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(4)
Screen-corner
Convergence
Affii a Permalloy ass'y corresponding to the
misconverged areas.
b
d
3-3. FOCUS
1.
Tune in an off-air signal.
2. PICTURE -control to 80%.
3. Adjust the focus VR on A board so that the
focus at the center of the screen is optimum.
A magenta ring will appear if the focus is
adjusted only in the center of the screen.
Adjust evenly throughout the entire screen.
3-4. G2 (SCREEN) AND WHITE BALANCE
ADJUSTMENTS
1.
1) Set the PICTURE and BRIGHTNESS to normal.
2) Confirm Gl voltage is within 30.0&5V.
3) Apply DC voltage of 180V to the cathodes of R,
G and B from DC stabilized power source.
4) While watching the picture, adjust the G2 control
(RV701) to the just the retrace line disappears.
(Using the Remote Commander)
2 . W H I T E B A L A N C E A D J U S T M E N T S
Set to service mode.
Press I=] -+ -1 to normal and if
necessaries "TRINITONE" set to "LOW" by
or /=J .
Input an entire white signal.
Set the PICTURE to minimum.
Select S BRT with m and 1 , and then set the
level to minimum with 1 and @
And adjust the level with m and m for the best
white
7) Set the PICTURE to maximum.
8) Select G AMP and B AMP with
adjust the level with @ and H for the best white
balance.
9) Write into the memory by pressing IMUTING]
then [ENTER].
3. SUB BRIGHT ADJUSTMENT
1)
Set to service mode.
2) Input a staircase signal of black and white from
the pattern generator.
3) BRIGHTNESS *** RESET
PICTURE * * * * * . * . .
F O C U S
4) Select S BRT with m and m , and adjust SUB
BRIGHT level with H and B so that the stripe
second from the right is dimly lit.
w h i t e
balance.
minimum
second f ram the right
q
1
and 4, and
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