WV-PS154, WV-PS15 - Panasonic Video Monitoring Service Manual (repair manual). Page 4

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WV-PS154/WV-PS15
– 1 –
MAJOR OPERATING CONTROLS AND THEIR FUNCTIONS
( WV-PS154 )
POWER LED WILL FLASH
IF COOLING FAN MALFUNCTIONS
SWITCH
PROTECTOR
Camera Drive Unit WV-PS
Power
ON
OFF
q
q
Power On/Off Switch (POWER ON/OFF)
This switch is used to turn the camera drive unit and
connected cameras on and off.  The indicator lights up
when the camera drive unit is switched on.
When turns this switch off, the power supply does not
interrupt. In such a case, disconnect the AC cord or turn
the circuit breaker off.
Note: To prevent accidental interruption of power supply
to the camera drive unit, cover the power switch with
the supplied switch protector as shown below.
t
VD/SYNC Input Connector (VD/SYNC IN)
The VD (Vertical Drive) pulse or VS (Video Sync) signal
is supplied to this connector for synchronizing the sys-
tem.
y
VD/SYNC Output Connector (VD/SYNC OUT)
The VD (Vertical Drive) pulse or VS (Video Sync) signal
is output from this connector for synchronizing other
system components.
Note: Be sure that the specified camera and camera
input1 are connected correctly and firmly. The syn-
chronizing signal is not supplied if this connection is
faulty.
u
Cooling Fan
This unit prevents the temperature of the camera drive
unit from rising 
Caution:
Do not block the ventilation opening or slots on the
cover to prevent the temperature of the camera drive
unit from rising. The power indicator blinks to indicate
an unusual temperature rise. Do take immediate action
when the power indicator blinks. Turn the power off
and refer servicing to qualified service personnel.
The cooling fan inside the camera drive unit is subject
to wear and need to be replaced periodically.
i
AC Cord
o
Signal Ground Terminal (SIGNAL GND)
w
Camera Input Connectors (CAMERA IN 1, 2, 3, 4)
These connectors receive colour or B/W composite
video signals from the cameras.  They also supply DC
power and vertical drive pulses for synchronizing signals
to the cameras and receive video and audio signals
from the cameras.
e
Video Output Connectors (VIDEO OUT 1, 2, 3, 4)
Video signals from the cameras are output from these
connectors for input to outboard devices.
r
Audio Output Connectors (AUDIO OUT 1, 2, 3, 4)
Audio signals from the cameras are output from these
connectors for input to the outboard devices (if an
applicable camera is connected).
SWITCH
PROTECTOR
Front View
w
4
3
2
1
4
3
2
2
1
4
3
1
(4V[p-p]75
)
SIGNAL
GND
VD/SYNC
OUT
VD/SYNC
IN
VIDEO OUT
AUDIO OUT
CAMERA IN
e
t
o
r
y
u
i
Rear View
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