MAINTENANCE 13

■Fuse replacement

When no external DC output is available from [EXT DC] and ACC connectors, the internal fuse may be open. Replace the fuse in this case.

WARNING: DISCONNECT the AC power cable from the AC outlet before removing the transceiver’s cover.

q Remove the bottom cover as shown left.

w Remove the 8 screws from the shield cover of the transceiver’s bottom side.

e Replace the open fuse with a new, properly rated one (FGB 2 A) as shown at left.

r Return the inside cover and bottom cover and screws to the original position.

■Resetting the CPU

POWER

MW

F-IMP ENT

q Turn the main power switch on the rear panel ON.

 

 

 

• Make sure the transceiver power is still OFF.

 

 

 

w While pushing and holding F-INPENTand MW ,

 

 

 

push POWER to turn power ON.

• The internal CPU is reset.

• The CPU start-up takes approx. 5 sec.

• The transceiver displays its initial VFO frequencies when resetting is complete.

e Correct the set mode settings after resetting, if de- sired.

NOTE: Resetting CLEARS all programmed con- tents in memory channels and returns programmed values in set mode to default values.

ALL CLEAR

13-7