CENTURY Century USB 1700 free download

File name USR1700-012-00.pdf

ESQUEMA ELЙTRICO DO RECEPTOR USR 1700 CENT. TOMADA DE FORЗA +5V 1 U111 CN110 AC ~ 110/220V T1 7805 +5V(TUNER) 1 2 2 } FIO AMARELO +10VAC D113 D112 D111 + D114 + C111 3300uF/16V C112 100nF 2 1 3 Q111 KIA1273 Q113 BC557 +5V(MODULADOR) +12V . TRAFO +10V / +18V R115 R111 330R + 1K PSAT/TV }110/220V RELE R117 100R C113 470uF/16V + C15 C16 100nF 2 . . C125 + 47uF/63V + C126 47uF/63V D122 D121 R124 1K C120 1000uF/50V + D125 ZENER 27V C122 100nF VT 28V C306 100nF PULSO R120 10K R121 47K 1N4007 4R7 5W LNB(18V) R122 470R C127 470uF/16V R123 Q115 BC547 100R + 1N4007 1N4007 Century Electro-Electronics TНTULO: Circuito da Fonte do Receptor USR1700 COD.: 10.02.015 REV.: 00 COD.: 26.10.012 REV.: USRFX 1997 DESENHADO POR: Luiz EduardoDATA: 05/12/00 APROV.: PAG.: DOC.: REV.: 00 130 1/4 PLACA: C:\RECEPTORES\USR1700\10-02-015\ESQUEMA\USR1700-012-00.DSN PRODUTO: USR1700 P 4R7 GND +5V . } FIO PRETO +18VAC U112 7812 R118 R112 Q112 1 3 +12V BC547 R113 47K 10K POWER(ON/OFF) 1K Q114 BC547 D116 D117 D115 + D118 C118 100nF 2200uF/35V +5V CN101 BARRA TRIPOLAR D124 R126 R125 ESQUEMA ELЙTRICO DO RECEPTOR USR 1700 CENT. REV. DESCRIЗГO APROV. DATA +5V SW103 POWER C301 100nF R311 5K6 R312 5K6 R302 5K6 R303 5K6 R304 R305 5K6 5K6 R306 5K6 R307 5K6 SW101 CH DOWN U301 80C51 OSC C303 40 31 19 18 VCC EA/VP X1 X2 P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7 P2.0 P2.1 P2.2 P2.3 P2.4 P2.5 P2.6 P2.7 RD WR PSEN ALE/P TXD RXD +5V 22K R326 47R R324 10K 1 2 3 R323 4K7 1 2 3 + C307 10uF/25V IRS R320 47R Q302 BC557 U302 1 2 3 4 1 7 2 24C04 8 3 6 4 5 7 8 6 220R 5 220R +5V 39 38 37 36 35 34 33 32 21 22 23 24 25 26 27 28 17 16 29 30 11 10 R349 R348 R347 R346 R345 R344 R343 R350 R331 R330 R329 R328 SW102 CH UP R360 1K R361 1K R362 1K 100R 100R 100R 100R 100R 100R 100R 100R 560R 560R 560R 560R 11 7 4 2 1 10 5 3 +5V R336 R335 R334 R333 4K7 4K7 4K7 4K7 R339 R338 R337 A B C D E F G . 4K7 4K7 4K7 +5V DISP101 100nF DIG2 DIG3 12 9 20 12 13 14 15 1 2 3 4 5 6 7 8 R327 C304 + +5V 9 8 SKEW PSAT\TV INT0 INT1 T0 T1 P1.0/T2 P1.1/T2X P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 POWER 3 3 +5V 2 R314 5K6 1 +5V Q305 BC557 1 3 Q304 BC557 1 2 1 Q306 BC557 RE-EN SDATA SCLOCK AUD-EN VOL-EN MUTE +5V Q303 BC557 3 2 2 10uF/16V R319 5K6 R322 5K6 +5V Century Electro-Electronics R318 R316 10K 10K R317 R315 IRS 301 Q301 BC547 R321 1K C305 10nF IF/BW R325 470R TНTULO: Circuito do Microcontrolador do USR1700 COD.: COD.: C302 100nF PRODUTO: USR1700 PLACA: USRFX DOC.: 00 10.02.015 REV.: 26.10.012 REV.: 1997 APROV.: DESENHADO POR: Luiz Eduardo DATA: 05/12/00 130 REV.: 00 PAG.: 2/4 C:\RECEPTORES\USR1700\10-02-015\ESQUEMA\USR1700-012-00.DSN 6 RESET GND LED DIG4 D301 DIG.1 ESQUEMA ELЙTRICO DO RECEPTOR USR 1700 CENT. +12V +12V F201 FILTRO 10.7MHz BW-150 KHz 3 2 1 U200 KIA6003 +12V KIA6003 1 2 3 4 5 6 7 8 9 R213 R209 47R R208 330R BANDA BБSICA R206 470K C200 L200 12uH Q210 BC 547 MUTE C206 82pF C208 10nF C210 120pF R218 10K R219 2K2 C220 10uF/16V + L206 BOBINA 10.7MHz R215 3K9 C21