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6-4-3 Bow Convergence Adjustments
CONDITIONS
Orientation:
Monitor facing east.
Display Image: Crosshatch pattern with mixed
RGB colors.
Required tools: Flat-head (–) screwdriver, 1.5 mm
Philips (+) screwdriver, 1.5 mm
Hexkey, 2.5 mm
PROCEDURE
Bow convergence adjustments are not available
for the CRTs used in the CSH7839L/CSH9839L
monitors. While all CRTs have bow convergence
magnets, they are sealed in the CRT factory and
are not user or service technician adjustable. Do
not touch these magnets (see Figures 6-11 and 6-
12). If bow convergence adjustment is out of
alignment, replace the CRT.
Bow misconvergence should not exceed the values
listed in Table 6-5: Misconvergence Tolerances.
6-4-4 Balance Convergence Adjustments
Balance Convergence involves alignment of red
and blue lines when they are misaligned at one
end more so than at the other end. The Deflection
Yoke holds the balance coils which can correct
balance misconvergences.
Figure 6-15. SDD and Hitachi Deflection Yoke
Figure 6-16. Toshiba Deflection Yoke
6-4-4 (a) HORIZONTAL LINE RED AND BLUE
BALANCE CONVERGENCE
Figure 6-17. Horizontal Line Balance Misconvergence
Use a 2.5 mm hexkey at the Horizontal Balance
Coil (X
V
). Turning it right raises the right end of
the blue line and lowers the left end. Turning the
VR to the left lowers the right end of the blue line
and raises the left end.
6-4-4 (b) VERTICAL RED AND BLUE BALANCE
CONVERGENCE
Figure 6-18. Vertical Line Balance Misconvergence
Use a 1.5 mm screwdriver (flat-head [–] for SDD
DYs and phillips type [+] for Toshiba DYs) at the
Y
H
variable register. Turning the VR left tilts the
blue line to the right. Turning it right tilts the blue
line to the left.
6-4-4 (c) UPPER AND LOWER HORIZONTAL LINE
CONVERGENCE
Figure 6-19. Upper and Lower Balance Misconvergence
Use a 1.5 mm screwdriver (flat-head [–] for SDD
DYs and phillips type [+] for Toshiba DYs) at the
Yv variable register. Turning the VR to the left
moves the blue line at the top upward and at the
bottom, the line moves downward. Turning it
right moves the blue line at the top downward
and at the bottom, the line moves upward.
6 Alignment and Adjustments
6-10
CSH7839L/CSH9839L
BLUE
RED
RED
BLUE
RED
BLUE
RED
BLUE
Y
H
Xv
Y
v
HORIZONTAL
BALANCE COIL
Y
V
X
V
Y
H
Содержание SyncMaster 700p Plus
Страница 2: ...Samsung Electronics Co Ltd April 1998 Printed in Korea Code No BH68 61072A ...
Страница 47: ...8 Exploded View and Parts List 8 1 Front Cover CRT Ass y CSH7839L CSH7839L CSH9839L 8 1 ...
Страница 48: ...8 2 Chassis Stand Ass y CSH7839L 8 Exploded View Parts List 8 2 CSH7839L CSH9839L ...
Страница 49: ...8 3 Rear Cover Ass y CSH7839L 8 Exploded View Parts List CSH7839L CSH9839L 8 3 ...
Страница 50: ...8 Exploded View Parts List 8 4 CSH7839L CSH9839L 8 4 Front Cover CRT Ass y CSH9839L ...
Страница 51: ...8 5 Chassis Stand Ass y CSH9839L 8 Exploded View Parts List CSH7839L CSH9839L 8 5 ...
Страница 52: ...8 6 Rear Cover Ass y CSH9839L 8 Exploded View Parts List 8 6 CSH7839L CSH9839L ...
Страница 76: ...9 Electrical Parts List 9 24 CSH7839L CSH9839L Memo ...
Страница 78: ...Memo 10 Block Diagrams 10 2 CSH7839L CSH9839L ...
Страница 80: ...Memo 11 PCB Diagrams 11 2 CSH7839L CSH9839L ...
Страница 82: ...13 1 CSH7839L CSH9839L 13 Schematic Diagrams 13 1 Power Part Schematic Diagram ...
Страница 84: ...13 Schematic Diagrams 13 3 CSH7839L CSH9839L 13 2 Micom H V Process Part Schematic Diagram ...
Страница 86: ...13 Schematic Diagrams 13 5 CSH7839L CSH9839L 13 3 Main Part Schematic Diagram ...
Страница 88: ...13 Schematic Diagrams 13 7 CSH7839L CSH9839L 13 4 Video Part Schematic Diagram ...
Страница 90: ...13 Schematic Diagrams 13 9 CSH7839L CSH9839L 13 5 CRT Socket Control Part Schematic Diagram ...