Pioneer CDX-M2086ZBM Service Manual
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Pioneer CDX-M2086ZBM Service Manual

Pioneer CDX-M2086ZBM Service Manual

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S
ervice
M anua l
MULTI-COMPACT DISC PLAYER
CDX-M2086
- See the separate manual CX-652(CRT1857) for the CD mechanism description, disassembly and circuit
description.
- The CD mechanism employed in this model is one of C5 series.
VEHICLE
DESTINATION
BMW 7 series WORLD
CONTENTS
1. SAFETY INFORMATION ............................................3
2. EXPLODED VIEWS AND PARTS LIST .......................4
3. SCHEMATIC DIAGRAM ...........................................12
4. PCB CONNECTION DIAGRAM ................................24
5. ELECTRICAL PARTS LIST ........................................30
6. ADJUSTMENT..........................................................33
PIONEER ELECTRONIC CORPORATION
PIONEER ELECTRONICS SERVICE INC.
PIONEER ELECTRONIC [EUROPE] N.V.
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880
C PIONEER ELECTRONIC CORPORATION 1998
BMW
PRODUCED AFTER
1998
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
ZBM
ID No.
BMW PART No. PIONEER MODEL No.
65.12-8 375 537.0 CDX-M2086ZBM/X1HWL
7. GENERAL INFORMATION .......................................40
7.1 IC .........................................................................40
7.2 DIAGNOSIS ........................................................43
7.2.1 DISASSEMBLY .........................................43
7.2.2 TEST MODE ..............................................44
7.2.3 CONNETOR FUNCTION DESCRIPTION..48
7.3 BLOCK DIAGRAM ..............................................49
8. OPERATIONS AND SPECIFICATIONS.....................50
K-ZZU. JULY 1998 Printed in Japan
ORDER NO.
CRT2223
X1HWL

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  • Page 1: Table Of Contents

    P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880 C PIONEER ELECTRONIC CORPORATION 1998 K-ZZU. JULY 1998 Printed in Japan...
  • Page 2 CDX-M2086ZBM - CD Player Service Precautions 2. During disassembly, be sure to turn the power off 1. For pickup unit(Service)(CXX1235) handling, please since an internal IC might be destroyed when a con- refer to"Disassembly"(CX-652 Service Manual nector is plugged or unplugged.

  • Page 3: Safety Information

    CDX-M2086ZBM 1. SAFETY INFORMATION This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual.

  • Page 4: Exploded Views And Parts List

    CDX-M2086ZBM 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKING NOTE: - Parts marked by “*”are generally unavailable because they are not in our Master Spare Parts List. ∇ mark on the product are used for disassembly. - Screws adjacent to - PACKING SECTION PARTS LIST Mark No.
  • Page 5 CDX-M2086ZBM 2.2 EXTERIOR...
  • Page 6 CDX-M2086ZBM - EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BMZ26P040FMC 31 Spring CBH2133 2 Screw BMZ30P040FMC 32 Shaft CLA1949 3 Screw BMZ30P040FZK 33 Shaft CLA2038 4 Screw CBA1353 34 Spring Holder...
  • Page 7 CDX-M2086ZBM 2.3 CD MECHANISM MODULE...
  • Page 8 CDX-M2086ZBM - CD MECHANISM MODULE SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 CD Core Unit CWX2118 46 Holder CNC7065 2 Connector(CN701) CKS1968 47 Frame CNC7070 3 Connector(CN801) CKS3484 48 Cover CNC7074 4 Connector(CN101)
  • Page 9 CDX-M2086ZBM Mark No. Description Part No. 91 Arm Unit CXB1476 92 Motor Unit CXB1847 93 Bracket CNC7067 94 Screw JFZ20P025FNI 95 Plate Unit CXB2262 96 Magazine Holder Unit CXB2287 97 Lever Unit CXB2289 98 Frame Unit CXB2290 99 Chassis Unit...
  • Page 10 CDX-M2086ZBM 2.4 MAGAZINE ASSY - MAGAZINE ASSY SECTION PARTS LIST Mark No. Description Part No. 1 Magazine Assy CXB2843 2 Tray CNV5341...
  • Page 11 CDX-M2086ZBM...

  • Page 12: Schematic Diagram

    CDX-M2086ZBM 3. SCHEMATIC DIAGRAM 3.1 EXTENSION UNIT Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS LIST”.
  • Page 13 CDX-M2086ZBM CTH1129...
  • Page 14 CDX-M2086ZBM 3.2 CD MECHANISM MODULE(GUIDE PAGE) Large size SCH diagram Guide page Detailed page CCP1338 CCW1021 S851,S852:CSN1033...
  • Page 15 CDX-M2086ZBM...
  • Page 16 CDX-M2086ZBM...
  • Page 17 CDX-M2086ZBM B-a C D E...
  • Page 18 CDX-M2086ZBM...
  • Page 19 CDX-M2086ZBM...
  • Page 20 CDX-M2086ZBM Note:1. The encircled numbers denote measuring pointes in the circuit diagram. 2. Reference voltage - Waveforms REFO:2.5V 1 RFO 0.5V/div. 0.5µs/div. 1 CH1: RFO 1V/div. 1 CH1: RFO 1V/div. 0.5ms/div. 0.5ms/div Normal mode: play 2 CH2: MIRR 5V/div. 2 CH2: MIRR 5V/div.
  • Page 21 CDX-M2086ZBM 10 MDYA 0.5V/div. 0.1s/div. 8 CH1: TEY 0.2V/div. 8 CH1: TEY 0.5V/div. 20ms/div. 5ms/div. 9 CH2: TD 0.2V/div. 11 CH2: SD 0.5V/div. Normal mode: Play (12cm) Normal mode: play → REFO → REFO → REFO → → REFO REFO 8 CH1: TEY 1V/div.
  • Page 22 CDX-M2086ZBM 8 CH1: TEY 0.2V/div. 1 CH1: RFO 1V/div. 3 CH1: FD 1V/div. 1ms/div. 0.5ms/div. 0.5ms/div. 9 CH2: TD 0.5V/div. 19 CH2: HOLD 5V/div. 19 CH2: HOLD 5V/div. Normal mode: During AGC Normal mode: The defect part passes Normal mode: The defect part passes 800µm...
  • Page 23 CDX-M2086ZBM...

  • Page 24: Pcb Connection Diagram

    CDX-M2086ZBM 4. PCB CONNECTION DIAGRAM SIDE A EXTENSION PCB 4.1 EXTENSION PCB NOTE FOR PCB DIAGRAMS 1. The parts mounted on this PCB CN703 include all necessary parts for several destination. For further information for respective destinations, be sure to check with the schematic dia- gram.
  • Page 25 CDX-M2086ZBM SIDE B EXTENSION PCB...
  • Page 26 CDX-M2086ZBM 4.2 CD CORE UNIT SIDE A...
  • Page 27 CDX-M2086ZBM SIDE B...
  • Page 28 CDX-M2086ZBM 4.3 PHOTO PCB PHOTO PCB HOME S853 SPINDLE M851 Q851 CARRIAGE M854 CN801 4.4 PCB UNIT PCB UNIT...
  • Page 29 CDX-M2086ZBM 4.5 MOTOR PCB MOTOR PCB 4.7 BUTTON PCB 4.6 SWITCH PCB BUTTON PCB SWITCH PCB CN702...

  • Page 30: Electrical Parts List

    CDX-M2086ZBM 5. ELECTRICAL PARTS LIST NOTE: - 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 31 CDX-M2086ZBM =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CEJA470M6R3 RA4C332J CCSQCH470J50 RS1/16S102J CCSQCH102J50 RS1/16S221J CKSQYB104K50 RA3C221J CCSQCH820J50 RS1/16S102J CKSRYB103K50 RS1/16S103J CKSRYB102K50 RS1/16S103J CKSQYB104K50 RS1/16S103J CKSQYB104K50 RS1/16S103J CKSRYB102K50...
  • Page 32 CDX-M2086ZBM =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- CKSQYB224K16 CCSRCH181J50 CCSRCH181J50 CCSRCH820J50 CCSRCH820J50 CCSRCH820J50 CCSRCH820J50 CKSRYB222K50 CKSRYB222K50 CCSRCH331J50 CCSRCH331J50 CKSQYB104K16 CKSQYB104K16 CKSQYB104K16 CKSQYB104K16 CEV101M10 22µF/6.3V CCH1233 CKSQYB334K16 CEV101M6R3 CKSRYB103K25 CKSQYB104K16 Unit Number : Unit Name : Photo PCB...

  • Page 33: Adjustment

    CDX-M2086ZBM 6. ADJUSTMENT 6.1 CD ADJUSTMENT 1)Precautions • This unit uses a single power supply (+5V) for the • Disc detection during loading and eject operations is regulator. The signal reference potential, therefore, is performed by means of a photo transistor in this connected to REFO(approx.
  • Page 34 CDX-M2086ZBM 6.2 CHECKING THE GRATING - Checking the Grating After Changing the Pickup Unit •Note : Unlike previous CD mechanism modules the grating angle of the pickup unit cannot be adjusted after the pickup unit is changed. The pickup unit in the CD mechanism module is adjusted on the production line to match the CD mechanism module and is thus the best adjusted pickup unit for the CD mechanism module.
  • Page 35 CDX-M2086ZBM Grating waveform Xch 20mV/div, AC Ych 20mV/div, AC...
  • Page 36 CDX-M2086ZBM 6.3 ADJUSTMENT OF ELEVATION WHEN THE CD CORE UNIT HAS BEEN REMOVED FOR MAINTENANCE - Adjustment When Error Code 60 is Displayed Because of Malfunctioning Elevation •Note : Unlike the conventional mechanisms, the new mechanism detects the height of the stage using slide-variable resistance.
  • Page 37 CDX-M2086ZBM Examples of display 4. Press key 9 to set ELV/TRAY mode to TRAY. TRACK FUNCTION 01' 02" 5. Press key FF to release the clamp and return the tray to the magazine. Release the clamp 6. Press key 9 to enter Elevation Move mode.
  • Page 38 CDX-M2086ZBM 12. To see the amount of dislocation, place the mechanism upside-down. VR802 If the stopper bend has been dislocated in the direction of the first CD, turn VR802 to the left(Fig. 2). EREF To lower the stage toward the sixth step by 0.1 mm, reduce the volt- age of EREF (adjusted in step 8) by 20 mV.
  • Page 39 CDX-M2086ZBM Frame stopper Stopper bend of the clamp lever Dislocated toward the first CD. Fig. 9 Fig. 2 Adjust to the graduation of the fourth CD. Fig. 1 Fig. 8 Engaged in the center and pressed downward. Fig. 3 Fig. 10 Dislocated toward the sixth CD.

  • Page 40: General Information

    CDX-M2086ZBM 7. GENERAL INFORMATION 7.1 IC 100.20B BA4560F OUT1 -IN1 OUT2 +IN1 -IN2 +IN2...
  • Page 41 CDX-M2086ZBM BA6997FM - Pin Functions (PD5426A) Pin No. Pin Name Format Function and Operation VDIN Power supply short sensor input 2–5 Not used Control signal distinguishing data from microcomputer xsck LSI clock output LSI data output LSI data input xstb...
  • Page 42 CDX-M2086ZBM Pin No. Pin Name Format Function and Operation I1X3 Motor driver control output Motor driver control output Motor driver control output CDMUTE CD mute output adena AVREF enable output testin Test program mode input VREF A/D converter reference voltage input...

  • Page 43: Diagnosis

    CDX-M2086ZBM 7.2 DIAGNOSIS 7.2.1 DISASSEMBLY - Removing the Upper Case 1.Remove the eight screws and then remove the upper case. - Removing the Extension PCB 1.Remove the two screws. 2. Stretch the claw indicated by arrow and then remove the extension PCB.

  • Page 44: Test Mode

    CDX-M2086ZBM 7.2.2 TEST MODE Before entering the test modes, remove the EXTENSION PCB and connect the jig (GGF1342) as shown below. GGF1342...
  • Page 45 CDX-M2086ZBM - Flow Chart ACC, Back-up ON TRACK FUNCTION SOURCE 00" Display <CD multi player selected> During regulator off, press the 12 TRACK FUNCTION TRACK FUNCTION BAND key and the system will be put into 00" 00" the new test mode.
  • Page 46 CDX-M2086ZBM - New Test Mode(aging operation and setup analysis) The single CD player plays in normal mode. After being set up, it will display FOK (focus), LOCK (spindle), subcode, sound skip, protection against a mechanical error or the like, occurrence of an error, cause and time of an expiry, if any, (and disc number) During the setup, the CD software operation status (internal RAM and C-point)is displayed.
  • Page 47 CDX-M2086ZBM (5) Example of Display. •Protection/Error upon occurrence(8 digits display LCD) •SET UP in progress 8 digits display LCD (a) Error number indicated TNo. ERROR–xx Select the display with the •Operation (PLAY, SEARCH, etc.) in progress perfectly BAND key. identical with that in the normal mode.
  • Page 48 CDX-M2086ZBM 7.2.3 CONNECTOR FUNCTION DESCRIPTION Ground Audio Left- Audio Left+ KBUS BATT Audio Right+ Audio Right- Ground...

  • Page 49: Block Diagram

    CDX-M2086ZBM 7.3 BLOCK DIAGRAM...

  • Page 50: Operations And Specifications

    CDX-M2086ZBM 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATION RESET BUTTON EJECT 8.2 SPECIFICATIONS General System ........Compact disc audio system Usable discs .

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