Pioneer CDX-M8027ZT/E Service Manual Download Page 66

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CDX-M8127ZT/WL

*PD5765B

IC's marked by * are MOS type.

Be careful in handling them because they are very

liable to be damaged by electrostatic induction.

7.3 EXPLANATION

7.3.1 SYSTEM BLOCK DIAGRAM

L/R

VC-LAN

RGB

L/R

AMPLIFIER

PIONEER or

OTHER MAKERS

SPEAKER

1DIN

HEAD UNIT

AVC-LAN

+B, ACC

AVC-LAN

CD-CH

EMV

OTHER MAKERS

NAVI

ECU

OTHER MAKERS

AVC-LAN

CDX-M8127ZT/WL
CDX-M8027ZT/E

Summary of Contents for CDX-M8027ZT/E

Page 1: ...TER TOYOTA PART No ID No PIONEER MODEL No LEXUS GX470 U S A CANADA November 2002 86270 60070 CDX M8027ZT E LAND CRUISER Any country or September 2002 86270 60070 CDX M8027ZT E PRADO area except for Japan LAND CRUISER UNITED KINGDOM September 2002 86270 60080 CDX M8127ZT WL PRADO AUSTRALIA NEW ZEALAND SOUTH AFRICA GX470 Service Manual ...

Page 2: ...ASSEM BLY on page 61 3 After replacing the pickup unit be sure to check the grating See page 46 4 The door units CXB8261 and CXB8262 have been engaged each other tightly When you have to replace the door unit CXB8261 or CXB8262 remove both door units from the Grille to replace them at the same time For details refer to Important symbols for good services CDX M8127ZT WL CDX M8027ZT E This service m...

Page 3: ... radiation fields to which human access is possible during service Wavelength 785 nanometers Radiant power 69 7 microwatts Through a circular aperture stop having a diameter of 80 millimeters 0 55 microwatts Through a circular aperture stop having a diameter of 7 millimeters SAFETY INFORMATION This service manual is intended for qualified service technicians it is not meant for the casual do it yo...

Page 4: ...t By following the instructions in this manual be sure to apply the prescribed grease or glue to proper portions by the appropriate amount For replacement parts or tools the prescribed ones should be used 4 Shipping mode and shipping screws To protect the product from damages or failures that may be caused during transit the shipping mode should be set or the shipping screws should be installed be...

Page 5: ...ncluding the brackets 248 2 W x 66 0 H x 164 5 D mm Weight CDX M8127ZT WL 2 09 kg CDX M8027ZT E 2 05 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 85 dB or more Dynamic range 80 dB or more Distortion 0 04 or less Separation 65 dB or more Number of channels 2 stereo ...

Page 6: ...6 1 2 3 4 1 2 3 4 F E D C B A CDX M8127ZT WL 2 EXPLODED VIEWS AND PARTS LIST 2 1 EXTERIOR CDX M8127ZT WL ...

Page 7: ...01 CKS2233 30 Holder CNC9727 31 Screw BPZ26P080FMC 32 Shield CNC9734 33 Grille CNS6861 34 Panel CNS6862 35 Switch Unit CWM8564 36 Connector CN962 CKS2191 37 Connector CN961 CKS3124 38 Door Unit CXB8261 39 Door Unit CXB8262 40 Screw IMS26P040FMC 41 Case Unit CXB8348 42 Chassis Unit CXB9987 43 CD Mechanism Module C5 CXK4457 44 Screw IMS20P035FZK 45 Screw IMS26P040FMC 46 Screw IMS30P040FMC 47 IC IC92...

Page 8: ...8 1 2 3 4 1 2 3 4 F E D C B A CDX M8127ZT WL 2 2 EXTERIOR CDX M8027ZT E ...

Page 9: ...23 Clamper CEF1008 24 Terminal CN991 CKF1064 25 Terminal CN992 CKF1064 26 Plug CN901 CKS 789 27 Plug CN951 CKS1037 28 Plug CN902 CKS1237 29 Connector CN801 CKS2233 30 Holder CNC9727 31 Screw BPZ26P080FMC 32 Shield CNC9734 33 Grille CNS6861 34 Panel CNS6862 35 Switch Unit CWM8564 36 Connector CN962 CKS2191 37 Connector CN961 CKS3124 38 Door Unit CXB8261 39 Door Unit CXB8262 40 Screw IMS26P040FMC 41...

Page 10: ... 90 25 48 81 72 85 77 30 110 21 71 99 60 70 26 38 84 76 11 76 61 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 90 35 90 20 12 22 63 77 102 105 104 103 40 51 87 82 106 23 65 32 66 6 6 6 6 88 59 34 56 55 58 19 18 17 39 86 29 80 75 16 79 78 5 5 1 2 7 4 69 94 59 25 25 100 109 109 108 107 107 107 101 108 107 107 109 107 109 1 2 2 1 1 1 1 2 2 1 1 1 2 2 2 2 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 GEM1024 GEM1013 GEM1029 1 1...

Page 11: ...9 Guide CNV4597 60 Arm CNV6158 61 Motor Unit M851 CXB2187 62 Screw M2x2 5 CBA1085 63 Motor Unit CXB1394 64 Chassis Unit CXB3530 65 Bracket Unit CXB4008 66 Chassis Unit CXB7113 67 Plate Unit CXB2262 68 Motor Unit M853 CXB5747 69 Damper Unit CXA7714 70 Lever Unit CXA9141 71 Magazine Holder Unit CXB7201 72 Frame Unit CXB2265 73 Frame CNC9375 74 Holder CNV5176 75 Lever Unit CXB2266 76 Screw JGZ17P025F...

Page 12: ...M2068MD X201 16 93MHZ 10 11 XTAL XTAL L 19 2 IC 201 UPD63702AGF DIGITAL SERVO PROCESSOR RF AMP AUTO POWER CONTROL 16 IC 101 UPC2572GS CN101 CD CORE UNIT 17 Q102 Q101 FOP TOP ACTUATOR AND MOTOR DRIVER 16 26 1 2 13 14 IC 301 BA6997FM MUTE 9 HOME SOP SOM COP COM DISC PGND VD MSW V5 5V 3 REGULATOR VD 1 IC 701 PQ05DZ51 2 S803 MAG MAG IN MAG MOTOR DRIVER M852 ELV MOTOR VR801 EPVO 6 15 4 2 7 8 12 13 11 9...

Page 13: ...WER EJECT SW VBU14 IC921 BA00AST VD VD 8 6V 6 6V REGULATOR 69 80 XOUT XIN POWER EJSW ANSW SYSTEM CONTROLLER IC 701 PD5765B TEMP ADENA ELVPVO ELVREF VREF I4 I2 I1 I3 MAG MSW DISK CONT CDCNT CDMUTE IEIN IEOUT IEPW ASENS BSENS RESET 68 62 3 4 5 14 15 25 Q833 CD MUTE D V Q852 7 CN801 CN701 4 3 2 1 2 CN902 ASENB 24 1 IC 602 NJM2068MD 2 EXTENSION UNIT E IC801 NJM2068V 1 2 2 3 Q702 SWVDD 2 1 4 IC802 NJM2...

Page 14: ...ZT WL BA6997FM A CL200FGCTU B C D PICKUP UNIT SERVICE CD CORE UNIT PCB UNIT PHOTO PCB MOTOR PCB 3 2 OVERALL CONNECTION DIAGRAM Note When ordering service parts be sure to refer to EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST A B C D ...

Page 15: ... for resistor and capacitor fixed values are expressed as 2 2 2R2 0 022 R022 Symbol indicates a resistor No differentiation is made between chip resistors and discrete resistors NOTE Symbol indicates a capacitor No differentiation is made between chip capacitors and discrete capacitors EXTENSION UNIT A ...

Page 16: ...ms div REFO 8 CH1 TEY 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 MDY...

Page 17: ... div CH2 TEC 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 close 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 RE...

Page 18: ... TEY 0 2V div 9 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 5 6 7 8 F E D C B A 5 6 7 8 CDX M8127ZT WL ...

Page 20: ...1 2 3 4 1 2 3 4 F E D C B A CDX M8127ZT WL 6 290MHz C961 R047 UDZS18 B D961 SYSTEM CONTROL UNB VD REGULATOR 8 6V 6 6V A CN701 F SWITCH1 PCB G SWITCH2 PCB CLOSE OPEN 3 3 EXTENSION UNIT AND SWITCH UNIT E G F ...

Page 21: ...TX2 TX2 GND TXM TXM ACC B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 16 17 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 3 10 2 9 5 12 4 11 1 8 19 22 23 20 17 18 29 21 UNBAL BAL CONVERTER ANALOG SWITCH SYSTEM MUTE AUDIO 4 4V AUDIO 8 5V HARD MUTE AVC LAN BUS DRIVER VDD 5V SENSE RESET ASENSE BSENSE E EXTENSION UNIT SWITCH UNIT Consists of SWITCH1 PCB SWITCH2 PCB E ...

Page 22: ...M 4 1 CD CORE UNIT A Capacitor Connector P C Board Chip Part SIDE A SIDE B 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 SIDE A A ...

Page 23: ...23 5 6 7 8 F E D C B A 5 6 7 8 CDX M8127ZTWL MAG EJECT CD CORE UNIT A SIDE B A ...

Page 24: ...24 1 2 3 4 1 2 3 4 F E D C B A CDX M8127ZT WL E EXTENSION UNIT SIDE A A CN701 G CN962 F CN961 CORD ASSY 4 2 EXTENSION UNIT E ...

Page 25: ...25 5 6 7 8 F E D C B A 5 6 7 8 CDX M8127ZTWL E EXTENSION UNIT SIDE B E ...

Page 26: ... 1 2 3 4 F E D C B A CDX M8127ZT WL 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 C D PHOTO PCB B B PCB UNIT C 4 4 PCB UNIT 4 5 MOTOR PCB B MOTOR PCB D B C D ...

Page 27: ...27 5 6 7 8 F E D C B A 5 6 7 8 CDX M8127ZTWL F SWITCH1 PCB SIDE A SIDE B F SWITCH1 PCB G SWITCH2 PCB SIDE A SIDE B G SWITCH2 PCB CLOSE OPEN E CN951 E CN951 4 6 SWITCH1 PCB 4 7 SWITCH2 PCB F G ...

Page 28: ...104J R 202 RS1 16S104J R 203 RS1 16S102J R 504 RS1 16S102J R 505 RS1 16S221J R 506 RAB4C221J R 507 RS1 16S102J R 508 RAB4C332J R 509 RS1 16S221J R 601 RS1 16S103J R 602 RS1 16S103J R 603 RS1 16S103J R 604 RS1 16S103J R 605 RS1 16S912J R 606 RS1 16S912J R 607 RS1 16S912J R 608 RS1 16S912J R 609 RS1 16S153J R 610 RS1 16S153J R 611 RN1 16SE1502D R 612 RN1 16SE1502D R 613 RN1 16SK5601D R 614 RN1 16SK5...

Page 29: ...de UDZS18 B D 803 Diode UDZS18 B D 804 Diode UDZS18 B D 831 Diode MA142WA D 832 Diode UDZS16 B D 833 Diode UDZS18 B D 841 Diode HZU8R2 B1 D 842 Diode 1SS355 D 843 Diode HZU4LL C D 901 Diode GP30ML D 902 Diode ERA15 02VH D 903 Diode UDZS18 B L 701 Inductor LCTA4R7J2520 L 901 Choke Coil 1 4mH CTH1129 TH 701 Thermistor CCX1032 X 701 Ceramic Resonator 6 290MHz CSS1305 RESISTORS R 601 RS1 16S220J R 602...

Page 30: ...Q4R7M35 C 804 CEJQ4R7M35 C 805 CCSRCH151J50 C 806 CCSRCH151J50 C 807 CCSRCH470J50 C 808 CCSRCH470J50 C 809 CKSRYB104K25 C 810 CKSRYB104K25 C 811 CKSRYB472K50 C 812 CKSRYB472K50 C 813 CKSRYB472K50 C 814 CKSRYB472K50 C 815 CKSRYB102K50 C 816 CKSRYB102K50 C 817 CKSRYB102K50 C 818 CKSRYB102K50 C 819 CEJQNP4R7M16 C 820 CEJQNP4R7M16 C 821 CEJQNP4R7M16 C 822 CEJQNP4R7M16 C 823 CKSRYB102K50 C 824 CKSRYB10...

Page 31: ...1033 S 962 Spring Switch OPEN CSN1033 CAPACITORS C 961 CKSRYB473K50 Miscellaneous Parts List D 851 LED CN504 2 M 851 Motor Unit SPINDLE CXB2187 M 852 Motor Unit ELV CXB3931 M 854 Motor Unit CARRIAGE CXB1394 VR 801 Volume 10kΩ CCW1021 Pickup Unit Service CXX1235 Circuit Symbol and No Part Name Part No Switch Unit Consists of Switch1 PCB Switch2 PCB F G ...

Page 32: ...P MCD 32P Rear Display F TEN 16P 16P 24P 20P 16P 16P AV Unit 10P 32P GGD1306 CDX M8027ZT E AMP 32P 12P GGD1304 24P 12P Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply 32 1 2 3 4 1 2 3 4 F E D C B A CDX M8127ZT WL 6 ADJ...

Page 33: ...lay F TEN 16P 16P 24P 20P 16P 16P AV Unit 10P 32P GGD1306 CDX M8027ZT E AMP M L 32P 12P GGD1304 24P 12P Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector SP Line 33 5 6 7 8 F E D C B A 5 6 7 8 CDX M8127Z...

Page 34: ...0P 20P 25P 8P 16P 16P 20P 25P GGD1240 AUI AUI FR FR 24P GGD1302 AMP MCD NAVI ECU DENSO 6P 20P Please connect only one Multi CD at the same time MCD does not operate if RSA controller is not connected Bullet connector SP Line Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply NORTH AMERICA LEXUS EMV SYSTEM RSA ...

Page 35: ...8P 16P 16P 20P 25P GGD1240 AUI AUI FR FR 24P GGD1302 MCD NAVI ECU DENSO 6P 20P AMP M L Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector SP Line Please connect only one Multi CD at the same time MCD does not operate if RSA controller is not connected NORTH AMERICA LEXUS EMV SYSTEM M L RSA ...

Page 36: ...P 20P 20P 25P 8P 16P 16P 20P 25P GGD1240 AUI AUI FR FR GGD1300 AMP MCD NAVI ECU DENSO 24P 12P Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector SP Line Please connect only one Multi CD at the same time NORTH AMERICA LEXUS EMV SYSTEM ...

Page 37: ...P 25P GGD1240 AUI AUI FR FR GGD1300 AMP M L MCD NAVI ECU DENSO GGD1304 32P 12P 24P 12P Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector SP Line Please connect only one Multi CD at the same time NORTH AMERICA LEXUS EMV SYSTEM M L ...

Page 38: ...2P 20P 6P 10P 14P 8P 18P 10P 10P 14P 20P 20P 25P 8P 16P 16P 20P 25P GGD1240 FR FR GGD1300 AMP MCD GGD1304 32P 12P 24P 12P Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Bullet connector SP Line Please connect only one Multi CD at the same time EUROPE TOYOTA L R E...

Page 39: ...0P 10P 10P GGF 146 FH M8627ZT ES CDX M8127ZT WL 32P MCD GGD1304 32P 12P 24P 12P 6P 6P Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Please connect only one Multi CD at the same time AUSTRALIA TOYOTA STD SYSTEM ...

Page 40: ... 20P 10P 10P GGF 146 FH M8627ZT ES CDX M8127ZT WL 32P MCD GGD1304 32P 12P 24P 12P 6P 6P Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Please connect only one Multi CD at the same time AISIA TOYOTA R STD SYSTEM ...

Page 41: ...7ZT ES CDX M8027ZT E H U 12P 20P 10P 10P GGF 146 32P MCD GGD1304 32P 12P 24P 12P 6P 6P Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Please connect only one Multi CD at the same time AISIA TOYOTA L STD SYSTEM ...

Page 42: ...ZT ES CDX M8027ZT E H U 12P 20P 10P 10P GGF 146 32P MCD GGD1304 32P 12P 24P 12P 6P 6P Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Please connect only one Multi CD at the same time MIDDLE EAST LEXUS STD SYSTEM ...

Page 43: ...X M8027ZT E H U 12P 20P 10P 10P GGF 146 32P MCD GGD1304 32P 12P 24P 12P 6P 6P Bullet connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply Please connect only one Multi CD at the same time SOUTH AND CENTRAL AMERICA TOYOTA STD SYSTEM ...

Page 44: ...rn to the normal mode CD changer error No display mode Key KEH M9116ZT ES Contents Display SCAN ch4 DISCUP CD changer error No display CD ERR xx CD changer test mode TRACK UP DISC CD changer test mode IN 1 To the CD changer test mode H U Return to the normal mode by ACC OFF ON CD changer Return to the normal mode by resetting the microcomputer 1 It depends on TOYOTA diag mode ...

Page 45: ...r electrical shocks to the sys tem when making adjustment This unit is adjusted in a combination with the CD control unit KEH M9116ZT ES etc Each regulator key should be operated at the unit With the KEH M9116ZT ES taken up for reference a description 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 KEH M9116Z...

Page 46: ...ns move the pickup unit to the innermost track 3 Press key RPT ch5 to close focus the display should read 91 Press key DISCDOWN to implement the tracking balance adjustment the display should now read 81 Press key RPT ch5 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...

Page 47: ...47 5 6 7 8 F E D C B A 5 6 7 8 CDX M8127ZTWL Grating waveform 45 0 75 60 30 90 Ech Xch 20mV div AC Fch Ych 20mV div AC ...

Page 48: ...ctly Adjustment Method Measuring Equlpment 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 Enter Test mode then select Multi CD player 2 Press key RDM ch6 to enter Mechanism Test mode 3 Press key ch1 twice to specify the amount of movement...

Page 49: ...ce 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 DISCUP key to select Disc No 4 Check if the stopper bend of the clamp lever is engaged in the groove of the frame stopper Fig 2 4 Note The stopper bend will be pressed downward into the groove for final clamping Confirm the engagement position of the stopper bend If t...

Page 50: ...e first step by 0 1 mm increase the volt age 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 Press the EJECT switch 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...

Page 51: ...27ZTWL E 6 5 4 NG OK NG Adjust to the graduation of the fourth CD Fig 1 Fig 4 Dislocated toward the sixth CD Fig 3 Engaged in the center and pressed downward Frame stopper Stopper bend of the clamp lever Fig 2 Dislocated toward the first CD ...

Page 52: ...ess the T up and DISC keys at the same time Note To exit from the test mode reset the CD CH Source ON Press the DISC key TRK Press the RDM ch6 key Mech test mode IN TRK 72 00 00 1 P1 1 P2 1 P3 CD test mode IN 1 TRK00 00 00 Reg on Press the SCAN ch4 key CD test mode IN 2 No TRK Offset adjustment TRK 99 99 99 Reg on Press the RPT ch5 key CD test mode processing Mech test mode processing ...

Page 53: ...essing During pressing Press the T up key Mechanical operation starts 1 ELV The elevation moves by the designated steps in the UP direction TRY The tray moves by the designated steps in the IN direction Mechanical operation starts 2 ELV The elevation moves by the designated steps in the DOWN direction TRY The tray moves by the designated steps in the OUT direction Press the T dn key Press the D up...

Page 54: ...Servo Press the T up key CRG TRK 8X 8X 8X TRK 9X 9X 9X Press the T dn key CRG The same display with that for the DRG Tracking balance adjustment TRK 8X 8X 8X Press the RDM ch6 key AGC F BIAS display selection Normal display F AGC gain T AGC gain F BIAS setting value Press the RPT ch5 key AGC TRK XX XX XX Press the ch1 key CRG TR jump no selection TRK XX XX XX The mode changes as follows with no di...

Page 55: ...CD R The disc is upside down defects vibration 17 ELECTRIC Set up failure AGC protect failed Defects disc upside down severe vibration 19 ELECTRIC Set up failure Tracking error waveform is too unbalanced 50 or level is too small The pickup unit or tracking error circuitry is N G 30 ELECTRIC Search time out Failed to reach target address Carriage tracking defective and or defects A0 SYSTEM Power fa...

Page 56: ...D CH 43H 50 Tray IN OUT error CD CH 43H 51 Elevation error Communication control 01H D6 Master absent Communication control 01H D7 Connecting confirmation error Communication control 01H DC Transmission failure Communication control 01H DD Master reset intermission Communication control 01H DF Master error shifting to the sub master Communication control 01H E0 Registration completion acknowledgem...

Page 57: ...V Audio ECU Audio H U Rear TV Rear Control SW Multi CD decoder CD CH commander AMP controlled radio tuner Europe GW ECU Consolida ted inside panel 1DIN Navigation Simple LCD Gateway ECU Disp with SW FM multiplex Disp Fr controlled SW MD CH commander Body computer Navigation remote controller Steering SW New 1DIN TV Europe navigation Disp M U Rear TV with movie mode Navigation with controls MONET E...

Page 58: ...hysical address table 2 4 Uppermost 4 bits 2 Video output units H L 0 1 2 3 4 5 6 7 8 9 A B C D E F Navigation computer ATIS VICS TV tuner Hideaway CD CH Hideaway DVD CH TEL information ECU Camera controller DVD deck 0 1 2 3 4 5 6 7 8 9 A B C D E F ...

Page 59: ...M8127ZTWL Radio cassette with no CH controller Physical address table 3 4 Uppermost 4 bits 3 Audio output units H L 0 1 2 3 4 5 6 7 8 9 A B C D E F Radio Cassette CD P 1DIN CD CH MD P MD CH 0 1 2 3 4 5 6 7 8 9 A B C D E F DAT DCC TEL ECU ...

Page 60: ...0 1 2 3 4 1 2 3 4 F E D C B A CDX M8127ZT WL Physical address table 4 4 Uppermost 4 bits 4 Audio processing units H L 0 1 2 3 4 5 6 7 8 9 A B C D E F Equalizer DSP H W AMP 0 1 2 3 4 5 6 7 8 9 A B C D E F ...

Page 61: ...move the two screws Removing the Grille Assy Fig 2 3 Grille Assy Removing the Extension Unit Fig 3 Remove the screw 1 Remove the two screws 2 Remove the ten screws and then remove e the Case Unit 1 1 1 2 2 2 2 3 3 Fig 2 Remove the four Dampers 2 Disconnect the connector and then remove the CD Mechanism Module 2 2 1 Extension Unit Fig 3 Disconnect the connector and then remove the Extension Unit Di...

Page 62: ...he Belt and the Pick up Unit with the Feed Screw still attached Fig 5 6 Lift the Tabs of the rack section of the Holder and remove the Feed Screw While doing so be careful not to lose the Bearings on the ends of the Feed Screw Fig 5 Removing the CD Core Unit Fig 4 1 After procedures 1 and 2 for removing the Pick up Unit remove the connector 2 Remove the Elevation Motor Assy lead wires marked with ...

Page 63: ...re unit and extension unit as shown in the right figures If not the product will not operate properly Cautions on replacing the dampers When mounting the dampers on the CD mech module completely insert them until the top of the damper comes to the A line as shown in the right figures If not the product will not operate properly EXTENSION UNIT CD CORE UNIT FLEXIBLE CABLE EXTENSION UNIT CD CORE UNIT...

Page 64: ... AL AR AR SGD1 VL2 VR2 NTSI SG SGD2 ADPG2 SGND SG NTSC VR VL GND TX2 TX2 GND TXM TXM ACC B 7 1 2 CONNECTOR FUNCTION DESCRIPTION MUTE CDL CDL CDR CDR SGND ADPG MUTE AL AL AR AR SGD1 VL2 VR2 NTSI SG SGD2 ADPG2 SGND SG NTSC VR VL GND TX2 TX2 GND TXM TXM ACC B CDX M8127ZT WL CDX M8027ZT E ...

Page 65: ...element connection pin 29 XOUT O Crystal oscillating element connection pin 30 VSS GND 31 54 NC Not used 55 CDCNT O C CD 5V control output 56 ejled O C Eject key illumination control output 57 SYSMUT O C System mute control output 58 MIRR I Mirror detector input 59 LOCK I Spindle lock detector input 60 FOK I FOK signal input 61 AUDPW O C ANSW power supply control output 62 swvdd O C Mute circuit p...

Page 66: ... in handling them because they are very liable to be damaged by electrostatic induction 7 3 EXPLANATION 7 3 1 SYSTEM BLOCK DIAGRAM L R AVC LAN RGB L R AMPLIFIER PIONEER or OTHER MAKERS SPEAKER 1DIN HEAD UNIT AVC LAN B ACC B ACC AVC LAN CD CH EMV OTHER MAKERS NAVI ECU OTHER MAKERS AVC LAN CDX M8127ZT WL CDX M8027ZT E ...

Page 67: ...Detecting Are there discs sensed Shifting to the Mech waiting mode Press the EJECT key Processing Completion No discs in the magazine YES To the smallest disc no 3 NO 1 Waiting for magazine insertion 5 Disc change Changing discs Press the EJECT key YES NO Completion A disc is loaded The final disc YES NO YES NO To the next disc 5 PLAY starts CDM ON Disc change NO Changing discs Press the EJECT key...

Page 68: ... 04 01 Singapore 159936 C PIONEER CORPORATION 2002 K ZZY AUG 2002 Printed in Japan DOOR This unit ejects the magazine when you fully open the DOOR This unit always allows you to eject the magazine when it is in backed up state 7 4 CLEANING Before shipping out the product be sure to clean the following portions by using the prescribed cleaning tools Portions to be cleaned CD pickup lenses Cleaning ...

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