2C serial clock signal output 30 I2C SIO I O I2C serial data signal input output 31 MT TXD O Flash write interface serial data signal output 32 MT RXD I Flash write int...

Page 35: ...ct signal input H Cyril select 85 NSMASK O Noise mask signal output 86 TUATT O Tuner mute control signal output 87 RDS ON O RDS IC power supply control signal output 88 QUALITY I Noise detection signal input 89 SADATA O Spectrum analyzer data signal output 90 SACLK O Spectrum analyzer clock signal output 91 KEYACK0 I Key Acknowledge detection signal input Rotary command signal input 92 KEYACK1 I K...

Page 36: ... SCREW PTT 2 6X6 S 2 7 685 790 01 SCREW PTT 2 6X4 S 3 7 685 793 09 SCREW PTT 2 6X8 S 4 7 685 794 09 SCREW PTT 2 6X10 S 5 7 685 134 19 SCREW P 2 6X8 TYPE2 NON SLIT 6 7 621 284 40 SCREW P 2 6X10 Ref No Part No Description Remark Ref No Part No Description Remark Note XX and X mean standardized parts so they may have some difference from the original one Items marked are not stocked since they are se...

Page 37: ...15 1 PANEL SV ASSY FRONT GT424U 56 X 2187 120 1 PANEL SV ASSY FRONT GT470US 56 X 2187 140 1 PANEL SV ASSY FRONT GT470U 56 X 2187 150 1 PANEL SV ASSY FRONT GT427UE 56 X 2187 153 1 PANEL SV ASSY FRONT GT420U US 57 2 639 881 01 SPRING RELEASE 58 3 214 259 11 ILLUMINATOR LCD 59 1 780 533 21 CONDUCTIVE BOARD CONNECTION 60 3 269 027 01 PANEL USB BACK 61 3 250 543 21 SCREW B P TITE M2 62 X 2187 544 1 CAS...

Page 38: ...26 869 01 SCREW M2X3 SERRATION 105 3 348 998 31 SCREW M1 4X2 5 TAPPING PAN 106 3 352 758 31 SCREW M1 7X2 5 TOOTHED LOCK 107 A 1362 921 A SERVO BOARD COMPLETE 7 7 627 000 08 SCREW PRECISION P 1 7X2 2 TYPE3 6 3 CD MECHANISM SECTION MG 101I 188 Q not supplied 7 7 not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied 101 102 1...

Page 39: ...ML 310VTT86 OFF EXCEPT GT427UE LED942 8 719 078 21 LED SML 310PTT86 OFF GT427UE LED943 8 719 053 09 LED SML 310VTT86 BROWSE EXCEPT GT427UE LED943 8 719 078 21 LED SML 310PTT86 BROWSE GT427UE LED944 8 719 053 09 LED SML 310VTT86 SOURCE EXCEPT GT427UE LED944 8 719 078 21 LED SML 310PTT86 SOURCE GT427UE LED945 8 719 053 09 LED SML 310VTT86 MODE EXCEPT GT427UE LED945 8 719 078 21 LED SML 310PTT86 MODE...

Page 40: ...216 825 11 METAL CHIP 2 2K 5 1 10W R906 1 216 827 11 METAL CHIP 3 3K 5 1 10W R907 1 216 821 11 METAL CHIP 1K 5 1 10W R908 1 216 822 11 METAL CHIP 1 2K 5 1 10W R909 1 216 820 11 METAL CHIP 820 5 1 10W R910 1 216 821 11 METAL CHIP 1K 5 1 10W R911 1 216 821 11 METAL CHIP 1K 5 1 10W R912 1 216 822 11 METAL CHIP 1 2K 5 1 10W R913 1 216 823 11 METAL CHIP 1 5K 5 1 10W R914 1 216 824 11 METAL CHIP 1 8K 5 ...

Page 41: ... C5 1 126 947 11 ELECT 47uF 20 35V C6 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C7 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C8 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C10 1 162 923 11 CERAMIC CHIP 47PF 5 50V AEP UK RU C11 1 162 923 11 CERAMIC CHIP 47PF 5 50V AEP UK RU C15 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V EXCEPT AEP UK RU C50 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V AEP UK RU C51 1 107 826 11 CERA...

Page 42: ...162 970 11 CERAMIC CHIP 0 01uF 10 25V C623 1 126 926 11 ELECT 1000uF 20 10V C624 1 126 926 11 ELECT 1000uF 20 10V C681 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C682 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C683 1 124 584 00 ELECT 100uF 20 10V C701 1 112 302 11 ELECT 3300uF 20 16V C702 1 164 005 11 CERAMIC CHIP 0 47uF 25V C703 1 164 005 11 CERAMIC CHIP 0 47uF 25V C704 1 115 340 11 CERAMIC CHIP 0 22uF...

Page 43: ...96 11 SHORT CHIP 0 JC503 1 216 296 11 SHORT CHIP 0 JC504 1 216 296 11 SHORT CHIP 0 JC506 1 216 296 11 SHORT CHIP 0 JC507 1 216 296 11 SHORT CHIP 0 JC700 1 216 296 11 SHORT CHIP 0 COIL L2 1 216 809 11 METAL CHIP 100 5 1 10W AEP UK RU L3 1 216 809 11 METAL CHIP 100 5 1 10W AEP UK RU L4 1 216 295 11 SHORT CHIP 0 L5 1 469 844 11 INDUCTOR 2 2uH L50 1 216 864 11 SHORT CHIP 0 AEP UK RU L151 1 216 295 11 ...

Page 44: ...216 833 11 METAL CHIP 10K 5 1 10W R463 1 216 864 11 SHORT CHIP 0 R471 1 216 821 11 METAL CHIP 1K 5 1 10W R472 1 216 833 11 METAL CHIP 10K 5 1 10W R473 1 216 864 11 SHORT CHIP 0 R485 1 218 883 11 METAL CHIP 33K 0 5 1 10W R491 1 216 805 11 METAL CHIP 47 5 1 10W R501 1 216 845 11 METAL CHIP 100K 5 1 10W R502 1 216 829 11 METAL CHIP 4 7K 5 1 10W R503 1 216 845 11 METAL CHIP 100K 5 1 10W R504 1 216 864...

Page 45: ... 11 METAL CHIP 10K 5 1 10W R852 1 216 833 11 METAL CHIP 10K 5 1 10W R853 1 576 416 21 FUSE MICRO 1608 TYPE 2A R902 1 216 809 11 METAL CHIP 100 5 1 10W R903 1 216 809 11 METAL CHIP 100 5 1 10W R904 1 216 809 11 METAL CHIP 100 5 1 10W R905 1 216 845 11 METAL CHIP 100K 5 1 10W R951 1 216 797 11 METAL CHIP 10 5 1 10W R952 1 216 797 11 METAL CHIP 10 5 1 10W R999 1 216 864 11 SHORT CHIP 0 SWITCH S103 1 ...

Page 46: ... 926 1 SCREW ASSY BS FITTING AEP UK RU 156 3 349 410 11 BUSHING EXCEPT US 157 3 934 325 01 SCREW K 5X8 TAPPING EXCEPT AEP UK RU 158 1 465 459 31 ADAPTOR ANTENNA AEP UK RU 159 1 833 974 11 CONNECTION CORD FOR AUTOMOBILE POWER EXCEPT AEP UK RU 160 1 831 838 11 CORD WITH CONNECTOR ISO POWER AEP UK RU 160 1 833 762 11 CONNECTION CORD FOR AUTOMOBILE POWER for Maruti Suzuki Gasoline Car 160 1 834 307 11...

Page 47: ...MEMO CDX GT420U GT424U GT427UE GT470U GT470US 47 ...

Page 48: ... 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 1 0 2007 11 New 1 1 2008 01 Maruti Suzuki model addition of CDX GT470US Indian Model Deletion of CDX GT47U Chinese model IC501 Change of CDX GT427UE SPM 07010 ...

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