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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.
H'D SWITCHING
PULSE
A
ENVELOPE
A
Fig. 2-7 Adjustment Points
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).
GUIDE ROLLER S
Samsung Electronics
B
B
S HEIGHT TOO HIGH
S HEIGHT TOO LOW
Fig. 2-8 Guide Roller S, T Height Adjustment
SET SCREW
7. Play back the Mono Scope alignment tape (SP
Mode).
8. Connect CH1 to JM114 (ENV), and CH2 to
JM113 (H'D) for taking sync (located on the
same PCB).
9. Turn the guide roller head with a flat head
screw driver (
envelope as shown in Fig. 3-14.
10. After completing the adjustments, tighten the
set screw.
IDEAL ENVELOPE
T HEIGHT TOO HIGH
Alignments and Adjustments (VCR)
GUIDE ROLLER
Fig. 3-13
) to obtain a flat video RF
T HEIGHT TOO LOW
GUIDE ROLLER T
3-5
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