Sanyo VCC-6594P, Руководство по обслуживанию

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3-3. TABLE FOR SERVICING TOOLS
Connect the adjustment jig and camera with commander cable
(VHJ-0126)
3-3-1. Computer screen during adjustment
3-4. Power Voltage Adjustment
Adjustment location: VR403 (CA-4)
Measuring location: TP403 (CA-4)
Measuring equipment: Digital voltmeter
Subject: No designation
Adjusting method:
1. Adjust with VR403 to 3.42
±
0.02 V.
3-5. Sub Carrier Frequency Adjustment
Adjustment location: CT221 (CA-2)
Measuring location: TP221 (CA-2)
Measuring equipment: Frequency counter
Subject: No designation
Adjusting method:
1. Adjust with CT221 to 4433619 Hz
±
10 Hz.
3. ADJUSTMENT
3-1. 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. Set S3002 to the “all OFF” position and S3001 to the “DC”
position.
4. In adjustments without direction to display charts, shield light
with a lens cap to provide dark condition. The amount of
light is to be stable.
5. Connect the video output to a video monitor with an input
impedance of 75
Ω
.
6. Ground test point are TP103 (CA-1) and TP401 (CA-4).
7. 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).
8. Apply 24 V AC to the 24 V AC terminal on the camera.
3-2. PREPARATION
1. Install the adjustment software (VHJ-0133) in a computer
running the Windows operating system.
2. Use the adjustment tool (VHJ-0127) to connect the camera
to be adjusted to the serial port of the computer, and then
turn on the power for the computer and the camera.
VIDEO OUTPUT
Commander cable (VHJ-0126)
Ref. No. Name Part code
J-1
J-2
J-3
VJ8-0007
VJ8-0009
Color viewer
Gray scale chart
Color bar chart
VJ8-0010
AGC
R GAIN
R HUE
B GAIN
B HUE
WDD
L53H Series Adjustment
x
0
0
0
0
0
AUTO
STATUS
START
END
CLOSE
ROM CORRECTION
FILE NAME
J-4
J-5
J-6
VHJ-0126
VHJ-0133
Commander cable
Adjustment jig
Calibration software
VHJ-0127
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.
L = x f – 12.5 mm
(H + h) 2
H x h
L
CS mount surface
CCD camera
5,100 K viewer
H