Sanyo VCC-9400P Service Manual page 7

3-2. ADJUSTMENT
3-2-1. ADJUSTMENT CONDITION
1. Use the 5,100K viewer for the subject.
2. Set the trigger signal of oscilloscope to VIDEO OUT, and
apply H sync unless specified.
3. Connect the video output to a video monitor with an input
impedance of 75 Ω.
4. Ground test point is TP200 (CA-2).
5. Set the distance from the subject to about 60 cm and adjust
the camera position so that the picture frame size becomes
as shown below when performing the adjustment with the
gray scale chart (ITE gray scale chart/ γ = 0.45).
VIDEO OUTPUT
5,100 K viewer
H
(H + h) 2
L = x f – 12.5 mm
H x h
L: Distance from CS mount to pattern (mm)
H: Pattern height (mm)
f : Lens focal length (standard 12 mm)
h: Height (4.8 mm) of CCD imaging surface
Note : The video monitor should be an under-scan TV.
3-2-2. PREPARATION
1. Install the adjustment software (VHJ-0150) in a computer
running the Windows operating system.
2. Use the adjustment commander cable (VHJ-0143) to con-
nect the adjustment commander relay jig (VHJ-0142) and
CN204.
3. Use the adjustment commander relay jig (VHJ-0142) to con-
nect CN204 of side B in the CA-2 board and serial port (RS-
232C) of computer, and then turn on the power for the com-
puter, camera, and the jig.
CCD camera
L
CS mount surface
3-2-3. TABLE FOR SERVICING TOOLS
Ref. No.
J-1 Color viewer
Gray scale chart
J-2
J-3 Color bar chart
J-4
Adjustment commander relay jig
J-5 Calibration software
J-6 Privacy masking chart
J-7
Adjustment commander cable
Note: Adjustment commander relay jig (VHJ-0142) is for 100 V.
Computer screen during adjustment
L5AD Series Adjustment
DAY/NIGHT
COLOR
INT
TRIG
IRIS 1V
IRIS 3V
LENS T
AUTO
TELE
LENS X
LENS Y
TELE
POS1
AGC
POS2
R
B
R GAIN
R HUE
B GAIN
B HUE
WDD
AUTO
ROM CLEAR
START END
3-2-4. Iris Adjustment
Adjustment location: VR202, VR203 (CA-2)
Measuring location: TP221 (CA-2)
Measuring equipment: Digital multi meter
Subject: No designation
Adjusting method:
1. Click the adjustment software installed from the personal
computer, and the adjustment window will be displayed.
2. Click the START.
3. Select the COLOR in the adjustment display.
4. Select the IRIS 1V in the adjustment display.
5. Turn the VR203 so that the voltage of TP221 is 1.0 V ± 0.1 V.
6. Select the IRIS 3V in the adjustment display.
7. Turn the VR202 so that the voltage of TP221 is 3.0 V ± 0.1
V.
– 7 –
Name
Part code
VJ8-0007
VJ8-0010
VJ8-0009
VHJ-0142
VHJ-0150
VHJ-0139
VHJ-0143
B/W AUTO
L-L
0
0
0
0
0
0
0
STATUS
CLOSE
x