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CDX-C7000X/C7050X
QQ
3 7 63 1515 0
SERVICE MANUAL
Ver 1.1 2000. 08
• The tuner and CD sections have no adjustments.
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
TE
19 watts per channel minimum continuous average power into
L 13942296513
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
www
Tuning range
530 – 1,710 kHz
Antenna terminal
External antenna connector
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity
30 µV
.
http://www.xiaoyu163.com
SPECIFICATIONS
x
ao
y
i
http://www.xiaoyu163.com
8
Photo: CDX-C7050X
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
Power amplifier section
Outputs
Q Q
3
6 7
1 3
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
u163
.
2 9
9 4
2 8
CDX-C5050X/C5055
MG-383Z-121//K
KSS-720A
Speaker outputs
(sure seal connectors)
1 5
0 5
8
2 9
9 4
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
m
co
9 9
US Model
2 8
9 9
1

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   Summary of Contents for Sony CDX-C7050X

  • Page 1 CDX-C7000X/C7050X 3 7 63 1515 0 SERVICE MANUAL US Model Ver 1.1 2000. 08 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...
  • Page 2: Table Of Contents

    COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 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: General

    SECTION 1 GENERAL 3 7 63 1515 0 This section is extracted from instruction manual (CDX-C7050X). L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 4: Cd Player Cd/md Unit (optional)

    http://www.xiaoyu163.com 3 7 63 1515 0 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: Other Functions

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 7: Tv/video (optional)

    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: Disassembly

    http://www.xiaoyu163.com SECTION 2 DISASSEMBLY 3 7 63 1515 0 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 L 13942296513 2-2.
  • Page 11: Main Board

    http://www.xiaoyu163.com 3 7 63 1515 0 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 L 13942296513 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...
  • Page 12: Chassis (t) Sub Assy

    http://www.xiaoyu163.com 3 7 63 1515 0 2-5. CHASSIS (T) SUB ASSY 2 P 2x3 3 P 2x3 1 Unsolder the 4 chassis (T) sub assy lead wires. black white L 13942296513 2-6. LEVER SECTION 5 guide (disc) 6 lever (R) 3 tension spring (LR) 7 lever (L) 1 screw...
  • Page 13: Servo Board

    http://www.xiaoyu163.com 3 7 63 1515 0 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 L 13942296513 2-8. SHAFT ROLLER ASSY • When installing, take note of the positions arm (roller) and washers.
  • Page 14: Floating Block Assy

    http://www.xiaoyu163.com 3 7 63 1515 0 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.
  • Page 15: Diagrams

    http://www.xiaoyu163.com SECTION 3 DIAGRAMS 3 7 63 1515 0 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.)
  • Page 16 http://www.xiaoyu163.com 3 7 63 1515 0 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 —...
  • Page 17 http://www.xiaoyu163.com 3 7 63 1515 0 • 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...
  • Page 18 http://www.xiaoyu163.com 3 7 63 1515 0 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...
  • Page 19 http://www.xiaoyu163.com 3 7 63 1515 0 • 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...
  • Page 20: Te L 13942296513

    http://www.xiaoyu163.com 3 7 63 1515 0 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...
  • Page 21: Block Diagram -cd Section

    http://www.xiaoyu163.com CDX-C7000X/C7050X 3 7 6 3 1 5 1 5 0 3-2. BLOCK DIAGRAM — CD SECTION — RF AMP, LD APC, DIGITAL SERVO, OPTICAL PICKUP ERROR AMP DIGITAL SIGNAL PROCESSOR KSS-720A IC501 (Page 22) (Page 22) TUNER LOUT1 CD L RFAC SECTION TUNER...
  • Page 22: Block Diagram -tuner Section

    http://www.xiaoyu163.com CDX-C7000X/C7050X 3 7 6 3 1 5 1 5 0 3-3. BLOCK DIAGRAM — TUNER SECTION — ELECTRONIC VOLUME IC701 IC406 OUTSWL CNP401 SUB OUT (M0N0) MUTE PJ400(1/2) Q403 BUS AUDIO IN PJ400(2/2) AUDIO OUT REAR AUDIO OUT FRONT –5 –6 C7000X...
  • Page 23: Block Diagram -display Section

    http://www.xiaoyu163.com CDX-C7000X/C7050X 3 7 6 3 1 5 1 5 0 3-4. BLOCK DIAGRAM — DISPLAY SECTION — 3-5. CIRCUIT BOARDS LOCATION SYSTEM CONTROL LCD DRIVE IC801 (3/3) IC901 LIMIT SW board KEY MATRIX LIQUID CRYSTAL DISC IN SW board KEY IN0 LCD DATA DATA...
  • Page 24: Q Q 3-6. Printed Wiring Boards -cd Mechanism Section

    http://www.xiaoyu163.com CDX-C7000X/C7050X 3 7 6 3 1 5 1 5 0 3-6. PRINTED WIRING BOARDS — CD MECHANISM SECTION — 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 25 http://www.xiaoyu163.com CDX-C7000X/C7050X 3 7 6 3 1 5 1 5 0 • Semiconductor Location Ref. No. Location IC501 Q101 (Page 30) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
  • Page 26: Schematic Diagram -cd Mechanism Section (1/2)

    http://www.xiaoyu163.com CDX-C7000X/C7050X 3 7 6 3 1 5 1 5 0 3-7. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (1/2) — • Refer to page 35 for IC Block Diagrams. KSS-720A • Waveforms (MODE:PLAY) 1 3 9 4 2 2 9 6 5 1 3 Approx.
  • Page 27: Schematic Diagram -cd Mechanism Section (2/2)

    http://www.xiaoyu163.com CDX-C7000X/C7050X 3 7 6 3 1 5 1 5 0 3-8. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (2/2) — • Refer to page 36 for IC Block Diagrams. (Page 26) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 Note:...
  • Page 28: Schematic Diagram -main Section (1/2)

    http://www.xiaoyu163.com CDX-C7000X/C7050X 3 7 6 3 1 5 1 5 0 3-9. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 35 for IC Block Diagrams. (Page 1 3 9 4 2 2 9 6 5 1 3 (Page 32) w w w u 1 6 3...
  • Page 29: Schematic Diagram -main Section (2/2)

    http://www.xiaoyu163.com CDX-C7000X/C7050X 3 7 6 3 1 5 1 5 0 3-10. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 35 for IC Block Diagrams. 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 Note: •...
  • Page 30: Printed Wiring Board -main Section

    K-13 D914 Q912 I-12 w w w D915 Q913 C-14 D917 Q914 u 1 6 3 D918 B-14 Q915 D921 Q916 D922 Q919 I-12 D923 Q920 B-13 D924 Q921 C-10 (Page 31) D925 Q922 G-14 ) : CDX-C7050X only http://www.xiaoyu163.com...
  • Page 31: Printed Wiring Board -relay Section

    http://www.xiaoyu163.com CDX-C7000X/C7050X 3 7 6 3 1 5 1 5 0 3-12. PRINTED WIRING BOARD — RELAY SECTION — (Page 30) 1 3 9 4 2 2 9 6 5 1 3 w w w (Page 34) u 1 6 3 http://www.xiaoyu163.com...
  • Page 32: Schematic Diagram -relay Section

    http://www.xiaoyu163.com CDX-C7000X/C7050X 3 7 6 3 1 5 1 5 0 3-13. SCHEMATIC DIAGRAM — RELAY SECTION — (Page 28) (Page 33) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
  • Page 33: Schematic Diagram -display Section

    http://www.xiaoyu163.com CDX-C7000X/C7050X 3 7 6 3 1 5 1 5 0 3-14. SCHEMATIC DIAGRAM — DISPLAY SECTION — (Page 32) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 Note: • Voltage is dc with respect to ground under no-signal (detuned) condition.
  • Page 34: Printed Wiring Board -display Section

    http://www.xiaoyu163.com CDX-C7000X/C7050X 3 7 6 3 1 5 1 5 0 3-15. PRINTED WIRING BOARD — DISPLAY SECTION — 1 3 9 4 2 2 9 6 5 1 3 (Page 31) • Semiconductor Location Ref. No. Location Ref. No. Location (D902) B-10...
  • Page 35: Ic Block Diagrams

    3 7 63 1515 0 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...
  • Page 36 http://www.xiaoyu163.com 3 7 63 1515 0 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...
  • Page 37 http://www.xiaoyu163.com 3 7 63 1515 0 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.
  • Page 38: Exploded Views

    http://www.xiaoyu163.com SECTION 4 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 0 or dotted line with mark Example : •...
  • Page 39: Front Panel Section

    http://www.xiaoyu163.com 3 7 63 1515 0 4-2. FRONT PANEL SECTION not supplied (DISPLAY board) LCD901 L 13942296513 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)
  • Page 40: Cd Mechanism Section (1)

    http://www.xiaoyu163.com 3 7 63 1515 0 4-3. CD MECHANISM SECTION (1) (MG-383Z-121//K) L 13942296513 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...
  • Page 41: Cd Mechanism Section (2)

    http://www.xiaoyu163.com 3 7 63 1515 0 4-4. CD MECHANISM SECTION (2) (MG-383Z-121//K) L 13942296513 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)
  • Page 42: Cd Mechanism Section (3)

    http://www.xiaoyu163.com 3 7 63 1515 0 4-5. CD MECHANISM SECTION (3) (MG-383Z-121//K) M901 M902 L 13942296513 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.
  • Page 43: Electrical Parts List

    http://www.xiaoyu163.com SECTION 5 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 0 or dotted line with mark the parts list may be different from the they are seldom required for routine service.
  • Page 44 http://www.xiaoyu163.com DISPLAY LIMIT SW MAIN 3 7 63 1515 0 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...
  • Page 45 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 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...
  • Page 46 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 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...
  • Page 47 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 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...
  • Page 48 http://www.xiaoyu163.com MAIN RELAY 3 7 63 1515 0 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...
  • Page 49 http://www.xiaoyu163.com SERVO RELAY 3 7 63 1515 0 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...
  • Page 50 http://www.xiaoyu163.com SERVO 3 7 63 1515 0 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...
  • Page 51 http://www.xiaoyu163.com 3 7 63 1515 0 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...
  • Page 52 CDX-C7000X/C7050X 3 7 63 1515 0 L 13942296513 u163 Sony Corporation 9-870-138-11 2000C0416-1 Mobile Electronics Division Company Printed in Japan ©2000. 3 Published by General Engineering Dept. http://www.xiaoyu163.com...

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