28TK-2000 SCHEMATIC DIAGRAMR15100kD21SV325FC1071000pC3347pC341000pR4110 R423.3k47kC3822pC1051u 1kC321000p1000pD31SV325FR40747kR5820330C241000pL982nC2212p(G)C2722pR27180R375.6kC46.8u 102SC5636Q60.01uR210kC1041000pR1004.7kD7DA2S101C90.1uL610uC756p (G)C1011000pX1L77-3074-05 (19.2MHz)VCoNTGND oUTPUTVCC2SC5108(Y)FQ5C23.3kR321kC80.1uC17R32.2kC261000pC411000pR294.7kR3022015pC2112p(G)C290.5p(B)C310.01u R20010k2SC5383-T111Q3L422nC10022pC250.01uC191000pD6HVC350BL7120nR403.3k2SC4926YDQ100R1022.2kR10318C1031000pR10518Q2RT1N436U-T111L101100nC111uC181000pC281000pC301000pC3912pL14.7uL2180nIC1MB15E03SL-E11oSCIN2oSCoUT3VP4VCC5Do6GND7XFIN8FINCLoCKDATA111213LD/FoUTPRC140.01uR2010kR1910kR2110kR17R16R14R2510C150.01uQ1LTC014EEBFS8R910kC3612p (G)L827nC3515pC3715pC161000pL510uC131u 6.3MCH3914(7)-HQ4C120.5p(B)D5HVC350BR2210kR23100kC10.15uR13680R112.7kD4HSC277D100HSC277D200HSC277L322nCN1R263.9kR3410C231000pR2856C2010u 16R5133kR50100kC431000pR15518IC401EX24016ATAS0A1234 5SDA6SCL7WP8VCC4.7k4.7kR4310k47kL10068nC1021000pR104330CN3C440.1u2SC5383-T111Q7R1810kC50.68u 20R450C61uR12100kC590.033uR521kEEPROMT0SHIFTPLDLTCXOMODPLL SYSTEMVCOSQLRSSIPLDL5M5R5T5CCVDETE2DATR101C42R411R438R4121000pC408C407R33C40R39R381stLOPOWC5TCURDET1stLO+B5MPRI DRIVEE2CLKE2WP14109VOLTAGEREGULATOR/3VTX/RX SWRF BUFFERRF AMPDC SWRIPPLE FILTERFREQUENCYCONTROLMODULATORD5D2,3,4,6TX/RX SW0.18uTHDETVDCSWCURDETTHDETVDCSW+B+B10k10k10kLSDIWID/NAR WID/NARPLPSPOWCT0BPFPOWCT/RSHFCURDETTHDETVDCSWRSSISQLCURDETTHDETVDCSWCVDET5C5R5T5C5R5T5R5C5T5M+B5RCLOCKDATAPOWCLSDIBPFSQLRSSIWID/NAR5R5RPLULCLOCKDATAPFKEYE2DATE2CLKE2WPLSDILEPSZC15162ndLOBPFCN2A0A1A2VSSR440WID/NARRSSISQLBPFLSDIPOWCT0R5122706p(B)0.75V4.17V1.82VR:1.03VT:1.69V R: 0VT:1.14VR: 0VT:4.86VR:0VT:0.57VR: 0VT:4.27V5.0V5.0V5.0VR:4.93VT: 0V3.0VTX-RX UNIT(X57-8093-00)X57-809 3/4