Pioneer DEH-MG8137ZT Service Manual Download Page 85

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DEH-MG8137ZT/UC

VCC=5V

Pin 62

Power ON

bsen

asen

YES

VCC=5V

Pin 16

bsen

Pin 19

asen

Pin 20

SYSPW

←

Pin 49

IPPW

←

Pin 47

swvdd

←

Pin 73

Source keys
operative

Completes power-on operation.
(After that, proceed to each source operation)

Source ON

7.3.2 OPERATIONAL FLOW CHART

Summary of Contents for DEH-MG8137ZT

Page 1: ...K ZZD APR 2003 Printed in Japan ORDER NO CRT3063 SCION AUDIO SYSTEM 6 DISC CD CHANGER DEH MG8137ZTUC Service Manual TOYOTA DEH MG8137ZT UC VEHICLE DESTINATION PRODUCED AFTER TOYOTA PART No ID No PIONEER MODEL No xA xB U S A April 2003 86120 0W090 T1802 DEH MG8137ZT UC This service manual should be used together with the following manual s Model No Order No Mech Module Remarks CX 951 CRT2872 G2 CD ...

Page 2: ...y When you find the procedures bearing any of the symbols be sure to fulfill them 2 Adjustments To keep the original performances of the product optimum adjustments or specification confirmation is indispensable In accordance with the procedures or instructions described in this manual adjustments should be performed 3 Cleaning For optical pickups tape deck heads lenses and mirrors used in project...

Page 3: ...NNECTION DIAGRAM 32 4 1 MAIN UNIT 32 4 2 KEYBOARD UNIT 36 4 3 CD MECHANISM MODULE 38 5 ELECTRICAL PARTS LIST 44 6 ADJUSTMENT 52 6 1 CONNECTION DIAGRAM 52 6 2 TEST MODE 53 6 3 CD ADJUSTMENT 54 6 4 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT 56 6 5 TEST MODE CD 58 6 6 AVC LAN DIAGNOSIS MODE 62 7 GENERAL INFORMATION 66 7 1 DIAGNOSIS 66 7 1 1 DISASSEMBLY 66 7 1 2 CONNECTOR FUNCTION DESCRIPTION...

Page 4: ...ht 10 color change Audio Tone controls Bass Frequency 55 Hz Level 11 dB 13 dB Treble Frequency 14080 Hz Level 8 dB 10 dB Maximum power output 40 W 4 Load impedance 4 W CD player System Compact disc audio system Usable discs Compact disc Signal format Sampling frequency 44 1 kHz Number of quantization bits 16 linear Number of channels 2 stereo MP3 decoding format MPEG1 2 Audio Layer 3 AM tuner Freq...

Page 5: ... CHP2697 10 Protector CHP2698 11 Owner s Manual CRB1827 English Mark No Description Part No Mark No Description Part No NOTE Parts marked by are generally unavailable because they are not in our Master Spare Parts List Screws adjacent to mark on the product are used for disassembly For the applying amount of lubricants or glue follow the instructions in this manual In the case of no amount instruc...

Page 6: ...6 1 2 3 4 1 2 3 4 F E D C B A DEH MG8137ZT UC 2 2 EXTERIOR ...

Page 7: ...AC7893 37 Button A CAC7894 38 Button UP CAC7895 39 Button M CAC8074 40 Button DOWN CAC8075 41 Shield CND1556 42 Cover CNM7433 43 Cushion CNM8306 44 Lighting Conductor CNV7542 45 Holder CNV7543 46 Holder CNV7544 47 Guide CNV7646 48 Keyboard Unit CWM8740 49 LCD CAW1824 50 Connector CN901 CKS4671 51 Holder CND1423 52 Sheet CNM8490 53 Sheet CNM8491 54 Lighting Conductor CNV7541 55 Connector CNV7557 56...

Page 8: ...1 1 1 1 3 3 1 1 1 1 1 3 1 2 3 3 3 1 3 3 3 3 3 D F 1 GEM1043 2 GEM1042 3 GEM1024 1 8 1 2 3 4 1 2 3 4 F E D C B A DEH MG8137ZT UC 2 3 CD MECHANISM UNIT 1 ...

Page 9: ... CXC1649 38 Lever Unit CXC1650 39 Lever Unit CXC1651 40 Cam Motor Assy CXB7522 41 Washer CBF1064 42 Gear CNV6610 43 Gear CNV6611 44 Motor Unit A M1 CXC1144 45 Screw JFZ20P020FTC 46 Washer YE20FTC 47 ELV Motor Assy CXB7523 48 Screw BMZ20P025FTC 49 Washer CBF1064 50 Holder CND1668 51 Gear CNV6634 52 Gear CNV6635 53 PCB Unit LED CWX2614 54 Connector CN31 CKS4523 55 Motor Unit A M2 CXC1145 56 Screw JF...

Page 10: ...10 1 2 3 4 1 2 3 4 F E D C B A DEH MG8137ZT UC 2 1 1 1 1 1 1 1 1 1 GEM1043 2 GEM1042 G H E 2 4 CD MECHANISM UNIT 2 ...

Page 11: ...518 22 Carriage Motor Assy CXB7521 23 Washer CBF1038 24 Belt CNT1088 25 Pulley CNV6627 26 Gear CNV6629 27 Motor Unit A M3 CXC1143 28 Screw JFZ14P020FTC 29 Loading Mech Assy CXB7525 30 Washer CBF1037 31 Washer CBF1075 32 Spring CBH2450 33 Spring CBH2452 34 Spring CBH2457 35 Spring CBH2580 36 Frame CND1653 37 Arm CND1654 38 Sheet CNM7295 39 Roller CNV6616 40 Collar CNV6617 41 Guide CNV6622 42 Holder...

Page 12: ...12 1 2 3 4 1 2 3 4 F E D C B A DEH MG8137ZT UC ...

Page 13: ... 35 3 1 15 13 11 10 12 46 48 7 8 6 5 CONTROL UNIT G2MP3T Q101 140 PD RF AMP CD DECODER MP3 DECODER DIGITAL SERVO DATA PROCESSOR 141 LD A C B D E F L OUT 35 IC 201 UPD63760GJ IC701 PE5371A MECHANISM CONTROLLER 55 3VDD BVDD 3 3ch DRIVER IC 301 BD7962FM ELV1 ELV2 LO1 LO2 CG1 CG2 26 29 CONT MUTE MOTOR CONTROL 14 VD SERVO EQUALIZER OUTPUT FD TD SD MD 18 15 OUT1 OUT2 Q602 Q603 CD MUTE VD Q601 30 CDMUTE ...

Page 14: ...431 Q432 BU Q850 Q BU ILLPWM Q853 Q854 BU BLDA AMPNS AMDET Q524 LCE LRST DDST DDDT DD POWER 63 LANMUT ACC TX TX 46 LANMUTE VD REGULATOR C CN902 7 13 RESET VD VDCONT IC 3 EEPROM 28 27 FM AM 1ST IF 10 7MHz T51 Q51 CF51 CF52 CF53 IC1 MIXER IF AMP DET 6 21 18 LDET COMP 22 25 10 14 12 15 16 8 13 2 3 4 CF202 VDD VCC DI DO CE2 CK CE1 SDBW SL FMSD NL1 NL2 IC 2 FM MPX AMANT FMANT ATT ATT AMRF FMRF IMG ADJ ...

Page 15: ... Q442 BU SYSPW AUDIO B Q850 Q852 PWM BKLTB 9 Q410 ILL SWVDD BU Q451 Q452 SYSPW AMP Q806 SWVDD TLMT 43 TELMUTE IC 782 1 2VCC BU Q454 Q455 Q453 44 FMPW 45 AMPW ANT Q807 AUDIO B Q808 SVR 10 Q563 Q565 AUDIO B AMB AMPW 45 LCE LRST LOFF LCK LDT DDST DDDT DDCK DDSTBY DDRST POWER 6 Q701 SWVDD 46 NMUTE LANMUT BU B SENSE I SENSE ILL ANT B WF AMP B ILL AUDIO B BU MUTE MUTE RESET LPF KEYILB V5SWVD IC 901 UPD1...

Page 16: ...AL PARTS LIST A a A BDATA FM AM TUNER UNIT B CN901 C CN902 2 4 1 5 6 3 DIGITAL SOUND P SOURCE SEL ELECTRIC VO SYSTEM CONTROLLER AM PNS ANTENNA JACK 2 4 1 5 3 CD 0 1dBs 1kHz 0dB AM 12 7dBs FM 27dBs 400Hz 30 mod AM 13 2dBs FM 27dBs AM 28dBs CD 0dBs AVC LAN 0dBs FM AM 9 CD AVC LAN 16 1 2 3 4 1 2 3 4 F E D C B A DEH MG8137ZT UC 3 3 OVERALL CONNECTION DIAGRAM GUIDE PAGE ...

Page 17: ...n 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 2 4 1 5 6 3 2 4 1 5 6 3 2 4 1 5 6 3 2 4 1 5 6 3 TAL SOUND PROCESSOR SOURCE SELECTOR ELECTRIC VOLUME LLER POWER AMP AVC LAN 8 23dBs 1kHz 0dB FM 12dBs AM 9 2dBs CD 1dBs AVC LAN 1dBs FM 14dBs...

Page 18: ...3 DIGITAL SOUND PROCESSOR SOURCE SELECTOR ELECTRIC VOLUME AM PNS ANTENNA JACK 2 4 1 5 3 AM 12 7dBs FM 27dBs 400Hz 30 mod AM 13 2dBs FM 27dBs AM 28dBs CD 0dBs AVC LAN 0dBs FM 12dBs AM 9 2dBs CD 1dBs AVC LAN 1dBs 18 1 2 3 4 1 2 3 4 F E D C B A DEH MG8137ZT UC ...

Page 19: ...A a A b A a A a A b 5 6 7 BDATA B CN901 C CN902 SYSTEM CONTROLLER CD 0 1dBs 1kHz 0dB 19 5 6 7 8 F E D C B A 5 6 7 8 DEH MG8137ZT UC ...

Page 20: ...A a A b A b 1 2 3 4 A MAIN UNIT CESSOR OR ME POWER AMP AVC LAN 8 23dBs 1kHz 0dB FM 14dBs AM 16 8dBs CD 27dBs AVC LAN 27dBs 20 1 2 3 4 1 2 3 4 F E D C B A DEH MG8137ZT UC ...

Page 21: ...actor of the part Therefore when replacing be sure to use parts of identical designation 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 2 4 1 5 6 3 2 4 1 5 6 3 2 4 1 5 6 3 2 4 1 5 6 3 21 5 6 7 8 F E D C B A 5 6 7 8 DEH MG8137ZT UC ...

Page 22: ...2 1 3 2 1 3 2 1 3 2 1 3 2 1 3 DISC AUDIO CONTROL AM SAT FM1 2 UP VOL PWR 6 MUTE 5 SCAN DOWN VOL 4 2 UP TUNE TEXT UP FOL 1 3 DOWN TUNE SSP DOWN FOL COLOR LOAD EJECT 1 2 3 4 1 2 3 4 F E D C B A DEH MG8137ZT UC 3 4 KEYBOARD UNIT ...

Page 23: ...23 B B KEYBOARD UNIT A CN479 5 1 3 2 6 4 5 6 7 8 F E D C B A 5 6 7 8 DEH MG8137ZT UC ...

Page 24: ...5 4 3 2 1 PU UNIT SERVICE PX1MP3 14 15 16 17 F PCB UNIT SIDE G PCB UNIT H PCB UNIT M2 UNIT D PCB UNIT LED E PCB UNIT LOAD 3 3ch DRIVER MOTOR DRIVER 5 12 13 24 CN42 CN1 CLAMP HOME S2 S1 CSN1057 CSN1057 CN12 VR1 ELVSENSE CCW1023 10K CN11 L1 CN14 CN31 RE WH 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13 CN41 CN13 RF AM MP3 DE DIGITA PROCE T SL SL SL SL SL T T T T T T T T T SL SL SL SL SL...

Page 25: ...T MECHANISM CONTROLLER RAM RF AMP CD DECODER MP3 DECODER DIGITAL SERVO DATA PROCESSOR SL SL SL SL F SL SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE T C S 9 25 5 6 7 8 F E D C B A 5 6 7 8 DEH MG8137ZT UC ...

Page 26: ...5 26 27 28 29 30 6 7 8 9 5 4 3 2 1 14 15 16 17 6 7 8 9 5 4 3 2 1 PU UNIT SERVICE PX1MP3 14 15 16 17 F PCB UNIT SIDE G PCB UNIT H PCB UNIT M2 UNIT D PCB UNIT LED E PCB UNIT MOTOR DRIVER 5 12 13 24 CN42 CN1 CLAMP HOME S2 S1 CSN1057 CSN1057 CN12 VR1 ELVSENSE CCW1023 10K CN11 L1 CN14 CN31 RE WH 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13 CN41 CN13 T SL SL SL SL SL T T T T T T T T T SL ...

Page 27: ... a C b D E 2 3 4 5 6 7 7 8 CAMLOAD GR BL M1 CXC1144 LOAD1 LOAD2 1 2 3 7 8 1 2 3 4 5 D LED E PCB UNIT LOAD 3 3ch DRIVER CN13 F F T T C S C S S C F T C T F S C 2 3 4 7 1 27 5 6 7 8 F E D C B A 5 6 7 8 DEH MG8137ZT UC ...

Page 28: ...L UNIT G2MP3T RAM RF AMP CD DECODER MP3 DECODER DIGITAL SERVO DATA PROCESSOR SL F SL SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE T C S 28 1 2 3 4 1 2 3 4 F E D C B A DEH MG8137ZT UC ...

Page 29: ...C a C b C b 2 3 4 5 6 7 Not used A CN601 MECHANISM CONTROLLER SL SL SL 9 29 5 6 7 8 F E D C B A 5 6 7 8 DEH MG8137ZT UC ...

Page 30: ...s denote measuring points in the circuit diagram Mode Test Mode Test CH1 5 RFAGCO CH2 6 TE CH3 7 TIN 1 Track Jump CH1 5 RFO CH2 6 TE CH3 7 TIN 4 Track Jump Mode Test Mode Test CH1 5 RFAGCO CH2 6 TE CH3 7 TIN 10 Track Jump Mode Test CH1 5 RFAGCO CH2 6 TE CH3 7 TIN 32 Track Jump Mode Test 1 2 3 4 1 2 3 4 F E D C B A DEH MG8137ZT UC ...

Page 31: ...s in the circuit diagram Mode Normal Mode Normal CH1 8 FE CH2 1 FIN CH3 6 TE CH4 7 TIN During PLAY CH1 RFO CH2 TE Audio output 1kHz 0dB Mode Normal Mode Normal CH1 6 TE CH2 7 TIN CH3 CIN CH3 4 EC During inside outside search Mode Normal CH1 1 FIN CH2 9 FOK CH3 4 EC CH4 FG DISC stop Mode Normal 5 6 7 8 F E D C B A 5 6 7 8 DEH MG8137ZT UC ...

Page 32: ...unted 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 B CN901 CAR HARNESS CAR HARNESS 1 2 3 4 1 2 3 4 F E D C B A DEH MG8137ZT UC 4 PCB CONNECTION DIAGRAM 4 1 MAIN UNIT ...

Page 33: ...33 A SIDE A FRONT C CN902 ANTENNA FM AM TUNER UNIT CAR HARNESS MAIN 5 6 7 8 F E D C B A 5 6 7 8 DEH MG8137ZT UC ...

Page 34: ...34 A A MAIN UNIT 1 2 3 4 1 2 3 4 F E D C B A DEH MG8137ZT UC ...

Page 35: ...35 A SIDE B 5 6 7 8 F E D C B A 5 6 7 8 DEH MG8137ZT UC ...

Page 36: ...EXT COLOR SCAN 6 5 4 PWR FM1 2 3 DISC 2 MUTE DOWN VOL AUDIO CONTROL UP VOL SSP 1 EJECT DOWN FOL UP FOL DOWN TUNE UP TUNE AM SAT B G COM R B G COM R B G COM R B G COM R 36 1 2 3 4 1 2 3 4 F E D C B A DEH MG8137ZT UC 4 2 KEYBOARD UNIT ...

Page 37: ...B B KEYBOARD UNIT SIDE B A CN479 2 1 3 2 1 3 2 1 3 2 1 3 2 1 3 2 1 3 37 5 6 7 8 F E D C B A 5 6 7 8 DEH MG8137ZT UC ...

Page 38: ...38 C C CONTROL UNIT G2TMP3 SIDE A IC Q F CN11 A CN601 REFO E F 1 2 3 4 1 2 3 4 F E D C B A DEH MG8137ZT UC 4 3 CD MECHANISM MODULE ...

Page 39: ...39 C C CONTROL UNIT G2TMP3 SIDE B IC Q 5 6 7 8 F E D C B A 5 6 7 8 DEH MG8137ZT UC ...

Page 40: ...D D PCB UNIT LED E PCB UNIT LOAD E F CN14 M M2 ELEVATION RE WH CAMOK CAMLOAD 5 6 7 8 LOAD2 LOAD1 F CN13 40 1 2 3 4 1 2 3 4 F E D C B A DEH MG8137ZT UC ...

Page 41: ...F F PCB UNIT SIDE F PCB UNIT SIDE SIDE A SIDE B E M LOADING VR1 ELV SENSE 1 2 3 4 5 D CN31 C CN101 G 8 GR BL M M1 CAMGEAR 41 5 6 7 8 F E D C B A 5 6 7 8 DEH MG8137ZT UC ...

Page 42: ...M M3 CRG 1 30 F CN12 1 9 CN42 1 17 CN41 S41 LOAD3 H CN1 PU UNIT SERVICE PX1MP3 L1 G G PCB UNIT 42 1 2 3 4 1 2 3 4 F E D C B A DEH MG8137ZT UC ...

Page 43: ...M SPINDLE S1 HOME S2 CLAMP 1 9 CN1 G CN42 C1 R2 R1 IC1 1 5 10 12 13 15 20 24 R3 HE3 HE2 HE1 H H PCB UNIT M2 UNIT 43 5 6 7 8 F E D C B A 5 6 7 8 DEH MG8137ZT UC ...

Page 44: ... B3 D 442 Diode 1SS355 D 451 Diode DAN202K D 452 Diode 1SS355 D 471 Diode P300JL 6059 D 472 Diode MPG06G 6415G50 D 473 Diode MPG06G 6415G50 D 474 Diode 1SS355 D 475 Diode 1SS355 D 702 Diode 1SS355 D 781 Diode UDZS18 B D 782 Diode UDZS18 B D 802 Diode HZU8R2 B3 D 804 Diode 1SS355 D 876 Diode UDZS5R6 B L 351 Inductor CTF1379 L 352 Inductor CTF1379 L 353 Inductor CTF1379 L 354 Inductor CTF1379 L 355 ...

Page 45: ... RS1 16S473J R 471 RS1 4S101J R 472 RS1PMF680J R 473 RS1 16S0R0J R 522 RS1 16S222J R 524 RS1 16S222J R 525 RS1 16S473J R 526 RS1 16S681J R 527 RS1 16S681J R 528 RS1 16S681J R 529 RS1 16S103J R 530 RS1 16S681J R 531 RS1 16S473J R 532 RS1 16S473J R 533 RS1 16S472J R 534 RS1 16S393J R 535 RS1 16S473J R 536 RS1 16S473J R 537 RS1 16S473J R 538 RS1 16S681J R 539 RS1 16S681J R 541 RS1 16S0R0J R 542 RS1 1...

Page 46: ... R 814 RS1 16S103J R 815 RS1 10S681J R 816 RS1 16S473J R 817 RS1 16S473J R 818 RS1 16S473J R 819 RS1 16S473J R 853 RS1 16S102J R 854 RS1 16S471J R 855 RS1 16S222J R 856 RS1 16S242J R 857 RS1 16S102J R 858 RS1 16S471J R 859 RS1 16S152J R 860 RS1 16S222J R 870 RS1 16S472J R 871 RS1 8S222J R 872 RS1 10S103J R 873 RS1 16S123J R 874 RS1 16S103J R 875 RS1 16S103J R 876 RS1 16S103J CAPACITORS C 307 CKSRY...

Page 47: ...0 C 566 CQMA333J50 C 567 CQMA333J50 C 568 CKSRYB224K10 C 569 CKSRYB473K50 C 570 CKSRYB153K50 C 571 CKSRYB472K50 C 572 CEJQ101M10 C 573 CKSRYB392K50 C 574 CKSRYB334K10 C 575 CKSRYB102K50 C 585 CKSRYB223K50 C 713 CSZS100M16 C 781 CKSRYB104K25 C 782 CKSRYB223K50 C 783 CKSRYB103K50 C 801 CFTNA224J50 C 802 CFTNA224J50 C 803 CFTNA224J50 C 804 CFTNA224J50 C 805 CKSQYB104K25 C 806 CFTNA105J50 C 807 CEJQ10...

Page 48: ...16S104J R 908 RS1 16S473J R 909 RS1 16S102J R 910 RS1 16S473J R 911 RS1 16S103J R 912 RS1 16S473J R 913 RS1 16S152J R 914 RS1 10S103J R 915 RS1 10S103J R 916 RS1 10S103J R 917 RS1 16S222J R 918 RS1 16S222J R 919 RS1 16S222J R 920 RS1 16S222J R 921 RS1 16S0R0J R 922 RS1 16S0R0J R 923 RS1 16S473J R 924 RS1 16S473J R 925 RS1 16S473J R 926 RS1 16S473J R 927 RS1 16S102J R 928 RS1 16S102J R 929 RS1 16S1...

Page 49: ...2 RS1 16S221J R 3 RS1 10SR47J CAPACITORS C 1 CKSRYB104K16 Unit Number CWX2787 Unit Name Control Unit G2TMP3 MISCELLANEOUS IC 201 IC UPD63760GJ IC 203 IC BA033SFP IC 204 IC MSM51V18165FP 60TS IC 301 IC BD7962FM IC 701 IC PE5371A IC 702 IC TC74VHCT08AFT IC 703 IC S 812C33AUA C2N Q 101 Transistor 2SB1132 Q 601 Transistor DTC114EU Q 602 Transistor DTA123JU Q 603 Transistor DTC314TU Q 604 Transistor DT...

Page 50: ...R 734 RS1 16SS472J R 735 RS1 16SS473J R 738 RS1 16SS222J R 740 RS1 16SS473J R 741 RS1 16SS473J R 742 RS1 16SS473J R 743 RS1 16SS473J R 744 RS1 16SS221J R 746 RS1 16SS104J R 747 RS1 16SS104J R 748 RS1 16SS222J R 750 RS1 16SS222J R 751 RS1 16SS104J R 752 RS1 16SS104J R 753 RS1 16SS154J R 755 RS1 16SS473J R 756 RS1 16SS104J R 757 RS1 16SS473J R 758 RS1 16SS473J R 759 RS1 16SS0R0J R 760 RS1 16SS473J R...

Page 51: ...uctor LCYBR15J1608 S 21 Spring Switch LOAD1 CSN1051 S 22 Spring Switch LOAD2 CSN1052 Unit Number CWX2614 Unit Name PCB Unit LED D 31 Chip LED CL205IRXTU D 32 Chip LED CL205IRXTU S 31 Spring Switch CAMLOAD CSN1052 S 32 Spring Switch CAMEOK CSN1052 R 31 RS1 16S0R0J Unit Number CWX2611 Unit Name PCB Unit L 1 Inductor CTF1389 S 41 Spring Switch LOAD3 CSN1051 Unit Number CWX2613 Unit Name PCB Unit Side...

Page 52: ... B A DEH MG8137ZT UC 6 ADJUSTMENT 6 1 CONNECTION DIAGRAM Head unit DEH MG8137ZT UC 12P AVC LAN cable 82372 AA010 HDE0058 or HDE0060 GEX M8087XMZT XN UC GGF 146 Power supply cable XM antenna unit AN 90XM or TOYOTA model XM tuner ...

Page 53: ...nd Normal display Rest the Microcomputer to returning to the normal mode 1 Notes 1 Note that the test mode is cancelled in the system microcomputer by switching the ACC OFF and ON but that it is not in the CD microcomputer Use the reset function for complete cancellation of the test mode AM SAT AM SAT SAT3 SAT3 1 6 DISC for 5 seconds XM Error displayed To XM Error displayed mode BAND Select ACCOFF...

Page 54: ...otective functions from the software become unavailable Thus you must make sure that undesirable electric or mechanical shocks are not be given to the system This model employs a photo transistor for detecting discs at their loading or ejection Thus if its outer case is removed during repair work and internal parts are exposed to light of strong intensity malfunctions including the following can r...

Page 55: ...uter perimeter Tracking close and AGC and Applicable servo AGC AGC display switching RF gain select Offset adjustment display Tracking balance adjustment Tracking open Focus Close S Curve Rough Servo RF AGC F T RF AGC CRG TR Jump Toward inner perimeter TEXT 5 Focus open Jump off MIN SEC TRK MIN SEC TRK 00 00 00 MIN SEC TRK 99 99 99 MIN SEC TRK 00 00 72 3 RF AMP Gain Select 1 MIN SEC TRK 00 00 00 M...

Page 56: ...ns move the PU unit to the innermost track 3 Press key 4 to close focus the display should read 91 Press key 3 to implement the tracking balance adjust ment the display should now read 81 Press key 4 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 Ref...

Page 57: ...57 5 6 7 8 F E D C B A 5 6 7 8 DEH MG8137ZT UC Grating waveform Ech Xch 20mV div AC Fch Ych 20mV div AC 45 0 75 60 30 90 ...

Page 58: ...loading use the TUNE UP key For ejection use the TUNE DOWN key bit11 loadsidesw The states of the loading switches bit12 loadpht bit10 loadoksw Half emp fill OFF ON OFF ON OFF ON E L V L I F T C L M P P L A Y bit2 CamEokSW OFF 01 05 07 06 04 ON OFF ON OFF ON bit1 CamloadSW bit0 CamclampSW The states of the CAM switches Key 1 Operation To the mech test initial state Selects the CAM motor Selects th...

Page 59: ...ction Waiting for disc pulled out SEJPCK Forced ejection Waiting for disc pulled out HLFLOAD Forced ejection Waiting for disc pulled out DINSRDY Forced ejection Waiting for disc pulled out LIFTDN LIFTUP Forced ejection Waiting for disc pulled out The m2stat value at the original error followed by forced ejection 3 The LOAD SW value 3 bits at the forced ejection end CAM motor FWD time out error dur...

Page 60: ...P operation ELV motor REV time out error during LIFT UP operation Over count error during LIFT UP operation Overrun error during LIFT UP operation ELV motor FWD time out error during LIFT DN operation ELV motor REV time out error during LIFT DN operation Over count error during LIFT DN operation DISC IN SIDE SW ON is sensed during door close operation Overrun error during LIFT DN operation Pinched...

Page 61: ...hat there is no disc around the loading slot HLFLOAD Half loading DINSRDY Waiting for disc insertion LIFTDN Preparatory motion to clamp a disc after loading LIFTUP Preparatory motion to eject a disc TRAYUP CAM motor rotation to release the clamped disc from the position where the disc can be rotated TRYDN CAM motor rotation to reach the position where the disc can be rotated CRGOUT Carriage evacua...

Page 62: ...From the details display mode The diagnosis memory data for devices selected is cleared After memory clearance is completed the mode is automatically shifted to the service check mode 6 Key operations for Memory clearance 6 Key operations for Memory clearance Memory clearance automatically ends 3 Key operations for entering Service check mode 4 Key operations for entering the details display mode ...

Page 63: ...Physical address for selected devices The physical address number is displayed whose check result details will follow it Ex P360 Physical address number CD CH Diagnosis data source The detailed items depend on the data source Ex SyS The data was obtained from system check Logical address The logical address number for the device with failure is displayed Ex 1L_63 Logical address number CD CH The l...

Page 64: ...ation DISP M U Rear TV with movie mode Navigation with controls MONET ECU Vehicle Information ECU 1 DIN Navigation DISPLAY with SW Europe GW ECU Consolidated inside panel Gateway ECU FM multiplex DISPLAY Steering SW Navigation remote controller Fr controlled SW Simple LCD Consolidated SW MD CH commander Body computer 0 8 1 7 9 F 0 8 1 7 9 F 0 1 F 0 8 C 1 7 9 8 D F 0 1 F Navigation computer ATIS VI...

Page 65: ...on no response Last mode abnormal Command order no response Mode status abnormal Transmission fault Master reset Slave reset Master abnormal Registration completion acknowledgement error Voice processor ON abnormal ON OFF command or parameter abnormal Registration command transmission Multiple frames intermit Diagnosis no response 00 01 10 11 12 13 20 21 22 23 24 25 26 27 28 29 2A 30 31 D0 D1 D2 D...

Page 66: ...he two latches Remove the two screws Removing the Grille Assy Fig 1 3 3 Grille Assy 1 2 2 Chassis 2 Remove the three screws and then remove the Heat Sink 3 Remove the five screws and then remove the Chassis 4 2 2 1 Heat Sink 1 1 2 3 3 3 3 3 4 4 2 Release the two latches 3 Release the two latches 4 Release the two latches and then remove the Grille Assy ...

Page 67: ... B A 5 6 7 8 DEH MG8137ZT UC 2 Fig 3 Removing the Main Unit Fig 3 Straighten the tabs at five locations indicated 3 2 2 2 3 2 Main Unit 3 Remove the two screws and then remove the Main Unit 2 Disconnect the connector 1 1 ...

Page 68: ...MP3 Fig 4 1 Remove the two springs A and two springs B 2 Remove the three screws A and then remove the Bracket Unit 3 Remove the four Dampers and then remove the Mechanism Unit G2TMP3 Removing the Control Unit G2MP3T Fig 4 1 Remove the eight screws and then remove the Case 2 Apply shorting solder to the PU flexible cable before disconnecting it from the connector 3 Disconnect the two connectors 4 ...

Page 69: ... to put it into the initial mode where the carriage mech assy stays at the disc clamp position in accordance with the following method Initial mode setting method 1 Keep a CD mechanism unit out of the product to be serviced as shown below Connect the 50 pin connector of the control unit G2TMP3 in the product the 50 pin connector of the PCB unit Side in the CD mechanism by using the extension cable...

Page 70: ...nnect the flexible cable from the connector CN12 and remove the flexible cable Holder 6 Remove the washer and Arm Be careful not to lose the spring B 7 Remove the screw spring A and Collar 8 Remove the Carriage Mech Assy Fig 6 9 Apply shorting solder to the PU flexible cable before disconnecting it from the Connector 10 Disconnect the PU flexible cable from the Connector 11 Move the PU Unit PX1MP3...

Page 71: ...H MG8137ZT UC FM AM ANTENNA POWER SUPPLY SPEAKER OUTPUT AVC LAN EXTENSION RR TLMT ILL RL FR FL GND ANT AMP ILL ACC B RR RL FR FL SLD R R L L MUTE B GND TX TX ACC CMP GND SW1 SW2 TX1 TX1 CMP SLD SHIP 7 1 2 CONNECTOR FUNCTION DESCRIPTION ...

Page 72: ...I Tuner SD input 26 st I Tuner FM stereo input 27 locl O Local L output 28 ILLPWM O Phase width modulation output for illumination dimmer control 29 RX1 I IP BUS Data input 30 TX O IP BUS Data output 31 BSO O P BUS Serial data output 32 BSI I P BUS Serial data input 33 BSCK O P BUS Serial clock output 34 DSPOK I DSP Interface monitor input 35 DSPDO O DSP Data output 36 DSPDI I DSP Data input 37 DS...

Page 73: ...P BUS Reception enable input 84 BRST I P BUS Reset input 85 DDSTBY O LED driver Stand by input 86 DDDT O LED driver Data output 87 DDCK O LED driver Clock output 88 DDST O LED driver Strobe input 89 DMI I Rheostat signal input 90 NC Not used 91 SRSSW1 I Steering switch 1 input 92 93 NC Not used 94 TEMP Temperature detect input 95 SRSSW2 I Steering switch 2 input 96 AVSS GND 97 SL I Tuner SD level ...

Page 74: ... 29 DACO6 O DAC6 output 30 AOUT6 O DAC6 volume output 31 GNDA6 DAC6GND 32 GND Digital section GND 33 36 TEST0 3 I Test setting 0 3 37 VDD Digital section VDD 38 41 TP0 3 O Test port 0 3 42 CKI0 I DAC clock input 0 43 TP4 O Test port 4 44 CKI1 I DAC clock input 1 45 TP5 O Test port 5 46 CKO0 O General purpose clock output 0 47 TP6 O Test port 6 48 CKO1 O General purpose clock output 1 49 VDD Digita...

Page 75: ... ADC microphone input 80 GNDM ADC microphone input GND 81 86 LIN 1 6 I ADC Lch input 1 6 87 92 RIN 1 6 I ADC Rch input 1 6 93 GNDAL ADC Lch input GND 94 OUTL O ADC Lch selector output 95 VRAL ADC Lch operation amp reference potential 96 VDA ADC input power supply 97 VRAR ADC Rch operation amp reference potential 98 OUTR O ADC Rch selector output 99 GNDAR ADC Rch input GND 100 GNDX Crystal oscillat...

Page 76: ... Negative logic 6 DVSS Ground Digital 7 DDD3V I Reference voltage 3V input Digital power supply terminal 8 AVSS Ground Analog 9 VDD Analog power supply terminal 10 CAP1P External capacitor connect terminal 11 CAP1N External capacitor connect terminal 12 DC_OUT O DC DC converter output 13 Bout O Blue output 14 Gout O Green output 15 Rout O Red output 16 PVSS DC DC converter ground 1 8 16 9 BU8770AF...

Page 77: ...stal oscillator 38 XTAL1 Connected to the crystal oscillator 16 9344MHz 39 xtal Connected to the crystal oscillator 16 9344MHz 40 41 X GND Ground for the crystal oscillator 42 xtal Connected to the crystal oscillator 24 576MHz 43 XTAL2 Connected to the crystal oscillator 24 576MHz 44 X VDD Power supply for the crystal oscillator 45 D GND GND for digital circuits 46 DIN I Input of audio data 47 DOU...

Page 78: ... AGCO O Output of RF 117 AGCI I Input of AGC 118 RFO O Output of RF AGC 119 120 EQ2 1 Equalizer 2 1 121 RF2 I Reversal input of RF2 122 RF I Reversal input of RF 123 A GND Ground for the analog system 124 A I Input of A 125 C I Input of C 126 B I Input of B 127 D I Input of D 128 F I Input of F 129 E I Input of E 130 A VDD Power supply for the analog system 131 REFOUT O Output of reference voltage...

Page 79: ...CONT3 LD CONT2 CH3 CH4 CH1 CH2 CH5 CH6 LEVEL SHIFT LEVEL SHIFT LEVEL SHIFT LEVEL SHIFT OUT5 OUT5 IN5FWD IN5REV IN6REV IN6FWD LDCONT2 OPIN1 OP1OUT OPIN2 OP2OUT VCC1 OUT2 OUT2 OUT1 OUT1 LDCONT3 BIAS OUT6 OUT6 OP3OUT OPIN3 IN4FWD IN4REV MUTE OPIN OPOUT GND1 LDCONT1 VCC2 OUT4 OUT4 OUT3 OUT3 VCC3 BD7962FM A0 A9 ras lcas ucas DQ1 DQ16 oe we VCC VSS 6 7 8 9 10 11 15 16 17 18 19 20 45 44 43 42 41 40 36 35...

Page 80: ...r supply control output 26 CONT O C Servo driver power supply control output 27 xwait I CD LSI wait control signal input 28 CG1 O C CAM motor control output 1 REV 29 CG2 O C CAM motor control output 2 FWD 30 CDMUTE O C CD mute control output 31 reset I System reset input 32 XT1 I Connected to the oscillator for subclock connected to VSS via the resistor 33 XT2 Connected to the oscillator for subcl...

Page 81: ...the resistor 84 NC I Connected to AVDD or AVSS via the resistor 85 testin I Chip check test program starting input 86 NC Connected to EVDD or EVSS via the resistor 87 XINT CD LSI interruption signal input 88 NC Connected to EVDD or EVSS via the resistor 89 brst I P Bus reset input 90 LOADSW1 I Loading detect switch 1 91 LOADSW2 Loading detect switch 2 92 ELV_VOL O C ELV drive voltage select output...

Page 82: ...ble Active at High To be grounded at 47kΩ 17 AMPNS AM PNS IF signal IF signal output for AM PNS circuit 18 LDET O lock detector Active at Low To be pulled up to the VDD at 47kΩ 19 CREQ I current request Active at Low To be grounded at 47kΩ 20 AMINI AM audio input The frequency response and the level are set by connecting an external CR network with terminal AMIN as terminal AMDET r in 50kΩ 21 COMP...

Page 83: ...SEG13 SEG14 SEG15 SEG16 SEG17 COM 0A SEG18 SEG19 SEG20A SEG62A SEG21 SEG22A SEG23A SEG24A SEG25A SEG26A SEG27 SEG28A SEG29A SEG30A SEG31 SEG32A SEG33A SEG34A SEG35A SEG36 SEG37 SEG38 SEG39 SEG40 SEG41 SEG42 SEG43 SEG44 SEG45 SEG46 SEG47 SEG48 SEG49 SEG50 SEG51 SEG52 SEG53 SEG54 SEG55 SEG56 SEG57 SEG58 SEG59 SEG60 COM 0A COM 1 COM 2 COM 3 COM 4 COM 5 COM 6 COM 7 COM 0A COM 0A COM 0A COM 0A COM 0A C...

Page 84: ...84 1 2 3 4 1 2 3 4 F E D C B A DEH MG8137ZT UC DEH MG8137ZT UC GEX M8087XMZT XN UC XM ANTENNA PIONEER H U XM TUNER VEHICLE B ACC BUS SIGNAL SOUND 7 3 EXPLANATION 7 3 1 SYSTEM BLOCK DIAGRAM ...

Page 85: ...5V Pin 62 Power ON bsen L asen L YES VCC 5V Pin 16 bsen Pin 19 asen Pin 20 SYSPW H Pin 49 IPPW H Pin 47 swvdd L Pin 73 Source keys operative Completes power on operation After that proceed to each source operation Source ON 7 3 2 OPERATIONAL FLOW CHART ...

Page 86: ...ACC ON During Shipment mode setting the CD loading door indicator flashes when shipment mode setting is completed it stays lit If the radio unit itself has a display SHIP is indicated After disconnecting the power supply connector and removing this product confirm that you can see a metal plate through the hole near the SHIP mark on the rear chassis Confirm that the door of the CD player is closed...

Page 87: ...es from R7 to F7 BAL Adjust the sound balance between the left and right speakers The dis play ranges from L7 to R7 4 SSP Scion Sound Processing SSP is a modified DSP Digital Signal Processing system that provides a customized sound for your vehicle You can select from the modes below SSP Neutral A subdued sound that does not interfere with conversations SSP Hear A powerful energetic live sound SS...

Page 88: ...bly reduce the sensitivity of the radio The car with a pole antenna is object outside 2FM1 2 1AM SAT 4TUNE 3TUNE5 5PRESET1 6 6SCAN 4 TUNE DOWN Press to manually select one step at a time the station with the next lower frequency Press and hold until you hear a beep and automatic station selection begins to select stations in order of decreasing frequency 5 PRESET 1 6 Press to recall previously mem...

Page 89: ...o cancel RND is always displayed regard less of this operation 7 PRESET 2 Repeat If you press this is indicated in the display and starts to repeat the track being played Press again to cancel If you press and hold until you hear a beep is indicated in the dis play and starts to repeat the disc being played Press again to cancel RPT is always displayed regardless of this operation 8PRESET 3 Disc d...

Page 90: ...in to cancel RND is always displayed regard less of this operation 6 PRESET 2 Repeat If you press this is indicated in the display and starts to repeat the file being played Press again to cancel If you press and hold until you hear a beep is indicated in the dis play and starts to repeat the folder being played Press again to cancel RPT is always displayed regardless of this operation 7 PRESET 5 ...

Page 91: ...rrently received When Channel Category is displayed TYPE is indicated press again to switch to the next category 5 TYPE DOWN Press to see Channel Category of channel that is currently received When Channel Category is displayed TYPE is indicated press again to switch to the previous category 6 PRESET 1 6 Press to recall previously memorized channels Preset Channels Press and hold until you hear a ...

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