WV-CL920, WV-CL924 - Panasonic Video Monitoring Service Manual (repair manual)

wv-cl920, wv-cl924 service manual
Model
WV-CL920 WV-CL924
Pages
34
Size
1.22 MB
Type
PDF
Document
Service Manual
Brand
Device
Video Monitoring
File
wv-cl920-wv-cl924.pdf
Date

Read Panasonic WV-CL920 / WV-CL924 Service Manual online

ORDER NO. AVS0103337C8
C
2 0 0 1     M a t s u s h i t a   C o m m u n i c a t i o n   I n d u s t r i a l   C o . ,   L t d .
A l l   r i g h t s   r e s e r v e d .   U n a u t h o r i z e d   c o p y i n g   a n d
d i s t r i b u t i o n   i s   a   v i o l a t i o n   o f   l a w .
Colour CCTV Cameras
WV-CL920/WV-CL924
W
V-
CL924
CL
924
SPECIFICATIONS
Pick-up Device:
762 (H) x 582 (V) pixels, Interline Transfer CCD
Scanning Area:
6.45 (H) x 4.84 (V) mm (Equivalent to scanning area of 1/2” pick-up tube)
Scanning:
625 lines/50 fields/25 frames
Horizontal:
15.625 kHz
Vertical:
50 Hz
Synchronization:
Internal, Line-locked, External (VS/VBS) or 
Multiplexed Vertical Drive (VD2) selectable
Video Output:
1.0 V[p-p] PAL composite 75 
/BNC connector
Horizontal Resolution:
480 lines (C/L), 570 lines (B/W)
Signal-to-Noise Ratio:
50 dB (AGC OFF, weight ON)
Minimum Illumination:
0.3 lx (0.03 footcandle) at F1.4 (C/L), 0.02 lx (0.002 footcandle) at F1.4 (B/W)
Gain Control:
AGC ON or OFF (SET UP MENU) selectable
White Balance:
ATW1, ATW2 or AWC (SET UP MENU) selectable
Aperture:
Variable (SET UP MENU)
Electronic Light Control:
Equivalent to continuous variable shutter speeds between 1/50 s and 1/10 000 s
AGC:
ON (DNR-H), ON (DNR-L) or OFF (SET UP MENU) selectable
Backlight Compensation:
Preset ON or OFF (SET UP MENU) selectable
Electronic Shutter Speed:
1/50 (OFF), 1/120, 1/250, 1/500, 1/1 000,1/2 000,1/4 000, 1/10 000 s selectable
Lens Mount:
CS-mount
ALC Lens:
DC or Video selectable
Ambient Operating Temperature:
–10°C - +50°C (14°F - 122°F)
Ambient Operating Humidity:
Less than 90 %
Power Source and
WV-CL920:
220-240 V AC 50 Hz  5.1 W
Power Consumption:
WV-CL924:
24 V AC 50 Hz  4.7 W
12 V DC  440 mA
Dimensions (without lens):
74 mm (W) x 55 mm (H) x 120 mm (D)
[2-15/16” (W) x 2-3/16” (H) x 4-13/16” (D)]
Weights (without lens):
WV-CL920:
0.45 k
g (1.0 lbs.) (without power cord)
WV-CL924:
0.44 k
g (1.0 lbs.)
Dimensions and weights indicated are approximate.
Specifications are subject to change without notice.
(Lens: Option)
This service information is designed for experienced repair technicians only and is not designed for use by the
general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to
service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any
attempt to service or repair the product or products dealt with in this service information by anyone else could
result in serious injury or death.
!
WARNING
STANDARD ACCESSORIES
Body Cap .................................................................... 1 pc.
ALC Lens Connector (YWM1943A)  ............................ 1 pc.
AC Power Cord (only for WV-CL920)  ......................... 1 pc.
OPTIONAL ACCESSORIES
Lenses :
WV-LA2.8, WV-LA4R5A, WV-LA6A, WV-LA12A, 
WV-LZ80/2, WV-LZ81/10, WV-LZ81/6, 
WV-LA4510,WV-LA608, WV-LA1208
CONTENTS
MAJOR OPERATING CONTROLS AND THEIR FUNCTIONS............................................................. 1
ADJUSTMENT PROCEDURE ............................................................................................................... 2
LOCATION OF TEST POINTS AND ADJUSTING CONTROLS......................................................... 11
WIRING DIAGRAM .............................................................................................................................. 12
OVERALL BLOCK DIAGRAM
(1/2) .................................................................................................................................................. 13
(2/2) .................................................................................................................................................. 14
SCHEMATIC DIAGRAM 
SENSOR BOARD............................................................................................................................. 15
MAIN BOARD (1/3) .......................................................................................................................... 16
MAIN BOARD (2/3) .......................................................................................................................... 17
MAIN BOARD (3/3) .......................................................................................................................... 18
I/F BOARD (1/2) ............................................................................................................................... 21
I/F BOARD (2/2) ............................................................................................................................... 22
CONDUCTOR VIEW
SENSOR BOARD............................................................................................................................. 15
MAIN BOARD (COMPONENT SIDE)............................................................................................... 19
MAIN BOARD (PATTERN SIDE) ..................................................................................................... 20
I/F BOARD (COMPONENT SIDE) ................................................................................................... 23
I/F BOARD (PATTERN SIDE) .......................................................................................................... 24
EXPLODED VIEW 
WV-CL920/G .................................................................................................................................... 25
WV-CL924E...................................................................................................................................... 26
REPLACEMENT PARTS LIST  ........................................................................................................... 27
– 1 –
MAJOR OPERATING CONTROLS AND THEIR FUNCTIONS
<WV-CL920>
<WV-CL924>
WV-
CL920
FB
LOCK
FB
LOCK
Hi-Z G/L 75‰
WV-
CL920
VIDEO OUT
GEN-LOCK
120V   AC 60Hz
VIDEO OUT
GEN-LOCK
AC 24V
IN
DC 12V
IN
GND
2
1
r
e
!3
!3
!2
!1
!2
q
w
!0
i
y
t
u
o
!4
!5
Slide the panel to the left until it locks.
q
Auto Iris Lens Connector (ALC Lens Connector)
This connector is used to connect the auto iris lens with a 4-
pin male connector supplied as a standard accessory (Part
No. YWM1943A).
w
Flange-back Adjusting Ring (FB)
This ring is used to adjust the back focal length or picture
focus. Rotate this ring upward or downward for a CS-mount
lens. In case of using a C-mount lens, adjust it with the C-
mount adapter.
e
Focus Fixing Screw (LOCK)
r
Camera Mounting Screw Hole
This hole is used to mount the camera onto a mounting
bracket.
t
Down Button (
)
This button is used to move the cursor downward. It is also
used to select items in the CAM SET UP menu.
y
Right Button (
)
This button is used to move the cursor to the right. It is also
used to select the mode and can be used to adjust some
levels.
u
Left Button (
)
This button is used to move the cursor to the left. It is also
used to select the mode and can be used to adjust some
levels.
i
Up Button (
)
This button is used to move the cursor upward. It is also
used to select items in the CAM SET UP menu.
o
Set Button (
)
This button is used to activate an item selected in the CAM
SET UP menu.
!0
Gen-lock Termination Switch (Hi-Z, G/L 75
)
Set this switch to Hi-Z when a gen-lock video input signal is
looped through. In all other cases, set this switch to 75 
.
!1
Gen-lock Input Connector (GEN-LOCK)
This connector is used to connect an external system for
synchronization.
!2
Video Output Connector (VIDEO OUT)
This connector is used to connect with the VIDEO IN con-
nector of the monitor.
!3
Power Cord Socket
This socket is used to connect the power cord (supplied as
a standard accessory).
!4
AC/DC Compatible Input Terminal
(DC 12V IN/AC 24V IN)
This terminal is for connecting the 12 V DC or 24 V AC
power supply cord.
Caution:
Connect to 12 V DC (10.8 V-16 V) or 24 V AC
(19.5 V-28 V) class 2 power supply only. Make sure
to connect the grounding lead to the GND terminal
when the power is supplied from a 24 V AC power
source.
1. Test Equipment Required
The following Test Equipments are required for Adjust-
ment of the Colour CCTV Camera WV-CL920 and WV-
CL924.
Oscilloscope
Frequency Counter
Waveform Monitor
Vectorscope
Underscanned Colour Video Monitor
12 V DC Power Supply Unit
Personal Computer (IBM PC/AT type or equivalent)
Standard Straight RS-232C Cable
ALC Lens (WV-LA9C3A, WV-LA12 or equivalent)
Lux Meter
Lighting (275 footcandles (2,750 ± 150 lux), Colour
Temperature 5,100 ± 100 K)
Colour Temperature Conversion Filters
(KENKO: W12, C4 or equivalent)
Radiation Chart
Logarithmic Gray Scale Chart. 
(Part Number:YWV2310RB99) 
Extension Cable as shown in Fig. 1-1.
(Part Number: YWV0EA1171AN) 
2. Disassembling Procedure for
Adjustment
Referring to Fig. 2-1, remove two screws that secure the
Mount Adapter and remove the Mount Adapter.
Referring to Fig. 2-2, remove two screws that secure the
Main Cover and remove the Main Cover.
Fig. 2-1
Fig. 2-2
– 2 –
Remove two screws
Mount Adapter
Remove two screws
Main Cover
Fig. 1-2
Remote Electric Variable Resistor (E. V. R.) Adjustment kit
as shown in Fig. 1-2. (Part Number: YWV0EA1174AN) 
Fig. 1-1
To 
Main Board 
CN404
To 
Power Board 
Unit CN101
CN3
CN2
ADJUSTMENT PROCEDURE
Page of 34
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Here you can read online and download Panasonic WV-CL920 / WV-CL924 Service Manual in PDF. WV-CL920 / WV-CL924 service manual will guide through the process and help you recover, restore, fix, disassemble and repair Panasonic WV-CL920 / WV-CL924 Video Monitoring. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.