Video Input Sub Color Adjustment - Panasonic TC-15LT1 Service Manual

TC-15LT1
6.5.2. Input signal
100% color bar signal
6.5.3. Measuring equipment and connection point
Oscilloscope
Y GAIN: TS7(+) - TS10(-)
B-Y: TS8(+) - TS10(-)
R-Y: TS9(+) - TS10(-)
6.5.4. Adjustment method and value
1. Select the main adjustment and then YGAIN.
2. Using [VOL+] and [VOL-] buttons of the remote control unit, adjust the MAX to become D4.
3. Measure the waveform amplitude (from pedestal to white level) at TS7.
* Refer to 6.4.4. for reference waveform.
4. Select the main adjustment and then B-Y.
5. Using [VOL+] and [VOL-] buttons of the remote control unit, adjust the amplitude at TS8 to become identical to the value
measured in 3.
6. Select the main adjustment and then R-Y.
7. Using [VOL+] and [VOL-] buttons of the remote control unit, adjust the amplitude at TS9 to become identical to the value
measured in 3.
6.6.

Video input sub color adjustment

6.6.1. Preparation
Connect S video signal generator to video input (S2) terminal.
Video adjustment
PICTURE ADJUST: NORMAL
PICTURE MENU: DYNAMIC
LCD AI : OFF
Enter into the service adjustment mode.
6.6.2. Input signal
100% color bar signal
6.6.3. Measuring equipment and connection point
Oscilloscope
Y GAIN: TS7(+) - TS10(-)
B-Y: TS8(+) - TS10(-)
R-Y: TS9(+) - TS10(-)
6.6.4. Adjustment method and value
1. Select the main adjustment and then YGAIN.
2. Using [VOL+] and [VOL-] buttons of the remote control unit, adjust the MAX to become D4.
3. Measure the waveform amplitude (from pedestal to white level) at TS7.
* Refer to 6.4.4. for reference waveform.
4. Select the main adjustment and then B-Y.
5. Using [VOL+] and [VOL-] buttons of the remote control unit, adjust the amplitude at TS8 to become identical to the value
measured in 3.
6. Select the main adjustment and then R-Y.
7. Using [VOL+] and [VOL-] buttons of the remote control unit, adjust the amplitude at TS9 to become identical to the value
measured in 3.
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