DOWNLOAD Panasonic WV-CL920 / WV-CL924 Service Manual ↓ Size: 1.22 MB | Pages: 34 in PDF or view online for FREE

Remove four screws

– 3 –

Referring to Fig. 2-5, remove one screw that secure the
I/F Board and Power Board Unit.
Disconnect the connectors CN402 and CN403 on the
Main Board, and remove the I/F Board.
Disconnect the connector CN404 on the Main Board and
remove the Power Board Unit.
Remove one screw that secure the Earth Lug and
Washer and remove the Earth Lug and Washer (For WV-
CL920 only).

Reconnect the CN1, 8 on the I/F Board to the CN402,
403 on the Main Board.
Reconnect the connectors by using the Extension Cable
(Refer to Fig. 1-1), between CN404 on the Main Board
and CN101 on the Power Board Unit for Adjustment.

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, and remove the Flexible
Board Ass’y and  Front Unit for the Head Optical Ass’y
Replacement.

Referring to Fig. 2-3, remove the Rear Escutcheon and
the Rear Panel while Releasing the four hocks of the
Rear Escutcheon.

Remove one screw

Front Unit

Rear Panel

Hocks

Referring to Fig. 2-6, remove four screws that secure the
Main Board and remove the Main Board from the Main
Chassis.

Remove 
one screw

CN402

Main
Board

CN404

Earth
Lug

Washer

Remove
one
screw

CN101

CN1

Power
Board
Unit

I/F Board

Remove 
one screw

Main
Board

CN404

CN101

CN1

Power
Board
Unit

I/F Board

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

The Fig. 4-1 shows the connecting diagram for the adjust-
ment procedure.

Test Chart

Lens

Lcm

Floppy 
Disk

Under scanned
Colour
Video Monitor

Video Signal Generator

Remote E.V.R.

Adjustment

Kit

12V DC
Power Supply

RS-232C 
Straight 
Cable

Personal 
Computer

75

Ω

Waveform
Monitor

Vectorscope

CAMERA

IN

VIDEO

OUT

VIDEO

OUT

GEN-LOCK

12V DC or 24V AC
Power Supply

220-240V AC (for WV-CL920)

 (for WV-CL924)

– 4 –

Remove the Upper Cover.

Set the switch SW3 on the Board to the position as

shown below.

REMOTE

OPERATE

PROG

ALARM
RESET

NORMAL

SYSTEM

ALARM OFF

EVR

Left
Switch

Right
Switch

Mode Selection
Switch

Program
Switch

Up
Switch

Down
Switch

Set
Switch

IN

OUT

STD. CAMERA

VP CAMERA

VIDEO

CAMERA

DC12V IN

RS232C

VP/STD Camera Selection Switch

RS232C Connector

Select switch #2 to ON (PAL) or OFF (NTSC) position.

#

ON

OFF

1

FIX

2

PAL

NTSC

3

FIX

4

FIX

Disassemble the Front Unit of the Camera while referring to
the item 2. Disassembling Procedure for Adjustment.
Referring to Fig. 3-1, Disconnect the Connector on the
Head Optical Ass’y and remove the Flexible Board Ass’y. 
Remove two screws that secure the Head Optical Ass’y
on the Front Unit and remove the Head Optical Ass'y on
the Front Unit.
Replace Head Optical Ass'y with new one.

Remove two screws

Front Unit

Head Optical Ass’y

Connector

Flexible Board
Ass’y

– 5 –

An initial setting of the Switch on the Left side Panel of
the WV-CL920 and WV-CL924 as follows:
Gen-Lock Termination Switch

(Hi-Z, G/L 75

Ω

) ....................................................G/L 75

Ω

The adjustments should be done with this initial setting,
unless otherwise specified.

The adjustments should be done after 10 minutes warm
up.

Refer to the Location of the Test Points and Adjusting
Controls on the page 11.

Mount the ALC Lens WV-LA12 on the Camera.
Set the Radiation Chart.
Aim the Camera at the Radiation Chart distance of 10m.
Set the Lens Focus Ring so that the Lens Focus positions
approx. 9mm in front from infinity.
Referring to Fig. 5-1, loosen the Focus Fixing Screw
(LOCK) that secure the Flange-back Adjusting Ring (FB).
Adjust the Flange-back Adjusting Ring (FB) to obtain best
focal point.

Set the VP/STD.Camera Selection Switch on the Rear

Panel according to the Camera. 

Set to VP Camera position for VP Multiplexed Camera.

Set to STD Camera position for Standard Camera. 

Make a copy of following necessory files to your comput-
er from original floppy disk of the Remote E.V.R.
Adjustment Kit.

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 CL920E.SEQ B: and press ENTER key.

8. Type CD\ and press ENTER key.

9. Type CD EVR and press ENTER key.

10. Type COPY CL920E.EV2 B: and press ENTER key.

11. After completing installation of program, you are ready

to use the E.V.R. adjustment program.

WV-

Focus Fixing
Screw 
(LOCK)

Tighten the Focus Fixing Screw(LOCK) that secure the
Flange-back Adjusting Ring (FB) carefully.
Change the ALC Lens to WV-LA9C3A from WV-LA12.

Flange-back
Adjusting Ring
(FB)

ALC
Lens

– 6 –

Insert new disk containing the E.V.R. Adjustment pro-
gram into IBM PC/AT and turn on the Power Switch of
IBM PC/AT.
At the prompt, type RADJ2 CL920E and press the
ENTER key, an initial menu will be displayed in Table 5-1.

Press the SAVE(F5) key of the Computer, then the
Computer will ask you for the file name.
Type  xxxxxxxx.EV2 0 1FF. Give an appropriate file
name for xxxxxxxx within 8 letters, but do not use
CL920E.
Press the ENTER key.
This saving procedure is recommended to keep the cur-
rent adjustment status of the Camera.
Press the LOAD(F1) key and type CL920E.EV2  and
press the ENTER key for presetting adjustment of the
Camera.

Connect the Frequncy Counter to TD802 or TD802.
Adjust data with the ARROW keys so that the Subcarrier
Frequency becomes 17.73447 MHz ± 40 Hz.
Press the ENTER key for next adjustment.

PANASONIC REMOTE EVR ADJUSTMENT SYSTEM (C) MCI Co. CCTV PRODUCT:CL920 EEPROM:0

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MENU

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PAL

1.1. SC FREQUENCY
1.2. VS SC FREQUNCY
2. HI CLIP LEVEL
3. ALC DC
4. VIDEO OUT GAIN 
5. PEDESTAL
6.1. BURST LEVEL
6.2. BURST LEVEL
6.3. BURST LEVEL
6.4. BURST LEVEL
7.1. WB 3200K MANU OFFSET R
7.2. WB 3200K MANU OFFSET B
8.1. WB 6500K ATW LIMIT R
8.2. WB 6500K ATW LIMIT B
9.1. 3200K R_GAIN
9.2. 3200K B_GAIN
9.3. 3200K MATRIX
10.1. 5100K R_GAIN
10.2. 5100K B_GAIN
11. HIGH LIGHT CHROMA CLIP
<CONTENTS>

17734470 + - 40Hz

<INSTRUCTION> PLEASE CHOOSE MENU DATA BY ARROW-KEY

LOAD (F1)          QUIT (F3)             SAVE (F5)

Supply the Composite Video signal to the Gen-Lock input
Connector (CN4 on the I/F Board) from the Video Signal
Generator.
Connect the Frequncy Counter to TD801 or TD802.
Adjust data with the ARROW keys so that the Subcarrier
Frequency becomes 17.73477 MHz ± 40 Hz.
Press the ENTER key for next adjustment.

Change the Colour Temperature from 5100K to 3200K by
mounting the Colour Conversion Filter W12 on the Lens.
Aim the Camera at the Logarithmic Gray Scale Chart.
Connect the Oscilloscope to the Video Output Connector.
Open the Lens Iris fully.
Adjust data with the ARROW keys so that the signal level
becomes 805       mV as shown in Fig. 5-2.

805       mV

+ 35
–   0

Press the ENTER key for next adjustment.

Keep the Colour Temperature at 3200K.
Aim the Camera at the Logarithmic Gray Scale Chart.
Open the Lens Iris.
Adjust data with the ARROW keys so that the measure
level becomes 00 and 05.
Press the ENTER key for next adjustment.

+35

–0