Sony CDX-4260R Service Manual
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Sony CDX-4260R Service Manual

Sony CDX-4260R Service Manual

Fm/mw/lw compact disc player
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3 7 63 1515 0
SERVICE MANUAL
TE
L 13942296513
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
Aerial terminal
External aerial connector
Intermediate frequency 10.7 MHz
Usable sensitivity
12 dBf
Selectivity
75 dB at 400 kHz
Signal-to-noise ratio
65 dB (stereo),
68 dB (mono)
Harmonic distortion at 1 kHz
0.8% (stereo),
0.6% (mono)
Separation
35 dB at 1 kHz
Frequency response
30 – 15,000 Hz
MW/LW
Tuning range
MW: 531 – 1,602 kHz
LW: 153 – 281 kHz
Aerial terminal
External aerial connector
Intermediate frequency 10.7 MHz / 450 kHz
Sensitivity
MW: 30 µV
LW: 50 µV
www
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MICROFILM
http://www.xiaoyu163.com
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http://www.xiaoyu163.com
CDX-4260R
2 9
8
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
Q Q
3
6 7
1 3
1 5
Power amplifier section
Outputs
Speaker impedance
Maximum power output 40 W × 4 (at 4 ohms)
General
Outputs
Tone controls
Power requirements
Dimensions
Mounting dimension
Mass
Supplied accessories
Design and specifications are subject to change without
notice.
FM/MW/LW COMPACT DISC PLAYER
co
.
9 4
2 8
AEP Model
UK Model
CDX-4180R
MG-363X-121
KSS-521A
0 5
8
2 9
9 4
2 8
Speaker outputs
(sure seal connectors)
4 – 8 ohms
Line output (1)
Power aerial relay control
lead
Power amplifier control
lead
Bass ±8 dB at 100 Hz
Treble ±8 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)
m
9 9
9 9
1

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  • Page 1 CDX-4260R 3 7 63 1515 0 SERVICE MANUAL AEP Model UK Model Model Name Using Similar Mechanism CDX-4180R CD Drive Mechanism Type MG-363X-121 Optical Pick-up Name KSS-521A SPECIFICATIONS L 13942296513 CD player section Power amplifier section System Compact disc digital audio...
  • 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

    http://www.xiaoyu163.com 3 7 63 1515 0 TABLE OF CONTENTS 1. GENERAL Location of controls ..............4 Getting Started ................. 4 Setting the clock ..............4 CD Player ................4 Radio ..................5 RDS ..................5 Other Functions ............... 7 Connections ................8 2.

  • Page 4: General

    http://www.xiaoyu163.com SECTION 1 GENERAL 3 7 63 1515 0 This section is extracted from instruction manual. L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 5: Radio

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 6 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 7: Other Functions

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 8: Connections

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 9 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 10: Cover

    http://www.xiaoyu163.com SECTION 2 DISASSEMBLY 3 7 63 1515 0 Note : Follow the disassembly procedure in the numerical order given. 2-1. COVER 1 claw 4 cover 3 claws 2 claw L 13942296513 2-2. FRONT PANEL ASSY 2 front panel assy 1 Push the button (release).

  • Page 11: Sub Panel (1) Assy

    http://www.xiaoyu163.com 3 7 63 1515 0 2-3. SUB PANEL (1) ASSY 5 claw 6 sub panel (1) assy 1 PTT 2.6x6 4 claw 2 PTT 2.6x6 3 PTT 2.6x6 L 13942296513 2-4. CD MECHANISM BLOCK 2 PTT 2.6x6 7 PTT 2.6x6 8 bracket (M/D) 3 PTT 2.6x6 5 CD mechanism block...

  • Page 12: Main Board

    http://www.xiaoyu163.com 3 7 63 1515 0 2-5. MAIN BOARD 6 MAIN board 4 ground point screws (PTT 2.6x6) 5 ground point screw (PTT 2.6x6) 3 PTT 2.6x8 2 PTT 2.6x8 1 PTT 2.6x8 L 13942296513 2-6. HEAT SINK 4 heat sink 3 PTT 2.6x8 2 PTT 2.6x12 u163...

  • Page 13: Chassis (T) Sub Assy

    http://www.xiaoyu163.com 3 7 63 1515 0 2-7. CHASSIS (T) SUB ASSY 4 P 2x3 3 P 2x3 5 chassis (T) sub assy 1 Unsolder the lead wires. 2 P 2x3 gray white black L 13942296513 2-8. LEVER ASSY 5 guide (disc) 6 lever (R) assy 3 tension spring (LR) 7 lever (L) assy...

  • Page 14: Servo Board

    http://www.xiaoyu163.com 3 7 63 1515 0 2-9. SERVO BOARD 6 PS 2x4 5 PS 2x4 2 CN2 1 CN3 3 P 2x3 7 SERVO board 4 loading motor assy L 13942296513 2-10. ROLLER ASSY • When installing, take note of the positions arm (roller) and washers.

  • Page 15: Chassis (Op) (O/S) Assy

    http://www.xiaoyu163.com 3 7 63 1515 0 2-11. CHASSIS (OP) (O/S) ASSY 7 chassis (OP) (O/S) assy 8 compression spring (FL) 1 tension spring (KF1) 9 compression spring (FL) 2 tension spring (KR1) 5 Fit lever (D) in the direction of the arrow. 6 Turn loading ring in the L 13942296513 direction of the arrow.

  • Page 16: Electrical Adjustments

    http://www.xiaoyu163.com SECTION 3 ELECTRICAL ADJUSTMENTS 3 7 63 1515 0 TUNER SECTION 0 dB = 1 µV FM Auto Scan/Stop Level Adjustment Setting : D-BASS switch : OFF Cautions during repair SOURCE button : FM When the tuner unit is defective, replace it by a new one because its internal block is difficult to repair.
  • Page 17 http://www.xiaoyu163.com 3 7 63 1515 0 FM Stereo Separation Adjustment FM RDS S-Meter Adjustment Setting : Setting : D-BASS switch : OFF D-BASS switch : OFF SOURCE button : FM SOURCE button : FM FM RF signal FM RF signal generator generator level meter...
  • Page 18 http://www.xiaoyu163.com 3 7 63 1515 0 MW Auto Scan/Stop Level Adjustment Adjustment Location : tuner unit (TU601) Setting : D-BASS switch : OFF SOURCE n MODE button : MW 30 Ω 15 pF 65 pF AM RF signal generator AM dummy antenna (50 Ω...

  • Page 19: Cd Section

    http://www.xiaoyu163.com 3 7 63 1515 0 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 20 — Not used. (Connect to ground in this set.) SQ CKO Sub Q read clock output UNI SI SONY BUS system serial interface input UNI SO SONY BUS system serial interface output UNI CK SONY BUS system serial clock input/output C IN Track jump No.
  • Page 21 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 Pin No. Pin Name Pin Description Pin No. Pin Name Pin Description AMP ON Power amplifier power control output ANT REM ANT REMOTE power control output TXT ON Reset output to CD-TEXT decoder IC. (Not used in this set.) —...

  • Page 22: Block Diagram -Cd Section

    CDX-4260R 3 7 6 3 1 5 1 5 0 4-2. BLOCK DIAGRAM — CD SECTION — OPTICAL PICK-UP RF AMP, SERVO CONTROL DIGITAL SIGNAL PROCESSOR D/A CONVERTER KSS-521A IC702 TUNER RF 0 PCMD VOUTL CD L-CH SECTION (Page 23)

  • Page 23: Block Diagram -Tuner Section

    CDX-4260R 3 7 6 3 1 5 1 5 0 4-3. BLOCK DIAGRAM — TUNER SECTION — ELECTRONIC (Page 22) VOLUME IC401 SECTION OUT FL TUNER UNIT CD L-CH MUTE TU601 Q110 CNJ600 PJ400 ANT AM (ANTENNA) –1 R 16...

  • Page 24: Block Diagram -Display Section

    CDX-4260R 3 7 6 3 1 5 1 5 0 4-4. BLOCK DIAGRAM — DISPLAY SECTION — SYSTEM CONTROL LCD DRIVE IC801 (3/3) IC501 RESET RESET DATA BU5V IC902 LCD501 S900 RESET D910 BACK-UP BATT CHECK Q906 DIM ON 1...

  • Page 25: Circuit Boards Location

    http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 4-5. CIRCUIT BOARDS LOCATION • Waveforms (MODE:PLAY) THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) for schematic diagram: •...

  • Page 26: Printed Wiring Boards -Cd Mechanism Section

    CDX-4260R 3 7 6 3 1 5 1 5 0 4-6. PRINTED WIRING BOARDS — CD MECHANISM SECTION — • Semiconductor Location Ref. No. Location 1 3 9 4 2 2 9 6 5 1 3 (Page 29) w w w u 1 6 3 http://www.xiaoyu163.com...

  • Page 27: Schematic Diagram -Cd Mechanism Section

    CDX-4260R 3 7 6 3 1 5 1 5 0 4-7. SCHEMATIC DIAGRAM — CD MECHANISM SECTION — • Refer to page 25 for Waveforms. • Refer to page 35 for IC Block Diagrams. 1 3 9 4 2 2 9 6 5 1 3...

  • Page 28: Printed Wiring Board -Main Section

    CDX-4260R 3 7 6 3 1 5 1 5 0 4-8. PRINTED WIRING BOARD — MAIN SECTION — • Semiconductor Location (side A) Ref. No. Location D403 D603 D881 D909 D-10 D914 D918 D919 D920 D930 D940 D-10 IC401...
  • Page 29 CDX-4260R 3 7 6 3 1 5 1 5 0 • Semiconductor Location (side B) 1 3 9 4 2 2 9 6 5 1 3 Ref. No. Location Ref. No. Location D402 D915 G-12 D404 D916 I-13 D405...

  • Page 30: Schematic Diagram -Main Section (1/3)

    CDX-4260R 3 7 6 3 1 5 1 5 0 4-9. SCHEMATIC DIAGRAM — MAIN SECTION (1/3) — • Refer to page 37 for IC Block Diagrams. 1 3 9 4 2 2 9 6 5 1 3 w w w...

  • Page 31: Schematic Diagram -Main Section (2/3)

    CDX-4260R 3 7 6 3 1 5 1 5 0 4-10. SCHEMATIC DIAGRAM — MAIN SECTION (2/3) — • Refer to page 38 for IC Block Diagrams. (Page 30) 1 3 9 4 2 2 9 6 5 1 3...

  • Page 32: Schematic Diagram -Main Section (3/3)

    CDX-4260R 3 7 6 3 1 5 1 5 0 4-11. SCHEMATIC DIAGRAM — MAIN SECTION (3/3) — • Refer to page 38 for IC Block Diagrams. (Page 30) 1 3 9 4 2 2 9 6 5 1 3...

  • Page 33: Schematic Diagram -Display Section

    CDX-4260R 3 7 6 3 1 5 1 5 0 4-12. SCHEMATIC DIAGRAM — DISPLAY SECTION — (Page 32) 1 3 9 4 2 2 9 6 5 1 3 w w w Note: u 1 6 3 • Voltage is dc with respect to ground under no-signal (detuned) condition.

  • Page 34: Printed Wiring Board -Display Section

    CDX-4260R 3 7 6 3 1 5 1 5 0 4-13. PRINTED WIRING BOARD — DISPLAY SECTION — 1 3 9 4 2 2 9 6 5 1 3 (Page 29) • Semiconductor Location Ref. No. Location Ref. No.
  • Page 35 http://www.xiaoyu163.com 3 7 63 1515 0 • IC Block Diagrams IC1 CXD2507AQ SERVO AUTO DATA SEQUENCER 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...
  • Page 36 http://www.xiaoyu163.com 3 7 63 1515 0 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 L 13942296513 OUTPUT DECODER TOG1-3 FS1-4 TG1-2 TM1-7...
  • Page 37 http://www.xiaoyu163.com 3 7 63 1515 0 IC401 TDA7462D013TR SE3L SE3R MUTE PAUSE PAUSE DETECT FRONT INPUT TREBLE/ OUT FL VOICE BANDPASS LOUDNESS VOLUME FADER SOFT GAIN & BASS CONTROL SE1L CONTROL AUTO MUTE CONTROL CIRCUIT CIRCUIT SE1R ZERO CIRCUIT FRONT OUT FR MD–...
  • Page 38 http://www.xiaoyu163.com 3 7 63 1515 0 IC601 TDA7427AD1TR LPOUT VDD1 VDD2 LP FM SWITCH CHARGE PHASE 11 BIT PROG LP1/LP2 GND AM PUMP COMP COUNTER LP HC LP AM SWITCH SWITCH SWM/DIR SWM/DIR V REF AM IN SWITCH AM/FM INLOCK 6 BIT PROG PRE COUNTER DETECTOR...

  • Page 39: Exploded Views

    http://www.xiaoyu163.com SECTION 5 EXPLODED VIEWS 3 7 63 1515 0 NOTE: • The mechanical parts with no reference • Color Indication of Appearance Parts The components identified by number in the exploded views are not supplied. mark ! or dotted line with mark. Example : •...

  • Page 40: Front Panel Section

    http://www.xiaoyu163.com 3 7 63 1515 0 5-2. FRONT PANEL SECTION not supplied (DISPLAY board) LCD501 L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-030-999-01 BUTTON (RELEASE) * 62 3-030-994-01 BRACKET (LCD) 3-038-318-01 SPRING (RELEASE) * 63 3-032-289-01 SHEET (DIFFUSION 5) 3-030-854-11 LEVER (SEEK/AMS)

  • Page 41: Cd Mechanism Section (1)

    http://www.xiaoyu163.com 3 7 63 1515 0 5-3. CD MECHANISM SECTION (1) (MG-363X-121) L 13942296513 M903 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 101 1-659-836-11 DISC IN SW BOARD 3-931-902-04 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...

  • Page 42: Cd Mechanism Section (2)

    http://www.xiaoyu163.com 3 7 63 1515 0 5-4. CD MECHANISM SECTION (2) (MG-363X-121) L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-931-893-01 ARM, CHUCKING A-3277-802-C CHASSIS (M) COMPLETE ASSY 3-931-897-01 DAMPER (T) 3-931-883-01 SPRING (TR), TENSION 3-931-879-02 LEVER (D) 3-931-881-01 LEVER (LOCK) * 154...

  • Page 43: Cd Mechanism Section (3)

    http://www.xiaoyu163.com 3 7 63 1515 0 5-5. CD MECHANISM SECTION (3) (MG-363X-121) M901 M902 L 13942296513 The components identified by mark ! or dotted line with mark. ! are critical for safety. Replace only with part number specified. Ref. No. Part No.

  • Page 44: Electrical Parts List

    http://www.xiaoyu163.com SECTION 6 DISC IN SW DISPLAY ELECTRICAL PARTS LIST 3 7 63 1515 0 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 45 http://www.xiaoyu163.com DISPLAY LIMIT SW LOAD SW MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R514 1-216-049-11 RES,CHIP 1/10W 1-659-837-11 LOAD SW BOARD R515 1-216-053-00 METAL CHIP 1.5K 1/10W *************** R516 1-216-053-00 METAL CHIP 1.5K 1/10W...
  • Page 46 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C605 1-124-234-00 ELECT 22uF C704 1-164-004-11 CERAMIC CHIP 0.1uF C606 1-124-584-00 ELECT 100uF C705 1-163-009-11 CERAMIC CHIP 0.001uF C607 1-163-021-11 CERAMIC CHIP 0.01uF C707 1-162-970-11 CERAMIC CHIP...
  • Page 47 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D406 8-719-923-92 DIODE MTZJ-T-77-16B < JUMPER RESISTOR > D407 8-719-923-92 DIODE MTZJ-T-77-16B D408 8-719-923-92 DIODE MTZJ-T-77-16B JR405 1-216-295-00 SHORT D409 8-719-923-92 DIODE MTZJ-T-77-16B JR409 1-216-295-00 SHORT D410...
  • Page 48 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q614 8-729-120-28 TRANSISTOR 2SC2412K-T-146-R R223 1-216-089-00 RES,CHIP 1/10W Q615 8-729-901-00 TRANSISTOR DTC124EKA-T146 R226 1-216-095-00 METAL CHIP 1/10W Q618 8-729-120-28 TRANSISTOR 2SC2412K-T-146-R R228 1-216-082-00 RES,CHIP 1/10W...
  • Page 49 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R651 1-216-025-00 RES,CHIP 1/10W R865 1-216-097-00 RES,CHIP 100K 1/10W R694 1-216-017-00 RES,CHIP 1/10W R866 1-216-097-00 RES,CHIP 100K 1/10W R695 1-216-097-00 RES,CHIP 100K 1/10W R868...
  • Page 50 http://www.xiaoyu163.com SERVO 3 7 63 1515 0 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 1-163-021-11 CERAMIC CHIP...
  • Page 51 http://www.xiaoyu163.com SERVO 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < TRANSISTOR > < VARIABLE RESISTOR > 8-729-904-60 TRANSISTOR DTB113ZK-T-146 1-238-091-11 RES, ADJ, CERMET 22K 8-729-904-86 TRANSISTOR 2SB1197K-T-146-Q 1-238-091-11 RES, ADJ, CERMET 22K ************************************************************* <...
  • Page 52 CDX-4260R 3 7 63 1515 0 Ref. No. Part No. Description Remark PARTS FOR INSTALLATION AND CONNECTIONS *************************************** 3-011-653-01 FRAME X-3374-928-1 COLLAR ASSY 3-034-262-01 SCREW, FITTING * 254 3-358-697-01 BUSHING 3-909-731-01 KEY 1-776-527-51 CORD (WITH CONNECTOR) (ISO) (POWER) 1-465-459-11 ADAPTOR, ANTENNA...

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