Kenwood NXR-710 Service Manual

Also see for NEXEDGE NXR-710: Instruction manual Instruction manual Instruction manual Instruction manual Instruction manual

98NXR-710 BLOCK DIAGRAMCN42CN43MCUIC20Squelch DACIC14AK4386VTPRTCIC17R2023TI/O ExpanderIC22MCP23017TE/ML AUXIO[1~6]/RSTTXX232.768kHzLEVEL CONVERTOR(3.3V↔5V)IC19TC7MBD3245AFK/FRST_IOAI[1~3]SC, EXT_MONI2C_5VIOINT_5V/IOINT, EPTT, HKRXD0, RXD2LEVEL CONVERTOR(3.3V→5V)IC18TC74VHCT244AFKBUFFERIC21ADM101EARMZTXD0_RSRXD0_RSEPTT_5VPTT, TXD0, TXD2RXD2_DISTXD0_RS, RXD0_RSMODDACDACIC412M62364FP-FMODSPDACPWM1RARD/EVDSCS_EV,SPSCLK1,SPSD1PowerAMPLA4422-ESPM/AF_MUTEDSUB25VREFVREFVREFVREFVREFVREFTATDto CN40 DISPLAYBUFFERIC16SM5023CNDH-GVCTCXOX1(18.432MHz)/485_RE1, RXD1, TXD1, 485_DE1/485_RE2, RXD3, TXD3, 485_DE2LEVEL CONVERTORIC7:TC7WT125FUFIC10:TC7SH125FU-FLEVEL CONVERTORIC8:TC7WT125FUFIC11:TC7SH125FU-FTRANSCEIVERTRANSCEIVERIC4 N_SYNC1_A, N_SYNC1_BN_SYNC2_A, N_SYNC2_BISL8485EIBZIC5ISL8485EIBZLRCLK,BICLK_CLKLDRADC1TEST/SPKRVREFTD_SW/EVDSCSSTR_SEL/EVDSCS_EVSR_STR_STR_SELSR_STR_DISVLI_DISVLIRAMP_TX RAMPN802N39OSCX50019.2MHz1dB ATT1dB ATTx3Q2022SC5636IF-ICIC403NJM2287V57.6MHzRXVCO/PLLREF3dB ATT194.05~232.05MHz10MHz or 19.2MHzMIXIC300ADL5350ACPZ58.05MHzAGCCN41CN44SB/PSWSR_OE_DIS/PSWAMP_B/RXPCS/PCS_DSP RXPCS_TRTX-RXI2CCK, I2CDASPSCLK1, SPSD1/RINT, 32KA[0~21], D[0~15]RD, /WR, /CS0, /WPA[0~17], D[0~7]/RD, /WR, /CS2A[0~20], D[0~15],D, /WR, /HRDY, /CS3,/HDS2/MCCSXCN, /MCCSRCN,MCDICN, MCDOCN, MCSCKCNMCSCKAF, /MCCSAF,MCDIAF, MCDOAF/SYMTIM, /DINT, /DWUP, FSDET, /HINTAO[1~5]to MCUIC20CN38LDRSPSCLK0,SPSD0RXVCOA/B,/RXPCS_TRRXASSISTRX_CVLOW PASS FILTERLOW PASS FILTERLOW PASS FILTERLOW PASS FILTERLOW PASS FILTERBAND PASS FILTERBAND PASS FILTERRARDTDTDTDTAMICADC1SWSWSW SW SWCF (Wide)CF (VNarrow)CF (Narrow)X58-5070-10toLEVEL CONVERTORIC23/FRSTTzCF33A15M33MXTAL_INTABSHIFTSWSW IC407TC7W53FK(F)SWIC402Q405AMPIC27(A/2,B/2)AMPIC406(A/2,B/2)NJM2732VAMPIC404(A/2)NJM2732VAMPIC28AMPIC411(A/4)NJM2734VAMPIC411(D/4)NJM2734VAMPIC411(B/4)NJM2734VAMPIC411(C/4)NJM2734VSELECTORAND GATEIC26SELECTOROR GATEIC25SELECTORNAND GATEIC401AMPQ42SC4617(S)AMPIC15(A/2)TC75W51FK(F)AMPIC13(A/2,B/2)AMPIC405(D/4)NJM2734VAMPIC405(A/4)REF AMPIC405(B/4)SELECTORAND GATEIC24TC7SH08FU-FMICMICADC0KEYI[0~2], KEYO[0~1]RSSIEXT_RSSIAMPIC15(B/2)TC75W51FK(F)CN5N_SYNCSPSCLK1_DIS, SPSD1_DISTXD2_DISIFRAGC AMPQ5033SK294-FPDETECTORD503HSM88AS-EEXT_IN10MHzAO[1~5]SPOSPISPOTC75W51FK(F)AMPIC405(C/4)NJM2734VNJM2734VNJM2734VTC75S51FE(F)AMPIC404(B/2)NJM2732VTC7SET08FU-FTC7SH32FU-FTC7SH00FU-FTC7S66FUFDTC363EU/DRSTBAACBUFFERQ5012SC4617(R)AMPIC500 (A/2)TC75W51FK(F)AMPIC500 (B/2)TC75W51FK(F)AMPQ5022SK3737-5AMPQ5042SC4617(R)1st Lo AMPQ2032SC5636IF AMPQ3012SC5337IF AMPIC400AD8051ARTBUFFERIC401(A/2)TC75W51FK(F)IF AMPIC404MCP6021-E/0TIC405 IC406 IC408 IC407IC405~408: TC7W53FK(F)AMPIC201LMC7101BIM5CV AMPIC200TC75W51FK(F)D504,505JDP4P02ATLNA AMPQ1012SC5337BUFFER AMPIC100LMC7101BIM5BUFFER AMPIC101LMC7101BIM5RX ANTENNARSSIIF33AQ6~10136~174MHz136~174MHzSPTC75W51FK(F)BER_CLK_5VBER_DATA_5VTMP, HWV1, HWV2, FWD, TXASSIST, RXASSIST, TX_CV, RX_CV, AGC, TXVCOB, TXCOA, RXCOA/B, LDT, LDR/16_8PCS, /TXPCS, SPSCLK0, SPSD0, /EWP, /IOCS, /EVCS, SBC