Sony CDX-C460 Service Manual
Sony CDX-C460 Service Manual

Sony CDX-C460 Service Manual

Fm/am compact disc player
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SERVICE MANUAL
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS (US Model)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
15 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
88 dB
Frequency response
10 - 20,000 Hz
Wow and flutter
Below measurable limit
Laser Diode properties
Material
GaAlAs
Wavelength
780 nm
Emission Duration
Continuous
Laser output power
Less than 44.6 µW*
* 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
62 dB (stereo),
65 dB (mono)
MICROFILM
CDX-C460/C560
Photo : CDX-C560
– 1 –
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
Harmonic distortion at 1 kHz
1.0% (stereo),
0.7% (mono)
Separation
35 dB at 1 kHz
Frequency response
30 - 15,000 Hz
Capture ratio
2 dB
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
Sensitivity
32 dBµV
FM/AM COMPACT DISC PLAYER
US Model
CDX-C460/C560
Canadian Model
E Model
CDX-C460
CDX-4160
MG-333X-121
KSS-520A
– Continued on next page –

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Summary of Contents for Sony CDX-C460

  • Page 1 CDX-C460/C560 SERVICE MANUAL US Model CDX-C460/C560 Canadian Model E Model CDX-C460 Photo : CDX-C560 SPECIFICATIONS Model Name Using Similar Mechanism CDX-4160 CD Drive Mechanism Type MG-333X-121 AUDIO POWER SPECIFICATIONS (US Model) Optical Pick-up Name KSS-520A POWER OUTPUT AND TOTAL HARMONIC DISTORTION...
  • Page 2 CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE The laser beam on this model is concentrated so as to be focused on REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY the disc reflective surface by the objective lens in the optical pick-up DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU...
  • Page 3: Table Of Contents

    TABLE OF CONTENTS 1. GENERAL Location of Controls ..............4 Setting the Clock ............... 4 CD Player .................. 4 Radio ..................5 Other Functions ................. 6 CD/MD Changer ............... 7 DSP .................... 9 TV/Video ................. 11 Additional Information ............12 Connections ................
  • Page 4 SECTION 1 GENERAL This section extracted from CDX-C560’s instruction manual. – 4 –...
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  • Page 16: Cover Assy

    SECTION 2 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 2-1. COVER ASSY 2 claw 4 cover assy 3 claws 1 claw 2-2. FRONT PANEL ASSY 3 claw 2 front panel assy 4 claw 1 Push the RELEASE button. 5 collar (CDX) –...
  • Page 17: Sub Panel Assy

    2-3. SUB PANEL ASSY 4 claw 1 PTT 2.6x6 2 PTT 2.6x6 5 sub panel assy 3 PTT 2.6x6 2-4. CD MECHANISM BLOCK 6 PTT 2.6x6 5 CD mechanism block 7 bracket (MD) 1 PTT 2.6x6 4 CNP401 2 PTT 2.6x6 3 PTT 2.6x6 –...
  • Page 18: Main Board

    2-5. MAIN BOARD 3 ground point screw 1 PTT 2.6x6 4 MAIN board 5 insulating sheet 2 PTT 2.6x6 2-6. HEAT SINK 1 CNP302 (CDX-C560) 9 bracket (H) 8 heat sink 3 cord (with connector) (CDX-C560) 2 PTT 2.6x6 (CDX-C560) 4 PTT 2.6x8 5 PTT 2.6x8 6 PTT 2.6x8...
  • Page 19: Chassis (T) Sub Assy

    2-7. CHASSIS (T) SUB ASSY 3 P 2x3 2 P 2x3 1 Unsolder the lead wires. 4 chassis (T) sub assy gray 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 20: Servo Board

    2-9. SERVO BOARD 6 PS 2x4 5 PS 2x4 2 CN2 1 CN3 7 SERVO board 3 P 2x3 4 loading motor assy 2-10. ROLLER ASSY washer washer washers • When installing, take note of the positions arm (roller) and washers. (Fig. 1) Fig.
  • Page 21: 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 22: Electrical Adjustments

    FM Auto Scan/Stop Level Adjustment TEST MODE Setting : This set have the test mode function. In the test mode, FM Auto Scan/ D-BASS switch (CDX-C460) : OFF Stop Level and AM Auto Scan/Stop Level adjustments can be per- SOURCE button : FM formed easier than it in ordinary procedure.
  • Page 23 FM Stereo Separation Adjustment AM Auto Scan/Stop Level Adjustment Setting : Setting : D-BASS switch (CDX-C460) : OFF D-BASS switch (CDX-C460) : OFF SOURCE n MODE button SOURCE button : FM : AM FREQUENCY SELECT switch (E model) : FM 200k...
  • Page 24 Adjustment Location : tuner unit (TU1) –set upper view– AM AUTO SCAN/ STOP LEVEL ADJ FM AUTO SCAN/ STOP LEVEL ADJ FM STEREO SEPARATION ADJ – 24 –...
  • Page 25: 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 26: Diagrams

    SECTION 4 DIAGRAMS 4-1. IC PIN DESCRIPTIONS • IC601 µPD784035 (MAIN SYSTEM CONTROL) Pin No. Pin Name Pin Description UNICKI Serial clock input UNISO Serial data output BUSON BUS ON control output UNICKO Serial data output PIO write strobe output BEEP BEEP control output RESET...
  • Page 27 • IC651 µPD71055GB-10-3B4 (SUB SYSTEM CONTROL) Pin No. Pin Name Pin Description Pin No. Pin Name Pin Description VDD. — Power supply pin (+5 V) — Not used. 56, 57 KEY IN0, 1 KEY input 0, 1 Chip select input RC IN0 Rotary commander 0 —...
  • Page 28: Block Diagram -Cd Section

    CDX-C460/C560 4-2. BLOCK DIAGRAM — CD SECTION — CDX-C560 CDX-C460 DIGITAL SIGNAL D-BASS OPTICAL PICK-UP RF AMP, SERVO CONTROL PROCESSOR DIGITAL FILTER, D/A CONVERTER CONTROL KSS-520A IC401 IC403 IC402 MAIN 35 PD1 14 RF PCMD 3 DI DOUT 5 DATA...
  • Page 29: Circuit Boards Location

    4-4. CIRCUIT BOARDS LOCATION DISC IN SW board SUB board tuner unit (TUX-006/2(E)) LIMIT SW board DISPLAY board MAIN board LOAD SW board – 33 –...
  • Page 30 • Waveforms (MODE:PLAY) Approx. 620mVp-p (FEO) 1.2Vp-p #¡ (RFO) Approx. 200mVp-p $™ (TEO) 2.6Vp-p 7.6µsec (MDP) 5.8Vp-p 22.7µsec @º (LRCK) 5.7Vp-p 474nsec @™ (BCK) 3.2Vp-p 16.89MHz #¢ (XTAI) – 40 –...
  • Page 31 IC2 CXA1782BQ • IC Block Diagrams IC1 CXD2507AQ (SERVO BOARD) 27 26 25 SERVO AUTO SEQUENCER DATA XRST SENS SUB CODE MUTE PROCESSOR INTERFACE LEVEL S SQCK DIGITAL LOCK SQSO TEST EXCK SBSO FILO SCOR DIGITAL FILI DEMODULATOR WFCK EMPH MIRR AVSS SENS...
  • Page 32 IC1 BU2624F (MAIN BOARD) IC302, 303 TA2050F IC301 LC75373ED XOUT OUT1 16 NC PHASE IN(–)1 VREF REFERENCE DIVIDER IN(+)1 MAIN FMIN PRESCALER IN(+)2 COUNT IN(–)2 RSOUT LSOUT SHIFT REGISTER LATCH AMIN OUT2 IF COUNT 20BIT COUNT IFIN CONTROL LSIN RSIN LTOUT RTOUT SHIFT...
  • Page 33 IC403 SM5852ES-E2 IC751 BA8270F-E2 IC781 BU4030BF-E2 BUS ON BUS ON DB/DS LRCI SWITCH INPUT BCKI MOD2 DIGITAL RESET INTERFACE SIGNAL MODE SWITCH MOD1 PROCESSOR CONTROL BUS ON BLOCK CLK IN BATTERY BATT BU IN SYSTEM SWITCH CLOCK VREF DATA DATA IN SEQUENCE RSTN CONTROL...
  • Page 34: Exploded Views

    X-3373-164-1 PLATE (WINDOW) ASSY, INDICATION (C560) A-3294-267-A MAIN BOARD, COMPLETE (E) F301 1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) 10A 3-009-827-01 BUTTON (LIST) 3-904-194-01 EMBLEM (NO. 2.5), SONY 3-009-828-01 BUTTON (10 KEY) 3-009-833-01 PLATE, LIGHT GUIDE 3-008-665-01 BRACKET (IC) * TU1...
  • Page 35: Cd Mechanism Section (1)

    5-3. CD MECHANISM SECTION (1) (MG-333X-121) M903 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 101 1-659-836-11 DISC IN SW BOARD 3-931-902-01 ARM (ROLLER) * 102 A-3291-816-A 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 36: Cd Mechanism Section (2)

    5-4. CD MECHANISM SECTION (2) (MG-333X-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-A CHASSIS (M) ASSY, COMPLETE 3-931-879-02 LEVER (D) 3-931-883-01 SPRING (TR), TENSION * 154 3-913-404-11 RETAINER (DISC)
  • Page 37: Cd Mechanism Section (3)

    5-5. CD MECHANISM SECTION (3) (MG-333X-121) M901 M902 The components identified by mark Les composants identifiés par une ! or dotted line with mark. ! are marque ! sont critiques pour critical for safety. la sécurite. Replace only with part number Ne les remplacer que par une pièce specified.
  • Page 38: 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 the parts list may be different from the they are seldom required for routine service. ! or dotted line with mark.
  • Page 39 DISPLAY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark LSW816 1-762-619-11 SWITCH, KEY BOARD (WITH LED) (SOURCE) R816 1-219-286-11 METAL GLAZE 680 2% 1/16W (C460) R817 1-218-847-11 METAL GLAZE 1/16W LSW816 1-762-620-11 SWITCH, KEY BOARD (WITH LED) (SOURCE) R818 1-218-851-11 METAL GLAZE 1.5K 2%...
  • Page 40 LIMIT SW LOAD SW MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-659-835-12 LIMIT SW BOARD 1-136-169-00 FILM 0.22uF 1-104-683-11 MYLAR 0.0047uF *************** 1-164-004-11 CERAMIC CHIP 0.1uF < SWITCH > 1-124-589-11 ELECT 47uF 1-163-009-11 CERAMIC CHIP 0.001uF 1-572-688-11 SWITCH, PUSH (1 KEY) (LIMIT) 1-163-237-11 CERAMIC CHIP...
  • Page 41 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C162 1-109-994-11 CERAMIC CHIP 2.2uF C255 1-164-506-11 CERAMIC CHIP 4.7uF C163 1-163-009-11 CERAMIC CHIP 0.001uF (C560) C164 1-136-165-00 FILM 0.1uF C256 1-163-009-11 CERAMIC CHIP 0.001uF C165 1-136-165-00 FILM 0.1uF (C560) C171...
  • Page 42 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C382 1-216-295-00 CONDUCTOR, CHIP (2012) (C460) C783 1-164-004-11 CERAMIC CHIP 0.1uF C383 1-164-004-11 CERAMIC CHIP 0.1uF C784 1-164-004-11 CERAMIC CHIP 0.1uF C384 1-164-004-11 CERAMIC CHIP 0.1uF C785 1-164-004-11 CERAMIC CHIP 0.1uF (C560)
  • Page 43 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < DIODE > D955 8-719-911-19 DIODE 1SS119 D956 8-719-911-19 DIODE 1SS119 8-719-981-59 DIODE FC805 D971 8-719-049-38 DIODE 1N5404TU 8-719-109-89 DIODE RD5.6ESB2 D972 8-719-977-12 DIODE DTZ6.8B D161 8-719-053-18 DIODE 1SR154-400TE-25 D973 8-719-404-49 DIODE MA111 D171...
  • Page 44 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < TRANSISTOR > 1-216-029-00 METAL CHIP 150 5% 1/10W 1-216-049-11 METAL GLAZE 1/10W 8-729-021-94 TRANSISTOR 2SK1657-T1B 1-216-089-00 METAL GLAZE 47K 5% 1/10W 8-729-920-85 TRANSISTOR 2SD1664-QR 1-216-065-00 METAL CHIP 4.7K 5% 1/10W Q121...
  • Page 45 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R172 1-216-129-00 METAL CHIP 2.2M 5% 1/10W (C460) R407 1-216-025-00 METAL GLAZE 100 5% 1/10W (C560) R201 1-216-069-00 METAL CHIP 6.8K 5% 1/10W R408 1-216-025-00 METAL GLAZE 100 5% 1/10W (C560) R202...
  • Page 46 MAIN SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R681 1-216-097-00 METAL GLAZE 100K 5% 1/10W R951 1-216-057-00 METAL CHIP 2.2K 5% 1/10W R691 1-216-295-00 CONDUCTOR, CHIP (2012) R952 1-216-057-00 METAL CHIP 2.2K 5% 1/10W R692 1-216-097-00 METAL GLAZE 100K 5%...
  • Page 47 SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-164-004-11 CERAMIC CHIP 0.1uF JR14 1-216-296-00 CONDUCTOR, CHIP (3216) 1-164-004-11 CERAMIC CHIP 0.1uF JR15 1-216-296-00 CONDUCTOR, CHIP (3216) 1-163-037-11 CERAMIC CHIP 0.022uF JR16 1-216-296-00 CONDUCTOR, CHIP (3216) 1-107-823-11 CERAMIC CHIP 0.47uF JR17...
  • Page 48 SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-216-073-00 METAL CHIP 10K 5% 1/10W < VARIABLE RESISTOR > 1-216-009-00 METAL CHIP 1/10W 1-216-119-00 METAL CHIP 820K 5% 1/10W 1-238-091-11 RES, ADJ, CERMET 22K 1-216-119-00 METAL CHIP 820K 5% 1/10W 1-238-091-11 RES, ADJ, CERMET 22K...
  • Page 49 Ref. No. Part No. Description Remark ************** HARDWARE LIST ************** 7-627-000-00 SCREW, PRECISION +P 1.7X2.2 TYPE3 7-685-792-09 SCREW +PTT 2.6X6 (S) 7-685-793-09 SCREW +PTT 2.6X8 (S) 7-621-772-10 SCREW +B 2X4 7-685-106-19 SCREW +P 2X10 TYPE2 NON-SLIT 7-627-850-28 SCREW, PRECISION +P 1.4X3 7-628-253-00 SCREW +PS 2X4 7-627-553-37 PRECISION SCREW +P 2X3 TYPE 3 7-627-553-17 PRECISION SCREW +P 2X2 TYPE 3...
  • Page 50 CDX-C460/C560 Sony Corporation 97B0435-1 9-925-578-11 Personal & Mobile Communication Company Printed in Japan C1997. 2 Published by Quality Assurance Dept. – 76 –...

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