Sony DSC-1024HD, Service Manual

Page: 18 / 71

DSC-1024HD
3-3
Fig. 3.1 Waveform at TP709
0.31
±
0.005 Vpp
Fig. 3.2 Waveform at TP711
0.72
±
0.03Vpp
less than
±
0.01Vpp less than
±
0.01Vpp
TP501 TP503
Adjustments in step 16 and 17
13) Adjust “BLUE DATA” from the PC so that TP710 wave-
form becomes 0.72V ±0.01 Vpp.
14) Set “EXT R-Y” to FF using the PC.
15) Press Alt + S on the PC perform “COLOR SAVE.”
16) Input a NTSC color bar signal (including 75 IRE white).
17) Adjust “COLOR DATA”, “HUE DATA” from the PC so
that TP501 waveform becomes flat.
18) Adjust “EXT B-Y”, “HUE DATA” from the PC so that
TP503 waveform becomes flat.
19) Press Alt + S on the PC perform “COLOR SAVE”.
Set the slide switch on the rear to YBR output.
20) Adjust RV705 so that the amplitude of burst signal at TP709
becomes 0.31 ± 0.005 Vpp. (Fig. 3.1)
21) Connect a vector scope to the composite output, and adjust
RV701, RV704 and RV706 so that a center bright point con-
verges into one point, and R, G, B bright points converge in
the specified frame respectively.
22) Confirm that the waveform at TP711 is 0.70 ± 0.03 Vpp.
(Fig. 3.2)
23) Enter NTSC gray scale signal (100 IRE white must be con-
tained).
24) Adjust RV1301 to make the waveform at TP712 lower than
10 mVpp.
25) Adjust RV1302 to make the waveform at TP710 lower than
10 mVpp.
26) Confirm that the waveform at TP708 is below 20 mVpp (not
including burst signal).
27) If adjustment in steps 22) ~ 26) failed, readjust from 2).
28) Press Alt + C on the PC and perform “YBR V3
→
YBR V2”.
29) Press Alt + S on the PC and perform “COLOR SAVE”.
2. Adjustments in RGB input
1) Input a NTSC gray scale signal (including 100 IRE white) to
VIDEO 3 in RGB.
Set the slide switch on the rear to RGB, AUTO, 75
Ω
term
input, and RGB output.
2) Press Alt + R on the PC and make sure that
“COLOR_NDX” is 9.
3) Set “CONT” to BD using the PC.
4) Adjust “RED DATA” from the PC so that TP712 waveform
becomes 0.72V ±0.01 Vpp.
5) Adjust “BLUE DATA” from the PC so that TP710 wave-
form becomes 0.72V ±0.01 Vpp.
6) Press Alt + S on the PC perform “COLOR SAVE”.
7) Set the slide switch on the rear to YBR output.
8) Make sure that TP712 waveform becomes less than
20 mVpp.
9) Make sure that TP710 waveform becomes less than
20 mVpp.
10) Make sure that TP708 waveform becomes less than
40 mVpp. (excluding BURST)
11) If steps 7 to 10 do not meet the specification, repeat from
step 1.
12) Press Alt + C on the PC and perform “RGB V3
→
RGB V2”.
13) Press Alt + S on the PC and perform “COLOR SAVE”.
3. Adjustments in Y/C (NTSC) input
1) Input a NTSC gray scale signal (including 100 IRE white) to
VIDEO 1 in Y/C.
Set the slide switch on the rear to RGB output.
2) Press Alt + R on the PC and make sure that“COLOR_NDX”
is 0.
3) Press Alt + C on the PC and perform “YBR V3
→
Y/C
(NTSC) V1”.
4) Adjust “SUB CONT” from the PC so that TP711 waveform
becomes 0.72V ±0.01 Vpp.
5) Adjust “RED DATA” from the PC so that TP712 waveform
becomes 0.72V ±0.01 Vpp.
6) Adjust “BLUE DATA” from the PC so that TP710 wave-
form becomes 0.72V ±0.01 Vpp.
Press Alt + S on the PC perform “COLOR SAVE”.
7) Input a NTSC color bar signal (including 75 IRE white) to
VIDEO 1 in Y/C.
8) Adjust “SUB COLOR”, “HUE DATA” from the PC so that
TP503 waveform becomes flat.
9) Press Alt + S on the PC and perform “COLOR SAVE”.
10) Set the slide switch on the rear YBR output.
Input a NTSC gray scale signal (including 100 IRE white) to
VIDEO 1 in Y/C.
11) Make sure that TP712 waveform becomes less than
20 mVpp.
12) Make sure that TP710 waveform becomes less than
20 mVpp.
13) Make sure that TP708 waveform becomes less than
40 mVpp. (excluding BURST)
14) If steps 10 to 13 do not meet the specification, repeat from
step 1.