Sony HDCU1000, Maintenance Manual

Page: 43 / 334

3-11 (E)
MM/HDCU1000 Series
3. B-Y signal level adjustment
Measuring point : B/B-Y connector/VDA-64C board
Adjusting point :
1
RV503 (F-4)/EN-159B board
Specifications : C = 756
±
5 mV (SET UP : OFF)
(terminated at 75 Z )
C = 700
±
5 mV (SET UP : ON)
(terminated at 75
Z
)
C
3-5-5. Y/R-Y/B-Y Output Level Adjustment
Measure : SD waveform monitor (NTSC)
Note
The GRB output level adjustment (section 3-5-4) should be
completed.
Preparation
.
To be extended : EN-159B board (front side)
. Select ON/OFF using SETUP on page “C07” of the
configuration menu.
.
Select YCD in the OUTPUT FORMAT on page “S03”
of the system operation menu.
Adjustment Procedure
1. Y signal level adjustment
n
Perform this adjustment only when SETUP on page
“C07” of the configuration menu is set to ON.
Measuring point : G/Y connector/VDA-64C board
Adjusting point :
1 RV501 (F-3)/EN-159B board
Specifications : A =714 mV
±
5 mV (terminated at
75
Z
) (100% (Y) color bar)
2. R-Y signal level adjustment
Measuring point : R/R-Y connector/VDA-64C board
Adjusting point :
1 RV502 (F-2)/EN-159B board
Specifications : B = 756
±
5 mV (SET UP : OFF)
(terminated at 75
Z
)
B = 700
±
5 mV (SET UP : ON)
(terminated at 75 Z )
A
B
CDE
F
G
H
J
1 2 3
4 5
S201
RV302
RV301
RV303
RV304
RV305
RV503
RV501
RV502
RV506 RV505
RV504
EN-B
NTSC PA
L
REF IN UN LOCK
SC PHASE
AD
V
DELA
Y
1
1
1
TP201
TP204
TP206 TP203
TP205
TP306 TP307 TP305
TP302
TP303
TP304
TP501
TP503
TP502
TP301 TP207
TP202
EN-159B board (A side and panel side )
A
B