Panasonic TX-25V70T — настройка цветового вывода и регулировка яркости телевизора [6/50]

Item Adjustment Waveform PAL Colour Output 1 Receive a colour bar pattern Connect an oscilloscope to TPE38 G OUT and chassis earth 2 Set Colour Brightness and Contrast to Normal 3 Set the picture menu to Dynamic mode 4 Set the TV to Market Mode 5 Connect a short jumper between TPE32 and TPE35 6 Adjust Sub Bright Control by pressing either the vol ume UP or DOWN buttons on the TV set as follows Sub brightness adj mode TpE38 G_OUT BRIGHT 3 1 0 1V 2 6 0 2V Fig 6 2 6 0 2 V Adjust Sub colour by by pressing either the volume UP or DOWN buttons on the TV set as follows Fig 6 DC 0V Fig 6 Sub colour adj mode TPE39 R OUT 3 1 0 1 V 8 Connect the oscilloscope to TPE39 R OUT 9 Confirm that the amplitude of waveform Fig 7 3 2 0 5 V 10 Press normal button on remote controller and check CHK disappear from CRT screen 3 2 0 5V 4 Black level M NTSC Sub Tint Adjustment 1 Apply 3 58MHz NTSC rainbow pattern 2 Connect a short jumper between TPE32 and TPE35 3 Connect an oscilloscope to TPE39 R OUT 4 Press S1106 colour system SW to NTSC 3 58 5 Set colour contrast brightness Tint to normal 6 Confirm the amplitude of waveform Fig 8 1 7 0 5V 7 Set Colour control to maximum and confirm that the colour level is saturated enough 8 Set the TV to Market Mode 9 Adjust Sub NTSC Tint control so that the peak level of waveform is similar to Fig 8 10 Set Tint control to maximum and confirm that the vari able range is more than 30 11 Set Tint control to minimum and confirm that the vari able range is more than 30 12 Apply 4 43MHz NTSC rainbow pattern 13 Connect an oscilloscope to TPE39 R OUT 14 Press S1106 Function colour system SW to NTSC 4 43 15 Set colour contrast brightness Tint to normal 16 Confirm the amplitude of waveform Fig 9 1 4 0 5V 17 Set Colour control to maximum and confirm that the colour level is saturated enough 18 Adjust Sub Tint so that the peak level of waveform is similar to Fig 9 19 Set Tint control to maximum and confirm that the vari able range is more than 30 20 Set Tint control to minimum and confirm that the vari able range is more than 30 21 Press NORMAL button on the remote control transmit ter CHK should disappear from screen DC 0V Fig 7 Sub tint adj mode TINT Fig 8 Fig 9