Sony TRINITRON PVM-14N1A Service Manual page 17

14.
15.
16.
17.
18.
19.
20.
21.
22.
22.
24
Press the [ENTER] key once to show the C/O REF screen.
C/O REF Screen
BC/OREF GC/OREF RC/OREF
Numeric values are displayed in hexadecimal value.
(Numeric values in the figure are examples.)
Check that B C/O REF and G C/O REF and R C/O REF lev-
els gather at the center of 0-FF (hexadecimal value). (Note 1)
(Note 1)
FF (hexadecimal value) —- (R C/O REF)=(B C/O REF)
If the level is shifted from the center, press the [ENTER] key
three times to return to the adjustment mode, and adjust
to return to 14.
creases.
Save the data.
on the C/O REF screen, and note them on a piece of paper,
etc. Next, press[ENTER | twice to set the adjustment mode.
Change the , and
values to the values checked before, and save them.
Save the data.
Exit the service mode.
Select the RGB input. (Note 2)
(Note 2) Press the [RGB] key for the model with RGB.
Short-circuit between S006 and GND once for the
model without RGB (including SSM series).
Enter the service mode.
mined in step 9, 10 to [R DRIVE],[G DRIVEland[B DRIVE].
Set the values of {[G C/O REF], and
determined in step 17 to [R C/O REF], , and
. Save the data.
25. Exit the service mode.
26. Return the input to LINE-A. (Note 3)
(Note 3)
As for the SSM series, press $008 on the board A.
3-10. FOCUS ADJUSTMENT
Note :PVM-14 inch models are adjusted with RV702 on the CA
board.
PVM-20 inch models are adjusted with RV on the upper side
of the FBT unit.
1. Input a 525 monoscope signal.
2. Adjust the focus to optimize the focus on the characters "30"
at the center of the screen.
3. Switch to an all-white signal and check the uniformity.