Arcam-AVR300-avr-sm维修电路原理图.pdf

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1、DiVAServiceManualAVR300 AV ReceiverIssue 2.0ARCAMARCAMBringing music & movies to lifeBringing music & movies to lifeRadioFans.CN 收音机爱 好者资料库SERVICE MANUALv1.1AVR300SURROUND SOUND RECEIVERCONTENTS PageDISASSEMBLY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2、. . . . . 2ADJUSTMENT POINTS DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5INSTRUMENT SETUP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6ALIGNMENT PROCEDURES . . . . . . . . . . . . . . . . . . . . .

3、 . . . . . . . . . . . . . . . . . . . . . . . 6-8IMPORTANT NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-10WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11PCB LAYOU

4、T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-28SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29-40IC BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . .

5、 . . . . . . . . . . . . . . . . . . . . . 41-50ELECTRICAL PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51-80EXPLODED VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81EXPLODED VIEW

6、 PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82-84SERVICE PARTS ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 RadioFans.CN 收音机爱 好者资料库AVR300 SURROUND SOUND RECEIVER- 2 -DISASSEMBLY INSTRUCTIONS7651324

7、9882. Pull both sides of the TOP COVER slightly outwards 8 and tilt approx. 35 and then remove in the direction as indicated by the arrow 9 . Refer to Figure No.2.1. Remove machine screws M 4.0 x 6.0 ( 1 to 6 ) from the side panels. Remove tapping screw 3.0 x 8.5 ( 7 )from the back panel. Refer to F

8、igure No.1.Figure No.1Figure No.2- 3 -AVR300 SURROUND SOUND RECEIVERADJUSTMENT POINTS DIAGRAMAMP1 boardAVR300 SURROUND SOUND RECEIVER- 4 -AMP2 boardTUNER boardOSCRFVT- 5 -AVR300 SURROUND SOUND RECEIVERVIDEO boardAVR300 SURROUND SOUND RECEIVER- 6 -INSTRUMENT SETUP1. FM MEASUREMENTFig. 1Fig. 22. RDS M

9、EASUREMENTFig. 33. AM MEASUREMENT Fig. 4FMSIGNALGENERATORANTENNATERMINALOUTPUTTERMINALDISTORTIONANALYZERDISTORTIONANALYZERACVOLTMETEROSCILLOSCOPEACVOLTMETEROROSCILLOSCOPEACVOLTMETEROROSCILLOSCOPEOUTPUTTERMINALOUTPUTTERMINALLRANTENNATERMINALANTENNATERMINALANTENNATERMINALAM LOOPANTENNA(Accessory)AM LO

10、OPANTENNA60cmDIGITALMILLIVOLTMETERVT-J954FMSIGNALGENERATORAMSIGNALGENERATORFMSIGNALGENERATORRDSGENERATORFMSTEREOGENERATORP-901DCMILLIVOLTMETERUNITUNITUNITUNITALIGNMENT PROCEDURESAMPLIFIER SECTIONIdle Current: Volume at min value, at 8 ohm and 10 min burn inStepItemConnectionAdjustment Adjust for1FL

11、ChannelVoltmeter to P101 on AMP2 BoardVR10110mV2mV2FR ChannelVoltmeter to P401 on AMP1 BoardVR40110mV2mV3C ChannelVoltmeter to P201 on AMP2 BoardVR20110mV2mV4SL ChannelVoltmeter to P301 on AMP2 Board VR3016mV1.5mV5SR ChannelVoltmeter to P501 on AMP1 Board VR5016mV1.5mV6BSL ChannelVoltmeter to P701 o

12、n AMP1 Board VR7016mV1.5mV7BSR ChannelVoltmeter to P601 on AMP1 Board VR6016mV1.5mV- 7 -AVR300 SURROUND SOUND RECEIVERFM/RDS SECTION- FM mono: 1kHz, 75kHz devi., 60dB/V- FM stereo: 1kHz, 67.5kHz devi., 60dB/V Pilot signal 19kHz 7.5kHz devi.OUTPUTS- Connect the non- inductive type resistor of 8 ohms

13、to the all speaker terminals unless otherwise noted. ItemStepConnec-tion of instru-mentFM SG outputStereo modula-tor outputTuning frequencyOutput indicatorAdjustment pointAdjust forRemarksFM IF/RF1Fig.199.0MHz 1kHz 75kHz devi. 66dBf (60dB)99.0MHzDC volt-meterL9410100mVFM MUTE/MODE switch: ON/AUTO Re

14、peat the steps 1 to 3 until no further adjustment is neces-sary.2AC volt-meterIFT on the front endMaximum3Distortion analyzerL942MinimumStereo Distor-tionFig.299.0MHz Ext. mod. 66dBf (60dB)Channel L or R 1kHz99.0MHzDistortion analyzerIFT on the front endMinimumFM MUTE/MODE switch: ON/AUTO. Dont turn

15、 more than +/- 180.Stereo Sepa-rationFig.299.0MHz Ext. mod. 66dBf (60dB)Channel L or R 1kHz99.0MHzOscillo-scopeR956Maximum Separa-tionRepeat stereo distortion and stereo separation align-ment until THD at minimum and sepa-ration at maximum.Muting LevelFig.199.0MHz 22dB99.0MHzOscillo-scopeR941Signal

16、outputRDSFig.399.0MHz Ext. mod. 66dBf (60dB) RDS 4% MOD99.0MHzDecode the RDS Program Station.AM SECTIONAM Modulation: 400Hz, 30%For UL VersionStepAM SG outputTuning frequencyOutput indicatorAdjustment pointAdjust for1530kHzDigital DC voltmeterQSC coil on RF block M9711.350.2V2600kHz400Hz 30% mod. 60

17、dB/M600kHzAC voltmeterRF coil on RF block M971Maximum3600kHz400Hz 30% mod. 60dB/M990kHzAC voltmeterL972MaximumFor CE VersionStepAM SG outputTuning frequencyOutput indicatorAdjustment pointAdjust for1522kHz or 531kHzDigital DC voltmeterQSC coil on RF block M9711.350.2V (531kHz)2600kHz400Hz 30% mod. 6

18、0dB/M603kHzAC voltmeterRF coil on RF block M971Maximum3600kHz400Hz 30% mod. 60dB/M999kHzAC voltmeterL972MaximumAVR300 SURROUND SOUND RECEIVER- 8 -VIDEO BOARD SECTION1 Required measurement equipment : 100KHz Scope, DVD player DVD test disc : TDV-540A 2 Connect the DVD Player into AVR300 composite Vid

19、eo IN; connect the component Video to TV (or connect 75 ohm loading resistor). 3 Play TDV-540A T2-C1 (75% colour-bar UL NTSC / CE PAL).4 Turn RV803 to adjust the component video Y voltage to 100075mV.5 Turn RV804 to adjust the component video Cb voltage to 550mV30mV.6 Turn RV805 to adjust the compon

20、ent video Cr voltage to 600mV30mV.- 9 -AVR300 SURROUND SOUND RECEIVERIMPORTANT NOTES1. Show the software version Press “DVD” and “SAT” at the same time.2. Light up all the icon on the VFL Press “CD” and “TAPE” at the same time.3. Reset Press “FM MUTE” and “PRESET/TUNE” at the same time. When VFL sho

21、ws “Resetl1 REQ?”, press “OK” button. For CE version, the 9K/10KHz switch should be set to 9KHz and the voltage should be 230V AC. For UL version, the 9K/10KHz switch should be set to 10KHz and the voltage should be 115V AC. The 4/8 ohm switch should be set in 4ohm position in all version. Ground-SW

22、: GROUND.4. Upgrade MCU software The software of main CPU P89C669 can be upgraded via RS232. The programming steps are as follows: Connect the AVR300 to the computer. On AVR300, press the buttons RDS INFO and STORE at the same time. Then the front panel should display Program Req.:. Then press OK bu

23、tton. Or you can press RDS INFO and STORE for 3 seconds. Front panel will then display Program. The AVR300 is ready to be programmed. Note: when the program process is stopped unexpectedly, the program in IC may be erased. You can press these two buttons for 3 seconds for programming. Run the AVR300

24、test.exe and click the button Program to CPU. Select the appropriate COM Port and click the “Browse” to load the hex file. Then click the button Program. Upon the upgrade process is completed, a pop window will be shown. Note: Please try it again if there is error response. AVR300 SURROUND SOUND REC

25、EIVER- 10 -5. Upgrade DSP softwareDSP code in Flash Rom AT29LV040A can be upgraded via RS232. Connect the AVR300 to the computer. On AVR300, press the buttons RDS INFO and FM Mute/Mono at the same time. Then the front panel should display Program Req.:. Then press OK button. Or you can press RDS INF

26、O and FM Mute/Mono for 3 sec-onds. Front panel will then display Program. The AVR300 is ready to be programmed. Note: when the program process is stopped unexpectedly, the program in IC may be erased. You can press these two buttons for 3 seconds for programming. Run the AVR300test.exe and click the

27、 button Program to DSP. Select the appropriate COM Port and click the “Browse” to load the s28 fi le. Then click the button Program. Upon the upgrade process is completed, a pop window will be shown. Finally, use Dolby, DTS, PCM test discs to see if all decodings are ok. This ensure the DSP has been

28、 upgraded successfully. AVR300 SURROUND SOUND RECEIVER- 11 -WIRING DIAGRAMPOWER PCBSW PCBPSU PCBRECT PCBPMAIN PCBAMP2 PCBAMP1 PCBMULTI PCBMAIN PCBAUDIO PCBTUNER PCBDSP PCBVIDEO PCBKEY PCBPHONE PCBVOL PCBLED PCBCOM PCBCON1 PCBCON2 PCBToroidalTransformerRS232 PCBSP401P/N: 1681-7000-AAVR300 SURROUND SO

29、UND RECEIVER- 12 -AMP2 boardcomponent sidePCB LAYOUT- 13 -AVR300 SURROUND SOUND RECEIVERAMP2 boardcopper sideAVR300 SURROUND SOUND RECEIVER- 14 -AUDIO board component sideCON1 board component sideCON1 board copper sideSW board component sideSW board copper side- 15 -AVR300 SURROUND SOUND RECEIVERAUD

30、IO board copper sideRECT board component sideRECT board copper sideVOL boardPHONE boardAVR300 SURROUND SOUND RECEIVER- 16 -COM board component sideCOM board copper sidePOWER boardcomponent sidePOWER boardcopper sideLED boardcomponent sideLED boardcopper sideCON2 boardcomponent sideCON2 boardcopper s

31、idePSU board- 17 -AVR300 SURROUND SOUND RECEIVERKEY boardAVR300 SURROUND SOUND RECEIVER- 18 -DSP board component side- 19 -AVR300 SURROUND SOUND RECEIVERDSP board copper sideAVR300 SURROUND SOUND RECEIVER- 20 -MAIN board- 21 -AVR300 SURROUND SOUND RECEIVERTUNE boardAVR300 SURROUND SOUND RECEIVER- 22

32、 -PMAIN board component sidePMAIN board copper sideAVR300 SURROUND SOUND RECEIVER- 23 -AMP1 board component sideAMP1 board copper sideAVR300 SURROUND SOUND RECEIVER- 24 -MUTI board component sideAVR300 SURROUND SOUND RECEIVER- 25 -MUTI board copper sideAVR300 SURROUND SOUND RECEIVER- 26 -VIDEO board

33、 component sideAVR300 SURROUND SOUND RECEIVER- 27 -VIDEO board copper sideAVR300 SURROUND SOUND RECEIVER- 28 -RS232 board component sideRS232 board copper sideAVR300 SURROUND SOUND RECEIVER- 29 -TUNERSCHEMATIC DIAGRAM33K68012K4703302SC9453K3471J471J471JAVR300 SURROUND SOUND RECEIVER- 30 -OSDSV804AVC

34、R1INSV805AVCR2 INSV806AVCR1 OUTSV807AVCR2 OUTMONITORSV808AC87610u/16VC874470u/10VC87310u/16VC872470u/10VC87110u/16VC870470u/10VC8692.2u/50VC8682.2u/50VC8672.2u/50VC8662.2u/50VR87082R87182R87282R87382GNDSV801ADVD INSV802ASAT INSV803AAV INC8652.2u/50VC8642.2u/50VC8632.2u/50VC8622.2u/50VC8612.2u/50VC86

35、02.2u/50VR86482R86582R86682R86782R86882R86982GNDG1234VCC5678U807BA7623FG1234VCC5678U811BA7623FG1234VCC5678U806BA7623FMout1GND2IN53GND4IN45CTLE6IN37CTLD8CTLC9Vout210CTLB11IN212Vcc13Vout114CTLA15IN116U809BA7625Mout1GND2IN53GND4IN45CTLE6IN37CTLD8CTLC9Vout210CTLB11IN212Vcc13Vout114CTLA15IN116U818BA7625M

36、out1GND2IN53GND4IN45CTLE6IN37CTLD8CTLC9Vout210CTLB11IN212Vcc13Vout114CTLA15IN116U808BA7625Mout1GND2IN53GND4IN45CTLE6IN37CTLD8CTLC9Vout210CTLB11IN212Vcc13Vout114CTLA15IN116U812BA7625VSS1X1_IN2X1_OUT3HSYNC4X2_IN5X2_OUT6VSYINC7CS8SIN9SCLK10SECAM1152512N/P133.5814RST15CV_OUT16VDD217CV_IN18CVCR19SYNC20SE

37、PC21VSS22PD_OUT23AMT24AMP_O25FC26VCO_I27VCO_O28SYNCDET29VDD30U810LC74763AX80114.318MX80217.734MC80122PC80222PC80322PC80422PC80522PC80647PC80747PC80847PC8091u/50VC810100u/16VC811100u/16VC887103C88647PC814474R8021KR8031KR8041KR8051KR8061KR8071KR8081KR8091KR810100KR9161KR9193K3R8134K7R814220R815820KR81

38、61K5R8176K8R818120R8191KR82047KR8212K7Q801C1740C8120.47u/50VC8131200PC820682C8151u/50VC816223C817 22PD8011N4148C8180.47u/50VSYNL8012.2uHC81930PAGNDYYYYYCCCCCCCCYYYQ803D1468Q805D1468R82275R82375R82475R82575R82675R82775GNDVA802BSAT_INVA801BDVD_INGNDGNDVA804BVCR1_INVA803BAV_INGNDGNDVA806BVCR1_OUTVA805B

39、VCR2_INGNDGNDVA808BMONVA807BVCR2_OUTGNDGNDC821103C822103C823103C824103C8250.47u/50VC8271000u/6.3VC920100u/16VC82810u/16VC82910u/16VC830103C831103C833103C834103C835103C836103C837681C840103R831330L802100uHL803100uHL804100uHL805100uHO_SDO_CLMout1GND2IN53GND4IN45CTLE6IN37CTLD8CTLC9Vout210CTLB11IN212Vcc1

40、3Vout114CTLA15IN116U801BA7625C8842.2u/50VC8832.2u/50VC8822.2u/50VC8812.2u/50VC8802.2u/50VC879470u/10VC934470u/10VC8771000u/10VR87482R87582R87682R87782R87882R87975R93275R88175Q806D1468ZV3ZV1ZV2GND12345678910P802P10GNDO_CSO_CLKO_DATA+9VV_MUTEProg-DETZV1ZV2ZV3ZV4ZV5GNDQ809A933Q810A933C842223C843223C844

41、2.2u/50VC84510u/16VR83833KR9372K2R84075R8414K7D8021N4148D8031N4148Yout2VZV4ZV5GNDR84275R84375GNDR8463KV_DIREQ812A933Q813A933C848223C851223C8502.2u/50VC8492u2/16VR84833KR8392K2R8490R85010KD8071N4148D8081N4148GND-5VR856560+5VGNDCT_CCT_ACT_ECT_DCT_BGNDGNDGNDGNDCT_ACT_BCT_CCT_DCT_ECT_BCT_CCT_ACT_DCT_EGN

42、DGNDCT_ECT_DCT_CCT_BCT_AR863150BIAS1VRT2VDD13TESTI14VSS25VRB6YCIN7TEST8KILLER9TESTI210VDD311TEST212VDD213TESTI314SCL15SDA16MODE117TESTOUT18FSC19VDD420VSS421FIL22PD23VB224YOUT25VSS126COUT27VB128U805TC90A69DGNDL806100uHAGNDAGNDGND_1GNDV_MUO_CLKO_DATAO_CSDGNDG1234VCC5678U815BA7623FGNDC891103C890103C893

43、103C894103C896103C89747u/16VC89847u/16VC94347u/16VC94747u/16VGNDGNDGNDGNDGNDC9022.2u/50VC9032.2u/50VC9042.2u/50VC9052.2u/50VC9062.2u/50VR88375GNDGNDV_DIRE12345678910P801A PIN10TO C_VIDEO BOARDC909103+5V+5V+5V+5VGNDGNDAGNDAGND+5V+5VGNDAGNDAGNDAGND+5VGND+5VGND+5VAGNDDGNDDGND+5V+5V+5V+5VC935470u/10VR93

44、375GNDGND+5VG1234VCC5678U814BA7623FC913103C92710u/16VR92475C928470u/10VR92375GNDGND+5VR93575R93475YCMIXG1234VCC5678U817BA7623FC90847u/16VC944103GNDGND+5VC878470u/10VR92175R92275GNDC8532.2u/50VC8522.2u/50VC8542.2u/50VG1234VCC5678U816BA7623FC912103C929470u/10VR92875GNDGND+5VR9290GNDMout1GND2IN53GND4IN

45、45CTLE6IN37CTLD8CTLC9Vout210CTLB11IN212Vcc13Vout114CTLA15IN116U803BA7625C8562.2u/50VC8552.2u/50VC892103C90047u/16VGND+5VC937103C94547u/16VGND+5VC911103GND+5VGNDC933470u/10VR93075R93175GND12P801ZONE2_OGNDMout1GND2IN53GND4IN45CTLE6IN37CTLD8CTLC9Vout210CTLB11IN212Vcc13Vout114CTLA15IN116U804BA7625C8582.

46、2u/50VC8572.2u/50VC8592.2u/50VC938103C94647u/16VGND+5VR92575R92675GNDGNDC9232.2u/50VGNDGNDV-MUC94147u/16VC910103GND+5VGNDGNDGNDV_DIREGNDGNDGNDQ835C114R9171KR91210KR91110KGND+5VGNDGND+5VNANDQ829C1740R903820RR904820RC91522pFL80827uHC91412pFR8281.2KR89612KR8296.8KC89947u/16VQ828C1740R899560RR900560RR88

47、91.2KR894560Q825A933Q826C1740Q827A933R892100RR890820RR897220R 1/4W+5VAGND+10VL812100uHC930100u/16VC901103GNDQ830C1740R834820RR835820RC91722pFL80927uHC91612pFR8321.2KR83612KR8336.8KQ831C1740R901560RR902560RR8911.2KR8951K2Q832A933Q833C1740Q834A933R893100RR905820RR898220R 1/4WAGND+10VL813100uHC826100u/

48、16VC940103GNDC921103C924470u/10VR93875R93975AGNDC87510u/16VR94033R94175AGNDCS OP1C VID IP2VS OP3GND4BURST OP5Rset6OE OP7Vcc8U802LM1881RV8012K +5VR918680KC922103GNDGNDC925103C939103GNDQ822C114Q823C114R9141KR94910KGND+5V+5VGNDQ824C114R8451KGNDQ839C114Q837C114R9151KR91010KR90710KGND+9V+5VGNDQ838C114R90

49、910KR9133KR8523KC9321000u+5VPAL-DETFscSCMAIN2VUSYMAIN2VUL810100uHL811100uHV_DIREQ804D1468GNDQ802D1468GNDQ821D1468GNDR8843KR8863KR8873KR8883KCTLAVIDEO OUT01VIDEO(OSD) (IN3)VIDEO DIRECT (IN4)CTLBCTLAVIDEO OUT000111YUV (IN1)S_VIDEO (IN3)VIDEO (IN4)CTLECTLAS_VIDEO OUT0011S_VIDEO DIRECT (IN1,IN4)S_VIDEO

50、OSD (IN2,IN5)12345678910111213141516P803P16GND-5VProg-detR9010100C9482.2u/50VWIMAWIMAWIMAWIMAWIMAWIMAWIMAWIMAC838470u/16VL807100uH+5VR85133321U823ATK15420R85810KR8612KR8604K7R8621KAGNDAGNDR987270RL81727uHC84622pC84722pR9881KAGNDAGNDAGNDR989100RYUVDETR837150RR8303K9R8011KAGNDAGND84U823CTK15420-5V+5VC