Sharp 55R-WP4H, Service Manual

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35
61R-WP5H
55R-WP5H
1. Raster inclination adjustment (Deflection yoke)
Base raster adjustment
Adjustment preparation
(1) The set can face east or west.
(2) Input the single cross test signal (1080I component video, TV in stretch mode).
(3) Set video conditions to standard mode (STD).
(4) The lens focus adjustment should have been completed.
(5) The electric focus should have been coarse adjusted.
(6) Unplug wire "DI" from the H.V.unit.
(7) Start adjustment 20 minutes or more after TV is turned on.
Adjustment procedure
(1) Apply covers to the R and B lenses and project only green light.
(2) Turn the G deflection yoke and adjust the vertical raster inclination.
(3) Then, remove the cover of R or B lens and project red or blue light and green light together on the screen.
(4) Turn the deflection yoke of R or B and set so that the inclination of R or B with respect to the green light is as
shown below on the top and bottom sides.
(5) After raster inclination adjustment, fixing screw of DY should be screwed with 12±2 kg·cm torque.
2. Raster position adjustment (Centering magnets)
Adjustment preparation
(1) The set can face east or west.
(2) Input the single cross test signal.
(3) Set video conditions to standard mode.
(4) The lens focus adjustment should have been completed.
(5) The electric focus should have been coarse adjusted.
(6) Unplug wire "DI" from the H.V.unit.
(7) Start adjustment 20 minutes or more after TV is turned on.
Adjustment procedure
(1) Turn the centering magnets for red, green, and blue to satisfy the condition below. The red and blue horizontal
lines should match with green.
Size Vert. Line Side of Green
61" Red
l
1
19 left
61" Blue
l
2
21 right
55" Red
l
1
21 left
55" Blue
l
2
23 right
GREEN RED OR
BLUE
Marked H-Center Position
V- Center
Position
CROSSHATCH (GREEN)
Geometric
center of
the screen
R B
1 2
SERVICE ADJUSTMENT