Panasonic WV-CL920A / WV-CL924AE Service Manual ▷ View online
1. Test Equipment Required
The following Test Equipments are required for Adjust-
ment of the Colour CCTV Cameras.
ment of the Colour CCTV Cameras.
8
Oscilloscope
8
Frequency Counter
8
Vectorscope
8
Underscanned Colour Video Monitor
8
Video Signal Generator
8
12 V DC / 24V AC Power Supply Unit
8
Personal Computer (IBM PC/AT type or equivalent)
8
Standard Straight RS-232C Cable
8
ALC Lens (WV-LA12A or equivalent)
8
Lux Meter
8
Lighting (140 footcandles (1 400 lx), Colour Temperature
3 200°K)
3 200°K)
8
Colour Temperature Conversion Filters
Recommended manufacturer and part numbers are
shown in Table 1-1.
Recommended manufacturer and part numbers are
shown in Table 1-1.
Table 1-1
8
Radiation Chart
8
Logarithmic Gray Scale Chart
(Part Number: YWV2310RB99)
(Part Number: YWV2310RB99)
8
Colour Chip Chart (Part Number: YWV2100RB98)
8
White Chart or White Paper
8
Remote Electric Variable Resistor (E. V. R.) Adjustment Kit
as shown in Fig. 1-1. (Part Number: YWV0EA1174AN)
as shown in Fig. 1-1. (Part Number: YWV0EA1174AN)
2-1
Fig. 1-1
8
Extension Cable for CN404 on the Main Board and
CN101 on the Power Board as shown in Fig. 1-2.
(Part Number: YWV0EA1171AN)
CN101 on the Power Board as shown in Fig. 1-2.
(Part Number: YWV0EA1171AN)
Fig. 1-2
ADJUSTMENT PROCEDURE
Conversion
KENKO
KODAK
3 200°K
→
5 100°K C12
80B
3 200°K
→
6 500°K C4 and C12
80B and 80C
To
Main Board
CN404
Main Board
CN404
To
Power Board
CN101
Power Board
CN101
CN3
CN2
2. Disassembling Procedure for
Adjustment
8
Referring to Fig. 2-1, remove two screws that secure the
Mount Adapter and remove the Mount Adapter.
Mount Adapter and remove the Mount Adapter.
8
Referring to Fig. 2-2, remove two screws that secure the
Main Cover and remove the Main Cover.
Main Cover and remove the Main Cover.
Fig. 2-1
Fig. 2-2
Remove two screws.
Mount Adapter
Remove two screws.
Main Cover
2-2
Remove four screws.
8
Referring to Fig. 2-5, remove one screw that secure the
I/F Board and Power Board.
I/F Board and Power Board.
8
Disconnect the connectors CN402 and CN403 on the
Main Board, and remove the I/F Board.
Main Board, and remove the I/F Board.
8
Disconnect the connector CN404 on the Main Board and
remove the Power Board.
remove the Power Board.
8
Remove one screw that secure the Earth Lug and
Washer, and remove the Earth Lug and Washer (For WV-
CL920A only).
Washer, and remove the Earth Lug and Washer (For WV-
CL920A only).
Fig. 2-6
8
Reconnect the CN1, CN8 on the I/F Board to CN402,
CN403 on the Main Board.
CN403 on the Main Board.
8
Reconnect the connectors by using the Extension Cable
(Refer to Fig. 1-2), between CN404 on the Main Board
and CN101 on the Power Board for Adjustment.
(Refer to Fig. 1-2), between CN404 on the Main Board
and CN101 on the Power Board for Adjustment.
Fig. 2-3
Fig. 2-4
8
Referring to Fig. 2-4, remove one screw that secure the
Front Unit.
(Disconnect the connectors CN9 on the I/F Board and
CN401 on the Main Board, remove the Wire Ass'y and
the Flexible Board Ass’y, and remove the Front Unit for
servicing the Sensor Board Ass’y.)
Front Unit.
(Disconnect the connectors CN9 on the I/F Board and
CN401 on the Main Board, remove the Wire Ass'y and
the Flexible Board Ass’y, and remove the Front Unit for
servicing the Sensor Board Ass’y.)
8
Referring to Fig. 2-3, remove the Rear Escutcheon and
the Rear Panel while Releasing the four hooks of the
Rear Escutcheon.
the Rear Panel while Releasing the four hooks of the
Rear Escutcheon.
Remove one screw.
Front Unit
Rear Panel
Hooks
8
Referring to Fig. 2-6, remove four screws that secure the
Main Board and remove the Main Board from the Main
Chassis.
Main Board and remove the Main Board from the Main
Chassis.
Fig. 2-5
Remove
one screw.
one screw.
CN402
Main
Board
Board
CN404
Earth
Lug
Earth
Lug
Washer
Remove
one
screw.
one
screw.
CN101
CN1
Power
Board
Board
I/F Board
Remove
one screw.
one screw.
Main
Board
Board
CN404
CN101
CN1
Power
Board
Board
I/F Board
(WV-CL920A)
(WV-CL924AE)
Main Chassis
Main Board
Rear Escutcheon
Flexible Board Ass’y
CN401
Wire Ass'y
I/F Board
CN9
Main Board
CN9
CN9
CN403
CN402
CN403
CN8
CN8
3. Connection and Setting Up for
Adjustment
3.1.Connection
8
The Fig. 3-1 shows the connecting diagram for the
Adjustment Procedure.
Adjustment Procedure.
Fig. 3-1
Test Chart
Lens
RS-232C
DC 12 V
IN
IN
Floppy
Disk
Disk
Under scanned
Colour
Video Monitor
Colour
Video Monitor
Remote E.V.R.
Adjustment
Kit
12 V DC
Power Supply Unit
Power Supply Unit
Video Signal Generator
RS-232C
Straight
Cable
Straight
Cable
Personal
Computer
Computer
75
Ω
CAMERA
Vectorscope
CAMERA
IN
VIDEO
OUT
12 V DC or 24 V AC
Power Supply Unit
Power Supply Unit
220-240V AC
(for WV-CL920A)
(for WV-CL920A)
(for WV-CL924AE)
Video
Output
Connector
Output
Connector
AC Inlet Socket
(WV-CL920A)
AC/DC Compatible
Input Terminal
(WV-CL924AE)
(WV-CL920A)
AC/DC Compatible
Input Terminal
(WV-CL924AE)
Gen-lock
Input
Connector
Input
Connector
2-3
3.2.Setting Up for Remote E.V.R.
Adjustment Kit
(1). Remote E.V.R. Adjustment Kit
REMOTE
OPERATE
PROG
ALARM
RESET
RESET
NORMAL
SYSTEM
ALARM OFF
EVR
Left
Switch
Switch
Right
Switch
Switch
Mode Selection
Switch
Switch
Program
Switch
Switch
Up
Switch
Switch
Down
Switch
Switch
Set
Switch
Switch
IN
OUT
STD. CAMERA
VP CAMERA
VIDEO
CAMERA
DC12V IN
RS232C
VP/STD Camera Selection Switch
RS232C Connector
Fig. 3-2
(2). Switch Setting
8
Remove the Upper Cover.
8
Set the switch SW3 on the Board to the position as shown
in Fig. 3-3.
8
Set the VP/STD.Camera Selection Switch on the Rear
Panel to STD CAMERA position.
(3). Installing E.V.R. Adjustment Program
8
Make a copy of following necessory files to your computer
from original floppy disk of the Remote E.V.R. Adjustment
Kit.
from original floppy disk of the Remote E.V.R. Adjustment
Kit.
RADJ2.EXE
CL920AE.SEQ
CL920AE.EV2
<Rear>
<Front>
Board
SW3
ON
<SW3>
<SW3>
1
2
3
4
Select switch #2 to ON (PAL) position.
#
ON
OFF
1
FIX
2
PAL
NTSC
3
FIX
4
FIX
Fig. 3-3
2-4
4. Adjustment Procedure
8
Refer to the Location of Test Points and Adjusting
Controls on the page 2-11.
Controls on the page 2-11.
4.1 Adjustment Procedure-1
(1). Flange-back Adjustment
Test Point:
CN2 (Video Output Connector)
I/F Board
Adjust:
Flange-back Adjusting Ring (FB)
8
Mount the ALC Lens WV-LA12A on the Camera.
8
Set the Radiation Chart 10m away from the Camera.
8
Aim the Camera at the Radiation Chart.
8
Referring to Fig. 4-1, loosen the Focus Fixing Screw
(LOCK) that secure the Flange-back Adjusting Ring (FB).
(LOCK) that secure the Flange-back Adjusting Ring (FB).
8
Adjust the Flange-back Adjusting Ring (FB) to obtain best
focal point.
focal point.
Fig. 4-1
W
V-
CL924
CL924A
Focus Fixing
Screw
(LOCK)
Screw
(LOCK)
ALC
Lens
Lens
Flange-back
Adjusting Ring
(FB)
Adjusting Ring
(FB)
8
Tighten the Focus Fixing Screw (LOCK) that secure the
Flange-back Adjusting Ring (FB) carefully.
Flange-back Adjusting Ring (FB) carefully.
(4). Procedure
1. Confirm that the CONFIG.SYS file on your computer
contains DEVICE=ANSI.SYS.
2. Insert floppy disk containing E.V.R.adjustment
program into your floppy drive (for example,drive:A)
and type A:
3. At the prompt, type CD IBMPC and press ENTER key.
4. Type COPY RADJ2.EXE B: and press ENTER key.
5. Type CD\ and press ENTER key.
6. Type CD SEQ and press ENTER key.
7. Type COPY CL920AE.SEQ B: and press ENTER key.
8. Type CD\ and press ENTER key.
9. Type CD EVR and press ENTER key.
10. Type COPY CL920AE.EV2 B: and press ENTER key.
11. After completing installation of program, you are ready
to use the E.V.R. adjustment program.
3.3.Setting Up
8
An initial setting of the Switch on the Left side Panel of
the WV-CL920A and WV-CL924AE as follows:
Gen-Lock Termination Switch
the WV-CL920A and WV-CL924AE as follows:
Gen-Lock Termination Switch
(Hi-Z, G/L 75
Ω
) ....................................................G/L 75
Ω
8
The adjustments should be done with this initial setting,
unless otherwise specified.
unless otherwise specified.
8
The adjustments should be done after 10 minutes warm
up.
up.
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