Sanyo VCC-6594P Manuel utilisateur
– 2 –
1. DISASSEMBLY
1. Loosen the two screws,
and then remove the left
and right side panels.
2. Remove the rear panel.
3. Remove the two screws,
and then pull out the top cabinet.
4. Remove the two screws, and then remove
the bracket and pull out the bottom cabinet.
5. Remove the front panel.
7. Remove the four screws, and then
disconnect the connector.
8. Remove the five screws, then remove
the CA-2/CA-3 board assemblies and
the FPC, and disconnect the connector.
9. Remove the five screws, and then
remove the lens mount bracket.
10. Remove the two
screws, and then
remove the CA-1
board assembly.
CA-3
board
CA-4 board
CA-2 board
CA-1 board
6. Remove the connector.
–3 –
2. BOARD LOCATION
CA-2 board
CA-4 board
CA-3 board
CA-1 board
TP401
S3002
ON
S3001
CA-1 board (Side B)
CA-3 board (Side A)
CA-4 board (Side B)
TP103
TP403
VR403
VR302VR303
VR301
DC
VIDEO
CT232
TP232
CA-2 board (Side B)
CT221
TP221
VR402
(Side A)
–4 –
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
–5 –
3-9. Hue and Chroma Adjustment
Adjustment location: S3002-8 (CA-3), computer screen
Measuring location: VIDEO OUT
Measuring equipment: Oscilloscope, Vectorscope
Subject: Color bar chart
1. Display the grayscale chart on full screen.
2. Gradually move the lens aperture from the CLOSE to OPEN
side, and secure the aperture at the point where the AGC
starts to drop from the MAX setting.
3. Shield light with a lens cap, and then remove it.
4. Use the computer’s mouse to adjust each of the R GAIN, B
GAIN, R HUE and B HUE until the luminescent spot repre-
senting red is aligned with the [R] position on the vectorscope
and the luminescent spot representing yellow is aligned with
the [YL] position on the vectorscope.
5. Set the S3002 (white balance switch) to the “ATW”(OFF)
position.
3-6. 28 MHz VCO Voltage ADJUSTMENT
Adjustment location: CT232 (CA-2)
Measuring location: TP232 (CA-2)
Measuring equipment: Digital voltmeter
Subject: No designation
Adjusting method:
1. Adjust with CT232 to 8.0 ±0.2 Vp-p.
3-7. AGC Level ADJUSTMENT
Adjustment location: Computer screen
Measuring location: VIDEO OUT
Measuring equipment: Oscilloscope
Subject: Gray scale chart
Adjusting method:
1. Click the adjustment software installed from the personal
computer, and the adjustment window will be displayed.
2. Display the grayscale chart on full screen.
3. Gradually move the lens aperture from the CLOSE side to
the OPEN side, and secure the aperture at the point where
the AGC starts to drop from the MAX setting.
4. Use the computer’s mouse to adjust the AGC in the adjust-
ment window so that the video out terminal is 750 ±10 mVp-p.
3-8. White Balance Adjustment
Adjustment location: S3002-8, VR302, VR303 (CA-3)
Measuring location: VIDEO OUT
Measuring equipment: Oscilloscope, Vectorscope
Subject: Color bar chart
Adjusting method:
1. Set the S3002 (white balance swtich) to the “MANU”(ON)
position.
2. Display the grayscale chart on full screen.
3. Gradually move the lens aperture from the CLOSE side to
the OPEN side, and secure the aperture at the point where
the AGC starts to drop from the MAX setting.
4. Adjust VR302 and VR303 so that the luminescent spot rep-
resenting white is overlapping with the crosshair mark in
the center of the vectorscope.
VIDEO OUTPUT
10
45 µsec
45 µsec
R
YL
MG
Cy
G
B
75%
100%
cy
g
yl
mg
b
U
v
W
–6 –
750 ±10 mVp-p
3-12. CCD White Point Defect Detect Adjustment
Measuring location: VIDEO OUT
Measuring equipment: Monitor display
Adjustment method:
1. Shield light with a lens cap to provide dark condition.
2. Set the camera mode, and click the “AUTO”at the WDD on
the adjustment software.
3. After completing this adjustment, it comfirms that white point
can not be seen on the monitor display.
4. Click the End button.
VIDEO OUTPUT
3-10. Iris Level Adjustment
Adjustment location: S3001, VR301 (CA-3)
Measuring location: VIDEO OUT
Measuring equipment: Oscilloscope
Subject: Gray scale chart
Adjusting method:
1. Set S3001 to the DC type lens side.
2. Attach the DC type automatic iris lens. (Use a VCL-CS8LY
or equivalent as the lens).
3. Display the gray scale chart on full screen.
4. Turn the VR301 to the right so that the white level is maxi-
mum.
5. Turn the VR301 to the left so that the output level is 750 ±
10 mVp-p.
3-11. Line Phase Adjustment
Adjustment location: S3002-9 (CA-3), VR402 (CA-4)
Measuring location: VIDEO OUT, 24 V AC/GND terminals
Measuring equipment: Oscilloscope
Subject: Attach the lens cap
Adjusting method:
1. Connect the camera to a 24 V AC /50 Hz power source.
2. Set S3002-9 switch to the “L-L”(ON) position.
3. The HOT (signal) side and the COLD (GND) side of the
oscilloscope probe connect to the right side and the left side
of the 24 VAC terminals respectively. (rear view)
4. Turn VR402 (LINE PHASE) to adjust the leading edge of
the vertical sync signal and zero-cross shift of the AC 24 V
power supply to 0 ±0.2 msec.
5. Set S3002-9 to the “INT”(OFF) position before shipment.
R
YL
MG
Cy
G
B
75%
100%
cy
g
yl
mg
b
U
v
YL R
W
24 V AC
TP123
zero cross
point
0 0.2 msec.
VIDEO OUT
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