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. 3-4 Location of A/C 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. 3-5 A/C Head Height Adjustment
0 ~ 0 .25 mm
AUDIO HEAD
VIDEO HEAD
CONTROL HEAD
Summary of Contents for CXJ1352AX
Page 2: ...ELECTRONICS Samsung Electronics Co Ltd JUL 2000 Printed in Korea 3V15A 1922 ...
Page 8: ...2 2 Samsung Electronics MEMO ...
Page 18: ...MEMO 3 10 Samsung Electronics ...
Page 28: ...MEMO 4 10 Samsung Electronics ...
Page 30: ...MEMO 5 2 Samsung Electronics ...
Page 48: ...MEMO 6 18 Samsung Electronics ...
Page 50: ...Exploded View Parts List 7 2 Samsung Electronics 7 2 Mechanical Parts Top Side Twin Deck ...
Page 51: ...Exploded View Parts List Samsung Electronics 7 3 7 3 Mechanical Parts Bottom Side Twin Deck ...
Page 85: ...8 34 Samsung Electronics MEMO ...
Page 89: ...Block Diagram 9 4 Samsung Electronics 9 4 Deflection Block Diagram ...
Page 90: ...Block Diagram 9 5 Samsung Electronics 9 5 Video Sound Signal Flow ...
Page 91: ...10 Wiring Diagram Wiring Diagram Samsung Electronics 10 1 ...
Page 94: ...PCB Layout Samsung Electronics 11 3 11 3 Main CONTROL ...
Page 97: ...Schematic Diagrams 11 3 Samsung Electronics 11 3 VCR POWER BLOCK ...
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