Icom IC-7410 Service Manual - Page 65

The combination of top side and bottom side of this V0 V5 V10 V15 V20 V25 V30 V35 V40 V45 V50 V55 V60 V65 V70 V75 V80 V85 V90 V95 V100 V105 • DISPLAY BOARD (BOTTOM VIEW) 14V -12V 8V 5V 3R3V MICI_ NC MPHN PSENI NC LRXD PWRK 3 R232 2 C374 C373 C372 J91 C371 TO PBT2AK GND PBT1BK PBT C354 C353 PBT2BK C352 C351 PBT1AK J91 GND R186 R188 R187 R185 R237 R240 R239 R404 R238 R403 R405 R431 R432 R433 R434 R401 R228 J81 16 TO VR-C C406 C409 C403 R416 R415 R414 IC351 IC371 R411 R412 R413 R435 R436 R631 R263 C621 R621 R634 R262 R633 R622 C375 R632 R623 C379 C1221 R624 C378 C377 C376 C355 C359 C358 C357 C356 C611 R261 R611 R612 R613 J1 R614 J1 TO MAIN D204 C405 C201 R204 R203 C521 R224 R419 C451 R522 R521 R420 R421 IC401 R422 R423 R424 R425 R301 R426 R418 R438 R437 R428 R427 C401 C402 C404 R417 14V EP1 NC EP2 NC EP3 NC EP4 EP5 NC EP10 MICE_ EP11 GND NC EP7 MPHNE EP6 R7 PTRAS R8 FRES R3 R4 LTXD R5 R6 IC521 C601 R604 R264 R601 C407 R602 C408 R603 R155 R167 R169 R141 R163 R171 R157 R162 R170 R143 R174 R156 C151 C144 R144 R172 R173 R158 IC152 C143 R175 C152 C141 IC151 R154 R165 R168 R159 R166 R164 R150 R151 C526 R142 C525 C142 C524 C523 C522 J452 J452 TO LCD IC561 R504 R503 IC501 R502 R501 C501 J451 J451 TO LCD IC541 R112 L111 1 R242 J61 R243 MP112 L112 Q112 C113 Q111 C111 J61 TO VR-A NRL R118 IC111 GND C1117 3R3V R113 D111 R115 C117 C114 D202 D203 3R3V NBL GND R201 R202 R195 R211 MP111 Q113 Q114 C115 R117 R116 R216 R212 R32 15 R213 L32 GND DOTK DSHK L31 PHNK R31 J31 GND PHEM PHOM R215 PHEM R214 PHOM J31 PHEM TO JACK R21 C21 R22 R741 C541 R254 R252 J51 R251 R253 C561 R196 R191 R190 R197 J101 MAIN DIAL R244 J81 R241 5V MAINDBK MAINDAK GND R227 4 X401 C651 R266 C641 R265 R641 R651 GND PITCHL 3R3V R652 R643 J101 R644 3R3V GND NOTL R642 R653 CP281 R654 R297 J281 R293 3R3V BUSY R292 CLK 17 R287 R291 TDTS R300 R290 R299 R289 GND DRXD P2ST R298 RESET R296 R288 CNVSS DTXD R226 R229 C281 J71 TO RIT R53 Q502 R56 Q503 C52 R52 D501 R51 J455 TO LCD J455 J454 TO LCD J454 J453 TO LCD J453 T113 C116 MP111 GND RFL GND RFPL NC GND AFL GND MIGL 3R3V J51 TO VR-B D201 Q253 Q252 R744 J71 R272 R271 R274 R273 R278 R277 IC271 C273 R225 C701 R701 C271 GND R275 GND GND RITDAK RITDBK 3R3V R276 C272 5 R231 6 B7305B DISPLAY 8 7 R221 R220 10 R219 R260 R702 R703 R711 R259 C711 R712 9 R713 11 R714 R258 R727 C724 R218 12 R704 R217 R223 R257 R725 C723 R256 R723 C722 R255 C22 MICI MICE GND SQLS 8V J21 R23 GND GND PSND MUDK AFO Q501 13 R55 J21 TO MIC C51 R54 L21 L23 14 R721 C721 EP22 L25 L24 L22 7 - 2 H300 H295 H290 H285 H280 H275 H270 H265 H260 H255 H250 H245 H240 H235 H230 H225 H220 H215 H210 H205 H200 H195 H190 H185 H180 H175 H170 H165 H160 H155 H150 H145 H140 H135 H130 H125 H120 H115 H110 H105 H100 H95 H90 H85 H80 H75 H70 H65 H60 H55 H50 H45 H40 H35 H30 H25 H20 H15 H10 H5 H0