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DXZ745MP/DXZ746MP

PRINTED WIRING BOARD

CD PWB(B4) / LED PWB(B5) section

TO PAGE 21 J2 OF 
Main PWB(B1)

Summary of Contents for DXZ746MP

Page 1: ...average power output 18Wx4 into 4ohm 20Hz to 20kHz 1 THD DXZ745MP Model PE 2619K A B for Other Countries Bass control action 16dB 12dB 50Hz 80Hz 120Hz Treble control action 12 12dB 8kHz 12kHz Line output level 4V CD 1kHz General Power supply voltage 14 4V DC 10 8 to 15 6V allowable negative ground Current consumption Less than 15A Speaker impedance 4ohm 4ohm to 8ohm allowable Weight Source unit 1 ...

Page 2: ...e 7 Turn the unit OFF during disassembly and parts replacement Recheck all work before you apply power to the unit 8 Cautions in checking that the optical pickup lights up The laser is focused on the disc reflection surface through the lens of the optical pickup When checking that the laser optical diode lights up keep your eyes more than 30cms away from the lens Prolonged viewing of the laser wit...

Page 3: ...coded properly Use MP3 WMA files encoded properly Reset button No sound heard MP3 WMA files are absent in a disc Write MP3 WMA files onto the disc properly Files are not recognized as an MP3 WMA file Use MP3 WMA files encoded properly File system is not correct Use ISO9660 level 1 2 or JOLIET or Romeo file system Sound is bad directly after power is turned on Water droplets may form on the interna...

Page 4: ...OR 6 A DISC inside the DVD changer cannot be played because it is loaded upside down Eject the disc then reload it properly ERROR P Parental level error Set the correct Parental level ERROR 2 A DISC inside the DVD changer cannot be played This is a failure of DVD mechanism Region code error Eject the disc and replace correct region code disc DVD CH ERROR R AMP GUARD The speaker protection circuit ...

Page 5: ...RAM Main section ISOLATE CIRCUIT MECH CD MP3 WMA IC1 J601 IC602 IC309 IC304 IC305 Q244 250 Q701 702 S723 IR701 IC704 Q242 IC230 Q248 229 Q231 Q213 Q227 Q230 IC606 FIL301 IC604 IC306 IC401 IC280 IC308 IC301 M30622MWP 128GP MASTER CPU ...

Page 6: ... signal output pin 43 MP3 RESET O MP3 reset signal output pin 44 E INT IN The emphasis data input for the digital audio interface receiver pin 45 INIT 1 IN The initial setting input pin 46 MAIN_0Bit_MUTE O When main zone CD mode the port HI pin 47 FIL CONT 1 O The cut off control signal output to the filter pin 48 FIL CONT 2 O The cut off control signal output to the filter pin 49 PLL CE O The chi...

Page 7: ... PLCK pin 15 TMAX S O T max judgment output pin 16 TMAX O T max judgment output pin 17 LPF N IN Inverted input of LPF for PLL pin 18 LPF OUT O The output terminal for the Low Pass Fil ter pin 19 P Vref PLL reference voltage pin 20 VCO FILTER O Loop filter for VCO pin 21 VCO Ref IN VCO reference voltage input pin 22 DTC N O For the analog slicer pin 23 DTC P O For the analog slicer pin 24 PLL VSS P...

Page 8: ...U O Not in use pin 45 C SD IN Serial data input from CD IC pin 46 NU IN Not in use pin 47 MS SI IN Serial data input from Master Computer pin 48 C DAC BCK O Bit clock output for the internal DAC of CD IC pin 49 MS SCK IN Serial clock input from Master Computer pin 50 VSS Negative supply voltage pin 51 NU O Not in use pin 52 VDD Positive supply voltage pin 53 C DAC LRCK O LR clock output for the in...

Page 9: ...2uF C 9 168 2232 55 0 022uF C 134 166 2211 50 220pF C 322 163 2253 65 50V 2 2uF C 10 168 6822 55 6800pF C 135 166 2211 50 220pF C 323 168 3322 55 3300pF C 11 042 1631 50 10V 100uF C 136 166 2211 50 220pF C 324 163 1063 35 16V 10uF C 12 042 1631 50 10V 100uF C 137 166 2211 50 220pF C 325 168 1022 55 1000pF C 16 168 1042 78 0 1uF C 201 042 1545 00 16V 2200uF C 326 168 6832 78 0 068uF C 18 163 1053 6...

Page 10: ...8 125 2199 93 KRC103S C 448 168 1042 78 0 1uF IC 605 051 5437 08 S 80821ANMP Q 201 102 3420 00 2SC3420 C 449 168 1042 78 0 1uF IC 606 051 0869 55 NJM2103M Q 202 108 0241 50 2SK241 C 450 163 2273 25 10V 220uF J 2 074 1138 70 20P Q 210 125 3007 90 KTA1298 C 451 163 1073 15 6 3V 100uF J 201 074 1214 00 16P Q 211 125 2199 96 KRC106S C 456 163 1063 35 16V 10uF J 601 074 1194 00 13P Q 212 125 3004 90 KT...

Page 11: ... 114 119 2291 15 1 16W 2 2ohm R 350 119 2711 15 1 16W 270ohm R 637 119 1041 15 1 16W 100Kohm R 115 119 2291 15 1 16W 2 2ohm R 351 119 2711 15 1 16W 270ohm R 638 119 4731 15 1 16W 47Kohm R 116 119 2291 15 1 16W 2 2ohm R 352 119 2711 15 1 16W 270ohm R 639 119 4721 15 1 16W 4 7Kohm R 121 119 4721 15 1 16W 4 7Kohm R 353 119 4721 15 1 16W 4 7Kohm R 640 119 3331 15 1 16W 33Kohm R 122 119 4721 15 1 16W 4...

Page 12: ...6V 10ohm TAN Q 706 192 2712 00 TRANSISTOR R 740 119 2711 15 1 16W 270ohm C 708 042 0671 00 16V 4 7ohm TAN Q 707 192 2712 00 TRANSISTOR R 741 119 1031 15 1 16W 10Kohm C 710 168 1042 78 0 1uF Q 708 125 2199 93 KRC103S R 742 119 2221 15 1 16W 2 2Kohm C 711 042 0671 00 16V 4 7ohm TAN Q 709 125 3007 90 KTA1298 R 743 119 1031 15 1 16W 10Kohm C 718 168 1022 55 50V 1000pF Q 710 125 2017 96 RN1426 R 744 11...

Page 13: ...8 1 32W 3 3kohm x4J D 1 001 2610 90 SQT343 D 2 001 2610 90 SQT343 D 3 001 2610 90 SQT343 D 4 001 2610 90 SQT343 D 5 001 2610 90 SQT343 D 6 001 2610 90 SQT343 D 7 001 2610 90 SQT343 D 101 001 0367 91 1SS226 IC 1 051 7518 18 SN74LVC139APWR IC 2 051 3315 90 TPS76316DBVR IC 3 051 7239 38 SN74AHCT08PWR IC 4 051 7518 18 SN74LVC139APWR IC 5 051 5441 08 BD4828G TR IC 6 051 6700 00 TMS320DA140 IC 7 051 720...

Page 14: ...298 81 INDICATOR LCD 1 382 6842 02 BUTTON PE 2619K A B 1 1 38 347 7252 00 FILM 1 1 8 382 6841 01 BUTTON PE 2619B A 1 1 39 347 7157 00 FILM 1 382 6841 00 BUTTON PE 2619K A B 1 1 40 335 7051 00 ILLUMI PLATE 1 1 9 380 5581 00 KNOB CVR 1 1 41 347 7158 00 REFLECTOR 1 1 10 345 5364 00 RUBBER RING 1 1 42 335 7052 00 LCD HOLDER 1 1 11 347 6988 00 DOUBLE FACE 1 1 43 345 5421 00 RUBBER CONNECTOR 1 1 12 380 ...

Page 15: ... 7 335 6904 00 ARM COVER 1 28 750 3304 20 SPRING 1 8 716 1468 20 SCREW M2x2 5 10 29 854 4380 01 EX LEAD 1 9 335 7176 00 HOOK 1 30 309 0772 02 FRONT PLATE 1 10 750 3431 02 SPRING 1 31 613 0719 00 ARM GEAR 1 11 341 1802 00 SHAFT 1 32 750 3432 00 SPRING 1 12 335 6499 00 CN CVR 1 33 613 0720 00 HUS GEAR 1 13 370 5935 07 INNER ES 1 34 746 0768 20 WASHER 1 0x0 5 1 14 331 3117 01 LEVER UP 1 35 613 0717 0...

Page 16: ...NK 1 43 347 6705 00 INSULATOR 1 15 313 1715 20 HEAT SINK 1 44 347 5918 00 INSULATOR 1 16 313 1845 00 HEAT SINK 1 45 716 0717 10 SCREW M2 3x3 2 17 313 1844 01 HEAT SINK 1 46 731 3006 80 TAPTIGHT M3x6 9 18 013 7106 00 DETECTOR SWITCH 1 47 714 2603 80 MACHINE SCREW M2 6x3 7 19 331 3378 00 SW HOLDER 1 48 816 2626 50 FLAT CABLE 1 20 331 2255 20 IC HOLDER 1 49 780 2005 00 SCREW M2x5 2 21 855 5488 50 PCA...

Page 17: ...20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 57 42 I1 I2 D2 D1 H6 H7 K1 K2 C3 67 H5 H4 32 29 H6 B1 H1 H2 H3 G13 D1 50 D2 G12 H2 H1 H3 44 A4 A5 E2 G2 G14 G5 G1 G3 E1 G4 M1 G9 G8 G11 C5 C2 G1 I2 C1 45 45 45 45 H6 C5 C2 C3 K1 K2 K3 K4 G12 G4 A1 G13 B1 B2 66 E1 E2 3 6 3 2 3 1 3 3 3 4 3 5 3 7 ...

Page 18: ... 1 27 621 0620 20 THREAD GEAR A 1 28 621 0621 20 THREAD GEAR B 1 29 621 0622 21 ROLLER SLEEVE 2 30 621 0623 23 LS HOLDER 1 31 621 0624 22 GUIDE RAIL 1 32 621 0629 20 LOADING ROLLER 2 33 621 0709 20 SH BASE 1 34 621 0718 21 ROLLER GUIDE 1 35 621 0719 20 ROLLER GEAR 1 36 621 0720 20 ROLLER GEAR C 1 37 621 0721 20 ROLLER GEAR D 1 38 621 0723 20 IDLE CASE 1 39 621 0724 21 GEAR BASE 1 40 622 1660 20 RO...

Page 19: ... 19 DXZ745MP DXZ746MP PRINTED WIRING BOARD CD PWB B4 LED PWB B5 section TO PAGE 21 J2 OF Main PWB B1 ...

Page 20: ...NTED WIRING BOARD Sub PWB B2 Switch PWB B3 section Sub PWB B2 1 2 11 12 1 2 11 12 1 1 1 TO PAGE 21 P500 OF Main PWB B1 TO PAGE 21 P501 OF Main PWB B1 Switch PWB B3 TO PAGE 21 J602 OF Main PWB B1 1 38 39 64 65 102 103 128 1 1 16 ...

Page 21: ...1 18 1 10 23 3 4 5 6 7 8 9 10 11 12 13 2 1 1 2 3 4 5 6 7 8 9 10 11 12 13 GND BUS 14V L CH BUS R CH R CH SYS ACC BUS L CH ILLUMI To Inner Escutcheon section MOTOR ASSY 1 2 11 12 1 2 11 12 TO PAGE 20 P500 OF Sub PWB B2 TO PAGE 20 P501 OF Sub PWB B2 PE 2619K A B PE 2619B A WHT RED RED WHT WHT RED WHT RED BLK GRY PUR 855 5424 50 855 5488 50 LEFT RIGHT LEFT RIGHT LEFT LEFT RIGHT FRONT REAR NON FADER AU...

Page 22: ...TO Main PWB B1 4 4 PAGE 25 0 0 0 0 EJECT 0 FNC 0 8 OTHER 4 3 9 9 5 0 5 2 0 5 2 5 2 4 7 0 0 5 2 8 8 OTHER 8 5 SLOPE MOVE 6 4 9 8 14 0 10 4 10 5 5 2 14 1 14 6 13 3 5 3 5 3 6 0 13 3 13 8 14 0 14 0 0 13 6 13 0 5 3 0 5 3 0 13 2 13 6 13 6 5 2 1 6 2 1 0 4 3 B U ON 5 2 OFF 0 5 2 2 1 0 4 5 5 2 5 2 ILL ON 0 7 OFF 0 ILL ON 14 4 OFF 0 PHONE ON 4 6 OFF 5 2 PHONE ON 4 6 OFF 5 2 5 2 0 5 2 0 5 3 5 2 5 2 5 24 0 IL...

Page 23: ...ER 4 8 FM SEEK 0 2 01 3 0 FM TUNER 2 6 FM SEEK 5 2 AM TUNER 0 AM SEEK 5 2 0 0 4 0 4 0 AM 8 3 FM 0 AM 0 FM 8 3 5 2 2 4 0 2 4 5 2 0 0 0 0 2 4 FM 8 2 AM 0 2 FM 0 2 AM 8 2 0 0 0 0 0 0 0 0 0 8 3 7 9 MUTE ON 0 7 OFF 0 MUTE ON 0 7 OFF 0 MUTE ON 0 7 OFF 0 MUTE ON 0 7 OFF 0 4 2 4 2 0 0 4 2 4 2 0 4 2 4 2 0 0 MUTE ON 2 1 OFF 0 0 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 TO PAGE 25 P500 OF Main PW...

Page 24: ... B1 2 4 PAGE 23 TO Main PWB B1 1 4 PAGE 22 TO Main PWB B1 2 4 PAGE 23 TO Main PWB B1 1 4 PAGE 22 8 1 7 9 8 0 0 2 7 6 8 8 6 8 CD 5 1 OTHER 0 CD 2 5 OTHER 0 CD 2 5 OTHER 0 5 3 5 3 0 0 0 1 7 1 7 1 6 1 7 0 0 3 3 3 3 CD 5 1 OTHER 0 CD 5 1 OTHER 0 4 3 4 3 4 3 4 3 4 3 4 3 4 3 0 0 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 8 3 4 5 4 5 4 5 8 3 4 5 4 5 4 5 8 3 14 0 13 8 ...

Page 25: ... 2 4 2 4 2 4 2 5 2 6 8 4 2 4 4 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 0 1 2 4 3 4 4 5 8 4 8 5 7 4 5 4 4 0 7 4 6 4 4 4 6 0 4 4 4 5 8 3 4 5 4 5 4 5 0 8 3 4 5 4 5 4 5 5 3 7 6 3 to 0 MUTE OFF 0 ON 5 2 MUTE ON 0 OFF 3 0 MUTE ON 2 1 OFF 0 0 0 8 5 5 0 2 8 3 3 2 8 13 9 2 7 0 2 7 12 6 3 1 3 1 0 3 1 3 1 2 6 2 7 0 2 7 13 8 2 7 4 9 2 7 0 5 2 PHONE ON 0 OFF 5 3 2 7 ACC ON 13 9 OFF 0 RADIO 14 3 OTHER 0 13 8 IL...

Page 26: ...witch PWB B3 section 26 DXZ745MP DXZ746MP TO PAGE 22 J602 OF Main PWB B1 0 9 9 EJECT 0 OTHER 4 3 FUNC 0 8 5 0 5 2 3 to 4 0 0 to 2 5 0 to 2 5 0 to 2 5 0 to 3 4 0 to 3 4 0 to 3 4 9 7 9 7 9 7 BACK LIGHT ON 5 2 OFF 0 2 9 to 3 9 ...

Page 27: ...CIRCUIT DIAGRAM 6 7 CD PWB B4 section 1 2 27 DXZ745MP DXZ746MP TO PAGE 22 J2 OF Main PWB B1 TO CD PWB B4 2 2 PAGE 28 TO CD PWB B4 2 2 PAGE 28 TO CD PWB B4 2 2 PAGE 28 ...

Page 28: ...RAM 7 7 CD PWB B4 LED PWB B5 section 2 2 28 DXZ745MP DXZ746MP LED PWB A B5 LED PWB B B5 TO CD PWB B4 1 2 PAGE 27 TO PICK UP ASSY SPD MOTOR ASSY SMA 182 100 POW MOTOR ASSY SMA 183 100 816 2624 50 FLAT WIRE CD PWB B4 ...

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