JVC HR-J3008UM Service Manual

SERVICE MANUALNo.82852April 2001HR-J3008UM/J4008UMVIDEO CASSETTE RECORDERRegarding service information other than these sections, refer to the HR-A37U service manual (No.82836).Also, be sure to note important safety precautions provided in the service manual.SPECIFICATIONS(The specifications shown pertain specifically to the model HR-J4008UM)Specifications shown are for SP mode unless specified otherwise.E. & O.E. Design and specifications subject to change withoutnotice.GENERALPower requirement : AC 110 V – 220 Vd, 50 Hz/60 HzPower consumptionPower on : 14 WPower off : 2.0 WTemperatureOperating : 5°C to 40°CStorage : –20°C to 60°COperating position : Horizontal onlyDimensions (W x H x D) : 360 mm x 94 mm x 247 mmWeight : 3.0 kgFormat : VHS NTSC standardMaximum recording timeSP : 210 min. with ST-210 video cassetteEP : 630 min. with ST-210 video cassetteVIDEO/AUDIOSignal system : NTSC-type color signal and EIAmonochrome signal, 525 lines/60 fieldsRecording/Playbacksystem: DA-4 (Double Azimuth) head helicalscan systemSignal-to-noise ratio : 45 dBHorizontal resolution : 230 linesFrequency range : 70 Hz to 10,000 HzInput/Output : RCA connectors (IN x 1, OUT x 1)TUNERTuning system : Frequency-synthesized tunerChannel coverageVHF : Channels 2–13UHF : Channels 14–69CATV : 113 ChannelsRF output : Channel 3 or 4 (switchable; preset toChannel 3 when shipped) 75 ohms,unbalancedTIMERClock reference : QuartzProgram capacity : 1-year programmable timer/8 programsMemory backup time : Approx. 6 monthsEstimated figure based on suppliedfresh battery; actual performance maydiffer.ACCESSORIESProvided accessories : RF cable (F-type),Lithium battery CR2025,Infrared remote control unit,“AA” battery x 2,Conversion plug