Pioneer CDX-M1026ZG Service Manual Download Page 9 | Manualshive

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CDX-M1026ZG

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

A

CD CORE UNIT

B

MAIN PCB

D

PCB UNIT

MOTOR PCB

E

PHOTO PCB

C

SWITCH PCB

F

PICKUP UNIT
(SERVICE)

OPEN PCB

H

CLOSE PCB

G

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Summary of Contents for CDX-M1026ZG

Page 1: ...GM CONTENTS 1 SAFETY INFORMATION 3 2 EXPLODED VIEWS AND PARTS LIST 4 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 9 4 PCB CONNECTION DIAGRAM 22 5 ELECTRICAL PARTS LIST 28 6 ADJUSTMENT 31 7 GENERAL INFORMATION 39 7 1 IC 39 7 2 DIAGNOSIS 41 7 2 1 DISASSEMBLY 41 7 2 2 TEST MODE 43 7 2 3 CONNECTOR FUNCTION DESCRIPTION 44 8 OPERATIONS AND SPECIFICATIONS 45 VEHICLE DESTINATION PRODUCED AFTER GM PART No ID No P...

Page 2: ...page 33 since these screws protects the mechanism during transport be sure to affix it when it is transported for repair etc Transportation of multi CD player Seal After removing transport screw cover the hole with the supplied seal Transport screw Attach to original position before transporting the set A transport screw has been attached to the set in order to protect it during transportation Aft...

Page 3: ...and tools and have been trained to properly and safely repair complex products such as those covered by this manual Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty If you are not qualified to perform the repair of this product properly and safely you should not risk trying to do so and refer the repair to a qualified service tec...

Page 4: ...4 CDX M1026ZG 2 EXPLODED VIEWS AND PARTS LIST 2 1 EXTERIOR ...

Page 5: ...g HEG0018 28 CD Mechanism Module CXK4551 29 Extension Unit HWX2034 30 Screw BMZ26P050FMC 31 Plug CN1801 CKS1049 32 Plug CN1802 CKS1050 33 Plug CN1702 CKS1052 34 Connector CN1701 CKS2233 35 Connector CN1102 CKS2398 36 Holder CNC6672 37 Holder CNC6784 38 Screw BPZ20P060FMC 39 Screw BPZ26P080FMC 40 Leaf Spring CBL1286 41 Cord Assy CDE5107 42 Clamper CEF1020 43 Lighting Conductor CNV4720 44 Grille Uni...

Page 6: ...6 CDX M1026ZG 2 2 CD MECHANISM MODULE ...

Page 7: ...ver CNC7975 43 Lever CNC8097 44 Holder CNC6540 45 Cover CNC7452 46 Arm CNC6799 47 Holder CNC6819 48 Holder CNC6827 49 Spacer CNM4879 50 Sheet CNM5118 51 Sheet CNM5020 52 PCB CNP4205 53 Spring CBL1304 54 Screw CBA1387 55 PCB CNP4382 56 PCB CNP4453 57 Bearing CNR1423 58 Belt CNT1053 59 Photo Transistor Q851 PT4800 60 Gear CNV5764 61 Gear CNV4404 62 Gear CNV4406 63 Cover CNV4924 64 Holder CNV4950 65 ...

Page 8: ...97 Arm Unit CXB2276 98 Motor Unit M851 Spindle CXB1395 99 Plate CNC6847 100 Screw JFZ20P025FNI 101 PCB CNP4537 102 Spring CBL1295 103 Holder CNV4761 104 Spring CBH1948 105 Screw M2 2 CBA1250 106 Plate CNC7076 107 Screw M2 2 5 CBA1041 108 Screw JGZ17P022FZK 109 Spring CBL1305 110 Switch S853 854 CSN1012 111 Spacer CBF1070 112 Volume VR801 CCW1021 113 LED D851 CN504 2 114 Switch S851 852 CSN1033 115...

Page 9: ...9 CDX M1026ZG 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3 1 BLOCK DIAGRAM A CD CORE UNIT B MAIN PCB D PCB UNIT MOTOR PCB E PHOTO PCB C SWITCH PCB F PICKUP UNIT SERVICE OPEN PCB H CLOSE PCB G ...

Page 10: ...1142 CXB2056 A C A a D E 3 2 CD MECHANISM MODULE GUIDE PAGE Note When ordering service parts be sure to refer to EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST A a A b A a A a A b A b A b A b A a A a Large size SCH diagram Guide page Detailed page F A E D C F ...

Page 11: ...11 CDX M1026ZG 5 6 7 8 5 6 7 8 D C B A C209 100P R206 510 C302 R22 R301 3R3K MAIN PCB A b A B ...

Page 12: ...12 CDX M1026ZG 1 2 3 4 1 2 3 4 D C B A CCP1175 A a A a A b A ...

Page 13: ...13 CDX M1026ZG 5 6 7 8 5 6 7 8 D C B A CCP1175 CXB1395 CXB1394 CXB1142 CXB2056 A a A a A b C D E F E D C F ...

Page 14: ...14 CDX M1026ZG 1 2 3 4 1 2 3 4 D C B A A b A a A b R206 510 C209 100P ...

Page 15: ...15 CDX M1026ZG 5 6 7 8 5 6 7 D C B A A b A a A b 8 C302 R22 R302 3R3K MAIN PCB B ...

Page 16: ...EY 0 5V div 9 CH2 TD 0 5V div Test mode 32 tracks jump FWD 0 5ms div 8 CH1 TEY 0 5V div 9 CH2 TD 0 5V div Test mode Single jump FWD 0 5ms div 8 CH1 TEY 0 5V div 9 CH2 TD 0 5V div Test mode 100 tracks jump FWD 5ms div 6 CH1 FEY 0 1V div 3 CH2 FD 0 2V div Normal mode Play 20ms div 3 CH1 FD 0 5V div 0 CH2 MDYA 1V div Normal mode Focus close 12cm 0 5s div 3 CH1 FD 0 5V div 0 CH2 MDYA 1V div Normal mod...

Page 17: ... 1V div Test mode Focus close Tracking open 2ms div 8 CH1 TEY 0 5V div 6 CH2 FEY 0 5V div Normal mode AGC after focus 0 2s div 20ms div SCKO 2V div 1µs div Play Dout 2V div 10µs div Play LRCK 2V div 20µs div CH1 R OUT 1V div CH2 L OUT 1V div Normal mode Play 1kHz 0dB 6 CH1 FEY 0 2V div 3 CH2 FD 0 5V div Normal mode During AGC 1ms div 0 2ms div REFO REFO REFO REFO REFO REFO GND REFO REFO REFO REFO ...

Page 18: ... CH2 TD 0 5V div Normal mode During AGC 1 CH1 RFO 1V div CH2 HOLD 5V div Normal mode The defect part passes 800µm 1ms div 0 5ms div 3 CH1 FD 1V div CH2 HOLD 5V div Normal mode The defect part passes 800µm 0 5ms div GND GND REFO REFO REFO ...

Page 19: ...19 CDX M1026ZG ...

Page 20: ...20 CDX M1026ZG 1 2 3 4 1 2 3 4 D C B A B 3 3 EXTENSION UNIT B MAIN PCB A CD CORE UNIT ...

Page 21: ...21 CDX M1026ZG 5 6 7 8 5 6 7 8 D C B A C1106 R047 5R5 4 6V G CLOSE PCB H OPEN PCB G H B EXTENSION UNIT Consists of MAIN PCB CLOSE PCB OPEN PCB 6 7 8 9 10 1 5 2 3 4 CN1102 ...

Page 22: ...ION DIAGRAM 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 gram 2 Viewpoint of PCB diagrams Capacitor Connector P C Board Chip Part SIDE A SIDE B SIDE A ...

Page 23: ...23 CDX M1026ZG D C B A 1 2 3 4 1 2 3 4 A SIDE B MAG CD CORE UNIT A ...

Page 24: ...24 CDX M1026ZG 1 2 3 4 1 2 3 4 D C B A SIDE A B 4 2 MAIN PCB MAIN PCB B CN701 A CN1801 G CN1802 H ...

Page 25: ...25 CDX M1026ZG D C B A 1 2 3 4 1 2 3 4 B SIDE B MAIN PCB B ...

Page 26: ...6ZG 1 2 3 4 1 2 3 4 D C B A E MOTOR PCB E C 4 5 MOTOR PCB D C 4 3 PHOTO PCB 1 5 10 13 1 2 3 M SPINDLE M851 2 1 M CARRIAGE M854 GY YL BL BL Q851 HOME S853 A CN801 F E D PHOTO PCB C PCB UNIT D C 4 4 PCB UNIT SIDE A ...

Page 27: ...27 CDX M1026ZG D C B A 1 2 3 4 1 2 3 4 SWITCH PCB F C 4 6 SWITCH PCB F 4 7 CLOSE PCB 4 8 OPEN PCB CLOSE OPEN IL1801 CLOSE PCB G OPEN PCB H OPEN PCB H SIDE A SIDE B B CN1702 B CN1702 G H ...

Page 28: ...912J R 609 RS1 16S153J R 610 RS1 16S153J R 611 RN1 16SE1502D R 612 RN1 16SE1502D R 613 RN1 16SK5601D R 614 RN1 16SK5601D R 615 RN1 16SK5601D R 616 RN1 16SK5601D R 617 RS1 16S562J R 618 RS1 16S562J R 619 RS1 16S101J R 620 RS1 16S101J R 801 RS1 10S681J R 804 RS1 16S622J R 805 RS1 16S562J R 807 RS1 16S203J CAPACITORS C 101 CEV101M6R3 C 102 CKSQYB104K16 C 103 CEV470M6R3 C 104 CKSQYB334K16 C 105 CCSRCH...

Page 29: ...RA15 02 L 101 Inductor LCTB6R8K3216 L 102 Inductor LCTB6R8K3216 L 1102 Inductor LCTB6R8K3216 L 1701 Inductor LCTB1R0K3216 L 1771 Inductor CTF1418 L 1772 Inductor LCTB1R0K2125 L 1901 Choke Coil 1 4mH CTH1129 X 1701 Radiator 6 290MHz CSS1451 X 1771 Radiator 4 00MHz CSS1320 S 1801 Switch CLOSE CSN1031 S 1802 Switch OPEN CSN1031 IL 1801 Lamp 14V 65mA CEL1350 EF 101 CCG1067 EF 102 CCG1067 EF 1102 CCG10...

Page 30: ...15 CCSQCH561J50 C 1716 CCSQCH561J50 C 1717 CCSQCH561J50 C 1718 CCSQCH561J50 C 1719 CCSQCH561J50 C 1720 CCSQCH561J50 C 1721 CCSQCH561J50 C 1722 CCSQCH561J50 C 1723 CCSQCH101J50 C 1724 CCSQCH101J50 C 1725 CCSQCH101J50 C 1726 CCSQCH101J50 C 1771 CKSQYB104K25 C 1772 CKSQYB104K50 C 1773 CKSQYB104K25 C 1774 CCSQCH471J50 C 1775 CCSQCH101J50 C 1776 CCSQCH561J50 C 1777 CCSQCH561J50 C 1778 CCSQCH561J50 C 19...

Page 31: ...31 CDX M1026ZG 6 ADJUSTMENT 6 1 CONNECTION DIAGRAM CMD BOX CEP 323 DC Regulated Power Supply CDX M1026ZG X1H UC Extension Cable CDN 960 DC 9 16V ...

Page 32: ...D con troller tool CEP 323 Each regulator key should be operated at the unit With the CEP 323 taken up for reference a descrip tion will be given below concerning how to enter into the test mode including key operations The key in the adjustment text is also one of the CEP 323 keys How to enter into the test mode 1 Setup the POWER switch ON and PMM switch RUN of CEP 323 2 DC Regulated Power Supply...

Page 33: ...ickup unit to the innermost track 3 Press key 5 to close focus the display should read 91 Press key 4 to implement the tracking balance adjust ment the display should now read 81 Press key 5 4 times The display will change returning to 81 on the fourth press 4 As shown in the diagram above monitor the LPF outputs using the oscilloscope and check that the phase differ ence is within 75 Refer to the...

Page 34: ...34 CDX M1026ZG Grating waveform 45 0 75 60 30 90 Ech t Xch 20mV div AC Fch t Ych 20mV div AC ...

Page 35: ...djust and confirm whether or not elevation operates correctly Adjustment Method Measuring Equipment Millivoltmeter Measuring Points EREF EPVO Setting Without a magazine in Test mode With the mechanism placed upside down Place the CD mechanism module so that the CD core unit is above Confirmation Procedure 1 Press key 10 enter Test mode then select Multi CD player 2 Press key 3 to enter Mechanism T...

Page 36: ... operation of the mechanism Place the mechanism horizontally CD core unit below Take care not to short cir cuit the PCB 11 Confirm the height of the stage Use the 10 key to select Disc No 10 Check if the stopper bend of the clamp lever is engaged in the groove of the frame stopper Fig 2 3 Note The stopper bend will be pressed downward into the groove for final clamping Confirm the engagement posit...

Page 37: ...e the voltage of EREF adjusted in step 8 by 20 mV 13 Place the mechanism horizontal Go back to step 11 to reconfirm the stage height 14 When adjustment of the stage height is completed proceed as fol lows 15 Open the door and then eject the magazine assy 16 Once operation of the mechanism has stopped turn the power OFF 17 Wait more than one minute after the power is turned off then turn the power ...

Page 38: ...st to the graduation of the R mark NG Stopper bend of the clamp lever Frame stopper OK Engaged in the center and pressed downward NG Dislocated toward the twelfth CD Dislocated toward the seventh CD Fig 1 Fig 2 Fig 3 Fig 4 ...

Page 39: ...al oscillating element connection pin 29 XOUT O Crystal oscillating element connection pin 30 VSS GND 31 DET I O C Watch dog IC interface input output 32 WD1 I O C Watch dog IC interface input output 33 WD2 I O C Watch dog IC interface input output 34 AUDOUT O C Not used 35 MUTEP O C Not used 36 41 NC Not used 42 dlcrst O C Class 2 bus interface output for IC1771 43 dlccs O C Class 2 bus interface...

Page 40: ...onnection input 5 dlcrst I DLCP reset signal input 6 dlccs I DCLP chip select signal input 7 DLCCE I DCLP chip enable signal input 8 DLCA0 I Address select signal input 9 DLCR w I DLCP data transfer control input 10 dlcint O DCLP interrupt request input 11 VDD Digital power supply terminal 12 19 D7 D0 I O Bidirectional three state data bus input output 20 VSSD Digital ground terminal 21 LOAD I Ext...

Page 41: ...Remove the ten screws and then remove the Upper Case Fig 5 Fig 6 Removing the CD Mechanism Module Fig 6 1 Remove the four dampers 2 Remove the two springs 3 Disconnect the connector and then removing the CD Mechanism Module Removing the Grille Assy Fig 6 1 Remove the two screws 2 Press the two tabs indicated by arrows and then pull out the Grille Assy Fig 7 CD Mechanism Module Spring Spring Damper...

Page 42: ... the Torsion Spring which is pressed against the leading edge of the Feed Screw Fig 9 4 Remove the Screw and Pulley Cover Fig 9 5 Remove the Belt and the Pickup Unit with the Feed Screw still attached Fig 9 6 Lift the Tabs of the rack section of Holder and remove the Feed Screw While doing so be careful not to lose the Bearings on the ends of the Feed Screw Fig 9 Fig 8 Fig 9 ...

Page 43: ...pulse drive Display 24ms pulse drive DC drive 8 00 10 72 01 10 72 02 10 72 48ms pulse drive Display 200ms pulse drive DC drive ELV select ELV dowm Disc 12 1 TRAY select TRAY in 9 ELV select ELV up Disc 1 12 TRAY select TRAY out 00 00 00 01 01 01 02 02 02 Display CD multi player selected Focus mode select Auto adjustment display AGC YES Power OFF T jump mode change Display example Power OFF Display...

Page 44: ...44 CDX M1026ZG 7 2 3 CONNECTOR FUNCTION DESCRIPTION 6 7 8 9 10 No 1 2 3 4 5 6 7 8 9 10 1 5 2 3 4 CLASS CLASS L R COMMON DRAIN BATT NC GND NC FUNCTION ...

Page 45: ...tem Negative type Dimensions 261 W 94 H 191 D mm Weight 2 3 kg CD player System Compact disc audio system Usable discs Compact disc Signal format Sampling frequency 44 1 kHz Number of quantization bits 16 linear Signal to noise ratio 75 dB or more Dynamic range 80 dB or more Distortion 0 5 or less Output level 800mV 1500mV Number of channels 2 stereo ...

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