sansui_pc-x1-service-manual维修手册

PC-X14SERVICE MANUAL·SPECIFICATIONSSignal format.Set to NTSC or PAL/SECAMdepending on locality of useCode formatEIA]standard formatTRICODE PCM AUDIO PROCESSORAudio channels................2 channelsSampling frequency.......44.056 kHzQuantized bits...............14-bit linear quantizationSANSUI PC-X1EmphasisPreemphasis (during recording).Fixed at ONDeemphasis (during playback)Automatic switching ON/OFF(identity code detection)Error compensation type......................Error correction and compen-sation by CRCC and parityInput sensitivity/Input impedance (1,000Hz)LINE IN90mV/47kilohmsVIDEO IN...............IVp-p/75ohmsMlC.….....0.45mV/5kilohmsMaximum permissible input(1.000Hz,otal harmonic distortion:0.02%)湯LINE IN....................5o0mvMIC2.5mwOutput voltage (1,000Hz)LINE OUT ...............250mV/10kileh ms(Maximum output voltage:1.4/10kilohms)VIDEO OUT,COPY OUT....1Vp-p/75ohmsTotal harmonic distortion (1,000Hz)4...........ess than 0.007Dynamic range.................more than 86dBFrequency response........5Hz to 20,0Hz+0dB.-0.5dBPower sourceBattery pack..............DC 12V (Type LCS-2012V orVW-VB10)Car battery...........DC 12VPower consumption........16 wattsPower requirements for accessory DC power supply:AC-X1Power voltage......120/220/240N(5060H2zFor U.S.A.and Canada.120V(60HzPower consumption....35 wattsCAUTIONDimensionsP℃-X1.266mm(10-/2")W1.Parts identified by the/symbol on the schematic73mm(2-7f")H287mm(11-i/16")Ddiagram and the parts list are critical for safety.AC-X1..........101mm4WUse only replacement parts that have critical charac-73mm2-7E)Hteristics recommended by the manufacturer.201mm(7.1/16")D2.Make leakage-current or resistance measurementsWeight..2.5kg (5.5 lbs:main unitPC-X1 onlyto determine that exposed parts are acceptably in-1.5kg (3.3 Ibi:power supplysulated from the supply circuit before returning theAC-XI onlyappliance to the customer.Design and specifications subject to clange without no-tice for improvements.In order to simplify the explanation ll ustrations maysometimes differ from the originals.SansuiSANSUI ELECTRIC CO.,LTD.4