Denon-TU1800DAB-tun-sm维修电路原理图.pdf

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1、SERVICE MANUALAM-FM STEREO/DAB TUNERMODELTU-1800DABFor U.K. modelTOKYO JAPANX0237 V.01 DE/CDM 0507Some illustrations using in this service manual areslightly different from the actual set.Please use this service manual with referring to theoperating instructions without fail.For purposes of improvem

2、ent, specifications anddesign are subject to change without notice.本文中使用、説明都合上現物多少異場合。修理際、必取扱説明書参照上、作業行。前、必読。本機、火災、感電、対安全性確保、配慮、法的電気用品安全法、所定許可得製造。従際、安全性維持、記載注意事項必守。本機仕様性能改良、予告変更。補修用性能部品保有期間、製造打切後8年。注意Denon Brand Company, D&M Holdings Inc.Ver. 1RadioFans.CN 收音机爱 好者资料库2TU-1800DABSAFETY PRECAUTIONSThe

3、following check should be performed for the continued protection of the customer and service technician.LEAKAGE CURRENT CHECKBefore returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassisresistance check. If the leakage current exceeds 0.5 m

4、illiamps, or if the resistance from chassis to either side of thepower cord is less than 460 kohms, the unit is defective.注意注意事項守！特注意必要個所、部品、捺印、注意事項表示。注意書取扱説明書注意事項必守。感電注意！(1) 、交流電圧印加、通電時内部金属部触感電。従通電時、絶縁使用手袋着用、部品交換、電源抜、感電注意。(2) 内部、高電圧部分、通電時取扱、十分注意。指定部品使用！部品難燃性耐電圧安全上特性持。従交換部品、使用同特性部品使用。特配線図、部品表印指定安全上重

5、要部品必指定使用。部品取付配線引、元！安全上、絶縁材料使用、基板浮取付部品。内部配線引発熱部品高圧部品接近配慮、必元。後安全点検！取外、部品、配線元、個所周辺劣化点検、外部金属端子部、電源刃間絶縁、安全性確保確認。、点検時次注意願。注意安全上重要部品（絶縁方法）電源電源抜、外、電源入。 500絶縁抵抗計用、電源端子、外部露出金属部端子、端子、端子、入力端子間、絶縁抵抗値1以上、値以下、点検修理必要。本機使用多電気部品、機構部品安全上、特別特性持。特性場合、外観判別、部品高定格（定格電力、耐圧）持使用安全性維持、限。安全上特性持部品、配線図、部品表表示、必指定部品番号使用願。(1)配線図 (2)

6、部品表 表示。表示。指定部品異使用場合、感電、火災危険生恐。注意安全上重要部品RadioFans.CN 收音机爱 好者资料库3TU-1800DABLEVEL DIAGRAMS4TU-1800DAB BLOCK DIAGRAMS5TU-1800DABSEMICONDUCTORSOnly major semiconductors are shown, general semiconductors etc. are omitted to list.主半導体記載。汎用半導体記載省略。 1. ICsMB90F352C (IC300) 6TU-1800DABMB90F352C Terminal Funct

7、ionPin No.Pin NameI/OFunction1AvssVss2AVRHVcc3P62/AN2/PPG4(5)Ikey14P63/AN3/PPG6(7)Ikey25P64/AN4/PPG8(9)Iencoder_a6P65/AN5/PPGA(B)Iencoder_b7P66/AN6/PPGC(D)OFLT_RESET8P67/AN7/PPGE(F)OFLT_SELECT9P50/AN8/SIN2OFLT_CLOCK10P51/AN9/SOT2OFLT_DATA11P52/AN10/SCK2ORDI_SELECT12P53/AN11/TIN3O13P54/AN12/TOT3OLED_

8、STANDBY14P55/AN13OLED_STEREO15P56/AN14OLED_SECONDARY16P42/IN6/RX1/INT9ROLED_TUNED17P43/INT7/TX1OLED_RDS18VssGND19P40/X0A20P41/X1A21MD2MICOM UPGRADE22MD1MICOM UPGRADE23MD0MICOM UPGRADE24P00/AD00/INT8ODAB_I2C_CLOCK25P01/AD01/INT9ODAB_I2C_DATA26P02/AD02/INT10IAK4103_DATA_IN27P03/AD03/INT11OAK4103_CLOCK

9、28P04/AD04/INT12OAK4103_DATA_OUT29P05/AD05/INT13OAK4103_SELECT30P06/AD06/INT14IPOWER_DOWN31P07/AD07/INT15IREMOCON32P10/AD08/TIN1OPOWER_RELAY33P11/AD09/TOT1OMAIN_MUTE34P12/AD10/SIN3/INT11ROUPGRADE_RX35P13/AD1A/SOT3OUPGRADE_TX36P14/AD12/SCK3OPOWER_DAB37P15/AD13O38P16/AD14OEEPROM_DATA39P17/AD15OEEPROM_

10、CLOCK40P20/A16/PPG9(8)ODIT_RESET41P21/A17/PPGB(A)OFUNCTION_RELAY42P22/A18/PPGD?ODAC_RESET43P23/A19/PPGF(E)IDAC_MUTE_DETECT_R44P24/A20/IN0IDAC_MUTE_DETECT_L45RST46X14MHz47X04MHz48Vss49Vcc50C0.1UF/CERAMIC51P25/A21/IN1/ADTGODAC_MUTE52P44/FRCK0O53P45/FRCK1O54P30/ALE/IN4ODAB_ON55P31/RD/IN5IRDS_DATA56P32/

11、WRL/WR/INT10RIRDS_CLOCK57P33/WRHOPLL_CE58P34/HRQ/OUT4OPLL_DATA_OUT(PLL DATA TRANS )59P35/HAK/OUT5OPLL_CLOCK60P36/RDY/OUT6IPLL_DATA_IN(IF READ)61P37/CLK/OUT7OTUNER_MUTE62P60/AN0ITUNER_STEREO63P61/AN1ITUNER_TUNED64AvccVCC7TU-1800DABAK4103A (IC304) AK4103A BLOCK DIAGRAM654321V1TRANSMCLKPDNSDTIBICKLRCK7

12、FS0/CSN8U1DIF2DIF1DIF0TXPTXNVSSVDDTopView109FS1/CDTIFS2/CCLKFS3/CDTO11C112CKS1CKS0BLSANS192021222324181715161413Host SerialInterfaceAudio SerialInterfaceBICKLRCKSDTITXPMUXCRCC GeneratorPrescalerRS422 Line DriverBiphaseEncoderDIF2DIF1DIF0CKS1CKS0MCLKBLSTRANSVSSVDDTXNC1U1V1FS0FS1FS2FS3RegisterCSNCCLKC

13、DTICDTOANSPDN8TU-1800DABAK4103A TERMINAL FUNCTIONNo.Pin NameI/ODescription1V1IValidity Bit Input Pin2TRANSIAudio Routing Mode (Transparent Mode) Pin at Synchronous mode0: Normal mode, 1: Audio routing mode (transparent mode)3PDNIPower Down & Reset Pin(Pull-up Pin)When “L”, the AK4103A is powered-dow

14、n, TXP/N pins are “L” and thecontrol registers are reset to default values.4MCLKIMaster Clock Input Pin5SDTIIAudio Serial Data Input Pin6BICKI/OAudio Serial Data Clock Input/Output PinSerial Clock for SDTI pin which can be configured as an output based onthe DIF2-0 inputs.7LRCKI/OInput/Output Channe

15、l Clock PinIndicates left or right channel, and can be configured as an output based onthe DIF2-0 inputs.FS0ISampling Frequency Select 0 Pin at Synchronous mode (Pull-down Pin)CSNIHost Interface Chip Select Pin at Asynchronous mode (Pull-down Pin)8AKMODEIAK4112B Mode Pin at Audio routing mode(Pull-d

16、own Pin)0: Non-AKM receivers mode, 1: AK4112B modeFS1ISampling Frequency Select 1 Pin at Synchronous mode (Pull-down Pin)9CDTIIHost Interface Data Input Pin at Asynchronous mode(Pull-down Pin)FS2ISampling Frequency Select 2 Pin at Synchronous mode (Pull-down Pin)10CCLKIHost Interface Bit Clock Input

17、 Pin at Asynchronous mode (Pull-down Pin)FS3ISampling Frequency Select 3 Pin at Synchronous mode (Pull-down Pin)11CDTOOHost Interface Data Output Pin at Asynchronous mode (Pull-down Pin)12C1IChannel Status Bit Input Pin13ANSIAsynchronous/Synchronous Mode Select Pin(Pull-up Pin)0: Asynchronous mode,

18、1: Synchronous mode14BLSI/OBlock Start Input/Output Pin(Pull-down Pin)In normal mode, the channel status block output is “H” for the first fourbytes. In audio routing mode, the pin is configured as an input. When PDNpin = “L”, BLS pin goes “H” at Normal mode.15CKS0IClock Mode Select 0 Pin(Pull-up Pi

19、n)16CKS1IClock Mode Select 1 Pin(Pull-down Pin)17VDD-Power Supply Pin, 4.75V5.25V18VSS-Ground Pin, 0V19TXNONegative Differential Output Pin20TXPOPositive Differential Output Pin21DIF0IAudio Serial Interface Select 0 Pin(Pull-down Pin)22DIF1IAudio Serial Interface Select 1 Pin(Pull-down Pin)23DIF2IAu

20、dio Serial Interface Select 2 Pin(Pull-down Pin)24U1IUser Data Bit Input Pin for Channel 1(Pull-down Pin)Notes:1. Internal pull-up and pull-down resistors are connected on-chip. The value of the resistors is 43k (typ).2. All input pins except internal pull-down/pull-up pins should not be left floati

21、ng.9TU-1800DABBU1924F (IC306) 560pCMPVSS3comparator8th Switchedcapacitor filteranti-aliasingfilter100k120k100k270pMUXVref2.2 FVDD11AnalogPower supplyVSS11VDD22DigitalPower supplyVSS2XIXO4.332MHZ33pF333pF3PLL57kHZRDS/ARIPLL1187.5HzBi-phasedecoderMeasurementcircuitDifferentialdecoderT1T2RDATAQUALRCLK1

22、: VDD1and VDD2are separated within the IC.2: Have VDD2(digital power supply) of a sufficiently low impedance.3: Match the capacitor constants with the crystal manufacturer.12345678910111213141516RCLK(N.C.)XOXIVDD2VSS2T1T2QUALRDATAVrefMUXVDD1VSS1VSS3CMPReferenceclock(4)(3)(5)(6)(12)(11)(13)(14)(10)(7

23、)(8)(16)(2)(9)(1)10TU-1800DABM24C32 (IC704) BLOCK DIAGRAM SP8K5TB (IC105) SDAVSSSCLWCE1E0VCCE212348765WCE1E0Control LogicHigh VoltageGeneratorI/O Shift RegisterAddress Registerand CounterDataRegister1 PageX DecoderY DecoderSCLSDAE2(1) Tr1 Source(2) Tr1 Gate(3) Tr2 Source(4) Tr2 Gate(5) Tr2 Drain(6)

24、Tr2 Drain(7) Tr1 Drain(8) Tr1 Drain1 ESD PROTECTION DIODE2 BODY DIODE(1)(2) (3) (4)(8) (7) (6) (5)21(8)(7)(1)(2)21(6)(5)(3)(4)11TU-1800DABAD1852JRS (IC102) TERMINAL FUNCTION TOP VIEW(Not to Scale)28272625242322212019181716151234567891011121314AD1852FILTROUTROUTR+AGND96/48DEEMPZERORDGNDMCLKCLATCHCCLK

25、192/48NCCDATAAGNDOUTLOUTL+AVDDFILTBIDPM1IDPM0DVDDSDATABCLKLRCLKZEROLMUTERESETPinInput/OutputPin NameDescription1IDGNDDigital Ground.2IMCLKMaster Clock Input. Connect to an external clock source at either 256 FS, 384 FS,512 FS, 768 FS, or 1024 FS.3ICLATCHLatch Input for Control Data. This input is ri

26、sing-edge sensitive.4ICCLKControl Clock Input for Control Data. Control input data must be valid on the risingedge of CCLK. CCLK may be continuous or gated.5ICDATASerial Control Input, MSB first, containing 16 bits of unsigned data per channel. Usedfor specifying channel-specific attenuation and mut

27、e.6NCNo Connect.7I192/48Selects 48 kHz (LO) or 192 kHz Sample Frequency.8OZERORRight Channel Zero Flag Output. This pin goes HI when Right Channel has no signalinput for more than 1024 LR Clock Cycles.9IDEEMPDe-Emphasis. Digital de-emphasis is enabled when this input signal is HI. This is usedto imp

28、ose a 50s/15s response characteristic on the output audio spectrum at anassumed 44.1 kHz sample rate. Curves for 32 kHz and 48 kHz sample rates may beselected via SPI control register.10I96/48Selects 48 kHz (LO) or 96 kHz Sample Frequency.11, 15IAGNDAnalog Ground.12OOUTR+Right Channel Positive Line

29、Level Analog Output.13OOUTRRight Channel Negative Line Level Analog Output.14OFILTRVoltage Reference Filter Capacitor Connection. Bypass and decouple the voltage refer-ence with parallel 10F and 0.1 F capacitors to the AGND.16OOUTLLeft Channel Negative Line Level Analog Output.17OOUTL+Left Channel P

30、ositive Line Level Analog Output.18IAVDDAnalog Power Supply. Connect to Analog 5 V Supply.19FILTBFilter Capacitor Connection. Connect 10 F capacitor to AGND (Pin 15).20IIDPM1Input Serial Data Port Mode Control One. With IDPM0, defines 1 of 4 serial modes.21IIDPM0Input Serial Data Port Mode Control Z

31、ero. With IDPM1, defines 1 of 4 serial modes.22OZEROLLeft Channel Zero Flag Output. This pin goes HI when Left Channel has no signalinput for more than 1024 LR Clock Cycles.23IMUTEMute. Assert HI to mute both stereo analog outputs. DeassertLO for normal operation.24IRESETReset. The AD1852 is reset o

32、n the rising edge of this signal. The serial control portregisters are reset to the default values. Connect HI for normal operation.25IL/RCLKLeft/Right Clock Input for Input Data. Must run continuously.26IBCLKBit Clock Input for Input Data. Need not run continuously; may be gated or used in aburst f

33、ashion.27ISDATASerial Input, MSB first, containing two channels of 16, 18, 20, and 24 bits of twoscomplement data per channel.28IDVDDDigital Power Supply Connect to digital 5 V supply.12TU-1800DAB74HCT153D (IC200) MM74HCT244 (IC205) ST232C (IC303) PIN CONFIGURATIONPIN DESCRIPTIONPIN NoSYMBOLNAME AND

34、 FUNCTION1C1+Positive Terminal for the first Charge Pump Capacitor2V+Doubled Voltage Terminal3C1-Negative Terminal for the first Charge Pump Capacitor4C2+Positive Terminal for the second Charge Pump Capacitor5C2-Negative Terminal for the second Charge Pump Capacitor6V-Inverted Voltage Terminal7T 2OU

35、TSecond Transmitter Output Voltage8R 2INSecond Receiver Input Voltage9R2OUTSecond Receiver Output Voltage10T2INSecond Transmitter Input Voltage11T1INFirst Transmitter Input Voltage12R1OUTFirst Receiver Output Voltage13R1INFirst Receiver Input Voltage14T1OUTFirst Transmitter Output Voltage15GNDGround

36、16VCCSupply Voltage13TU-1800DAB2. FL DISPLAY162-SD-10GINK (FLT100)PIN CONNECTION GRID ASSIGNMENT 14TU-1800DABROM CODE 15TU-1800DABPRINTED WIRING BOARDSTU-1800DAB P.W.B. UNIT (1/2)COMPONENT SIDE16TU-1800DABTU-1800DAB P.W.B. UNIT (2/2) FOIL SIDE17TU-1800DABNOTE FOR PARTS LIST Part indicated with the m

37、ark nsp are not always in stock and possibly to take a long period of time for supplying, or in some case supplying 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 wi

38、th the mark is not illustrated in the exploded view. Not including Carbon Film Resister 5%, 1/4W Type in the 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 pa

39、rts.) WARNING: Parts marked with this symbol ! have critical characteristics. Use ONLY replacement parts recommended by the manufacturer.ssssssssssssRD :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: 3W3H : 5WRN14K2E182GFR182?1800=1.8k02

40、1R2?1.212RCE04W1H2R2MBPCE:0J: 6.3 VF: 1%HS :CA :1A : 10VG : 2%BP :CS:1C : 16VJ: 5%HR :CQ :1E : 25VK : 10%DL :CK :1V : 35VM : 20%HF :CC :1H : 50VZ: +80%U:ULCP:2A : 100 V20%C:CSACM :2B : 125 VP: +100%W:UL-CSACF:2C : 160 V 0%F:CH :2D : 200 VC : 0.25pF2E : 250 VD : 0.5pF2H : 500 V=:2J: 630 V222?2200F02F

41、222?2200pF=0.0022F02pFpF221?220pF2(02)0(001)2R2?2.2F12RFACRD : Carbon2B : 1/8WF: 1%P: Pulse-resistant typeRC : Composition2E : 1/4WG: 2%NL : Low noise typeRS : Metal oxide film2H : 1/2WJ: 5%NB : Non-burning typeRW : Winding3A : 1WK: 10%FR : Fuse-resistorRN : Metal film3D : 2WM: 20%F: Lead wire formi

42、ngRK : Metal mixture3F : 3W3H : 5WCE : Aluminum foil0J: 6.3VF: 1%HS : High stability typeelectrolyticCA : Aluminum solid1A : 10VG : 2%BP : Non-polar typeelectrolyticCS : Tantalum electrolytic1C : 16VJ: 5%HR : Ripple-resistant typeCQ : Film1E : 25VK : 10%DL : For change and dischargeCK : Ceramic1V :

43、35VM : 20%HF : For assuring highrequencyCC : Ceramic1H : 50VZ: +80%U: UL partCP : Oil2A : 100V20%C: CSA partCM : Mica2B : 125VP : +100%W : UL-CSA typeCF : Metallized2C : 160V0%F: Lead wire formingCH : Metallized2D : 200VC : 0.25pF2E : 250VD : 0.5pF2H : 500V=: Others2J: 630Vl l l l lResistorsEx.:RN14

44、K2E182GFRType ShapePower Resist- Allowable Othersand per-anceerrorformance Resistance1 821800 ohm = 1.8 kohmIndicates number of zeros after effective number.2-digit effective number. Units: ohm1 R21.2 ohm1-digit effective number.2-digit effective number, decimal point indicated by R. Units: ohml l l

45、 l lCapacitorsEx.:CE04W1H2R2MBPTypeShapeDielectric Capacity Allowable Othersand per- strengtherrorformance Capacity (electrolyte only)2 222200FIndicates number of zeros after effective number.2-digit effective number. Units: F.2 R22.2F1-digit effective number.2-digit effective number, decimal point

46、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 dielectric streng

47、th is indicated in AC, AC is included after the dieelectricstrength 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。18TU-1800DABPARTS LIST OF P.W.B. UNIT ASSY本表記載部品、補修用部品製品使用部品一部、形

48、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 supplying, or in some case supply

49、ing of part may be refused.Note: The symbols in the column Remarks indicate the following destinations.SP : Plemium Silver Color model BK : Black Color modelP.W.B. UNIT ASSY Ref. No.nspPart No.Part Name RemarksQtyNew SEMICONDUCTORS GROUPIC10200D 963 0226 200AD1852JRS*IC10400D 262 3555 901SA5532ADRIC

50、10500D 963 0227 005SP8K5TB*IC10600D 262 3555 901SA5532ADRIC20000D 960 0275 30474HCT153DIC20500D 960 0266 902MM74HCT244IC20600D 963 0073 90374VHCU04IC30000D 963 0226 103MB90F352PFM-G*IC30400D 963 0226 307AK4103A *IC30500D 963 0226 404ST232CDR*IC30600D 963 0226 501BU1924F*IC70400D 963 0226 006M24C32-W