Icom IC-M604A Service Manual - Page 45

12-2 MAIN UNIT CP12 CP10S R313 1 S5V C432 0.001 R309 1 WXDEC R306 1 C392 0.001 R302 NTCG16 TO LOGIC UNIT J1 GND WXDEC 2 RXADJ 4 GND 6 8V 8 PCK 10 PSTB 12 ATT1 14 H/L 16 GND GND 18 20 TXDET 22 GND 24 26 J1 26FLT-SM2-TB TEMP 1 SQL 3 DEC1 5 DEC2 7 S5V 9 GND 11 PDATA 13 UNLK 15 ATT2 17 TMUTE 19 DASTB 21 SEND 23 GND 25 R308 1 SQL CP16 CP10S C435 0.001 CP14 CP10S CP17 CP10S PSTB PCK R315 1 ATT1 R317 2.2K H/L R319 2.2K TXDET R323 1 SEND DASTB TMUTE ATT2 UNLK PDATA C434 0.001 CP13 CP10S CP19 CP10S CP18 CP10S CP15 CP10S R322 1K R321 1K R320 2.2K R318 2.2K R316 1 C201 0.047 SQL CP4 CP10S 1.25V at -8dB C95 0.1 R66 1K R65 10K R64 1K IC2 NJM2125F 5 1 4 3 2 C94 0.22 8V R61 10K R63 10K R62 10K C93 0.22 R71 47 R343 NTCG16 C100 0.1 IC3 NJM2902V 5 7 6 R81 470K C109 0.01 IC3 NJM2902V 4 V+ GND 11 C108 C107 0.01 0.01 3 1 2 IC3 NJM2902V C99 0.1 R76 10K C98 10 R75 10K R74 10K R72 100K C102 0.1 3.74V C106 470P C105 0.033 C104 0.033 C103 0.012 R73 100K R80 470K R79 1.5K R78 8.2K R77 10K R150 470K R149 1.5K R148 8.2K R147 10K R151 470K C187 0.1 C186 10 R142 100K C431 0.001 R163 100K C202 0.22 R154 470K IC9 NJM2211M C208 0.033 1 2 3 4 5 6 7 V+ IN LOCK GND Q Q DATA CAP CAP R LOOP REF NC FSK 14 13 12 11 10 9 8 C207 0.1 R158 100K C205 0.0022 R312 R310 1 1 R311 1 DSC2 DEC1 S5V RXADJ DET IC3 NJM2902V 10 8 9 C197 0.01 C196 0.01 C195 0.01 IC3 NJM2902V 12 14 13 C194 470P C193 0.033 C192 0.033 C191 0.012 R143 100K C115 0.0022 R89 39K R91 2.2K C111 0.047 R160 15K C206 0.01 R159 39K R161 2.2K C112 0.22 R84 470K R85 IC4 NJM2211M C118 0.033 1 2 3 4 5 6 7 V+ IN LOCK GND Q Q DATA CAP CAP R LOOP REF NC FSK 14 13 12 11 10 9 8 C117 0.1 47K R155 47K IC5 BU4584BFV 1 14 R157 330 2 13 3 12 4 11 5 10 6 9 7 8 R87 330 R88 100K R90 15K C116 0.01 C114 470P C113 0.1 R86 47 C204 470P IC11 TC4W53F 1 8 2 7 3 6 4 5 R146 10K R145 R144 10K 10K C190 0.1 3.74V Q11 2SC4116 8V R8 R111 470 R113 390 X2 CDBC450CX24 R112 1.2K C170 100P 3.70V R181 10K C222 0.001 C224 10 C223 0.1 R188 330 R185 100 C221 1 C236 0.0022 C232 0.0022 C233 0.01 Q12 PMBFJ310 C172 0.1 C171 47P C169 0.001 C168 0.001 C167 0.1 9 IFOUT 12 C92 0.01 C74 0.1 C73 47P C69 0.1 CP7 CP10S RSSI C71 0.001 C70 0.001 AFOUT 10 9 R40 470 X1 CDBC450CX24 C72 82P R43 390 R41 1K 3.67V R47 2.2K 7 FILIN 8 6 FILOUT QUAD 11 5 DEC IFOUT 12 4 IFIN RSSI 13 3 VCC N-DET 14 2 MIXOUT N-REC 15 1 OSCOUT GND 16 OSCIN MIXIN R98 3.3K L25 4.7H L26 0.75H C62 1.5P C61 33P R38 3.3K C60 0.001 C59 0.01 R96 100K C91 0.01 C90 0.001 C63 0.01 R97 330 C68 0.01 Q2 2SC4215 FI1B FL-404 R95 680 C96 0.001 FI1A FL-404 D15 MA742 Q3 PMBFJ310 R39 10 C55 0.01 L19 #617DB R37 22 C64 6P C67 2P IC1 TA31136FNG FI3 CFWM450E IO Q4 PMBFJ310 L20 10H L22 68nH L21 82nH C52 0.001 R33 10 C49 2P D11 HSB88WS L18 #617DB C47 56P C45 12P C44 3P R19 100 R8 L12 #E526HNA C43 1P C40 C39 2P 1.5P C36 C48 2P 2.5P L15 #E526HNA L14 #E526HNA L13 #E526HNA C42 8P C41 3.5P C38 8P C37 3.5P RX: 6.77V TX: 0V Q1 3SK294 C29 0.1 C28 0.001 R18 100 C27 470P R13 22K R17 1 R15 47K C30 470P R12 100K C26 220P C54 27P C53 27P R34 470 R32 470 C77 10 C78 0.01 D12 MA8036 C79 1 C80 0.01 C81 0.001 C83 0.1 C406 0.1 R330 33K C87 270P C89 0.1 EP2 BLM11B221SB R59 1K CP3 RSSI70 CP10S R48 470K DASQL R49 33K C88 270P R51 820 N-DET 14 RSSI 13 C166 0.01 IC6 TA31136FNG FI5 FL-399 FI4 FL-368 C165 5P C164 4P C161 0.01 L56 1.2U C160 C159 R108 3.3K C158 0.001 C157 0.01 L55 4.7U 33P 3P L57 3.3U Q8 PMBFJ310 L49 #617DB C155 0.01 R107 22 Q9 PMBFJ310 C400 2P R338 R8 100 L31 #E544ENAS C409 0.001 C408 6P C407 5P R335 2.2K R333 10K D21 HSB88WS L48 #617DB C423 56P C421 3P C420 12P C419 C418 1.5P 1P C415 C414 0.75P 0.75P C411 C410 1P 1.5P C417 3.5P C416 8P C413 3.5P C412 8P L34 #E544ENAS L33 #E544ENAS L32 #E544ENAS RX: 6.77V TX: 0V Q7 3SK294 R331 100K C401 220P R336 1 R334 47K C405 470P OSCIN MIXIN 1 OSCOUT GND 16 2 MIXOUT N-REC 15 6 FILOUT QUAD 11 7 FILIN AFOUT 10 C404 0.1 C403 0.001 R337 100 R332 22K C402 470P L50 10U 3 VCC 4 IFIN 5 DEC C176 0.01 C175 10 D22 MA8036 L64 0.1H R189 4.7K C433 R314 0.001 1 C199 0.001 R120 1.2K 8 C397 0.001 C398 470P C399 0.001 C393 470P PCK R329 1 HLVL R324 1 C436 470P TO AF J2 J2 10 9 8 7 6 5 4 3 2 1 GND DET GND MOD HLVL PDATA PCK R8 S5V 8V CP20 CP10S CP21 CP10S C438 470P R325 1 R326 0 C439 0.001 R327 0 R328 0 C440 0.001 L91 220H S5V C245 0.001 C441 0.001 C244 0.22 to AF UNIT J5 1 2 3 4 PSTB PCK PDATA UNLK LOCK: 0V UNLOCK: 4.83V VCC VCC CP8 CP06S VCC CP9 CP06S VCC 13.72V R299 1K RXLV CP1 CP10S R214 27K C248 0.047 SVA GND GND CP10 CP06S GND CP11 CP06S GND TXLV CP2 CP10S C246 0.01 R212 100K R182 1K C225 0.047 SVA D32 HVC358B C278 0.1 SVA D39 1SV214 R219 2.2K R217 2.2K L61 3.9H D33 HVC358B L62 LB-258 C254 0.001 IC12 µPD3140GS 1 2 3 4 5 6 7 8 9 10 VCC1 IN1 ENB CLK DATA T1 LOK CP1 FI1 FO1 GND1 IN2 VCC2 XB XI XO GND2 CP2 FI2 FO2 20 19 18 17 16 15 14 13 12 11 1K R213 C261 0.001 C262 0.1 C263 0.01 C243 0.001 R196 100 C227 2P C229 18P C231 18P C228 18P C230 18P C391 6.8 R205 100 R203 100 C260 27P C259 27P C252 0.001 L67 0.1H R202 68K C235 3P Q13 2SC4215 C237 12P R192 680 R186 L63 1.2K 2.2H R190 4.7K R191 100 C200 0.001 L65 0.1H R193 68K R194 100 C240 27P C239 27P R195 68 R204 68 L66 56nH C242 20P R8 S5V 8V MOD L70 56nH C253 20P C241 5P Q14 2SC4215 R201 680 C251 5P Q15 2SC4215 R209 330 X4 CR-827 C257 68P R208 47K R207 470K C258 0.001 C256 5P D35 1SV288 C255 15P R221 1.2K 2.64V L68 1.0H C265 0.01 R222 470K C267 3P C269 10P C266 18P C268 18P L69 1.0H C264 5P Q16 2SC4116 Q17 2SC4116 8V R226 10K C271 1 C273 0.1 C272 0.001 C274 10 C247 0.1 R218 3.3K C277 R227 1 47K R228 33K R232 680 R233 68K L75 0.1H C294 0.0022 C288 0.0022 C289 0.01 C280 1P D37 1SV214 C276 47P C275 0.001 C249 2.2 R220 L72 33 3.3H D40 1SV214 L73 LB-258 C284 4P C286 10P Q18 PMBFJ310 C290 0.5P Q19 2SC4215 C281 3.5P C282 6P C283 0.5P R230 L74 1.2K 2.7H C285 3P C287 10P D41 1SV308 R238 1K L79 2.2H 8V Q22 DTC144EU R8 Q21 DTA144EU R116 10 C184 12P R123 330 R122 100K R256 2.2K L52 68nH L51 82nH C150 0.001 R105 18 C316 0.001 C317 0.001 C152 30P C151 27P R106 270 R104 270 C183 18P X3 CR-804 C177 1 C178 0.01 C179 0.001 C182 0.1 2 1 543 FI6 ALFYM450F=K 8V R8 R124 3.3K Q10 2SC4215 L92 180nH R243 3.3K L81 180nH DAFREQ DAHLVL DASTB PCK PDATA DADEV C383 0.01 R293 1K R295 0 R292 470 R291 470 R241 47 Q23 2SC5110 C308 10P 5.01V R245 220 C309 0.001 R244 2.2K IC15 M62363FP 1 2 VIN1 VIN8 3 VOUT1 VOUT8 4 VOUT2 VOUT7 5 VIN2 VIN7 6 VDD GND 7 LD RESET 8 CLK VDAREF 9 DI DO 10 VIN3 VIN6 24 23 22 21 20 19 18 17 16 15 11 VOUT3 VOUT6 14 12 VOUT4 VOUT5 13 VIN4 VIN5 C381 0.001 DASQL DAPCON C330 0.001 D42 MA77 R252 100 5.80V C292 12P R251 100 R253 3.3K L83 0.1H C319 0.001 C318 15P D43 MA77 R258 39 C323 47P L84 47nH Q27 2SC5110 R259 2.2K C307 0.001 R263 10K L85 68nH C331 0.001 R262 10 R7 0 R8 0 Q35 2SA1577 8V T8 R296 10K C385 0.001 R297 2.2K Q36 DTC144EU Explanatory notes VOLTAGE LINE TX LINE RX LINE COMMON LINE T8 R267 1K C334 20P Q28 2SC3775 R268 82 TX: 7.25V RX: 0V C339 0.001 L86 82nH R271 22 R272 22 TX: 7.29V RX: 0V C345 22P L87 47nH L88 47nH C346 18P C347 39P C338 3P Q30 2SC3775 VCC C353 22 C348 18P C351 10 C352 0.001 C354 47P C355 470P C356 0.001 CP24 CP10S CP25 CP10S CP26 CP10S CP27 CP10S T8 IC13 RA35H1516M IN VCC1 VCC2 OUT W7 MJP-0.2 R287 470 C375 22P R286 10K R285 3.3K R273 1K R274 82 C341 47P C342 470P C343 0.001 C379 0.001 C378 10 D49 MA8051 R254 2.2K R255 220 C320 0.001 R257 1K C322 R260 0.001 390 C324 18P C325 18P R264 10K R265 100 C332 47P C333 0.001 D44 1SS355 C335 0.001 MAIN UNIT HI: 3.25V LOW: 2.74V 5 3 4 1 R290 100 IC14 2 NJM2107F TX: 2.85V RX: 2.76V C376 0.001 C377 0.001 Q37 DTC144TU R288 1M DAPCON TX: 0V RX: 4.76V R284 47K C374 0.001 C373 0.1 C372 0.22 R283 1.5K C371 0.001 R9 0 R10 0 2577 MP1 2577 MP2 2577 MP3 2577 MP4 2577 MP5 CASE-BM7H EP3 2 1 2 1 4 3 2 1 4 2 3 1 4 3 2 1 4 3 2 1 C361 18P C6 0.001 L2 LA-243 L1 LA-243 5P C1 27P C3 C5 18P R236 150 C365 0.001 L90 LW-25 L89 LA-243 D46 L308CCB L3 LA-243 D1 L308CCB C7 33P C8 27P L4 LA-238 C9 150P R1 82K L5 4.7H C364 18P 0.001 1.2K 1K C363 R278 R276 0.001 1.2K 1K C362 R277 R275 HSM88ASR HSM88ASR D48 D47 R282 8.2K Q33 DTC144EU C370 0.001 T8 Q32 DTC144TU C428 0.001 R341 22K 0.001 C427 22K R342 HI: 4.75V LOW: 0V C57 0.01 C56 0.001 C35 0.001 C34 5P C33 5P R16 1.5K R14 10K C32 0.1 R11 33K R4 2.2K C12 0.001 R6 2.2K C14 0.001 D3 1SV307 D4 1SV307 R3 C11 39 0.001 C25 3P C24 18P C23 33P L11 #E526HNA C21 0.001 R31 1.2K CP22 CP10S CP23 CP10S 0.001 C13 22 R5 L6 4.7H J3 TMP-J01X-V6 ANT CP6 CP10S R239 100K C295 0.001 SEND TMUTE H/L TXDET ATT1 ATT2 12 - 2