Sony SDX-3180 Service Manual

Fm/mw/lw compact disc player

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SERVICE MANUAL
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
Tuner section
FM
Tuning range
87.5 - 108.0 MHz
Antenna terminal
External antenna connector
Intermediate frequency
10.7 MHz
Usable sensitivity
11 dBf
Selectivity
75 dB at 400 kHz
Signal-to-noise ratio
60 dB (stereo),
60 dB (mono)
Harmonic distortion at 1 kHz
1.0% (stereo),
0.5% (mono)
Separation
35 dB at 1 kHz
Frequency response
30 - 15,000 Hz
Capture ratio
2 dB
MW/LW
Tuning range
MW: 531 - 1,602 kHz
LW: 153 - 281 kHz
Antenna terminal
External antenna connector
Intermediate frequency
10.71 MHz/450 kHz
MW: 30 µV
Sensitivity
LW: 35 µV
MICROFILM
CDX-3180
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name

SPECIFICATIONS

Power amplifier section
Outputs
Speaker impedance
Maximum power output
General
Outputs
Tone controls
Power requirements
Dimensions
Mounting dimensions
Mass
Supplied accessories
Design and specifications are subject to change without
notice.
FM/MW/LW COMPACT DISC PLAYER
– 1 –
AEP Model
UK Model
CDX-4170R
MG-363X-121
KSS-521A
Speaker outputs
(sure seal connectors)
4 - 8 ohms
40 W × 4 (at 4 ohms)
Line outputs (2)
Power aerial relay control
lead
Power amplifier control
lead
Telephone ATT control
lead
Bass ± 10 dB at 100 Hz
Treble ± 10 dB at 10 kHz
12 V DC car battery
(negative ground)
Approx. 188 × 57 × 184.4 mm
(w/h/d)
Approx. 183 × 53 × 163 mm
(w/h/d)
Approx. 1.3 kg
Parts for installation and
connections (1 set)
Front panel case (1)

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Summary of Contents for Sony SDX-3180

  • Page 1: Specifications

    CDX-3180 SERVICE MANUAL AEP Model UK Model Model Name Using Similar Mechanism CDX-4170R CD Drive Mechanism Type MG-363X-121 Optical Pick-up Name KSS-521A SPECIFICATIONS CD player section Power amplifier section System Compact disc digital audio Outputs Speaker outputs system (sure seal connectors) Signal-to-noise ratio 90 dB Speaker impedance...
  • Page 2: Table Of Contents

    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.
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  • Page 9: 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) – 9 –...
  • Page 10: 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 11: 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 – 11 –...
  • Page 12: 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 13: 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 14: 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 15: Electrical Adjustments

    SECTION 3 ELECTRICAL ADJUSTMENTS TEST MODE FM Auto Scan/Stop Level Adjustment Setting : This set have the test mode function. In the test mode, FM Auto D-BASS switch : OFF Scan/Stop Level and MW Auto Scan/Stop Level adjustments can SOURCE button : FMI be performed easier than it in ordinary procedure.
  • Page 16 FM Stereo Separation Adjustment MW Auto Scan/Stop Level Adjustment Setting : Setting : D-BASS switch : OFF D-BASS switch : OFF SOURCE n MODE button : MW SOURCE button : FMI 30 Ω 15 pF FM RF signal generator level meter antenna 65 pF terminal...
  • Page 17 Adjustment Location : tuner unit (TU1) –set upper view– MW AUTO SCAN/ STOP LEVEL ADJ FM AUTO SCAN/ STOP LEVEL ADJ FM STEREO SEPARATION ADJ – 17 –...
  • Page 18: Cd Section

    CD SECTION Focus Gain Adjustment (Coarse adjustment) 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-3180 4-3. PRINTED WIRING BOARDS — CD MECHANISM SECTION — (Page 32) • 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: Schematic Diagram -Cd Mechanism Section

    CDX-3180 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-3180 4-5. PRINTED WIRING BOARD — DISPLAY SECTION — (Page 31) • 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 D872 C-11 •...
  • Page 25: Schematic Diagram -Display Section

    CDX-3180 4-6. SCHEMATIC DIAGRAM — DISPLAY SECTION — (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-3180 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 D802 Q603 H-11...
  • Page 27: Schematic Diagram -Main Section (1/2)

    CDX-3180 4-8. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 39 for IC Block Diagrams. (Page 26) Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.
  • Page 28: Schematic Diagram -Main Section (2/2)

    CDX-3180 4-9. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 34 for Note and page 39 for IC Block Diagrams. (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 LOCK SQSO TEST EXCK SBSO FILO SCOR DIGITAL FILI DEMODULATOR WFCK EMPH AVSS CLTV ASYMMETRY AVDD CORRECTOR DIGITAL DOUT INTERFACE BIAS ASYI ERROR 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 mark ! or dotted line with mark. number in the exploded views are not supplied. Example : ! are critical for safety. •...
  • 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) 3-019-558-01 SHEET (D), LCD...
  • 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 (3)

    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 mark ! or dotted line with mark. ! are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 201...
  • 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 mark ! or dotted line with mark. the parts list may be different from the they are seldom required for routine service.
  • Page 38 DISPLAY LIMIT SW LOAD SW MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R855 1-216-073-00 METAL CHIP 1/10W 1-659-835-12 LIMIT SW BOARD R856 1-216-083-00 METAL CHIP 1/10W *************** R861 1-216-053-00 METAL CHIP 1.5K 1/10W R862 1-216-057-00 METAL CHIP 2.2K 1/10W...
  • Page 39 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C214 1-126-157-11 ELECT 10uF C823 1-164-232-11 CERAMIC CHIP 0.01uF C215 1-126-157-11 ELECT 10uF C830 1-164-489-11 CERAMIC CHIP 0.22uF C216 1-126-157-11 ELECT 10uF C831 1-104-329-11 CERAMIC CHIP 0.1uF C217 1-163-009-11 CERAMIC CHIP 0.001uF...
  • Page 40 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < IC > Q904 8-729-015-11 TRANSISTOR 2SD1802FAST-TL Q905 8-729-027-43 TRANSISTOR DTC114EKA-T146 IC401 8-759-487-82 IC LC75374E Q906 8-729-209-15 TRANSISTOR 2SD2012 IC402 8-759-490-74 IC TDA7384 Q907 8-729-620-06 TRANSISTOR 2SC3052-EF IC701 8-759-473-70 IC SM5852FS-E2 Q908...
  • Page 41 MAIN SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R610 1-216-206-00 RES,CHIP 2.2K 1/8W R841 1-216-105-00 RES,CHIP 220K 1/10W R611 1-216-057-00 METAL CHIP 2.2K 1/10W R842 1-216-105-00 RES,CHIP 220K 1/10W R612 1-216-049-11 RES,CHIP 1/10W R854 1-247-891-00 CARBON 330K 1/4W...
  • Page 42 SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-163-227-11 CERAMIC CHIP 10PF 0.5PF JR13 1-216-296-00 SHORT 1-164-232-11 CERAMIC CHIP 0.01uF JR14 1-216-296-00 SHORT 1-163-989-11 CERAMIC CHIP 0.033uF JR15 1-216-296-00 SHORT 1-164-232-11 CERAMIC CHIP 0.01uF JR16 1-216-296-00 SHORT 1-163-989-11 CERAMIC CHIP 0.033uF...
  • Page 43 SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-216-073-00 METAL CHIP 1/10W MISCELLANEOUS 1-216-073-00 METAL CHIP 1/10W *************** 1-216-085-00 METAL CHIP 1/10W 1-216-085-00 METAL CHIP 1/10W 1-776-527-61 CORD (WITH CONNECTOR) (ISO) (POWER) 1-216-077-00 METAL CHIP 1/10W 1-659-880-11 MOTOR FLEXIBLE BOARD ! 210...
  • Page 44 3-386-828-01 SCREW, FITTING 3-349-410-01 BUSHING 3-388-078-01 KEY X-3370-077-1 SCREW ASSY (AE.KEY), FITTING 1-776-527-61 CORD (WITH CONNECTOR) (ISO) (POWER) 1-465-459-21 ADAPTOR, ANTENNA Sony Corporation 98B047549-1 9-925-780-11 Personal & Mobile Communication Company Printed in Hungary C1998. 2 – 52 – Published by Quality Assurance Dept.

This manual is also suitable for:

Cdx-4280

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