Denon-AVR886-avr-sm维修电路原理图.pdf

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1、SERVICE MANUAL AV SURROUND RECEIVER MODELAVR-2106/886 TOKYO, JAPAN Denon Brand Company, D 1IN/LOW; 2IN) 31 R-Y1 INPUT 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 (9

2、V) 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 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 SY

3、NC SEP SUB-COLOR VCXO SUB- CONTRAST Y OFFSET SW DAC TEST Ys I2C BUS CONTROL PEDESTAL CLAMP PEDESTAL CLAMP HI: 20h/LOW: 24h 1 2345678910 11 12 13 14 15 16 17 18 19 20 21 22 23 242526272829303132333435363738394041 42VDD VSS S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 GND CK DATA STB

4、 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 18 bit Latch Circuit (Rch) (Lch) Same as Rch Level Shift + Shift Register Circuit S2 S3 S4 S5 S6 S7 S8 S9 S10 S1 VDD STB DATA S2 S3 S4 S5 S6 S7 S8 S9 S10 GND CK Vss S1 13 14 1 3 4 5 6 7 8 9 10 11 12 2 15 16 28 27 26 25 24 23 22 21 20 19

5、 18 17 1 13 28 212 1227 14 15 16 Vss GND VDD S1S10 CK DATA STB GND=0V Vss=-8.0-17V GND=0V Border Input Pin No SymbolName Function Dual Power Use:VDD = 8.017 VSingle Power Use:VDD = 8.018V +Power Terminal Digital Ground +Power Terminal I/O Terminal Clock Input Low level Terminal Clock input for data

6、transfer. Serial input for switch setting. Strobe InputStrobe input for data writing.Strobe Input Data Input Input terminal of analog switch. TC9273N Terminal Function 1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 18 19 20 21 22 23 24 25 26 27 28VSS L-S1 L-COM1 L-COM2 L-COM3 ST GND VDD R-COM1 R-COM2 R-CO

7、M3 DATA CK L-S4 L-S2 L-S3 L-S5 L-S6 L-S7 L-S8 R-S1 R-S2 R-S3 R-S4 R-S5 R-S6 R-S7 R-S8 L-COM1 L-COM2 L-COM3 ST VDDVSS R-S1 R-S2 R-S3 R-S4 R-COM1 R-S5 R-S6 R-COM2 R-S7 R-COM3 DATA CK L-S1 L-S2 L-S3 L-S4 7 8 9 13 11428 27 24 19 18 17 16 15 2 3 4 L-S5 L-S6 L-S7 GND 20 21 22 23 25 26 5 6 10 11 12 L-S8 R-

8、S8 Level Shifter Latch Circuit Shift Register Level Shifter Latch Circuit 21 AVR-2106/886 LC74781 (IC1006) 1 2 3 4 5 6 7 8 9 10 11 12 VSS1 Xtal IN Xtal OUT CTRL1 BLANK OSC IN OSC OUT CHARA CS SCLK SIN VDD2 24 23 22 21 20 19 18 17 16 15 14 13 VDD1 RST CTRL3 CTRL2 SEP IN SEP OUT SEP C SYN IN VDD1 CV I

9、N NC CV OUT CS9 RST23 VSS11 SIN11 SCLK10 OSCIN6 OSCOUT7 SYNIN17 SEPC18 SEPOUT19 CHARA8 VDD212 SEPIN20 CTRL322 4 CTRL1XtalINXtalOUTBLANKCVINCVOUTCTRL2 212351513 VDD124 Serial parallel converter 8-bits latch + command decoderHorizontal character size register Horizontal size counter Horizontal display

10、 position register Horizontal dot counter Vertical display position register Vertical dot counter Blinking and inversion control register Blinking and inversion control circuit Blinking and inversion control register Blinking and inversion control register Character control counter Line control coun

11、ter Timing generator Synchronization signal generator Character output control Background control Video output control Display control register RAM write adress counter Display RAM Vertical character size register Vertical size counter Decoder Font RAM Shift register Decoder Horizontal character siz

12、e register Horizontal character size register Horizontal character size register Horizontal character size register LC74781 Trminal Function Pin No.SymbolName 1VSS1GND 2Xtal INXtal oscillation 3Xtal OUTXtal oscillation 4CTRL1Xtal oscillation input switching 5BLANKBlank output 6OSC INLC oscillation 7

13、OSC OUTLC oscillation 8CHARACharacter output 9CSEnable input 10SCLKClock input 11SINData input 12VDD2Power 13CV OUTVIDEO signal output 14NC 15CV INVIDEO signal input 16VDD1Power 17SYN INSync. separate circuit input 18SEP CSync. separate circuit bias voltage 19SEP OUTComplex sync. signal output 20SEP

14、 INVertical sync. signal input 21CTRL2NTSC/PAL-M switching input 22CTRL3SEP IN input control 23RSTReset input 24VDD1Power (+5V) 22 AVR-2106/886 LH28F800BJE (IC805) LH28F160BJE (IC805) LH28F160BJE Block Diagram 23 AVR-2106/886 BA7626 (IC1000,1002,11501153) BU4052BCF (IC601D,602D)MM74HC4053MX (IC1001,

15、1004,1008) SN74LVC139A (IC820)74LVX157 (IC816) SN74LV573APW (IC818,819)SN74LV14APW (IC829) 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 Monitor OUT GND IN5 GND IN4 CTL E IN3 CTL D IN1 CTL A V OUT1 Vcc IN2 CTL B V OUT2 CTL C 6dB 6dB LOGIC LOGIC ABEMONITOR OUTCDEV OUT 1CDEV OUT 2 LL*IN 1LL* LL*IN 1 HL*IN 2H

16、L*IN 2HL* LH*IN 3LH*IN 3LH*IN 3 HHLIN 4HHLIN 4HHLIN 4 HHHIN 5HHHIN 5HHHIN 5 Note 1: * mark means that feasible for either H or L. Note 2: Each input terminal is provided with sink chip clamp (BA7625). Each input terminal takes 20kohm at the end (BA7626). Y4 Y2 Y3 Y1 INH VEE Vss VDD X2 X1 X0 X3 A B C

17、ommon X 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 INHABON SWITCH LLLX LHL LLH LHH HXX Y00 XY11 XY22 XY33 NONE FUNCTION TABLE TOP VIEW X:Dont Care X0 Y0 X1 Y1 X2Y2 X3 Y3 Common Y INH VEE B OUT/IN A OUT/IN X Y 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

18、 Care Truth Table Control Inputs Select Enable C B A ONSwitches 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 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 1G 1A 1B 1Y0 1Y1 1Y2 1Y3 GND VCC 2G 2A 2B 2Y0 2Y

19、1 2Y2 2Y3 FUNCTION TABLE (each decoder/demultiplexer) INPUTS OUTPUTS G SELECT OUTPUTS G BAY3Y2Y1Y0 LLLHHHL LLHHHLH LHLHLHH LHHLHHH HXXHHHH 1A 1B 1Y 2A 2B 2Y GND 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 Vcc ST 4A 4B 4Y 3A 3B 3Y SELECT 5 SEL 1 2 3 4 5 6 7 8 10 9 20 19 18 17 16 15 14 13 12 11 OE D0 D1 D2

20、 D3 D4 D5 D6 D7 GND Vcc Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 LE D Q L D Q L D Q L D Q L D Q L D Q L D Q L D Q L D0D1D2D3D4D5D6D7 L E OE 1 23456789 11 1213141516171819 Q0Q1Q2Q3Q4Q5Q6Q7 1A 1Y 2A 2Y 3A 3Y GND 1 2 3 4 5 6 7 14 13 12 11 10 9 8 Vcc 6A 6Y 5A 5Y 4A 4Y 24 AVR-2106/886 PCM1791ADBR (IC205X) PCM1791 Termina

21、l Function DESCRIPTIONS Pin No. Pin Name 1LRCKI Left and right clock (fs) input for normal operation. WDCK clock input in external DF mode. Connected to GND in DSD mode* 2BCKIBit clock input. Connected GND for DSD mode* 3DATAI Serial audio data input for normal operation. L-channel audio data input

22、for external DF and DSD modes* 4MUTEI Analog output mute control for normal operation. R-channel audio data input for external DF and DSD modes* 5SCKIISystem Clock Input. BCK (64fs) clock input for DSD mode* 6RSTIReset* 7VDDDigital power supply, +3.3 V 8DGNDDigital ground 9AGNDFAnalog ground (DACFF)

23、 10VCCRAnalog power supply (R-channel DAC), +5.0 V 11AGNDRAnalog ground (R-channel DAC) 12VOUTR-OR-channel analog voltage output- 13VOUTR+OR-channel analog voltage output+ 14VCOMInternal bias de-coupling pin 15VCCCAnalog power supply (internal bias), +5.0 V 16AGNDCAnalog ground (internal bias) 17VOU

24、TL+OL-channel analog voltage output+ 18VOUTL-OL-channel analog voltage output- 19AGNDLAnalog ground (L-channel DAC) 20VCCLAnalog power supply (L-channel DAC), +5.0 V 21VCCFAnalog power supply ( DACFF), +5.0 V 22ZEROROZero flag for R-channel 23ZEROLOZero flag for L-channel 24RSVReserved pin. It must

25、be open. 25MDOOSerial data output for function control register* 26MDIISerial data input for function control register* 27MCIShift clock for function control register* 28MSIMode control chip select and latch signal* I/O 128 227 326 5 425 6 24 7 23 8 22 9 21 10 20 11 19 12 18 13 17 14 LRCK BCK DATA S

26、CKI MUTE RST V DGND AGNDF V R AGNDR V R- V R+ V15 16 MS MC MDO MDI RSV ZEROL ZEROR V F V L AGNDL V L- V L+ AGNDC V C DD COM CC CC CC CC OUT OUT OUT OUT *Schmitt trigger input, 5V tolerant. *Tristate output. 25 AVR-2106/886 2. FL DISPLAY 16-ST-82GNK (FL301) S38 S14 S9S1 S2 S3 S4 S5 S12 S13 S7S15 S6 S

27、10 S11 G1 G1G2G3G4G5G6G7G16G15G13G12G10G9 591 G14G11G8 G2G16 12345678910111213141516171819 232425262728293031323334 F1F1S1S2S3S4S5S6S7S8S9S10 S11 S12 S13 S14 S15 S16 S17 20 2122353637383940 4142434445464748495051525354555657 NP S18 S19 S20 S21 S22 S23 S24 S25 S26 S27 S28 S29 S30 S31 S32 S33 S34 S35

28、S36 S37 S38 G16 G15 G14 G13 G12 G11 G10G9G8G7G6G5G4G3G2G1F2F2 5859 S13 S14 S15 S16 S17 S18 S19 S20 S21 S22 S23 S24 G1G2G3G4G5G6G7G8G9G10G11G12G13G14G15G16 S38 S36 S37 S38 -2 DBS TV -1 VDP TAPE /(DVD) /(CDR) AUXDVD CDRV.AUX TUNER -2 -3 CD -1 PHONO VCR REC ZONE2 STEREO AUTO TUNED RDS CH S1 S2 S3 S4 S5

29、 S6 S7 S8 S9 S10 S11 S12 S1 S2 S3 S4 S5 S6 S7 S9 S10 S11 S12 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 S21 S22 S23 S24 S13 S14 S15 S25 S26 S27 S28 S29 S30 S31 S32 S33 S34 S35 S25 S26 S27 S28 S29 S30 S31 S32 S33 S34 S35 G2G16G1G2G16G1G2G16G1G2G16G1 DIGITAL S1 S6 S11 S16 S

30、21 S26 S31 S2 S7 S12 S17 S22 S27 S32 S3 S8 S13 S18 S23 S28 S33 S4 S9 S14 S19 S24 S29 S34 S5 S10 S15 S20 S25 S30 S35 TUNED RDS STEREO AUTO REC ZONE2 PHONO VCR CD -1 TUNER -2-3V.AUX AUX CDR DVD / /TAPE VDPTV -1-2 /DBS DIGITAL DIGITAL ANALOG TUNED RDS STEREO AUTO REC ZONE2 PHONO VCR CD -1 TUNER -2-3V.A

31、UX AUX CDR DVD/ /TAPE VDPTV -1-2 / DBS CH CH DIGITAL DIGITAL ANALOG Pin Assignment F1, F2 : Filament G1G16 : Grid S1S38 : Anode PIN NO. CONNECTION PIN NO. CONNECTION PIN NO. CONNECTION Anode & Grid Assignment PRO LOGICII PRO LOGICII PRO LOGICII 26 AVR-2106/886 PRINTED WIRING BOARDS MAIN P.W.B. UNIT

32、COMPONENT SIDE 27 AVR-2106/886 CPU P.W.B. UNIT COMPONENT SIDE 28 AVR-2106/886 FOIL SIDE 29 AVR-2106/886 INPUT P.W.B. UNIT COMPONENT SIDE 30 AVR-2106/886 FOIL SIDE 31 AVR-2106/886 CNT P.W.B. UNIT COMPONENT SIDE 32 AVR-2106/886 FOIL SIDE 33 AVR-2106/886 EXT-IN P.W.B. UNIT COMPONENT SIDE 34 AVR-2106/88

33、6 FOIL SIDE 35 AVR-2106/886 DSP P.W.B. UNIT COMPONENT SIDE FOIL SIDE 36 AVR-2106/886 2ch AMP P.W.B. UNIT FOIL SIDE COMPONENT SIDE 37 AVR-2106/886 NOTE FOR PARTS LIST Part indicated with the mark nsp are not always in stock and possibly to take a long period of time for supplying, or in some case sup

34、plying of part may be refused. When ordering of part, clearly indicate 1 and I (i) to avoid mis- supplying. Ordering part without stating its part number can not be supplied. Part indicated with the mark is not illustrated in the exploded view. Not including Carbon Film Resister 5%, 1/4W Type in the

35、 P.W.Board parts list. (Refer to the Schematic Diagram for those parts.) Not including Carbon Chip Resister 1/16W Type in the P.W.Board parts list. (Refer to the Schematic Diagram for those parts.) WARNING: Parts marked with this symbol ! have critical characteristics. Use ONLY replacement parts rec

36、ommended by the manufacturer. ss ss ss ss ss ss RD :2B : 1/8 WF :1%P: RC :2E : 1/4 WG :2%NL : RS:2H : 1/2 WJ :5%NB : RW :3A : 1WK :10%FR : RN :3D : 2WM :20%F: RK :3F: 3W 3H : 5W RN14K2E182GFR 182 ? 1800=1.8k 0 2 1R2 ? 1.2 1 2R CE04W1H2R2MBP CE:0J: 6.3 VF: 1%HS : CA :1A : 10VG : 2%BP : CS:1C : 16VJ:

37、5%HR : CQ :1E : 25VK : 10%DL : CK :1V : 35VM : 20%HF : CC :1H : 50VZ: +80%U:UL CP:2A : 100 V20%C:CSA CM :2B : 125 VP: +100%W:UL-CSA CF:2C : 160 V 0%F: CH :2D : 200 VC : 0.25pF 2E : 250 VD : 0.5pF 2H : 500 V=: 2J: 630 V 222 ? 2200F 0 2 F 222 ? 2200pF=0.0022F 0 2 pF pF 221 ? 220pF 2 (02) 0 (001) 2R2 ?

38、 2.2F 1 2R F AC RD : Carbon2B : 1/8WF: 1%P: Pulse-resistant type RC : Composition2E : 1/4WG: 2%NL : Low noise type RS : Metal oxide film2H : 1/2WJ: 5%NB : Non-burning type RW : Winding3A : 1WK: 10%FR : Fuse-resistor RN : Metal film3D : 2WM: 20%F: Lead wire forming RK : Metal mixture3F : 3W 3H : 5W C

39、E : Aluminum foil0J: 6.3VF: 1%HS : High stability type electrolytic CA : Aluminum solid1A : 10VG : 2%BP : Non-polar type electrolytic CS : Tantalum electrolytic1C : 16VJ: 5%HR : Ripple-resistant type CQ : Film1E : 25VK : 10%DL : For change and discharge CK : Ceramic1V : 35VM : 20%HF : For assuring h

40、igh requency CC : Ceramic1H : 50VZ: +80%U: UL part CP : Oil2A : 100V20%C: CSA part CM : Mica2B : 125VP : +100%W : UL-CSA type CF : Metallized2C : 160V0%F: Lead wire forming CH : Metallized2D : 200VC : 0.25pF 2E : 250VD : 0.5pF 2H : 500V=: Others 2J: 630V l l l l lResistors Ex.:RN14K2E182GFR Type Sha

41、pePower Resist- Allowable Others and per-anceerror formance Resistance 1 821800 ohm = 1.8 kohm Indicates number of zeros after effective number. 2-digit effective number. Units: ohm 1 R21.2 ohm 1-digit effective number. 2-digit effective number, decimal point indicated by R. Units: ohm l l l l lCapa

42、citors Ex.:CE04W1H2R2MBP TypeShapeDielectric Capacity Allowable Others and per- strengtherror formance Capacity (electrolyte only) 2 222200F Indicates number of zeros after effective number. 2-digit effective number. Units: F. 2 R22.2F 1-digit effective number. 2-digit effective number, decimal poin

43、t indicated by R. Units: F. Capacity (except electrolyte) 2 222200pF=0.0022F (More than 2)Indicates number of zeros after effective number. 2-digit effective number. Units: pF. 2 21220pF (0 or 1)Indicates number of zeros after effective number. 2-digit effective number. Units: pF. When the dielectri

44、c strength is indicated in AC, AC is included after the dieelectric strength value. 部品表 nsp 印部品常時在庫供給長時間要 。 場合、供給断。 部品発注際特数字 英字 区別 記入。 部品番号表示部品供給。 ! 印部品安全上重要部品。交換、安全性 能維持必指定部品使用。 印部品分解図中記載。 抵抗器 5%、1/4W 型記載。定数回路図 参照願。 抵抗器 1/16W 型記載。定数回路図 参照願。 部品表抵抗器、品名記号読方表参照 。 38 AVR-2106/886 PARTS LIST OF P.W.B. UN

45、IT 本表記載部品、補修用部品製品使用部品一部、形状、寸法異場合。 The parts listed below are for maintenance only, might differ from the parts used in the unit in appearances or dimensions. nsp 印部品常時在庫供給長時間要。場合、供給断場合。 Part indicated with the mark “nsp” are not always in stock and possibly to take a long period of time for supplyin

46、g, or in some case supplying of part may be refused. Note: The symbols in the column Remarks indicate the following destinations. E3 : U.S.A. & Canada model (AVR-2106) E3 : U.S.A. & Canada model (AVR-686) MAIN P.W.B. UNIT ASSY Ref. No.nspPart No.Part NameRemarksQtyNew SEMICONDUCTORS GROUP IC10100D 9

47、63 0219 408IC CJ7815 IC10200D 963 0219 505IC CJ7915F IC10300D 963 0057 806IC KIA78R05PI IC10400D 963 0219 204IC CJ7805 !IC10500D 960 0195 808IC, ICP-N15 !IC10600D 960 0195 808IC, ICP-N15 Q104C00D 960 0196 506TR KSC1845F Q104FL00D 960 0196 506TR KSC1845F Q104FR00D 960 0196 506TR KSC1845F Q104SL00D 96

48、0 0196 506TR KSC1845F Q104SR00D 960 0196 506TR KSC1845F Q11100D 963 0121 208TR KRC107M Q11200D 963 0121 208TR KRC107M Q11300D 963 0121 208TR KRC107M Q11400D 963 0121 208TR KRC107M Q11500D 963 0121 208TR KRC107M Q11600D 960 0196 409TR 2SC1740SR Q11700D 963 0121 208TR KRC107M Q11800D 963 0121 208TR KR

49、C107M Q15100D 960 0196 409TR 2SC1740SR Q17100D 960 0196 700TR KTC3200BL Q171A00D 960 0196 302TR KTA1268BL Q171B00D 960 0196 302TR KTA1268BL Q171C00D 960 0196 302TR KTA1268BL Q171D00D 960 0196 302TR KTA1268BL Q17200D 960 0196 700TR KTC3200BL Q17300D 960 0196 700TR KTC3200BL Q17400D 960 0196 700TR KTC3200BL Q17500D 960 0196 700TR KTC3200BL Q17600D 960 0196 700TR KTC3200BL Q17700D 960 0196 700TR KTC3200BL Q17800D 960 0196 302TR KTA1268BL Q17900D 960 0133 103TR KSA916Y Q18000D 960 0196 302TR KTA1268BL Q18100D 960 019