Sony FWD-40LX1, Service Manual

Page: 39 / 144

2-13
FWD-40LX1
3. Start the service mode, select “Picture Mode” and then
“User1” by “Adjust Picture”, and set the items below.
n
After adjustment is completed, write down the setting
value before change so as to return the setting value of
“User1” to the former value.
Chroma: 50
Phase: 50
Noise Reduct.: Off
Dynamic Picture: Off
Color Correct: Off
Gamma Correct: Mid
4. Select “AD Calibration”, “NTSC/PAL”, “Component
Cal.”, and then “Manual Control” in a service mode
menu.
5. Select “Adjust Y Contrast”. (Adjust the contrast.)
6. Move a slider and adjust so that the “R”, “G”, and “B”
values displayed on the right of the slider are nearer
“2700“ as far as possible.
7. Select “Adjust C Level”. (Adjust the color.)
8. Move a slider and adjust so that the “R” and “G”
values displayed on the right of the slider are nearer
“0” and so that the “B” value displayed on the right is
nearer “2700“ as far as possible.
n
During factory setting, “Target Y Cont.” and “Target
Color” are adjusted by “2700“.
9. Select “AD Service Save” in the hierarchy of “AD
Calibration” and press the
[OK]
key.
The adjustment value is saved.
n
Save an adjustment value here. Notice that the
adjustment value is not saved even if adjustment is
completed.
Component adjustment of OPTION1
10. Confirm that BKM-FW11 is installed in an OPTION1
slot.
11. Select the component signal of OPTION1 by input
switching.
12. Input a 75% color-bar signal to the component input
signal, selected in step 11, in a 720/60P format and
display the screen.
13. Execute steps 3 to 9.
Component adjustment of OPTION2
14. Confirm that BKM-FW11 is installed in an OPTION2
slot.
15. Select the component signal of OPTION2 by input
switching.
16. Input a 75% color-bar signal to the component input
signal, selected in step 15, in a 720/60P format and
display the screen.
17. Execute steps 3 to 9.
18. After adjustment is completed, return the setting value
of “Adjust Picture” to the former value (value written
down in steps 3, 13, and 17) and exit the menu.
(3) Automatic adjustment (Scaler)
Color-bar signal containing white and black zones
n
A 100% color-bar signal is an output signal having the
level below.
For RGB: RGB peak voltages are 0.7 V, respectively.
For YUV: Y peak voltage 1 V
UV peak voltage 0.7 V
Component adjustment of INPUT2 terminal
1. Select the component signal of INPUT2 by input
switching.
2. Input a 100% color-bar signal to the component input
signal, selected in step 1, in a 720/60P format (not
requiring a separate sync signal) and display the
screen.