TCL L22E75BK, Service Manual

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22 ″ LCD TV TCL L22E75BK
6. White Balance, Luminance Adjustment
Approximately 30 minutes should be allowed for warm up before proceeding white balance adjustment .
Before started adjust white balance ,please setting the Chroma-7120 MEM.
Please select channel 07 to adjust the white balance.
Color Temp. Cold Normal Warm
PC MODE
x 283
N/A
313
y 297
N/A
329
Y 168
N/A
168
AV MODE
x
N/A
293
N/A
y
N/A
304
N/A
Y
N/A
168
N/A
HDMI
x 283
N/A
313
y 297
N/A
329
Y 168
N/A
168
How to setting MEM. channel you can reference to Chroma-7120 user guide or simple use “ SC ” key and “ NEXT ”
key to modify x,y,Y value and use “ ID ” key to modify the TEXT description
Following is the procedure to do white-balance adjust
Press Number key 100
à
9
à
9
à
9 will into the factory mode.
PC mode:
(A). Adjust 6500K color-temperature:
1. Switch the chroma-7120 to RGB-mode (with press “MODE” button)
2. Switch the MEM. channel to Channel 03 (with up or down arrow on chroma-7120)
3. The LCD-indicator on chroma-7120 will show x =313, y =329, Y>168cd/m2
4. Adjust the 4 item: RG, until chroma 7120 indicator reached the value R=100
5. Adjust the 5 item: GG, until chroma-7120 indicator reached the value G=100
6. Adjust the 6 item: BG, until chroma-7120 indicator reached the value B=100
7. Repeat above procedure until chroma-7120 RGB value meet the tolerance =100±2
8. Switch the chroma-7120 to x, y, Y mode With press “MODE” button to check the color temp is in SPEC. or not.
9. Enter the 8 item to select another color temperature to adjust.
(B). Adjust 9300K color-temperature:
1. Switch the chroma-7120 to RGB-mode (with press “MODE” button)
2. Switch the MEM. channel to Channel 03 (with up or down arrow on chroma-7120)
3. The LCD-indicator on chroma-7120 will show x =283, y =297, Y>168cd/m2
4. Adjust the 4 item: RG, until chroma 7120 indicator reached the value R=100
5. Adjust the 5 item: GG, until chroma-7120 indicator reached the value G=100
6. Adjust the 6 item: BG, until chroma-7120 indicator reached the value B=100
7. Repeat above procedure until chroma-7120 RGB value meet the tolerance =100±2
8. Switch the chroma-7120 to x, y, Y mode with press “MODE” button to check the color temp is in SPEC. or not.
9. Enter the 8 item to select another color temperature to adjust.
AV mode:
Adjust 7800K color-temperature:
1. Switch the chroma-7120 to RGB-mode (with press “MODE” button)
2. Switch the MEM. channel to Channel 03 (with up or down arrow on chroma-7120)
3. The LCD-indicator on chroma-7120 will show x =293, y =304, Y>168cd/m2
4. Adjust the 4 item: RG, until chroma 7120 indicator reached the value R=100
5. Adjust the 5 item: GG, until chroma-7120 indicator reached the value G=100
6. Adjust the 6 item: BG, until chroma-7120 indicator reached the value B=100
7. Repeat above procedure until chroma-7120 RGB value meet the tolerance =100±2
8. Switch the chroma-7120 to x, y, Y mode with press “MODE” button to check the color temp is in SPEC. or not.
9. Enter the 8 item to select another color temperature to adjust.
Note: In this Mode, we should check the black balance, which level is 26% of the white level(1.0Vpp).
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