Belson-BSA-cd-sm维修电路原理图.pdf

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1、C.E.C BELSON/DPTO.TECNICO/BSA-3750/Ed.01 RadioFans.CN 收音机爱 好者资料库 DVD - DivX Player - BSA3750 2 Table of Contents 1.Genernal Section 3 Cautions and Warnings 3 Precautions 3 Test Equipment / Jigs 4 Specifications 4 Disassembly Instructions 7 2.Servise and Special Functions 9 Software Upgrade 9 Initial

2、ization of the Set 9 3.Layout of PCBs and Circuit Diagrams 9 4.IC Block Diagrams 18 5.Exploded View and Spare Parts Lists 36 RadioFans.CN 收音机爱 好者资料库 DVD - DivX Player - BSA3750 3 1. General Sections Cautions and Warnings Product Safety Notice Parts marked with the symbol ! in the schematic diagram h

3、ave critical characteristics. Use ONLY replacement parts recommended by the manufacturer. It is recommended that the unit be operated from a suitable DC supply or batteries during initial check out procedures. Leakage Current Check/Resistance Check Before returning the unit to the customer, make sur

4、e you make either (1) a leakage current check or (2) a line to chassis resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the power cord is less than 240 K ohms, the unit is defective. WARNING: DO NOT return the set to the customer unt

5、il the problem or located is corrected. Protection of Eyes from Laser Beam To protect eyes from invisible laser beam during servicing DO NOT LOOK AT THE LASER BEAM Laser Caution This Digital Video Disc Player employs a Laser System. To prevent direct exposure to the laser beam, do not try to open th

6、e enclosure. Visible laser radiation emits when open and interlocks are defeated. Use of controls or adjustments or performance of procedures other than those specifi ed herein may result in hazardous radiation exposure. This CD Changer must be adjusted and repaired only by qualifi ed service person

7、nel. DO NOT STARE INTO BEAM. Laser symbol: THIS IS COMPACT DISC PLAYER IS CLASSIFIED AS A CLASS 1 LASER PRODUCT. THE LASS 1 LASER PRODUCT LABEL IS LOCATED ON THE REAR EXTERIOR. Precautions 1. ESD Precautions in Repairing 1.1 Do not apply excessive pressure on the mechanical parts (moving parts), inc

8、luding the Pickup Block, as extremely high mechanical precision or required in these parts. 1.2 When soldering the microprocessor and signal processing ICs, use a ceramic soldering iron or a soldering iron whose metal part is grounded since they are not resistant to static electricity. 1.3 When remo

9、ving the solder or soldering the laser shorting lands for the Pickup Block, use a ceramic soldering iron or a soldering iron whose metal part is grounded since the laser diode or not resistant to static electricity. 2. DVD Loading Unit Precautions when handling the Mechanism Block 2.1 Do not loosen

10、any screws in the Pickup Block. DVD - DivX Player - BSA3750 4 2.2 Do not adjust any screws in the Mechanism Block except for “Tilt Adjust Screws”, as they are adjusted precisely at the factory. 2.3 Replacement of the Pickup Block is impossible. Always replace the Traverse Assy when the Pickup Block

11、needed to be replaced. Do not touch the lens or lens holder of the Pickup Block. 2.4 The Guide Rails of the Pickup Block are greased. Take care when handing. 2.5 When you try to slide the Pickup Block, do not press or pull it directly. Always turn the dive gears with your fi ngers. 2.6 Be sure that

12、the anti-slipping rubber on the turntable or clean. If there is dust or it is greasy, clean the part with the liquid that contains 50% each of alcohol and water. When removing the Mechanism P.C.B. Assy, you need to short-circuit the laser diode shorting lands beforehand. Test Equipment / Jigs Variab

13、le isolating transfomer, Dual channel oscilloscope, Digital multimeter Specifi cation 1Chassis Laser concept2 laser for DVD and VCD 2Disc formats DVD+RYes DVD-RYes DVD+RWYes DVD-RWYes CD-RYes CD-RWYes 3Media formats DVD-VideoYes Audio CDYes Video CDVCD 1.0,1.1,2.0 S-Video CDYes CD-ROMDivX,MPEG4,MP3,

14、 JPEG, Kodak Picture CD,WMA 4Player features Parental controlYes, numerical lock Screen saverYes Picture mode selectYes Video strobeYes Video fi lterYes File browserDivX, MP3, JPEG, Kodak Picture CD,WMA 5Player functions Play/stop/pauseYes/Yes/Yes DVD - DivX Player - BSA3750 5 Next/previous(skip)Yes

15、/Yes Fast forward/reverseYes/Yes (DVD,MP3,WMA : 2X / 4X / 6X / 8X , VCD,CDDA:1X / 2X / 3X / 4X, DivX: 2X / 4X / 8X / 16X ) ZoomDVD/VCD 2X/3X/4X,JPEG 1.5X/2X/1/2/1/4 Slow motion forward /reverseYES/YES(DVD,VCD:1/2,1/4,1/8) Perfect still pictureYes Frame advance /reverseYes/Yes Repeat CD /DVDDVD: titl

16、e -chapter-A/B;VCD,CD: A/B-repeat one-repeat all Random playCDDA, MP3,WMA Program playCDDA,DVD,JPEG,MP3,WMA Last memory( resume)Yes 6Region Code Region codechanged by request. 7OSD OSD stylestandard OSD languageEnglish, German, Dutch, French, Italian, Spanish, Portugu- ese Subtitle LanguageEnglish,

17、German, Dutch, French Welcome Logo and OSD back- ground Provided by Customer 8Audio out Digital Audio decoderDolby digital AC-3, MPEG 2, PCM, MP3 Digital Audio outputDolby digital AC-3, DTS, MPEG, PCM 48/96 KHz Analog Audio outputDolby Prologic II (down mix), Stereo; Dolby digital AC-3; 5.1CH Audio

18、D/A converter24 Bit/96kHz Virtual surround SoundYes Digital sound processYes Frequency range DVD 48/96 kHz 4 Hz-22 kHz/ 4 Hz- 44 kHz Frequency range CD 44.1 kHz4 Hz-20 kHz Dynamic range 1 kHz80 Db(weighted) Crosstalk80 dB(weighted) Signal noise90 dB(weighted) 9Video out Video D/A converter10 Bit / 5

19、4 MHz Progressive Video outPAL / NTSC PALYes, 625 lines / 50Hz / 4.43 MHz DVD - DivX Player - BSA3750 6 NTSCYes, 525 lines / 60 Hz / 3.58 MHz Norm converter ( PAL-NTSC, NTSC-PAL) Yes Video resolution525 lines Frequency response5MHz 60 dB (weighted) Signal noise rate chroma60 dB unweighted 10Connecti

20、ons rear Euro-AV Yes, scart Cinch VideoYes, 1 output Cinch AudioYes, 6 output S-Video ( Y-C)Yes, 1 output Digital Audio out coaxialYes, 1 Digital Audio out opticalYes, 1 progressive scan outYes, 3xoutput 11Power Supply Power voltageAC 110-240V 50/60 Hz Max. power consumptionApprox. max. 10W Power sw

21、itchYes Power supply plugYes 12Cabinet Dimensions in cm (W H D) net Approx. 43.04.825.7 Dimensions of carton in cm (W H D) Aprrox. 47.1x10.8x36.8 13Design Designmirror-like front panel as per the sample provided by Hu- alu Cabinet keysPOWER ,PLAY, PAUSE, STOP, OPEN/CLOSE, PREV, NEXT Logo ACCORDING T

22、O REQUEST LabelModel no. label and production serial number label will be sticked at rear panel 14Remote Control Typestandard BatteriesYes, 2R03P AAA (no mercury) IR codestandard 15Display TypeVFD DVD - DivX Player - BSA3750 7 Dissassembly Instructions A A A C L Fig. 1 GGF B F DE M Fig. 2 16Packagin

23、g 1 set /cartonACCORDING TO REQUEST 54 cartons/ slip-sheet 17Loadability For 20 Container 1296 sets For 40 Container 2592 sets For 40 HC Container 2880 sets 18Supplied Accessories Euro-AV cable (Scart-cable)Yes Power cordYes Remote controlYes BatteriesYes Instruction ManualACCORDING TO REQUEST Warra

24、nty infoYes 19Safely Conformitychanged by request with payment CE CE report is available for Hualus model no.:DVD4360 DVD - DivX Player - BSA3750 8 1. Cabinet Upper Part - Undo the 8 screws A (Fig. 1) - Bend the upper part of the cabinet from the rear side (Fig. 1) off the base plate, and then detac

25、h the cabinet upper part from the unit. 2. Front Panel - Undo the 2 screws J (Fig. 3) - Undo the 2 screws F (Fig. 2) - Undo the 2 locking lugs G (Fig. 2) and then remove the front panel. - Unplug the connectors if necessary. 3. VFD Driver and Key Control Board Units - Remove the front panel (Point 2

26、) - Undo the 4 screws I (Fig. 4) - Remove the VFD Driver and Key Control Board units. 4. Power Supply Board - Undo the 4 screws B (Fig. 2). - Undo the 1 screw L (Fig. 1). - Remove the Power Supply Board from the unit. - Unplug the connectors if necessary. 5. Main Board - Undo the 7 screws E (Fig. 2)

27、. - Remove the main board. - Unplug the connectors if necessary. 6. Output Board - Undo the 2 screws M (Fig. 2) - Undo the 4 screws C (Fig. 1). - Remove the output board. - Unplug the connectors if necessary. 7. Drive Mechanism - Undo the 4 screws D (Fig. 2) - Lift the drive mechanism at its back pa

28、rt, slide it to the rear, and then remove it. - Unplug the connectors if necessary. 8. Opening the Tray of a Defective Unit - Turn the toothed wheel H (Fig. 5) in direction of the arrow until the tray moves then pull out the tray completely. - Remove the DVD/CD from the defective drive unit if neces

29、sary. J Fig.3Fig. 4 Fig. 5 DVD - DivX Player - BSA3750 9 2. Service and Special Functions Software Upgrade You can download the upgrade software “bank30.rom“ from Web using an Internet browser. - Copy the “bank30.rom” on the drive of your PC. - Create a software upgrade CD. - Use only a new CD-R / C

30、D-RW (not a erased one). - Give the CD name of your choise (e.g. version and unit name). - Burn the “bank30.rom“ on the CD-R / CD-RW. - Insert the upgrade CD, the unit will be upgraded automatically. - After upgrade, the disc tray will opened, remove the upgrade CD. Attention: if a failure should oc

31、cur during the software upgrade, it may happen that the units function and a restart of the upgrade function are no longer possible. If this should be the case, - Power off the unit with pressing ON/OFF button on the front panel (do not remove the upgrade CD). - During pressing still the NEXT button

32、 on the front panel, press down the ON/OFF button to power on the unit, the unit will be upgraded automatically. - After upgrade, the disc tray will opened, remove the upgrade CD. Initialization of the Set You can restore all the custom settings to the basic settings. - Press SETUP button to open th

33、e main menu. - Select the PREFERENCES line with 5or 6 and activate with OK button. - Select the DEFAULTS line with 5or 6 and press OK button to confi rm. - Select the RESET with 4 and press OK button to reset the unit to its basic settings. - Press SETUP to exit the menu. 3. Layout of Circuit Diagra

34、ms and PCBs Main Board DVD - DivX Player - BSA3750 10 M29W800DT 32/64MBIT SDRAM SERIAL EEPROM reserved5 0 4.25 114.75 121.5 bypass 1 4.25 0 PLL0 108 01 162 1 11 NA 0 135 S-CHIP 0 NA 3.75 PLL2 1 Frequency 0 4 148.5 4 1 121.5 0 101.25 reserved 127bypass 0 6 DEFAULTPLL1 5.5 DEFAULT 1 4.75 4.501 MULTI 0

35、 S-CHIP 114.75 1 1 128.25 108 3.5 4.5 NA 94.5 0 0 PLL3 0 CLK SOURCE 1 CRSTAL OSC DCLK INPUT Vibratto-II YG B C CVBSCVBS YDAC B 5DAC U S-VIDEO + RGB Y CVBS CDAC U VDAC C Y CVBS + S-VIDEO or CVBS + YUV CVBS CVBS + RGB VIDEO OUTPUT TABLE V G CVBS RR CVBS + YUV V UDAC SLDC DEFCT SPDON FLASHVCC SLEGN LA1

36、6 LA11 LA19 DB6 DB1 LD1 LA12 VCC33V LA13 TESTAD SCL TWS DOE# MA8 MA1 LD6 LA4 LA18 SCLK LA6 DB12 MA2 MA6 LA3 SCSJ LD1 LA1 MA5 MA11 MA4 LA17 LA2 TR1 DB3 LD0LA6 LA7 LA19 LA14 RFO SBAD MA0 LA1 SDATA FOCUS LD5 LA15 LA10 DB14 DB10 DB5 MA7 LA0 LA5 LA11 LA8 DIN DSCK VFD_CLK MA10 LD5 LD2 LA10 SPINDLE LD3 LA5

37、 LA3 RAS2# MA9 MA0 RAS0# MA8 FEI SDA DQM DB15 DB13 DB9 MA6 MA2 LOE# LD0 CAS# RAS1# MA10 LD7 RESET# SVREF15 LA17 LA12 DB11 RESET# LA9 TRACK LD4 LA14 LA9 TBCK DWE# MA5 LA7 VFD_CS IR DB8 MA3 DB4 DB0 LD3 LD7 LD6 LD2 LA4 LA2 LA0 LA18 MA4 DB2 MA9 LD4 DA TEI CEI VFD_DAT CS0# MA7 MA3 LCE# LA8 MA1 DB7 MA11 L

38、A13 LA15 LA16 DIP MIRR LA13 DSCK DMA3 WRLL# LA4 DB15 RESET# DEFCT LD4 LCS3# FDAC1 SLDC TR1 TBCK LA0 LA3 LA6 LA10 LA11 LA17 DB1 DB3 DB0 DMA1 SPDIF FDAC1 DQM TSD0 COMP LD1 LD0 LCS2# LA21 DB10 DB6 TR2 RBCK UDAC1 VS33_PL2 LOE# LA7 DB8 XSDATA TR2 SVREF15 LD7 LA15 DB12 DB5 UDAC1 LA5 LA12 DB11 DMA10 TSD1 T

39、WS GNDV RSET VREF VD33_PL1 RWS LD3 VDAC1 DCLK TESTAD LA14 DB14 YDAC1 SPDON XSCSJ LA2 LA18 LA19 DB13 DB4 SVREF09 SVREF21 CDAC1 LD5 LA8 DB2 DMA9 SVREF15 CDAC1 VDAC1 LA1 DB9 XOUT MCLK VCC33V LA9 LA16 DB7 DMA8 XSCLK TSD2 LD6 LD2 XIN LA20 LA20 LA20 LCS3# LCS2# LCS3# LOE# WRLL# LA21 YDAC1 AUX4 DMA4 DMA5 D

40、MA6 DMA7 DMA0 DMA2 CAS# CS0# RAS0# RAS1# RAS2# DOE# DWE# DMA11 VFD_CLK GND IR VFD_DAT VFD_CS WRLL# SCARTCTL0 SCARTCTL0 RFGND SPINDLE3 SDEFCT3 SPDON3 CD_DVDCT3 SLDC3 FOCUS3 SVREF153 TRACK3 SLEGN3 MIRR3 TEI3 RFO3 CEI3 DIN3 FEI3 DIP3 SBAD3 SCSJ3 SDATA3 SCLK3 INSW3 HOMESW3 CLOSE3 OUTSW3 OPEN3 UDAC CDAC

41、YDAC VDAC FDAC SPDIF TBCK MCLK TSD2 TSD1 TSD0 TWS IRDL SCARTCTL2 MOCTL RESET# SCARTCTL1 STANDBY ZERO13 led3 AUX4 led4 PLL33V RF33V VCC33 VCC GND VCC33 GND GNDV GNDV GNDV GNDV GNDV GNDV GNDV GNDV GNDV GNDV GNDV VCCV GNDGNDGND GND VCC VCCV GND VCC GNDV GND VCC20 VCC33V RFGND RFGND RFGND VCC33 GND VCC

42、GND PLLGNDRFGND VCC20 GNDV VCC GND VCC33VCC33VCC33VCC33 VCC FLASHVCC GND GND GND GNDV GNDV GNDGND GNDV GNDV GND GND GNDV GND R10 4.7K L11.8UH RR1610K TP14LA5 RR246.8K CC11 4700P RR1333K CC37 33P TP15LA6 CC17 6800P CC20 1U C2 330PF TP34LCS3# U1 ES66x8 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2

43、0 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 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 1

44、15 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 1

45、90 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 VD33 XIN XOUT DCLK DMA0 DMA1 DMA2 DMA3 VS33 VD33 DMA4 DMA5 DMA6 DMA7 DMA8 DMA9 DMA10 VS33 VD33 DMA11 DCAS DCS0 DCS1 DRAS0 DBANK0/ DRAS1 VSS VDD DBANK1/ DRAS2 DCKE/DOE/TDMTSC DWE DB0 DB1 DB2 VS33 VD33 DB3 DB4 DB5 DB6 DB7 DB15

46、DB14 VS33 VD33 DB13 DB12 DB11 DB10 DB9 DB8 DSCK VS33 VD33 DQM LA21 LA20 LA19 LA18 LA17 LA16 VS33 VD33 LA15 LA14 LA13 LA12 LA11 LA10 LA9 VSS VDD LA8 LA7 LA6 LA5 LA4 LA3 VS33 VD33 LA2 LA1 LA0 LCS0 LCS1 LCS2 VSS VDD LCS3 LWRLL LOE LD0 LD1 LD2 LD3 VS33 VD33 LD4 LD5 LD6 LD7 RSD/TDMDR RBCK/TDMCLK RWS/TDMF

47、S VD33_PLL VS33_PL YUV1/VREF YUV3/COMP YUV4/RSET YUV7/FDAC YUV6/VDAC VD33_DA VS33_DA YUV5/YDAC YUV2/CDAC YUV0/UDAC TWS/SEL_PLL2 TSD0/SEL_PLL0 TSD1/SEL_PLL1 VS33 TSD2 TSD3 MCLK TBCK SPDIF/SEL_PLL3 SPDIFIN VD33 VS33 XSWBLCLK XSWBL XSLG XSIP2 XSIP1 XSFLAG0 XSFLAG1 XSFLAG2 XSFLAG3 VSS VDD XSTEXI XSTESTA

48、D XSSBAD XSFEI AVSS_AD XSCEI XSTEI XSRFRP AVDD3_AD XSVREF21 XSVREF09 XSVREF15 XSIREF AVDD3_DS XSIPIN XSRFIN XSRFIP XSDSSLV AVSS_DS AVSS_PL XSPDOFTR1 XSFDO XSFTROPI AVDD3_PL XSPLLFTR1 XSPLLFTR2 XSVREF0 XSAWRC AVSS_DA XSRFRPCTR XSTRAY AVDD3_DA XSSPINDLE XSFOCUS XSSLEGP XSSLEGN XSTRACK XSTESTDA XSFGIN

49、XSPHOI SXCSJ XSDATA XSCLK XSDFCT XSLDC XSSPDON VD33 VS33 XGPIO9 XGPIO8 XGPIO7 XGPIO6 XGPIO5 XGPIO4 EAUX03 EAUX02 EAUX01 EAUX00 VSS VDD AUX0 AUX1 AUX2/ HSYNC AUX3/ VSYNC AUX4 AUX5 AUX6 AUX7 RESET VS33 CC3 1000P L31.8UH CC31 0.015U CC10 1U R6 4.7K C14 27PF CC30 560P TP16LA7 CC23 560P RR23.3K C80.1U C11 330PF R4133 RR33.3K TP17LA8 R16 75 OHM C86 15PF CC2 1000P U7EM6353 1 2 3 RESET VCC GND TP1 LD0 CC32 0.015U CC27 0.1U C1 330PF C12 330PF R140 OHM U3 24C01A/24C02 1 2 3 45 6 7 8 S0 S1 S2 GNDSDA SCL WC VCC CC5 0.1U R3933 TP19LA10 D1 BAT54S 3 1 2 R200 4.7k(op