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1、SERVICE MANUAL MODELAVR-3803/1083 AVC-3570 AV SURROUND RECEIVER/AMPLIFIER For U.S.A., Canada, Europe, Asia, China, Hong Kong, Taiwan R.O.C., Korea 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
2、 High Level at reset “L”= Outputs Low Level at reset “Z”= Becomes 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 29 AVR-3803/1083/AVC-3570 LC89
3、057W Terminal Function Function Pin No. Pin Name LC89057W (AD: IC520) 1RXOUTOInput bi-phase select data output terminal 2RX0ITTL compatible digital data input terminal 3RX1ICoaxial compatible amp built-in digital data input terminal 4RX2ITTL compatible digital data input terminal 5RX3ITTL compatible
4、 digital data input terminal 6DGNDDigital GND 7DVDDDigital power 8RX4ITTL compatible digital data input terminal 9RX5/VIITTL compatible digital data/Validity flag input terminal for modulation 10RX6/UIITTL compatible digital data/User data input terminal for modulation 11DVDDDigital power for PLL 12
5、DGNDDigital GND for PLL 13LPFOPLL loop filter connecting terminal 14AVDDAnalog power for PLL 15AGNDAnalog GND for PLL 16RMCKORMCK clock output terminal (256fs, 512fs, XIN, VCO) 17RBCKO/IRBCK clock in/output terminal (64fs) 18DGNDDigital GND 19DVDDDigital power 20RLRCKO/IRLRCK clock in/output termina
6、l (fs) 21RDATAOSerial audio data output terminal 22SBCKOSBCK clock output terminal (32fs, 64fs, 128fs) 23SLRCKOSLRCK clock output terminal (fs/2, fs, 2fs) 24SDINISerial audio data input terminal 25DGNDDigital GND 26DVDDDigital power 27XMCKOOsc. amp output terminal I/O 36 RERR1RXOUT 35 INT2RX0 34 CKS
7、T3RX1 33 AUDIO/VO4RX2 32 EMPHA/UO5RX3 31 DGND6DGND 30 DVDD7DVDD 29 XIN8RX4 28 XOUT9RX5/VI 27 XMCK10RX6/UI 26 DVDD11DVDD 25 DGND12DGND 24SDIN37DO 23SLRCK38DI 22SBCK39CE 21RDATA40CL 20RLRCK41XMODE 19DVDD42DGND 18DGND43DVDD 17RBCK44TMCK/PIO0 16RMCK45TBCK/PIO1 15AGND46TLRCK/PIO2 14AVDD47TDATA/PIO3 13LPF
8、48TXO/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 2RX0 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/
9、PIOEN Clock Selector C bit, U bit PLL Demodulation 128fs, 256fs, 384fs, 512fs or 768fs. * 19RSTIReset, power down input, active LOW. * 20OVFROOverflow signal of R-channel in PCM mode. This is available in PCM mode only. 21OVFLOOverflow signal of L-channel in PCM mode. This is available in PCM mode o
10、nly. 22VCCAnalog power supply. 23AGNDAnalog ground. 24VINRIR-channel analog input, negative pin. 25VINR+IR-channel analog input, positive pin. 26VCOMRR-channel analog common mode output. 27AGNDRAnalog ground for VREFR. 28VREFRR-channel voltage reference output, requires capacitors for decoupling to
11、AGND. I/O * Schmitt trigger input with internal pull-down (51kohm typically), 5V tolerant. * Schmitt trigger input, 5V tolerant. * Schmitt trigger input. RadioFans.CN 35 AVR-3803/1083/AVC-3570 LC75721E (CO: IC101) TA1270BF (VI: IC111)TA8772AN (VI: IC501) Except U.S.A., Canada 1IN/LOW; 2IN) 31 R-Y1 I
12、NPUT 30 B-Y1 INPUT 29 Y1 INPUT 28 I2C GND 27 R-Y2 INPUT 26 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 /
13、 UV SW fsc TRAP OFFSET SW LPF / fsc TRAP BPFH. AFCH C / D 32fH 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
14、/LOW: 24h BU2090F (CO: IC103) 1Vss 2DATA 3CLOCK 4LCK 5Q0 6Q1 7Q2 8Q3 9Q4 18 17 16 15 14 13 12 11 10 VDD OE Q11 Q10 Q9 Q8 Q7 Q6 Q5 CONTROL CIRCUIT 12-bit SHIFT REGISTER 12-bit STRAGE REGISTER OUTPUT BUFFER (OPEN DRAIN) 1 BIASVB1 2 VRT 27 COUT 3 VDD1 26 VSS1 4 TESTI1 25 YOUT 5 VSS2 24 VB2 6 VRB 23 PD
15、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 FILTER Sync. Clamp ADC LINE MEMORY
16、 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 Clock Average Bias CCD 1HCCD 1H B
17、ipolar Circuit CCD Circuit S / HS / H REFREF + + RadioFans.CN 36 AVR-3803/1083/AVC-3570 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 ONSwitches L L L L Z0 Y0 X0 L L L H Z0
18、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: IC513, 514) 74VHC00MTCX (AD: IC801, 802) SN74LV244APW (AD: IC522) Data Inputs Outputs GND Strobe 3 2 1 0 Y W 1 2 3 4 5 6 7 8 D2 D1 D0 Y W S D5 D6 D7 A D4 B C 16
19、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: IC803) SN74AHCT08NS (CV: IC703) NJM7805FA(SS) (AC: IC602)BA033FP (AD: IC536) 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
20、 3B 3A 3Y BU4051BCF (CV: IC251, 252, 504507) 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 BU4053BCF (VI: IC101) (CV: IC256) Y1 Y0 Z1 Z Z0 INH VEE Vss VDD Y X X1 X0 A B C 1 2
21、 3 4 5 6 7 8 16 15 14 13 12 11 10 9 C Y X X1 X0 A B Y0 Z1 Z Z0 INH VEE Y1 TC9459F (AD: IC381) Except Japan model BU4052BCF (VI: IC105, IC108) (CV: IC255, 509, 510) Y0 Y2 COMMON Y Y3 Y1 INH VEE Vss VDD X2 X1 COMMON X X0 X3 A B 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 B X2 X1 XOUT /IN X0 X3 A Y2 YOUT /I
22、N Y3 Y1 INH VEE Y0 PQ30RV11 (PO: IC201) VIN VO GND VC FRONT VIEW VIN VO GND VADJ FRONT VIEW KIA78R09API (AC: IC606) PQ018EF01SZ (AD: IC805) L-LD2 8 L-ch7 to 91decoder R-ch latch circuit R-ch7 to 91decoder 9 16 19 3 2 4 5 6 7 10 11 12 24 22 23 21 20 18 17 15 14 13 1 NC L-OUT L-IN L-LD1 L-A-GND NC NC
23、GND CK VSSVDD NC R-OUT R-LD1 R-LD2 R-A-GND NC CS2 NC STB DATA R-IN 50kohm/ 91STEP VR Same as L-ch L-ch latch circuit Shift register (24Bit) Level shift circuit CS1 2Q 2Q 2PR 2CK 2D 2CLR 8 9 10 11 12 13 14 VCC CK PRCLR D QQ CK CLRPR D QQGND 1Q 1Q 1PR 1CK 1D 7 6 5 4 3 2 11CLR 1 2 3 4 5 6 7 8 10 9 20 1
24、9 18 17 16 15 14 13 12 11 1OE 1A1 2Y4 1A2 2Y3 1A3 2Y2 1A4 2Y1 GND Vcc 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 INPUTOUTPUT OEAY LHH LLL HXZ FUNCTION TABLE (each buffer) TOP VIEW GND Input Output FRONT VIEW TOP VIEW INOUT GND 74VHC573MTCX (DS: IC803, 804) 1 2 3 4 5 6 7 8 10 9 20 19 18 17 16 15 14 13 12 11
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