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Sony CDX-GT450U Service Manual
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Sony CDX-GT450U Service Manual

Fm/am compact disc player
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SERVICE MANUAL
Ver. 1.2 2012.07
• The tuner and CD sections have no adjustments.
Tuner section
FM
Tuning range:
AEP, UK, RU, EA model:
87.5 – 108.0 MHz
E, AR, MX, IND model:
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)
FM tuning step:
E, AR, MX, IND model:
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
9-889-940-03
2012G33-1
©
2012.07
Downloaded from
www.Manualslib.com
CDX-GT50UMS/GT450U/GT457UE/
AM (E, AR, EA, MX, IND model)
Tuning range:
AM tuning step:
Antenna (aerial) terminal:
Intermediate frequency: 25 kHz
Sensitivity: 26 V
MW/LW (AEP, UK, RU model)
Tuning range:
Antenna (aerial) terminal:
Intermediate frequency: 25 kHz
Sensitivity: MW: 26 V, LW: 45 V
Sony Corporation
Published by Sony Techno Create Corporation
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GT500U/GT500US/GT505U
Photo: CDX-GT450U: AEP, UK model
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
E, AR, MX, IND model:
531 – 1,602 kHz (at 9 kHz step)
530 – 1,710 kHz (at 10 kHz step)
EA model: 531 – 1,602 kHz
E, AR, MX, IND model:
9 kHz/10 kHz switchable
External antenna (aerial) connector
MW: 531 – 1,602 kHz
LW: 153 – 279 kHz
External antenna (aerial) connector
E, Argentina, Saudi Arabia, Mexican, Indian model
FM/AM COMPACT DISC PLAYER
FM/MW/LW COMPACT DISC PLAYER
AEP Model
UK Model
CDX-GT450U
E Model
CDX-GT500U/GT500US
Russian Model
CDX-GT450U/GT457UE
Indian Model
CDX-GT50UMS/GT505U
NEW
MG-101N-188
DAX-25A
CD player section
Signal-to-noise ratio: 120 dB
Frequency response: 10 – 20,000 Hz
Wow and fl utter: Below measurable limit
USB Player section
Interface: USB (Full-speed)
Maximum current: 500 mA
Power amplifi er section
Outputs: Speaker outputs
Speaker impedance: 4 – 8 ohms
Maximum power output: 52 W  4 (at 4 ohms)
– Continued on next page –
AEP, UK, Russian model

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  • Page 1 Ver. 1.2 2012.07 CDX-GT450U E Model CDX-GT500U/GT500US Russian Model CDX-GT450U/GT457UE Indian Model CDX-GT50UMS/GT505U Photo: CDX-GT450U: AEP, UK model • The tuner and CD sections have no adjustments. Model Name Using Similar Mechanism CD Drive Mechanism Type MG-101N-188 Optical Pick-up Name DAX-25A SPECIFICATIONS...
  • Page 2 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. Downloaded from www.Manualslib.com manuals search engine...

  • Page 3: Table Of Contents

    CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U TABLE OF CONTENTS SERVICE NOTE ............GENERAL This label is located on the bottom of the chassis. Connections ..............DISASSEMBLY 3-1. Sub Panel Assy ............... UNLEADED SOLDER 3-2. CD Mechanism Block ............. Boards requiring use of unleaded solder are printed with the lead- 3-3.

  • Page 4: Service Note

    CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U 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). MAIN BOARD CN701 J-2502-076-1...

  • Page 5: General

    CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U SECTION 2 GENERAL This section is extracted from instruction manual. • CONNECTIONS • AEP, UK, Russian model Note for the antenna (aerial) connecting Hinweis zum Anschließen der Antenne Remarque sur le raccordement de l’antenne Nota per il collegamento dell’antenna Opmerking bij de antenne-aansluiting If your car antenna (aerial) is an ISO (International Wenn Ihre Autoantenne der ISO -Norm...

  • Page 6: Connection Diagram

    CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U • CONNECTIONS • E, Saudi Arabia, Mexican, Indian model Spea er impedance 4 o ms RCA pin cord (not supplied). Cable con terminales RCA (no suministrado). AUDIO OUT can be switched SUB or REAR. AUDIO OUT (salida de audio) puede cambiarse a For details, see the supplied Operating SUB o REAR.
  • Page 7 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U • CONNECTIONS • Argentina model Speaker, Rear, Right Altavoz, posterior, derecho Purple Morado Speaker, Rear, Right – Altavoz, posterior, derecho Speaker, Front, Right Altavoz, frontal, derecho Gray Gris Speaker, Front, Right FRONT REMOTE – Altavoz, frontal, derecho AUDIO OUT Speaker, Front, Left Altavoz, frontal, izquierdo White...

  • Page 8: Disassembly

    CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U 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-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U 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 7 bracket (CD) 8 CD mechanism block 6 two screws (+PTT 2.6 5 wire (flat type) (13 core)

  • Page 10: Main Board

    CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U 3-3. MAIN BOARD 2 two screws (+PTT 2.6 4 two screws (+P 2.6 5 two screws (+PTT 2.6 1 three ground point screws 6 screw (+PTT 2.6 (+P 2.6 7 screw (+PTT 2.6 8 heat sink 9 MAIN board insulating sheet 3-4.

  • Page 11: Chassis (T) Sub Assy

    CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U 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 2 spring (RAR) Downloaded from www.Manualslib.com...

  • Page 12: Chassis (Op) Assy

    CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U 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-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U 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. bearing (R) Note for Assembly three serration screws...

  • Page 14: 3-10. Optical Pick-Up Section

    CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U 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 5 optical pick-up 4 lead screw assy Downloaded from...

  • Page 15: Diagrams

    CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U SECTION 4 DIAGRAMS 4-1. BLOCK DIAGRAM – MAIN Section – AEP,UK,RU MODEL J401 ELECTRONIC VOLUME IC401 AUDIO REAR/SUB R-CH EXCEPT AEP,UK,RU MODEL AU_OUT_SL REAR/SUB J402 AU_OUT_SR R-CH R-CH (REAR/SUB) J901 R-CH AUDIO 5 AUX_LCH R-CH 7 AUX_RCH I2C BUS CONTROLLED FRONT POWER AMP/MULTIPLE R-CH...

  • Page 16: Block Diagram -Display Section

    CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U 4-2. BLOCK DIAGRAM – DISPLAY Section – SYSTEM CONTROL LCD DRIVER,LED CONTROL IC501 (2/2) IC901 SEG48 KEYIN1 KEY MATRIX LCD901 AR MODEL LSW905–912, LCD_SO DATA SEG1 LIQUID PANEL+B S901–907 KEYIN0 CRYSTAL LCD_CLK CLK LCD LED903,905,907,909, LED902,904,906,908, DISPLAY LCD_CE 910,912,914,916,919, 911,913,915,917,918, 92 KEYACK1 PANEL...
  • Page 17 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U 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 18: Printed Wiring Board -Main Section

    CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U 4-3. PRINTED WIRING BOARD – MAIN Section – • : Uses unleaded solder. J401 (AEP,UK,RU) AUDIO OUT J402 (EXCEPT AEP,UK,RU) AUDIO OUT REAR/SUB FRONT E,EA,MX,IND MODEL J801 (REMOTE IN) JW300 JC277 CN301 C320 R441 C412 C330 C319 C323 JW293 C423 C304 FB826...

  • Page 19: Schematic Diagram -Main Section (1/3)

    CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U 4-4. SCHEMATIC DIAGRAM – MAIN Section (1/3) – • See page 24 for IC Block Diagrams. AEP,UK,RU,AR MODEL E,EA,MX,IND MODEL MAIN BOARD (1/3) IC301 IC B/D RL– FRONT IC301 L-CH – FL– TDF8556AJ/N3 (EXCEPT AEP,UK) REAR TDF8556AJ/N3/M5 (AEP,UK) L-CH –...

  • Page 20: Schematic Diagram -Main Section (2/3)

    CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U 4-5. SCHEMATIC DIAGRAM – MAIN Section (2/3) – • See page 17 for Waveforms. • See page 24 for IC Block Diagrams. • See page 26 for IC Pin Function Description of IC501. (Page 19) MAIN BOARD (1/3) MAIN BOARD (2/3) CD MECHANISM UNIT (MG-101N)

  • Page 21: Schematic Diagram -Main Section (3/3)

    CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U 4-6. SCHEMATIC DIAGRAM – MAIN Section (3/3) – • See page 17 for Waveforms. • See page 24 for IC Block Diagrams. MAIN BOARD (3/3) EXCEPT AEP,UK,RU MODEL J402 C426 100p FRONT C421 100p R441 R406 C423 100p AUDIO OUT Q401 Q402 Q403...

  • Page 22: Printed Wiring Board -Key Section

    CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U 4-7. PRINTED WIRING BOARD – KEY Section – • : Uses unleaded solder. LED902,903, S901 LED906,907,931,932,935,936 (ILLUMINATOR) LED914,915, MODEL S902 R979 LED904,905 SOURCE/OFF LED910,911, MODEL DISC SLOT S903 INDICATOR R920 R996 SEEK+ S902 S903 LED932 AR MODEL LED904 LED905 >...

  • Page 23: Schematic Diagram -Key Section

    CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U Ver. 1.1 4-8. SCHEMATIC DIAGRAM – KEY Section – R940 R906 KEY BOARD R986 IC902 IC902 FB902 PNA4813M01S0 REMOTE CONTROL FB901 SIGNAL RECEIVER J901 LSW905 R905 DSPL/SCRL FB903 R920 S901 AR MODEL R960 R962 CN901 C915 R939 R900 1000p R928 1.2k USB_GND...
  • Page 24 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U • IC Block Diagrams IC301 TDF8556AJ/N3 (MAIN Board (1/3)) IC402 TK11133CSCL-G (MAIN Board (1/3)) IC601 BD9070FP-E2 (MAIN Board (2/3)) (Except AEP, UK model) IC301 TDF8556AJ/N3/M5 (MAIN Board (1/3)) PVIN (AEP, UK model) PVIN – OVERHEAT & OVERCURRENT I2C_SIO PROTECTION OUT-FL–...
  • Page 25 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U IC401 BD3467FV-E2 (MAIN Board (3/3)) FADER FADER BOOST AU_OUT_SL FADER FADER BUS_LCH 1 BOOST AU_OUT_SR BUS_RCH 2 FADER FADER TU_LCH 3 AU_OUT_RL BOOST TU_RCH 4 FADER FADER AU_OUT_RR BOOST AUX_LCH 5 FADER FADER AUX_GND 6 AU_OUT_FL BOOST AUX_RCH 7 FADER FADER AU_OUT_FR...
  • Page 26 UNISI SONY BUS serial data input (Fixed at L in this set) UNISCK SONY BUS serial clock signal output (Fixed at L in this set) BYTE External data bus width select signal input (Connect to VSS in this set) CNVSS Flash writer IF (CNVSS) signal input (L: normally operation, H: fl...
  • Page 27 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U Pin No. Pin Name Description DIAG Condition signal input from power amp IC AMPSTB Standby signal output for power regulator IC Cyril correspondance discrimination signal input (L: No correspondance) (Fixed at L in this CYRIL_SEL set) VCC2 — Power supply pin (+3.3 V) Not used.

  • Page 28: Exploded Views

    CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U SECTION 5 EXPLODED VIEWS Note: • -XX and -X mean standardized parts, so • The mechanical parts with no reference The components identifi ed by mark 0 they may have some difference from the number in the exploded views are not sup- or dotted line with mark 0 are critical for original one.

  • Page 29: Front Panel Section

    CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U 5-2. FRONT PANEL SECTION not supplied (KEY board) RE901 not supplied LCD901 J901 CN902 not supplied not supplied not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-2187-544-3 CASE ASSY (for FRONT PANEL) X-2548-936-1 BUTTON ASSY (S) (GT500U/GT505U) A-1785-274-A...

  • Page 30: Cd Mechanism Section (Mg-101N-188)

    CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U 5-3. CD MECHANISM SECTION (MG-101N-188) not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied Note: If the wire (fl at type) was replaced, fold it some as the wire (fl...

  • Page 31: Electrical Parts List

    CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U SECTION 6 ELECTRICAL PARTS LIST Note: • Due to standardization, replacements in • CAPACITORS The components identifi ed by mark 0 the parts list may be different from the uF: μF or dotted line with mark 0 are critical for parts specifi...
  • Page 32 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark LED913 6-502-195-01 LED SML-D12D8WT86SQ (m . SEEK–) LED936 6-502-196-01 LED SML-D12Y8WT86SP (ILLUMINATOR) (AR) (GT50UMS) LED914 6-502-193-01 LED SML-D12V8WT86SN (SOURCE/OFF) LED936 6-502-325-01 LED SML-D12P8WT86SJ (ILLUMINATOR) (EXCEPT GT50UMS/GT457UE) (GT457UE) LED914 6-502-196-01 LED SML-D12Y8WT86SP (SOURCE/OFF)
  • Page 33 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U Ver. 1.1 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark LSW912 1-798-287-11 SWITCH, TACTILE (WITH LED) (PTY) (E,EA,MX) R946 1-216-802-11 METAL CHIP 1/10W LSW912 1-798-343-11 SWITCH, TACTILE (WITH LED) (PTY) (AR) R948 1-216-813-11 METAL CHIP 1/10W LSW912 1-798-356-11 SWITCH, TACTILE (WITH LED) (PTY) (IND)
  • Page 34 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R969 1-216-813-11 METAL CHIP 1/10W R990 1-216-814-11 METAL CHIP 1/10W (AR) (GT457UE) R970 1-216-811-11 METAL CHIP 1/10W R990 1-216-819-11 METAL CHIP 1/10W (GT457UE) (GT50UMS) R970 1-216-813-11 METAL CHIP...
  • Page 35 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-125-891-11 CERAMIC CHIP 0.47uF C417 1-104-943-11 ELECT 2.2uF 1-107-826-11 CERAMIC CHIP 0.1uF C418 1-104-943-11 ELECT 2.2uF 1-162-916-11 CERAMIC CHIP 12PF C419 1-126-964-11 ELECT 10uF 1-162-970-11 CERAMIC CHIP 0.01uF C420...
  • Page 36 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D103 6-503-205-01 DIODE RKZ6.8B2KGP1 IC601 6-714-602-01 IC BD9070FP-E2 D104 6-503-205-01 DIODE RKZ6.8B2KGP1 D105 6-503-205-01 DIODE RKZ6.8B2KGP1 < JACK > D106 6-503-205-01 DIODE RKZ6.8B2KGP1 D107 6-503-205-01 DIODE RKZ6.8B2KGP1 1-822-949-21...
  • Page 37 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark L301 1-456-617-11 COIL, CHOKE R406 1-216-864-11 SHORT CHIP L302 1-216-295-91 SHORT CHIP R407 1-216-813-11 METAL CHIP 1/10W L402 1-216-864-11 SHORT CHIP R409 1-216-833-11 METAL CHIP 1/10W L405 1-216-295-91...
  • Page 38 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U Ver. 1.1 MAIN SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R535 1-216-833-11 METAL CHIP 1/10W R603 1-245-816-11 METAL CHIP 2.2K 0.5% 1/10W R536 1-216-833-11 METAL CHIP 1/10W R604 1-216-827-11 METAL CHIP 3.3K 1/10W R537 1-216-845-11 METAL CHIP...
  • Page 39 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U Ver. 1.1 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ACCESSORIES PARTS FOR INSTALLATION AND CONNECTIONS ************ ************************************** 1-479-077-14 REMOTE COMMANDER (RM-X151) X-2548-065-1 FRAME ASSY, FITTING (EXCEPT AEP,UK,RU) 1-465-459-41 ADAPTOR, ANTENNA (AEP,UK,RU,AR) 2-548-729-01 LID, BATTERY CASE (for RM-X151) 1-776-527-11 CORD (WITH CONNECTOR) (ISO) (POWER) (AR) (EXCEPT AEP,UK,RU)
  • Page 40 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U MEMO Downloaded from www.Manualslib.com manuals search engine...
  • Page 41 CDX-GT50UMS/GT450U/GT457UE/ GT500U/GT500US/GT505U AEP Model UK Model SERVICE MANUAL CDX-GT450U E Model CDX-GT500U/GT500US Russian Model Ver. 1.2 2012.07 CDX-GT450U/GT457UE Indian Model CDX-GT50UMS/GT505U SUPPLEMENT-1 File this supplement with the service manual. File this supplement with the service manual. Subject: Change of MAIN board (Suffi x-21) In this unit, MAIN board has been changed in the midway of production.
  • Page 42 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U 2. DIAGRAMS THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) For Printed Wiring Boards. For Schematic Diagrams. Note: Note: • X : Parts extracted from the component side. •...
  • Page 43 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U 2-1. PRINTED WIRING BOARD - MAIN Section - • : Uses unleaded solder. J401 (AEP,UK,RU) AUDIO OUT J402 (EXCEPT AEP,UK,RU) AUDIO OUT REAR/SUB FRONT E,EA,MX,IND MODEL J801 (REMOTE IN) JW300 JC277 CN301 C320 R441 C412 C330 C319 C323 C423 C304 JW293 FB826...
  • Page 44 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U 2-2. SCHEMATIC DIAGRAM - MAIN Section (1/3) - • See page 2 for IC Block Diagram. AEP,UK,RU,AR MODEL E,EA,MX,IND MODEL MAIN BOARD (1/3) RL– FRONT IC301 L-CH – FL– IC301 REAR TDF8556AJ/N5 L-CH – I2C BUS CONTROLLED FR– POWER AMP/MULTIPLE REAR VOLTAGE REGULATOR R-CH...
  • Page 45 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U 2-3. SCHEMATIC DIAGRAM - MAIN Section (2/3) - (Page 4) MAIN BOARD (1/3) MAIN BOARD (2/3) CD MECHANISM UNIT (MG-101N) I2C_SIO (1/2) C701 I2C_SCK CN701 C711 0.01 FB704 R701 CL031 CL019 14 DR_6V A_GND CL030 CL018 FB705 13 DR_GND VDD_3.3V R506,537 100k (EXCEPT GT457UE)
  • Page 46 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U 2-4. SCHEMATIC DIAGRAM - MAIN Section (3/3) - MAIN BOARD (3/3) EXCEPT AEP,UK,RU MODEL J402 C426 100p FRONT C421 100p R441 R406 C423 100p AUDIO OUT Q401 Q402 Q403 Q404 Q405 Q406 RTAN140M-T111-1 RTAN140M-T111-1 RTAN140M-T111-1 RTAN140M-T111-1 RTAN140M-T111-1 RTAN140M-T111-1 MUTE MUTE MUTE MUTE...
  • Page 47 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U MAIN 3. ELECTRICAL PARTS LIST Note: • Due to standardization, replacements in • CAPACITORS When indicating parts by reference num- the parts list may be different from the uF: μF ber, please include the board name. parts specifi ed in the diagrams or the com- •...
  • Page 48 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C442 1-162-964-11 CERAMIC CHIP 0.001uF D303 6-502-643-01 DIODE 1A4-A2 D306 6-502-643-01 DIODE 1A4-A2 (AEP, UK) C443 1-165-908-11 CERAMIC CHIP 1uF D318 6-502-643-01 DIODE 1A4-A2 C444 1-165-908-11 CERAMIC CHIP 1uF D320 6-501-180-01...
  • Page 49 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark JC265 1-216-296-11 SHORT CHIP < RESISTOR > JC267 1-216-296-11 SHORT CHIP 1-216-853-11 METAL CHIP 470K 1/10W JC268 1-216-295-91 SHORT CHIP 1-216-853-11 METAL CHIP 470K 1/10W JC269 1-216-864-11 SHORT CHIP 1-216-864-11...
  • Page 50 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R436 1-216-864-11 SHORT CHIP R560 1-216-845-11 METAL CHIP 100K 1/10W R438 1-216-833-11 METAL CHIP 1/10W R561 1-216-845-11 METAL CHIP 100K 1/10W R441 1-216-864-11 SHORT CHIP R562 1-216-845-11 METAL CHIP 100K...
  • Page 51 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U MAIN Ref. No. Part No. Description Remark R862 1-216-849-11 METAL CHIP 220K 1/10W R865 1-216-864-11 SHORT CHIP R866 1-216-821-11 METAL CHIP 1/10W R867 1-216-829-11 METAL CHIP 4.7K 1/10W < SWITCH > S401 1-571-532-21 SWITCH, TACTILE (RESET) < SURGE ABSORBER > 1-805-043-11 ABSORBER, CHIP SURGE <...
  • Page 52 CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U 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 Resistor of KEY BOARD of CDX-GT50UMS is changed (SMR-10035)

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