Sony TRINITRON PVM-8020 Service Manual page 22

PVM-8020 PVM-8020
VF-501 VF-501
ENTS
TMENT |
10scope pattern signal.
0%
0%
ZE (L804) to obtain a suitable picture.
V. CENT ADJUSTMENT
Input a monoscope pattern signal.
PICTURE 80%
BRT 50%
Adjust with RV804 so that picture is cetered.
V. SIZE ADJUSTMENT
Input a monoscope pattern signal.
PICTURE 80%
BRT 50%
Set the V.SIZE (RV803) to obtain a suitable picture.
'Ny
UNDER-SCAN V.SIZE ADJUSTMENT
Input a monoscope pattern signal.
PICTURE 80%
BRT 50%
SCAN. UNDER
Adjust UN V.SIZE (RV802) so that the monoscope
pattern of H.SIZE and V.SIZE is 4:3.
N
monoscope pattern
V LIN ADJUSTMENT
Input a monoscope pattern signal.
PICTURE 80%
BRT 50%
Set the V.LIN (RV808} to obtain a suitable picture.
H.FREQ ADJUSTMENT
Input @ monoscope pattern signal.
PICTURE 80%
BRT 50%
V/7> 1 ieSS
fo low fo correct fo high
WN
'er |
| H BLANKING ADJUSTMENT
J | :
! PICTURE 80%
BRT 50%
SCAN UNDER
be : ; : a : 2. Adjust VIDEO PHASE (RV801) and H.BLK WIDTH
(RV806) to be A=B, as shown in the figure.
Input a monoscope pattern signal.
monoscope pattern
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