Pioneer DEH-MG2047 Service Manual Download Page 26 | Manualshive

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DEH-MG2047ZF/XU/UC

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PU UNIT(SERVICE)(PX1)

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Summary of Contents for DEH-MG2047

Page 1: ...2004 FORD DEH MG2047ZF XU UC CRT3266 6 DISC IN DASH CD CHANGER WITH FM AM TUNER DEH MG2047ZF XU UC This service manual should be used together with the following manual s VEHICLE DESTINATION PRODUCED AFTER OEM PARTS No ID No PIONEER MODEL No F 250 F 350 U S A CANADA July 2004 5C3T 18C815 AG DEH MG2047ZF XU UC Model No Order No Mech Module Remarks CX 951 CRT2872 G2 CD Mech Module Circuit Descriptio...

Page 2: ... this manual the symbols shown below indicate that adjustments settings or cleaning should be made securely 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 adjustm...

Page 3: ...IDE PAGE 24 4 PCB CONNECTION DIAGRAM 34 4 1 TUNER AMP UNIT 34 4 2 KEYBOARD UNIT 38 4 3 CD MECHANISM MODULE 40 5 ELECTRICAL PARTS LIST 46 6 ADJUSTMENT 55 6 1 CD ADJUSTMENT 55 6 2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT 57 6 3 TEST MODE CD 59 7 GENERAL INFORMATION 63 7 1 DIAGNOSIS 63 7 1 1 DISASSEMBLY 63 7 1 2 CONNECTOR FUNCTION DESCRIPTION 68 7 2 PARTS 69 7 2 1 IC 69 7 2 2 DISPLAY 76 7 ...

Page 4: ...ct disc audio system Usable discs Compact disc Signal format Sampling frequency 44 1kHz Number of quantization 16 linear S N 70dB or more Distortion 0 2 or less FM tuner Frequency 87 75 107 9 MHz Distortion 1 5 or less IF interference 120dB or more Image interference 50dB or more AM tuner Frequency 530 1710 kHz S N 20dB useable sensibility 28dBµ 6dBµ S N 54dB 5dB Distortion 2 0 or less IF interfer...

Page 5: ...aster Spare Parts List Screw adjacent to mark on the product are used for disassembly For the applying amount of lobricants or glue follow the instructions in this manual In the case of no amount instructions apply as you think it appropriate Mark No Description Part No 1 Polyethylene Bag CEG1317 2 Contain Box CHL5150 3 Protector CHP2755 4 Protector CHP2756 5 Protector CHP2753 6 Protector CHP2754 ...

Page 6: ...57 61 65 2 63 58 61 65 57 65 61 70 6 67 62 62 56 62 62 62 69 68 56 64 33 33 33 33 33 33 37 74 74 36 33 33 73 5 34 75 41 40 38 43 44 39 76 47 74 42 45 46 48 49 51 52 50 53 74 4 4 72 8 14 3 2 2 9 15 28 27 16 25 19 29 18 17 20 23 16 16 16 16 16 31 32 30 21 22 74 74 74 26 7 2 2 3 3 4 13 2 2 2 2 2 2 54 12 24 35 77 A B C 80 79 78 78 79 81 ...

Page 7: ...ector CN951 CKS4576 37 Holder CND1587 38 Knob Unit CXC3405 39 Grille Unit CXC3624 40 Button EJECT LOAD CAC7973 41 Button UP DOWN CAC7974 42 Button MENU CAC7975 43 Button CD CAC7976 44 Button AM FM CAC7977 45 Button MUTE CAC7978 46 Button AUX CAC7979 47 Button SCAN CAC7980 48 Button SEEK CAC7981 49 Button SEEK CAC7982 50 Button 1 3 CAC7983 51 Button 2 CAC7984 52 Button 5 CAC7985 53 Button 4 6 CAC79...

Page 8: ...DEH MG2047ZF XU UC 8 1 2 3 4 1 2 3 4 C D F A B E 2 3 MECHANISM ASSY G2B SERVICE 1 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 ...

Page 9: ...37 Lever Unit 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 CXC114...

Page 10: ...DEH MG2047ZF XU UC 10 1 2 3 4 1 2 3 4 C D F A B E 2 4 MECHANISM ASSY G2B SERVICE 2 2 1 1 1 1 1 1 1 1 1 GEM1043 2 GEM1042 G H E ...

Page 11: ...Screw Unit B CXB7518 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 ...

Page 12: ...ET VD VDCONT RESET Q81 Q823 CDPWR 38 Q819 Q820 B UP 65 ROTIN0 66 ROTIN1 74 WAKEUP TC7S8 IC 7 4 20 rotint VFCE VFBLK VFCK VFDT A TUNER AMP UNIT SCLKOUT SCLKIN 11 X601 10 XO XI 1 X301 2 st 73 DIAGNOSTICS PDH069C IC 603 ROMDATA ROMCK EPCE DSP ELECTRONIC VOLU SOURCE SELECT TUNL LOUT HA12181FP IC 431 9 3 16 asens bsens 27 21 26 AMPMUTE 25 SPEED Q822 Q821 CN723 2 B UP FAN MOTOR FANPWR 34 FAN B IC 3 EEPR...

Page 13: ...RLO 11 TC4066BF 10 IC 182 FL RL 6 7 5 7 asens ACC Q901 Q902 ASENS B UP BSENS bsens 27 21 POWER AMP FL RL FL RL FLP RLP RLN FLN 26 AMPMUTE Q101 22 Q102 Q102 MUTE HMUTE A A CN721 CDDJL CDDJ L CDDJ L 6 PHONE DJLN DJLP 5 MONO MONO PHONEN PHONEP MS CAN B MS CAN A TJA1041T 13 IC 781 CANH CANL 12 4 1 CTX CRX BUS DRIVER 1 CTX 2 CRX NJM2903V IC901 5 7 SPEED 25 SPEED SPEEDIN Q146 Q143 Q145 Q141 SWVDD MUTE R...

Page 14: ...D CN14 CN13 Q22 Q21 S21 LOAD1 S22 LOAD2 PCB UNIT LOAD 2 1 4 5 CN11 MD 23 32 33 LD LD FOP 18 TOP 20 SIN EC 40 CLAMP 36 HOME 37 LOADSW2 45 50 COP 34 COM 35 CGM 3 CGP 1 ELP 15 ELM 13 CAMOK 11 CAMLOAD 10 LED 12 ELVSNS 46 EREF 48 LOADPHT 7 LOADSW1 8 LOP 6 LOM 5 23 32 33 18 20 40 36 37 45 50 34 35 3 1 15 13 11 10 12 46 48 7 8 6 5 CONTROL UNIT G2F Q101 96 PD CD CONTROL 97 LD A C B D E F L OUT 16 IC 201 U...

Page 15: ... 14 VDD VCC2 3 3ch DRIVER C 301 BD7962FM ELV1 ELV2 ELVCONT LD1 LD2 LOCONT CG1 CG2 9 29 CONT MUTE MOTOR CONTROL 14 VD XSI XSO XSCK XSTB XAO XRST FOK LOCK TSI TSO TSCK TSTB PACK SBSY SERVO DSP I F SERVO EQUALIZER OUTPUT FD TD SD MD Q602 Q603 CD MUTE VD Q601 74 CDMUTE CN601 BSI BSO BSCK BRXEN BSRQ BRST 10 reset LOUT 37 VDCONT 9 6 3 RESET VDCONT VDD VD VD 17 18 IC 303 BA05SFP 5V REGULATOR 4 2 V 5 S 81...

Page 16: ... EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST A a A b A a A b A b A a Large size SCH diagram Guide page Detailed page B CN951 C CN601 FM AM TUNER UNIT AM NOISE BLANKER DSP DSP SYSTEM CONTROLLER FM 100 19 5dBs AM 30 29 0dBs CD 3 8dBs FM 22 5dBs AM 32 0dBs CD 0 8dBs CDDJ 0 5dBs FM 1 5dBs AM 11 0dBs CD 7 2dBs CDDJ 7 5dBs ...

Page 17: ...y factor 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 A TUNER AMP UNIT DSP AUX AMP CLIP DETECT CANBUS FAN MOTOR CXM1268 CDDJ 7 5dBs FM 24 5dBs AM 15 0dB...

Page 18: ... 18 1 2 3 4 1 2 3 4 C D F A B E A a A b A a A a A b 1 4 2 3 NO FM AM TUNER UNIT AM NOISE BLANKER DSP DSP FM 100 19 5dBs AM 30 29 0dBs FM 22 5dBs AM 32 0dBs CD 0 8dBs CDDJ 0 5dBs FM 1 5dBs AM 11 0dBs CD 7 2dBs CDDJ 7 5dBs ...

Page 19: ...DEH MG2047ZF XU UC 19 5 6 7 8 5 6 7 8 C D F A B E A a A b A a A a A b 4 5 6 7 B CN951 C CN601 DSP SYSTEM CONTROLLER CD 3 8dBs ...

Page 20: ...s indicates the importance of the safety factor 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 A TUNER AMP UNIT SP AUX AMP CLIP DETECT CANBUS CDDJ 7 5dBs ...

Page 21: ...DEH MG2047ZF XU UC 21 5 6 7 8 5 6 7 8 C D F A B E A a A b A b 4 5 6 7 SP AUX FAN MOTOR CXM1268 FM 24 5dBs AM 15 0dBs CD 33 2dBs CDDJ 33 5dBs ...

Page 22: ...DEH MG2047ZF XU UC 22 1 2 3 4 1 2 3 4 C D F A B E 3 3 KEYBOARD UNIT B CN724 A VF DRIVER 5V 5V 8 4V 13 1V 2 4V VF ...

Page 23: ...DEH MG2047ZF XU UC 23 5 6 7 8 5 6 7 8 C D F A B E B KEYBOARD UNIT B POWER VOLUME ...

Page 24: ...CN13 GR BL CN31 RE WH 6 7 8 9 5 4 3 2 1 6 7 8 9 5 4 3 2 1 CN42 CN1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 CN41 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 F PCB UNIT SIDE G PCB UNIT H PCB UNIT M2 UNIT D PCB UNIT LED E PCB UNIT LOAD PU UNIT SERVICE PX1 F T C S SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE SL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 ...

Page 25: ...8 5 6 7 8 C D F A B E C SHOCK PROOF MEMORY CONTROLLER BUFFER RAM 3 3V 5V CONVERTER 5V 3 3V CONVERTER MECHANISM CONTROLLER 5V REGULATOR 3 3V REGULATOR MUTE A CN725 C CONTROL UNIT G2F SL SL SL SL 4 PD5890A 8R2K 3R9K 51P MA152WA C b ...

Page 26: ...4 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 CN11 CN12 CN14 6 7 8 9 5 4 3 2 1 6 7 8 9 5 4 3 2 1 CN42 CN1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 CN41 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 F PCB UNIT SIDE G PCB UNIT H PCB UNIT M2 UNIT D PU UNIT SERVICE PX1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 1 T T T T T T T T T T SL SL SL SL SL...

Page 27: ...D 3 3ch DRIVER 27 28 29 30 1 2 3 4 5 CN14 CN13 GR BL CN31 RE WH 15 16 17 15 16 17 D PCB UNIT LED E PCB UNIT LOAD PU UNIT SERVICE PX1 27 28 29 30 1 2 3 4 5 6 7 8 1 2 3 1 2 3 4 5 6 7 8 F T C S SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE SL The power supply is shown with the marked box C C C C S S S F T F T T T F F F T F T 3 2 4 ...

Page 28: ... MG2047ZF XU UC 28 1 2 3 4 1 2 3 4 C D F A B E C a C b C b 1 SHOCK PROOF MEMORY CONTROLLER BUFFER RAM 3 3V 5V CONVERTER 5V 3 3V CONVERTER 3 3V REGULATOR MUTE 3R9K 51P A CN725 C CONTROL UNIT G2F SL SL SL SL ...

Page 29: ...DEH MG2047ZF XU UC 29 5 6 7 8 5 6 7 8 C D F A B E C a C b C b 2 3 MECHANISM CONTROLLER 5V REGULATOR 3 3V REGULATOR PD5890A 8R2K ...

Page 30: ...CH3 7 TEC Tracking open Note The encircled numbers denote measuring points in the circuit diagram Mode Test Mode Test CH1 5 RFO CH2 6 TE CH3 8 TDX 1 Track Jump CH1 5 RFO CH2 6 TE CH3 8 TDX 4 Track Jump Mode Test Mode Test CH1 5 RFO CH2 6 TE CH3 8 TDX 10 Track Jump Mode Test CH1 5 RFO CH2 6 TE CH3 8 TDX 32 Track Jump Mode Test ...

Page 31: ...X CH4 FG Setup Mode Normal Mode Normal CH1 STSMO CH2 6 TE Memory capacity remaining at the starting of PLAY CH1 9 FE CH2 1 FDX CH3 6 TE CH4 8 TDX During Play Mode Normal Mode Normal CH1 RFO CH2 6 TE Memory capacity remaining during PLAY Mode Normal CH1 LRCK CH2 SCKO CH3 DOUT Digital audio data x2 speed Mode Normal ...

Page 32: ... UC 32 1 2 3 4 1 2 3 4 C D F A B E CH1 LOUT CH2 ROUT Audio output 1kHz 0dB CH1 6 TE CH2 8 TDX CH3 SD CH4 4 EC During inside outside search Mode Normal Mode Normal CH1 1 FDX CH2 FOK CH3 MDX CH4 FG DISC stop Mode Normal ...

Page 33: ...DEH MG2047ZF XU UC 33 5 6 7 8 5 6 7 8 C D F A B E ...

Page 34: ... P C Board Chip Part A A TUNER AMP UNIT SIDE B SIDE A 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 C CN601 CAR HARNESS FAN MOTOR ...

Page 35: ...DEH MG2047ZF XU UC 35 5 6 7 8 5 6 7 8 C D F A B E A SIDE A IC Q FRONT B CN951 FM AM TUNER UNIT FM AM ANTENNA CAR HARNESS 1 2 3 ...

Page 36: ...DEH MG2047ZF XU UC 36 1 2 3 4 1 2 3 4 C D F A B E A A TUNER AMP UNIT IC Q 1 ...

Page 37: ...DEH MG2047ZF XU UC 37 5 6 7 8 5 6 7 8 C D F A B E A SIDE B ...

Page 38: ...DEH MG2047ZF XU UC 38 1 2 3 4 1 2 3 4 C D F A B E 4 2 KEYBOARD UNIT B B KEYBOARD UNIT SIDE A POWER VOLUME LOAD CDEJ CD AM FM MENU UP DOWN MUTE AUX SEEK SEEK SCAN 1 2 3 4 5 6 ...

Page 39: ...DEH MG2047ZF XU UC 39 5 6 7 8 5 6 7 8 C D F A B E B B KEYBOARD UNIT SIDE B IC Q A CN724 ...

Page 40: ...DEH MG2047ZF XU UC 40 1 2 3 4 1 2 3 4 C D F A B E 4 3 CD MECHANISM MODULE C C CONTROL UNIT G2F SIDE A IC Q A CN725 F CN11 REFO E F ...

Page 41: ...DEH MG2047ZF XU UC 41 5 6 7 8 5 6 7 8 C D F A B E C C CONTROL UNIT G2F SIDE B IC Q ...

Page 42: ...DEH MG2047ZF XU UC 42 1 2 3 4 1 2 3 4 C D F A B E 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 ...

Page 43: ...DEH MG2047ZF XU UC 43 5 6 7 8 5 6 7 8 C D F A B E 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 ...

Page 44: ...DEH MG2047ZF XU UC 44 1 2 3 4 1 2 3 4 C D F A B E M M3 CRG 1 30 F CN12 1 9 CN42 1 17 CN41 S41 LOAD3 H CN1 PU UNIT SERVICE PX1 L1 G G PCB UNIT ...

Page 45: ...DEH MG2047ZF XU UC 45 5 6 7 8 5 6 7 8 C D F A B E M SPINDLE S7 HOME S8 CLAMP 1 9 CN1 G CN42 C1 R2 R1 IC1 1 5 10 12 13 15 20 24 R4 R3 HE3 HE2 HE1 H H PCB UNIT M2 UNIT ...

Page 46: ...sistor DTC124EU Q 809 Transistor 2SB1185 Q 810 Transistor IMX1 Q 811 Transistor 2SC2712 Q 812 Transistor 2SB1184F5 Q 813 Transistor IMX1 Q 814 Transistor 2SB1185 Q 815 Transistor IMX1 Q 816 Transistor IMD3A Q 817 Transistor 2SD2375 Q 818 Transistor 2SD2375 Q 819 Transistor 2SB1132 Q 820 Transistor IMX1 Q 821 Transistor IMD3A Q 822 Transistor 2SD1859 Q 823 Transistor IMD3A Q 824 Transistor 2SB1185 ...

Page 47: ...16S153J R 105 RS1 16S101J R 107 RS1 16S223J R 108 RS1 16S223J R 109 RS1 16S103J R 110 RS1 16S103J R 111 RS1 16S124J R 112 RS1 16S124J R 113 RS1 16S474J R 114 RS1 16S474J R 115 RS1 16S103J R 116 RS1 16S103J R 117 RS1 16S223J Circuit Symbol and No Part No R 118 RS1 16S223J R 119 RS1 16S103J R 120 RS1 16S103J R 121 RS1 16S124J R 122 RS1 16S124J R 123 RS1 16S474J R 124 RS1 16S474J R 125 RS1 16S103J R ...

Page 48: ...S1 16S473J R 622 RS1 16S471J R 623 RS1 16S682J R 624 RS1 16S471J R 625 RS1 16S682J R 626 RS1 16S471J Circuit Symbol and No Part No R 627 RS1 16S473J R 628 RS1 16S471J R 629 RS1 16S102J R 630 RS1 16S102J R 631 RS1 16S473J R 632 RS1 16S471J R 633 RS1 16S682J R 634 RS1 16S471J R 635 RS1 16S682J R 636 RS1 16S471J R 637 RS1 16S682J R 638 RS1 16S0R0J R 639 RS1 16S0R0J R 640 RS1 16S0R0J R 641 RS1 16S0R0J...

Page 49: ...S1 16S101J R 843 RS1 16S101J R 844 RS1 16S223J R 845 RS1 16S101J R 846 RS1 16S101J R 847 RS1 16S471J R 848 RS1 16S102J Circuit Symbol and No Part No R 901 RS1 16S473J R 902 RS1 16S473J R 903 RS1 16S103J R 904 RD1 4PU102J R 905 RS1 16S223J R 906 RS1 16S473J R 907 RS1 16S102J R 908 RS1 16S103J R 909 RS1 16S103J R 910 RS1 16S105J R 911 RD1 4PU182J R 912 RD1 4PU102J R 913 RS1 16S104J R 914 RS1 16S473J...

Page 50: ...3 CKSRYB105K10 C 364 CKSRYB105K10 C 365 CCSRCH271J50 C 366 CCSRCH271J50 C 367 CCSRCH271J50 Circuit Symbol and No Part No C 368 CCSRCH271J50 C 369 CCSRCH560J50 C 370 CCSRCH560J50 C 371 CCSRCH560J50 C 372 CCSRCH560J50 C 401 CKSYB103K50 C 402 CEJQ220M10 C 403 CKSRYB103K50 C 405 CKSRYB103K50 C 406 CKSRYB103K50 C 407 CKSRYB103K50 C 408 CKSRYB682K50 C 409 CKSRYB102K50 C 410 CKSRYB332K50 C 411 CEJQ101M6R...

Page 51: ...uit Symbol and No Part No Unit Name Keyboard Unit MISCELLANEOUS IC 951 IC LC75750EHS Q 951 Transistor DTC124EU Q 952 Transistor DTC124EU Q 953 Transistor DTC124EU Q 954 Transistor DTC124EU Q 955 Transistor DTC124EU Q 956 Transistor DTA114EU D 951 Diode DAN202U D 952 Diode DAN202U D 953 Diode 1SS355 D 954 Diode 1SS355 D 955 Diode 1SS355 D 956 Diode 1SS355 D 961 LED SML 310PT KL D 962 LED SML 310PT ...

Page 52: ...stor 2SB1132 Q 601 Transistor DTC114EK Q 602 Transistor DTA123JK Circuit Symbol and No Part No Q 603 Transistor DTC314TK Q 604 Transistor DTC314TK Q 702 Transistor UMD3N D 101 Diode 1SS355 D 301 Diode S1G 6904G2P D 303 Diode S1G 6904G2P D 601 Diode MA152WA L 201 Inductor CTF1306 L 601 Inductor CTF1295 TH701 Thermistor CCX1061 X 201 Radiator 16 93MHz CSS1581 X 701 Radiator 10 00MHz CSS1428 RESISTOR...

Page 53: ...24K16 C 107 CKSRYB224K16 C 201 CKSRYB104K25 C 202 CEV220M16 Circuit Symbol and No Part No C 203 CKSRYB473K25 C 204 CKSRYB182K50 C 205 CKSRYB104K25 C 206 CKSRYB152K50 C 207 CKSRYB224K16 C 208 CCSRCH180J50 C 209 CCSRCK2R0C50 C 210 CCSRCH181J50 C 211 CCSRCH510J50 C 212 CKSRYB682K50 C 213 CKSRYB104K25 C 214 CKSRYB104K25 C 215 CKSRYB103K25 C 216 CKSRYB104K25 C 217 CKSRYB104K25 C 218 CKSRYB104K25 C 219 ...

Page 54: ...VR11 Semi fixed 1kΩ B CCP1338 RESISTORS R 11 RS1 16S562J R 12 RS1 16S562J R 13 RS1 10S391J R 14 RS1 10S391J R 15 RS1 16S0R0J R 16 RS1 16S0R0J CAPACITORS C 12 CKSRYB104K25 H Unit Number Unit Name PCB Unit M2 Unit MISCELLANEOUS IC 1 IC BA6849FS S 7 Switch HOME CSN1057 S 8 Switch CLAMP CSN1057 RESISTORS R 1 RS1 16S221J R 2 RS1 16S221J R 3 RS1 16S4R7J R 4 RS1 16S1R0J CAPACITORS C 1 CKSRYB104K16 Circui...

Page 55: ...de is turned on various protective 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 inc...

Page 56: ...N OFF CRG TR Jump Toward outer 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 4 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 2 RF AMP Gain Select 1...

Page 57: ... 5V regulator on 2 Using the SEEK UP and SEEK DOWN buttons move the PU unit to the innermost track 3 Press key 3 to close focus the display should read 91 Press key 2 to implement the tracking balance adjust ment the display should now read 81 Press key 3 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 oscillosco...

Page 58: ...DEH MG2047ZF XU UC 58 1 2 3 4 1 2 3 4 C D F A B E Grating waveform Ech Xch 20mV div AC Fch Ych 20mV div AC 45 0 75 60 30 90 ...

Page 59: ...02 05 07 01 03 Display 12 04 00 02 01 03 01 13 Disc 6 Disc 2 Disc 1 Door closes Door opens incompletely Door opens Notes To protect the mechanism from unexpected damages keep the following points in mind 1 Before moving the CAM motor from the ELV position to the LIFT position be sure to move the ELV motor to select the disc 1 to 6 2 Before moving the CAM motor from the CLMP position to the LIFT po...

Page 60: ...wed by forced ejection 3 The LOAD SW value 3 bits at the forced ejection end CAM motor FWD time out error during TRAY UP operation CAM motor REV time out error during TRAY UP operation CAM motor FWD time out error during TRAY DN operation CAM motor REV time out error during TRAY DN operation CAM motor FWD2 time out error during TRAY DN operation CAM motor FWD time out error during CRG OUT operatio...

Page 61: ...ion 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 Pincheddisc issensedduringLIFTDNoperation withintherangeof 1LSB 200mscontinued Current disc No The ELV error stop position before retry 5 CAMRST Forced ejection Door open close error LOAD SW error during ...

Page 62: ...0 FwdTo 1 RevTo 2 Chata 3 OverCnt 4 SwNg 5 SpdNg 6 Fwd2To 7 Rev2To 8 Sw2Ng 9 4 The last results of chatter check compared with the target center 8LSB 1 7LSB 2 6LSB 3 5LSB 4 4LSB 5 3LSB 6 2LSB 7 1 0LSB 8 1 0LSB 8 2LSB 9 3LSB a 4LSB b 5LSB c 6LSB d 7LSB e 8LSB f the others 0 5 Basically the value of eudpzt except for the following case In case of eudpzt 1 and door close mode eudpzt e 6 bit0 P_lo1 bi...

Page 63: ...MATION 7 1 DIAGNOSIS 7 1 1 DISASSEMBLY Fig 1 Grille Assy Removing the Grille Assy Fig 1 Fig 2 Holder Unit Removing the Holder Unit Fig 2 Remove the four screws and then remove the Holder Unit 1 1 Remove the four screws and then remove the Grille Assy 1 1 1 1 1 1 1 1 ...

Page 64: ... Remove the four screws and then remove the Chassis Unit 1 1 1 1 1 Fig 4 Tuner Amp Unit Removing the Tuner Amp Unit Fig 4 Remove the two screws 1 3 3 4 Remove the three screws 2 4 4 1 1 2 2 2 Straighten the tabs at two locations indicated 3 Remove the three screws and then remove the Tuner Amp Unit 4 ...

Page 65: ...5 Removing the Case Fig 5 1 Remove the eight screws A and then remove the Case Removing the Control Unit G2F Fig 5 1 Apply shorting solder to the PU flexible cable before disconnecting it from the connector 2 Disconnect the two connectors 3 Remove the two screws B 4 Remove the Control Unit G2F Removing the Service Mechanism Unit G2B Fig 5 1 Remove the two springs A and two springs B 2 Remove the t...

Page 66: ...nism 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 ControlUnit G2F in the product the 50 pin connector of the PCB unit Side in the CD mechanism by using the extension cable...

Page 67: ...connect 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 7 9 Apply shorting solder to the PU flexible cable befor e disconnecting it from the Connecto r 10 Disconnect the PU flexible cable from the Connector 11 Move the PU Unit PX...

Page 68: ... RUN ACC ILL ILL EHAM NC PTA FL RL RR FR FR POW GND SPEED START NC J1 CONNECTOR 17 18 19 20 21 22 23 NC SWC SWC RPA FL RL RR 24 NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CDDJ L CDDJ L CDDJ SHIELD MONO MONO ASYSON NC NC CDDJ R CDDJ R CDDJ GND CDDJ BATT MONO SHIELD NC MS CAN A MS CAN B J3 CONNECTOR 1 8 9 16 1 12 13 24 FM AM ANTENNA ...

Page 69: ...WER RECEIVER MODE CONTROL FAILURE DETECTOR WAKE UP DETECTOR VIO 1 2 3 4 5 6 7 TXD GND VCC RXD VIO EN INH STB CANH CANL SPLIT VBAT WAKE ERR 14 13 12 11 10 9 8 3 10 TJA1041T VREF 1 2 3 VDD VSS OUT S 80843CNUA B84 CS SK DI NC TEST DO GND VCC 1 2 3 4 8 7 6 5 NC VCC CS SK DI DO GND TEST Not used Power supply Chip select input Clock input Data input Data output Ground Test PDH069C IC s marked by are MOS...

Page 70: ...r switch output P BUS reset output 33 pck O Tuner PLL clock output 34 FANPWR O O Cooring FAN power output 35 IFDO 36 SD I Tuner SD input 37 IFCLK O Unicorn maestro clock output 38 CDPWR O CD unit power output 39 ROMDATA Diag EPROM data CLKout output 40 SYSPWR O O O System power controloutput 41 dsprst Unicom IC reset output I 42 err Unicom I F error input I 43 ifok Unicom I F monitor port input I ...

Page 71: ...iver local wakeup output SWC input PD5872B Pin Functions LC75750EHS Pin No Pin Name I O Function and Operation 1 3 G1 3 I Grid signal 4 VFL I VF power supply 5 92 S88 S1 O O Segment output 93 VSS GND 94 OSCO System clock output 95 OSCI System clock input 96 VDD Power supply 97 BLK Back light 98 CE CL Data control input 99 I I I Clock input 100 DI I Data input LC75750EHS 70 EVST Not used 71 FMUTE O...

Page 72: ...I spindle lock sense input 26 TXTSTB O TEXT parameter output 27 BRXEN I O P BUS Reception enable input output 28 BSRQ O P BUS Serial pole request output 29 BSO O P BUS Serial data output 30 BSI I P BUS Serial data input 31 BSCK O P BUS Clock output 32 NC O Not used 33 XSO O CD LSI data output 34 XSI I CD LSI data input 35 XSCK O CD LSI clock output 36 VDCONT O VD control output 37 LCCONT O LCD dri...

Page 73: ...n sense 1 input 82 LOADSW2 I LOAD operation sense 2 input 83 84 NC Not used 85 adena O AVREF enable output 86 CG1 O Cam motor 1 output 87 CG2 O Cam motor 2 output 88 LOADVOL2 I LOAD voltage sense 2 input 89 LOADPHT I LOAD operation photo sense input 90 LOMMON O Not used 91 ELVSENS I ELV position select input 92 EREFF ELV sense reference voltage 93 TEMP I CD Temperature sense input 94 AVSS A D conv...

Page 74: ...FLAG I RAM over flow flag input from signal processing IC 18 YFCLK I Frame clock input 19 YBLKCK I Sub code block clock input 20 NRESET I System reset input 21 ZSENSE O Micro computer interface Status output 22 VDD1 Power supply terminal 23 YDMUTE I Mute input 24 YMLD I Micro computer interface Latch clock input 25 YMDATA I Micro computer interface Serial data input 26 YMCLK I Micro computer inter...

Page 75: ...nable 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 CO...

Page 76: ...DEH MG2047ZF XU UC 76 1 2 3 4 1 2 3 4 C D F A B E 7 2 2 DISPLAY VF CAW1806 ...

Page 77: ...DEH MG2047ZF XU UC 77 5 6 7 8 5 6 7 8 C D F A B E 7 3 EXPLANATION 7 3 1 SYSTEM BLOCK DIAGRAM DEH MG2047ZF XU UC Batt ILL ACC Antenna SWC PTA Phone Rear Parking Aide Speed Signal Start GND FR FL RR RL ...

Page 78: ...2 OPERATIONAL FLOW CHART VCC 5V Pin 16 62 Power ON bsens L asens L YES bsens Pin 27 asens Pin 21 SYSPWR H Pin 40 VFPWR H Pin 3 Rotary encoder VF operative Completes power on operation After that proceed to each source operation Source ON DSP AMP operative ...

Page 79: ...ng in this product before disconnecting the power supply connector vehicle harness If discs have been removed If discs cannot be removed Set this product to the Shipment mode and then disconnect the power supply connector before shipping Disconnect the power supply connector and ship the unit with the discs loaded Setting the Shipment mode From ACC ON and CD OFF state press 1 button and SCAN butto...

Page 80: ...ATIONS RADIO PRESET CHANNEL RECALL PRESET CHANNEL MEMORY CD SEEK TUNING UP DOWN TRACK SEARCH UP DOWN SCAN POWER ON OFF VOLUME FM AM MANUAL TUNING UP DOWN DISC SELECT POWER ON OFF VOLUME CD LOAD CD EJECT CD SCAN REVERSE FAST FORWARD REPEAT COMPRESSION SHUFFLE ...

Page 81: ...DEH MG2047ZF XU UC 81 5 6 7 8 5 6 7 8 C D F A B E AUDIO POWER ON OFF VOLUME MUTE AUDIO MODE SELECT BALANCE FADER BASS TREBLE CLOCK ADJUST MODE AUDIO MODE ADJUSTMENT CLOCK ADJUSTMENT ...

Page 82: ...leaning liquid Cleaning paper Extension cable TCD 784 GEM1004 GED 008 GGD1250 Checking the grating g g g Checking the grating g g g Two pieces Cleaning CD pickup lenses g p p Cleaning CD pickup lenses and fans g p p Cautions on replacing the CD mechanism unit Name Jig No Remarks ...

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