Sony KV-14FV1B, Руководство по обслуживанию

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(2) Convergence adjustment of screen surroundings.
(Dynamic convergence)
1. Recieve dot pattern.
2. Set BRT to main and PIC to the level where dot pattern is
easy to see.
3. Shake DY up and down. Insert DY spacer at position 'A' so
that cross MIS convergence is minimum.
4. Shake DY right or left and insert DY spacer at position 'C'
and 'D' where tilt is the smallest both on vertical and
horizontal axis.
3-3. FOCUS ADJUSTMENT
1. Receive monoscope pattern.
2. Adjust FBT focus VR so that the picture has the best focus.
Adjust the focus so that the center of the screen is in the best
focus.
Turn focus VR clockwise to the end and then turn back counter
clockwise.
While turning back, pay attention to the centre cross of the
colour pattern, and then adjust the VR so that horizontal line
because clear and vertical line begins to become unclear.
Change signal to dot pattern, confirm that corner focus is good.
3. Receiving white signal, confirm that magenta ring is hardly
noticed.
B
B
B
B
B B
B B
B
B
B
B
G
G
G
G
G G
G G
G
G
G
G
R
R
R
R
R
R
R R
R
R
R
R
Fig.3-6
a
a
b
b
c
c
d
d
a-d : screen-corner
misconvergence
Fig.3-7
3-4. SCREEN (G2) ADJUSTMENT
1. Receive a Black signal, Cross and Hatch signal or dots signal.
2. Make sure to be in Personal, reset condition.
3. Adjust screen VR on FBT so that highest level of black area
among kathodes is 175 ± 2 V.
Fig.3-8
Fuoco
Schermo