Icom IC-7000 Service Manual - Page 82

BUS LINE1 3R3V 5V MAIN UNIT (4) DSPI2 DSPI1 MAIN UNIT (3) DOUT DSPO1 DSPO2 8V 14V MMDK SQSS DOTK DASK WFML LRXD LTXD CIV CIVE START KEY MUDL FORL REFL ALCL SNDL DPTL THML 2MBS RTKI REFCV IMR MMSL IMR2 C2260 0.1 R2311 18k L2011 EXCML16A270U L2012 EXCML16A270U C2017 0.1 C2020 0.1 8V 14V ICL ICH H6CR8 ID1V C2275 0.1 C2285 0.1 C2264 0.1 C2266 0.1 C2268 0.1 C2270 0.0047 C2272 0.1 C2274 0.1 C2276 0.1 C2262 0.1 C2280 47p C2277 0.1 C2278 0.1 C2279 0.1 R2312 3.9k C2311 0.1 C2312 4.7 EP2255 L2256 100µ to LOGIC unit J701 J2251 DSPI2 GND DSPI1 GND GND GND GND NC GND DOUT GND DSPO1 GND DSPO2 GND 3R3V_B 3R3V_B 5V 5V 8V 8V HV DREF NC NC NC VSTB SCK MOSI AFMS EP2263 EP2251 5V L2257 100µ EP2252 R2251 220 R2254 220 R2255 220 R2256 220 R2281 220 R2280 100 EP2254 EP2257 EP2260 L2260 EP2253 R2279 EP2256 EP2259 100µ 1k L2263 100µ EP2261 L2264 100µ L2265 100µ L2266 100µ L2267 100µ EP2262 L2268 100µ EP2265 EP2264 EP2266 to LOGIC unit J651 J2252 14V 1DST MMDK 3DST SQSS PDT DOTK PCK DASK 1CN0 WFML 1CN1 LRXD PRES# LTXD LOST CIV NC CIVE NC START MST KEY MDT MUDL MCK FORL NC REFL SNDS ALCL SDSS SNDL 2T8V DPTL 4T8V THML TXS 2MBS RXS RTKI POWS NC VOUT REFCV PWRK NC GND IMR GND NC GND MMSL GND NC GND IMR2 GND NC GND 8V R2257 220 R2258 220 R2259 220 R2260 220 R2261 220 R2262 220 R2263 220 R2264 220 R2267 R2268 R2269 R2270 R2271 R2620 R2621 R2272 R2273 L2272 EP2271 220 220 220 47 220 1k 1k 220 220 100µ EP2258 C2257 0.1 C2261 0.1 C2256 0.1 C2255 0.1 C2269 0.1 C2281 0.1 C2282 0.1 C2283 0.1 3R3V 5V 3R3V_B C2254 0.1 VSTB SCK MOSI AFMS 1DST 3DST PDT PCK 1CN0 1CN1 LOST PRES# MST MDT MCK 2T8V 4T8V TXS RXS VOUT Explanatory notes VOLTAGE LINE to PA unit J2 J2004 TX LINE RX LINE 14V 14V 14V 14V 14V 14V 14V 14V 8V 8V GND GND GND GND GND GND GND GND L2004 100µ GND GND ICL HV EP2001 L2027 100µ ICH POWS L2037 100µ L2031 100µ H6CR8 ID2V L2025 100µ ID2V L2001 10µ ID1V ID3V L2002 100µ ID3V EALC C2011 0.1 C2013 0.1 C2036 0.1 C2007 0.0047 C2066 0.1 C2068 0.001 C2002 0.1 C2041 0.1 C2037 0.1 C2009 0.1 8V 14V BUS LINE3 P2T8 P4T8 VUFOR 2MBL PR3S PR4S P4R8 P2R8 REFL HFOR PRES# L2042 4.7µ C2067 100p C2029 0.1 C2030 0.1 C2047 0.0047 C2003 0.0047 C2012 0.0047 C2046 0.0047 C2040 0.0047 C2043 0.0047 C2005 0.0047 C2045 0.0047 L2034 L2009 L2028 L2032 L2029 L2006 L2010 L2035 L2017 L2016 R2004 10µ 10µ 100µ 100µ 100µ 100µ 100µ 100µ 100µ 100µ 220 to PA unit J980 J2005 P2T8 P4T8 PT8V VUFOR 2MBL PR3S PR4S P4R8 P2R8 HREF HFOR GND PRES GND IDRV ID4V PT8V PHT8 TB2V TB1V THER AT13 NC GND 3R3V MST MCK FDAT C2065 0.1 L2003 L2026 L2033 L2013 L2007 L2030 L2008 L2036 100µ 100µ EXCML16A270U 100µ 100µ 100µ 100µ 100µ L2015 R2007 R2006 R2005 100µ 220 220 220 C2008 0.1 C2048 0.0047 C2028 0.1 C2010 0.0047 C2033 0.1 C2034 0.0047 C2064 10 C2004 0.0047 C2006 0.1 C2039 0.0047 C2042 0.1 C2044 0.0047 IDRV ID4V PT8V PHT8 TN2V TN1V THML AT13 MST FDAT 14V 3R3V 14V 5V 8V_ C2618 100p ESPO D2402 MA2S111 C2401 0.1 C2402 0.1 C2406 0.001 C2408 0.1 C2410 0.1 C2411 0.1 C2413 0.1 C2414 0.0047 C2418 0.1 C2419 0.1 C2026 10 C2027 10 C2063 470p C2025 0.0047 C2018 0.0047 C2021 0.0047 C2015 0.0047 C2014 0.0047 C2069 470p C2062 47 C2001 0.0047 R2002 0 D2201 MA8047 C2169 0.1 R2213 12k R2221 10k R2211 330k R2214 10k g 8V_ MUDL MMSL SNDL MCEM MICM ESPO SQSM CP2021 CP1602 MMDK R2215 4.7k 7 -6 +5 IC2007 TS462CPT FAFO U8V LRXD LTXD R2011 4.7 IC2001 TA7808F I GO R2212 120k DASK DOTK START MODA FSKK EALC KEY BANV AF DIN DPTL SQLS DOUT RTKI Q2603 2SC4081 R2619 33k C2619 0.0047 R2618 15k R2617 4.7k C2405 0.1 8V_ 3R3V 5V REFCV 3LO 3LOE C2409 0.1 14V CIV EP2404 CIVE EP2405 h EP2413 C2423 47p FSKK EP2402 EP2403 FSKK SEND R2417 0 EP2604 C2616 0.0047 J2401 REMOTE J2407 VIDEO J2402 RTTY J2602 EXT-SP C2016 0.0047 C2019 0.0047 C2032 0.0047 C2022 0.0047 C2035 0.0047 C2024 0.0047 C2038 0.0047 L2024 100µ L2021 10µ L2023 100µ L2020 100µ L2022 100µ L2019 100µ L2018 100µ J2003 8VM U/DM MAFM SENM MCEM MIC MICM GND SQSM EP2003 EP2006 EP2008 EP2002 R2008 0 EP2004 EP2007 J2002 MIC MICE GND AFO NC PWK NC F8V LRXD LTXD to CONNECT unit J1 i C2403 0.0047 C2407 0.1 EP2409 14V EP2408 R2406 220 EP2415 R2408 47 L2402 EP2410 L2403 L2404 L2405 L2406 EP2414 L2408 L2409 C2427 100µ 100µ 100µ 100µ 100µ EXCML16A270U 100µ 1 L2411 EXCML16A270U J2405 GND GND DASK DOTK SDSS SNDL SNDS START MODA RTKI EALC KEY BANV AF DINO DPTL SQLS DOUT GND GND GND 14V 14V 14V 14V 14V 14V GND GND GND C2422 0.1 LOST PRES# 1DST PCK PDT 1CN0 1CN1 3DST FANV C2426 0.1 R2401 470 EP2411 EP2412 EP2416 EP2417 R2409 R2410 R2411 R2412 R2413 R2414 R2415 R2416 14V Q2401 2SD1619 J2406 GND 8V GND 3R3V GND 5V GND GND DREF GND NC 8VA 8VA NC NC REFCV 3LOE 3LO NC 3LOE GND 220 LOST 220 PRES 220 1DST 220 PCK 220 PDT 220 1CN0 220 1CN1 220 3DST GND D2401 DAN202K R2402 10k R2418 0 J2403 FANV NC FANG to DDS unit J951 to DDS unit J952 + M CHASSIS MF1 - C2424 47 C2412 47 C2415 0.0047 C2417 0.1 R2405 0 EP2605 EP2231 EP2606 J2601 ISPO GND P1 SP E J2231 GND to CONNECT unit W1 + CHASSIS - SP1 C2237 0.001 11 - 6