Samsung CHT-420 Service Manual

Also see for CHT-420: Instruction manual Instruction manual Service manual Manual de instrucciones

Contents

2-10Alignment and AdjustmentsSamsung Electronics2-3-2 Tape Transport System AdjustmentWhen parts are replaced, perform the required adjustments by referring to procedures for the tape transportsystem. If there are any changes to the tape path, first run a T-120 tape and make sure excessive tape wrinkle doesnot occur at the tape guides.◆ If tape wrinkle is observed at the guide roller S, T, turn the guide roller S, T until wrinkle disappears.◆ If the tape wrinkle is still observed at the tape guide, perform the tilt adjustment of the ACE head.(1) ACE Head Assembly Adjustmenta. ACE HEAD HEIGHT ADJUSTMENT1) Run the alignment tape (Color bar) in the playback mode.2) Observe surface of the audio head using a dental mirror.3) Turn screw (C) clockwise or counterclockwise until the gap of lower tape edge and the lower edge of thecontrol head is about 0.25mm. (Refer to Fig. 2-12 and 2-13)Fig. 2-12 Location of ACE Head Adjustment ScrewFig. 2-13 ACE Head Height AdjustmentSCREW (A)TLIT ADJUSTX-POSITIONADJUSTING SLITSCREW (C)HEIGHT ADJUSTSCREW (D)X-POSITION LOCKINGSCREW (B)AZIMUTH ADJUST0 ~ 0 .25 mmAUDIO HEADVIDEO HEADCONTROL HEAD