Sony CDX-4480ESP Service Manual
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Sony CDX-4480ESP Service Manual

Sony CDX-4480ESP Service Manual

Fm/am 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
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
AM
Tuning range
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
MICROFILM
CDX-4480ESP

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/AM COMPACT DISC PLAYER
– 1 –
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
Speaker outputs
(sure seal connectors)
4 - 8 ohms
40 W × 4 (at 4 ohms)
Line outputs (2)
Power antenna 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. 178 × 50 × 185 mm
(w/h/d)
Approx. 182 × 53 × 162 mm
(w/h/d)
Approx. 1.2 kg
Parts for installation and
connections (1 set)
Front panel case (1)
E Model
NEW
MG-363W-121
KSS-520A

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Summary of Contents for Sony CDX-4480ESP

  • Page 1: Specifications

    CDX-4480ESP SERVICE MANUAL E Model Model Name Using Similar Mechanism CD Drive Mechanism Type MG-363W-121 Optical Pick-up Name KSS-520A SPECIFICATIONS CD player section Power amplifier section System Compact disc digital audio Outputs Speaker outputs system (sure seal connectors) Signal-to-noise ratio...
  • Page 2 COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! 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.

  • 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 ..................6 Other Functions ................. 7 Connections ................9 2. DISASSEMBLY 2-1. Cover Assy ................11 2-2.
  • Page 4 SECTION 1 GENERAL This section extracted from instruction manual. – 4 –...
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  • Page 11: 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) – 11 –...

  • Page 12: 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 CNP700 1 PTT 2.6x6...

  • Page 13: Main Board

    2-5. MAIN BOARD 3 ground point screws (PTT 2.6 X 6) 2 ground point screw (PTT 2.6 X 6) 4 MAIN board 1 PTT 2.6x8 2-6. HEAT SINK 4 heat sink 3 PTT 2.6x8 2 PTT 2.6x10 1 PTT 2.6x8 –...

  • Page 14: Chassis (T) Sub Assy

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

  • Page 15: Servo Board

    2-9. SERVO BOARD 3 PS 2x5 2 PS 2x5 4 heat sink 1 PTT 2.6x5 8 CN2 5 wire !™ SERVO board 0 CN4 !¡ PS 2x5 9 CN5 6 P 2x3 7 loading motor assy 2-10. ROLLER ASSY • When installing, take note of the positions arm (roller) and washers.

  • Page 16: Chassis (Op) (O/S) Assy

    2-11. CHASSIS (OP) (O/S) ASSY 6 chassis (OP) (O/S) assy 8 compression spring (FL) 1 tension spring (angle) 7 compression spring (FL) 4 Fit lever (D) in the direction of the arrow. 5 Turn loading ring in the direction of the arrow. 3 damper (T) 2 damper (T) 2-12.

  • Page 17: Electrical Adjustments

    SECTION 3 ELECTRICAL ADJUSTMENTS CD SECTION FM SENS/IF Adjustment Setting: CD section adjustments are done automatically in this set. SOURCE button : FMI 0 dB = 1 µV D-BASS switch : OFF TUNER SECTION FREQUENCY SELECT switch : FM 200K Cautions during repair FM RF signal When the tuner unit is defective, replace it by a new one because...
  • Page 18 AM Auto Scan/Stop Level Adjustment Setting: digital voltmeter SOURCE n MODE button : AM D-BASS switch : OFF FREQUENCY SELECT switch : AM 10K S-METER OUT – AM RF signal level dummy antenna generator meter antenna terminal 30 Ω 15 pF Procedure: 4 Ω...

  • Page 19: Diagrams

    SECTION 4 DIAGRAMS 4-1. IC PIN DESCRIPTIONS • IC5 CXP84640-003Q (CD SYSTEM CONTROL) Pin No. Pin Name Pin Description 1 – 7 — Not used in this set. LINKOFF Bus interface link input (Not used in this set.) DRV OE Focus/tracking coil/sled motor control output D SW Down switch input (SW4)
  • Page 20 Pin No. Pin Name Pin Description IN SW Disc in switch input (SW1) SELF SW Self switch input (SW2) TX CE EEPROM chip enable output (Not used in this set.) SCK2 Sub Q read clock output Sub Q 80 bit, PCM peak and level data 16 bit input CD DATA CD signal process serial data output ESPXWRE...
  • Page 21 • IC501 CXD2548R (DIGITAL SERVO, DIGITAL SIGNAL PROCESSOR) Pin No. Pin Name Pin Description SYSM System mute input (Not used.) RMUT1 R-ch, “0” detection output. (“H” : ON, “L” : OFF) (Not used.) LMUT2 L-ch, “0” detection output. (“H” : ON, “L” : OFF) (Not used.) CKOUT Master clock frequency division output (Not used.) VDD0...
  • Page 22 Pin No. Pin Name Pin Description ASY.O EFM full-swing output (“L” : VSS, “H” : VDD) Center voltage input Focus error signal input Sled error signal input Tracking error signal input Center error signal input RFDC RF signal input Condenser connection pin for LPF time constant of RF signal. ADIO OP amplifier output (Not used.) AVSS3...
  • Page 23 Pin No. Pin Name Pin Description ROUT2 R-ch, LINE output. (Not used.) AIN2 R-ch, OP amplifier input. (Not used.) AOUT2 R-ch, Analog output. (Not used.) AVDD2 — R-ch, Analog power supply. AVSS2 — R-ch, Analog GND. VSS0 — Digital GND –...
  • Page 24 • IC801 MB90574PFV-G-111 (SYSTEM CONTROL) Pin No. Pin Name Pin Description LD ON Laser power ON/OFF control output (Connected to GND.) Focus signal detection input (Not used in this set.) XLAT25 CD signal process latch output (Not used in this set.) DATA25 CD signal serial data output (Not used in this set.) XRSRO...
  • Page 25 Pin No. Pin Name Pin Description AMP ON Power amplifier power control output XMODE Reset output to CD-TEXT decoder IC. (Not used in this set.) VOL SO Main volume serial data output VOL CKO Main volume serial clock output AU MUTE System attenuate control output AF MUTE Attenuate output at AF operation of RDS.

  • Page 26: Circuit Boards Location

    Pin No. Pin Name Pin Description PW ON System power control output REGMOD1 FM ON output REGMOD2 Tuner power control output CTL1 Not used in this set. CTL2 Driver IC control output (Not used in this set.) Loading motor control output (Forward direction) (Not used in this set.) Loading motor control output (Reverse direction) (Not used in this set.) L SW Sled limit switch detection input (Fixed at “H”...

  • Page 27: Block Diagram -Cd Section

    CDX-4480ESP 4-3. BLOCK DIAGRAM — CD SECTION — DIGITAL SERVO/ OPTICAL PICK-UP RF AMP, LD-APC ERROR AMP DIGITAL SIGNAL PROCESSOR DRAM CONTROLLER DIGITAL FILTER D/A CONVERTER KSS-520A IC501 IC701 IC702 3 PD1 59 RFDC PCMD 9 DATI DATA 3 DI...

  • Page 28: Block Diagram -Main Section

    CDX-4480ESP 4-4. BLOCK DIAGRAM — MAIN SECTION — L FRONT PJ400 LINE OUT CDINL L REAR MOD2 ELECTRONIC VOLUME SECTION MOD1 POWER AMP CNP501 IC401 IC402 TUNER UNIT CNJ600 ANT-FM L-OUT TONE (ANTENNA) R-OUT R-CH ANT-AM AM-DET 16 17 18...
  • Page 34 • IC Block Diagrams IC1 CXA1791N-T4 IC6 LB1638MTP-T1 N.C. VREF LD AMP PD AMP 1.25V OUT1 20 VCC – – 19 APC ON OUT2 18 RFI – – 17 RFO N.C. IV AMP1 SUMMING AMP – – 16 FE FOCUS IV AMP2 ERROR AMP 15 FE BIAS...
  • Page 35 IC4 MB814400C-70PFTN IC601 BA6195FP-YT2 25 24 23 22 21 16 15 THERMAL SHUT DOWN DRIVER WRITE MUTE DATA INPUT DATA OUTPUT CLOCK BUFFER BUFFER LEVEL SHIFT GENERATOR – – – CLOCK GENERATOR 4M BIT COLUMN SENSE AMP MEMORY – + – DECODER I/O GATE CELL...
  • Page 36 IC401 LC75374E LFIN – LFOUT – – – – LSELO LROUT – – VREF CONTROL – SHIFT – DECODER LATCH REGISTER RROUT RSELO – – – – RFOUT – RFIN 6 7 8 9 10 IC602 BU2624FV-E2 IC701 SM5852FS-E2 XOUT DB/DS LRCI INPUT...
  • Page 37 IC702 SM5878AM-E2 ATCK ATTENUATION COUNTER MUTE MODE FILTER & ATTENUATION DEEN OPERATION BLOCK RSTN TIMING NOISE SHAPER OPERATION BLOCK CONTROL XVSS DVSS BCKI CLOCK INPUT INTERFACE GENERATOR DVDD LRCI XVDD MUTE TSTN AVDDL 11 LEVEL 11 LEVEL 11 LEVEL 11 LEVEL AVDDR DEM DAC DEM DAC...

  • Page 38: 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 39: Front Panel Section

    5-2. FRONT PANEL SECTION not supplied (DISPLAY board) LCD801 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-3374-890-1 HOLDER (LCD) ASSY 3-375-373-01 SPRING (RELEASE) * 62 3-019-530-01 PLATE (LCD), GROUND 3-019-550-01 BUTTON (MODE/SOUND) 3-021-407-01 SHEET (D), LCD...

  • Page 40: Cd Mechanism Section (1)

    5-3. CD MECHANISM SECTION (1) (MG-363W-121) M903 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 101 1-659-836-11 DISC IN SW BOARD 3-936-756-01 ROLLER (D) * 102 A-3291-816-B CHASSIS (T) SUB ASSY 3-321-393-01 WASHER, STOPPER 3-931-909-01 SPRING (LR), TENSION * 113 3-939-139-01 SPACER X-3371-501-1 LEVER (L) ASSY...

  • Page 41: Cd Mechanism Section (2)

    5-4. CD MECHANISM SECTION (2) (MG-363W-121) not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-931-893-01 ARM, CHUCKING 3-931-914-01 SPRING (ANGLE), 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 42: Cd Mechanism Section (3)

    5-5. CD MECHANISM SECTION (3) (MG-363W-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 43: 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 44 DISPLAY LIMIT SW LOAD SW MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R810 1-216-671-11 METAL CHIP 6.8K 0.5% 1/10W A-3294-378-A MAIN BOARD, COMPLETE R811 1-216-647-11 METAL CHIP 0.5% 1/10W ********************* R812 1-216-647-11 METAL CHIP 0.5% 1/10W R813...
  • Page 45 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C401 1-124-234-00 ELECT 22uF C801 1-164-004-11 CERAMIC CHIP 0.1uF C402 1-164-346-11 CERAMIC CHIP C802 1-164-004-11 CERAMIC CHIP 0.1uF C403 1-126-163-11 ELECT 4.7uF C803 1-164-004-11 CERAMIC CHIP 0.1uF C404 1-163-127-00 CERAMIC CHIP 270PF...
  • Page 46 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D102 8-719-200-82 DIODE 11ES2 < IC > D103 8-719-200-82 DIODE 11ES2 D104 8-719-200-82 DIODE 11ES2 IC401 8-759-487-82 IC LC75374E D201 8-719-200-82 DIODE 11ES2 IC402 8-759-490-74 IC TDA7384 D202 8-719-200-82 DIODE 11ES2 IC602...
  • Page 47 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q907 8-729-901-05 TRANSISTOR DTA124EK R605 1-216-065-00 RES,CHIP 4.7K 1/10W Q908 8-729-027-44 TRANSISTOR DTC114TKA-T146 R609 1-216-061-00 METAL CHIP 3.3K 1/10W Q909 8-729-920-85 TRANSISTOR 2SD1664-QR R610 1-216-073-00 METAL CHIP 1/10W Q910 8-729-901-05 TRANSISTOR DTA124EK...
  • Page 48 MAIN SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R858 1-216-097-00 RES,CHIP 100K 1/10W C110 1-163-251-11 CERAMIC CHIP 100PF R859 1-216-097-00 RES,CHIP 100K 1/10W C111 1-163-005-11 CERAMIC CHIP 470PF R860 1-216-097-00 RES,CHIP 100K 1/10W C112 1-164-489-11 CERAMIC CHIP 0.22uF R901...
  • Page 49 SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 8-759-370-18 IC BA6797FP-E2 R308 1-216-683-11 METAL CHIP 0.5% 1/10W IC501 8-752-378-67 IC CXD2548R R309 1-216-675-11 METAL CHIP 0.5% 1/10W IC601 8-759-335-52 IC BA6195FP-YT2 R310 1-216-683-11 METAL CHIP 0.5% 1/10W R311...
  • Page 50 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-659-834-11 SUB BOARD PARTS FOR INSTALLATION AND CONNECTIONS ********** *************************************** < CONNECTOR > 3-014-370-31 FRAME, FITTING X-3366-405-1 SCREW ASSY (EXP), FITTING 1-770-347-21 CONNECTOR, FPC 6P 3-934-325-01 SCREW (+K 5X8 TP) X-3374-806-1 COLLAR ASSY ************************************************************* 3-388-078-01 KEY...
  • Page 51 CDX-4480ESP Sony Corporation 98B0423-1 9-925-906-11 Personal & Mobile Communication Company Printed in Japan C1998. 2 – 70 – Published by Quality Assurance Dept.

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