Kenwood RXD-NV301 Service Manual

Also see for NV-301: Instruction manual

Contents

Kenwood RXD-NV301 Service Manual Manual pdf 10 page image

RXD-NV301/NV301E/NV701/NV701E10ADJUSTMENTRVS FWDNO. ITEM INPUT SETTING OUTPUTSETTINGCASSETTE TAPEDECK SETTINGALIGNMENTPOINTS ALIGN FOR FIG.0dBs = 0.775VI Cassette mechanism unit (Adjustment of the REC / PLAY head)Unless otherwise specified, set the respective swiches as followsTAPE: NORMAL DOLBY: OFF(1) Demagnetizationand cleaningPower : OFFDemagnetization,cleaning, PLAYRecordinghead, erasehead, capstanpinch rollerDemagnetize the REC / PLAY headwith the head eraser. Clean the REC /PLAY head, erase head, capstan andpinch roller using a cotton swab slightlydamped with alcohol.(2)Azimuth of theREC / PLAYheadSCC-1727TCC-153MTT-11410kHz, -10dBTP401(L)TP402(R)TP401(L)TP402(R)TP401(L)TP402(R)TP401(L)TP402(R)Connect aDC voltmeteras follows.TP405(Lch),TP404(Rch)PLAYAdjust the output to maximum andadjust the azimuth adjustment screwfor the Lissajours waveform pattern ofthe oscilloscope to become close to a45ß straight line.II PC BOARD ADJUSTMENT(1) TAPE SPEED(NORMAL)TCC-110MTT-111SCC-17273kHZPLAY VR407 Adjust the tape speed so that 3kHz isobtained at the center of the tape.III PC board adjustment.(1)(2)PLAYBACKLEVELSIGNALCURRENTTCC-130400Hz PLAY VR401(L)VR402(R)VR403(L)VR404(R)Adjust the playback output to —6dBs.-20dBs(3) BIAS CURRENT(A)12.5kHz, -20dBInsert CrO2blank TAPE(A)Adjust the AGfor the output of thedeck to be come-20dBs at 400Hz.REC PAUSEREC PLAYVR405(L)VR406(R)7mV(NV701)5.5mV(NV301)DECK BOARDVR407VR404SIGNALCURRENTVR402(PB/R)TP404(Rch)VR406R BIASL BIASVR405VR403VR401(PB L)TP402(Rch)GND TP401(Lch)TP405(Lch)www . xiaoyu163. comQQ 376315150 992894298TEL 13942296513 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299