Sub Color And Sub Hue Adjustment; Rf Sub Contrast Adjustment; Rf Sub Color And Sub Hue Adjustment - Sony KDP-57XBR2 Service Manual

4-16. SUB COLOR AND SUB HUE
ADJUSTMENT
1. Receive the 100 % color bar (1080i, component) signal with
VIDEO 5 input, and set PICTURE to maximum.
2. Connect the oscilloscope between CN3009 7 pin (B) on the
A board and ground.
3. Set in the service mode and select the category "2150P-4".
4. Adjust "1 SCOL" and "2 SHUE" so that the waveform levels
are VB1 = VB4 and VB2 = VB3.
5. After adjustment finished, press "[MUTING]" + "[ENTER]"
buttons on the commander to write the data to the NVM.
6. Receive the 100 % color bar (1080i, DTV) signal.
7. Adjust "1 SCOL" and "2 SHUE" so that the waveform levels
are VB1 = VB4 and VB2 = VB3.
8. After adjustment finished, press "[MUTING]" + "[ENTER]"
buttons on the commander to write the data to the NVM.
VB1 VB2
29.63 µs
Fig. 4-16

4-17. RF SUB CONTRAST ADJUSTMENT

1. Press " (TWIN)" button on the commander to set the
TWIN mode, and set PICTURE to maximum, COLOR to
minimum.
2. Receive the 75 % color bar (RF) signal on both side.
3. Connect the oscilloscope between CN3009 6 pin (G) on the
A board and ground.
4. Set in the service mode and select the category "MID1".
Select the item "21 BCOL" and set the data to "1".
5. Select the category "2103-1".
6. Adjust "2 SCON" so that the left side waveform level is
1.59 ±0.05 Vp-p.
7. Select the category "2103-2".
8. Adjust "2 SCON" so that the right side waveform level is
1.59 ±0.05 Vp-p.
9. After adjustment finished, press "[MUTING]" + "[ENTER]"
buttons on the commander to write the data to the NVM.
29.63 µs
Fig. 4-17
VB3 VB4
1.59 ±0.05 Vp-p
4-18. RF SUB COLOR AND SUB HUE
ADJUSTMENT
1. Press " (TWIN)" button on the commander to set the
TWIN mode, and set PICTURE to maximum.
2. Receive the 75 % color bar (RF) signal on both side.
3. Connect the oscilloscope between CN3009 7 pin (B) on the
A board and ground.
4. Set in the service mode and select the category "MID1".
Select the item "21 BCOL" and set the data to "1".
5. Select the category "2103-1".
6. Adjust "3 SCOL" and "4 SHUE" so that the left side wave-
form levels are VB1 = VB4 and VB2 = VB3.
7. Select the category "2103-2".
8. Adjust "3 SCOL" and "4 SHUE" so that the right side wave-
form levels are VB5 = VB8 and VB6 = VB7.
9. After adjustment finished, press "[MUTING]" + "[ENTER]"
buttons on the commander to write the data to the NVM.
VB2
VB3
VB1
– 50 –
KDP-57XBR2/65XBR2
K
VB4 VB8
VB6
VB7
VB5
29.63 µs
Fig. 4-18
RM-Y185