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Pioneer CDX-FM1259 Service Manual

Universal multi-cd system
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Service
Manual
UNIVERSAL MULTI-CD SYSTEM
CDX-FM1259
CDX-FM1257
- See the separate manual CX-938(CRT2357) for the CD mechanism description, disassembly and circuit
description.
- The CD mechanism employed in this model is one of C8 series.
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................3
3. SCHEMATIC DIAGRAM ...........................................12
4. PCB CONNECTION DIAGRAM ................................24
5. ELECTRICAL PARTS LIST ........................................32
6. ADJUSTMENT..........................................................36
PIONEER ELECTRONIC CORPORATION
PIONEER ELECTRONICS SERVICE INC.
PIONEER ELECTRONIC [EUROPE] N.V.
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER ELECTRONIC CORPORATION 1999
CDX-FM1259/X1N/UC
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
X1N/UC,ES
7. GENERAL INFORMATION .......................................43
7.1 PARTS .................................................................43
7.1.1 IC................................................................43
7.1.2 DISPLAY ....................................................49
7.2 DIAGNOSIS ........................................................50
7.2.1 DISASSEMBLY .........................................50
7.2.2 TEST MODE ..............................................52
7.3 BLOCK DIAGRAM ..............................................58
8. OPERATIONS AND SPECIFICATIONS.....................60
K-ZZY. FEB. 1999 Printed in Japan
ORDER NO.
CRT2320
X1N/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 ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936 C PIONEER ELECTRONIC CORPORATION 1999 K-ZZY. FEB. 1999 Printed in Japan...

  • Page 2: Safety Information

    1. SAFETY INFORMATION 1.1 CDX-FM1259/X1N/UC,CDX-FM1257/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 3: Exploded Views And Parts List

    CDX-FM1259,FM1257 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKING...
  • Page 4 CDX-FM1259,FM1257 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. Mark No. Description...
  • Page 5 CDX-FM1259,FM1257 Part No. Mark No. Description CDX-FM1259/X1N/UC CDX-FM1257/X1N/UC CDX-FM1257/X1N/ES 38 ••••• 39 ••••• 40 Caution Card CRP1090 CRP1090 CRP1090 41 Caution Card CRP1196 CRP1196 CRP1196 42 Air Cushioned Bag CEG1055 CEG1055 CEG1055 43 Cover CEG1062 CEG1062 CEG1062 - Owner’s Manual Model Part No.
  • Page 6 CDX-FM1259,FM1257 2.2 EXTERIOR...
  • Page 7 IMS30P050FZK 34 Holder CNC8060 69 Caution Card CRP1196 35 Holder CNC8069 (2) CONTRAST TABLE CDX-FM1259/X1N/UC, CDX-FM1257/X1N/UC and CDX-FM1257/X1N/ES are constructed the same except for the following: Part No. Mark No. Symbol and Description CDX-FM1259/X1N/UC CDX-FM1257/X1N/UC CDX-FM1257/X1N/ES 36 Display Assy CXB3242...
  • Page 8 CDX-FM1259,FM1257 2.3 CD MECHANISM MODULE...
  • Page 9 CDX-FM1259,FM1257 (1) CD MECHANISM MODULE SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Connector CDE6069 46 Plate CNC8375 2 CD Core Unit(C8) 47 Cover CNC8434 See Contrast table(2) 48 Sheet CNM6009 3 Connector(CN701) CKS1963...
  • Page 10 PT4800 CSN1051 Spring Switch(S851,S853) 103 LED(D851) CN504-2 104 Spring Switch(S852) CSN1052 (2) CONTRAST TABLE CDX-FM1259/X1N/UC, CDX-FM1257/X1N/UC and CDX-FM1257/X1N/ES are constructed the same except for the following: Part No. Mark No. Symbol and Description CDX-FM1259/X1N/UC CDX-FM1257/X1N/UC CDX-FM1257/X1N/ES 2 CD Core Unit(C8)
  • Page 11 CDX-FM1259,FM1257 2.4 MAGAZINE ASSY - MAGAZINE ASSY SECTION PARTS LIST Mark No. Description Part No. 1 Magazine Assy CXB4028 2 Tray CNV5341 3 Label CRW1396...

  • Page 12: Schematic Diagram

    CDX-FM1259,FM1257 3. SCHEMATIC DIAGRAM 3.1 OVERALL CONNECTION DIAGRAM Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS LIST”. PICKUP UNIT(SERVICE) MECHANISM CXX1285 RF-A M854 CXB3004 M851 CXB3003 CSN1051 PT4800 SWITCH PCB...
  • Page 13 CDX-FM1259,FM1257 CD CORE UNIT CDX-FM1259/X1N/UC RF-AMP,SERVO, DSP,DAC CDX-FM1257/X1N/UC,ES 19 20 DRIVER MOTOR DRIVER A1/2...
  • Page 14 CDX-FM1259,FM1257 LOUT AAGND ROUT SYSTEM CONTROLLER...
  • Page 15 CDX-FM1259,FM1257 SRAM CN201 GGC1257 (SRM2B256SLTMX70) IP-BUS DRIVER A2/2...
  • Page 16 CDX-FM1259,FM1257 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 17 CDX-FM1259,FM1257 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 → REFO → REFO →...
  • Page 18 CDX-FM1259,FM1257 ( CH1: R OUT 6 CH1: FE 8 CH1: TE 2V/div. 0.2V/div. 0.2V/div. 500µs/div. 1ms/div. 1ms/div. ) CH2: L OUT 9 CH2: TD 3 CH2: FD 2V/div. 0.5V/div. 0.5V/div. Normal mode: Play (1kHz 0dB) Normal mode: During AGC Normal mode: During AGC →...
  • Page 19 CDX-FM1259,FM1257...
  • Page 20 CDX-FM1259,FM1257 3.2 EXTENSION UNIT 19kHz ADD ON MODE CN701 38KHz 7.2MHz LOOP FILTER 6V REG. 3V REG. 5V REG. VD REGULATOR...
  • Page 21 CDX-FM1259,FM1257 MPX AMP PILOT BUFFER AMP CN501 CN901 FUSE 2A CEK1018 1K(1/2W) EXTENSION UNIT...
  • Page 22 CDX-FM1259,FM1257 3.3 ANTENNA SELECT UNIT...
  • Page 23 CDX-FM1259,FM1257 3.4 DISPLAY ASSY...

  • Page 24: Pcb Connection Diagram

    CDX-FM1259,FM1257 4. PCB CONNECTION DIAGRAM SIDE A M852 4.1 CD CORE 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-...
  • Page 25 CDX-FM1259,FM1257 2. Viewpoint of PCB diagrams SIDE B Capacitor Connector SIDE A SIDE B Chip Part P.C.Board...
  • Page 26 CDX-FM1259,FM1257 4.2 EXTENSION UNIT SIDE A CN701 EXTENSION UNIT CORD CN901 CN501 IP-BUS...
  • Page 27 CDX-FM1259,FM1257 SIDE B EXTENSION UNIT...
  • Page 28 CDX-FM1259,FM1257 4.3 MECHANISM PCB MECHANISM PCB PICKUP UNIT M851 (SERVICE) SPDL HOME M854 CN101 4.4 SWITCH PCB SWITCH PCB D851...
  • Page 29 CDX-FM1259,FM1257 4.5 MOTOR PCB MOTOR PCB 4.6 ANTENNA SELECT UNIT ANTENNA SELECT UNIT CN401 TUNER ANTENNA...
  • Page 30 CDX-FM1259,FM1257 4.7 DISPLAY ASSY SIDE A...
  • Page 31 CDX-FM1259,FM1257 SIDE B...

  • Page 32: Electrical Parts List

    CDX-FM1259,FM1257 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 33 CKSQYB104K16 0.22F/5.5V CCL1037 CAPACITORS CKSQYB334K16 CEAL330M6R3 CKSQYB334K16 CEAL330M6R3 CEJA221M6R3 CKSRYB103K50 CEJA101M10 CKSRYB103K50 CEAS331M6R3 CKSRYB392K50 CKSRYB103K50 CKSRYB392K50 Unit Number : CWX2276(CDX-FM1259/X1N/UC) CKSRYB332K50 CWX2275(CDX-FM1257/X1N/UC,ES) CKSRYB332K50 Unit Name : CD Core Unit CEAL1R0M50 CEAL1R0M50 MISCELLANEOUS CKSRYB102K50 UPD63710GC CKSRYB102K50 BA05FP CKSRYB102K50 BA5986FM CKSRYB102K50 LB1836M...
  • Page 34 CDX-FM1259,FM1257 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S681J RESISTORS RS1/16S104J RS1/16S222J RS1/8S120J RS1/16S222J RS1/8S100J RS1/16S681J RS1/16S222J RS1/16S104J RS1/16S222J (CDX-FM1257/X1N/UC,ES) RS1/16S0R0J RS1/16S104J RS1/16S513J RS1/16S103J RS1/16S473J RS1/16S393J RS1/16S473J...
  • Page 35 Photo-transistor PT4800 CKSRYB103K25 Spring Switch(HOME) CSN1051 CKSRYB103K25 CKSQYB104K25 Unit Number : CKSRYB103K25 Unit Name : Switch PCB Unit Number : CXB3242(CDX-FM1259/X1N/UC) CN504-2 CXB3241(CDX-FM1257/X1N/UC,ES) Spring Switch(DSP) CSN1051 Unit Name : Display Assy Spring Switch(TAP) CSN1052 MISCELLANEOUS Unit Number : Unit Name...

  • Page 36: Adjustment

    CDX-FM1259,FM1257 6. ADJUSTMENT 6.1 MODULATOR ADJUSTMENT - Connection Diagram Antenna Antenna Jack Plug Linear Detector (Spectrum Analyzer) ANTENNA SELECT ANTENNA OUT UNIT FM Tuner DC V Meter VR302 Oscilloscope VR301 CN401 L402 CN801 CN201 CN803 CN802 EXTENSION UNIT BACK UP...
  • Page 37 CDX-FM1259,FM1257 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 38 CDX-FM1259,FM1257 Grating waveform Echt Xch 20mV/div, AC Fcht Ych 20mV/div, AC 0˚ 30˚ 45˚ 60˚ 75˚ 90˚...
  • Page 39 CDX-FM1259,FM1257 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.
  • Page 40 CDX-FM1259,FM1257 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 41 CDX-FM1259,FM1257 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 VR802 CD, turn VR802 to the left(Fig. 2). EREF To lower the stage toward the twelfth step by 0.1 mm, reduce the voltage of EREF (adjusted in step 8) by 10 mV.
  • Page 42 CDX-FM1259,FM1257 Stopper bend of the clamp lever Frame stopper Dislocated toward the first CD. Fig. 2 Adjust the insertion gate of magazine to the sixth scale. Fig. 1 Engaged in the center and pressed downward. Fig. 3 Dislocated toward the twelfth CD.

  • Page 43: General Information

    CDX-FM1259,FM1257 7. GENERAL INFORMATION 7.1 PARTS 7.1.1 IC - Pin Functions (UPD63710GC) Pin No. Pin Name Function and Operation Logic circuit GND HOLD Defect detection output MIRR MIRR output RFOK signal output Reset signal input Command/parameter identification signal input Data strobe signal input...
  • Page 44 CDX-FM1259,FM1257 Pin No. Pin Name Function and Operation PACK CD-TEXT PACK synchronous signal CD-TEXT data serial output CD-TEXT control parameter serial input tsck CD-TEXT serial clock input TSTB CD-TEXT parameter strobe signal input Logic circuit GND TEST Test pin ATEST...
  • Page 45 CDX-FM1259,FM1257 *UPD63710GC IC's marked by* are MOS type. Be careful in handling them because they are very liable to be damaged by electrostatic induction. BA05FP Reference voltage BA5986FM Mute Level shift Level shift Level shift Level shift Stand-by...
  • Page 46 CDX-FM1259,FM1257 - Pin Functions (PD5513A) Pin No. Pin Name Format Function and Operation PLDT PLL data output PLCK PLL clock output adena A/D reference voltage output TXTSTB TEXT parameter output TXTSO TEXT control parameter serial output TXTSI TEXT data serial input...
  • Page 47 CDX-FM1259,FM1257 Pin No. Pin Name Format Function and Operation SRAM address bus output 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 48 CDX-FM1259,FM1257 - Pin Functions (PD6294A) *PD6294A Pin No. Pin Name Function and Operation Crystal oscillator connection pin Crystal oscillator connection pin System reset MODE1,0 GRN/amb GREEN/AMBER select output UART output UART output remin Remote control signal input RVER Not used Not used 13–16...

  • Page 49: Display

    CDX-FM1259,FM1257 7.1.2 DISPLAY - CAW1514...

  • Page 50: Diagnosis

    CDX-FM1259,FM1257 7.2 DIAGNOSIS 7.2.1 DISASSEMBLY CD Mechanism Module Removing the Upper Case(not shown) 1. Remove the night screws. 2. Remove the Upper Case. Removing the CD Mechanism Module Remove the four dampers(Fig.5). Disconnect the connector(Fig.5). Remove the two springs(Fig.5). Fig.5 Disconnect the connector and then remove the CD Mechanism Module(Fig.6).
  • Page 51 CDX-FM1259,FM1257 - Removing the Pickup Unit 1. Insert the short pin from the pickup unit in the flexible substrate. 2. Remove the flexible substrate from the connector. 3. Remove the flexible card from the connector. 4. Remove the lead wires to which the spindle motor and carriage motor assy were soldered.

  • Page 52: Test Mode

    CDX-FM1259,FM1257 7.2.2 TEST MODE - CD Test Mode 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 53 CDX-FM1259,FM1257 - 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...
  • Page 54 CDX-FM1259,FM1257 - 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 55 CDX-FM1259,FM1257 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. An intended operation continues in this case.
  • Page 56 CDX-FM1259,FM1257 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.
  • Page 57 CDX-FM1259,FM1257 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. Setup (1/2) before T balance adjustment is started.

  • Page 58: Block Diagram

    CDX-FM1259,FM1257 7.3 BLOCK DIAGRAM...
  • Page 59 CDX-FM1259,FM1257...

  • Page 60: Operations And Specifications

    CDX-FM1259,FM1257 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS Start the CD player 1. Switch the radio on and tune to Modulating Frequencies. • The initial value is 89.1 MHz. • If your radio does not have muting, there may be some noise before power switch of control unit is ON.
  • Page 61 CDX-FM1259,FM1257...
  • Page 62 CDX-FM1259,FM1257 8.2 SPECIFICATIONS CD Player unit Display unit System ... Compact disc audio system Weight ........78 g (0.1 lbs) Usable discs ......Compact Disc Dimensions .....100 (W) × 37 (H) × 18 (D) mm Signal format [3-15/16 (W) × 1-7/16 (H) × 5/8 (D) in] ....

This manual is also suitable for:

Cdx-fm1257Cdx-fm1259-x1n/ucCdx-fm1257-x1n/uc,es

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