4-6 (E)
BVP-570
4-2. VCO CONT Frequency Confirmation
Note:
.
Warm up the camera for about 10 minutes before
performing this confirmation.
Preparation:
.
RGB/ENC switch (on the side panel)
→
ENC
Equipment
: Frequency counter, Video signal
generator
Test Point
: TEST OUT connector
Specifications
: 3,579,545
±
10 Hz (for NTSC)
4,433,168
±
5 Hz (for PAL)
If the specification is not satisfied, perform the following
adjustment.
Adjustment Procedures:
1.
Set the DISP switch (on the side panel) from OFF to
MENU while holding down the MENU SEL switch
(on the front panel).
2.
Set the menu as follows and adjust the frequency by
using the MENU SEL switch.
MENU
: System config
PAGE
: Y/Chroma (S2)
ITEM
: SC FREQ.
Specifications
: 3,579,545
±
10 Hz (for NTSC)
4,433,168
±
5 Hz (for PAL)
File Store:
Execute the OHB file store. Press the MENU SEL switch
twice to execute.
MENU
: Trimming File
PAGE
: OHB File (T2)
ITEM
: File Store
4-3. VA Gain Adjustment
Equipment
: Oscilloscope, Waveform monitor
Object
: Grayscale chart
Preparations:
.
WHITE BAL switch (on the side panel)
→
PRST
.
GAIN switch (on the side panel)
→
L (0 dB)
.
RGB/ENC switch (on the side panel)
→
ENC
.
Extend VA-163A board with EX-464 board.
Iris of lens
: F7.0 or more
Adjustment Procedures:
1.
Set the DISP switch (on the side panel) from OFF to
MENU while holding down the MENU SEL switch
(on the front panel).
2.
Set the menu as follows.
MENU
: Paint
PAGE
: W.Clip/Knee (P6)
ITEM
: Knee
→
Off
3.
Close the lens iris.
4.
Execute the level auto setup.
Press the MENU SEL switch to execute.
MENU
: Operation
PAGE
: Auto Setup
ITEM
: Auto Level
5.
Confirm the black level is 3 IRE for NTSC and 21 mV
for PAL at the TEST OUT connector.
If the black level is out of specs, carry out “4-6. Master
Black Adjustment”.
6.
Test Point
: TP72 (GND:TP71)/extension board
(extending VA-163A)
Iris of the lens
: A = 125 mV (at F7.0 or more)
(Oscilloscope)
4-2. VCO CONT Frequency Confirmation
4-3. VA Gain Adjustment
TEST
OUT
SC
OUT
DC IN
Video signal
generator
GENLOCK
IN
Frequency
counter
AC ADAPTOR
AC-550/550CE
10
u
S
50m
B
W
L
A
Summary of Contents for BVP-570
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Page 205: ...8 9 BVP 570 8 9 ...
Page 208: ......
Page 214: ...9 6 BVP 570 9 6 2 3 4 5 A B C D E F G H 1 AT 126 1 2 AT 126 1 2 ...
Page 221: ...9 13 BVP 570 9 13 2 3 4 5 1 I J K L M N O P ...
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Page 244: ...10 2 BVP 570 10 2 ...
Page 246: ...10 4 BVP 570 10 4 ...
Page 248: ...10 6 BVP 570 10 6 ...
Page 250: ...10 8 BVP 570 10 8 ...
Page 254: ...10 12 BVP 570 10 12 ...
Page 256: ...10 14 BVP 570 10 14 ...
Page 258: ...10 16 BVP 570 10 16 ...
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Page 263: ...COLOR VIDEO CAMERA BVP 570 MAINTENANCE MANUAL 1st Edition Serial No 15001 and Higher ...
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