Ntsc 120Hz Mode (120I) - Panasonic TX-47P500HM Service Manual

8.3.3. V-Amp, V-Linear and V-Pos
Adjustment
1. Adjust Vertical amplitude for 2.5 ± 0.1 division of a scale by
V-Amp control.
2. Confirm Vertical Linear as to the balance of circle, if need
adjust V-Linear control.
3. Confirm Vertical Center, if it is not correct, adjust
Monoscope pattern for center of the screen by V-Pos
control.
8.3.4. Parabola and Trapezoid
Adjustment
1. Receive NTSC cross hatch pattern.
2. Adjust the vertical line to straight line by Parabola control.
3. Adjust the vertical line to straight line of both side Vertical
line by Trapezoid control.
8.4.

NTSC 120Hz mode (120i)

8.4.1. Preparation
1. Receive PAL monoscope pattern.
2. Copy the Data of to NTSC Progressive mode (60p) to
NTSC 120Hz mode (120i).
3. Set the Picture Menu to NORMAL.
4. Set scan mode to 120Hz.
5. Set the TV to Service Mode 1.
6. Set the Data of Service Mode 1 as follow
H-Parallel
V-Linear
Top-Corner
7. Push [ 0 ] button so that set the Data of Coarse/Fine
Convergence to Zero Correction.
8. Push [ HELP ] button so that projecting Green only.
8.4.2. V-Amp, V-Linear and V-Pos
Adjustment
1. Adjust Vertical amplitude for 2.5 ±0.1 division of a scale by
V-Amp control.
2. Confirm Vertical Linear as to the balance of circle, if need
adjust V-Linear control.
3. Confirm Vertical Center, if it is not correct, adjust
Monoscope pattern for center of the screen by V-Pos
control.
21
TX-47P500HM / TX-47P500HQ / TX-47P500HZ / TX-47P500X
8 Bottom-Corner 21
30 V-S-Correct 10
20 C-Correct 4