Sub Tint; Sub Colour - Panasonic TX-29P180B Service Manual

TX-29P180X
5.4.

SUB TINT

1. Receive a 3.58 MHz NTSC rainbow pattern
2. Connect oscilloscope to A51 pin 50.
3. Set controls:
BRT............. ...CENTER
COLOUR........CENTER
CONTRAST....MAX
NTSC TINT.....CENTER
AI................ ....OFF
5.5.

SUB COLOUR

1. Receive a 3.58 MHz NTSC rainbow pattern
2. Connect oscilloscope to A51 pin 48.
3. Set controls:
BRT............. ...CENTER
COLOUR........CENTER
CONTRAST....MAX
AI................ ....OFF
Item/Preparation
Item/Preparation
Adjustment Procedure
1. Adjust Sub NTSC Tint so that the peak of level of waveform is
similar to Fig. 3
2. Receive the Rainbow pattern (3.58 MHz NTSC) on both of Main
and Sub pictures.
3. Adjust Sub NTSC Tint 2 so that the peak of level of waveform is
similar to Fig. 4.
Adjustment Procedure
1. Adjust Sub Colour:
A = 3.3 ± 0.5V
12
Fig. 3
Fig. 4
Fig. 5