Sony VPL-FHZ700L Service Manual page 76

5. VIDEO IN Color Temperature: Middle
(1) Select the menus in service mode: Device → W/B → Middle.
(2) Copy the adjusted values of GAIN R/B/G and BIAS R/B/G in "2. INPUT A Color Temperature:
Middle" to each item.
(3) Input the 10 step video signal to the VIDEO IN, then perform the virtual check the chromaticity of
each step.
(4) When the chromaticity varies widely, perform the adjustment below. If not, proceed to next item.
(5) Change the input signal to the 80% flat field video signal.
(6) Adjust the GAIN R, GAIN G, and GAIN B until the target chromaticity.
Target chromaticity (x, y): 0.294, 0.310
(7) Change the input signal to the 30% flat field video signal.
(8) Adjust the BIAS R, BIAS G, and BIAS B until the target chromaticity.
Target chromaticity (x, y): 0.294, 0.310
(9) Repeat steps (5) to (8) until the chromaticity (x ?0.002, y ?0.002) with reference to the target chro-
maticity (x, y).
(10) Select the menus in following order: Device → Memory Save. Select [YES], and press the [ENTER]
button to save.
6. VIDEO IN Color Temperature: Low
(1) Select the menus in service mode: Device → W/B → Low.
(2) Copy the adjusted values of GAIN R/B/G and BIAS R/B/G in "3. INPUT A Color Temperature: Low"
to each item.
(3) Input the 10step video signal to the VIDEO IN, then perform the virtual check the chromaticity of
each step.
(4) When the chromaticity varies widely, perform the adjustment below. If not, finish the adjustment.
(5) Change the input signal to the 80% flat field video signal.
(6) Adjust the GAIN R, GAIN G, and GAIN B until the target chromaticity.
Target chromaticity (x, y): 0.313, 0.329
(7) Change the input signal to the 30% flat field video signal.
(8) Adjust the BIAS R, BIAS G, and BIAS B until the target chromaticity.
Target chromaticity (x, y): 0.313, 0.329
(9) Repeat steps (5) to (8) until the chromaticity (x ?0.002, y ?0.002) with reference to the target chro-
maticity (x, y).
(10) Select the menus in following order: Device → Memory Save. Select [YES], and press the [ENTER]
button to save.
2-6 (E)
VPL-FHZ700L