Sony VPL-F401H, Service Manual

Page: 53 / 176

2-3 (E)
VPL-FH31/F401H
2-3. Preparation for Electrical Adjustment
2-3-1. Required Equipment
.
NTSC, PAL, SECAM component signal generator:
Tektronix TG2000
+
AVG1 (option module)
+
AWVG1 (option module) or equivalent
.
VG (programmable video signal generator):
ASTRODESIGN VG-828 or equivalent
.
Chroma meter:
KONICA MINOLTA CL-200 or equivalent
n
Allow the warm-up time of 5 minutes after the power is on before starting the V com and White balance
adjustments.
2-3-2. How to Enter the Service Mode
1. Press the
[MENU]
key.
The menu appears.
2. Set the Status to “On” in the Operation menu.
3. Press
the
[MENU]
key to close the MENU.
4. Press the keys in the following order:
[ENTER]
→
[ENTER]
→
[&]
→
[ENTER]
The message “Do you want to enter the Service Mode?
[Yes] [No]
” appears.
Select
[Yes]
and press the
[ENTER]
key.
How to exit the service mode
Perform the key operations in accordance with step 4.
The message “Do you want to return to the User Mode?
[Yes] [No]
” appears.
Select
[Yes]
and press the
[ENTER]
key.
2-4. V COM Adjustment
1. Enter the service mode. (Refer to Section 2-3-2.)
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 fl icker is minimum.
4. In the same way of step 2, adjust the value for minimal fl icker 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]
key 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”.