Alignments and Adjustments (VCR)
3-2
Samsung Electronics
Fig. 3-3
3-2 Adjustments
3-2-1 Preadjustment
1. When parts are replaced, the tape ran sport
system may be changed. When many
different parts are replaced, refer to the
procedures for the tape transport system.
To begin run a T-120 tape and make sure that
excessive tape wrinkle does not occur at each
of the tape guides.
2. If tape wrinkle occurs at the S, T-guide rollers,
turn the S, T-guide rollers until the tape
wrinkle disappears.
3. If tape wrinkle still occurs at the tape guide,
adjust the tilt of A/C head.
4. A/C head adjustment locations
3-2-2 Adjustments
3-2-2(A) A/C HEAD HEIGHT ADJUSTMENT
1. 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 the control head is about 0.25mm
(Refer to Fig. 3-4 and 3-5).
Test Points : JM112-CTL (control waveform)
JM113-H’D SW (head switching sync)
JM114-EnV (envelope waveform)
JM119-A.OUT (audio output)
Test Tape : Color bar (1 KHz)
Lion pattern(7 KHz)
Fig. 2-3 Location of ACE Head Adjustment Screw
SCREW (A)
TLIT ADJUST
X-POSITION
ADJUSTING SLIT
SCREW (C)
HEIGHT ADJUST
SCREW (D)
X-POSITION LOCKING
SCREW (B)
AZIMUTH ADJUST
Fig. 2-4 ACE Head Height Adjustment
0 ~ 0 .25 mm
AUDIO HEAD
VIDEO HEAD
CONTROL HEAD
Содержание CXJ1964BX/XAA
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