1-16 (E)
WLL-CA50
1-17. Note on Service
1-17-1. Error Message
If an error is generated, the error message is displayed on
the EL display.
For details, refer to the operation manual of this unit.
1-17-2. Notes on RF OUT Connector
Be sure to connect the supplied special antenna to the RF
OUT connector of this unit, because it is reverse polarity as
compared with the usual N-type connector.
Therefore, never connect any other antenna or plug to the
RF OUT connector.
1-17-3. Note on Replacing the EL Display
When replacing the EL display, it is recommended to
replace the flexible card wire connected to the EL display
at the same time.
If using a new flexible card wire, hand form it referring to
Section 1-7-2.
.
Flexible card wire (Sony Part No.: 1-827-252-11)
1-17-4. Circuit Protection Device
The MB-998 board and PS-645 board are provided with
positive thermistors for power line to protect circuits. This
device limits a current by steeply increasing the inner
resistance when the device rises to a certain temperature
due to overcurrent or high ambient temperature. If the
device is activates once, turn off the power and check an
equipment concerned; This unit or other equipment
connected to the DC IN connector of this unit. After the
cause is eliminated and the device cools off, turn on the
power again. If there is no trouble, the unit will operate
normally. It takes about one minute for the device to cool
off after powering off the unit.
MB-998 Board
Ref. No.
Address
Equipment protected
THP2
B2
*
Circuits in this unit
*
: B SIDE
PS-645 Board
Ref. No.
Address
Equipment protected
THP1
C2
Equipment connected to DC IN
connector
