Icom IC-7410 Service Manual - Page 23
Fl-431, Tx Power, Adjust Point, Mixer Balance, Rx Suprious, Rx Sensitivity, Image Rejection
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Page 23 highlights
4-5 RF-A B-7153E Adjust point MIXER BALANCE/ RX SUPRIOUS Adjust points RX SENSITIVITY TX POWER Adjust point R706 J701 TO PLL N TO BPF MKR J501 TO BPF C701 C702 C703 L702 5 L J801 TO PLL MP702 C873 C868 L869 L862 C811 R811 R812 C876 L870 C875 C874 C869 C872 L868 C877 C864 D868 C865 D867 D864 R863 R864 D862 C880 C879 D863 D861 C870 L861 C862 L871 L863 C867 C866 L864 R813 R814 L811 Q811 C814 C812 C831 L831 C832 C835 C836 L833 C834 R873 R867 R868 Q865 Q862 Q861 Q866 Q863 Q864 L856 L851 R859 R858 R725 C721 Q722 R721 R726 C724 Q723 R724 P L704 D651 C652 L721 L652 C705 C704 L703 Q601 C706 R701 C710 L651 C651 MP651 L701 R606 C606 Q602 EP601 L603 C605 R604 R603 IC601 C607 R605 Q702 C481 C491 Q701 C469 EP456 C472 R491 Q492 D491 R481 Q482 D481 Q491 Q481 R314 R455 R456 J301 HPOFS HPR2S B1 B3 B8W B5 B2 8V GND R8V J301 R353 R351 HPR1S R352 R317 B0 R319 R331 B7 R323 B8 R333 R335 B4 R325 B6 R327 HATTS 14V R343 5V C471 T8V Q317 Q319 Q331 Q323 Q333 Q335 Q325 Q327 Q329 Q321 Q337 R329 R321 Q312 Q310 Q311 Q309 14V C453 14V C468 8V HRXS C466 HTXS DRESL5 C467 GND C462 RASTB5 C459 MCK5 GND R301 HAGC 5V NC J451 C461 MDAT5 C460 ALC C463 NC C464 3R3V C457 C465 NC HIFOP1K -12V C451 10V C455 HIFOP2K R458 R457 R1142 R1141 C1142 R1144 L1103 IC1121 J951 L1101 D1101 D1102 J451 TO PLL C1124 R1125 R1124 R1123 Q1141 L1104 L1102 C1122 MP1101 L1121 C1121 MP1201 R1205 C1204 R1253 C1255 R1204 C1203 Q1201 C1205 C1253 Q1251 C1254 R1255 R1203 C1206 R1254 C1256 C1121 1 FL-431 L1071 L723 C1032 C1033 R1051 R1052 R1053 C1055 L912 FI911 C916 J931 FL-430 C613 R611 R616 C615 L612 Q741 4 Q726 R725 R726 J741 C833 L832 L855 MP1702 MP1701 C1078 MP1071 Q725 C612 R613 R612 R618 Q611 C611 R617 C614 EP611 R615 C744 R743 C742 R744 C782 L743 C743 L742 EP911 C913 C914 C919 C918 L915 EP913 L1032 J1011 O C1051 R1021 L1033 C1052 C1053 R1023 R1058 Q1051 R1075 R1076 L1051 TO MAIN R1077 R1078 C1011 R1022 MP1121 J1141 M TO PLL IMAGE REJECTION Adjust point RX SENSITIVITY Adjust point IMAGE REJECTION Adjust point 2 R1293 C1293 C1291 C1294 C1292 R1292 C1296 R1294 R1295 C1297 C1295 R1303 C1301 3 C1298 J1301 TO MAIN R1276 J1301 R1276 • THE LOCATION OF ADJUST/CHECK POINTS ON THE RF-A UNIT
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