Sony VPL-FHZ700L, Service Manual

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2-4 (E)
VPL-FHZ700L
2-3-2. V COM Adjustment
1. Enter the service mode. (Refer to Section 2-3-1.)
2. Select the menus in the following order: Device
→ Other → 07 Other/Pattern Enb. Then, set the value
to “1”.
3. Select the menus in the following order: Device → Panel Driver → 04 P.Drv/V Common R, and
adjust using
[&]
and
[*]
the value so that the flicker is minimum.
4. In the same way of step 2, adjust the value for minimal flicker on the menu 05 P.Drv/V Common G
and 06 P.Drv/V Common B.
5. Select the menus in the following order: Device → Save To Memory. Select
[Yes]
, and press the
[ENTER]
button to save.
6. Select the menus in the following order: Installation → Image Flip and set it to either “V” or “HV”.
7. Perform the steps 2 to 5.
8. Select the menus in the following order: Installation
→ Image Flip and set back to “Off”.
2-3-3. White Balance Adjustment
1. Input the XGA 60 Hz 100 % flat field signal to the INPUT A connector and allow the warm-up of 10
minutes aging at a minimum.
2. Enter the Service Mode. (Refer to Section 2-3-1.)
3. Enter the menu: Function
→ ECO → Light Mode and set it to High.
4. Input the 10step computer signal to the INPUT A connector, then perform the virtual check the chro-
maticity of each step.
5. When the chromaticity varies widely, perform the following adjustment “1. INPUT A Color Tempera-
ture: High” to “6. VIDEO IN Color Temperature: Low.
6. Input the 10 step video signal to the VIDEO IN, then perform the virtual check the chromaticity of
each step.
7. Set the Light Mode to Standard, then check the chromaticity.
8. When the chromaticity varies widely, perform the following adjustment “1. INPUT A Color Tempera-
ture: High” to “6. VIDEO IN Color Temperature: Low.
n
Perform the “1. INPUT A Color Temperature: High” to “6. VIDEO IN Color Temperature: Low” adjust-
ments in sequence.
1. INPUT A Color Temperature: High
(1) Enter the service mode. (Refer to Section 2-3-1.)
(2) Select the menus: Device
→ W/B → High.
(3) Input the 80% flat field computer signal to the INPUT A.
(4) Adjust the GAIN R, GAIN B, and GAIN G until the target chromaticity.
Target chromaticity (x, y): 0.284, 0.298
(5) Change the input signal to the 30% flat field computer signal.
(6) Adjust the BIAS R, BIAS B, and BIAS G until the target chromaticity.
Target chromaticity (x, y): 0.284, 0.298
(7) Repeat steps (3) to (6) until the chromaticity (x
?
0.002, y
?
0.002) with reference to the target chromaticity (x,
y).
(8) Select the menus in following order: Device → Memory Save. Select
[YES]
, and press the
[ENTER]
button to save.