Icom IC-7410 Service Manual - Page 90

• CONNECT UNIT (CONNECT-1) CIV CIVE CISEL UDTXD UDRXD 5V -12V UPWS VBUSK CONNECT-2 C701 0.1 C702 1 R702 100 166.7ns IC701 5V 1 5 2 VIN VOUT GND 3 CTRL NC 4 NJU7772F33 0.5Vp-p R750 1K VBUS X901 CR-890 R904 R905 1.5K 1M C906 27P C907 27P MMZ1608B301CT EP751 C751 0.01 USB EP752 4 1 MMZ1608B301CT 3 2 J751 C753 47P C754 47P EP753 USB- MMZ1608B301CT EP754 USB+ MMZ1608B301CT R906 100K R901 1.5K D901 KDS122 D902 KDS122 C902 C924 C908 0.1 10 0.1 1 2 DP0 3 DM0 VCC 4 RESET 5 EECLK 6 EEDATA/GANGED 7 GND 8 BUSPWR C909 22P R907 15K C910 22P R908 15K R912 27 R914 27 R911 27 R913 27 9 PWRON1 10 O VRCUR1 11 DM1 12 DP1 13 PWRON2 14 O VRCUR2 15 DM2 16 DP2 32 SUSPND 31 TSTMODE XTAL1 30 XTAL2 29 GND 28 TSTPLL/48MCLK 27 26 EXTMEM 25 VCC C911 0.1 IC902 24 DP4 23 DM4 22 OVRCUR4 21 PWRON4 20 DP3 DM3 19 OVRCUR3 18 PWRON3 17 TUSB2046BIVFR C912 22P R915 15K C915 22P R916 15K EP902 MMZ1608Y102BT C615 10P EP611 MMZ1608B301CT-AS R612 0 J611 REMOTE C613 0.001 EP602 MMZ1608Y102BT R614 100K C611 0.1 R617 18K D611 KDS4148U 6 5 4 R616 10K R618 0 1 2 12K 3 47K Q611 DMG50401 0 D621 RB751V R621 10K IC611 4 5 3 6 2 7 1 8 KIC7W14FK R613 R611 C621 0.1 R622 10K IC621 1 14 2 13 3 12 4 11 5 10 6 9 78 TC74HC08AF RB751V D622 EP901 MMZ1608Y102BT C905 0.1 REGIN 7 VDD 6 D- 5 D+ 4 GND 3 RI DCD 2 1 R931 10K C901 10 C903 1 R902 4.7K R651 10K R515 100 C509 0.1 8 V+ IC502 GND NJM4558M 4 D502 D Z2J051M C510 0.1 R517 560 MDRAF UMSQS UMOD R507 1.5K R508 10K C501 10 R501 2.2K LM2904PWR 2 IC251 1 R505 3 820k R506 D501 3.9k KDS4148U R504 15k Q501 2SJ144 C502 0.1 R502 1K R509 10K R510 10K C503 R511 10 1.5K C504 R512 150P 2 68K R513 1 3 1.2K IC502 NJM4558M 6 7 5 IC502 NJM4558M R516 470 D521 D Z2J051M C522 0.1 R523 1.5k IC521 1 COM 2 INH 3 VEE 4 GND VCC 8 7 CH0 6 CH1 5 A KIC7W53FK C521 0.1 R545 10k R551 1M C553 C552 10 C551 10 0.1 R521 R522 100 10k C543 1 C544 1 Q651 KRC402 C651 1 IC571 1 A VCC 5 2B 3 4 GND Y SN74AHC1G32DCK C571 0.1 R571 100 R681 IC551 1 D+ 2 D3 VBUS 4 5 DGNDU 6 HID0 7 HID1 HID2 8 SEL0 9 SEL1 10 VCCC 11 AGNDC 12 VINL 13 VINR 14 VCOM PCM2901 E 1.5K SSPND 28 27 VDD 26 DGND 25 TEST1 24 TEST0 23 VCCX 22 AGNDX 21 XTI 20 XTO VCCP2 19 AGNDP 18 VCCP1 17 16 VOUTL 15 VOUTR EP551 MMZ1608Y102B T C555 10 C554 0.1 EP552 MMZ1608Y102BT Q 901 KRC402 R561 1M X551 CR-870 C904 1 R903 10K 8 VBUS 9 RST 10 11 NC 12 SUSPEND 13 SUSPEND NC 14 NC 83.3ns 15 NC 16 NC 17 NC NC 18 NC 19 NC 20 NC 21 CP2102GM R IC901 28 DTR 27 DSR 26 TXD 25 RXD 24 RTS 23 CTS 22 NC 0.23Vp-p C562 18P 10 18P C556 0.1 C557 10 C558 C561 Q521 KRC402 R921 0 10 - 4