Philips BJ2.4U Service Manual
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Contents
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Circuit Descriptions, Abbreviation List, and IC Data SheetsEN 144 BJ2.4U/BJ2.5U PA9.9.16.2 Diagram B2A, NXT2003 (IC 7TG0)Figure 9-30 Internal block diagram and pin configurationtexttextAGCtextA/DtextAGCtextFAT VSB/QAMDemodulatortextFDC QPSKDemodulatorA/Dtext32K x 8SRAMtextFECIF InSenseRF GainMPEGTransportFDCReceiveData OuttextμCtextI2CSlavetextBERTtextFreqSynthFDCLOTunerControlGPIOI2 CCompatibleInterfaceIF AGCRF AGCIF InFDCAGCSmart Antenna(CEA 909)Block DiagramPin ConfigurationNXT2003128-pin LQFP(14 x 20 x 1.4 mm)18212345678910111213141516171819202122232425262728293031323334353693GA DN0414OS _LATX_C IN24S O_LATX_C TU34VA O_DD SC44546474849405152535455565758595061626364665MPEG_PKT_SYNC66MPEG_DATA_EN67MPEG_DATA_7/SER_DATA68MPEG_DATA_669MPEG_DATA_570MPEG_DATA_47172MPEG_DATA_373MPEG_DATA_274MPEG_DATA_175MPEG_DATA_076VDD3.377VDD1.2787980DGND81VDD2.582DGND8384DGND85DGND86DGND87888990DGND919293949596979899100721621311521421321221121021911811711611511411211111011901801701601501401301FDC_AGCPG OI _3GD DNPG OI _2PG OI _1PG OI _0DDV 3.3GD DNDDV 1.2GD DNGD DNAGNDPG OI _5PG OI _4I2 DDA_EVALS_C RI2 DDA_EVALS_C RMPEG_ERRMPEG_CLK2I C_SCL2I C_SDASO C_CLKDGNDAGNDDGNDVDD2.5AGNDDGNDOP D_ XRCOP D_ XRDDGND/POWER_RESETGD DNCU NE_DGNDGD DN3738101102GD DNDDV 1.2DDVADDVA.2DDV 5FI A_ GCAU GA_X CFR _AGCO_FER_TED TUPD OC_TE M I_P NGPIO_12GPIO_11GPIO_6GPIO_13GPIO_7GPIO 01_PG OI _8PG OI _9CN.1DDV 2GD DN.3DDV 3VDD1.2DGNDAVDD_FATAGNDFAT_VREF_NFAT_VREF_PAVDD_FATFAT_INPFAT_INNAVDD_FATAGNDAGNDFAT_INCMAVDD_FDCAVDD_FDCAVDD_FDCAGNDFDC_VREF_NFDC_VREF_PFDC_INPFDC_INNFDC_INCMFS_OUTNFS_OUTPDGNDVDD3.3DGNDVDD1.2DGNDVDD3.3DGNDVDD1.2DGNDDDV 3.3IB ER_SA SDDVAAGNDAGNDAVDD_PLLDVDD_PLLCNVDD1.2DGNDGD DN.1DDV 2.3DDV 3GD DN.1DDV 2F_15400_128.eps240505 |
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