Arcam-DivaAVR200-av-sm维修电路原理图.pdf
《Arcam-DivaAVR200-av-sm维修电路原理图.pdf》由会员分享,可在线阅读,更多相关《Arcam-DivaAVR200-av-sm维修电路原理图.pdf(61页珍藏版)》请在收音机爱好者资料库上搜索。
1、AVR200DiVA AVR200 Surround Sound ReceiverService Manual ARCAMARCAMIssue 1.0RadioFans.CN 收音机爱 好者资料库SERVICE MANUALA A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0SURROUND SOUND RECEIVERCONTENTSPageSPECIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2、 . . .2-3DISASSEMBLY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . .
3、 . . . . . . . . . . . . . . . . . . . . . . . . . . . .6ADJUSTMENT POINTS DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7INSTRUMENT SETUP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8ALIGNMENT PROCEDURES
4、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-9IMPORTANT NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9PCB LAYOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5、. . . . . . . . . . . .10-20SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21-40IC BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41-49ELECTRICAL PARTS LIST . . . . . . . . . . . .
6、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40-67RadioFans.CN 收音机爱 好者资料库SURROUND SOUND RECEIVERA A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 3 -Dimension Control (Use track 1 and 3 from PLII Audio Test CD ver1.0)AM TUNER SECTIONInput level is expressed as the reading in open-circuit
7、of 75-ohm source impedance signal generatorUsable sensitivity (999/1000kHz) 30 dBS/N Ratio (5mV in) 38 dBTHD (5mV in) 3%IF Rejection (450 kHz) 36 dBImage Rejection (F+2xIF) 28 dBSelectivity 17 dBOutput130+/- 20mVLoop sensitivity (20dB S/N)999/1000 kHz 66 dB603/600 kHz 66 dB1404/1400 kHz 66 dBFrequen
8、cy response (100 - 2.3 kHz, 5mV) 6 dBFM TUNER SECTION*C*AHInput level is expressed as the reading in open-circuitof 75-ohm source impedance signal generatorUsable Sensitivity ( 98 MHz) 15 dB 15 dBSignal / Noise RatioMono 72 dB 72 dB(60 dB, IHF wtd)Stereo 66 dB 66 dBFrequency Response (20 Hz - 15 kHz
9、, 60 dB)0 1.5 dB0 1.5 dBChannel Separation (60 dB)100 Hz 30 dB 30dB1 kHz 38 dB 38 dB10 kHz 30 dB 30 dBAlternate Channel Selectivity(40 dB, 400 kHz) 60 dB 45 dBCapture Ratio (40 dB) 3 dB 3 dBAM Suppression(60 dB, 100% Mod.FM, 30% Mod.AM) 48 dB 48 dBImage Rejection (119.4 MHz) 85 db 40 dBI.F. Rejectio
10、n ( 10.7 MHz) 78 dB 65 dBPilot Suppression (60 dB) 60 dB 60 dBTHD (60 dB, L=R 75 kHz for AH, 40 kHz Dev for C)Mono 0.25% 0.25%Stereo 0.35% 0.35%Auto-Search SensitivityOn 24 dB 24 dBOff 15 dB 15 dBRDS decode Sensitivity 26 dB 26 dBPHYSICAL SPECIFICATIONSDimensions (Width x Height x Depth)422 x 132 x
11、290mmNet weight14kg (31 lbs)Shipping weight16.7kg (37 lbs)StepCSLSR-3-31dB-7.8dB-31dB-2-31dB-11.5dB-31dB-1-31dB-19.5dB-31dB0-30dB-31dB-31dBStepCSLSR1-20.4dB-31dB-31dB2-14.0dB-31dB-31dB3-11.5dB-31dB-31dBSURROUND SOUND RECEIVERA A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 4 -DISASSEMBLY INSTRUCTIONS1.
12、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 Figure No.1.Figure No.12. Pull both sides of the TOP COVER slightly outwards 8 and tilt approx. 35 and then removein the direction as indicated by the arrow 9 . Refer to
13、 Figure No.2.Figure No.2.7651324SURROUND SOUND RECEIVERA A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 5 -WIRING DIAGRAMSURROUND SOUND RECEIVERA A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 6 -COAXIAL x3OPTICAL x2405374LS157M624476FPCom-VideoTrigger INPOWER DOWNDetect Pin.For SPK off,Mute ON, VFD off.BLO
14、CK DIAGRAMSURROUND SOUND RECEIVERA A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 7 -OSCRFADJUSTMENT POINTS DIAGRAM1. TUNER2. IDLE CURRENT - Front Amplifier & Surround Amplifier BoardSURROUND SOUND RECEIVERA A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 8 -INSTRUMENT SETUP1. FM MEASUREMENTFig. 1Fig. 22. RD
15、S MEASUREMENTFig. 33. AM MEASUREMENTFig. 4FMSIGNALGENERATORANTENNATERMINALOUTPUTTERMINALDISTORTIONANALYZERDISTORTIONANALYZERACVOLTMETEROSCILLOSCOPEACVOLTMETEROROSCILLOSCOPEACVOLTMETEROROSCILLOSCOPEOUTPUTTERMINALOUTPUTTERMINALLRANTENNATERMINALANTENNATERMINALANTENNATERMINALAM LOOPANTENNA(Accessory)AM
16、LOOPANTENNA60cmDIGITALMILLIVOLTMETERVT-J914FMSIGNALGENERATORAMSIGNALGENERATORFMSIGNALGENERATORRDSGENERATORFMSTEREOGENERATORP-901DCMILLIVOLTMETERUNITUNITUNITUNITALIGNMENT PROCEDURESAMPLIFIER SECTIONIdle CurrentStepItemConnectionAdjustmentAdjust for1Front Left ChannelVoltmeter to P502 on Front Amp Boa
17、rdR5742mV0.2mV2Front Right ChannelVoltmeter to P501 on Front Amp BoardR5732mV0.2mV3Center ChannelVoltmeter to P503 on Front Amp BoardR5992mV0.2mV4Rear Left ChannelVoltmeter to JP801 on Surround Amplifier BoardR8672mV0.2mV(PCB N0901C-AMP2)5Rear Right ChannelVoltmeter to JP802 on Surround Amplifier Bo
18、ardR8682mV0.2mV(PCB N091C-AMP2)SURROUND SOUND RECEIVERA A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 9 -FM/RDS SECTION- FM mono:1kHz, 75kHz devi., 60dB/V- FM stereo:1kHz, 67.5kHz devi., 60dB/VPilot signal 19kHz 7.5kHz devi.OUTPUTS- Connect the non-inductive type resistor of 8 ohms to the all speaker t
19、erminals unless otherwise noted.ItemFMIF/RFStereoDistortionStereoSeparationMutingLevelSignaloutputStep1DC voltmeterL9410100mV3DistortionanalyzerDistortionanalyzerOscilloscopeOscilloscopeL942R956R941MinimumMinimum2AC voltmeterIFT on thefront endIFT on thefront endMaximumMaximumseparationConnectionof
20、instrumentFig.1Fig.2Fig.2Fig.1Channel Lor R 1kHz99.0MHz1kHz 75kHz devi.65dBf (60dB)99.0MHz Ext.mod. 65dBf(60dB)FM SGoutputStereo mod-ulator outputTuningfrequency99.0MHz99.0MHzChannel Lor R 1kHz99.0MHz Ext.mod. 65dBf(60dB)99.0MHz Ext. mod.65dBf(60dB)RDS 2% MOD99.0MHz 18dB99.0MHz99.0MHzRDSFig.399.0MHz
21、OutputindicatorAdjustmentpointAdjustforRemarksFM MUTE/MODEswitch: ON/AUTORepeat the steps1 to 3 until no fur-ther adjustment isnecessary.FM MUTE/MODEswitch: ON/AUTODont turn morethan +/-180Repeat stereodistortion andstereo separationalignment untilTHD at minimumand separation atmaximum.Decode the RD
22、S-Program Station.AM SECTIONAM Modulation:400Hz, 30%Step123522kHzor531kHz603kHz999kHz600kHz400Hz 30% mod.60dB/mAM SGoutputTuningfrequencyOutputindicatorAdjustmentpoint600kHz400Hz 30% mod.60dB/mACvoltmeterACvoltmeterDigitalDCvoltmeterL972OSC coilon RFblock L971RF coilon RFblock L971Adjustfor1.30.2V (
23、522kHz)1.350.2V (531kHz)MaximumMaximumIMPORTANT NOTES1. Show the software versionPress “DISPLAY”, “5.1 INPUT” and “VIDEO 4”.2. Toggle between PAL and NTSCPress “MEMORY” and “VIDEO 1”.3. Light up all the icon on the VFL.Press “DISPLAY”, “5.1 INPUT” and “VIDEO 1”.4. Clear all tuner presetsPress “5.1 I
24、NPUT” and “VIDEO 1”.SURROUND SOUND RECEIVERA A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 10 -SURROUND SOUND RECEIVERA A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 11 -SURROUND SOUND RECEIVERA A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 12 -AC-3 BOARD - Solder SideSURROUND SOUND RECEIVERA A A AV V V VR R
25、 R R2 2 2 20 0 0 00 0 0 0 - 13 -SURROUND SOUND RECEIVERA A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 14 -SURROUND SOUND RECEIVERA A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 15 -SURROUND SOUND RECEIVERA A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 16 -SURROUND SOUND RECEIVERA A A AV V V VR R R R2 2 2 20
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- Arcam DivaAVR200 av sm 维修 电路 原理图