Jvc-SRVS-20-E-Schematic电路原理图.pdf
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1、SERVICEMANUALNo. 82842January 2001SR-VS20E/EKSPECIFICATIONS (The specifications shown pertain specifically to the model SR-VS20E)Mini DV/S-VHS VIDEO CASSETTE RECORDERPrinted in JapanVICTOR COMPANY OF JAPAN, LIMITEDVIDEO DIVISIONS40894This service manual is printed on 100% recycled paper.COPYRIGHT 20
2、01 VICTOR COMPANY OF JAPAN, LTD.SR-VS20E/EKNo. 82842TVPR+TVPRTVT V+12345678912123VHSDVTVCABLE/SATTV/VCR : AUDIO0000STARTDEBUTSTOPFINDATEPRDAILY/QTDN.VPS/PDCAUXWEEKLY/HEBDOEXPRESSLCD PROG0PROGOK344MENU30SECENTER/ENTREEDV IN/OUTENTREE/SORTIE DVVHSDVA.DUBINSERTPRDUBCOPIEDVVHSSTARTR.A.EDITIN/OUTS-VHS ET
3、PULL-OPEN625GENERALPower requirement:AC 220 V 240 V, 50 Hz/60 HzPower consumptionPower on: 33 WPower off: 7.9 WTemperatureOperating:5C to 40CStorage:20C to 60COperating position:Horizontal onlyDimensions (WxHxD):435 mm x 124 mm x 391 mmWeight:6.7 kgInput/Output:21-pin SCART connectors :IN/OUT x 1, I
4、N/DECODER x 1RCA connectors:VIDEO IN x 1, AUDIO IN x 1, AUDIO OUT x 1S-Video connectors: IN x 1, OUT x 1DV connector: IN/OUT x 1(4-pin, IEEE1394 conformity, digital input/output)VHS DECK VIDEO/AUDIOSignal system:PAL-type colour signal and CCIR monochromesignal, 625 lines 50 fieldsRecording system:DA
5、4 (Double Azimuth) head helical scan systemFormat:S-VHS/VHS PALstandardSignal-to-noise ratio:45 dBHorizontal resolution(SP/LP):250 lines (VHS)400 lines (S-VHS)(EP):220 lines (VHS)350 lines (S-VHS)Frequency range:70 Hz to 10,000 Hz (Normal audio)20 Hz to 20,000 Hz (Hi-Fi audio)Maximum recording time(
6、SP):240 min. with E-240 video cassette(LP):480 min. with E-240 video cassette(EP):720 min. with E-240 video cassetteDVDECK VIDEO/AUDIOSignal system:PAL-type colour signal, 625 lines 50 fieldsRecording system:Digital Component RecordingFormat:DV format (SD mode)Cassette:Mini DV CassetteMaximum record
7、ing time(SP):60 min. with M-DV60ME cassette(LP):90 min. with M-DV60ME cassetteAudio recording system:PCM 48 kHz, 16 bit (2 ch)/32 kHz, 12 bit (4 ch)TUNER/TIMERTV channel storagecapacity:99 positions(+AUX position)Tuning system:Frequency synthesized tunerChannel coverage:VHF47 MHz 89 MHz/104 MHz 300
8、MHz/302 MHz 470 MHzUHF470 MHz 862 MHzMemory backup time:Approx. 60 min.ACCESSORIESProvided accessories:RF cable,21-pin SCART/RCAcable,BNC/RCA adapter x 2,Satellite Controller RM-SD1,Infrared remote control unit,“R6“ battery x 2Specifications shown are for SP mode unless otherwise specified.E.& O.E.
9、Design and specifications subject to change without notice.Important Safety PrecautionsINSTRUCTIONS1. DISASSEMBLY1.1 HOW TO REMOVE THE MAJOR PARTS . 1-11.1.1 Introduction . 1-11.2 HOW TO READ THE DISASSEMBLY AND ASSEMBLY . 1-11.3 DISCONNECTION OF CONNECTORS (WIRES) . 1-11.4 SCREWS USED CABINET COMPO
10、NENTS AND BOARD ASSEMBLIES . 1-11.5 HOW TO REMOVE THE MAJOR PARTS . 1-21.5.1 Disassembly flow chart . 1-21.5.2 Disassembly/assembly method . 1-21.6 HOW TO REMOVE THE MAJOR PARTS . 1-41.6.1 Disassembly flow chart . 1-41.6.2 DIsassembly/assembly method . 1-41.7 HOW TO REMOVE THE MAJOR PARTS . 1-61.7.1
11、 Disassembly flow chart . 1-61.7.2 Disassembly/assembly method . 1-61.8 SERVICE POSITIONS . 1-81.8.1 Service position . 1-81.8.2 Service position . 1-91.9 MECHANISM SERVICE MODE . 1-101.9.1 How to set the “MECHANISM SERVICE MODE“ . 1-101.10 CONNECTION . 1-111.11 EMERGENCY DISPLAY FUNCTION . 1-131.11
12、.1 Displaying the emergency information . 1-131.11.2 Clearing the emergency history . 1-131.11.3 Emergency content description . 1-141.11.4 Emergency detail information 1 . 1-151.11.5 Emergency detail information 2 . 1-162. MECHANISM ADJUSTMENT (VHS)2.1 BEFORE STARTING REPAIR AND ADJUSTMENT . 2-12.1
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