Sony CDX-C7000X Service Manual

Fm/am compact disc player
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CDX-C7000X/C7050X
SERVICE MANUAL
• The tuner and CD sections have no adjustments.

SPECIFICATIONS

AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
19 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
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
87.5 – 107.9 MHz
Antenna terminal
External antenna connector
Intermediate frequency 10.7 MHz/450 kHz
Usable sensitivity
8 dBf
Selectivity
75 dB at 400 kHz
Signal-to-noise ratio
66 dB (stereo),
72 dB (mono)
Harmonic distortion at 1 kHz
0.6% (stereo),
0.3% (mono)
Separation
35 dB at 1 kHz
Frequency response
30 – 15,000 Hz
AM
Tuning range
530 – 1,710 kHz
Antenna terminal
External antenna connector
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity
30 µV
Photo: CDX-C7050X
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
Power amplifier section
Outputs
Speaker impedance
Maximum power output 50 W × 4 (at 4 ohms)
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
US Model
CDX-C5050X/C5055
MG-383Z-121//K
KSS-720A
Speaker outputs
(sure seal connectors)
4 – 8 ohms
Audio outputs
Power antenna relay
control lead
Power amplifier control
lead
Telephone ATT control
lead
Bass ±9 dB at 100 Hz
Treble ±9 dB at 10 kHz
12 V DC car battery
(negative ground)
Approx. 178 × 50 × 183 mm
× 2 × 7
(7
in.)
1/8
1/4
(w/h/d)
Approx. 182 × 53 × 162 mm
× 2
× 6
(7
in.)
1/4
1/8
1/2
(w/h/d)
Approx. 1.2 kg (2 lb. 10 oz.)
Parts for installation and
connections (1 set)
Front panel case (1)
Card remote commander RM-X91
1

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Summary of Contents for Sony CDX-C7000X

  • Page 1: Specifications

    CDX-C7000X/C7050X SERVICE MANUAL US Model Photo: CDX-C7050X • The tuner and CD sections have no adjustments. Model Name Using Similar Mechanism CDX-C5050X/C5055 CD Drive Mechanism Type MG-383Z-121//K SPECIFICATIONS Optical Pick-up Name KSS-720A AUDIO POWER SPECIFICATIONS Power amplifier section POWER OUTPUT AND TOTAL HARMONIC DISTORTION...
  • Page 2: Table Of Contents

    WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN 4. EXPLODED VIEWS THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE 4-1. Chassis Section ..............38 PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR 4-2.
  • Page 3: General

    SECTION 1 GENERAL This section is extracted from instruction manual (CDX-C7050X).
  • Page 10: Disassembly

    SECTION 2 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 2-1. SUB PANEL (CD) ASSY 4 two claws 6 sub panel (CD) assy 2 PTT 2.6x6 3 claw 5 CNP800 1 PTT 2.6x6 2-2. CD MECHANISM BLOCK 7 bracket (CD) 6 PTT 2.6x6 5 CD mechanism block...
  • Page 11: Main Board

    2-3. MAIN BOARD 4 PTT 2.6x6 6 MAIN board 5 PTT 2.6x6 3 PTT 2.6x8 2 PTT 2.6x8 1 PTT 2.6x8 2-4. HEAT SINK 7 heat sink 6 PTT 2.6x8 5 PTT 2.6x8 4 PTT 2.6x8 3 PTT 2.6x12 2 PTT 2.6x8 1 PTT 2.6x8...
  • Page 12: Chassis (T) Sub Assy

    2-5. CHASSIS (T) SUB ASSY 2 P 2x3 3 P 2x3 1 Unsolder the 4 chassis (T) sub assy lead wires. black white 2-6. LEVER SECTION 5 guide (disc) 6 lever (R) 3 tension spring (LR) 7 lever (L) 1 screw 2 DISC IN SW board 4 claws...
  • Page 13: Servo Board

    2-7. SERVO BOARD 7 PS 2x4 6 PS 2x4 2 CN2 3 Removal the solders. 1 CN3 4 P 2x3 8 SERVO board 5 loading motor assy 2-8. SHAFT ROLLER ASSY • When installing, take note of the positions arm (roller) and washers. (Fig. 1) 3 retaing ring (RA) 4 shaft retainer shaft retainer...
  • Page 14: Floating Block Assy

    2-9. FLOATING BLOCK ASSY 6 floating block assy 7 compression spring (FL) 1 tension spring (KF1) 8 compression spring (FL) 4 Fit lever (D) in the direction of the arrow. 5 Turn loading ring in the direction of the arrow. 2 damper (T) 3 damper (T) 2-10.
  • Page 15: Diagrams

    SECTION 3 DIAGRAMS 3-1. IC PIN DESCRIPTIONS • IC501 CXD2598Q (DIGITAL SERVO, DIGITAL SIGNAL PROCESSOR) (SERVO BOARD) Pin No. Pin Name Pin Description DVDD — Digital power supply pin DVSS — Digital ground SOUT Servo brock serial data output (Not used.) SOCK Servo brock serial data read clock output (Not used.) XOLT...
  • Page 16 Pin No. Pin Name Pin Description Tracking error signal input Center servo analog input RFDC RF signal input ADIO Test pin (Not used.) AVSSO — Analog ground IGEN Constant current input from OP amplifier. AVDDO — Analog ground ASYO EFM full-swing output (“L”: VSS, “H”: VDD) ASYI Asymmetry comparate voltage input RFAC...
  • Page 17 • IC5 CXP84640-072Q (CD SYSTEM CONTROL) (SERVO BOARD) Pin No. Pin Name Pin Description ITRPT — Not used in this set. 2, 3 — — Not used in this set. 4, 5 — Not used in this set. OPEN Front panel open detection input CLOSE Front panel close control output LINKOFF...
  • Page 18 Pin No. Pin Name Pin Description SENS SENS signal input — — Not used in this set. — — Not used in this set. BU.IN Back-up power detection input BUSON Bus on control input IN SW Disc in switch input (SW3) SELF SW Self switch input (SW2) SCOR...
  • Page 19 • IC801 MN101C49KTB (SYSTEM CONTROL) (MAIN BOARD) Pin No. Pin Name Pin Description VREF– — Ground for A/D converter power supply S METER S meter voltage detect signal input FM AGC FM auto gain control signal input KEY IN1 KEY signal input KEY IN0 KEY signal input DSTSEL...
  • Page 20 Pin No. Pin Name Pin Description AMP ON Power supply on/off control signal output System attenuate control signal output AMP MUT Power amp attenuate control signal output VOL MUT Mute control signal output for electrical volume TU ON Tuner attenuate signal output EEP SDA Tuner EEPROM serial data signal input/output EEP SCL...
  • Page 35: Ic Block Diagrams

    3-16. IC BLOCK DIAGRAMS IC401, 402 NJM2160AM-TE2 IC1 CXA2596M-T6 (CDX-C7050X only) APC PD AMP HOLD – VCCL BUFFER – SVRL CL– LIFT AGCVTH 23 LC/PD BUFFER – APC LD AMP – REFERENCE 22 LD ON VCCL LGND SIGNAL OUTL INML 21 HOLD SW VCCR INMR...
  • Page 36 IC7 LA6556 S-GND INPUT CH2-CH4 OUTPUT 35 MUTE2 MUTE2 ON/OFF CH1 OUTPUT VCC2 34 MUTE1 MUTE1 ON/OFF VL0– 33 VIN4 OUTPUT CONTROL VL0+ 32 VIN4– – VO4+ 31 VIN4+ LEVEL SHIFT VO4– 30 VREF-IN VO3+ 29 VIN1 (VREF)-SW VIN1/VREF SW LEVEL SHIFT VO3–...
  • Page 37 IC701 TDA7402TR 32 31 30 29 28 27 26 25 24 23 MONO SUPPLY FADER MIXER SUBWOOFER MONO MONO +PHASE FADER FADER CONTROL ACINLF OUTPUT CONTROL SWINR SWINL MUTE AC OUTR VOICE AC OUTL BANDPASS C-BUS QUAL. QUAL BASS HIGH OUT DIGITAL TRABLE CONTROL...
  • Page 38: Exploded Views

    SECTION 4 EXPLODED VIEWS NOTE: • The mechanical parts with no reference • Color Indication of Appearance Parts The components identified by mark 0 or dotted line with mark number in the exploded views are not supplied. Example : 0 are critical for safety. •...
  • Page 39: Front Panel Section

    4-2. FRONT PANEL SECTION not supplied (DISPLAY board) LCD901 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-041-028-01 BUTTON (SOURCE) 3-041-036-01 BUTTON (1-6/M) 3-041-029-01 KNOB (VOL) 3-041-033-01 BUTTON (LIST/ENTER) 3-041-030-01 BUTTON (CROSS) 3-041-035-01 BUTTON (OFF) 3-042-967-01 CUSHION (CROSS) 3-041-034-01 BUTTON (MENU/SOUND) * 55 X-3378-426-1 HOLDER (LCD) ASSY...
  • Page 40: Cd Mechanism Section (1)

    4-3. CD MECHANISM SECTION (1) (MG-383Z-121//K) M903 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 101 1-676-709-11 DISC IN SW BOARD 3-040-040-01 ARM (ROLLER) 3-040-039-01 CHASSIS (T) * 111 A-3294-809-A SERVO BOARD, COMPLETE 3-040-038-01 SPRING (LR), TENSION * 112 3-040-048-01 BRACKET (MOTOR) 3-040-050-01 LEVER (L)
  • Page 41: Cd Mechanism Section (2)

    4-4. CD MECHANISM SECTION (2) (MG-383Z-121//K) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-040-025-01 ARM, CHUCKING A-3307-422-A CHASSIS (M) COMPLETE ASSY 3-040-031-01 DAMPER (T) 3-040-059-01 SPRING (TR), TENSION 3-040-056-01 LEVER (D) 3-040-057-01 LEVER (LOCK) 3-040-024-01 RETAINER (DISC) 3-040-058-01 GEAR (MDL) 3-040-053-01 RING, LOADING 3-040-052-01 WHEEL (U), WORM...
  • Page 42: Cd Mechanism Section (3)

    4-5. CD MECHANISM SECTION (3) (MG-383Z-121//K) M901 M902 The components identified by mark 0 or dotted line with mark 0 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 5 DISC IN SW DISPLAY ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in • Items marked “*” are not stocked since The components identified by mark 0 or dotted line with mark the parts list may be different from the they are seldom required for routine service.
  • Page 44 DISPLAY LIMIT SW MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R920 1-216-667-11 METAL CHIP 4.7K 0.5% 1/10W 3-041-174-01 HEAT SINK (REG) R921 1-216-029-00 METAL CHIP 1/10W 3-041-261-01 BRACKET (TR) R923 1-216-178-00 RES-CHIP 1/8W 7-685-793-09 SCREW +PTT 2.6X8 (S) R925 1-216-029-00 METAL CHIP 1/10W...
  • Page 45 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C436 1-126-160-11 ELECT C920 1-163-038-00 CERAMIC CHIP 0.1uF C437 1-124-233-11 ELECT 10uF C921 1-163-038-00 CERAMIC CHIP 0.1uF C438 1-163-038-00 CERAMIC CHIP 0.1uF C922 1-164-004-11 CERAMIC CHIP 0.1uF C440 1-124-465-00 ELECT 0.47uF...
  • Page 46 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D904 8-719-991-33 DIODE 1SS133T-77 JR704 1-216-296-00 SHORT D905 8-719-109-97 DIODE MTZJ-T-77-6.8B JR708 1-216-296-00 SHORT D906 8-719-929-15 DIODE MTZJ-T-77-9.1B JR710 1-216-296-00 SHORT D907 8-719-200-82 DIODE 11ES2-TA1B JR711 1-216-295-00 SHORT D909 8-719-991-33 DIODE 1SS133T-77 JR712...
  • Page 47 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q905 8-729-049-40 TRANSISTOR STC2412G R210 1-216-086-00 RES-CHIP 1/10W Q906 8-729-049-40 TRANSISTOR STC2412G (C7050X) Q907 8-729-038-55 TRANSISTOR KRA103S R212 1-216-174-00 RES-CHIP 1/8W Q908 8-729-038-68 TRANSISTOR KRC103S R214 1-216-174-00 RES-CHIP 1/8W Q911 8-729-038-68 TRANSISTOR KRC103S...
  • Page 48 MAIN RELAY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R711 1-216-085-00 METAL CHIP 1/10W R904 1-216-065-91 RES-CHIP 4.7K 1/10W R712 1-216-174-00 RES-CHIP 1/8W R905 1-216-025-91 RES-CHIP 1/10W R713 1-216-174-00 RES-CHIP 1/8W R907 1-216-057-00 METAL CHIP 2.2K 1/10W R714...
  • Page 49 SERVO RELAY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < DIODE > C517 1-164-360-11 CERAMIC CHIP 0.1uF C518 1-164-360-11 CERAMIC CHIP 0.1uF LED905 8-719-033-14 LED CL-170PG-CD-T (CD WINDOW) C519 1-164-360-11 CERAMIC CHIP 0.1uF C520 1-164-360-11 CERAMIC CHIP 0.1uF <...
  • Page 50 SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R127 1-216-821-11 METAL CHIP 1/16W R564 1-216-845-11 METAL CHIP 100K 1/16W R213 1-216-821-11 METAL CHIP 1/16W R568 1-216-837-11 METAL CHIP 1/16W R301 1-216-843-11 METAL CHIP 1/16W R569 1-216-809-11 METAL CHIP 1/16W R302...
  • Page 51 Ref. No. Part No. Description Remark ************** HARDWARE LIST ************** 7-685-793-09 SCREW +PTT 2.6X8 (S) 7-685-792-09 SCREW +PTT 2.6X6 (S) 7-685-795-09 SCREW +PTT 2.6X12 (S) 7-685-106-19 SCREW +P 2X10 TYPE2 NON-SLIT 7-621-772-20 SCREW +B 2X5 7-627-850-28 SCREW, PRECISION +P 1.4X3 7-628-253-00 SCREW +PS 2X4 7-627-553-37 SCREW, PRECISION +P 2X3 TYPE3 7-627-553-17 SCREW, PRECISION +P 2X2 TYPE3...
  • Page 52 CDX-C7000X/C7050X Sony Corporation 9-870-138-11 2000C0416-1 Mobile Electronics Division Company Printed in Japan ©2000. 3 Published by General Engineering Dept.
  • Page 53 CDX-C7000X/C7050X US Model SERVICE MANUAL SUPPLEMENT-1 File this supplement with the service manual. Subject : 1. Change of Illumination Color 2. Change of Main and Display Boards (ECN-CSA02152, CSA02456, CSA02457) 1. Change of Illumination Color Illumination color of the EJECT button (relay board) at the disc insertion part was changed from green to red.
  • Page 54 2. Change of Main and Display Boards 2-2. Diagrams When performing service and inspection, check the part number THIS NOTE IS COMMON FOR PRINTED WIRING of the main and display boards. BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is 2-1.
  • Page 61 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C610 1-163-009-11 CERAMIC CHIP 0.001uF < CONNECTOR > C615 1-163-205-00 CERAMIC CHIP 0.001uF C616 1-163-009-11 CERAMIC CHIP 0.001uF * CNP401 1-506-985-11 PIN, CONNECTOR (PC BOARD) 3P C704 1-128-057-11 ELECT 330uF 6.3V...
  • Page 62 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D917 8-719-991-33 DIODE 1SS133T-77 JR711 1-216-295-00 SHORT D918 8-719-929-15 DIODE MTZJ-T-77-9.1B JR712 1-216-296-00 SHORT D921 8-719-079-42 DIODE 1ZB22(TPA3) (C7000X) JR801 1-216-295-00 SHORT D921 8-719-200-82 DIODE 11ES2-TA1B (C7050X) JR803 1-216-296-00 SHORT D922...
  • Page 63 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q907 8-729-038-55 TRANSISTOR KRA103S R210 1-216-086-00 RES-CHIP 1/10W Q908 8-729-038-68 TRANSISTOR KRC103S (C7050X) Q911 8-729-038-68 TRANSISTOR KRC103S R212 1-216-174-00 RES-CHIP 1/8W Q912 8-729-049-43 TRANSISTOR STB1132Y R214 1-216-174-00 RES-CHIP 1/8W Q913 8-729-038-68 TRANSISTOR KRC103S...
  • Page 64 CDX-C7000X/C7050X MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R712 1-216-174-00 RES-CHIP 1/8W R907 1-216-049-11 RES-CHIP 1/10W R713 1-216-174-00 RES-CHIP 1/8W R909 1-216-044-00 METAL CHIP 1/10W R714 1-216-296-00 SHORT R910 1-216-097-11 RES-CHIP 100K 1/10W R720...

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Cdx-c7050x

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