Icom IC-7000 Service Manual - Page 89

11-5 DDS UNIT to MAIN unit J2406 DDS UNIT (1) J952 GND 8V GND 3R3V GND 5V GND GND DREF GND NC 8VA 8VA NC NC REFCV 3LOE 3LO NC 3LOE GND LOST PRES 1DST PCK PDT 1CN0 1CN1 3DST GND EP964 EP952 EP951 EP981 R961 220 R951 220 R952 220 R953 220 R954 220 R955 220 R956 220 R957 220 R958 220 CP951 to MAIN unit J2406 TUNER J5 ETKY ETST ET14 ETE P1001 W1 W2 W3 W4 J951 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 EP953 EP955 EP958 EP956 EP954 EP959 EP960 R959 220 R960 47 L953 100µ L954 100µ L955 100µ L956 100µ L957 100µ L959 270µ L960 100µ L962 270µ L963 270µ J1001 L1001 220µ L1002 220µ EP1003 EP1004 J1051 ELE-KEY EP1052 EP1051 C952 0.1 R1051 ERJ3GE-JPW J1101 ACC 1234 5678 9 10 11 12 13 1 8VA 2 GNDA 4 BDTA 3 SEND1 8 14VA 7 SEND2 12 AFA 11 MODA 13 SQLA EP1101 L1105 L1106 L1107 EP1100 EP1106 EP1105 EP1107 100µ 100µ 100µ EP1108 10 FSKA 6 ALCA 9 KEYA 5 BANA DIND PTTD AFOD J1151 L1110 L1111 L1112 5 6 SQLD 3 4 DOTD 1 2 GND EP1102 100µ 100µ 100µ L1152 L1153 L1154 EP1103 EXCCL3225U 100µ 100µ EP1104 DATA 11 - 13 C1001 0.1 C1051 0.0047 C1052 0.0047 C954 0.0047 C955 0.1 C957 0.1 C958 0.0047 C959 0.0047 C960 0.1 C961 0.1 C962 0.1 C963 0.1 C964 0.001 C966 0.1 C967 0.1 C981 0.1 C968 10 C953 0.1 C972 22 C951 0.1 C1155 0.0047 C1154 0.0047 C1153 0.0047 C1152 0.0047 C1151 0.0047 C1115 0.0047 C1114 0.0047 C1113 0.0047 C1112 0.0047 C1109 0.0047 C1108 0.001 C1105 0.0047 C1111 0.0047 C1104 0.0047 C1110 0.0047 EP957 R962 0 R8 39k C1116 0.001 C1117 0.001 DREF DREF 3LO LOST PRES# 1DST PCK PDT 1CN0 1CN1 3DST DASK DOTK SDSS SNDL SNDS START MODA RTKI EALC KEY BANV AF DIND DPTL SQLS DOUT C956 0.1 C973 22 C974 22 C975 100 C976 100 C977 100 C978 100 EP6 R2 2.2k R9 27k R11 ERJ2GE-JPW R10 22k C7 0.1 R5 100 C2 0.0047 X1 CR-788 1 2 VCON GND VCC OUT 4 3 C1 0.047 Q1 2SC4215 L1 0.15µ C5 82p R3 4.7k R4 220 C3 68p C126 0.0047 C105 L105 0.001 1.2µ R106 150k C102 27p R101 470 L101 0.22µ R102 100 C104 0.0047 C101 6p Q101 2SC4403 FI101 FL-391 1I O2 345678 C4 0.0047 R56 18 C6 C51 68p 0.0047 R55 270 R57 270 10µ L51 R51 1k C53 0.0047 IC51 C54 C52 AD9833BRM L53 0.1 R61 10k 0.0047 1 2 3 4 5 COMP VDD CAP/+2.5V DGND MCLK VOUT AGND FSYNC SCLK SDATA 10 9 8 7 6 C58 0.1 R52 1k R53 1k R54 1k 3DST 3PCK PDT 220µ C60 120p IC61 SN74AHC1GU04DCK 1 5 2 3 4 C62 0.1 C56 0.1 C55 47 Explanatory notes VOLTAGE LINE R155 10 R104 100 C120 0.0047 R154 10k L151 0.12µ C151 0.0047 C152 15p Q151 2SC4673 R160 15 R162 L153 15 47n C155 8p R158 39 CP151 R161 15 C154 33p C156 33p R159 150 R157 150 R103 82 R105 82 R121 4.7k C150 0.0047 R150 82 R151 100 EP301 EP251 IC251 TK11218CM 1 2 3 CONT GND N.BYPASS VIN GND VOUT 6 5 4 C254 0.1 C255 22 C252 0.1 C251 0.1 C253 22 R213 10 R201 10 C202 7p L204 0.22µ C211 0.001 C216 0.0047 R202 470k L201 47n C206 2.5p Q201 2SC5226 C208 C210 C218 L213 4p 4p 6p 15n 3PCK L52 10µ C307 0.1 1CN0 L205 C207 27n 15p L206 C209 22n 27p L210 C217 22n 82p C219 10p R211 470 C221 0.0047 R214 47 L202 10n R212 1k C224 0.0047 L212 33n C317 0.1 C318 0.0047 1CN1 SDIO SCLK CS C222 4p Q211 2SC5226 C203 27p 1 2 3 GND IN IN 8 GND GND OUT OUT GND 7 6 5 4 FI201 NSVS776 PRES C204 0.1 SDSS C57 0.1 R315 1k C320 10 R309 1k R310 1k R311 1k R312 0 R306 1k R301 1k DOTK DASK R1103 100 R1105 100 START MODA D1101 1SS302 L1103 100µ C1106 0.0047 CP1101 RTKI EALC KEY BANV DIND DPTL AF SQLS DOUT D1102 DAP202K R1106 2.2k R1107 2.2k + - R1102 10k C1101 0.0047 Q1101 2SC4081 R1101 1k PCK PRES# IC52 SN74AHC2G04HDCT 1 8 2 7 3 6 4 5 R1108 47k RL1101 ATN207-K1 Q1102 2SD1623 SNDS SNDL 1DST PDT R1109 47k IC62 SN74LVC3G34DCUR 1 8 2 7 3 6 4 5 C1107 0.0047 C63 R62 0.1 10 PRES SCLK CS SDIO R1104 10k C1102 0.0047 EP302 EP304 48 47 46 45 44 43 42 41 40 39 38 37 EP303 C319 0.1 DGND DGND OSK SYNC CLK SYNC IN DVDD I/O DGND SDIO SCLK CS SDO IOSYNC C301 0.1 C302 0.1 C303 0.1 C304 0.1 R303 0 C305 0.1 C306 R304 0.1 1k 1 2 3 4 5 6 7 8 9 10 11 12 I/O UPDATE DVDD DGND AVDD AGND AVDD AGND OSC/REFCLK OSC/REFCLK CRYSTAL OUT CLKMODESELECT LOOP FILTER IC301 AD9951YSV RESET PWRDWNCTL DVDD DGND AGND AGND AGND AVDD AGND AVDD AGND AVDD 36 35 34 33 32 31 30 29 28 27 26 25 R316 10k AVDD AGND AGND AVDD AGND AVDD AVDD IOUT IOUT AGND DACBP DAC RSET 13 14 15 16 17 18 19 20 21 22 23 24 EP305 R314 2.7k C308 0.1 C312 0.1 C310 0.1 C309 0.1 R317 1.2k a d b c C314 0.0047 C327 0.0047 C59 330p 3LO C61 330p 5V 8V_ BUS LINE1 3R3V DDS UNIT (2) BUS LINE2 2LO