Read Panasonic WV-CL920A / WV-CL924A Service Manual online
ORDER NO. AVS0304481C1
S02
S02
R
Color CCTV Cameras
WV-CL920A/WV-CL924A
WV-
CL924A
SPECIFICATIONS
Pick-up Device:
768 (H) x 494 (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:
525 lines/60 fields/30 frames
Horizontal:
15.734 kHz
Vertical:
59.94 Hz
Synchronization:
Internal, Line-locked, External (VS/VBS) or
Multiplexed Vertical Drive (VD2) selectable
Multiplexed Vertical Drive (VD2) selectable
Video Output:
1.0 V[p-p] NTSC composite 75
Ω
/BNC connector
Horizontal Resolution:
480 lines (C/L), 570 lines (B/W)
Signal-to-Noise Ratio:
50 dB (AGC OFF, weight ON)
Minimum Illumination:
0.14 lx (0.014 footcandle) at F1.4 (C/L), 0.01 lx (0.001 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 1/60 s and 1/10 000 s
AGC:
ON (DNR-H), ON (DNR-M), ON (DNR-L) or OFF (SET UP MENU) selectable
Backlight Compensation:
Preset ON or OFF (SET UP MENU) selectable
Electronic Shutter Speed:
1/60 (OFF), 1/100, 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:
Ambient Operating Humidity:
Less than 90 %
Power Source and
WV-CL920A:
120 V AC 60 Hz 4.8 W
Power Consumption:
WV-CL924A:
24 V AC 60 Hz 4.9 W
12 V DC 460 mA
12 V DC 460 mA
Alarm Out:
Collector-output
OFF (Open or 4 V DC - 5 V DC)/ON (
OFF (Open or 4 V DC - 5 V DC)/ON (
≤
1 V 50 mA)
Day/Night In:
Pulled-up to 5 V DC
OFF (Open)/ON (0 V 0.2 mA)
OFF (Open)/ON (0 V 0.2 mA)
(Lens: Option)
2 0 0 3
M a t s u s h i t a E l e c t r i c 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 .
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 .
The Product with PbF
STANDARD ACCESSORIES
Body Cap .................................................................... 1 pc.
ALC Lens Connector (YWM1943A) ............................ 1 pc.
AC Power Cord (only for WV-CL920A) ....................... 1 pc.
C-mount Adapter ......................................................... 1 pc.
ALC Lens Connector (YWM1943A) ............................ 1 pc.
AC Power Cord (only for WV-CL920A) ....................... 1 pc.
C-mount Adapter ......................................................... 1 pc.
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)]
[2-15/16” (W) x 2-3/16” (H) x 4-13/16” (D)]
Weights (without lens):
WV-CL920A:
0.45 kg (1.0 lbs.) (without power cord)
WV-CL924A:
0.44 kg (1.0 lbs.)
Weights and dimensions indicated are approximate.
Specifications are subject to change without notice.
Specifications are subject to change without notice.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION:
TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK). NO USER
SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE
PERSONNEL.
TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK). NO USER
SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE
PERSONNEL.
This symbol warns the user that uninsulated voltage within
the unit may have sufficient magnitude to cause electric
shock. Therefore, it is dangerous to make any kind of contact
with any inside part of this unit.
the unit may have sufficient magnitude to cause electric
shock. Therefore, it is dangerous to make any kind of contact
with any inside part of this unit.
This symbol alerts the user that important literature concerning
the operation and maintenance of this has been included.
Therefore, it should be read carefully in order to avoid
any problems.
the operation and maintenance of this has been included.
Therefore, it should be read carefully in order to avoid
any problems.
T
here are special components used in this equipment which are important for safety. These parts are indicated
by the ”
Y
” mark on the schematic diagram and the replacement parts list. It is essential that these critical
parts should be replaced with manufacturer's specified parts to prevent X-radiation, shock, fire, or other hazards.
Do not modify the original design without permission of manufacture.
IMPORTANT SAFETY NOTICE
About Lead Free Solder (PbF)
Distribution of PbF PCB:
PCBs (manufactured) using lead free solder (PbF) will have a stamp on the PCB.
Caution:
8
Lead free solder has a higher melting point than standard solder. Typically the melting points is 35
°
C – 40
°
C
(95
°
F – 104
°
F) higher. Please use a soldering iron with temperature control and adjust it to 360
°
C – 370
°
C
(680
°
F – 698
°
F). In case of using high temperature soldering iron, please be careful not to heat too long.
8
Lead free solder will tend to splash when heated too high (600
°
C / 1112
°
F).
8
Lead free solder (Sn - 3.0Ag – 0.5Cu) or equivalents are recommended on repairing our lead free soldered PCB.
Y
WARNING
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.
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.
SAFETY PRECAUTIONS
GENERAL GUIDELINE
1. When service is required, observe the original lead
dress. Components, wires or cables that indicate
evidence of overheating or other electrical or mechanical
damage should be replaced.
2. After servicing see to that all the protective devices, such
as insulation tape, shields must be properly installed.
3. After servicing, make the following leakage current
checks to prevent the customer from being exposed to
shock hazards.
LEAKAGE CURRENT COLD CHECK
1. Unplug the AC cord and connect a jumper between the
two prongs on the plug.
2. Measure the resistance value, with an ohmmeter,
between the jumpered AC plug and each exposed
metallic cabinet part on the equipment such as
screwheads, connectors, control shafts, etc.
When the exposed metallic part has a return path to the
chassis, the reading should be between 1M
Ω
and 5.2M
Ω
. When the exposed metal does not have a return path
to the chassis, the reading must be
∞
(infinity).
Any resistance value below this range indicates an
abnormality which requires corrective action.
3. Repeat the test with the AC switch in the "OFF" position.
LEAKAGE CURRENT HOT CHECK
1. Plug the AC cord directly into adaptor socket and plug
adaptor into the AC outlet. Do not use an isolation
transformer for this check.
2. Connect a 1.5k
Ω
/10W resistor, paralleled by 0.15 µF
capacitor, between each exposed metallic part on the
unit and a good earth ground such as a water pipe, as
shown in Figure 1.
3. Use an AC voltmeter, with 1000
Ω
/volt or more sensitivity,
to measure the potential across the resistor.
4. Check all exposed metallic parts of the cover (BNC
connector, Handle bracket, Metallic cabinet,
Screwheads, Metallic overlays, etc.), and measure the
voltage at each point.
5. Reverse the AC plug in the AC plug adaptor and re-peat
each of the above measurements.
6. The potential at any point should not exceed 0.75 V
RMS.
A leakage current tester (SIMPSON MODEL 229 or
equivalent) may be used to make the hot checks.
Leakage current must not exceed 0.5 milliampere.
In case a measurement is outside of the limits specified,
there is a possibility of a shock hazard, and corrective
action must be taken before returning the instrument to
the customer.
AC VOLTMETER
1.5k
Ω
0.15
µ
F
Water Pipe
(Earth Ground)
Test all exposed
metal parts
metal parts
DEVICE
UNDER
TEST
UNDER
TEST
AC PLUG
ADAPTOR
AC OUTLET
Ground Lead Disconnected during safety check.
Fig. 1 Leakage Current Hot Check
PRODUCT COMPLIES WITH DHHS RULES 21 CFR SUB-
CHAPTER J APPLICABLE AT DATE OF MANUFACTURE
CHAPTER J APPLICABLE AT DATE OF MANUFACTURE
CONTENTS
MAJOR OPERATING CONTROLS AND THEIR FUNCTIONS ......................................................... 1-1
ADJUSTMENT PROCEDURE ............................................................................................................ 2-1
LOCATION OF TEST POINTS AND ADJUSTING CONTROLS ........................................................2-9
OVERALL BLOCK DIAGRAM
(1/2) ................................................................................................................................................. 3-1
(2/2) ................................................................................................................................................. 3-2
WIRING DIAGRAM ............................................................................................................................. 3-3
SCHEMATIC DIAGRAM
SENSOR BOARD ........................................................................................................................... 4-1
MAIN BOARD (1/3) ......................................................................................................................... 4-2
MAIN BOARD (2/3) ......................................................................................................................... 4-3
MAIN BOARD (3/3) ......................................................................................................................... 4-4
I/F BOARD / TERMINAL BOARD ................................................................................................... 4-5
CONDUCTOR VIEW
SENSOR BOARD ........................................................................................................................... 5-1
MAIN BOARD (COMPONENT SIDE) ............................................................................................. 5-2
MAIN BOARD (PATTERN SIDE) .................................................................................................... 5-3
I/F BOARD / TERMINAL BOARD ................................................................................................... 5-4
EXPLODED VIEW
WV-CL920A .................................................................................................................................... 6-1
WV-CL924A .................................................................................................................................... 6-2
REPLACEMENT PARTS LIST .......................................................................................................... 7-1