DOWNLOAD Panasonic WV-CL270 / WV-CL274E Service Manual ↓ Size: 1.07 MB | Pages: 27 in PDF or view online for FREE

Model
WV-CL270 WV-CL274E
Pages
27
Size
1.07 MB
Type
PDF
Document
Simplified Service Manual
Brand
Device
Video Monitoring
File
wv-cl270-wv-cl274e.pdf
Date

Panasonic WV-CL270 / WV-CL274E Simplified Service Manual ▷ View online

– 2 –
8
Referring to Fig. 2-4, disconnect the connector CN1 on
the Video Board and remove the Flexible Board
8
Referring to Fig. 2-4, remove two screws (Left x 1,Rigit
x 1) that secure the Front Unit and remove the Front Unit.
Fig. 2-4
Remove one screw.
Front Unit
ADJUSTMENT PROCEDURE
Fig. 2-3 
8
Referring to Fig. 2-3, remove two screws that secure the
Upper Cover and remove the Upper Cover.
1. Test Equipment Required
The following Test Equipments are required for Adjust-
ment of the Colour CCTV Cameras.
8
Oscilloscope
8
Digital Voltmeter
8
Frequency Counter
8
Vectorscope
8
Underscanned Colour Video Monitor
8
12 V DC/24 V AC Power Supply Unit
8
Personal Computer (IBM PC/AT type or equivalent)
8
ALC Lens (WV-LA12AE or equivalent)
8
Lux Meter
8
Lighting (140 footcandles (1 400 lx), 
Colour Temperature 3 200ºK)
8
Radiation Chart
8
Logarithmic Gray Scale Chart 
(Part Number: YWV2310RB99)
8
Colour Chip Chart (Part Number: YWV2310RB98)
8
White Chart or White Paper
8
Electric Variable Resistor (E.V.R.) Adjustment Kit as shown
in Fig. 1-1. (Part Number: YWV0JA0019AN)  
Fig. 1-1
2. Disassembling Procedure for
Adjustment
8
Referring to Fig. 2-1, remove two screws that secure the
Mount Adapter and remove the Mount Adapter.
8
Referring to Fig. 2-2, remove three screws that secure
the Bottom Cover and remove the Bottom Cover.
Remove two screws.
Mount Adapter
Fig. 2-1
Fig. 2-2
Remove three screws.
Bottom
Cover
E.V.R. Adjustment Kit 
Cable for E.V.R. 
Adjustment Kit
Upper Cover
Remove two screws.
Remove one screw.
Flexible
Board
CN1
Video Board
– 3 –
8
Referring to Fig. 2-5, remove two screws that secure the
Front Shield Plate and remove the Front Shield Plate
from the Front Unit.
Fig. 2-5
Front Shield
Plate
3.  Connection and Setting Up for
Adjustment
3.1. Connection
8
The Fig. 3-1 shows the connecting diagram for the Adjus-
tment Procedure.
Fig. 3-1
Test Chart
Lens
Floppy Disk
Vectorscope
24 V AC (for WV-CL274E)
220-240 V AC (for WV-CL270)
Underscanned
Colour Video
Monitor
24 V AC
Power Supply Unit
E.V.R.
Adjustment
Kit
Cable for
E.V.R.
Adjustment
Kit
12 V DC
Power Supply Unit
Printer
Connector
Personal 
Computer
75 
CAMERA
8
Referring to Fig. 2-6 remove two screws that secure the
Sensor Board and remove the Sensor Board from the
Front Unit.
Fig. 2-6
Sensor
Board
Remove two screws.
Front Unit
Front Unit
Remove two screws.
8
Connect the probe of the Digital Voltmeter, Oscilloscope
or Frequency Counter at the desired Test Point in each
adjustment step.
3.2. Setting Up for E.V.R. Adjustment 
Kit
(1). Connecting for E.V.R. Adjustment Kit
8
Referring to Fig. 3-1, connect the E.V.R. Adjustment Kit
to CN2 on the Video Board of the Camera using the
Cable for E.V.R. Adjustment Kit.
8
Connect the connector of the E.V.R. Adjustment Kit to
Personal Computer (IBM PC/AT type) using the printer
connector. 
8
Insert original floppy disk of E.V.R. Adjustment Kit to the
computer.
– 4 –
(2). Installing E.V.R. Adjustment Program 
8
Make a copy of following necessory files to your comput-
er from original floppy disk of the E.V.R. Adjustment Kit.
LADJ.EXE
CL270E.SEQ
CL270E.EVR
(3). 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 LADJ.EXE B: and press ENTER key.
5. Type CD\ and press ENTER key.
6. Type CD SEQ and press ENTER key.
7. Type COPY CL270E.SEQ B: and press ENTER key.
8. Type CD\ and press ENTER key.
9. Type CD EVR and press ENTER key.
10. Type COPY CL270E.EVR 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 Switches on the Rear Panel
(Video Board SW1) as follows:
Synchronization Mode Selector 
(INT,LL) .......................................................................INT
Back Light Compensation Mode Selector
(BLC ON,OFF) ...........................................................OFF
Detail/Aperture Level Selector 
(SHARP,SOFT) ....................................................SHARP
Automatic Light Control/Electronic Light Control Selector
(ALC,ELC)..................................................................ALC
Lens Drive Signal Selector (VIDEO,DC)......................DC
8
The adjustments should be done with this initial setting.
8
The adjustments should be done after 10 minutes warm
up.
4. Adjustment Procedure
8
Refer to the Location of Test Points and Adjusting Con-
trols on the page 9.
4.1. Adjustment Procedure-1
Fig. 4-1
(1). Line Lock VCO Adjustment
Test Point:
TP1 (LL VCO)
Video Board
Adjust:
L1 (LL VCO)
Sensor Board
8
Set the Synchronization Mode Selector (on the Video
Board SW1) to LL position.
8
Connect the Digital Voltmeter to TP1.
8
Adjust L1 so that the voltage becomes 1.65 V ± 0.35 V.
8
Return the Synchronization Mode Selector (on the Video
Board SW1) to INT position.
(2). Flange-back Adjustment
Test Point:
CN5 (Video Output Connector)Video Board
Adjust:
Flange-back Adjusting Ring
8
Mount the ALC Lens on the Camera.
8
Open the Lens Iris fully.
8
Set the Radiation Chart.
8
Aim the Camera at the Radiation Chart 10m away.
8
Referring to Fig. 4-1, loosen the Focus Fixing Screw
(LOCK) that secure the Flange-back Adjusting Ring.
8
Adjust the Flange-back Adjusting Ring to obtain best
focal point.
Flange-back
Adjusting Ring
Mount the ALC Lens.
Focus Fixing 
Screw (LOCK)
LOCK
8
Tighten the Focus Fixing Screw (LOCK) that secure the
Flange-back Adjusting Ring carefully.
– 5 –
8
Press the SAVE(F5) key of the Computer, then the
Computer will ask you for the file name.
8
Type  xxxxxxxx.EVR. Give an appropriate file name for
xxxxxxxx within 8 letters, but do not use CL270E.
8
Press the ENTER key.
8
This saving procedure is recommended to keep the cur-
rent adjustment status of the Camera.
8
Press the LOAD(F1) key and type CL270E.EVR  and
press the ENTER key for presetting adjustment of the
Camera.
8
Press the ENTER key to start adjustment.
(1). FSC  Adjustment
Test Point:
Pin 2 of CN2 (14MHz)
Sensor Board
8
Set the Synchronization Mode Selector (on the Video
Board SW1) to INT Position.
8
Connect the Frequency Counter to Pin 2 of CN2.
8
Adjust data with the ARROW keys so that the Subcurrier
Frequency becomes 14.18750 MHz ± 40 Hz.
8
Press the ENTER key for next adjustment.
PANASONIC REMOTE EVR ADJUSTMENT SYSTEM (C) MCI Co. CCTV PRODUCT:CL270 EEPROM:0
✽   ✽   ✽   ✽   ✽   ✽   ✽  ✽   ✽  ✽   ✽  ✽  ✽   ✽   ✽   ✽   ✽   ✽  ✽  ✽  ✽  ✽  ✽ 
MENU
✽   ✽   ✽   ✽   ✽   ✽   ✽   ✽   ✽   ✽    ✽   ✽   ✽   
Page (1/1)
✽   ✽   ✽  ✽   ✽  
PAL
1. FSC ADJUSTMENT
3. ALC LEVEL
4. AGC OFF GAIN
5.1. OB LEVEL
5.2. VIDEO OUT GAIN
5.3. OB CONFIRM
6.1. BURST LEVEL 
6.2. BURST LEVEL 
6.3. BURST LEVEL 
6.4. BURST LEVEL 
7.1. 3200K R GAIN
7.2. 3200K B GAIN
7.3. 3200K PHASE
7.5. COLOUR CENTER POINT ADJUSTMENT
8. HI LIGHT CHROMA CLIP
<CONTENTS>  TP2 [MAIN] 14.18750 MHz + - 40 Hz
<INSTRUCTION> PLEASE CHOOSE MENU DATA BY ARROW-KEY
LOAD (F1)          QUIT (F3)             SAVE (F5)
Table 4-1
4.2. Adjustment Procedure-2 
(E.V.R. Adjustment) 
8
Mount the ALC Lens on the Camera.
8
Insert new disk containing the E.V.R. Adjustment program
into IBM PC/AT and turn on the Power Switch of IBM
PC/AT.
8
When starting an adjustment, at the prompt, type
LADJ CL270E and press the ENTER key, an initial menu
will be displayed in Table 4-1.
(3). ALC Level Adjustment
Test Point:
Pin 1 of CN2 (CDS OUT)
Sensor Board
8
Keep the Colour Temperature at 3 200ºK.
8
Aim the Camera at the Logarithmic Gray Scale Chart.
8
Connect the Osilloscope to the Pin 1 of CN2.
8
Adjust data with the ARROW keys so that the CDS OUT
signal level becomes 300 mV ± 30 mV as shown in Fig.
4-2.
Fig. 4-2
8
Press the ENTER key for next adjustment.
(4). AGC OFF Gain Adjustment
Test Point:
Pin 3 of CN2 (AGC OUT)
Sensor Board
8
Keep the Colour Temperature at 3 200ºK.
8
Aim the Camera at the Logarithmic Gray Scale Chart.
8
Connect the Osilloscope to the Pin 3 of CN2.
8
Adjust data with the ARROW keys so that the AGC OUT
signal level becomes 300 mV ± 30 mV as shown in Fig.
4-3.
Fig.  4-3
8
Press the ENTER key for next adjustment.
300 mV 
±
 30 mV
300 mV 
±
 30 mV
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