– 49 –
KDP-57XBR2/65XBR2
K
RM-Y185
4-14. BLUE OFFSET ADJUSTMENT
1. Receive the all black (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 “2150D-2”.
4. Adjust “3 SLIN” so that the waveform level is 2.20
±
0.05 Vp-p.
5. After adjustment finished, press “
[MUTING]
” + “
[ENTER]
”
buttons on the commander to write the data to the NVM.
6. Receive the RF signal and change the wide mode to “Wide Zoom”.
Copy the same data to “3 SLIN”.
4-15. SUB CONTRAST ADJUSTMENT
1. Receive the 1/25 window (1080i, component) signal with
VIDEO 5 input, and set PICTURE to maximum.
2. Connect the oscilloscope between CN3009
6
pin (G) on the
A board and ground.
3. Set in the service mode and select the category “2150P-4”.
4. Adjust “0 SCON” so that the waveform level is 2.30
±
0.05 Vp-p.
5. After adjustment finished, press “
[MUTING]
” + “
[ENTER]
”
buttons on the commander to write the data to the NVM.
6. Receive the 1/25 window (1080i, DTV) signal.
7. Adjust “0 SCON” so that the waveform level is 2.30
±
0.05 Vp-p.
8. After adjustment finished, press “
[MUTING]
” + “
[ENTER]
”
buttons on the commander to write the data to the NVM.
GND
Reference Pulse
2.20
±
0.05 Vp-p
16.7 ms
2.30
±
0.05 Vp-p
29.63
µ
s
Fig. 4-14
Fig. 4-15
4-12. MAIN DECODER PB AND PR OFFSET
ADJUSTMENT
1. Receive the all white (480i, 7.5% setup, composite) signal with
VIDEO 1 input. (White to Black Level : 714
±
10 mVp-p)
2. Connect the oscilloscope between CN005
<
A
h
pin (V_DRCI_PB),
<
A
j
pin (V_DRCI_PR) on the B board and ground.
3. Set in the service mode and select the category “2103-1”.
4. Adjust “20 CBOF” and “21 CROF” so that the waveform
level is 0.000
±
0.003 Vp-p.
5. After adjustment finished, press “
[MUTING]
” + “
[ENTER]
”
buttons on the commander to write the data to the NVM.
6. Turn the all white (480i, 0% setup, component) signal with
VIDEO 5 input.
(White to Black Y : Level : 714
±
10 mVp-p, Pb,Pr : 0 Vp-p)
7. Adjust “20 CBOF” and “21 CROF” so that the waveform
level is 0.000
±
0.003 Vp-p.
8. After adjustment finished, press “
[MUTING]
” + “
[ENTER]
”
buttons on the commander to write the data to the NVM.
4-13. SUB DECODER PB AND PR OFFSET
ADJUSTMENT
1. Receive the all white (480i, 7.5% setup, composite) signal with
VIDEO 1 input. (White to Black Level : 714
±
10 mVp-p)
2. Connect the oscilloscope between CN005
<
A
s
pin (V_MIDI_PB),
<
A
d
pin (V_MIDI_PR) on the B board and ground.
3. Set in the service mode and select the category “2103-2”.
4. Adjust “20 CBOF” and “21 CROF” so that the waveform
level is 0.000
±
0.003 Vp-p.
5. After adjustment finished, press “
[MUTING]
” + “
[ENTER]
”
buttons on the commander to write the data to the NVM.
0.000
±
0.003 Vp-p
H sync
PB,PR
63.5
µ
s
0.000
±
0.003 Vp-p
H sync
PB,PR
63.5
µ
s
Fig. 4-12
Fig. 4-13
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