Alignments and Adjustments (VCR)
Samsung Electronics
3-5
4. If Fig. 3-12 A does not meet the specification,
adjust the S-guide roller up or down.
5. If Fig. 3-12 B does no meet the specification,
adjust the T-guide roller up or down.
6. Slightly loosen the set screw at the lower part
of S, T-guide rollers using a hex wrench
(diameter : 0.9mm), so that the guide rollers
can be adjusted with reasonable tightness
(Fig. 3-13).
Fig. 3-12 Adjustment Points
A
B
A
B
H'D SWITCHING
PULSE
ENVELOPE
7. Play back the Mono Scope alignment tape (SP
Mode).
8. Connect CH1 to JM114 (ENV), and CH2 to
JM113 (HÕD) for taking sync (located on the
same PCB).
9. Turn the guide roller head with a flat head
screw driver ( ) to obtain a flat video RF
envelope as shown in Fig. 3-14.
10. After completing the adjustments, tighten the
set screw.
Fig. 3-13
SET SCREW
GUIDE ROLLER
Fig. 3-14 S, T-Guide Roller Height Adjustment
IDEAL ENVELOPE
S HEIGHT
TOO HIGH
S HEIGHT
TOO LOW
T HEIGHT
TOO LOW
T HEIGHT
TOO HIGH
GUIDE ROLLER S
GUIDE ROLLER T
Summary of Contents for CXJ2512X/XAA
Page 2: ...ELECTRONICS Samsung Electronics Co Ltd AUG 1999 Printed in Korea 3V51A 2501 ...
Page 8: ...2 2 Samsung Electronics MEMO ...
Page 18: ...MEMO 3 10 Samsung Electronics ...
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Page 30: ...MEMO 5 2 Samsung Electronics ...
Page 48: ...MEMO 6 18 Samsung Electronics ...
Page 67: ...Schematic Diagrams 11 3 Samsung Electronics 11 3 VCR POWER BLOCK ...