Sony BVP-550, Maintenance Manual, Page: 279 / 924

4-5 (E)
BVP-550
VA
TEST
R GAIN
R
G GAIN
R
B
B GAIN
1 2 3 4
F
G
E
D
B
C
A
VA-163 BOARD (A SIDE)
CT200
RV200
CT300
CT400
RV400
RV300
6.
Test Point
: TP72 (GND:TP71)/extension board
(extending VA-163)
Iris of the lens : A = 125 mV (at F7.0 or more)
(Oscilloscope)
7. Set the RGB/ENC switch (on the side panel) to RGB.
Set the R/G/B switch (on the side panel) to G.
8. Adjust the VA gain for G.
Test Point : TEST OUT connector
Adjustment Point
:
1
RV300 (G GAIN)/VA-163
panel
Specifications : The levels A and B are shall be
equal when the test waveform is
switched between 2 and off.
Menu Setting:
MENU : Paint
PAGE : Knee/W.Clip (P6)
ITEM : Test
(Waveform Monitor)
9. Set the menu as follows.
MENU : Paint
PAGE : Knee/W.Clip (P6)
ITEM : Test
→
Off
10. Select the 15 lines in the center of monitor screen C by
using the 15 LINE SELECT on the waveform monitor.
11. Put the waveform monitor into the CHROMA mode.
12. Set the RGB/ENC switch (on the side panel) to ENC.
13. Test Point : TEST OUT connector
Adjustment Point
:
1
RV200 (R GAIN)/VA-163
panel
1
RV400 (B GAIN)/VA-163
panel
Specifications : Carrier leakage D = Minimum
4-2. Adjustment for Installation of OHB
4-2-2. VA Gain Adjustment
C
(Waveform Monitor)