5.4. SUB TINT
Item/Preparation
Adjustment Procedure
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
1.
Adjust Sub NTSC Tint so that the peak of level of waveform is
similar to Fig. 3
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.
Fig. 4
5.5. SUB COLOUR
Item/Preparation
Adjustment Procedure
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
1.
Adjust Sub Colour:
A = 3.3 ± 0.5V
Fig. 5
12
TX-29P180X
Summary of Contents for TX-29P180B
Page 25: ...7 CONDUCTOR VIEWS 7 1 A Board TNP4G167AA 25 TX 29P180X ...
Page 26: ...8 SCHEMATIC DIAGRAMS 8 1 SCHEMATIC DIAGRAM NOTES 26 TX 29P180X ...
Page 27: ...27 TX 29P180X ...
Page 29: ...9 PARTS LOCATION TX 29P180X 29 ...
Page 30: ...TX 29P180X 30 ...
Page 31: ...10 Replacement Parts List 10 1 Replacement Parts List Notes 31 TX 29P180X ...
