Grundig-GDP-2300-Service-Manual 电路图 维修手册.pdf

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1、LIVANCE GDP2300/1 LIVANCE GDP2300/2 LIVANCE GDP2304 Service Document Exchange Set Es gelten die Vorschriften und Sicherheitshinweise gem dem Service Manual Sicherheit, Material- nummer 720108000000, sowie zustzlich die even- tuell abweichenden, landesspezifischen Vorschrif- ten! The regulations and

2、safety instructions shall be valid as provided by the Safety Service Manual, part number 720108000000, as well as the respective national deviations. S Dieses Service Dokument ist nur in Datenform verfgbar This Service Document is only available as data nderungen vorbehalten/Subject to alteration Ma

3、de by GRUNDIG in Germany HS-41 1003 S Service Manual Sicherheit Safety Materialnr./Part No. 720108000000 ? RadioFans.CN 收音机爱 好者资料库 LIVANCE GDP23? RadioFans.CN 收音机爱 好者资料库 LIVANCE GDP23? RadioFans.CN 收音机爱 好者资料库 LIVANCE GDP23? 1 2 CON602 POWER SW 1 2 CON601 AC INPUT FUSE601 T1.6AL/250V C602 0.1u/ 250V

4、C6010.1u/ 250V F601 LC20-001 D601 1N4001 D603 1N4001 D604 1N4001 D602 1N4001 D608 FR107 R612 120K/1W R603 3.3M(OPEN) C607 472/1KV(OPEN) + C603 68uF /400V C608 472/1KV R610 4.7K R609 6.8K R602 56K(OPEN) R611 1K C606 100nF C605 470P C604 560P (OPEN) Q601 BC337-40(OPEN) + C610 10uF /50V + C609 10uF /50

5、V R604 1 R605 1 R606 1(OPEN) R601 75K D607 FR104 D605 FR104 R608 22K D606 BZX79C16V D617 FR104 D616 FR107 D615 FR107 D613 FR107 D610 IN5822 + C617 220uF /25V + C621 100uF /50V + C616 220uF /25V + C620 220u/ 25V + C618 220uF /25V + C625 220uF /25V + C614 2200uF /16V + C627 1000uF /16V L603 5.6u L605

6、5.6u L602 10u R617 1K R616 5.6K R615 5.1K R607 100 D619 BZX79C9V1R619 33K U603 TL431 C611 100nF REG 4 RC 3 GND 2 VCC 1 Drain 8 Sour ce 6 AUX 5 U601 TEA1523P U602 PC8 17 CY603 222/2KV CY601 102 CY602 102 D614 FR157 L604 5.6u D618 RL205 D620 RL205 + C622 470uF /25V +C619 470uF /25V + C624 470uF /25V +

7、C615 2.2u/ 50V D612 FR107 T601 0 D611 FR104(O PEN) Q602 BC337-40 Q604 BC337-40 Q603 BC327-40 R618 3.3K R620 470 R621 33K + C623 470uF /25V 1 2 3 4 5 6 7 8 9 10 11 12 JS 601 12 HEADER 1 2 3 4 5 6 JS 602 HEADER 6 +12v -12v GNDA VCCA GND GND 3.3V SVCC SG ND +9V MGND VCC PSB 5VSB GND FL- FL+ VEE j601 0

8、ohm(ope n) cadd601 560P (ope n) j602 0 OHM ! ! ! ! ! ! ! ! ! ! C630 100NF C631 220nF R630 10K CY604 0 OHM LIVANCE GDP23? LIVANCE GDP23? LIVANCE GDP23? 2.89VX3.30V 1 SMALL_SIZED_DVD(MANUAL TYPE)2.06VX2.89V 0 SMALL_SIZED_DVD(ELECTRIC TYPE)1.33VX2.06V SW1 RESERVED0.50VX1.33V RESERVED0.00VX0.50V MODE AD

9、1(PIN117) PV1 SET(V) 3.3V 2.5V SW1(P0:PIN47) 1.65V Mechanism 1V DL2S MODE 0V DL1S MODE HIGH NORMAL_MODE (V)RANGE LOW HDD13 TA(DVD) F+ HDD2 TRY_REF T1(CD) FODRV HDD10 TRY_REF NIORD RFN DMV T2(CD) HDD12 HDD3 A+5V HDD1 TRYDRV NCS1FX HDD5 VHALF FODRV NIOWR HDD0 F1(DVD) DA2 RFN NDMACK SW2 NRD PIN TRDRV D

10、A1 PIN TRDRV F+ T- NCS3FX DA0 TRSDRV HDD6 ACTMUTE TRSDRV IORDYRFP LDCUR INTRQ A+3.3V SPDRV NCE LPCO2 TRSDRV HDD4 TB(DVD) F- DA0 T+ NIOWR LPCO1 A+5V HDD7 NCS3FX F2(DVD) D+5VA PIN(DVD) MASTER NRESET DMV VHALF FE2(CD) FDT5 DA2 TRAY-OPEN NIOCS16 HDD9 TRYDRV HDD8 LDCUR DA1 F- NIORD FADR17 HDD14 FDT3 FDT0

11、 T- NCS1FXTC(DVD) TD(DVD) GAINH/L HDD11 T+ FDT4 TRYCL OSE HDD15 LD0.7 TRV-SW VREF2.2V SPDRV FE1(CD) RFP DMMUTE VDDH DA0 HDD8 NIOW R TC(DVD) F2(DVD) FE1(CD) FADR1 FADR14 FADR13LA13 HDD1 5 HDD4 DA1 FADR7 LA4FADR4 HDD5 DA2 TA(DVD) FADR0 LA2FADR2 FADR3LA3 HDD3 NCS3 FX NRD FADR6 FADR8 LA14FADR14 NIORD FA

12、DR4 FADR15 FADR11 FADR15LA15 LD6FDT6 NRESET DRAM+1.5V TRYMUTE NDM ACK T1(CD) LD0FDT0 FADR9LA9 FDT1 D+3.3V NRST FDT7 HDD7 HDD1 0 HDD1 1 FE2(CD) TRYDRVSEL HFMON DGND HDD1 FADR3 TRYMUTE TRV-SW ACTMUTE HDD0 HDD9 F1(DVD) NCE FADR12 GND DD+1.5V T2(CD) LA10FADR10 FADR8LA8 FDT2LD2 HDD1 2 HDD1 3 INTRQ FADR5

13、FADR16LA16 LD1 FDT1 PIN(DVD) VREF2.2V FDT6 CLOSE HDD6 LA11FADR11 LA5FADR5 LD5FDT5 FDT4LD4 NDASP HFMON VHALF ACTM UTE FADR17 TRYDRVSEL IORDY DMMU TE FADR10 FADR16 LA0.16 FADR0LA0 DGND FDT2 TRYO PEN D+3.3V MASTER NCS1 FX TD(DVD) LA6FADR6 LA7FADR7 A+3.3V HDD1 4 TB(DVD) GAINH/L FADR2 FADR9 LD7FDT7 LD3FD

14、T3 LA12FADR12 LA1FADR1 VDDH HDD2 NDASP NIOCS1 6 FADR13 LPCO1 LPCO2 HHD8 LCS3# /IOCS16 HHD10 HHD14 HHD9 HHA1 LA17 /HCS0 HHD2 HHD4 HINTRQ LA0.16 HHD0 /HRST HHD5 HHA2 HHD1 AUX3 HHD6 /HCS1 /HIOR HHD12 IOCHRDY HHD7 LOE# HHD3 HHD13 AUX5 LD0.7 HHD11 HHA0 /HIOW HHD15 RST# A+3.3V D+5V +5V D+3.3VA+3.3V D+5VV

15、A+5V M+9V V A+3.3V +5VD+5V D+3.3V A+5V M+9V A+3.3V D+5V GND GNDGNDGND GND GND GNDGNDGND GND GND GND GND GND GND GND P8 CC78 0.1uF RR34100 O HM RR23OPEN CC421uF CC410.1uF(B) RR1500 RR145OPEN RR12015K DD3 OPEN RR12747K CC9 4 100uF /6.3V RR13210 RR827K LL41G1C100KA0019 CC40 0.1uF(B) RR1361K RR66470K RR

16、33 1M RR13047K RR4 7 470 O HM P18 LL61 VLP0323A601R RR106 OPEN CC220.1uF(B) P20 RR4 5 470 O HM RR10310K CC7210pF CC1 90.1uF CC67100uF /6.3V LL14VLP0323A601R CC1 1 0.1uF P17 RR73470K (OPEN) CC2633pF RR122 15K RR1094.7K(OPEN) RR12482K CC6447uF /16V RR1047K(OPEN) LL51VLP0323A601R CC9010uF /16V CC3347pF

17、 P16 RR135 2 DD1MA2J11100L CC32 0.1uF RR12847K CC230.1uF(B) CC3 8 4.7uF /25V RRN610 x4 18 27 36 45 CC1447uF /16V CC950.1uF RR5 3 OPEN QQ3 2SD601A 2 13 CC13100uF /6.3V RR2547K P9 RR21 10K RR144OPEN CC270.033uF (open) RR12922K LL21VLP0323A601R RR420 OHM CC490.1uF RR4868K CC8 50.1uF CC7410pF CC150.1uF

18、CC8 30.1uF CC62 0.1uF RR143OPEN CC89 47uF/16V CC7010pF P19 RR5915K LL28VLP0323A601R LL42OPEN RR3 4.7K(OPEN) CC6 100pF (OPEN) RR4 03.9K CC170.1uF RRN510 x4 18 27 36 45 LL17 VLP0323A601R CC2 50.1uF RR947K(OPEN) LL63 10uH LL11VLP0323A601R RR727K CC8 0 100uF /16V CC5 80.1uF LL36 VLP0323A601R RR4 1 OPEN

19、CC6547uF /16V RR5 7 OPEN RR65470K LL31VLP0323A601R RR491K CC5 70.1uF RR1070 OHM CC5 60.1uF RR137OPEN CC2 80.1uF LL62 VLP0323A601R CC52820pF RR72470K RR6010K RR64470K RR1470 CC8422uF /25V LL30VLP0323A601R LL25VLP0323A601R RR30$ LL47 G1C100KA0019 RR111K CC355600pF LL440 QQ6 2SB1115- T 1 32 CC7610pF UU

20、6 PQ033EZ01ZP 1 2 5 4 3 IN VC GND NC OUT CC2 40.1uF RR2000 OHM RR74470K CC2 05pF CC2 90.1uF RR3 57.5K RR110OPEN QQ4 2SD601A 2 13 LL6 G1C100KA0019 RR2810K(OPEN) LL18VLP0323A601R RR134 2 RR2010 OHM CC2 15pF LL12VLP0323A601R CC1247uF /6.3V JJ8CON6 1 2 3 4 5 6 INSW1(DGND) SP+ TRVS+ TRVS- SP- INSW2 CC9 3

21、0.1uF RR13110 QQ2 UN2121-TX 2 13 CC3 6 OPEN RR121100 RR430 OHM RR4 6 470 O HM CC501000pF(C) LL27VLP0323A601R CC3 9 4.7uF /25V CC7110pF CC7710pF LL32VLP0323A601R CC470.01uF RR1947K (open) LL64ELJEA100KF RR1747K (open) RR70470K RRN710 x4 18 27 36 45 RR3 67.5K LL20VLP0323A601R RR1490 RR10410K RR3147K R

22、R2247K CC160.1uF CC50.1uF RR140OPEN RR146OPEN CC6 1 0.47uF RR54 12K UU7BA5833FM 3 2 1 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 2930 VIN2 VIN1 BIAS1 OPIN+ OPIN- OPOUT GND VCC(1,2) MUTE1,2 GND VO2- VO2+ VO1- VO1+ LDCNT MUTE3 TRIN BIAS2 LDIN VIN3 PREVCC VCC(CH3,4) MUTE4 GND

23、VO3- VO3+ VO4- VO4+ FINFIN CC8 8 47uF /16V CC3 00.1uF RR3210K CC8222uF /25V LL26VLP0323A601R RR40 OHM (OPEN) CC9 7 0.1uF RR29$ RR533K RR56 47K LL19VLP0323A601R RR628.2K LL22 VLP0323A601R LL45 G1C100KA0019 CC9 110uF /16V RR4 4 470 O HM CC5 50.1uF CC511000pF(C) CC431uF CC11000P F RR271K RR63470K CC731

24、0pF JJ5 HEAD2-80 1 2 RR1390 RR12547K RR202 4.7K LL34VLP0323A601R CC960.1uF P21 UU3 PST598JNR(OPEN) 1 2 34 5 M/R SUB GNDOUT VCC RR52 10K RR1410 RR13347K XX1 33.8MHz CC4 80.1uF(B) RR119100 RR108 OPEN RR12647K RR622K RR121K QQ5 2SB1115- T 1 32 LL16VLP0323A601R LL33VLP0323A601R CC8 0.1uF CC6 00.1uF RR13

25、47K (open) DD2 MA2J7800L RR1447K (open) RR1647K (open) RR148OPEN CC63100uF /6.3V RR151 0 RR12382K RR68470K CC340.018uF CC310.01uF LL35VLP0323A601R RR261K RR67470K (OPEN) CC9 20.1uF CC6910pF RR5 5 OPEN UU1 MN103SEMOT 47 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

26、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 71 72 75 76 70 73 74 77 78 79 80 81 82 83 86 87 88 84 85 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 123 124 116 117 118 119 120 1

27、21 122 125 126 127 128 129 130 131 133 134 135 136 137 138 139 140 141 142 146 147 148 149 150 153 154 155 156 157 160 161 162 163 164 165 166 169 170 171 172 173 174 175 176 144 145 151 152 158 159 167 168 132 143 EXINT0/TRYMUTE EXINT1/TRYDRV1 EXCNT0/TRYDRV2 VDD3 VSS EXCNT1/HFMON FADR17 FADR18/SW0

28、FADR11 FADR9 VDD15 FADR8 FADR13 FADR14 NWE FADR16 FADR15 DRAMVSS DRAMVDD15 DRAMVDD33 VSS FADR12 FADR7 FADR6 FADR5 FADR4 FADR3 FADR2 FADR1 FADR0 VSS VDD3 FDT0 FDT1 FDT2 FDT3 FDT4 FDT5 FDT6 FDT7 NCE FADR10 NOE MMOD VSS NRST SERIAL _RX/SW 1 SERIAL _TX/SW 2 SCL OCK/DW IRE0 SDATA/DW IRE1 TXD/DW IRE2 /MDA

29、T A RXD/DW IRE3 /MCLOCK VDD3 OSCI1 OSCO1 VSS DRV0 /TRSDRV DRV1 /SPDRY DRV2/TRYCLOSE DRV3 /STARTSP DRV4 /GAINH/L DRV5 /TRYO PEN DRV6 /TRV-SW DRV7 /TRYDRVSEL VSS DRV8 /ACT MUTE DRV9 /SPM UTE DRV1 0/FGENB VDD3 TX VDD1 5 PLFIL2 PLFIL1 FG VSS AVDDD VREFC VREFB VREFA AVSSD VCO RESI ANAM ONI CCAPA CGD AVDD

30、C POFLT CDAT A RFINN RFINP VIN5 VIN6 VIN7 VN8 VIN1 VIN2 VIN3 VIN4 VIN9 VIN10 AVSSC VREFH VHALF LPC2 LPCO2 LPC1 LPCO1 AVSSB CTKC CSLFLT CWBLOUT CWBLIN VCOF RV1 AVDDB MONI0 MONI1 LDCUR/AD2 MOD/AD1 DMV/AD0 AVDDA TRDRV/DAC1 FODRV/DAC0 AVSSA MONI2 MONI3 VSS VDD3 MASPDL/MONI4 DASPST/MONI5 NEJECT/MONI6 DMA

31、RQ NIOW R VDD3 VSS NIORD IORDY NDM ACK INTRQ NIOCS1 6 DA1 VDD3 DA2 NCS1 FX NCS3 FX NDASP HDD1 4 HDD1 HDD1 3 VDD3 VDD1 5 VSS HDD2 HDD1 2 HDD3 HDD1 1 HDD4 HDD1 0 VDD3 HDD9 HDD6 HDD8 HDD7 VDDH NRESET MASTER DA0 VSS HDD1 5 HDD0 DRAM VDD1 5 DRAM VSS HDD5 VSS NTRYCL/MONI7 NPDIAG RR1847K (open) CC180.1uF C

32、C8 70.1uF RR71470K (OPEN) RR2047K (open) CC451500pF RR5015K RR2447K(OPEN) RR5 1 OPEN RR9610K UU5 PQ015EZ01ZP 1 2 5 4 3 IN VC GND NC OUT CC540.1uF JJ9CON30 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 GND PIN(CD) T2(CD) FE2(CD) VREF2.2(CD) T1(CD) LD+(CD) GND

33、FE1 VCC5V TB(DVD) TC(DVD) TD(DVD) TA(DVD) VREF2.2(DVD) PIN(DVD) GAINH/L F2(DVD) F1(DVD) RFN RFP GND GND LD+(DVD) GND 3.3VHFM T- F- F+ T+ GND GND RR69470K (OPEN) LL29 VLP0323A601R LL430 CC3 70.1uF CC7510pF RR58 22K RR1547K (open) LL4 G1C100KA0019 CC46220pF CC441uF CC8 1 0.1uF CC5 90.1uF CC531000pF(C)

34、 RR1420 LL23VLP0323A601R RR13810K LL53VLP0323A601R RR618.2K LIVANCE GDP23? MUTE CIRCUIT QUIET0 COAX GND GND GND FR GND GND GND FL COAX GND VCC OP OP GND GND FL QUIET0 KAR FR QUIET0 LED4 BLANK SWITCH KAR ZERO SPDIF1 CVBS YDAC YDAC UDAC CDAC UDAC CDAC AOUT0R AOUT0L EAUX41 EAUX32 LED3 LED4 LED2 VCC -12

35、V +5VA +5VA +12V +5VA +12V VCC -12V GNDGND GND -12V -12V +12V +12V VCC +12V-12VVCC GND +12V GND GNDGNDGND GND GND GNDGND GND GND GNDGND GNDGND +5V VCC33 VCC33 GND GND GND GND GND GND GND GNDGND GND GND GND GND GND GNDGND GNDGND GND GND U27C 7404 56 R404 22K R20410(open) D26 IN4148(open) 1 C226 470uF

36、/25V 1 R198 470(open) R403 33 OHM(open) R405 22K Q35 8550(open) 2 13 R406 22K Q25 8550 2 13 R422 33 OHM(open) C176 10UF/25V R407 22K C193 0.1UF R408 22K(open) R412 33 OHM R21 3.3K 1 R411 11K R27 3.3K 1 R29 10 OHM 1 R409 22K(open) R410 470 R203 100K(open) R162 470 1 R414 1M2(open) R1721M 1 R199 470(o

37、pen) FB6 FERB(open) R421 75 OHM U27B 7404 34 R22 18K 1 C275 22PF R176 470 1 R156 10 OHM 1 R187 68 OHM 1 JJ12 HEADER 6(open) 1 2 3 4 5 6 C272 22PF P41 D7 IN4148 1 C242 22PF(OPEN) C222 10UF/25V 1 D5 IN4148 1 C184 150PF P40 C223 22PF R152 470 1 P39 Q30 2N3904 2 13 P37 Q26 8550 2 13 Q31 2N3904(open) 2 1

38、3 C230 0.1UF C186 10UF/25V(open) C188 150PF Q32 2N3904 2 13 R166 10M 1 Q33 2N3904(open) 2 13 R178 33 OHM 1 Q34 2N3904(open) 2 13 FB3 FERB C227 220uF/25V 1 R149 100K 1 C241 22PF(open) Q36 2N3904 2 13 C191 0.1UF C216 22PF R165 6.8K 1 Q13 2SC3326 2 13 C182 10UF/25V(open) R179 91 OHM 1 V+ V- U23-1 OPA21

39、34UA 3 2 1 84 R173 4.7k 1 Q22 2SC3326 2 13 Q28 9014(open) R159 100K 1 R201 100K(open) JS1 30PIN 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 U27A 7404 12 D6 IN4148 1 C190 1000PF P42 R17 10K(open) 1 R174 100K 1 P38 Q29 9014(open) R24 10K 1 C213 10UF/25V R167 2.2K 1 R20 10K

40、1 R415 100K(open) C192 10UF/25V R28 18K 1 R416 1OK(open) U27F 7404 1312 R20210(open) R417 10K(open) C232 0.1UF R200 1K(open) C219 10UF/25V R418 10K(open) U27D 7404 98 R419 3.3K R23 10K(open) 1 V+ V- U23-2 OPA2134UA 5 6 7 84 R420 1K C228 0.1UF C185 1000PF C273 39NF(open) U27E 7404 1110 C274 1NF(open)

41、 LIVANCE GDP23? ES60 x8 24C01 SDRAM WM8706 WM8746 2-CHANNEL AUDIO OUT WOLFSON 2-CHANNEL AUDIODAC DECOUPLING CAPACITORS TBCK- MC MCLK- L ML TWS- TSD0- ZERO HD5 HD10 HD2 HD8 HD14 HD7 HD6 HD11 HD12 HD3 HD1 HD0 HD13 HD9 HD4 HD15 R EAUX40 TWS TBCK TSD3 MCLK EAUX30 TSD0 EAUX31 HINTRQ HIRQ HHD1 HHD0 /IOCS1

42、6 HHA2 HHD8 /HRST HHD5 HHD14 HHA1 HHD2 HRD# HCS3# HIORDY HD0.15 HRST# HHD13 HHD12 /HCS0 HHA0 /HCS1 HHD9 /HIOR HHD7 IOCHRDY HWR# HHD6 HIOCS16# HHD15 HHD3 /HIOW HHD4 HCS1# HA0 HA1 HA2 HHD11 HHD10 ZERO AOUT0R AOUT0L VCC33EVCC27 VCC VCC33P VCC33 VCCA VCC VCC33 VCCA +12VVCC33 GND VCCA-12V+5VVCC VCCA VCCA

43、 VCCA VCCA M+9V GNDGND GND GND GNDGND GNDGND GND GND GND GND GND GND GND P34 B33 10UF/25V B24 0.1UF B6 0.1UF B49 10UF/25V(OPEN) P35 B18 0.1UF B41 0.1UF RRN4 10 x4 18 27 36 45 C25910UF R33133 OHM B30 0.1UF B43 0.1UF B31 10UF/25V B16 0.1UF B32 10UF/25V B14 10UF/25V CC3 0.1UF B58 10UF/25V B26 0.1UF B67

44、 0.1UF C256 0.1UF B11 0.1UF B1 220UF/16V B40 10UF/25V B4 220UF/16V R33433 OHM R35333 OHM VCCA R336OPEN B12 10UF/25V -12V B47 10UF/25V B28 0.1UF B46 0.1UF +12V B45 0.1UF B5 0.1UF B19 0.1UF B7 0.1UF B39 220UF/16V B35 0.1UF B64 0.1UF B65 0.1UF R39933 OHM RRN1 10 x4 18 27 36 45 B27 0.1UF U30 WM8706 8 7

45、23 28 27 26 25 24 1 2 3 5 18 21 16 13 14 19 20 15 DVDD DGND CSB/WO MLIIS MCDM1 MDDM0 MUTEB MODE LRCIN DIN BCKIN XTI VMID ZERO VOUTL VOUTR AGND VREFN VREFP AVDD RRN2 10 x4 18 27 36 45 B21 0.1UF R33333 OHM C25810UF B17 0.1UF B59 0.1UF B50 0.1UF B61 0.1UF B37 0.1UF B3 220UF/16V B23 0.1UF R398 33 OHM(op

46、en) B38 0.1UF B10 10UF/25V B60 0.1UF B22 0.1UF B29 0.1UF B34 0.1UF B13 0.1UF P22 B15 0.1UF B8 0.1UF B63 0.1UF RRN3 10 x4 18 27 36 45 P26P29 B36 0.1UF B51 10UF/25V P23 R33233 OHM C257 10UF/25V P36 B20 0.1UF JS3 2.54MM 1 2 3 4 5 6 7 8 9 10 11 12 B25 0.1UF R33533 OHM P32 R33033 OHM B9 0.1UF B57 0.1UF L

47、IVANCE GDP23? 32M SDRAM BA0=0 CLOSE R310 CLOSE OPEN R308 Package: SOT-23 5L R311 OPEN VFD-DATA OPEN CLOSE ESS CONFIDENTIAL OPEN (4.7K) CLOSEOPEN CLOSE 32M SDRAM BA1=1 EM-MARIN RESET IC OPEN OPEN VFD+REMOTE INTERFACE OPEN OPEN (10K) VFD-CLK OPEN 32/64MBIT SDRAM CLOSE OPEN CLOSE OPEN R312 (4.7K) CLOSE

48、 The information has been checked and is believed to be reliable. However, no responsibility is assumed for inaccuracies. Circuit diagrams are provided as a means of illustrating typical applications; consequently complete information for construction purposes is not necessarily given. ESS reserves

49、the right to make changes at any time in order to improve the design. 32M SDRAM BA1=0 R313 OPEN OPEN Pull high TDMDX to select 8-bit ROM boot, pull low to select 16-bit ROM boot R307 SERIAL EEPROM OPEN VIDEO OUT ES60 x8 OPEN Option to use 27MHz crystal at XIN/XOUT for clock generation, need to pull low ES60 x8 pin 41, no need for DCLK portion OSC circuitry OPEN VFD-CS R306 OPEN OPEN CLOSE CLOSE (1N4148) Pull high ES60 x8 pin 41 to use DCLK for clock source, no need for XIN/XOUT crystal circuitry OPEN 64M SDRAM 32M SDRAM BA0=1 OPENOPEN OPEN OPEN IR OPEN M29W800DT C YD