Electrical Alignment - Sony BVF-V20W Maintenance Manual

Electronic viewfinder
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Section 2
Electrical Alignment
2-1.
Electrical Adjustment Using a
Camcorder
2-1-1.
Notes on Adjustment
1,
When performing adjustment, read throughly the
following comments.
The calibration of all measuring equipment should be
compicted,
Peripheral equipment (camera, and others) alignment
should be completed.
"2-1-4, Settings for adjustment" should be completed.
Tum off the power before extending the plug-in board
using the extension board.
There is a danger of an electric shock around the CRT due
to high voltage. Therefore, do not touch the CRT.
Be very careful when service in a live.
2.
Change the Picture Frame mode (4:3/16:9)
+ When the unit is put into the 16:9 mode, set as follows.
Setting menu
PAGE
; WIDE SCREEN
ITEM
9/4:3 MODE = 16:9
* When the unit is put into the 4:3 mode, set as follows.
Setting menu
PAGE
: WIDE SCREEN
ITEM:
16:9/4:3 MODE = 4:3
2-1-2.
Equipment/Fixtures
+ Camcorder
DVW-700WS/700WSP
or DNW-90WS/90WSP
+ AC adaptor
AC-550/550CE or equivalent
+ Oscilloscope
Tektronix 2465B or equivalent
+ Waveform monitor
Tektronix 1750/1751 or equivalent
+ B/W monitor
+ Digital voitmeter
Advantest TR6845 or equivalent
+ Frequency counter
Advantest TR5821AK or equivalent
BVF-V20WIv20WCE
Fixtures
Sony P/N
Pattern box "PTB-500"
J46026-140-B
Resolution chart (4:3)
4J-6026-100-A
Resolution chart (16:9)
J46394-320-A
VF extension hamess
J-6395-050-A
2-1-3. Connections
VE
AC ADAPTOR
BVF-V20W
AC-S50/550CE
BVF-V20WCE
F
LJ
PATTERN
BOX
CAMCORDER
DVW-700WS/700WSP
750
2-1-4.
Settings for Adjustment
Before adjustment, set switches as follows. If the setting of
the GAIN switch is changed from the factory-set value,
reset it to its original value, reset it to its original value by
referring to the operation manual.
[External]
Side panel:
VTR SAVE/STBY switch
— STBY
GAIN switch
> L(0dB)
OUTPUT/DCC switch
— CAM/OFF
WHITE BAL switch
— PRST
MENU/ON/OFF/PAGE switch
= — OFF
Front panel:
SHUTTER switch
— OFF
FILTER selector
> 1,B
{Lens]
LENS
~> MANU
IRIS
~» C (CLOSE)
(To be continued)
2-4 (E)

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