Pioneer CDX-P670UC Service Manual
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Pioneer CDX-P670UC Service Manual

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3 7 63 1515 0
Service
Manual
MULTI-COMPACT DISC PLAYER
CDX-P670
CDX-P676
- This service manual should be used together with the following manual(s):
Model No.
CX-892
TE
L 13942296513
CONTENTS
1. SAFETY INFORMATION ............................................3
2. EXPLODED VIEWS AND PARTS LIST .......................4
4. PCB CONNECTION DIAGRAM ................................22
5. ELECTRICAL PARTS LIST ........................................28
6. ADJUSTMENT..........................................................31
www
.
PIONEER CORPORATION
PIONEER ELECTRONICS SERVICE INC.
PIONEER EUROPE NV
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2000
http://www.xiaoyu163.com
Order No.
Mech. Module
CRT2356
C7
x
ao
y
i
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
http://www.xiaoyu163.com
8
CDX-P670/X1N/UC
X1N/UC
Remarks
CD Mech. Module:Circuit Description, Mech. Description, Disassembly
Q Q
3
6 7
1 3
7. GENERAL INFORMATION .......................................38
7.1 DIAGNOSIS ........................................................38
7.1.1 TEST MODE ..............................................38
7.1.2 DISASSEMBLY .........................................44
7.2 IC .........................................................................47
7.3 OPERATIONAL FLOW CHART ...........................49
u163
8. OPERATIONS AND SPECIFICATIONS.....................50
.
2 9
9 4
2 8
X1N/UC,ES
1 5
0 5
8
2 9
9 4
m
co
K-ZZY. NOV. 2000 Printed in Japan
9 9
ORDER NO.
CRT2587
2 8
9 9

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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 2000 K-ZZY. NOV. 2000 Printed in Japan http://www.xiaoyu163.com...
  • Page 2 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 - CD Player Service Precautions 2. During disassembly, be sure to turn the power off since an internal IC might be destroyed when a con- 1. For pickup unit(CXX1285) handling, please refer nector is plugged or unplugged. to"Disassembly"(see page 44).

  • Page 3: Safety Information

    http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 1. SAFETY INFORMATION - CDX-P670/X1N/UC and CDX-P676/X1N/UC CAUTION 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

    http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKING L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 5 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 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 Part No.
  • Page 6 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 2.2 EXTERIOR L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 7 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 (1) EXTERIOR SECTION PARTS LIST Mark No. Description Part No. 1 Screw BMZ26P040FMC 2 Screw BMZ30P040FZK 3 Button CAC6363 4 Screw CBA1460 5 Spring CBH1859 6 Connector CDE5525 7 Connector CDE6478 8 Upper Case CNB2612 9 Arm CNC8058...
  • Page 8 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 2.3 CD MECHANISM MODULE L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 9 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 - CD MECHANISM MODULE SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Connector CDE6069 46 Spacer CNM6428 2 CD Core Unit CWX2487 47 Sheet CNM6296 3 Connector(CN701) CKS1963 48 PCB CNP5227...
  • Page 10 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 Mark No. Description Part No. 91 Screw JGZ17P025FZK 92 Pickup Unit(Service) CXX1285 93 ••••• 94 ••••• 95 Screw IMS26P040FMC 96 Screw JFZ20P025FNI 97 Photo-transistor(Q851) PT4800 CSN1051 Spring Switch(S851,S853) 99 LED(D851) CN504-2 100 Spring Switch(S852) CSN1052 L 13942296513 u163...
  • Page 11 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 2.4 MAGAZINE ASSY L 13942296513 - MAGAZINE ASSY SECTION PARTS LIST Mark No. Description Part No. u163 1 Magazine Assy CXB4027 2 Label CRW1418 3 Tray CNV5341 http://www.xiaoyu163.com...

  • Page 12: Block Diagram And Schematic Diagram

    http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM MECHANISM CD CORE UNIT PICKUP UNIT (SERVICE) (P8) CN101 L_OUT MONITOR DIODE RF AMP, SERVO, DSP, DAC AC/F/E/BD HOLOGRAM IC 201 UNIT UPD63711GC LIMIT CDMUTE xtal Q101...
  • Page 13 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 POWER UNIT CN921 CN701 CN911 LOUT LOUT IP-BUS OUT Q941 Q942 CDMUTE CDMUTE CDMUTE IP-BUS DRIVER BUSP BUSP IC 703 IPIN BUSM BUSM HA12187FP IPOUT ASENB IPPW BATT BSENIN BSENIN bsens IC 704 ASENB ASNB asens...
  • Page 14 http://www.xiaoyu163.com CDX-P670,P676 3.2 CD MECHANISM MODULE 3 7 63 1515 0 Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS LIST”. MECHANISM PICKUP UNIT(SERVICE) CXX1285 RF AMP, SE M854 CXB3004 M851 CXB3003 L 13942296513 SWITCH PCB...
  • Page 15 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 NOTE : Symbol indicates a resistor. Decimal points for resistor No differentiation is made between chip resistors and and capacitor fixed values discrete resistors. are expressed as : ← Symbol indicates a capacitor. ←...
  • Page 16 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 SYSTEM CONTROLLER L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 17 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 L 13942296513 SRAM IP-BUS DRIVER u163 http://www.xiaoyu163.com...
  • Page 18 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 Note:1. The encircled numbers denote measuring pointes in the circuit diagram. 2. Reference voltage REFO:2.5V - Waveforms 1 RFI 1 CH1: RFI 1 CH1: RFI 0.5V/div. 0.5µs/div. 1V/div. 1V/div. 0.5ms/div. 0.5ms/div. 2 CH2: MIRR 2 CH2: MIRR Normal mode: play 5V/div.
  • Page 19 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 8 CH1: TE 8 CH1: TE 0 MD 0.2V/div. 0.5V/div. 0.5V/div. 0.1s/div. 20ms/div. 5ms/div. 9 CH2: TD ! CH2: SD 0.2V/div. 0.5V/div. Normal mode: play TEST mode:100Tracks jump(FWD) Normal mode: Play (12cm) → REFO →...
  • Page 20 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 ( CH1: R OUT 6 CH1: FE 8 CH1: TE 2V/div. 0.2V/div. 0.2V/div. 1ms/div. 1ms/div. 500µs/div. ) CH2: L OUT 3 CH2: FD 9 CH2: TD 2V/div. 0.5V/div. 0.5V/div. Normal mode: Play (1kHz 0dB) Normal mode: During AGC Normal mode: During AGC →...
  • Page 21 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 3.3 POWER UNIT L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 22: Pcb Connection Diagram

    http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 4. PCB CONNECTION DIAGRAM SIDE A 4.1 CD CORE UNIT M852 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 23 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 SIDE B L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 24 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 4.2 POWER UNIT SIDE A POWER UNIT CN701 L 13942296513 IP-BUS CORD u163 http://www.xiaoyu163.com...
  • Page 25 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 SIDE B POWER UNIT L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 26 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 4.3 MECHANISM PCB MECHANISM PCB PICKUP UNIT M851 (SERVICE) SPDL HOME M854 CN101 L 13942296513 4.4 SWITCH PCB SWITCH PCB D851 u163 http://www.xiaoyu163.com...
  • Page 27 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 4.5 MOTOR PCB MOTOR PCB L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 28: Electrical Parts List

    http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 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..
  • Page 29 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/10S221J Unit Number : CWX2512 RS1/10S271J Unit Name : Power Unit RS1/16S562J RS1/16S562J MISCELLANEOUS RS1/16S102J Transistor...
  • Page 30 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- Unit Number : Unit Name : Motor PCB Motor Unit(TRAY) CXB4421 Miscellaneous Parts List Pickup Unit(P8)(Service) CXX1285 Motor Unit(SPINDLE) CXB3003 Motor Unit(ELV) CXB3006 Motor Unit(CARRIAGE) CXB3004 Volume 10kΩ(B)

  • Page 31: Adjustment

    http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 6. ADJUSTMENT 6.1 CD ADJUSTMENT - Precautions • Disc detection during tray extraction and return oper- • This unit uses a single power supply (+5V) for the reg- ations is performed by means of the photo transistor ulator.
  • Page 32 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 6.2 CHECKING THE GRATING - Checking the Grating After Changing the Pickup Unit • Note : 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 33 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 Grating waveform Echt Xch 20mV/div, AC Fcht Ych 20mV/div, AC 0˚ 30˚ 45˚ 60˚ L 13942296513 75˚ 90˚ u163 http://www.xiaoyu163.com...
  • Page 34 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 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 : This mechanisms is detects the height of the stage using slide-variable resistance. To absorb dislocation of the stage height caused by differences in the mechanism and the CD core unit, adjustment must be made for each CD-mechanism module using a variable resistor.
  • Page 35 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 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.
  • Page 36 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 12. To see the amount of dislocation, place the mechanism upside-down. If the stopper bend has been dislocated in the direction of the first CD, turn VR802 to the left(Fig. 2). VR802 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 37 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 Stopper bend of the clamp lever Frame stopper L 13942296513 Dislocated toward the first CD. Fig. 2 Adjust the insertion gate of magazine to the third scale. Fig. 1 Engaged in the center and pressed downward. Fig.

  • Page 38: General Information

    http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 TEST MODE - CD Test mode • The following head units are exceptional so that their This mode is used for adjusting the CD mechanism entering ways to the test mode are different from oth- module of the device.
  • Page 39 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 - Flow Chart Test Mode In Reset SOURCE Sourse CD New test mode BAND Power ON (Adjustment for T.Offset) Power ON RF AMP Gain Select (Not adjustment for T.Offset) 00 00 00 Display 99 99 99 GG GG GG Display...
  • Page 40 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 - 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 41 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 Code Class Displayed error code Description of the code and potential cause(s) Mecha- An error upon Elevation time has time out. nism elevation Mecha- An error with an em- No disc is available. nism pty magazine inserted Remarks: Unreadable TOC does not constitute an error.
  • Page 42 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 Mechanism Test Mode (Example) BAND Back to the test mode Playing the mechanism DOWN Playing the mechanism Mechanism test mode in – TRAY/ELV select – – Operation step select Note: Eject and CD on/off is performed in the same procedure as that for the normal mode. (3) Cause of Error and Error Code Code Class Contents...
  • Page 43 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 Status No. Contents Protective action Focus search preprocessing is in None progress while focus recovery is turned on. Wait time after focus close is set up. Off focus. Standing by after focus close is over. Off focus.

  • Page 44: Disassembly

    http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 7.1.2 DISASSEMBLY Removing the Upper Case (not shown) 1. Remove the nine screws. 2. Remove the Upper Case. CD Mechanism Module Removing the CD Mechanism Module (Fig.5) Remove the four dampers. Remove the two springs. Disconnect the connector and then remove the CD Mechanism Module.
  • Page 45 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 Door(A) 2. The slide is done in the direction of arrow5 and remove the Door(B) while spread out the Door(A) in the Door(B) direction of arrow4. (Fig.8) *) The illustration of the text for 12-Disc type but disas- sembling method is the same for 6-Disc type.

  • Page 46: Connector Function Description46

    http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 7.1.3 CONNECTOR FUNCTION DESCRIPTION IP-BUS POWER SUPPLY 8 9 10 11 1 2 3 4 1.GND 7.LCH 1.BUS+ L 13942296513 2.ACC 8.ASENB 2.GND 3.BATT 9.RCH 3.GND 10.SGNDR 4.NC 11.SGNDL 5.BUS- 6.GND u163 http://www.xiaoyu163.com...
  • Page 47 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 7.2. IC - Pin Functions (PD5638A) Pin No. Pin Name Format Function and Operation Not used adena A/D reference voltage output TXTSTB TEXT parameter output TXTSO TEXT control parameter serial output TXTSI TEXT data serial input TXTSCK TEXT clock output BYTE...
  • Page 48 http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 Pin No. Pin Name Format Function and Operation 65–68 A6-A3 SRAM address bus output SRAM address bus output A2 & (EPSK) SRAM address bus output and (E2PROM clock output) A1 & (EPDI) SRAM address bus output and (E2PROM data input) A0 &...

  • Page 49: Operational Flow Chart

    http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 7.3 OPERATIONAL FLOW CHART BATT ON VDD=5V Pin16 bsens Pin18 bsens=L POWER←H Pin10 adena←L Pin3 VD IN Error message "A0" Pin96 1.3V VD IN 2.1V L 13942296513 POWER←L Pin75 Stand-by mag=L DISC Search POWER←L Pin10 asens Pin19...

  • Page 50: Operations And Specifications

    http://www.xiaoyu163.com CDX-P670,P676 3 7 63 1515 0 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS Connecting the Units IP-BUS cable To prevent incorrect connection, the input side of the IP-BUS connector is colored in blue, and the output side in black. Connect the connectors of the same colors correctly.

This manual is also suitable for:

Cdx-p670x1nCdx-p670Cdx-p670esCdx-p676Cdx-p676x1nCdx-p676uc

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