Linearity Adjustment - Sony TRINITRON BVM-14G1A Operation And Maintenance Manual

3-6. Linearity Adjustment

Note: The following adjustment menus are under the E
BOARD menu of the MAINTENANCE menu.
H PHASE
V CENTER
V SIZE
V LIN BALANCE
V LIN AMP
H SIZE
H LIN BALANCE
H LIN AMP
H KEY BAL
H KEY
H PIN BAL
H PIN
H CENTER BOW
H MID PIN
H U COR PIN
H L COR PIN
1. Input the cross hatch signal.
2. Check that the image is not tilting, and there is no top
and bottom V PIN distortion nor horizontal trapezoid
distortion.
Tilt: Adjust the DY tilt.
Top/bottom V PIN distortion: Adjust the top and bot-
Horizontal trapezoid distortion: Adjust using the DY
3. Input the monoscope signal.
4. Set the SCREEN MODE to 4:3 NORM at the INPUT
CONFIGURATION menu.
5. Adjust the H PHASE data, and adjust the horizontal
center of the image.
6. Adjust the vertical center of the image.
7. Input the cross hatch signal.
8. Adjust the V SIZE, V LIN BALANCE, and V LIN AMP
data as shown in Fig. 1-9.
9. Adjust the H SIZE, H LIN BALANCE, and H PIN AMP
data as shown in Fig. 1-10.
3-6
tom DY head swing
TLV VR (take note
that the convergence
may be disrupted.)
Fig. 1-9
Fig. 1-10
10. Adjust the H KEY BAL, H KEY, H PIN BAL, and H
PIN data so that there is no side trapezoid distortion and
PIN distortion as shown in Fig. 1-11.
11. Adjust the H U COR PIN and H L COR PIN data as
shown in Fig. 1-12.
12. Check the H CENTER BOW and H MID PIN is very
bad should it be adjusted.
13. Repeat the above adjustment to optimize the horizontal
and vertical linearity.
14. Adjust in the same way in the following modes.
4:3 UNDER SCAN mode
16:0 NORMAL SCAN mode
16:9 UNDER SCAN mode
V LIN BALANCE
V LIN AMP
H LIN BALANCE
H LIN AMP