Onkyo-DX7555-cd-sm维修电路原理图.pdf

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1、DX-7555 SERVICE MANUALSERVICE MANUAL COMPACT DISC PLAYER Black, Silver and Golden models MODEL DX-7555 Ref. No. 3911 122005 / 092006 230-240V AC, 50Hz 230-240V AC, 50Hz 220-230V AC, 50/60Hz 220-230V AC, 50/60Hz 120V AC, 60Hz 120V AC, 60Hz 120V AC, 60Hz BMPP SMPP GMGT GMGR GMDT BMDC SMDC RC-625C ONST

2、ANDBY SEARCH 123 456 789 MEMORY ENTER DISPLAYDIMMER SETUP RANDOM REPEAT ENTER OPEN/CLOSE 1010/0CLR SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE THESE COMPONENTS WITH ONKYO PART

3、S WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL. MAKE LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER. RadioFans.CN 收音机爱 好者资料库 DX-7555 SPECIFICATIONS Signal readout : Freque

4、ncy response : SN ratio : Audio dynamic range : THD (total harmonic distortion) : Audio output Digital optical : Audio output / Impedance Digital coaxial : Audio output / Impedance Analog : Power supply : Power consumption : Standby power consumption : Dimensions (W x H x D) : Weight : Operation con

5、dition Temperature, humidity : Supported discs : Optical non-contact 2 Hz - 20 kHz 111 dB 100 dB 0.0027% -22.5 dBm 0.5 Vp-p, 75 ohm 2.0 V (rms), 470 ohm AC 230 - 240 V, 50 Hz AC 220 - 230 V, 50/60 Hz AC 120 V, 60 Hz 16 W / 14 W European : 0.5 W North American : 0.3 W Others : 0.4 W / 0.3 W 435 x 111

6、 x 405 mm 8.0 kg 5 - 35 , 5 - 85 % (no condensation) CD, CD-R, CD-RW, MP3 (Discs that have not been properly finalized may only be partially playable or not playable at all.) Specifications and appearance are subject to change for improvement without prior notice. RadioFans.CN 收音机爱 好者资料库 DX-7555 SER

7、VICE PROCEDURE-1 PROTECTION OF EYES FROM LASER BEAM DURING SERVICING PRECAUTIONS This set employs a laser. Therefore, be sure to follow carefully the instructions below when servicing. WARNING! SERVICE WARNING : DO NOT APPROACH THE LASER EXIT WITH THE EYE TOO CLOSELY. IN CASE IT IS NECESSARY TO CONF

8、IRM LASER BEAM EMISSION, BE SURE TO OBSERVE FROM A DISTANCE OF MORE THAN 30cm FROM THE SURFACE OF THE OBJECTIVE LENS ON THE OPTICAL PICKUP BLOCK. Laser Diode Properties Material: GaAS/GaAlAs Wavelength: 760-800nm Laser output: max. 0.5mW* Emission Duration: continuous *This output is the value measu

9、red at a distance about 1.8mm from the objective lens surface on the Optical Pickup Block. LASER WARNING LABEL The labels shown below are affixed. 1. Warning label 2. Class 1 label LUOKAN 1 LASERLAITE KLASS 1 LASER APPARAT CLASS 1 LASER PRODUCT Printed on rear panel 1. Ground for the work-desk. Plac

10、e a conductive sheet such as a sheet of copper (with impedance lower than 10 Mohm) on the work- desk and place the set on the conductive sheet so that the chassis can be grounded. 2. Grounding for the test equipments and tools. Test equipments and toolings should be grounded in order that their grou

11、nd level is the same the ground of the power source. 3. Grounding for the human body. Be sure to put on a wrist-strap for grounding whose other end is grounded. Be particularly careful when the workers wear synthetic fiber clothes, or air is dry. 4. Select a soldering iron that permits no leakage an

12、d have the tip of the iron well-grounded. 5. Do not check the laser diode terminals with the probe of a circuit tester or oscilloscope. DANGER: INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCK FAILED OR DEFEATED. AVOID DIRECT EXPOSURE TO BEAM. CAUTION: HAZARDOUS LASER AND ELECTROMAGNETIC RADIATION

13、WHEN OPEN AND INTERLOCK DEFEATED. ATTENTION: RAYONNEMENT LASER ET ELECTROMAGNETIQUE DANGEREUX SI OUVERT AVEC LECLENCHEMENT DE SECURITE ANNULE. DX-7555 SERVICE PROCEDURE-2 FL display -0 0:00NO DISC - FL display MA 050830ASRV 5805AMODEL00 00- Front panel - Bottom view - Lever NO DISC- 1. Initialize th

14、e unit. (1) Press and hold down the STOP button, then press the FF (fast forward) button. All segments light up. (2) Press and hold down the STOP button, then press the PUSH TO ENTER (JOG) button. (3) Press the POWER button to turn off the unit. (4) Disconnect the AC power cord from a wall outlet. 2

15、. Check the version of Main microprocessor (Q8005) and Servo microprocessor (Q1001). (1) Connect the AC power cord into a wall outlet. (2) Press the POWER button to turn on the unit. (3) Change into the state of NO DISC. (4) Press and hold down the STOP button, then press the FF (fast forward) butto

16、n twice. The first press lights up all segments. Main microprocessor version - Servo microprocessor version (5) Press the POWER button to turn off the unit. (6) Disconnect the AC power cord from a wall outlet. 3. Setting position before shipment. (1) POWER button : OFF (2) PHONES LEVEL : MIN. 4. Tak

17、e out the Disc. If cannot take out the disc, please take out disc as follows. (1) The lever in the direction of the arrow. (2) The tray is slowly drawn out by the hand. DX-7555 EXPLODED VIEW DX-7555 A026 x 3 pcs. A024 x 4 pcs. A104 x 3 pcs. A012 x 3 pcs. A012 x 6 pcs. A012 x 6 pcs. A012 x 2 pcs. A01

18、2 x 5 pcs. A070 x 2 pcs. A014 x 4 pcs. A076 x 4 pcs. A060 x 2 pcs. A016 x 4 pcs. A103 x 4 pcs. A074 x 4 pcs. A074 x 8 pcs. A060 x 2 pcs. A136 x 2 pcs. A088 x 2 pcs. A030 x 2 pcs. A105 x 4 pcs. A012 x 10 pcs. E004 A012 x 2 pcs. A018 A090 A066 A090 A020 A044 A010 A048 A042 A058 A002 A056 U05 U08 U09 U

19、01 U10 U02 U06 P1002 P7001 U07 A012 A028 A124 A141 A141 A126 E012 L001 A141 A073 E011 A006 A004 A090 A090 A090 A012 A090 A128 A052 A040 A032 A068 A034 A108 A100 A062 A036 A038 U03 U04 T902 A109 A110 x 10 pcs. A072 x 3 pcs. A130 E006 Z008 P1003 A102 P901 A901 A A B C B C D D Refer to EXPLODED VIEWS O

20、F MECHANISM With MECHANISM DX-7555 EXPLODED VIEWS OF MECHANISM-1 CD LOADER MECHA. Z001 : MGD-34 Parts No. 24800055C 33 Z002 12 25 06 26 16 05 20 x 2 15 18 x 2 09 11 08 Z006 x 2 Z006 Z003 x 2 Z003 14 04 30 17 22 18 24 01 07 18 x 2 13 18 x 2 21 21 Z006 19 03 03 28 02 32 10 19 20 23 31 x 2 Z005 Z004 x

21、2 (Gold) (Silver) Z007 Z005 Z003 (Silver) 18 Drive unit : KSM-213CLCM Refer to EXPLODED VIEWS OF MECHANISM-2 CD MECHA. = Loader mecha. : MGD-34 + Drive unit : KSM-213CLCM DX-7555 51 54 5553 56 57 58 61 52 PARTS LIST REF. NO.PART NO. (SN)DESCRIPTION 51 52 53 54 55 56 57 58 61 Motor chassis assy Motor

22、 gear assy Sled shaft Gear (A) (S) P2 x 3, Screw Leaf switch Motor PC board Connector 6pin KSS-213C, Pickup EXPLODED VIEWS OF MECHANISM-2 CD DRIVE UNIT : KSM-213CLCM X-2625-877-1 X2625-769-1 2626-908-01 24810023 7621-255-15 24840008 1639-678-12 1-564-722-11 8848-483-05 QTY 1 1 1 1 2 1 1 1 1 OK NG DX

23、-7555 SCHEMATIC DIAGRAMS-1 DX-7555 A 1 2 3 4 5 BCDEFGH DACLRCK DACDATA DACBCK CDSCORI VDD_CPU VDD_CPU CDSVSO CDSVCK CDSVREFLASHHS FLASHCK FLASHO FLASHRST FLASHI VDSPD3.3V CDDATA2 IREQ C2PO MNT2 MNT1 MNT0 FLASHVPI VDD_CPU CDOPENSW CDCLOSESW RFAC VC VDDC1.8V/2.5V VDSPD3.3V DOUT ACM_H ACM_L DIS_COM+5V

24、CDSVRST VDDC1.8V/2.5V HP_-B VDSPD3.3V +B_R +B +B_L D+3.3V ACLOCKADJ ACLOCKADJ ACK_1 CDFOK CDSCORI ACK1 CDRESET CDXLAT1 CDCLOK2 CDCLOCK_1 CDDATA_1 CDDATA2 CDOPEN CDCLOSE CDCLOSESW CDOPENSW CDSVRQ CDSENS_1 CDDATA_1 IREQ_1 CDSVRQ CDSVCK DAC_SDO DAC_RST CDFOK_1 CDCLOSESW CDOPENSW CDCLOSE CDOPEN CDXLT_1

25、EXCLK EXCLK CDANAMUT CDSVRQ EXCLK SO_1 SI_1 CL_1 REQ_1 ACLOCKADJ_1 SYS_+5V CDRESET REQ SYS_GND CDSVRQ CDSVAK CDSVRST BACK_UP_EV5V K0_1 REMO_IN_1 INT_K0_1 test CDSVAK CDSVRE CDSVRST RST RI_OUT RST RI HP_MUTE HP_OUTR MUTE_-B AMUTE MUTE_R HP_MUTE VSW_CPU EV_GND EV+5V BACK_UP_EV5V STBY_LED REMO_IN_1 P-S

26、UPPLY MUTE_L DIS_COM+5V FL_AC_L FL_AC_H FL_AC_H FL_AC_L DIS_COM+5V SRDR TFDR TRDR FFDR FRDR SSTOP SP- SP+ SL+ SL- VDDM CDFOK LD E F A B C D SSTOP PD VCONT_MPU VD+3.3V +3.3V DSP_+8VVSW8V LD- LD+ AVD1_+3.3V XTAI CDSENS ACK VC -B_R test REQ_1 SO_1 SI_1 CL_1 OP_+8V K0_1 ACK_1 BACK_UP_EV5V P-ON EV EV_GND

27、 VC VDDPIC SUB_RST SUB_CL SUB_SI SUB_SO EV_GND SUB_REQ REMO_IN LED K0 INT_K0 -VDISP -VDISP_GND FLAC1 FLAC2 VDDPIC CDSVSI CDXLAT_2 CDXLAT_1 SFDR -B -Vdisp_C STBY_LED DAC_LAC DAC_CLK CDSVRST_1 CDSVSI CDSVCK CDSVSI CDSVSO AC_-VDISP AC_-VDISP PDSENS PDSENS B D F LD PD E A C CDRESET TFDR TRDR FRDR FFDR S

28、L+ SL- SP- SP+ CLK2V DAC_SCLK DIS_COM+5V EV+5V CLK3.3V MUTE_+B REQ CDRESET OP_+8V OP_+8V OP_+8V_1 MUTE_+B_1 MUTE_+B A+5V VDSPD3.3V MECHA_+B MECHA_+B SUBRST_1 SUBRST_1 TR+ TR- FO+ FO- FLASH_VPI GNDD GNDD GND_CPU GND_CPU GNDD GND_CPU DSP_GND DIS_GND GNDD MUTEGND GND_CPU MUTEGND SUB_GND -VDISP_GND_1 DI

29、S_GND GNDD LD_GND GNDD GNDD GNDM DGND DSP_GND DIS_GND GNDD GND GND GNDM GND_CPU GND_CPU P_GND EV_GND_1 EV_GND_1 GNDM DIS_GND -VDISP_GND_1 MUTE_GND GNDM APGND DGND APGND MUTE_GND_1 -VDISP_GND_1 GNDM INT_K0_1 CDCLOCK_1 CDSVRE CDSVSO MUTE_GND_2 MUTE_GND_2 MUTE_GND_3 +5V GND_D DOUT_1 P-ON K0_1 DAC_LAC D

30、AC_RST DAC_SDO DAC_CLK RI_IN P-OFF_1 P-OFF P-OFF -B_HP +B_HP AOUTL AOUTR HP_+B A_GND HP_OUTL HP_-B P_GND CDCLOK_2 CDDATA_2 JL0002 JL0001 JL0004 JL0003 TRACKING LD VR FO- E D A B C F 2.5V 5V VC +5V LD-G PD FOCUS TR- TR- FO+ INSW LD+ LD- DGND OUTSW M pick short terminal SSTOP 3.3V SL- SL+ SP- SP+ M M

31、SERVO_+5V Back up circuit RI DIGITAL OUT no saving mode Only 0R3005 NC C3014 104NC UJJ ELSE U3002NC NCR3006 0 CXD3014ARCXD3014R R8057 R8060 0 ohm 0 ohm NC NC C2035NM R2046 15K C2034 102 C2033NM C2005 104Z TP2003 MIRR TP2004 DFCT TP2001 COUT TP2005 LOCK 5 R1038 100 C1019 P2004 1 CPUGND 2 CDSVSO 3 CDS

32、VSI 4 CDSVCK 5 RST 6 EV5V 7 Vpp/test 8 NC P2001Error_Rate 1 2 3 4 5 6 C1016 R1017 1K R1018 10K R1020 C1014 C1013 R1008 10K R1007 10K 1.5 to 1.6 TP2006 R2056 3.3K R2051 10K R2052 470K C2046 332 R2060 15K 3.3 R2062 470K C2061 101 R2036 0 C2011 104Z C2016 104Z R2014 22 R2015 22 C2028 104Z R2028 10K R20

33、26 0 P7002 1 2 3 4 5 6 7 8 C9021 470/16 + C4011 332 C8009 104Z R8047 100 R10671K R10701K R10641K D1001 1SS355 R1049 390 C8008 104Z TP1001CDRW C9025 104J 5 R4066 560K R20480 R20490 R20500 R2044 15K R2043 0 R2045 0 R20410 R20400 3.3 R2019 0 P001B 1 2 3 4 5 6 C3009 C3010 C3008 C3001 224 C3013 104 C3012

34、 330/16 + Q8003 RN1407 Q3001 74HCU04AF 7GND 6 5 4 3 2 114 VCC 13 12 11 10 9 8 Q1002 TC7WT241FU 1 G 2 A1 3 Y2 4 GND 5 A2 6 Y1 7 G 8 VCC Q1003 TC7WT241FU 1 G 2 A1 3 Y2 4 GND 5 A2 6 Y1 7 G 8 VCC Q1004 TC7WT241FU 1 G 2 A1 3 Y2 4 GND 5 A2 6 Y1 7 G 8 VCC Q8004 S-80145CLMC 3 NC 2 VSS 1 DS 5 VCC 4 OUT Q8002

35、BR93L56F-WE2 5 DI 6 DO 7 GND 8 NC 1 NC 2 Vcc 3 CS 4 SK Q1005 TC7WZU04FU 5 6 7 8 VD 1 2 3 4 GND Q2001 BD7931F 1 VCC 2 M+ 3 M- 4 POWGND 5 PREGND 6 CONT 7 REV_IN 8 FWD_IN Q2003 CXD3014R 31 MIRR 32 DFCT 33 FOK 34 DVSS4 35 DVDD5 36 DVSS5 37 LOCK 38 MDP 39 SSTP 40 IOVSS4 41 SFDR 42 SRDR 43 TFDR 44 TRDR 45

36、 FFDR 46 FRDR 47 IOVDD1 48 AVD1 49 AVS1 50 E 51 F 52 TEI 53 TEO 54 FEI 55 FEO 56 VC 57 A 58 B 59 C 60 D 61 AVD2 62 RFDCO 63 PDSENS 64 AC_SUM 65 EQ_IN 66 LD 67 PD 68 RFC 69 AVS2 70 RFACO 71 RFACI 72 AVD3 73 BIAS 74 ASYI 75 ASYO 76 VPCO 77 VCTL 78 AVS3 79 CLTV 80 FILO 81 FILI 82 PCO 83 SRAMVSS1 84 SRA

37、MVDD1 85 SRAMSTB 86 DVDD1 87 DVSS1 88 TEST1 89 DATA 90 CLOK2 91 VSS2 92 VDD2 93 TEST2 94 TEST3 95 TEST4 96 TEST5 97 TEST6 98 DVSS2 99 DVDD2 100 IOVDD2 101 DOUT 102 TEST 103 TEST 104 IOVSS2 105 PLLAVD 106 PLLAVS 107 XVSS 108 XTAO 109 XTAI 110 XVDD 111 AVD4 112 AOUT1 113 VREFL 114 AVS4 115 AVSS 116 VR

38、EFR 117 AOUT2 118 AVD5 119 IOVDD3 120 IOVSS3 1 LRCK 2 LRCKI 3 PCMD 4 PCMDI 5 BCK 6 BCKI 7 XTACN 8 XRST 9 DVSS3 10 IREQ 11 CLOK 12 DATA2 13 XLAT2 14 REQ 15 ACK 16 XLAT 17 DVDD3 18 SRAMVSS3 19 SRAMVDD3 20 SENS 21 WFCK 22 XUGF 23 XPCK 24 GFS 25 C2PO 26 SCOR 27 DVDD4 28 COUT 29 SRAMVSS4 30 SRAMVDD4 Q400

39、5 NE5532AP 6 5 7 Q4002 NE5532AP 3 2 1 P2005 8 NC 7 Vpp/test 6 EV5V 5 RST 4 CDSVCK 3 CDSVSI 2 CDSVSO 1 CPUGND Q7003 2SD1644 Q7002 2SD1644 Q9005 UPC29M33HF 2G 1I3 O Q2005 MPD120N25T1B 1 O 3 I 2 G D9005 RL1N4003 D9006 RL1N4003 D9004 RL1N4003 C8002 2.2/50 + D8002 D9001 UDZS4.7B D8008 D8003 UDZS5.6B Q800

40、1 RN2403 D8001 D7001 RL1N4003 C7002 104J L3001 BLM21B222SPT L3002 BLM21B222SPT R8011 470 L8001 BLM21B222SPT T3001 NSRF-2046 U3001 TOTX141 1 GND 2 V 3 IN P3101 RI_JACK 3 2 1 4 P9033From_S_PT 1 2 3 4 5 P9001 For_M_PT 1 2 3 4 5 6 7 P2002 for_Jitter_Measure 2 1 P703 For_Freq_Measure 2 1 C8011 0.1F + D80

41、07 D8006 R2020 22K C2014 472 C2004 104Z R2007 5.6K C2043 104Z C2007 104Z C9007 C9009 C2006 104 C2054 C4027 104J C4025 104J C4026 104J Q4008 2SD655 Q4006 2SD655 Q4009 2SD655 Q4007 2SD655 32 C1008 104Z C8013 104Z C8003 104 C2029 104Z C2067 C3011 104 C9016 C1010 104Z C9004 C9022 104Z C1009 104Z C2008 1

42、04Z C2013 104 C2025 104Z R2053 1K C2058 104 C2052 100/16 + C8012 104Z C3006 223 C3003 223 C2001 473 C8004 473 C8005 473 C9011 474 C9010 474 C8014 33P C8016 33P C8015 33P C8019 33P C8018 33P C8022 33P C2032 681 C9014 22000/50 + C4006 102 Q4003 NE5532AP 6 5 7 C4009 102 C4028 102 C4008 102 C4029 102 C4

43、019 182 C4010 332 C2039 100/16 + C2038 104Z C2002 104Z C2003470/16 + C2063 100/16 + C2037 100/16 + R20470 C2036 100/16 + C1011 100/16 + C9001 C2050 100/16 + C9018 1000/16 + C3007 330/16 + C9003 330/16 + C9017 330/16 + C9020 470/16 + C7001 470/16 + C8010 2.2/50 + C8024 2.2/50 + C3002 22/50 + C2010 22

44、/50 + C2015 22/50 + C2012 47/50 + C2017 47/50 + R1004 NC R1003 10K R1002 10K R1009 100 R1010 100 R1011 100 R1006 10K R100510K C1015 TP1002 CD2SPD TP1003 CD4SPD R1012 0 R1016 0 R1013 0 R1015 10K R10370 R10330 R10320 R10290 R10270 R10250 R1021 R10260 R10280 R10240 R10220 R1023 R1030 10K R1031 R1035 10

45、KR1034 10K C1017 C1007 104Z R1036 R1046 0 R1039 100 R10430 R1048 560 R1053 1K R1055 1K R1052 560 R1057 0 R1051 47 R1050 560 R1058 0 R1061560 R1060560 R1059 560 R1054 1K R1068 R1065 R1066 R1069 R1062 0R1063 0 C1012 104Z R1071 0 R1072 R20120 R20100 R20090 TP2002 WFCK R20110 R2006 47K R2001 560 R2008 1

46、5K R2005 R2002 1K R2013 22 R2018 0 R20160 R20270 R20300 R20230 R20250 R20340 R20320 R2022 R2035 R2031 0 R2039 0 R2055 100K R2058 1M R2054 4.7K C2059 104Z C2044 R20660 R20670 R20680 R20690 R2072 0 R3001 150 C3005 223 C3004 223 R3004 R4002 R4006 1.2K R4004 1.2K R4001 R4003 1.2K R4005 1.2K R4007 R4008

47、R4010 2.4K R4012 2.4K R4011 2.4K R4009 2.4K R4013 10K R4015 10K R4014 10K R4016 10K C4017 C4016 R4020 22(1/2W) R4017 22(1/2W) R4018 22(1/2W) Q4003 NE5532AP 2 3 4 1 8 R4021 1.5K R4023 22K Q4002 NE5532AP 5 6 8 7 4 R4022 1.5K R4024 22K R4025 22K R4026 22K R4028 22K R4027 22K R4029 22K R4031 1.5K R4030

48、22K R4032 1.5K Q4004 NE5532AP 5 6 8 7 4 R4034 1.5K R4035 R4037 R4039 4.7K R4041 R4043 470K R4044 470KR4045 10K R4046 10K R4047 220 R4051 220 R4052 220 R4048 220 R4050 10K R4049 10K R4055 560K R4056 560K R4054 220K R4053 220K R4057 0 R4065 0 R4058 0 R4067 220K R4068 0 R7011 10k R7010 10k R80050 R8006

49、0 R80070 R8002 100 R8010 10K R8004 220K R8024 0 R80250 R8053 10K R8052 10K R8015 0 R8014 0 C8023 33P R8017 0 R8012 10K R8028 560 R8029 560 R8030 560 R8027 560 R8032 1K R8031 1K R8034 1K R803610K R8049 R8048 10K R8046 1K R8059 47K R8057 R8050 1K R8055 R8056 0 R8058 R8054 10K R8061 R8060 R9008 0 R9006 33(1W) R9001 22(1/2W) R9003 22(1/2W) C9013 22000/50 + R9018 0 C3014 U3002 1 GND 2 V 3 IN C4012 470/16 + C4013 470/16 + C4015 470/16 + R30