[Linearity Adjustment] - Sony BVM-D32E1WA Maintenance Manual

[Linearity Adjustment]

Note: The following adjustment menu is located inside the
E BOARD menu of the MAINTENANCE menu.
V CENTER
H LIN BAL
H LIN
V LIN BAL
H KEY BAL
H KEY
H PIN BAL
H PIN
1. Input the HD (1125) cross-hatch signal.
2. Select the 16:9 NORM of the SCREEN mode using
the INPUT CONFIGURATION menu of the SETUP
menu.
3. Confirm that there exists no DY inclination, no V PIN
cushion distortion in the top and bottom and no
horizontal trapezoidal distortions on screen. If there
exits any errors, remove the errors as follows.
DY inclination :
Adjust the DY inclination
V PIN cushion distortion in the top and bottom:
DY up/down neck twist
Horizontal trapezoidal distortion :
Adjust by H. TRP VR of the DY
(If they are adjusted extremely, the convergence can
be adversely affected. In such a case, select the green
single color for this adjustment.)
4. Input the HD (1125) monoscope signal.
5. Adjust the H CENTER data and adjust the horizontal
center of the image.
6. Adjust the V CENTER data and adjust the vertical
center of the image.
7. Input the HD (1125) cross-hatch signal.
8. Adjust the VSIZE, V LIN BAL, and V LIN data as
shown in Fig. 1-8.
Fig. 1-8
3-8
H CENTER BOW
H MID PIN
H CORNER PIN
V SIZE
H LINE
V LIN
H CENTER
V LIN BAL
V LIN AMP
9. Adjust the H SIZE, H LIN BAL, and H LIN data as
shown in Fig. 1-9.
Fig. 1-9
10. Adjust the H KEY BAL, H KEY, H PIN BAL, and H
PIN data so that the trapezoid distortion and PIN
distortion at the side disappear as shown in Fig. 1-10.
11. Adjust the H CENTER BOW, H MID PIN, and H
CORNER PIN data as shown in Fig. 1-11.
12. Repeat the above adjustments and optimize the
horizontal and vertical linearities.
13. Change the SCREEN MODE for the following modes
as well, and perform adjustments in the same way.
MODE2 1125
MODE3 1035/60i (33kHz)
MODE4 1125
MODE7 480/60P (31kHz)
MODE8 525
MODE9 525
MODE10 525
MODE15 1080/48i (27kHz)
MODE16 1125
H LIN BAL
H LIN
16:9 UNDER SCAN
16:9 NORMAL
16:9 UNDER SCAN
16:9 NORMAL
16:9 UNDER SCAN
4:3 NORMAL
4:3 UNDER SCAN
16:9 NORMAL
16:9 UNDER SCAN
BVM-D32E1WA/D32E1WE/D32E1WU