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White Balance Adjustment [d93]; Deflection Adjustment; 525 Vertical Deflection Adjustment - Sony PVM-9L1 Service Manual

Trinitron color video monitor.
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2-13-3. White Balance Adjustment [D93]

1. Receive window pattern signal.
2. Set the COLOR TEMP to D93.
3. Adjust the D93 white balance within standard (de-
scription below) using the [R DRIVE] and [B DRIVE]
at SERVICE MODE [SIGNAL]-[WHITE BAL-
ANCE]-[AJUST GAIN] .
X
Y
D93
283
298
Switch the item R 8 G 8 B with [ENTER], and
change the data with [+]/[_].
4. Change over to all white signal and lower signal level,
set brightness to 3cd/m
5. Adjust the D65 white balance within standard (de-
scription below) using the [OFFSET R] and [OFFSET
G] at SERVICE MODE [SIGNAL]-[WHITE BAL-
ANCE]-[AJUST BIAS] .
X
Y
D93
283
298
Switch the item R 8 G with [ENTER], and change
the data with [+]/[_].
6. Repeat the manual 2 to 5 until be able to adjust GAIN
side and BIAS side to the same value.
PVM-9L1
2
.

2-14. Deflection Adjustment

n
V.CENT and V.SIZE should be checked after V.LIN
adjustment.

2-14-1. 525 Vertical Deflection Adjustment

1. Receive 525 SPCB signal.
2. Set the following settings.
CONTRAST 8 80
BRIGHTNESS 8 0
3. Enter service mode.
4. Adjust V.SIZE roughly to 13 blocks with [V SIZE] in
[DEFLECTION]-[RASTER V] at SERVICE MENU.
And adjust V.CENT with [V CENTER].
n
Confirm these items and data as follow.
[DEFLECTION]-[RASTER V] at SERVICE MENU
V. SCROLL :
31
V. SLOPE :
20
V. ZOOM :
0
5. Receive 525 Cross-Hatch signal.
6. Confirm the following items.
. Confirm DY tilt
. Confirm upper/lower V PIN
7. Adjust the Horizontal trapezoid with [TLY] at DY.
8. Adjust V.LIN with [V LINEARITY], [S-CORREC-
TION] in [DEFLECTION]-[GEOMETRY] at SER-
VICE MENU.
V LINEARITY
S-CORRECTION
2-11

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