8K20原理图

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 8K20-19"-26"原理图 TUNER 5200-380115-0H00 1500pF X101 4MHz L103 VCC GND1 BT IF VT AS SDA SCL 5V NC AGC NC NC NC 15uH + VGA IN IF_VCC C133 R128 330 JA205 16 D-SUB15 FEMALE VCC C423 2.2uF RF_AGC R127 100 AR2 FB204 FB C23110nF R241 R240 75 C229 5pF +12V FB205 FB FB206 FB R242 75 VGASOG 68 REDP FB404 +24V FB FB402 FB + 0.1uF C126 C127 100pF C123 0.1uF C119 10nF C118 470uF/16v C101 0.1uF C441 + C134 220nF IF_VCC R206 3.9K R204 82K 2 C205 R-OUT JA203 PORT RCA2X1 DIP 4P AV3R_IN R211 22K R220 2.2K C245 100pF C207 AV3L_INN VGA_TXD 11 C208 AV3R_INN 12 JA204 PORT RCA3X3 DIP 18 V-OUT L105 100uH VCC R109 12K RF_AGC R113 10 L104 0.82uH R111 3.9K C116 R114 330 2 + AV1_IN R248 R246 75 100 C238 47pF C243 47nF CVBS1 VGAHSYNC# L201 2.2uH C224 5pF R232 2.2K R234 510 HSYNC# VSYNC# 13 14 15 24 23 22 21 20 19 18 17 16 15 14 13 C202 1 R201 R129 10K 2 Q105 2N3904 3 VCC 1K 1uF R252 30K Q201 2N3904 10uF R25 EZJZ1V C124 10nF SW101 K9352M30 C121 10uF/16V 1 2 5 3 4 Q103 C2717 3 1uF 6 1 RED 7 2 GREEN 8 3 BLUE 9 VGA_PLUG 4 VGA_RXD 10 5 0 1 2 3 4 5 6 7 8 9 10 11 12 R244 68 C235 10nF GRNP C630 220uF/16V C401 470uF/35v + C409 0.1uF C402 0.1uF 1 IC401 1uF C432 1uF C433 0.1uF C631 220uF/35V PVCCL SD PVCCL MUTE LIN RIN BYPASS AGND AGND PVCCR PGNDL VCLAMP PVCCR TPA3121 25 PGNDL PGNDL LOUT BSL AVCC AVCC GAIN0 GAIN1 BSR ROUT PGNDR PGNDR 24 23 22 21 20 19 18 17 C431 16 15 14 13 0.22uF/50V C437 0.22uF/50V L402 33uH R423 1.5K 1 C434 2 + MUTE-1 3 D VIF1 SIF2 VIF2 SIF1 OP1 OP2 FMPLL AFC DEEM VP AFD VPLL DGND AGND AUD CVBS TOP VAGC SDA RFE SCL TAGC SIOMAD NC C103 470uF/16v 1 2 4 3 8 7 2 1 + C106 10nF R104 100K + IC101 TDA9885TS 14 13 C110 C109 47uF/16V10nF R254 1.5K AV3L_IN R213 22K R216 2.2K C244 100pF R260 R245 VGAVSYNC# 0 68 C234 10nF + C232 5pF R253 C236 0 C230 4.7nF 10nF SVRR VGAGND 2 3 C403 0.1uF 4 5 C404 0.1uF C405 2.2nF C407 8 2.2nF C440 9 10 1uF 11 12 C439 6 7 L401 33uH CONN 2 W/HOUSING DIP2.54 C435 470uF/25v CN401 2 1 D 1uF L202 2.2uH C225 5pF R233 2.2K 17 R235 510 C226 100PF R251 100 R21 EZJZ1V C242 10nF C227 100PF R236 YPBPR0_GND U0TX U0RX C436 0.22uF/50V C430 0.22uF/50V R422 1.5K BLUP R243 75 C233 5pF OSDA0 3 R102 10K Q101 R107 2N7002 2 SDA_TUNER R105 10K 1 100 C112 47pF R110 10nF 100 R112 1.5K 1 C122 10nF SAW101 K7262M30 1 C218 Y0_IN 4.7nF 10nF SOY0 R131 75 R122 100 R123 10K C135 0.01uF R121 100 R133 R132 75 100 C138 47pF CVBS0P AL2 VCC C142 47nF +3V3 C105 47pF OSCL0 +5V_ON R106 10K 2 SCL_TUNER C113 47pF R108 100 C117 0.22uF/50V C120 R117 6.8K R124 100 C115 0.22uF/50V ZD101 33V VCC 33V C145 0.22uF/50V 10nF R120 22K 1 2 5 3 4 3.9K R207 R205 82K C211 C204 L-OUT AV1L_INN R24 EZJZ1V C104 47pF 1 2 3 4 5 6 7 8 9 10 11 12 FB201 FB R247 75 R250 0 C237 12pF R249 68 C239 Y0P R115 33 CN402 R218 2.2K R215 C248 22K 100pF AV1L_IN 11 12 10 9 CVBS0N 1uF 10uF 2 Q202 2N3904 3 C212 R256 1.5K AV1R_INN 17 18 16 15 5 6 4

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