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3-3. FOCUS ADJUSTMENT
Adjust FOCUS control on the C board (RV703) for the best focus.
SERVICE
MUTING
1 F
DATA
RDR
Adjustment Item
09
Item number
WRITE
1 F
RDR
09
0
Executes the writing
Green
2. WHITE BALANCE ADJUSTMENTS
1) Set to Service Mode.
2) Input an entire white signal.
3) Set the PICTURE to maximum.
4) Select RDR(09) with
[1]
and
[4]
, and then set the level to 25
with
[3]
and
[6]
.
5) Select GDR(0A) and BDR(0B) with
[1]
and
[4]
and adjust the
level with
[3]
and
[6]
for the best white balance.
6) Write into the memory by pressing
[MUTING]
then
[0]
.
3-4. G2 (SCREEN) AND WHITE BALANCE
ADJUSTMENTS
1. G2 (SCREEN) ADJUSTMENT (RV701)
1) Set the PICTURE and BRIGHTNESS to normal.
2) Put to VIDEO input mode without signals.
3) Connect R, G, and B of the C board cathode to the oscillo-
scope.
4) Adjust G2 (RV701) volume to the value below.
0 V
165V
±
2 V DC
FLYBACK TRANSFORMER (T851)
Note: Screen VR is not used.
a. AN ITEM OF ADJUSTMENT
Item
number
Note
Adjustment
item
Initial DATA
09
RDR
25
WHITE POINT R
0A
GDR
20
WHITE POINT G
0B
BDR
20
WHITE POINT B
b. METHOD OF CANCELLATION FROM SERVICE
MODE
Set the standby condition (Press
[POWER]
button on the
commander) and then press
[POWER]
button again, hereupon it
becomes TV mode.
c. METHOD OF WRITE FOR MEMORY
1) Set to Service Mode.
2) Press
[1]
(UP) and
[4]
(DOWN), select the item for adjustment.
3) Press
[MUTING]
button indicate WRITE (Green) on screen.
4) Press
[0]
button to write into memory.
d. MEMORY WRITE CONFIRMATION METHOD
1) After adjustment, pull out the plug from the AC outlet, and
then plug into the AC outlet again.
2) Turn the power switch ON and set to Service Mode.
3) Call the adjusted items again to confirm adjustments were made.
FOCUS
(NOT USED)
SCREEN
(NOT USED)
