Icom IC-R7000 Instruction Manual

· .. SE~TION 7· TROUBlESHOOllNG ·
PROBLEM
1 . Power does not come
on
when the POWER SWITCH
is pressed.
2. No
sound comes from the
speaker.
3. Sensitivity is low and only
strong signals are audible.
4.
Only
unintelligible voices
can be heard during SSB
reception.
5.
Voice
distortion
on FM
stations and TV broadcasts.
6. Frequency does not change
by rotating the TUNING
CONTROL.
7. Memory channel does not
change when
[MEMORY
CH] CONTROL is turned.
8. Scanning does not operate
when
a SCAN START/
STOP SWITCH is pressed.
9. No voice output
occurs
when [SPEECH] SWITCH
is pressed.
Your IC-R7000 has been carefully adjusted at the factory prior to
shipping. The chart below is provided to help you correct problems
that are not equipment malfunctions.
If you are unable to locate the trouble or correct the fault, please
contact your dealer or the nearest ICOM Service Center.
POSSIBLE CAUSE
SOLUTION
• Power cable is improperly connected.
• Carefully ~econnect power cable.
• Power supply connection is impaired.
• Inspect connection pins.
• Power supply is not connected.
• Reconnect.
• Blown fuse.
• Check
for the cause, then
replace the
- fuse with a spare one.
• AF GAIN CONTROL is turned com- • Rotate the control clockwise to a suitable
pletely counterclockwise.
level.
•
SQUELCH CONTROL is operating.
• Turn
the
SQUELCH
CONTROL
com-
pletely counterclockwise.
• Connection cable
to
the external • Inspect and repair connection.
speaker is broken.
• Headphones
are
connected to the • Unplug the headphones.
PHONES JACK.
.
• Attenuator is operating. • Turn the [ATT]
SWITCH off.
• Antenna is defective or the coaxial • Inspect
and repair antenna and
coaxial
cable
has
an
electrical short or cable.
broken wire.
• Receive frequency and the receivable • Change antennas.
frequency range
of the antenna are
not compatible.
• Receiving the wrong sideband.
• Select
the
opposite sideband
(USB
or
LSB).
•
Mode displayed is not "FM".
• Press the [ FM] MODE SWITCH.
•Selector switch for FM (2)- FM (1)
• Set at FM (2).
on rear panel is in FM (1) position.
• LOCK SWITCH is engaged.
I
• Disengage
lock by pressing
LOCK
SWITCH.
• LOCK SWITCH
is engaged.
• Disengage
lock
by
pressing
LOCK
SWITCH.
•
Proper scan
setting
has not been • See SECTION 5-5 for instructions.
programmed.
I
• Voice synthesizer unit is not incorpo-
• Install optional
IC-EX31 0 Voice Synthe-
rated in the receiver.
sizer
unit.
-31-
I

Icom IC-R7000 Specifications

General

Brand	Icom
Model	IC-R7000
Category	Receiver
Language	English