Akai-DVPX-7830-Service-Manual(1) 电路图 维修手册.pdf

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1、SERVICE MANUAL Model: DVPX7830 DVD PLAYER www.akai.ru RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 WIRING DIAGRAM 123456 A B C D 6521 D C B A 8 SCHEMATIC DIAGRAMS AUDIO AND POWER 10 3.3V REGUALTOR ES60 x8 SDRAM DA1196 24C01 I2S format,16-24bits auto-detect. De-emphasis OFF

2、 ZERO AOUT CC AOUT LS MCLK- TBCK- L VMIN CAP MCLK- AOUT SUB TBCK- TWS- TWS- R L ZERO VMIN CAP TSD0- R TSD0 TSD0 MCLKAOUT2L AOUT0L AOUT1R EAUX00 TWS AOUT0R TBCK TSD2 AOUT2R AOUT1L TSD1 TSD3 VCC20 VCC VCC33 VCCA VCC33VCC20 VCC33V GND GND GNDGND VCC33 GNDAGND VD33D RF50V MVCC PLL33V RF33V RFGND GNDAGND

3、A VCC33 GND GND VCC GND MGND VCC DVCC GND VCCA-12VA VCC VCCVCCVDVCC VCCA GNDA VCCVCC VCC VCCA VD33D +12VA VCC B23 0.1UF B27 0.1UF CC85 100U/16V B11 0.1UF CC86 470P R2633 OHM CC87 100U/16V B5220UF B38 0.1UF LL6 FB (0805) 12 R51OPEN CC88 1U R1733 OHM B40 0.1UF CC91 100U/16V C10410UF RR833.3 (0805) B43

4、 10UF RR86 560 1% C10610UF RR85 346 1% B4100UF B2 0.1u B22 100UF C27 0.1UF C10110UF R14333 OHM L10 12 B42 0.1UF B31 0.1UF R2533 OHM B9 0.1UF LL7 12 DD4IN4002 1 R433 OHM L26 12 DD5IN5819 1 B49 0.1UF L7 12 CC94 0.1U C26 10UF R5533 OHM B45 0.1UF B39 0.1UF C16 0.1UF B32 0.1UF B34 10UF U10 DA1132 1 2 3 4

5、 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 NC SCKI NC ML/I2S MC/IWL MD/DM RSTB ZERO VOUTR AGND AVCC VOUTL CAP BCKIN DIN LRCIN MUTE MODE VDD DGND B46 0.1UF B10 0.1u Q3 AMS1117 32 1 4 INOUT ADJ OUT B47 0.1UF U2 DA1196 1 11 12 13 14 9 8 10 2 3 4 5 6 7 15 28 20 24 26 22 18 27 25 23 21 19 17 16 DVDD DGN

6、D LATCH/12S SCLK/IWL SDIN/DM0 MUTE MODE LRCLK2 MCLK BCLK LRCLK DIN0 DIN1 DIN2 AVDD1 AVDD2 AGND1 AGND2 GR0 GR1 GR2 OUT0R OUT0L OUT1R OUT1L OUT2R OUT2L CAP L8 12 B54 10UF C10010UF B33 0.1UF B28 0.1UF LL8 FB (0805) 12 L9 12 J4 2.54MM 1 2 3 4 5 6 7 CC92 1U LL5 FB (0805) 12 B18 0.1UF C10510UF B12 0.1UF B

7、26 0.1UF B44 0.1UF C10310UF B30 0.1UF CC29 220U/16V LL4 FB (0805) 12 B37 0.1UF 123456 A B C D 6521 D C B A SCHEMATIC DIAGRAMS ES6603 AND MOTOR DRIVERS 11 E C E B G C B S G DD S F VR_CD CD_DVD PD CDLDO FOCUS+ B E DVDLDO DVDRF D TRACK- TRACK+ VR_DVD FOCUS- DCLOAD- DCLOAD+ A C C A PVC SLED+ SLED- LOAD+

8、/DCMO+ LOAD-/DCMO- LOAD-/DCMO- VR_SEL VR_CD VR_SEL LOAD+/DCMO+ RF50V CD_DVD VR_DVD OP1IN- DCLOAD- DCLOAD+ CLOSE TRACK- SLED+ FOCUS+ LOAD+/DCMO+ MVCC SLED- OPEN MVCC OP1IN+ MGND TRACK+ MOCTL1 LOAD-/DCMO- FOCUS- OP1IN+ OP1IN- SBA SDATA CDLDO TE B DVD-C SCSJ RF50V RF50V FE DVDLDO DVDRF A DVDLD D LINK P

9、D E DVD-A RFGND DVD-B CDLD RFGND F CE PVC DVD-D SVREF15 MEVO RF50V SCLK RFGND C DVDRF RF50V INSW2 OUTSW 2 HOMESW 2 DV34_CT SPDON (2) MOCTL (2) SLEGN2 SPDON2 RESET#2 FOCUS2 TRACK 2 SPINDLE2 MOCTL1(2) FEI (2) SBAD (2) DIN(2) SDATA(2) SDEFCT (2) CEI (2) RFO (2) MIRR (2) SLDC (2) DIP (2) SCLK (2) TEI (2

10、) SCSJ (2) M_BIAS2 MGND MGND MVCC RFGND MGND RF50V RFGND MGND RFGND RF50V MVCC MGND MGND MGND MGND VCC MGND RFGND RF33V RF50V RFGND RFGND RF50V RFGND CC77 0.1U RR310 CC71 1000P RR1120 CC75 0.1U LL2FB (0805) RR4756K RR76 4.7K RR650 RR93OPEN +CC78 100U/10V CC57 100P RR90OPEN RR71 0 QQ5 2SK3018 2 31 CC

11、48 820P RR35OPEN CC40 0.1U RR4822K CC670.01U DD3IN4148 1 UU2 ES6603ES6603 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 31 32 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 DVDFRP DVDRFN A2 B2 C2 D2 CP CN D C B A CD_

12、D CD_C CD_B CD_A CD_F CD_E VPB VC DVDLD CDLD DVDPD CDPD VNB LDON MIRR MP MB MLPF MIN MEVO RFDC RFSIN ATOP ATON AIN AIP VPA RFAC BYP DIN DIP FNP FNN VNA MEV RX SDEN SDATA SCLK V33 LCP LCN MNTR CE FE TE PI V25 V125 TPH DFT LINK RR13100K RR19 10 CC51 2200P RR1090 RR58 OPEN RR70 10K RR82 22K RR3010K CC6

13、5 160P TP23 MNTR UU3 AM5868S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 29 30 VINFC OP2IN- OP2IN+ VINSL- OP2OUT FWD REV VCC1 VOTR- VOTR- VOSL+ VOSL- VOFC- VOFC+ MUTE BIAS VINTK OP1IN+ OP1IN- VINLD PREGND VCTL OP1OUT VCC2 VOLD- VOLD+ VOTK- VOTK+ GND GND CN1 SANYO-DV34

14、24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 LD-GND DVD-LD (N.C.) HFM-Vcc MPD CD-LD DVD-VR CD-VR (N.C.) E Vcc Vc(Vref) GND F B A RF CD/DVD SW D C T- T+ F+ F- LL3FB 12 RR4610 CC60 0.1U RR79 0 RR57 10K CC66 33000P RR73 1M CC52 2200P QQ7 9014 2 31 RR44 1K CC39 0.1U RR920 RR500 RR1100

15、CC630.22U CC61 100U/16V DD1IN4148 1 CC50 0.1U JJ6 2.0MM 1 2 3 4 5 6 1 2 3 4 5 6 RR38 OPEN CC45 0.01U CC54 0.047U RR910 RR60OPEN(10K) RR1110 RR430 RR410 CC58 0.1U RR39 150 RR4510 CC64 1000P RR1080 RR61 0 QQ3 9015 2 13 RR3412K(1%) RR64 OPEN(100K) RR77 10K CC53 2200P RR63 18K CC44 0.1U CC69 100U/16V CC

16、42 0.1U QQ8 9014 2 31 QQ2 2SB1132 1 32 QQ1 2SB1132 1 32 RR62 0 TP24 DEFCT TP25 LINK- CC38 4700P JJ7 2.0MM 1 2 3 4 5 1 2 3 4 5 DD2 IN4148 1 LL1 FB (0805) CC59 0.1U CC43 470P RR53 OPEN CC68 100U/16V RR5215K CC56 2200P CC49 0.1U CC41 470P RR5156K RR74 22K QQ6 2SK3018 2 31 123456 A B C D 6521 D C B A SC

17、HEMATIC DIAGRAMS VIBRATTO-II ES66X8 12 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 DEF AULTPLL1 5.5 DEF AULT 1 4.75 4.501 MUL TI 0 S-CHIP 114.75 1 1 128.25 108 3.5 4.5

18、NA 94.5 0 0 Vibratto-IIVibratto-II YG B C, CVBSCVBS YDAC B FDAC 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 VCC IR GND CLK CS DADT SDA SCL +5V S-VIDEOS-VIDEO AM29LV800TV (3.3V ) SLDC DRVSB DEFCT SVREF21 SPDON S

19、LEGN VCC33V SCL TWS MA1 SCLK MA6 SCSJ MA4 TR1 SBAD MA0 SDATA MA7 MA8 FEI SDA MA2 MA10 SVREF15 TBCK MA5 MA9 DA CEI MA3 MA11 DIP LA13 DSCK RAS0# SLEGP SPDIF-IN WRLL# LA4 DB15 DEFCT RXD LD4 LCS3# RFGND FDAC1 SLDC TR1 TXD TBCK LA0 LA3 LA6 LA10 LA11 LA17 DB1 DB3 DB0 SPDIF FDAC1 DQM DOE# RAS2# TSD0 COMP L

20、D1 LD0 DB10 DB6 TR2 RWS RBCK UDAC1 VS33_PL2 LOE# LA7 DB8 DMA10 XOUT XSDATA SFGIN TR2 SVREF15 LD7 LA15 DB12 DB5 DWE# AUX4 UDAC1 LA5 LA12 DB11 CAS# AUX6 TSD1 TWS GNDV RSET VREF VD33_PL1 LD3 VDAC1 TESTAD XFLAG2 LA14 DB14 RAS1# DCLK RSD YDAC1 XSCSJ XFLAG1 LA2 LA18 LA19 DB13 DB4 CS0# AUX7 SVREF09 SVREF21

21、 CDAC1 LD5 LA8 DB2 DMA9 SVREF15 CDAC1 XFLAG3 VDAC1 LA1 DB9 XFLAG0 MCLK YDAC1 VCC33V LA9 LA16 DB7 DMA8 XSCLK TSD2 LD6 LD2 XIN AUX5 AUX3 LCS1# LA20 AUX2 RESET# AUX0 AUX1 TESTAD SPINDLE FOCUS TEI TRACK XFLAG1 DA TEI TRACK XFLAG2 MIRR RFO DIN TESTAD SLEGP SFGIN SLEGN CEI XFLAG0 SPINDLE FEI DIP XFLAG3 FO

22、CUS DMA0 DMA1 DMA2 DMA3 DMA4 DMA5 DMA6 DMA7 DMA11 RS232_DET RFRP RFRP RFRP SDA SCL MOCTL DV34_CT CS1# DIN RFO LA18 LA1 LA12 LA3 LA11 LA13LA0 LD4 LA9 VCC_F LD2 WRLL# LA4 RESET# LA5 LA6 LA20 LA15 LA16 LD1 LOE# LA8 LA14 VCC_F LD0 LA19 LA10 LD7 LD6 LA17 LD5 LD3 LA2 LA7 LCS3# SPINDLE(3) SDEFCT(3) SPDON(3

23、) OPEN(3) SLDC(3) DRVSB(3) FOCUS(3) SVREF21(3) SVREF15(3) TRACK(3) SLEGN(3) MIRR(3) TEI(3) CEI(3) DIN(3) FEI(3) DIP(3) SBAD(3) SCSJ(3) SDATA(3) SCLK(3) INSW(3) HOMESW(3) CLOSE(3) OUTSW(3) DRVSB(3) UDAC(5) CDAC(5) YDAC(5) VDAC(5) FDAC(5) SPDIF-IN(5) SPDIF(5) TBCK (4) MCLK (4) TSD2 (4) TSD1 (4) TSD0 (

24、4) TWS (4) RWS(4) RBCK(4) RSD(4) HSYNC_IO(5) VSYNC_IO(5) EAUX00(4) MOCTL(3) SPDON EAUX01(4) EAUX02(4) EAUX03(4) DV34_CT(3) DV34_OPEN(3) HSYNC(5) VSYNC(5) TSD3 (4) M_BIAS(3) RFO(3) PLL33V RF33V VCC GNDV GNDV GNDV GNDV GNDV GNDV GNDV GNDV GNDV GNDV GNDV VCCV VCCV VCCV VCCV VCCV GND VCC VCCVVCC GND VCC

25、20 VCC33V RFGND RFGND RFGND VCC33 GND VCC GND PLLGNDRFGND GNDV GNDV GNDV GNDV VCC20 GNDV GNDV GNDV GNDV GNDV GNDV GND VCC GND GND GND VCC33VCC33VCC33VCC33 VCC33 GND GNDGNDGNDGNDGND L42.4UH L32.4UH Q300 9014 2 13 RR8133 RR920K RR216.8K D9 1N6263 21 C1 470PF RR101K C15 1000PF R30010K C4 470PF RN3 10 x

26、4 18 27 36 45 CC27 0.1U R73 4.7K R30110K R7 4.7K CC28 6800P U8 AT49F8192 (+5V) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 2425 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 A15 A14 A13 A12 A11 A10 A9 A8 NC NC W RP VPP DU/WP NC NC A17 A7 A6 A5 A4 A3 A2 A1A0 E G

27、ND G DQ0 DQ8 DQ1 DQ9 DQ2 DQ10 DQ3 DQ11 VCC DQ4 DQ12 DQ5 DQ13 DQ6 DQ14 DQ7 DQ15/A_1 GND BYTE A16 RR63.3K CC32 0.015U CC10 1U RR2933 TP16 MIRR RR868K R18 OPEN C10 470PF R140 OHM R19OPEN CC30 470P R58 OPEN TP4 FLAG3 RR233 D7 1N6263 21 R42100K C12 470PF TP18 FEI CC22 0.1U RR240 R22 1K C14 27PF RR8433 RR

28、226.8K FB2 FERB R3133 CC18 C TP14 SSLEGN FB3(OPEN) 3.3UH CC5 0.1U R154 33 FB1 FERB CC23 68pF D1 1N6263 21 RR1710K CC14 0.1U CC34 0.1U U3 24C01A 1 2 3 45 6 7 8 S0 S1 S2 GNDSDA SCL WC VCC R20OPEN C80.1U CC25 47P L12.4UH TP7 DA R1 OPEN RR870 D6 1N6263 21 R1570R RR256.8K CC13 0.1U CC21 0.047U R302330 R1

29、55 33 CC9C R3033 RR43.3K TP1 FLAG0 CC26 0.1U TP8 RFRP CC64700P R21 1K R6 75 OHM RR2733 TP5 RFO D4 1N6263 21 C3 470PF CC24 0.1U TP2 FLAG1 C11 470PF CC114700P R3 OPEN RR26OPEN(5.1K) CC33 470P CC16 C C5 470PF CC35 33P RR2833 D3 1N6263 21 CC7C TP3 FLAG2 R10 4.7K RR32OPEN D10 1N6263 21 RR53.3K RR23R RR15

30、33K TP6 TESTAD CC84.7U RN210 x4 18 27 36 45 D8 1N6263 21 R16 75 OHM TP21 FGIN TP19 CEI TP11 STRACK D2 1N6263 21 R11 75 OHM R12 75 OHM RR110K R13390 J2 HEADER 8 1 2 3 4 5 6 7 8 CC36 33P CC37 33P L52.4UH TP36 RR710K RR33OPEN L22.4UH CC15 0.1U C2 470PF R510 R8 4.7K RR33.3K R2933 RR14R CC19 C CC20 1U R4

31、30 R274.7K RR110 TP17 TEI R2333 CC17 6800P R2 OPEN RN110 x4 18 27 36 45 R2833 TP12 SFOCUS D5 1N6263 21 CC12 1U CC3 CC4 TP15 SSPINDLE RR185.1K TP13 SSLEGP C9 470PF TP9 DIPTP10 DIN RR20OPEN(6.8K) CC1 RR161.2K CC2 C300 10UF U1 ES6698 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

32、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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 1

33、20 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 1

34、95 196 197 198 199 200 201 202 203 204 205 206 207 208 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 DB14 VS33 VD33 DB13

35、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/TDMFS VD33_PLL VS33_PL Y

36、UV1/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 XSTESTAD XSSBAD XSFEI AVSS_

37、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 XSPHOI SXCSJ XSDATA

38、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 C13 27PF Y1 27M R9 4.7K R2433 CC31 0.015U D0IN4148 1 C70.1U C6 470PF R15 75 OHM RR12OPEN(1K) 123456 A B C D 6521 D C B A

39、 64MBIT SDRAM OPEN CLOSE OPEN OPEN 64M SDRAM 32M SDRAM BA0=0 OPEN R67R69 CLOSE CLOSE OPEN32M SDRAM BA0=1OPEN OPENCLOSE R70 OPEN OPEN OPEN CLOSEOPEN OPEN R65R68 CLOSE CLOSE R66 OPEN R64 CLOSE OPEN OPEN CLOSE OPEN 32M SDRAM BA1=0 OPEN OPEN OPEN OPEN OPEN32M SDRAM BA1=1 OPEN OPEN CLOSE OPENOPEN SCHEMAT

40、IC DIAGRAMS F-SDRAM 13 DB1 MA5 MA0 RAS2# CS0#+ DB3 DB8 DB15 DB5 CAS#+ DB0 MA1 DB12 MA7 MA10 MA8 MA9 DWE#+ DSCK+ MA2 DB14 CAS#+ DWE#+ DB11MA11 DB4 MA3 MA4 RAS0#+ DSCK+ DB10 DB6 RAS1# RAS0#+ DB9 MA6 DB7 DB2 DB13 CS0# CAS# DSCK DWE# DOE# DQM RAS0# MA8 MA11 MA9 DWE#+ DSCK+ DB12 DOE#+ DB13 DB3 DB5 MA0 DB

41、7 RAS0#+ DB3 DB0 DB11 MA1 MA11 MA7 DB1 DB8 MA4 DB15 DB2 MA5 DQM+ DB6 MA5 DB9 MA10DB10 DB10 DB7 DB8 DB4 MA8 DB9 DB0 DB11 MA10 RAS1#+ DB4 DB14 MA6 DB14 MA3 MA0 MA7 DB13 MA9 DQM+ DQM+ RAS2#+ DB6 MA1 MA6 DB2 DB1 MA3 CAS#+ DB12 MA2 MA0.11 DB5 MA2 MA4 DB15 CS0#+ CS1# MA0.11 DB0.15 VCC GND VCC VCC3VCC3 VCC

42、3VCC3 GND VCC33 VCC3 R3333 R4733 R3633 U5 4Mx16 SDRAM (7ns) 1 2 4 6 5 7 3 8 10 12 11 13 9 15 16 17 18 19 35 22 23 24 25 26 14 28 29 30 31 32 33 34 36 37 38 39 40 43 42 44 46 45 47 49 48 50 52 51 53 41 20 21 27 54 VCC DQ0 DQ1 VSSQ DQ2 DQ3 VCCQ DQ4 DQ5 VSSQ DQ6 DQ7 VCCQ DQML WE CAS RAS CS A11 A10 A0 A

43、1 A2 A3 VCC VSS A4 A5 A6 A7 A8 A9 NC CKE CLK DQMH NC VCCQ DQ8 DQ9 VSSQ DQ10 DQ11 VCCQ DQ12 DQ13 VSSQ DQ14 DQ15 VSS BA0 BA1 VCC VSS R61 10 R3933 R3833 U7 open SDRAM 512KX16X2 (7ns) 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 31 32 33 34 35 36 37 38 39 40 41 42 43

44、44 45 46 47 48 49 50 VCC DQ0 DQ1 VSSQ DQ2 DQ3 VCCQ DQ4 DQ5 VSSQ DQ6 DQ7 VCCQ DQML WE CAS RAS CS BA/A11 A10 A0 A1 A2 A3 VCC VSS A4 A5 A6 A7 A8 A9 NC CKE CLK DQMH NC VCCQ DQ8 DQ9 VSSQ DQ10 DQ11 VCCQ DQ12 DQ13 VSSQ DQ14 DQ15 VSS R4633 R68 33 R4133 R70 OPEN R65 OPEN R66 OPEN R69 33 R67 OPEN R64 OPEN R44

45、33 R63 10 R4033 U9 OPEN(SDRAM 512KX16X2 (7ns) 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 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 VCC DQ0 DQ1 VSSQ DQ2 DQ3 VCCQ DQ4 DQ5 VSSQ DQ6 DQ7 VCCQ DQML WE CAS RAS CS BA/A11 A10 A0 A1 A2 A3 VCC VSS A4 A5 A

46、6 A7 A8 A9 NC CKE CLK DQMH NC VCCQ DQ8 DQ9 VSSQ DQ10 DQ11 VCCQ DQ12 DQ13 VSSQ DQ14 DQ15 VSS C17 0.1UF R62 10 C23 0.1UF C24 0.1UF 123456 A B C D 6521 D C B A 1 2 AC-IN J1 1 2 POWER Switching T2AL250V F1 0.1UF/250V C301 1N4007 D301 1N4007 D302 1N4007 D303 1N4007 D304 1N4007 D307 L301 0.1UF/250V C302 +

47、 47UF/400V C303 472/1KV C304 1N4007 D305 150K R309 47K R301 1 3 6 7 8 9 10 11 12 13 14 T301 1 2 3 45 6 7 8 1200P60 U301 101/1KV C307 1N4148 D308 IN4148 D306 1N4004 D355 IN4004 D357 IN4004 D358 1N4004 D351 1N4004 D361 1N5822 D352 1 2 3 4 5 J352 1 2 3 4 5 6 7 8 9 10 J351 PC817 U302 30K R304 1.5K R305

48、300 R308 2.2 R302 2.2 R303 102 C305 0.1UF C341 10KR342 10K R344 4.7K R346 6.8 R352 10UH L352 + 2200UF/10V C362 + 330UF/16V C372 +12V GND GND + 100UF/16V C365 GND + 100UF/16V C375 +5V 10UH L355 +5V +12V -12V 10UH L357 10UH L358 + 100UF/35V C367 + 100UF/16V C368 + 100UF/35V C377 470 R358 470 R359 5.1V

49、 VD351 104 C388 +12V +5V +3.6V -12V Vin 1 GND 2 Vout 3 TL431U341 GND +3.6V 2N60B V301 90240V AC 103 C352 102M Z313 F2 F1 -24V GND +5V 0 R306 47UF/16v C306 100 R341 90-240VAC221 Z312 221 Z311 22K R310 1K R0 5V1/VFD Display ! SCHEMATIC DIAGRAMS 14 123456 A B C D 6521 D C B A PRINTED CIRCUIT BOARDS MAIN PCB BOTTOM TEXT VIEW 15 123456 A B C D 6521 D C B A PRINTED CIRCUIT BOARDS MAIN PCB TOP TEXT VIEW 16 123456 A B C D 6521 D C B A PRINTED CIRCUIT BOARDS MAIN PCB BOTTOM LAYOUT VIEW 17 123456 A B C D 6521 D C B A PRINTED CIRCUIT BOARDS