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Sony CDX-CA730X Service Manual

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SERVICE MANUAL
Ver 1.1 2003. 02
• The tuner and CD sections have no adjustments.
CD player section
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)
Aerial terminal
External aerial 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
AM tuning interval:
9 kHz/10 kHz switchable
531 – 1,602 kHz (at 9 kHz step)
530 – 1,710 kHz (at 10 kHz step)
Aerial terminal
External aerial connector
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity
30 µV
Sony Corporation
9-873-559-02
2003B0400-1
e Vehicle Company
© 2003. 02
Published by Sony Engineering Corporation
CDX-CA730X
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
Power amplifier section
Outputs
Speaker impedance
Maximum power output 52 W × 4 (at 4 ohms)
General
Outputs
Inputs
Tone controls
Loudness
FM/AM COMPACT DISC PLAYER
E Model
CDX-CA700/CA700X
MG-393XA-121//Q
KSS-720A
Speaker outputs
(sure seal connectors)
4 – 8 ohms
Audio outputs (front /rear)
Power antenna relay control terminal
Power amplifier control terminal
Telephone ATT control terminal
BUS control input terminal
BUS audio input terminal
Remote controller input terminal
Aerial input terminal
Bass ±10 dB at 62 Hz
Treble ±10 dB at 16 kHz
+8 dB at 100 Hz
+2 dB at 10 kHz
– Continued on next page –
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  • Page 1 530 – 1,710 kHz (at 10 kHz step) Aerial terminal External aerial connector Intermediate frequency 10.7 MHz/450 kHz Sensitivity 30 µV FM/AM COMPACT DISC PLAYER Sony Corporation 9-873-559-02 2003B0400-1 e Vehicle Company © 2003. 02 Published by Sony Engineering Corporation...
  • Page 2 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: Table Of Contents

    CDX-CA730X TABLE OF CONTENTS 1. GENERAL 3. DIAGRAMS Location of controls ..............4 3-1. IC Pin Description ............. 13 Connections ................5 3-2. Block Diagram –CD Section– ........... 15 3-3. Block Diagram –Tuner Section– ........16 2. DISASSEMBLY 3-4. Block Diagram –Display Section– ........17 3-5.

  • Page 4: General

    CDX-CA730X SECTION 1 GENERAL This section is extracted from instruction manual.

  • Page 5: Connections

    CDX-CA730X Connections...
  • Page 6 CDX-CA730X...

  • Page 7: Disassembly

    CDX-CA730X SECTION 2 DISASSEMBLY Note : This set can be disassemble according to the following sequence. 2-5. CHASSIS (T.U) ASSY 2-1. SUB PANEL ASSY (Page 9) (Page 7) 2-6. DISC IN BOARD 2-7. SERVO BOARD 2-2. CD MECHANISM BLOCK (Page 10)

  • Page 8: Cd Mechanism Block

    CDX-CA730X 2-2. CD MECHANISM BLOCK 6 bracket (CD) 7 CD mechanism block 5 PTT 2.6x4 2 PTT 2.6x4 1 PTT 2.6x4 4 CNP301 2-3. MAIN BOARD 4 PTT 2.6x6 6 MAIN board 5 PTT 2.6x6 1 PTT 2.6x4 2 PTT 2.6x4...

  • Page 9: Heat Sink

    CDX-CA730X 2-4. HEAT SINK 4 heat sink 3 PTT 2.6x10 2 PTT 2.6x16 1 PTT 2.6x10 2-5. CHASSIS (T.U) ASSY 2 P 2x3 3 P 2x3 1 Unsolder the 4 chassis (T.U) sub assy lead wires. black white...

  • Page 10: Disc In Board

    CDX-CA730X 2-6. DISC IN BOARD 4 guide (disc) 1 PS 2x3 2 DISC IN board 3 claws 2-7. SERVO BOARD 7 SERVO board 6 PS 2x4 5 PS 2x4 2 Removal the solders. 8 connector 1 CN3 3 P 2x3...

  • Page 11: Shaft Roller Assy

    CDX-CA730X 2-8. SHAFT ROLLER ASSY • When installing, take note of the positions arm (roller) and washers. (Fig. 1) 3 retaing ring (roller) bearing (roller) bearing (roller) 4 bearing (roller) washer (RA) retaing ring (roller) washer (RA) Fig. 1 5 shaft roller assy...

  • Page 12: Optical Pick-Up Block

    CDX-CA730X 2-10. OPTICAL PICK-UP BLOCK 4 P 2x3 1 P 2x3 5 spring (feed), plate 2 sled motor assy 3 optical pick-up block 6 shaft (feed) assy...

  • Page 13: Diagrams

    Telephone ATT detection signal input NCO (VCC) Connect to power supply. UNISO Sony-Bus serial data signal output to bus interface (IC581) UNISI Sony-Bus serial data signal input from bus interface (IC581) UNICKO Sony-Bus serial clock signal output to bus interface (IC581)
  • Page 14 CDX-CA730X Pin No. Pin Name Pin Description TUNON Tuner power supply control signal output to power supply (IC601) PW ON System power supply control signal output to power supply (IC601) TSTB CD text parameter strob signal output to servo IC (IC1)

  • Page 15: Block Diagram -Cd Section

    CDX-CA730X 3-2. BLOCK DIAGRAM — CD SECTION — RF AMP,DIGITAL SERVO DIGITAL SIGNAL PROCESSOR OPTICAL PICK-UP KSS-720A (Page 16) TUNER SECTION LOUT SYSTEM CONTROL ROUT IC501(1/3) CONV R-CH DEMOD PACK 31 CD_PACK TSTB 51 TSTB DSUB CODE TSCK PROCESS CONV.

  • Page 16: Block Diagram -Tuner Section

    CDX-CA730X 3-3. BLOCK DIAGRAM — TUNER SECTION — PJ151 ELECTRONIC VOLUME BUS AUDIO IN IC331 R-CH AUDIO OUT FRONT ACOUT RCH R-CH R-CH ACOUT LCH L-CH AMP AUDIO OUT REAR IC332 ACIN RCH R-CH POWER AMP IC751 CNP781 AUX-LCH R-CH...

  • Page 17: Block Diagram -Display Section

    CDX-CA730X 3-4. BLOCK DIAGRAM — DISPLAY SECTION — 3-5. CIRCUIT BOARDS LOCATION SYSTEM CONTROL LCD DRIVE DISC IN board SUB board IC501 (3/3) IC901 KEY MATRIX KEY IN0 LSW902,904,905,907, LCD SO DATA LCD DATA SEG1 911,913,915,916,918,919 LCD CKO LCD CLK...

  • Page 18: Printed Wiring Boards -Cd Mechanism Section

    CDX-CA730X 3-6. PRINTED WIRING BOARDS — CD MECHANISM SECTION — • Refer to page 17 for Circuit Boards Location. 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 19 CDX-CA730X • Semiconductor Location Ref. No. Location TP77 TP78 TP62 TP82 TP48 TP66 TP80 TP84 TP83 TP60 TP11 TP12 TP50 TP81 TP47 TP64 TP59 TP10 TP51 (Page 25) TP89 TP52 TP71 TP56 TP58 TP22 TP72 TP24 TP23 TP25 TP61 TP76...

  • Page 20: Schematic Diagram -Cd Mechanism Section

    CDX-CA730X • Refer to page 17 for Waveforms. 3-7. SCHEMATIC DIAGRAM — CD MECHANISM SECTION — • Refer to page 30 for IC Block Diagrams. TP77 TP78 TP89 TP79 TP80 TP81 TP82 TP45 TP10 TP83 TP44 TP84 TP43 TP42 TP41...

  • Page 21: Schematic Diagram -Main Section (1/3)

    CDX-CA730X • Refer to page 17 for Waveform. 3-8. SCHEMATIC DIAGRAM — MAIN SECTION (1/3) — • Refer to page 31 for IC Block Diagrams. R334 R335 R336 R339 R340 R341 TU10 IC332 IC333 C339 C342 C340 R338 C341 R344...

  • Page 22: Schematic Diagram -Main Section (2/3)

    CDX-CA730X 3-9. SCHEMATIC DIAGRAM — MAIN SECTION (2/3) — • Refer to page 32 for IC Block Diagram. PJ151 R462 C277 C276 R281 R279 C178 C278 R272 R429 C273 R274 C757 C756 IC751 Q271 R275 C188 C288 R276 R142 R286...

  • Page 23: Schematic Diagram -Main Section (3/3)

    CDX-CA730X Ver 1.1 • Refer to page 17 for Waveforms. 3-10. SCHEMATIC DIAGRAM — MAIN SECTION (3/3) — • Refer to page 32 for IC Block Diagram. (Page21) (Page22) R508 (Page20) R357 C303 CNP301 C302 R507 R356 C506 R521 C305...

  • Page 24: Printed Wiring Board -Main Section

    CDX-CA730X 3-11. PRINTED WIRING BOARD — MAIN SECTION — • Refer to page 17 for Circuit Boards Location. C757 C756 C178 C187 C278 C287 C142 C784 C177 D733 Q171 C279 Q271 Q281 C785 R281 D723 R462 R184 R243 D734 R143...
  • Page 25 CDX-CA730X PJ151 J561 CNP781 CNJ581 IC751 L781 TU10 C623 C610 C303 C611 C334 C612 C307 C613 C614 C306 C615 C301 C335 C141 • Semiconductor Location Ref. No. Location D781 IC601 F-10 IC751 Q351 G-10 C510 S553 X502 CN701 C551 S552...

  • Page 26: Printed Wiring Board -Relay Section

    CDX-CA730X 3-12. PRINTED WIRING BOARD — RELAY SECTION — • Refer to page 17 for Circuit Boards Location. LSW801 LED801 (Page 25) (Page 28)

  • Page 27: Schematic Diagram -Relay Section

    CDX-CA730X 3-13. SCHEMATIC DIAGRAM — RELAY SECTION — CNP801 CNP802 LSW801(1/2) (Page 29) LED801 (Page 23) LSW801(2/2)

  • Page 28: Printed Wiring Board -Key Section

    CDX-CA730X 3-14. PRINTED WIRING BOARD — KEY SECTION — • Refer to page 17 for Circuit Boards Location. R926 R958 R921 R931 R919 R922 R910 R932 R971 R918 R970 R984 D901 IC901 R905 CN901 R906 R986 R930 R990 R903 R907...

  • Page 29: Schematic Diagram -Key Section

    CDX-CA730X 3-15. SCHEMATIC DIAGRAM — KEY SECTION — RE901 R998 LED914 R995 LSW911(2/2) LSW913(2/2) R997 R920 R930 R996 R982 C959 C958 R983 IC971 R958 R959 R987 CN901 LSW919(2/2) LSW915(2/2) LSW902(2/2) R940 LED903 C971 R931 R941 LSW904(2/2) LSW916(2/2) R932 R942 IC901...
  • Page 30 CDX-CA730X • IC BLOCK DIAGRAMS IC1 µPD63711GC-8EU IC2 BA5810FP-E2 BIAS 71 70 LOADING PRE OPIN4+ FWD REV – OPIN4– MICROCOMPUTER INTERFACE AGCI 50 C2D3 LDCONT COMPARATOR 49 C2D2 POWER CD-TEXT DECODER OPOUT4 SAVE 48 C2D1 SUB-CODE PROCESSOR OPIN3+ MEMORY 47 C1D2 –...
  • Page 31 CDX-CA730X IC331 TDA7406 32 31 30 29 28 27 26 25 MIXER SOFT STEP SOFT STEP SOFT STEP MONO FADER FADER FADER FADER CREF SUPPLY SACLK WOOFER FILTER OUTPUT SELECTOR SWIN ACIN-RCH 17 EXA-ATT ACOUT.RCH SWACOUT C-BUS QUAL. QUAL AC OUT.LCH...
  • Page 32 CDX-CA730X IC601 AN80T51 REFERENCE VOLTAGE ASO & PEAK CURRENT PROTECTION THERMAL PROTECTION DRIVE DRIVE DRIVE DRIVE DRIVE TUN-ON 10V-ON BU+B AMP+B ANT+B TU+B TU+B (5.8V) 8.7V (5.1V) (8.4V) IC581 BA8270F BUS ON BUS ON SWITCH RESET SWITCH BUS ON CLK IN...

  • Page 33: Exploded Views

    CDX-CA730X 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 34: Main Board Section

    CDX-CA730X 4-2. MAIN BOARD SECTION TU10 F901 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-3340-295-A MAIN BOARD, COMPLETE F901 1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) 10A 3-236-285-01 HEAT SINK (REG) TU10 A-3220-812-A TUNER UNIT (TUX-020)

  • Page 35: Front Panel Section

    CDX-CA730X 4-3. FRONT PANEL SECTION not supplied (KEY board) LCD901 not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-236-267-11 BUTTON (R) 1-694-882-11 CONDUCTIVE BOARD, CONNECTION 3-236-269-01 BUTTON (EQ7) 3-236-438-01 ILLUMINATOR (LCD) 3-037-267-01 SPRING (OPEN)

  • Page 36: Cd Mechanism Section (1)

    CDX-CA730X 4-4. CD MECHANISM SECTION (1) (MG-393XA-121//Q) not supplied supplied not supplied not supplied M903 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-3315-247-B CHASSIS (T.U) ASSY 3-225-784-01 SPRING (RA3), TENSION 3-931-909-01 SPRING (LR), TENSION 3-933-152-03 ROLLER (S)

  • Page 37: Cd Mechanism Section (2)

    CDX-CA730X 4-5. CD MECHANISM SECTION (2) (MG-393XA-121//Q) not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-3378-956-8 ARM ASSY, CHUCKING A-3315-243-D CHASSIS (M) ASSY 3-931-897-61 DAMPER (T) 3-220-180-01 SPRING (TR2), TENSION 3-039-627-01 LEVER (D) 3-931-881-03 LEVER (LOCK)

  • Page 38: Cd Mechanism Section (3)

    CDX-CA730X 4-6. CD MECHANISM SECTION (3) (MG-393XA-121//Q) 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.

  • Page 39: Electrical Parts List

    CDX-CA730X SECTION 5 DISC IN 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 40 CDX-CA730X LIMIT MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R918 1-216-827-11 METAL CHIP 3.3K 1/16W 1-659-835-12 LIMIT BOARD R919 1-216-829-11 METAL CHIP 4.7K 1/16W *********** R920 1-216-029-00 METAL CHIP 1/10W R921 1-216-025-11 RES-CHIP 1/10W <...
  • Page 41 CDX-CA730X MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C287 1-162-964-11 CERAMIC CHIP 0.001uF C756 1-164-505-11 CERAMIC CHIP 2.2uF C288 1-163-251-11 CERAMIC CHIP 100PF C757 1-164-505-11 CERAMIC CHIP 2.2uF C292 1-216-864-11 METAL CHIP 1/16W C781...
  • Page 42 CDX-CA730X Ver 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark IC501 6-801-200-03 IC MN101C49KCY2 R176 1-216-833-11 METAL CHIP 1/16W IC551 6-701-405-01 IC PST3443UL R179 1-216-821-11 METAL CHIP 1/16W IC581 8-759-449-89 IC BA8270F-E2 R180 1-216-813-11 METAL CHIP...
  • Page 43 CDX-CA730X MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R453 1-216-864-11 METAL CHIP 1/16W R584 1-216-809-11 METAL CHIP 1/16W R462 1-216-864-11 METAL CHIP 1/16W R585 1-216-821-11 METAL CHIP 1/16W R464 1-216-864-11 METAL CHIP 1/16W R586...
  • Page 44 CDX-CA730X SERVO MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R753 1-216-841-11 METAL CHIP 1/16W 1-162-970-11 CERAMIC CHIP 0.01uF R754 1-218-867-11 RES-CHIP 6.8K 1/10W 1-162-970-11 CERAMIC CHIP 0.01uF R782 1-216-864-11 METAL CHIP 1/16W 1-162-970-11 CERAMIC CHIP 0.01uF...
  • Page 45 CDX-CA730X SUB (CD) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-659-834-11 SUB BOARD PARTS FOR INSTALLATION AND CONNECTIONS ********** *************************************** < CONNECTOR > X-3381-546-1 FRAME ASSY, FITTING X-3381-154-1 SCREW ASSY (BS4), FITTING 1-770-347-21 CONNECTOR, FPC 6P...
  • Page 46 CDX-CA730X REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2002. 02 2003.

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