创维3S35机芯高频头电路原理图
1 2 3 4 5 6 7 8 A B C D 8 7 6 5 4 3 2 1 D C B A 3s35高频头原理图 3s35高频头原理图 R128 150K CI25 10u CI2 1u CT4 0.1 AGC VT BU BH BL +B F4 K3957M F3 K9351 C41 0.01u R129 33K R179 10K C65 100 C IN Y/CVBS IN 3 Q21 DTC114EU R197 5.1K OSDR OSDB 8V R G B R17810K R180 220 R177 10K OSDFB 5VD Q22 DTC114EU 5VD DZ2 3.9V 3 12 9 7 1 23 11 8 2 10 6 4 15 5 20 13 14 21 19 22 2 5 4 3 1 24 17 16 18 CZ1 R145 22K C36 0.1 C50 0.1 C49 4700 R158 100 CI23 1u C48 1uF CI33 1.0u CI35 1.0u C59 0.01 R173 1K R174 220 D1 HSU277 C54 0.22 C56 0.01 R166 1.2K R144 1K R150 150 R175 220 R176 220 R151 150 C51 0.01 C44 0.01 C53 C42 1n R130 100 X5 3.58M X4 4.43M C39 0.01 R131 100 C43 0.33 R169 560 R172 560 R160 5.1K CI27 47u CI1 1u CI28 47u CI32 1.0u C35 10u CI31 1.0u CI30 1.0u CI29 1.0u CI36 2.2u CI26 47u C38 0.01 R149 15K AGCOUT GOSD BOUT Vout GEXT/Y TUNER SAW PIFIN2 R140 8.2K PIFIN1 64 SCL SLPF 63 BOSD 62 Icath(8V) R148 2.2K ROUT 61 GOUT 60 CVBSOUT1 59 BEXT/Cb CHR 58 Y/CVBSIN3 APR 57 REXT/Cr 56 FBEXT NC 55 54 AGCPIFCAP VREFIF 3 53 AGCSIFCAP 1 SIFIN2 2 52 4 SIFIN1 5 51 6 FMCAP 7 50 8 AUDIO OUT 9 GNDD 49 10 11 VCCD 12 48 13 IC2 SDA 14 47 15 16 STV2238H 17 18 19 46 20 21 45 22 23 44 24 43 25 42 26 41 27 40 28 39 29 38 30 37 31 36 32 35 33 34 CI37 220u R147 1K R182 75 C55 0.22 CI22 1u R135 10K Q2 DTC114EU Q1 DTC114EU Q15 DTC114EU R132 10k R2 100 C40 0.01u R134 10K D6 HSU277 D8 HSU277 R133 10k CI24 1u R181 330K 46 37 40 42 48 51 38 41 47 39 43 45 34 44 59 36 35 58 60 57 52 32 33 31 CZ3 D10 HSU277 C18 12 R137 10K R136 10K I F R156 5.1K CI38 47u C66 0.1u R106 100 R108 100 R102 100 CF2 X4.5M Q18 DTC114EU Q17 DTC114EU R153 5.1K R154 5.1K LI2 8.2uH R6 100 2 5 4 3 1 CZ2 17 16 18 19 20 21 22 15 14 13 12 6 5 7 8 9 10 11 GREY IRIN TEST TEMP AV1/2 WOOFER VOLT NC KEY YUV A-L 4 3 2 1 28 29 27 26 25 24 23 OSD NC OSC OSC OSD NC GND RESET VDD TV/AV NC 30 31 32 33 39 38 40 41 42 43 44 37 36 35 34 IC3 S3F880A C67 0.1u R18410K R185 10K C72 0.01 R206 100 IR-IN A/D YUV SW AV1/AV2 KEY 5VD V-POS 50/60Hz R205 100 VOL-R VOLTAGE R127 100 R122 100 R123 100 R124 100 R126 100 R157 5.1K R203 100 WOOFER R204 100 VOL-L C71 150P R199 3.3K R198 12K R208 33K Q24 BC847W CT6 0.1 CT5 0.1 R210 33K R209 33K R207 22K VT 33V R112 100 R161 5.1K R189 5.1K R188 5.1K R190 100 O SD B OSD G OSD R OSD FB SC X6 8M C64 22P C62 22P C63 22P C61 22P L2 R162 5.1K R202 5.1K R201 5 .1K VL VH UHF OSDG C58 0.01 R170 560 R196 2.7K R183 10K R186 2.7K SDA SCL FAC R195 100 TV/AV C60 100P V DRV R155 5.1K C57 560 R171 3.3K R194 1K ON/OFF R111 100 50 49 26 25 R152 100K Q20 BC847W Q16 DTC114EU R167 68K R138 10K GND GND R168 75 R139 22K R101 100 53 54 29 28 30 27 56 55 R200 10K 5VD 5VD 5VD R3 100 R4 100 R5 100 5VD Q23 DTC114EU R1 91 103 R193 5.1K R192 2.2K DZ1 3.9V 5VD R1 33K Q19 BC847W R146 560 R141 68 C52 0.1U GND Q302 D2499 D303 BA158 C323 560P/500V C325 10U/250V H-DY +180V HEAT V-DY F601 3.15A/250V C601 150n/250V L601 C602 220n/400V SW601 L602 DGC-HL-21 IC602 KA33V Q301 C2383 33V RO GO BO 8V GND CN 201 GND C326 CN302 CN602 CN601 ON/OFF C318 0. 39u/400V C317 1u/160V D302 L301 44uH 5V 18V C206 T601 BCKEC40F Q601 1015 D605 0. 1u D615 BYW36 4700P/500V D612 BA158 C616 470P/500V C680 2200P/400V Q603 C608 C605 D603 D604 D613 BA15 8 C617 47 0P/500V 3 4 2 1 IC601 P621 D611 6.2V Q603 1815 7. 5V D606 C30 8 1000u C313 47 u 8V C609 4700P IC603 L7808 C631 1K/16V Q606 2482 D625 5.6V C002 10u D614BA158 C618 470P/50 0V 470u/35V 24V ~220V 50HZ 470u/35V T602 IN414 8*4 22 0u 220~ 10.5~ Q003 1815 HEAT 180V GND IC302 L7812 D305 2 1 CN502B CN502A A51JSY63X13 BSC21-2088S T301 12V C303 100P C622 47U/160V VOLT Q203 1815 T302 HD D207 4148 1 2 3 4 5 6 7 8 9 10 11 2 C320 1KU\16V 1 4 2 3 8 9 5 7 D304 4148 +110V V.SYNC Q301 C301 10u SC H.SYNC BC 12V V.POS C305 1KP Q503 BA158 C532 270P C531 18P Q503 1815 4148 C542 0.01V C541 470/16V Q521 BA158 C522 270P C521 18P Q511 D511 BA158 C512 270P C511 18P +8V AUDIO IN OUTSIDE A 1 IN OUTSIDE A 2 IN SW2 SW1 C207 1u C441 1u C237 1u VIDEO OUT Q205 1815 VIDEO 2 I N V2 IN V OUT A 1 I N A2 IN A OUT A2 IN AOUT A1 IN V1 IN C208 1u 8V HEF4052 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 V 1 IN Q201 A1015 D201 4148 C201 220u Q202 1815 12V 1 2 3 4 5 6 7 8 9 C208 220U C208 47U C511 0.1U C403 560P 8/8W C406 0.01 C404 0.01U C208 47U SV FV TO CR T R G B HEAT GND SV FV VCC A OUT R601 4/5W R304 100 R314 1K\0.5W R313 22K/1W R205 2. 2K R335 220K R317 2.2 R307 270/0.5W R601 2.2K R321 75 R319 1.2K R617 150K RP601 2KB R628 22 R629 6.8/2W R301 6. 8/2W R615 5.6K R303 1.8k R057 10k R323 2.2k R327 560 R310 3.3k R216 5.1k R032 1k R209 10 R404 220k R405 51k R401 51k R209 68 R202 5.1k R010 10k R203 5.1k R248 22k R212 22k R442 22k R512 2.7k R514 330 R515 2.2k R513 150 R533 330 R5 34 330 R535 2.2k R523 150 R524 330 R525 2.2k R522 2.7k 2 R542 10 k R541 27 0 R613 1/ 1W R680 8. 2M/0.5W 1M RP401 RP402 TDA 8174 TDA 1905
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