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Sony CDX-4180 Service Manual
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Sony CDX-4180 Service Manual

Sony CDX-4180 Service Manual

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SERVICE MANUAL

SPECIFICATIONS

AUDIO POWER SPECIFICATIONS (US Model)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
17 watts per channel minimum continuous average power into
4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more than
1% total harmonic distortion.
Other Specifications
CD player section
System
Compact disc digital audio
system
Signal-to-noise ratio
90 dB
Frequency response
10 - 20,000 Hz
Wow and flutter
Below measurable limit
Laser Diode Properties
Material
GaAlAs
Wavelength
780 nm
Emission Duration
Continuous
Less than 44.6 µW*
Laser output power
* This output is the value measured at a distance
of 200 mm from the objective lens surface on
the Optical Pick- up Block.
Tuner section
FM
Tuning range
US, Canadian model:
87.5 - 107.9 MHz
E model:
FM tuning interval:
50 kHz/200 kHz switchable
87.5 - 108.0 MHz
(at 50 kHz step)
87.5 - 107.9 MHz
(at 200 kHz step)
Antenna terminal
External antenna connector
Intermediate frequency
10.7 MHz
Usable sensitivity
8 dBf
Selectivity
75 dB at 400 kHz
Signal-to-noise ratio
65 dB (stereo),
68 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
Capture ratio
2 dB
MICROFILM
CDX-4180
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
AM
Tuning range
US, Canadian model:
530 - 1,710 kHz
E model:
AM tuning interval:
9 kHz/10 kHz switchable
531 - 1,602 kHz
(at 9 kHz step)
530 - 1,710 kHz
(at 10 kHz step)
Antenna terminal
External antenna connector
Intermediate frequency
10.71 MHz/450 kHz
30 µV
Sensitivity
Power amplifier section
Outputs
Speaker outputs
(sure seal connectors)
Speaker impedance
4 - 8 ohms
40 W × 4 (at 4 ohms)
Maximum power output
FM/AM COMPACT DISC PLAYER
– 1 –
US Model
Canadian Model
E Model
NEW
MG-363X-121
KSS-521A
– Continued on next page –

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Summary of Contents for Sony CDX-4180

  • Page 1: Specifications

    CDX-4180 SERVICE MANUAL US Model Canadian Model E Model SPECIFICATIONS Model Name Using Similar Mechanism CD Drive Mechanism Type MG-363X-121 AUDIO POWER SPECIFICATIONS (US Model) Optical Pick-up Name KSS-521A POWER OUTPUT AND TOTAL HARMONIC DISTORTION 17 watts per channel minimum continuous average power into 4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more than 1% total harmonic distortion.

  • Page 2: Connections

    LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE ! SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS 1. GENERAL Location of Controls ..............4 Getting Started ................4 Setting the Clock ............... 5 CD Player .................. 5 Radio ..................5 Other Functions ................. 6 Connections ................8 2. DISASSEMBLY 2-1. Cover Assy ................10 2-2.
  • Page 4 SECTION 1 GENERAL This section extracted from US, Canadian model’s instruction manual. – 4 –...
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  • Page 10: Disassembly

    SECTION 2 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 2-1. COVER ASSY 1 claw 4 cover assy 3 claws 2 claw 2-2. FRONT PANEL ASSY 2 front panel assy 1 button (release) – 10 –...

  • Page 11: Sub Panel (1) Assy

    2-3. SUB PANEL (1) ASSY 4 claw 5 sub panel (1) assy 1 PTT 2.6x6 3 claw 2 PTT 2.6x6 2-4. CD MECHANISM BLOCK 7 PTT 2.6x6 2 PTT 2.6x6 8 bracket (M/D) 3 PTT 2.6x6 5 CD mechanism block 6 PTT 2.6x6 4 CNP701 1 PTT 2.6x6...

  • Page 12: Main Board

    2-5. MAIN BOARD 5 MAIN board 4 screws (+BTT) 3 screw (+BTT) 2 PTT 2.6x8 1 PTT 2.6x8 2-6. HEAT SINK 4 heat sink 1 PTT 2.6x8 2 PTT 2.6x8 3 PTT 2.6x8 – 12 –...

  • Page 13: Chassis (T) Sub Assy

    2-7. CHASSIS (T) SUB ASSY 3 P 2x3 2 P 2x3 4 chassis (T) sub assy 1 Unsolder the lead wires. white black 2-8. LEVER ASSY 5 guide (disc) 6 lever (R) assy 3 tension spring (LR) 7 lever (L) assy 1 PS 2x4 2 DISC IN SW board 4 claws...

  • Page 14: Servo Board

    2-9. SERVO BOARD 6 PS 2x4 5 PS 2x4 2 CN2 1 CN3 3 P 2x3 7 SERVO board 4 loading motor assy 2-10. ROLLER ASSY • When installing, take note of the positions arm (roller) and washers. (Fig. 1) washer washers washer...

  • Page 15: Chassis (Op) (O/S) Assy

    2-11. CHASSIS (OP) (O/S) ASSY 7 chassis (OP) (O/S) assy 8 compression spring (FL) 1 tension spring (angle) 9 compression spring (FL) 2 tension spring (KR1) 5 Fit lever (D) in the direction of the arrow. 6 Turn loading ring in the direction of the arrow.

  • Page 16: Electrical Adjustments

    SECTION 3 ELECTRICAL ADJUSTMENTS 0 dB = 1 µV TUNER SECTION FM SENS/IF Adjustment Setting: SOURCE button : FMI Cautions during repair D-BASS switch : OFF When the tuner unit is defective, replace it by a new one because Frequency Select switch (E model) : FM 200K its internal block is difficult to repair.
  • Page 17 AM Auto Scan/Stop Level Adjustment Setting: digital voltmeter SOURCE n MODE button : AM D-BASS switch : OFF Frequency Select switch (E model) : AM 10K S-METER OUT – AM RF signal level dummy antenna generator meter antenna terminal 30 Ω 15 pF Procedure: 4 Ω...

  • Page 18: Cd Section

    Focus Gain Adjustment (Coarse adjustment) CD SECTION This adjustment is not required unless the following parts are replaced: • Optical pick-up Note: • 1. CD Block basically constructed to operate without adjustment. Therefore, check each item in order given. Procedure: 2.

  • Page 19: Diagrams

    SECTION 4 DIAGRAMS 4-1. IC PIN DESCRIPTION • IC801 µPD17705GC-526-3B9 (SYSTEM CONTROL) Pin No. Pin Name Pin Description SIRCS SIRCS input (A/D) IN-SW CD mechanism position detection D-SW CD mechanism position detection SELF-SW CD mechanism position detection L-SW LIMIT switch LM-EJ Loading motor control (Eject direction) LM-LOD...
  • Page 20 Pin No. Pin Name Pin Description EZ-SEL SHIFT + input SENS Information input from servo IC. Focus OK input LD-ON Laser diode control — Not used. (Connect to GND.) ST/MONO Used for both STEREO indicator display input and force MONO output. (FM) LCD-CKO LCD driver serial clock output LCD-SO...

  • Page 21: Circuit Boards Location

    4-2. CIRCUIT BOARDS LOCATION • Waveforms (MODE:PLAY) DISC IN SW board SUB board Approx. 620mVp-p (FEO) tuner unit LIMIT SW board 1.2Vp-p #¡ (RFO) Approx. 200mVp-p $™ (TEO) 2.6Vp-p DISPLAY board MAIN board 7.6µsec (MDP) LOAD SW board SERVO board 5.8Vp-p 22.7µsec @º...

  • Page 22: Printed Wiring Boards -Cd Mechanism Section

    CDX-4180 4-3. PRINTED WIRING BOARDS — CD MECHANISM SECTION — (Page 31) • Semiconductor Location Ref. No. Location Note: • X : parts extracted from the component side. • Y : parts extracted from the conductor side. • b : Pattern from the side which enables seeing.
  • Page 23 CDX-4180 4-4. SCHEMATIC DIAGRAM — CD MECHANISM SECTION — • Refer to page 22 for Waveforms and Note and page 37 for IC Block Diagrams. (1/2) (Page 33) – 25 – – 26 –...

  • Page 24: Printed Wiring Board -Display Section

    CDX-4180 4-5. PRINTED WIRING BOARD — DISPLAY SECTION — DISPLAY (Page 31) DISPLAY • Semiconductor Location Ref. No. Location Ref. No. Location (D851) B-10 D869 (D852) B-11 D870 Note: (D853) B-10 D871 C-12 • : Through hole. ® (D854) B-10...

  • Page 25: Schematic Diagram -Display Section

    CDX-4180 4-6. SCHEMATIC DIAGRAM — DISPLAY SECTION — DISPLAY (2/2) (Page 36) Note: • All capacitors are in µF unless otherwise noted. pF: µµF • C : panel designation. 50 WV or less are not indicated except for electrolytics • Voltage is dc with respect to ground under no-signal and tantalums.

  • Page 26: Printed Wiring Board -Main Section

    CDX-4180 4-7. PRINTED WIRING BOARD — MAIN SECTION — • Semiconductor Location Ref. No. Location Ref. No. Location D401 Q102 C-10 D402 Q201 C-11 D507 Q202 B-11 D601 G-12 Q401 D602 G-13 Q402 D603 H-11 Q601 H-12 D801 Q602 H-12...

  • Page 27: Schematic Diagram -Main Section (1/2)

    CDX-4180 4-8. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 37 for IC Block Diagrams. (Page 26) TU01 Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics R601 3.3k...
  • Page 28 CDX-4180 4-9. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 34 for Note and page 37 for IC Block Diagrams. DISPLAY (Page 29) – 35 – – 36 –...

  • Page 29: Ic Block Diagrams

    • IC Block Diagrams IC1 CXD2507AQ SERVO AUTO SEQUENCER DATA XRST SENS SUB CODE MUTE PROCESSOR INTERFACE SQCK DIGITAL SQSO LOCK TEST EXCK SBSO FILO SCOR DIGITAL FILI DEMODULATOR WFCK EMPH AVSS CLTV ASYMMETRY AVDD CORRECTOR DIGITAL DOUT INTERFACE BIAS ERROR ASYI FSTT...
  • Page 30 IC2 CXA1782BQ 27 26 25 LEVEL S MIRR SENS RF IV AMP1 DFCT C.OUT XRST RF IV AMP2 FE BIAS IIL DATA REGISTER INPUT SHIFT REGISTER DATA ADDRESS DECODER OUTPUT DECODER TOG1-3 FS1-4 TG1-2 TM1-7 PS1-4 F IV AMP BAL1-3 FZC COMP E IV AMP TE AMP...
  • Page 31 IC401 LC75374E LFIN – LFOUT – – – – LSELO LROUT – – VREF CONTROL – SHIFT – DECODER LATCH REGISTER RROUT RSELO – – – – RFOUT – RFIN 6 7 8 9 10 IC701 SM5852FS IC702 SM5878AM LRCI DB/DS ATCK INPUT...

  • Page 32: Exploded Views

    SECTION 5 EXPLODED VIEWS NOTE: • The mechanical parts with no reference • Color Indication of Appearance Parts The components identified by number in the exploded views are not supplied. Example : mark ! or dotted line with mark. • Items marked “*” are not stocked since KNOB, BALANCE (WHITE) ...

  • Page 33: Front Panel Section

    5-2. FRONT PANEL SECTION not supplied (DISPLAY board) LCD851 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-019-549-01 BUTTON (RELEASE) 3-019-543-01 KNOB (D-BASS) 3-019-544-01 KNOB (SEEK/AMS) * 61 X-3374-803-1 HOLDER (LCD) ASSY 3-375-373-01 SPRING (RELEASE) * 62 3-019-557-01 PLATE (LCD), GROUND 3-019-550-01 BUTTON (MODE/SOUND) * 63...

  • Page 34: Cd Mechanism Section (1)

    5-3. CD MECHANISM SECTION (1) (MG-363X-121) M903 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 101 1-659-836-11 DISC IN SW BOARD 3-931-902-03 ARM (ROLLER) * 102 A-3291-816-B CHASSIS (T) SUB ASSY 3-936-756-01 ROLLER (D) 3-931-909-01 SPRING (LR), TENSION 3-321-393-01 WASHER, STOPPER X-3371-501-1 LEVER (L) ASSY * 113...

  • Page 35: Cd Mechanism Section (2)

    5-4. CD MECHANISM SECTION (2) (MG-363X-121) not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-931-893-01 ARM, CHUCKING 3-019-805-01 SPRING (KF1), TENSION 3-931-897-01 DAMPER (T) * 159 A-3291-677-G CHASSIS (M) ASSY 3-931-879-02 LEVER (D) 3-931-883-01 SPRING (TR), TENSION * 154 3-913-404-11 RETAINER (DISC) 3-931-881-01 LEVER (LOCK)

  • Page 36: Cd Mechanism Section (3)

    5-5. CD MECHANISM SECTION (3) (MG-363X-121) M901 M902 The components identified by Les composants identifiés par une mark ! or dotted line with mark. marque ! sont critiques pour la ! are critical for safety. sécurité. Replace only with part number Ne les remplacer que par une piéce specified.

  • Page 37: Electrical Parts List

    SECTION 6 DISC IN SW DISPLAY ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in • Items marked “*” are not stocked since The components identified by the parts list may be different from the they are seldom required for routine service. mark ! or dotted line with mark.
  • Page 38 DISPLAY LIMIT SW LOAD SW MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R885 1-216-186-00 RES, CHIP (3216) A-3294-340-A MAIN BOARD, COMPLETE (US,Canadian) R886 1-216-189-00 RES, CHIP (3216) A-3294-358-A MAIN BOARD, COMPLETE (E) R887 1-216-186-00 RES, CHIP (3216) ********************* R888...
  • Page 39 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C219 1-164-005-11 CERAMIC CHIP 0.47uF C822 1-164-232-11 CERAMIC CHIP 0.01uF C220 1-164-005-11 CERAMIC CHIP 0.47uF C823 1-164-232-11 CERAMIC CHIP 0.01uF 100V C401 1-124-584-00 ELECT 100uF C830 1-164-489-11 CERAMIC CHIP 0.22uF C402 1-163-809-11 CERAMIC CHIP...
  • Page 40 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < IC > Q902 8-729-901-05 TRANSISTOR DTA124EK Q903 8-729-027-43 TRANSISTOR DTC114EKA-T146 IC401 8-759-487-82 IC LC75374E Q904 8-729-015-11 TRANSISTOR 2SD1802FAST-TL IC402 8-759-490-74 IC TDA7384 Q905 8-729-027-43 TRANSISTOR DTC114EKA-T146 IC701 8-759-473-70 IC SM5852FS-E2 Q906...
  • Page 41 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R605 1-216-071-00 METAL CHIP 8.2K 1/10W R831 1-216-089-00 RES, CHIP (2012) (US,Canadian) R832 1-247-887-00 CARBON 220K 1/4W R607 1-216-025-00 RES, CHIP (2012) R833 1-249-395-11 CARBON 1/4W R610 1-216-057-00 METAL CHIP 2.2K 1/10W...
  • Page 42 SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-3309-227-A SERVO BOARD, COMPLETE < JUMPER RESISTOR > ********************** 1-216-296-00 SHORT < CAPACITOR > 1-216-296-00 SHORT 1-216-296-00 SHORT 1-107-823-11 CERAMIC CHIP 0.47uF 1-216-296-00 SHORT 1-164-232-11 CERAMIC CHIP 0.01uF 1-216-296-00 SHORT 1-135-145-11 TANTALUM CHIP 0.47uF...
  • Page 43 SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < TRANSISTOR > < VARIABLE RESISTOR > 8-729-904-60 TRANSISTOR DTB113ZK 1-238-091-11 RES, ADJ, CERMET 22K 8-729-904-86 TRANSISTOR 2SB1197K-Q 1-238-091-11 RES, ADJ, CERMET 22K ************************************************************* < RESISTOR > 1-659-834-11 SUB BOARD 1-216-073-00 METAL CHIP 1/10W...
  • Page 44 CDX-4180 Ref. No. Part No. Description Remark PARTS FOR INSTALLATION AND CONNECTIONS *************************************** 3-014-370-31 FRAME, FITTING 3-916-012-01 BRACKET (ND), FITTING ASSIST (US,Canadian) X-3368-725-1 SCREW ASSY, FITTING (US,Canadian) 3-934-325-01 SCREW (+K 5X8 TP) X-3374-806-1 COLLAR ASSY 3-388-078-01 KEY 1-769-786-81 CORD (WITH CONNECTOR) (POWER)

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