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Pioneer CDS-P4000 Service Manual

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Service
Manual
LEVEL INDICATOR CD PLAYER
CDS-P4000
- This service manual should be used together with the following manual(s):
Model No.
Order No.
CX-977
CRT2624
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................3
4. PCB CONNECTION DIAGRAM ................................20
5. ELECTRICAL PARTS LIST ........................................28
6. ADJUSTMENT..........................................................31
PIONEER CORPORATION
PIONEER ELECTRONICS SERVICE INC.
PIONEER EUROPE NV
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2001
Mech. Module Remarks
S9
CD Mech. Module:Circuit Description, Mech.Description, Disassembly
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
7. GENERAL INFORMATION .......................................35
7.1 DIAGNOSIS ........................................................35
7.1.1 TEST MODE ..............................................35
7.1.2 DISASSEMBLY .........................................39
7.2 PARTS .................................................................45
7.2.1 IC................................................................45
7.2.2 DISPLAY ....................................................51
7.3 OPERATIONAL FLOW CHART ...........................52
8. OPERATIONS AND SPECIFICATIONS.....................53
K-ZZD. MAR. 2001 Printed in Japan
ORDER NO.
CRT2652
UC

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  • Page 1: Table Of Contents

    PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER EUROPE NV Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936 C PIONEER CORPORATION 2001 K-ZZD. MAR. 2001 Printed in Japan...

  • Page 2: Safety Information

    CDS-P4000 - CD Player Service Precautions 2. During disassembly, be sure to turn the power off 1. For pickup unit(CXX1480) handling, please refer since an internal IC might be destroyed when a con- to"Disassembly"(see page 38). nector is plugged or unplugged.

  • Page 3: Exploded Views And Parts List

    CDS-P4000 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKING 1,20,21,22 NOTE: - Parts marked by “*” are generally unavailable because they are not in our Master Spare Parts List. - Screws adjacent to ∇ mark on the product are used for disassembly.
  • Page 4 CDS-P4000 2.3 EXTERIOR...
  • Page 5 CDS-P4000 - EXTERIOR SECTION PARTS LIST Mark No. Description Part No. 1 Screw BSZ26P060FMC 2 Screw BSZ30P060FMC 3 Cable CDE6471 4 Cord Assy CDE6474 5 Cord Assy CDE6475 6 Cap CNS1472 7 Resistor RS1/2PMF102J CD Mechanism Module(S9) CXK5500 9 Case...
  • Page 6 CDS-P4000 2.4 CD MECHANISM MODULE...
  • Page 7 CDS-P4000 - CD MECHANISM MODULE SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Control Unit CWX2481 46 Gear CNV6320 2 Connector(CN701) CKS1959 47 Arm CNV6322 3 Connector(CN101) CKS3486 48 Arm CNV6323 4 Screw BMZ20P025FMC...

  • Page 8: Block Diagram And Schematic Diagram

    CDS-P4000 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM CONTROL UNIT PICKUP UNIT(SERVICE)(P9) CN101 Q101 LASER DIODE RFRPIN L_OUT RF-AMP AC,BD HOLOGRAM IC 101 UNIT SERVO TA2153FN CONTROL, FOCUS ACT. DSP, TRACKING ACT. LPF, DAC MONITOR DIODE TD/FD IC 201...
  • Page 9 CDS-P4000 MAIN UNIT LEVEL INDICATOR CN112-1 IP-BUS OUT SPEAKER INPUT IP-BUS DRIVER IC701 BA3834F IC103 HA12187FP CN104 BUS+ BUS+ IP-BUS IN BUS- BUS- ISOLATOR SELECTOR IC101 4,6,7 TA2050S IC102 Q103 MUTE CN103 CN701 BA3131FS CN105 L-OUT LOUT IC603 Q502 S-80734AN...
  • Page 10 CDS-P4000 3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS LIST”. Large size SCH diagram MAIN UNIT Guide page Detailed page ASENSE KEYBOARD UNIT...
  • Page 11 CDS-P4000 BSENSE FR- SPEAKER INPUT FL- SPEAKER INPUT FUSE 3A > CEK1016 1K (1/2W) LCD BACK LIGHT NOTE : Symbol indicates a resistor. Decimal points for resistor No differentiation is made between chip resistors and and capacitor fixed values discrete resistors.
  • Page 12 CDS-P4000...
  • Page 13 CDS-P4000 A-a B...
  • Page 14 CDS-P4000...
  • Page 15 CDS-P4000 A-a B...
  • Page 16 CDS-P4000 3.3 CD MECHANISM MODULE CONTROL UNIT PICKUP UNIT(SERVICE)(P9) RF AMP CN101 ACT/MOTOR DRIVER SPINDLE M1 CXB6007 LOADING/CARRIAGE M2 CXB5903 5V REGULATOR...
  • Page 17 CDS-P4000 SERVO CONTROL/DSP/DAC/LPF 16.934MHz SWITCHES: CONTROL UNIT S901 : HOME SWITCH..ON-OFF S902 : CLAMP SWITCH..ON-OFF S903 : DSCSNS SWITCH..ON-OFF S904 : 12EJ SWITCH..ON-OFF S905 : 8EJ SWITCH..ON-OFF The underlined indicates the switch position. CN701 CN105...
  • Page 18 CDS-P4000 Note:1. The encircled numbers denote measuring pointes in the circuit diagram. 2. Reference voltage VREF:2.1V - Waveforms 5 CH1:FD 1 CH1:DSCSNS 5V/div. 1 CH1:DSCSNS 5V/div. 500mV/div. 6 CH2:FOK 2 CH2:CLCONT 2 CH2:CLCONT 5V/div. 500ms/div. 5V/div. 5V/div. 500ms/div. 500ms/div. 7 CH3:MD...
  • Page 19 CDS-P4000 5 CH1:FD % CH1:RFO % CH1:RFO 1V/div. 1V/div. 1V/div. 200ms/div. 0 CH2:TE ^ CH2:FOP 0 CH2:TE 500µs/div. 1V/div. 5ms/div. 2V/div. 500mV/div. ! CH3:TD ! CH3:TD 1V/div. 1V/div. With no disk inserted 32 Track Jump During "Focus Close" 1 Track Jump Ref.

  • Page 20: Pcb Connection Diagram

    CDS-P4000 4. PCB CONNECTION DIAGRAM 4.1 MAIN UNIT MAIN UNIT NOTE FOR PCB DIAGRAMS 1. The parts mounted on this PCB include all necessary parts for several destination. For further information for respective destinations, be sure to check with the schematic dia- gram.
  • Page 21 CDS-P4000 SIDE A IP BUS IN FRONT CN901...
  • Page 22 CDS-P4000 MAIN UNIT...
  • Page 23 CDS-P4000 SIDE B...
  • Page 24 CDS-P4000 4.2 KEYBOARD UNIT SIDE A...
  • Page 25 CDS-P4000 SIDE B...
  • Page 26 CDS-P4000 4.3 CD MECHANISM MODULE SIDE A...
  • Page 27 CDS-P4000 SIDE B...

  • Page 28: Electrical Parts List

    CDS-P4000 5. ELECTRICAL PARTS LIST NOTES: - Parts whose parts numbers are omitted are subject to being not supplied. - The part numbers shown below indicate chip components. Chip Resistor RS1/_S___J,RS1/__S___J Chip Capacitor (except for CQS..) CKS.., CCS.., CSZS..=====Circuit Symbol and No.===Part Name Part No.
  • Page 29 CDS-P4000 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S473J Unit Number : CWM7489 RS1/16S473J Unit Name : Keyboard Unit RS1/16S473J RS1/16S0R0J MISCELLANEOUS RS1/16S223J LC7582E RS1/16S104J Transistor 2SC2412K...
  • Page 30 CDS-P4000 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RESISTORS CCSRCK2R0C50 CCSRCH220J50 CKSRYB153K25 RS1/16S222J CKSRYB104K16 RS1/8S120J CKSRYB103K50 RS1/8S100J RS1/16S513J CKSRYB103K50 RS1/16S513J CKSRYB104K16 CKSRYB104K16 RS1/16S823J CKSRYB333K16 RS1/16S823J CKSRYB104K16 RS1/16S823J...

  • Page 31: Adjustment

    CDS-P4000 6.1 CD ADJUSTMENT 1) Precautions 2) Test Mode • This unit uses a single power supply (+5V) for the reg- This mode is used for adjusting the CD mechanism ulator. The signal reference potential, therefore, is module of the device.
  • Page 32 CDS-P4000 - Flow Chart [4]+[6]+Reset [KEY] Test Mode In Contents Display [CD] or [SOURCE] Source On [BAND] RF AMP Power On Power On New Test Mode Gain switching (T. offset is adjusted) (T. offset is not adjusted) [BAND] Tracking Servo...
  • Page 33 CDS-P4000 6.2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT • Note : The grating angle of the PU unit cannot be adjusted after the PU unit is changed. The PU unit in the CD mecha- nism module is adjusted on the production line to match the CD mechanism module and is thus the best adjusted PU unit for the CD mechanism module.
  • Page 34 CDS-P4000 Ech → Xch 20mV/div, AC Grating waveform Fch → Ych 20mV/div, AC 0° 30° 45° 60° 75° 90°...

  • Page 35: General Information

    CDS-P4000 7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 TEST MODE - Error Messages If a CD is not operative or stopped during operation due to an error, the error mode is turned on and cause(s) of the error is indicated with a corresponding number. This arrangement is intended at reducing nonsense calls from the users and also for facilitating trouble analysis and repair work in servicing.
  • Page 36 CDS-P4000 - New Test Mode S-CD plays the same way as before. If an error such as off focus, spindle unlocking, unreadable sub-code, or sound skipping occurs after setup, its cause and time occurred (in absolute time) are displayed. During setup, operational status of the control software is displayed.
  • Page 37 CDS-P4000 (4) Display of Operational Status during Setup Status No. Contents Protective action Focus search start Focus search timeout. Focus search 2 Focus search timeout. Focus search 3 Focus search timeout. Focus search 4 Focus search timeout. Focus search(Setup protection) Focus slips off.
  • Page 38 CDS-P4000 (5) Display Examples 1) During Setup 8-digit display, 6-digit display 4-digit display(Auto setting) 4-digit display(Manual setting) TNO. Min Sec TNO. Min Sec 11 11' 11" 11' 11" 2) During Operation (TOC read, TRK search, Play, FF and REV) The same as in the normal mode.

  • Page 39: Disassembly

    CDS-P4000 7.1.2 DISASSEMBLY Removing the Case (not shown) 1. Remove the screw and then remove the Case. CD Mechanism Module Chassis Unit Removing the CD Mechanism Module Remove the four screws.(Fig.1) The back of CD mechanism module is raised, the con-...
  • Page 40 CDS-P4000 Removing the Main Unit (Fig.3) Remove the screw. Straight the tabs at six locations indicated and then remove the Main Unit.. Main Unit Fig.3...
  • Page 41 CDS-P4000 - How to hold the Mechanical Unit 1. Hold the top and bottom frame. 2. Do not squeeze top frame's front portion too tight, because it is fragile. Do not squeeze. - How to remove the Top and Bottom Frame 1.
  • Page 42 CDS-P4000 - How to remove the Control Unit 1. Give jumper-solder treatment to the Flexible Wire of Jumper-Solder the Pickup unit, then remove the wire from the Connector. Control Unit 2. Remove all 4 points of solder-treatment on the Lead Wire.
  • Page 43 CDS-P4000 - How to remove the Load Carriage Motor Assy 1. Unscrew the screw (1 piece). 2. Remove the Load Carriage Motor Assy. Load Carriage Motor Assy Grease Application - How to remove the Clamp Arm Assy Clamp-Up Lever 1. Unlock springs (3 pieces).

  • Page 44: Connector Function Description44

    CDS-P4000 7.1.3 CONNECTOR FUNCTION DESCRIPTION GRAY/BLACK FR- INPUT WHITE/BLACK FL- INPUT YELLOW BACK UP BLACK WHITE STRIPE ON ORANGE 1. BUS+ IP BUS OUT 2. GND 3. GND 11 10 9 8 4. NC 4 3 2 1 5. BUS- 6.

  • Page 45: Parts

    CDS-P4000 7.2 PARTS 7.2.1 IC - Pin Functions (PE5194A) Pin No. Pin Name Format Function and Operation Not used 3–6 XPI0-3 CD : LSI data input/output CD : LSI chip enable output XPCK CD : LSI clock output 9,10 Not used...
  • Page 46 CDS-P4000 Pin No. Pin Name Format Function and Operation Key data input AVDD Positive power supply terminal for analog circuit AVREF1 A/D converter reference voltage AVSS A/D converter GND IP BUS data input IP BUS data output 87–91 Not used...
  • Page 47 CDS-P4000 - Pin Functions(TA2153FN) Pin No. Pin Name Function and Operation Power supply voltage terminal RFGC RF amplitude adjustment control signal terminal GMAD AGC amplifier frequency characteristic adjustment terminal Main beam amplifier input terminal Main beam amplifier input terminal Sub beam amplifier input terminal...
  • Page 48 CDS-P4000 - Pin Functions(TC9495F2) Pin No. Pin Name Function and Operation TESTO Test mode terminal Replay speed flag output terminal uhso Replay speed flag output terminal EMPH Emphasis flag output terminal for sub code Q data LRCK Channel clock (44.1 kHz) output terminal...
  • Page 49 CDS-P4000 Pin No. Pin Name Function and Operation 58-61 FLGA-D External flag output terminal for internal signal monitor Digital + power supply terminal (5 V) Digital ground terminal RF amplifier gain switching terminal Not used HOME detection switch input terminal...
  • Page 50 CDS-P4000 - Pin Functions(BA5996FM) Pin No. Pin Name Function and Operation Input pin for reference voltage OPIN2(+) Input pin for non-inverting input for CH2 preamplifier OPIN2(-) Input pin for inverting input for CH2 preamplifier OPOUT2 Output pin for CH2 preamplifier...

  • Page 51: Display

    CDS-P4000 7.2.2 DISPLAY - CAW1638 COM2 COM2 COM1 COM1 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 SEG25 SEG26 SEG27 SEG28 SEG29 SEG30 SEG31...

  • Page 52: Operational Flow Chart

    CDS-P4000 7.3 OPERATIONAL FLOW CHART BATT ON VDD=5V Pin 16 bsens Pin 18 bsens=L asens STAND BY Pin 19 asens=L VCC ON SYSPW→H DISC ? SCD ON ? SCD selected VD ON VDCONT→H VDSENS Error massage "A0" Pin 76 1.3V≤VDIN≤2.1V...

  • Page 53: Operations And Specifications

    CDS-P4000 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS Key Finder CD Loading Slot RESET button DISPLAY buttons EJECT button Key Finder Operate CD Player functions with the buttons shown below. Head Unit (e.g. KEH-P6010) 5/∞/2/3 buttons PGM button DISPLAY button FUNCTION button...
  • Page 54 CDS-P4000...
  • Page 55 CDS-P4000...
  • Page 56 CDS-P4000...
  • Page 57 CDS-P4000 8.2 SPECIFICATIONS General CD player Power source ..14.4 V DC (10.8 – 15.1 V allowable) System ........Compact disc audio system Grounding system ........Negative type Usable discs ..........Compact disc Max. current consumption ..........1 A Signal format ....Sampling frequency: 44.1 kHz Backup current ..........

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