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1、AVC-2890 SERVICE MANUAL MODELAVR-2805/985 AV SURROUND RECEIVER/AMPLIFIER For U.S.A. Edge detection is “Ed”; Detection by both shifting is “E Serial data detection is “S” (Serial data output is also “S”). Res: State at reset. “H”= Outputs High Level at reset “L”= Outputs Low Level at reset “Z”= Becom
2、es High impedance mode at reset STBY: State of port when STANDBY mode. “O/L” = Output port and “L” “I”= Input port Stop: State of port when Stop mode. “O/L”= Output port and “L” “I”= Input port RadioFans.CN 22 AVR-2805/985/AVC-2890 BU4094BCF (VI: IC120), (CO: IC503) EXP1A(RECA)Video input switching
3、(RECOUT SELECT) EXP2B(RECB)Video input switching (RECOUT SELECT) EXP3C(RECC)Video input switching (RECOUT SELECT) IC503 EXP4D(INA)Video output switching (INPUT SELECT) EXP5E(INB)Video output switching (INPUT SELECT) EXP6F(INC)Video output switching (INPUT SELECT) EXP7S1Video output switching EXP8S2V
4、ideo output switching EXP9VIN1Component video output switching EXP10VIN2Component video output switching EXP11VIN3Component video output switching IC120 EXP12VINUPSwitching control pin of component monitor output EXP13Y/C SELAVideo output switching EXP14SMUTEVideo output switching EXP15VMONISELAVide
5、o output switching EXP16VMONISELBVideo output switching FunctionPortSymbol STROBE 1 2 3 4 5 6 7 89 10 11 16 15 14 13 12 DATA CLOCK Q1 Q2 Q3 Q4 VSS VDD OE Q5 Q6 Q7 Q8 QS QS BU4094BCF Terminal Function RadioFans.CN 23 AVR-2805/985/AVC-2890 ADSP-21266SKSTZ-2B (AD: IC906) ADSP-21266SKSTZ-2B Terminal Fun
6、ction 1 3 6 37 73 72 108 144109 TOP VIEW PIN 1 INDICATOR Pin Name LQFP Pin #Pin Name LQFP Pin #Pin Name LQFP Pin #Pin Name LQFP Pin # VDDINT1VDDINT37VDDEXT73GND109 CLKCFG02GND38GND74VDDINT110 CLKCFG13RD39VDDINT75GND111 BOOTCFG04ALE40GND76 VDDINT112 BOOTCFG15AD1541DAI_P10 (SD2B)77GND113 GND6AD1442DAI
7、_P11 (SD3A)78VDDINT114 VDDEXT7AD1343DAI_P12 (SD3B)79GND115 GND8GND44 DAI_P13 (SCLK23)80VDDEXT116 VDDINT9VDDEXT45DAI_P14 (SFS23)81GND117 GND10AD1246DAI_P15 (SD4A)82VDDINT118 VDDINT11VDDINT47VDDINT83GND119 GND12GND48GND84VDDINT120 VDDINT13AD1149GND85RESET121 GND14AD1050DAI_P16 (SD4B)86SPIDS122 FLAG015
8、AD951DAI_P17 (SD5A)87GND123 FLAG116AD852DAI_P18 (SD5B)88VDDINT124 AD717DAI_P1 (SD0A)53DAI_P19 (SCLK45)89SPICLK125 GND18 VDDINT54VDDINT90MISO126 VDDINT19GND55 GND91MOSI127 GND20DAI_P2 (SD0B)56GND92GND128 VDDEXT21DAI_P3 (SCLK0)57VDDEXT93VDDINT129 GND22GND58DAI_P20 (SFS45)94VDDEXT130 VDDINT23VDDEXT59GN
9、D95AVDD131 AD624VDDINT60VDDINT96AVSS132 AD525GND61FLAG297GND133 AD426DAI_P4 (SFS0)62FLAG398CLKOUT134 VDDINT27DAI_P5 (SD1A)63VDDINT99EMU135 GND28DAI_P6 (SD1B)64GND100TDO136 AD329DAI_P7 (SCLK1)65VDDINT101TDI137 AD230VDDINT66GND102TRST138 VDDEXT31GND67VDDINT103TCK139 GND32VDDINT68GND104TMS140 AD133GND6
10、9 VDDINT105GND141 AD034DAI_P8 (SFS1)70GND106 CLKIN142 WR35DAI_P9 (SD2A)71VDDINT107XTAL143 VDDINT36VDDINT72VDDINT108VDDEXT144 RadioFans.CN 24 AVR-2805/985/AVC-2890 LC89057W (AD: IC513) LC89057W Terminal Function Function Pin No. Pin Name 1RXOUTOInput bi-phase select data output terminal 2RX0ITTL comp
11、atible digital data input terminal 3RX1ICoaxial compatible amp built-in digital data input terminal 4RX2ITTL compatible digital data input terminal 5RX3ITTL compatible digital data input terminal 6DGNDDigital GND 7DVDDDigital power 8RX4ITTL compatible digital data input terminal 9RX5/VIITTL compatib
12、le digital data/Validity flag input terminal for modulation 10RX6/UIITTL compatible digital data/User data input terminal for modulation 11DVDDDigital power for PLL 12DGNDDigital GND for PLL 13LPFOPLL loop filter connecting terminal 14AVDDAnalog power for PLL 15AGNDAnalog GND for PLL 16RMCKORMCK clo
13、ck output terminal (256fs, 512fs, XIN, VCO) 17RBCKO/IRBCK clock in/output terminal (64fs) 18DGNDDigital GND 19DVDDDigital power 20RLRCKO/IRLRCK clock in/output terminal (fs) 21RDATAOSerial audio data output terminal 22SBCKOSBCK clock output terminal (32fs, 64fs, 128fs) 23SLRCKOSLRCK clock output ter
14、minal (fs/2, fs, 2fs) 24SDINISerial audio data input terminal 25DGNDDigital GND 26DVDDDigital power 27XMCKOOsc. amp output terminal I/O 36 RERR1RXOUT 35 INT2RX0 34 CKST3RX1 33 AUDIO/VO4RX2 32 EMPHA/UO5RX3 31 DGND6DGND 30 DVDD7DVDD 29 XIN8RX4 28 XOUT9RX5/VI 27 XMCK10RX6/UI 26 DVDD11DVDD 25 DGND12DGND
15、 24SDIN37DO 23SLRCK38DI 22SBCK39CE 21RDATA40CL 20RLRCK41XMODE 19DVDD42DGND 18DGND43DVDD 17RBCK44TMCK/PIO0 16RMCK45TBCK/PIO1 15AGND46TLRCK/PIO2 14AVDD47TDATA/PIO3 13LPF48TXO/PIOEN TOP VIEW 1RXOUT 32 EMPHA/UO 33 AUDIO/VO 35 INT 40 CL 39 CE 38 DI 28 XOUT 29 XIN 27 XMCK 34 CKST 41 XMODE Input Selector 2
16、RX0 3RX1 4RX2 5RX3 8RX4 9RX5/VI 10RX6/UI 37DO 36RERR 21RDATA 24SDIN 16RMCK 17RBCK 20RLRCK 22SBCK 23SLRCK 13LPF 44TMCK/PIO0 45TBCK/PIO1 46TLRCK/PIO2 47TDATA/PIO3 48TXO/PIOEN Clock Selector C bit, U bit PLL Demodulation 1IN/LOW; 2IN) 31 R-Y1 INPUT 30 B-Y1 INPUT 29 Y1 INPUT 28 I2C GND 27 R-Y2 INPUT 26
17、B-Y2 INPUT 25 Y2 INPUT 24 23 22 21 20 19 18 17 16 15 SW GND ADRS SW R-Y/R OUTPUT B-Y/B OUTPUT Y/G OUTPUT SW Vcc (9V) SYNC Vcc (9V) CP/HP INPUT Dig GND SCP OUTPUT DAC2 DAC1 fsc Y DL Y DL SW SW PEDESTAL CLAMP 1H DL CONTROL SECAM CONTROL CbCr / UV SW fsc TRAP OFFSET SW LPF / fsc TRAP BPFH. AFCH C / D 3
18、2fH VCO V C / D ACC TOF SCP SW APC P / N ID SYSTEM CW MATRIX TINT DEMO CHROMA BLK NOSE DET YUV RGB MATRIX CP / HP IN SW V SEP SYNC SEP SUB-COLOR VCXO SUB- CONTRAST Y OFFSET SW DAC TEST Ys I2C BUS CONTROL PEDESTAL CLAMP PEDESTAL CLAMP HI: 20h/LOW: 24h 1 BIASVB1 2 VRT 27 COUT 3 VDD1 26 VSS1 4 TESTI1 2
19、5 YOUT 5 VSS2 24 VB2 6 VRB 23 PD 7 YCIN 22 FIL 8 TEST 21 VSS4 9 KILLER 20 VDD4 10 TESTI2 19 FSC 11 VDD3 18 TESTOUT 12 VSS3 17 MODE1 13 VDD2 16 SDA 14 TESTI3 15 SCL CORING PEAKING DAC 1/8 (8fsc) 8fsc4fsc DAC IIC BUS 28 PLL DET1/2VCO Ped. CLIP LPFDELAY CNR C-N.C CORING V-ENHANCER KILLER DYNAMIC COMB F
20、ILTER Sync. Clamp ADC LINE MEMORY LINE MEMORY INTERPOLATION 302928272625242322212019181716 123456789101112131415 2 1 1 or Pulse Elimination Pulse Elimination 2 1 1 or Pulse Insertion Pulse Insertion AGC Detector AGC Detector Detector ClampClamp Clamp Clamp AGCAGC LPFLPF Pulse HG. GP 225fH VCO 1/225
21、Clock Average Bias CCD 1HCCD 1H Bipolar Circuit CCD Circuit S / HS / H REFREF + + RadioFans.CN 30 AVR-2805/985/AVC-2890 MM74HC4053SJ (CV: IC451) 1 2 VEE 3 4 5 6 7 89 10 11 16 15 14 13 12 Y1 Y0 Z1 Z Z0 Enable GND Vcc Y X1 X X0 C A B X = Dont Care Truth Table Control Inputs Select Enable C B A ONSwitc
22、hes L L L L Z0 Y0 X0 L L L H Z0 Y0 X1 L L H L Z0 Y1 X0 L L H H Z0 Y1 X1 L H L L Z1 Y0 X0 L H L H Z1 Y0 X1 L H H L Z1 Y1 X0 L H H H Z1 Y1 X1 H X X X None SN74HC151APW (AD: IC511, 512) 74VHC00MTCX (AD: IC605, 606) SN74LV244APW (AD: IC515) Data Inputs Outputs GND Strobe 3 2 1 0 Y W 1 2 3 4 5 6 7 8 D2 D
23、1 D0 Y W S D5 D6 D7 A D4 B C 16 15 14 13 12 11 10 9 Vcc 5 6 7 A B C 4 Data Inputs Data Select 1A 1B 1Y 2A 2B 2Y 1 2 3 4 5 6 7 14 13 12 11 10 9 8 Vcc 4B 4A 4Y 3B 3A 3Y GND 74VHC74MTCX (AD: IC607) 1 2 3 4 5 6 7 14 13 12 11 10 9 8 1A 1B 1Y 2A 2B 2Y GND Vcc 4B 4Y 4A 3B 3A 3Y CD4051BC (CV: IC251, 252, 50
24、4507) Channel IN/OUT X4 X6 X X7 X5 INHIBIT VEE Vss VDD X2 X1 X0 X3 A B C Common Channel IN/OUT OUT/IN 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 4 C 6 OUT/IN 7 5 INH VEE 2 1 0 3 A B CD4053BC (VI: IC101) (CV: IC256) Y1 Y0 Z1 Z Z0 INH VEE Vss VDD Y X X1 X0 A B C 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 C Y
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