Jvc-THA-85-Service-Manual电路原理图.pdf
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1、SERVICE MANUALCOPYRIGHT 2004 VICTOR COMPANY OF JAPAN, LIMITEDNo.MB1352004/1DVD DIGITAL CINEMA SYSTEMMB13520041TH-A85TABLE OF CONTENTS1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-32 SPEC
2、IFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-33 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-34 AD
3、JUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-35 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4、. . . 1-3UF - ChinaArea Suffix1-2 (No.MB135)SPECIFICATIONDesigns & Specifications are subject to change without notice.Center Unit (XV-THA85)Audio Audio Input Sensitivity/Impedance (1 kHz), Total Harmonic Distortion 0.01%NOTE:This value is measured at System cord CONNECTOR for reference.Analog input
5、 AUDIO IN VCR 360 mV/47 kDigital input* DIGITALIN (DBS):Optical -21 dBm to -15 dBm (660 nm 30 nm)* Corresponding to Linear PCM, Dolby Digital, and DTS Digital Surround (with sampling frequency - 32 kHz, 44.1 kHz, 48 kHz).Video Color System NTSC/PAL selectableHorizontal Resolution 500 linesSignal-to-
6、Noise Ratio 64 dBVideo Output Level Composite video 1 V(p-p)/75 S-video-Y 1 V(p-p)/75 S-video-C 0.286 V(p-p)/75 Component-Y 1 V(p-p)/75 Component-PB/PR 0.7V(p-p)/75 Video input sensitivity/Impedance (VCR IN)Composite video 1 V(p-p)/75 S-video-Y 1 V(p-p)/75 S-video-C 0.286 V(p-p)/75 Tuner Tuning Rang
7、e FM 87.5 MHz to 108.0 MHzAM 531 kHz to 1 620 kHz(at 9 kHz intervals)530 kHz to 1 600 kHz(at 10 kHz intervals)General Power Requirements AC 220 V , 50 HzPower Consumption 20 W (at operation) 2.5 W (in standby mode)Dimensions (W H D) 398 mm 70 mm 265 mm Mass 2.7 kgSubwoofer (SP-PWA85)Amplifier Front/
8、Center/Surround 80 W per channel, RMS at 6 at 1kHz, with 10% total harmonic distortion.Subwoofer 120 W, RMS at 4 at 100Hz, with 10% total harmonic distortion.Speaker Speaker unit 20 cm Bass-reflex, Magnetically ShieldedFrequency Range 25 Hz to 200 HzGeneral Power Requirements AC 110 V/127 V/220 - 23
9、0 V selectable with the voltage selector, 50 Hz/60 Hz (except for Hong Kong)AC 220 V , 50 Hz (for Hong Kong only)Power Consumption 150 W (at operation)0 W (in standby mode)Dimensions (W H D) 235 mm 335 mm 492 mm Mass 13.0 kgSatellite Speakers (SP-THA85F)Speakers 5.5 cm 2 Bass-reflex, Magnetically Sh
10、ieldedPower Handing Capacity 80WImpedance 6 Frequency Range 90 Hz to 20 kHzDimensions (W H D) 250 mm 1103 mm 250 mm Mass 3.77 kgCenter Speaker (SP-THA85C)Speakers 5.5 cm 2 Bass-reflex, Magnetically ShieldedPower Handing Capacity 80WImpedance 6 Frequency Range 90 Hz to 20 kHzDimensions (W H D) 258 mm
11、 75 mm 81 mm Mass 0.95 kg(No.MB135)1-3SECTION 1PRECAUTIONPlease refer to “TH-A85 No.MB106“ about this section.SECTION 2SPECIFIC SERVICE INSTRUCTIONSPlease refer to “TH-A85 No.MB106“ about this section.SECTION 3DISASSEMBLYPlease refer to “TH-A85 No.MB106“ about this section.SECTION 4ADJUSTMENTPlease
12、refer to “TH-A85 No.MB106“ about this section.SECTION 5TROUBLESHOOTINGPlease refer to “TH-A85 No.MB106“ about this section.(No.MB135)AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,JapanVICTOR COMPANY OF JAPAN, LIMITEDWPCPrinted in JapanSCHEMATI
13、C DIAGRAMSNo.MB040SCH2003/11COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD.TH-A85ContentsBlock diagramsStandard schematic diagramsPrinted circuit boards2-12-32-14 to 19CD-ROM No.SML200311Area suffixB - U.K.E - Continental EuropeEN - Northern EuropeDVD DIGITAL CINEMA SYSTEM2-18In regard with component p
14、arts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the “ “ mark nearby are critical for safety. (This regulation does not correspond to J and C version.)2-1AUDIO
15、L INAUDIO R INJ1101IC409OPTDIGITAL INIC158AMPIC159AMPIC160AMPIC410SLOUTSROUTSWOUTLOUTROUTCOUTJ1103D3VA3VIC406DSPMICOMIC403DSPX402OSC6.14MHzIC407REGIC402REGIC404RAMX401OSC24.576MHzIC1536chVOLUMEIC531AMPIC561AMPIC581,IC591AMPIC401CODECIC408INPUTSELECTORIC151INPUTSELECTORIC510,IC511AMPCN401A0 to 16I/O1
16、 to 8RXTXOCDTI, CCLK, CSIEC958Q1131,Q1133,Q1135S_MUTES_MUTETU/TV-L, TU/TV-R,TU/TV, AUXHP-LHP-RDSP boardRIN +/-LIN +/-DSPSTATUS,DSPCOMMANDDSPREADYDSPCLKSDTO,SDTI1SDTI2,SDTI3VOL_STB, VOL_DT, VOL_CKMIACK, MICK, MILP, MICS,MIDIO, ERR,FORMAT,CHANNEL, RST_DET,DIGTAL0, AUTODATAJ571HEADPHONEHeadphone boardW
17、571Switch boardVolume boardS571SWKEY4W561S561 to S563SWKEY3, KEY4S564, S565SWW551S551 to S553VOLUMEKEY2FL boardCN502IC502REMOCONIC501DISPLAYMICOMX501OSC8MHzDI5012FL DISPLAYDATA IN,INITIAL,RESET,CLOCKF+,F-,-VDISPP1 to P35, G1 to G14REMOCONHP-LHP-RHPPower boardP901AC INF901L901D901T901POWERTRANS.PC901
18、PhotocouplerPC902PhotocouplerIC901SW REGIC951D5V REGIC953B5V REGQ953-VDISPQ958A+12V REGQ961A-12V REGQ954DVD5V REGQ964DVD3.3V REGQ951FL SWS581POWER SWKEY1F+F-VDISPQ957FAN DRIVECN903ToFANMOTORFANCTRLCN901 CN902W402CN406IC491A5V REGQ4921A+7V REGQ4931A-7V REGQ4901TU9V REGW401CN405ToDVDservoboardToDVDser
19、voboardA+12VA-12VB5VD5VCN410ToTUNERIC471SYSTEMMICOMX4701OSC8MHzIC481RDSIC431VIDEODRIVERQ4703IC492TV-SOUND/TUNERSELECT SWTU-CE,TU-CK,TU-DI,TU-DOTU-L/RCN412IC601AMPCN411CN408TV/TU-L,TV/TU-RJ4401YCVVIDEO OUT(S-VIDEO)(COMPOSITE)AVCOMPULINKJ4891BGCOMPOSITE/YAUDIO L INAUDIO R INR/CJ4403VIDEO-MUTE1,VIDEO-M
20、UTE2,VIDEO-Y/CMIX,VIDEO-RGB,VIDEO-LPFDVD-110,DVD-112,DVD-114,DVD-118AVVLRA-7VA+7VA5VDSTOP, SCLK, INTP, U2SDT,S2UDT, CS, CPURST, DSETSWUPDN, SWOPEN, LMMUTE,TCLOSE, TOPENIC472RESETQ4801S-MUTE DRIVERCN407CN501Main boardCb OUTY2 OUTCr OUTSCART-RINSCART-LINY1 OUTY1 OUTCHROMA OUTCOMPOSITE OUTS4401RGB/YCNT
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