Panasonic TC-L39EM6X Service Manual page 7

(4) Adjustment instruction
At any input source then press the "←", "EXIT" and "OK" (using RC within 1 sec) to enter factory mode
During Factory menu, if "EXIT" key is pushed, system will exit factory mode.
4-1. Auto Gamma Adjustment & Check
4-2.1. Set into factory mode then choose Auto Gamma Adjust,
4-2.2. Press "2" "3" "2" "4" in turn within 1sec to enter the item, and push Init will self-generate gray pattern
for adjusting.
4-2.3. Following the Cool spec as bellow.
Color
x
y
Adjust
Tolerance
(1) Adjust 100IRE
First, Decrease G to meet y spec(0.2667).
Second, Decrease R to meet x spec(0.2662).
(2) Adjust 50IRE
First, Decrease G to meet y spec(0.2654).
Second, Decrease R to meet x spec(0.2658).
Note: Do not adjust the B GAIN on both 100IRE and 50IRE.
When match the spec, pressing "Save" then exit the adjustment page.
(3) When match the spec, pressing right key in "Save" position then exit the adjustment page.
4-2.4. Exit Factory Mode:
After finish Gamma adjust press [EXIT] to exit factory mode.
Cool
100IRE 0.2662
50IRE 0.2658
100IRE 0.2667
50IRE 0.2654
±0.005
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