Sony DXC-390, Service Manual, Page: 51 / 110

4-3 (E)
DXC390/390P
..... VBS OUT Adjustment
Adjustment Procedure
.
Adjust Adj72 and Adj73 so that
the chroma level becomes the
specification D.
.
Adjust Adj74 so that the burst
level becomes the specification E.
.
Adjust Adj75 so that the set up
level becomes the specification F.
.
Adjust Adj76 so that the Y level
becomes the specification G.
.
Adjust Adj77 so that the SYNC
level becomes the specification H.
Specification
: D : Adjust each color spot within
the frame on a vectorscope.
E = 40 IRE
±
1 IRE (NTSC)
300 mV
±
7 mV (PAL)
F = 0 IRE (NTSC)
0 mV (PAL)
G = 75 IRE
±
1 IRE (NTSC)
700 mV
±
7 mV (PAL)
H = 40 IRE
±
1 IRE (NTSC)
300 mV
±
7 mV (PAL)
4-2-3. CCD OUT Adjustment
Equipment:
Waveform monitor and vectorscope
Adjustment Procedure
1. Press the BARS button, the built-in color bars will be
OFF.
2. Shut the lens iris.
3. Turn the S102 switch on the SG-265 board to the OPE
side (up side).
. Pedestal Adjustment
4. Press the BLACK button ( R ).
5. Confirm the specification A.
Specification :
A : Confirm that BLACK OK is displayed.
. Pre-white Balance Adjustment
6. Shoot the grayscale chart, adjust the VBS OUT level
by the lens iris to approximately 80 % level.
7. Turn the S102 switch on the SG-265 board to the ADJ
side (down side).
8. Press the MENU button to show the DSP ADJ display.
9. Make settings the DSP Adj549 to the data01.
10. Turn the S102 switch on the SG-265 board to the OPE
side (up side).
11. Press the WHITE button ( t ).
12. Confirm the specification B.
Specification :
B : Confirm that PRE WB OK is
displayed.
13. Turn the S102 switch on the SG-265 board to the ADJ
side (down side).
14. Return the DSP Adj549 to the data00.
15. Press the MENU button to show the ADJ display.
. Target Color Setting
16. Make settings the Adj98 data to 004.
17. Make settings the Adj99 data to 002.
18. Make settings the Adj100 data to 024.
19. Turn the S102 switch on the SG-265 board to the OPE
side (up side).
G
E
F
H
DXC-390
G
E
F
H
DXC-390P