Icom IC-E91 Service Manual
Also see for IC-E91: Instruction manualInstruction manual
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12-5 UT-121 (Optional Product)VOLTAGE LINEExplanatory notesTX LINERX LINECOMMON LINE0.001C214100R213390KR2110.1C21347PC11022PC209100KR305120KR3010.1C1040.1C2080.1C30347KR2120.001C11122KR2100.1C113100KR3070.1C1090.027C2071C30422C147KR2330R1050.001C360UNR9215JQ200NJM2115VIC3001234 56780.001C2000.1C1082SA1362Q5022R1CMX589AD5IC2021XTAL 2XTAL/CLK_RX 3CLKDIVA 4CLKDIVB 5RX_HOLD 6RXDCACQ 7PLLACQ 8RX_PSAVE 9VBIAS 10RXFB 11RX_SIG_IN 12VSS13 DOC214 DOC115 BT16 TXO17 TXE18 TXP19 TXD20 RXD21 RXC22 TXC23 S/N24 VDD2SC4081Q1000.1C1060.001C540.1C35810R310AMBE-2020IC1011 GND2 NC3 NC4 NC5 NC6 NC7 NC8 VDD9 GND10 GND11 VDD12 VDD13 NC14 NC15 NC16 NC17 NC18 NC19 NC20 EPR21 NC22 NC23 VDD24 ENCODER_EN25 GND26GND 27CODEC_RX_CLK 28CHAN_RX_CLK 29CODEC_RX_STRB 30CHAN_RX_STRB 31CODEC_RX_DATA 32CHAN_RX_DATA 33CODEC_TX_CLK 34CHAN_TX_CLK 35GND 36VDD 37CODEC_TX_STRB 38CHAN_TX_STRB 39VDD 40GND 41CODEC_TX_DATA 42CHAN_TX_DATA 43NC 44VDD 45VDD 46VDD 47VDD 48VDD 49VDD 50GND51CLOCK_MODE 52GND 53GND 54VDD 55NC 56GND 57VDD 58NC 59NC 60NC 61NC 62NC 63GND 64VDD 65GND 66NC 67X1 68X2/CLKIN 69RESETN 70RATE_SEL0 71RATE_SEL1 72RATE_SEL2 73RATE_SEL3 74RATE_SEL4 75CHANN_SEL076 VDD77 CHANN_SEL178 NC79 SOFT_EN80 BAUD_SEL081 BAUD_SEL182 SLIP_EN83 SLEEP_EN84 CODEC_SLE085 CODEC_SEL186 VAD_EN87 VDD88 GND89 GND90 VDD91 NC92 NC93 NC94 NC95 NC96 NC97 NC98 NC99 NC100 NC1C301EP352CR-821X2001GND2 GND3 OUT 4VCC100KR3040.1C2010.1C3000.001C500.1C11233KR3060.1C1020R202EP350EP20010C247KR35247KR205EP2020.001C2114.7KR50CP20110KR21747KR3000.022C3510.1C103EP3511kR10747KR3541KR10447KR20647KR203SN74AHC1G66HDBV3IC20312345220R2160.001C2160.1C3530.001C11747KR303AMODINDAFOUTBTONE100KR20847KR10047PC3550.1C357CP203NJM2115VIC3011234 56782SA1362Q1EP2010.1C203MA2S728D100CP1CP202100R10647KR2040.1C1140.1C3501C210EP2030.1C202EP10.1C1010.1C30210KR30.1C1070.001C510.1C100EP300100KR302CP2UNR9215JQ201100R353100KR215SN74LVC1G04DCKIC1021NC 2A 3GND4 Y5 VCC0.001C2042.2C3560.027C206EP100CR-820X1001GND2 GND3 OUT 4VCC2SC4081Q202XP1501Q51123 45R1111N321BIC11 VDD2 GND3 CE 4NC5VOUT47KR20710C3100.047C3520.0022C212100KR108100KR2090.1C1161kR2140.1C30.001C531KR351220R1092.2C520.1C3540.1C205SN74AHC2G74HDCT3IC2011CK 2D 3Q 4GND5 Q6 CLR7 PR8 VCCAD73311ARSZIC3501VOUTP 2VOUTN 3AVDD1 4AGND1 5VINP 6VINN 7REFOUT 8REFCAP 9AVDD2 10AGND211 DGND12 DVDD13 RESET14 SCLK15 MCLK16 SDO17 SDOFS18 SDIFS19 SDI20 SE680R350UNR9215JQ2AMBECLKSIDCELSOSCLKSIAMBEEPRAMBERXDAMBERESAMBETXDTXDTAMBERESTXCKSCLKSENAMBESTBSOSENACQRXDTAGNDAGNDRXCKDVC+3V+3DUT-121DMODAMODINBTONEAGNDRX FM: 5.08VRX DV: 5.06VRX FM: 0.95VRX DV: 3.44VRX FM: 0VRX: 3.28Vp-pRX: 3.44Vp-pRX DV: 0.4VRX FM: 0VRX DV: 1.52VRX FM: 0VRX DV: 0.4VRX FM: 0VRX DV: 1.38VJ1to LOGICunit J400DVCTXCKTXDTRXCKRXDTDCELAMBECLKAMBERESAMBESTBAMBEEPRBTONEAMODINDMODACQAMBETXDAMBERXDAGNDDAFOUT+3VDAFOUT12 - 5 |
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