Icom IC-F1010 User manual

lc-Frolo
lc-Flo2()
lcom
Inc.
VHFPRIVATEMOBILERADIO
lc-Frolo
VHFLANDMOBILERADIO

.:,G
INTRODUCTION
Thisservice
manual
describesthe
latestserviceinformationfor
thelGFl010
VHFPRIVATEMOBILERADIOandlC-Fl020
VHFLAND
MOBILERADIOatthetimeof
publication.
To
upgrade
quality,
anyelectricalor
mechanical
parts
and
internalcircuitsaresubjecttochange
withoutnotice
or
obligation.
ORDERING
PARTS
Besuretoincludethefollowingfour
points
whenordering
rep!acementparts:
1
.lGdigitorder
numbers
2.
Component
pad
number
andname
3.Equipmentmodelname
andunitname
4.
Quantity
required
dAMPLEORDER>
1110003570
S.lC MC3372 lC-F1010MAINUNIT 5
pieces
8810008660ScrewBTM3x8NI-ZUlGF1010Bottomcover10
oieces
Addresses
are
orovidedonthe
inside
backcover
for
vour
convenience.
DANGER
NEVER
connect
thetransceiver
toan
AC
outletortoa DC
power
supply
thatusesmore
than16
V. Thiswillruin
the
itransceiver.
DONOT
exposethe
transceiver
torain,
snoworany
liquids.
DONOTreverse
the
polarities
ofthe
power
supplywhen
connecting
thetransceiver.
DONOT
apply
anRFsignal
ofmorethan20
dBm
(100
mW)
to
theantenna
connector.
Thiscould
damagethe
transceiver's
front
end.
I
REPAIR
NOTES
Make
sure
aproblem isinternal
before
disassemblingthe
transceiver.
DONOT
open
thetransceiver
until
thetransceiveris
disconnected
from
its
power
source.
DONOT
force
anyof
the
variable
components.Turn
them
slowly
andsmoothly.
'
DO
NOT
shorlany
circuitsor
electronic
parts.
Aninsulated
tuning
toolMUST
be
used
for
alladjustments.
DONOT
keep
power
ONfor
a long timewhen
the
transceiveris
defective.
DONOT
transmit
power
into
asignal
generator
or
asweep
generator.
ALWAYS
connect
a40
dBto50dBattenuatorbetween
the
transceiver
and
a deviationmeter
orspectrum
analyzerwhen
using
suchtest
equipment.
READ
theinstructions
oftest
equipmentthoroughly
before
connecting
equipment
tothetransceiver.
a
5.
7.

)c
he EXPLICIT
DEFINITIONS
b.
en
to
t's
Model Version
number Frequency
covelage Channel
spacing Power
rc-F1010
tPMRl
#o1 L-band,
136-155
MHz 12.5 kHz 25W.
30W
#02 L-band, 136-155
MHz 25 kHz 25W.
30W
#03 H-band,146-174MHz 12.5 kHz 25W.
30W
#04 H-band.146-17
4 MHz 25 kHz 25W.30W
#o5 H-band,146-174MHz 12.5 kHz 10w
#06 H-band,
146-174MHz 25 kHz 10w
tc-F1020
ILMRI
#o1 L-band.
136-155
MHz 30 kHz 45W
#o2 H-band,
146-174MHz 30 kHz 45W
#03 L-band. 136-155
MHz 25 kHz 40w, 50w, 60w
#04 H-band.
146-174MHz 25 kHz 40w, 50w, 60w
TABLE
OFCONTENTS
c
SECTION
SECTION
SECTION
SECTION
SGTION
mcTrciil
!86'noll
GO'nOH
tEgTptl
tEgmffi
smil
GmEfl
1 SPECIFICATIONS
2 TNSTDE
VTEWS
3 OPTIONINSTALLATIONS
4 CIRCUITDESCRIPTION
4
-1 RECETVER
C|RCUITS ......................4
_
1
4
-2 TRANSMTTTER
C|RCU|TS ...............4
_
2
4
-
4 POWER
SUPPLY
CIRCUITS ............4
-3
4
-5 PORT ALLOCAT|ONS....... ................4
_
4
5 ADJUSTMENTPROCEDURES
5
-
3 RECEIVER
ADJUSTMENT
.................. ..................5
_
3
5-
4 TRANSM|TTER
ADJUSTMENT............. ................5
_
s
6 PARTS
LIST
7 MECHANICAL
PARTS
ANDDISASSEMBLY
8 SEMI.CONDUCTOR
INFORMATION
9 BOARD
LAYOUTS
10 OPTIONALUNITS
10-1
10
-
3 RMK-1
SEPARATION
K1T.....-..... ....10
-2
11 BLOCK
DIAGRAM
12 VOLTAGE
DIAGRAM

rc-F1010 tc-F1020
E
IIJ
z
IJJ
(9
Frequency
coverage 1
36-155MHz
(L-band)
146-174MHz(H-band)
Mode 16KOF3E (Wide-type)
8K5OF3E
(Narrow-type) 1
6KOF3E
Numberof channels 32 (Standard),
160
(with optionat
EX-1761)
Channelspacing 25 KHz
(Wide-type),
12.5KHz (Narrow-type)
(PLL
step : 5KHzand 6.25KHz) 30KHz, 25KHz
(PLL
step : SKHz
and 6.25KHzl
Antennaimpedance 5OO (nominal)
Usabletemperaturerange -3OoC
to 6OoC
(-22oF
to +14OoFl
Powersupplyrequirement 13.2VDC (negative
ground) 1
3.6VDC (negative
ground)
Currentdrain Receive
standby : TOOmA
max. audio
: 1.2A
Transmit
10W 34. 25W 7A,3OW 8A, 4OW 12A, SOW13A. 6OW 1bA
Dimensions 150(Wlx50(Hlx 180(Dlmm;s2el32{W)
x131/32(H}
x73l32(D)
in
Weight 1.5
Kg; (3
lb 5oz)
Frequency
tolerance +o.ooo506 +0.OOO30/6
Measurement
method EIA/TIA-204D
E
l!
UJ
o
t!
E,
Sensitivity O.2O
pV for 12dBSINAD
typ.
Receive
system Doubleconversion
Superheterodyne
Intermediatefrequencies 1st:21
.8
MHz 2nd:455
KHz
Adjacent
channelselectivity -75dB
(Wide-type)
-70dB
(Narrow-type) -75dB
Spuriousresponse
rejection -75dB -80
dB
Intermodulationrejection -70dB -70dB
Audio frequencyresponse -3dB to +1dB in a 6dB/octave
range
with 3OOHZ
to 3OOOHzmodulation
Hum and noise -45
dB -50d8
Modulation
acceptance +7 kqz
Audio output power 4W at 50/6
distortionwith a 4c! load typ.
Squelch
thresholdsensitivity 0.21 pV (pd)
E
l!
F
o
z
E,
RFoutput power 10w, 25W,
30W
and2 programmable
low power
levels 40w, 50w,60w
and2 programmable
low power
levels
Modulation
system Variable reactance
frequencymodulation
Max.frequency
deviation t5 kHz
(Wide-type),*2.5
kHz (Nanow-type) *5 kHz
Spurious
emissions -75dB -80dB
Adjacent channel power -70dB(Wide-type)
Audiofrequency
responce -3dB to +1dB in a 6dB/octave
range
with 3OOHZ
to 3OOOHz
input
Hum and noise -45d8 -50dB
Audioharmonic
distortion 5%
Limiting
of modulator TOVo
to 10O06
deviation
All stated specificationsare subjectto changewithout notice or obligation
1-1

o
lc-Fl010
PA
power
module-
AFpower
amplifier
(lC8:LA4425A)
VCO
circuil
Reference
oscillator
circuit
(X3:
CR-507)
PLL
circuit
Level
controller
(lC5:
M62363FP)
. tc-F1020
PA
power
module*
AFpower
amplifier
(lC8:1A4425A)
VCO
circuit
PLL
reference
TCXO
(X3:CR-541)
Level
controller
( lC1
1:
L-band
SC-1321 )
\ H-band
SC-1188 /
I lCl1:
L-band
MOB702L '\
\ H-band
M68702H )
Low-pass
filter,
Antenna
switching
circuil
RX1st
mixer'
(Q2:
35K166)
RXfront-end-
(Q1:
3SK116)
1stlF
filter
FMIF
IC-
(lC1:
MC3372VM)
Microphone
amplifier
circuit
(1C22:pPC5023GR)
- Located
under
side
ofthe
point
Low-pass
filter,
Antenna
switching
circuit
RX1st
mixer'
(Q2:
3SK166)
RXfront-end'
(Q1
:3SK1
16)
1st
lFfilter
FM
IF
IC-
(lC1:
MC3372VM)
Microphone
amplif
ier
circuit
(1C22:
pPC5023GR)
(lC5:M62363FP)
2-1
Located
under
side
ofthe
point

. Openingcovers
Remove
4screws
from
bottom
covers.
o
OPC-617connection
Connect
toJ4
Breakthe
jack
plate
usingcutting
pliers
toconnect
theOPC-617.
oInstallation
location
Install
optionunits.
OPC-617ACC
CABLE:J4
UT-96s-TONE
UNIT ) .^
orUT-802-TONE
UNITJ
'ro
EX-1761MEMORY
EXPANSION
UNIT:J7
oPc-617
PINASSIGNMENT
o@o
q'B
*sR:>
Pin
No.Terminal name Description Specification
1DIM Backliqht
controlinput +5to+30Vfordark
2PAAF AFoutputfor
public
address
andExtSP
functions 0to330
mVrms/
47
kA
3Dtsc AF
outputfor
aterminal
unit 330mVrms/100
kQ
4IN AF
inputfor
a
terminal
unit 330mVrms/1200
bps
5PTT PTT
control
input 0Vfortransmit
oHORN Groundedwhenreceiving
thespecified
call Lessthan
50mA
when
grounded
7PAAF
E] GroundforPAAF
8Drsc
e) Groundforterminal outout
orN
e) Groundforterminalinout
3-1

oRMK-Iconnectaon
O Remove3 allen-socketbolts
from
thefront
plate
using
anallen-wrench
(1/32
in).
@Separate
thefrontunit
from
thetransceiver
mainunit.
@Attach
the'RMK-1
rearunitattachment'to the
transceiver
mainunitusingthesupplied
screws.
@Remove4 screws
fromthe attachmentto openthe
rear
plate.
@
Connect
oneofthree
following
optional
seperation
cablesto the insideoftherear
plate
andtightenthe
cable
lugusingthescrew. Separation
OPC-607
(3m)) Not permitted
forEuropean
OPC-608
(8
m)
J countries
OPC-609
(1.9
m)
@Re-attachtherear
plate.
O Remove4 screws
f
romthe 'RMK-1
frontunit
attachment'to
openthe
rear
plate.
@
Connect
theotherendoftheoptional
separationcable
totheatachementandtightenthecable
lugusingthe
screw.
@Re'attach
therear
plate.
RMK-1
rear
unit
attachment
Supplied
screws
withthe
RMK-1
Separation
cable
il
,l @
Attactrthe frontunitand
removedallen-socketbolts. attachmentwiththe3
RMK-1
front
unitattiachment
3-2

4.1 RECEIVER
CIRCUITS
4.1.1 ANTENNA
SWITCHING
CIRCUIT
The
antennaswitchingcircuitfunctions
asa low-pass filter
whilereceivingandaresonator
circuitwhiletransmitting.
The
circuit
doesnot
allowtransmitsignalsto
enter
receiver
circuits.
Receivedsignalsenter
theantennaconnector
(J1)
and
pass
through
thelow-pass
filter.Thefiltered
signalsare
passed
through
the
U4type antennaswitchingcircuit
(D4-D6)
and
apply
theRF
circuit.
4.1.2 RFAND1STMIXER
CIRCUITS
The1stmixercircuitconverts
the
received
signal
to
fixed
frequency
ofthe
1st
lFsignalwiththePLL
outputfrequency.
By
changingthe
PLLfrequency,
onlythe
desired
frequency
will
be
passed
through
apair ofcrystalfiltersatthenext
stageof
the
1stmixer.
The
signals
from
theantennaswitching
circuitare
passed
throughthetunablebandpassfilter
(D8,
L9)andamplified
at
the
RF
amplifier
(Q1).
The
amplifiedsignals
areagain
passed
through
thetunable
bandpass
filter
(D9,
D11,L11
,L13)
and
applied
to
the
1stmixer.
Thefilteredsignalsaremixedatthe1stmixer
(Q2)
withthe1st
LO
signal
comingfrom
the
RxVCO
circuitto
produce
1stlF
signal.
The1stlF
signalis
passed
through
the
matching
circuit
(L15,
L52)andthe
pair
ofcrystal
filters
(Fl1).
Theliltered
signal
is
amplifiedatthe
1stlF
amplifier
(Q4)
andapplied
tothe
2ndlFcircuit.
4-1.3 2NDIFANDDEMODULATOR
CIRCUITS
The2ndmixer
circuitconvertsthe
1stlF
signalto
a2ndlF
signal.
A double-conversionsuperheterodyne
system
improvesthe
imagerejectionratio
andobtainsstablereceiver
gain.
The1stlFsignalfrom
Q4
isapplied
tothe
2ndmixer
sectionof
lC1
(pin
16)and
is
thenmixedwiththe2ndLO
signal
for
conversionto
455kHz
2ndlFsignal.
lC1containsthe
2ndmixer,
2ndlocaloscillator,limiter
amplifier,
quadrature
detectorandaudioamplifier.Thelocal
oscillatorsection
generates
21.345MHz
using
X1.
The2ndlFsignal
from
the2ndmixer
(lC1pin
3)passes
through
theceramicfilter
(Fl2)
to suppressunwanted
heterodyned
frequency
signals.
ltis
thenamplified
atthe
limiter
amplifier
section
(lC1pin
5)andappliedtothe
quadrature
detectorsection
(lC1pins
7,8 andX2)to
demodulate
the
2ndlF
signal
intoAF
signals.
TheAFsignalsareoutput
from
lC1
(pin
9)andare
thenapplied
totheAFcircuit.
. 2NDlF
AND
DEMODULATOR
CIRCUITS
4-1-4
AF
CIRCU|T
AF
signalsfrom
lC1
(pin
9)
areamplified
attheAF
amplifier
(lC2)
and
are
thenapplied
tolC3.lC3a/b
arehigh-pass
fitters
yrthose
characteristics
arecontrolled
bythe
"HFSW"
line.
When
"HFSW"
is
"High,"
thecut
off
frequency
is
shiftedhigher
toremove
CTCSS
orDTCS
signals.
Thefiltered
signalsfrom
lC3
(pin
1)
are
passed
through
thede.
emphasis
circuit
(R68,
C74)withfrequency
characteristics
of
-6 dB/octave,
and
arethen
appliedto
theelectronicvolume
controller
(lC7)
via
theAFmute
switch
(Q6).
Output
signalsfrom
lC7
(pin
9)areapplied
totheAF
power
amplifier
(lC8)
todrivethe
speaker.
4.1-5RECEIVE
MUTE
CIRCUITS
o
NOISE
SOUELCH
Asquelch
circuit
cutsoutAF
signalswhen
noRF
signal
is
received.
Bydetecting
noise
componentsin
theAFsignals,
the
squelchcircuit
switches
theAFmute
switch.
Aportion
of
theAF
signalsfromlCl (pin
g)
are
apptiedtothe
activefilterin
lC1
(pin
10).
Noise
components
about10kHz
are
amplified
andoutputfrom
pin
11.
Thenoise
signalsfrom
lC1
(pin
11)
are
passed
throughaievel
controller
(f
C5
pins2l,22),
andarethen
converted
tothe
pulse
signal
(NOIS)
at
Q9
and
Q10.
The
"NOIS"
signalfrom
Q10
is
appliedtotheCPU
(1C20
pin
19).Then
the
CPUanalyzes
thenoise
conditionandcontrols
the
"AMUT"
and
"SP"
ports
tocutoff
the
AF
signalusingAF
switches
(Q6,
O7).
2nd.lF
signal
455kHz
-
4-1
-

plifier
ffters
I
line.
igher
ede'
bs of
fume
r CTCSS
ANDDTCS
Aportion
ofthe
AF
signalsfrom
theAF
amplifier
(lC2)pass
throughthelow-passfilters
(lC4alb)
andare
thenamplified
at
thetone
amplifier
(lC28a).
The
signals
areapplied
tothe
CTCSSdecoderinside
theCPU
(1C20
pin
98)tocontrolthe
UAMUT"
and
"SP"
ports.
When
theDTCSsystemisinuse,
theamplified
signalsare
convertedinto
digitalsignals
atlC28b,
thenapptied
tothe
DTCS
decoderinside
theCPU
(1C20
pin
23).
The
"LFSW"
port
(1C20pin
62)
controls
theLPF
(lO4a)
characteristics
toshiftthe
cut-offfrequency
for
CTCSS
and
DTCSseparately.
+2 TRANSMITTER
CIRCUITS
4.2.1 MICROPHONE
AMPLIFIER
CIRCUIT
The
microphone
amplifier
circuit
amplifies
theaudiosignals
with+6 dB/octave pre-emphasis
characteristiesfrom
the
microphone
toa levelneeded
for
themodulation
circuit.
AF signals
(MlC)
from
the FRONT
unitviaJ5 (pin
't0)
are
applied
totheaudio
switch
(1C25).
While
transmitting,
the
MCON
signalfrom
theCPUis
"High"
andtheAF
signals
pass
tothemicrophone
amplifiercircuit.
The AF signalsfrom lC25areapplied
to the microphone
amplifierlC
(1C22)
via
the
preamplifier
(lC21b).
The
amptified
signals
areappliedto
the
limiter
amplifierin1C22,
The entered
signals
(1C22
pin16)
arepre-emphasized
with
+6 dB/octave
at a limiter
amplifier,
then
passed
throulh a
splutterfilter.Theoutput
signalsfrom
pin
8 pass through
the
level
controller
(lC5pins
4, 3) andare
thenapplied
to the
modulation
circuit
(D23,
D46)viaQ52.
4-2.2 MODULATION
CIRCUIT
Themodulation
circuit
modulates
theVCO
oscillating
signal
(RF
signal)using
themicrophone
AF
signals.
o
MICROPHONE
AMPLIFIER
CIRCUIT
TheAF
signalsfrom
Q52
change
thereactance
ofD23
and
D46
tomodulate
the
oscillated
signal
atthe
TxVCO
circuit
(O23).Themodulated
signalisamptified
atthebuffer
amplifiers
(Q19,
Q20)
andis
thenapptied
to
thedrive
amptifier
circuit.
The
CTCSS/DTCS
signalsfrom
lC5
(pin
2)arearnptified
at
lC21a,
andare
applied
tothereference
oscillator
circuit
(e34,
X3,
014for
tC-F1010
0rX3;tC29
for
tC-F1020)
tomodutate
the
oscillated
signal.
4.2-3 DRIVE/POWER
AMPLIFIER
CIRCUITS
The
signalfrom
the
buffer
amplifier
(Q20)
is
passed
through
theTx/Rx
switching
circuit
(D17),
and
amplified
by
thedriver
(O15-Q17)
andthe
power
modute
(tC1
1
)toobtain
25W
(lC-F1010)
or45W
(lC-F1020)
ofRF
power.
The
amplified
signal
is
passed
through
theantenna
switching
circuit
(D4),
low-pass
filter
and
APC
detector,
andis
then
applied
tothe
antenna
connector.
The
collector
voltages
for
drivers
(Q15,
Q16
for
lC-F1010;
Q16onlyfor
lC-F1020)
comefrom
theMTSV
regutator
(e38).
The
transmit
mute
switch
(Q39)
controls
theregulator
when
transmit
muteis
necessary.
4-2-4APC
C|RCU|T
TheAPCcircuit
protects
the power
module
(1C11)
froma
mismatched
outputload
and
stabilizes
the
output
power.
The
APC
detector
circuit
detects
forward
signals
andreflection
signals
atD3
andD1
respectively.
The
combined
voltage
is
at
a minimum
level
when
theantenna
impedance
ismatched
at
50
Oandisincreased
whenitismismatched.
The
detected
voltage
is
applied
totheinverse
amplifier
(lC10b
pin
5),
and
thepower
settingvoltage
(PSET)
isapptied
tothe
other
input
(lC10b
pin
6)via
the
amplifier
(tC10a).
When
antenna
impedance
is mismatched,
the detected
voltage
exceeds
the
power
settingvoltage.
Then
the
outputvoltage
of
theinverse
amplifier
(lC10b
pin
7)
controls
theinput
current
of
the
power
module
(lC1
1)
(and
Q15
for
lC-F
j020)
todecrease
the
output
power.
. APC
CIRCUIT
ral
is
mls,
hryel
r.dse
o
the
tWlz
Ipin
tsols
IAF
4-2

4.3 PLL CIRCUITS
4.$1 PLLCIRCUIT
A PLL
circuit
provides
stable
oscillation
ofthetransmit
frequency
and
thereceive1stLO
frequency.The
PLL
circuit
consistsof
thePLL
lC
(1C12),
charge
pump
and
loopfilterand
employs
apulse swallow
counter.
Signals
from
the
VCOthrough
butferamplifiers
(Q19,
Q18)
are
prescaled
inthePLL
lC(1C12) based
onthedivided-ratio
(N-
data).
The
PLLlCdetectsthe
out-of-step
phase
usingthe
reference
frequencyand
outputs
itfrom
pin
6. Theoutput
signalis
passedthrough
thecharge
pump
(Q3GQ33)
and
loop
filters
(R154/C181
,R153/C179),
and
is
thenapplied
tothe
VCOcircuitas
thelockvoltage.
Theaccelerator
switch
(lC13a/b)
selects
theeffective
loop
filtertoaccelerate
the
lockupspeed.
The
lockvoltageisalsoused
forthe
receiver
tunable
bandpass
filters
to match
thefilter'scenter
frequencytothe
desired
receive
frequency.
The
lockvoltage
isamplifiedat thebuffer
amplifier
(Q29)
and
isthenapplied tothebandpass
filters
(D8-D11).
4-3-2
VCO
ClRCUlr
TheVGOcircuit
containsaseparate
Rx
VCO
(Q21
,D19,D20,
D40,
D41)
and
TxVCO
(Q23,
D21,D22,D42,D43).
The
oscillated
signal
isamplifiedat
thebufferamplifiers
(Q19,
Q20)
and
isthenapplied
tothe
Tx/Rxs'lvitchingcircuit
(D17,
D18).
ThentheRxsignal
isapplied tothe1stmixer
(Q2)
viathe
amplifier
(Q3)
and
the
Txsignaltothedriver
(Q17).
A portion ofthesignal
from
Q19
isamplifiedatthebuffer
amplifier
(Q1
8)and
isthen
fed
back
tothePLLlC
(1G12
pin
11
)
as
thecomparison
signal.
. PLL
GIRGUIT
BLOCKDIAGRAM
4.4 POWER
SUPPLYCIRCUITS
4.4.1 VOLTAGELINES
Rx
VCO
Q21,
D19,D20,
D40,
D41 To
Tx/Rx
switch
EEfJrru,,
LINE DESCRIPTION
HV Thevoltagefromthe
extemal
power
connector.
vcc The
same
voltage
as
the
HV
linewhichis
controlled
by
nPWONn
signalfromthe
CPU
(1C20
pin
67)usinga
switching
FET
(O12).
CPU5V Common5V converted fromtheHVlineatthe 5 V
regulatorlC
(1C17).
Thisvoltageis
supplied
to
the
GPU
regardless
olthe
power
switch.
+5V Common5Vconverted fromtheVCCline
atQ42,Q43
and
D30
usingtheGPUSV
line
as
thereferencevoltage.
{8V Common8Vconverted fromtheVCClineat1C16.
R8V Receive
8Vcontrolledby
"VRX"
signal
fromtheCPU
(1C20pin
66).Thisvoltageisconverted
fromtheVCG
line
at
Q36
andD27using
the+8Vline
as
thereference
voltage.
T8V Transmit
8Vcontrolledby
"VTX"
signal
fromtheCPU
(1C20pin
65).Thisvoltageisconverted
fromtheVCG
line
at
Q40
and
D29
using
the+8Vline
as
therelerence
voltage.
MTSV Transmit
8Vcontrolledby
'TMUT'signal
lrom
the
CPU
(1C20pin
60).This voltageisconverted
fromtheVCC
line
at
Q38
andD28usingthe+€Vlineasthereference
voltage.
t
trfil
fifir|fil
l!iltr
,fi!
inl
rffi
]il1
ffi
ilo
TN
gil
3n
m
@
6
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U
m
ro
"{mlill
{[tr
{6
4fr
ffi
1f
1m
-.il
1[
m
g
@
fl
:@
U
Q23,D21,D22,D42,D43
4-3

+5 PORT
ALLOCATIONS
.1
trr"a
ttl
lustng
a I
,U."-l
rrecPU
I
142,
O43|
rroltaOe.
I
cld I
tt" cru |
heVcC
I
ierence
I
----t
hecPu
I
nevcc
I
*rcnce
I
hecPu
I
lEvcc
I
j
+5-1 CPU
0C20)
PIN
No. PORT NAME DESCRIPTION
1AFV Input
port
forthe
volume
control.
11 SHIFT Output poft
forthe
CPU
clockshift
signal.
12 SCK Usedfor
C-busline
toan
optional
unit
(J6).
3SI
4SO
6,
8cLl lnput
ports
forthe
cloning
data.
7cLo Output port
for
the
cloning
data.
oNOIS Noise
pulse
input
port
forthe
squelch
control.
20 CIRQ Usedfor C-busline
to anoptional
unit(J6).
21 POSW Input
port
for
the
power
switch.
LOW:Power
switchis
pressed.
22 ccs Usedfor
C-buslinetoan
optionalunit
(J6).
23 DDEC Input port
for
DTCS
decoding.
32-
35 cTN3-0 Output
ports
for
CTCSS/DTCS
encoder
signals.
36 PTTO Output
port
for
thePTT
control
signal.
LOW:Tx
38 DECO Output
port
for
CTCSS/DTCS
tone
matched
signal.
39 PTTI Input
port
for
thePTT
control
signalfrom
PTTO
port.
40,
41 VER1, VER2 Reserved
forinitial
setings.
42 ECK Outputs
clocksignals
toEEPROMs.
43 ESI Serialdatainput
port
forEEPROMs.
44 ESO Outputs
serialdatato
EEPROMs.
45,
46 ECS1,
EC52
Output
ports
for
chipselect
signals.
ESC1:
EEPROM
(1C27'),
ESC2:
OptionalEEPROM
(J7)
47 PDA Outputs
serialdatato
thePLLlC
(1C12).
48 PCK Outputs
clocksignals
tothePLLlC
(1C12).
49 UNLK Input
port
forthe
PLL
unlock
signal.
HIGH:
PLL
unlock
50 PSTB Outputs
astrobesignal
tothePLLlC
(1C12).
51 PLLT Output port
lora PLL
acceleration
signal.
53 DDA Outputsserial
datatothelevel
controller
(lC5).
54 DCK Ouputs
clocksignals
tothelevel
controller
(tc5).
56 DSTB Outputsastrobe
signaltothe
level
conlroller
(rc5).
sPASP Output
port
for
a"public-address"mute.
HIGH:
PA
andExtSPfunctions
are
not
used.
57 SP Output
port
lor
the
audiomute
signal
(incl.
beep).
HIGH:Mute
mlFsw Ouputs
aselecting
signal
ofRX HPF
characterislics.
HIGH:
Filters
out
CTCSSfreq.
PIN
No. PORT
NAME DESCRIPTION
59 PA Outputs
amic
audio
selectorsignal.
HIGH:
"Public-address"function
is
ON.
60 TMUT OutputsTxmute
signal.
HIGH:
Txmute
61 HORN Outputs
an
extemal
device
control
signal.
"HIGH"
for
the
period
of
the
EXO
timerwhen
receiving
amatched
2-orS-Tone
code.
&DIM Input
port
foran
external
dimmer
control
signal.
LOW:
LCD
backlight
isdimmed.
65 VTX OutputsTx
switching
signal.
During
Tr LOW
66 VRX Outputs
Rx
switching
signal.
During
Rx:
LOW
67 PWON Output
port
forthe
power
control.
HIGH
to
turn
ONthe
power
79 MCON Output
port
for
MICmute
control.
LOW:
MICmute
80 AMUT Output
port
for
RxAF
mute
control.
HIGH:
Rx
AFmute
81 MMUT Input
port
forMIC
mute
signalfrom
anoptional
unil
(J6). LOW:
MIC
mute
82 RMUT Input
poit
for
AFmute
signalfrom
the
optional
unit. LOW:AFmute
83 AUX Reserved
for
inputfrom
anoptional
unit
(J6).
84 BUSY Output
port
for
BUSY
signaltoan
optional
unit
(J6).
85 AFON lnput
port
forthe
AF
amplilier
ONsignalfrom
anoptional
unit
(J6).
86-
88 oPTl-3 l/O
port
lor
anoption
unit
(J6).
90 BEEP Output
port
for
the
beepsignal
(sine
wave).
91 DTMF Output
port
for
theDTMF
signal
(dual
tone).
94-
96 oPV3-1 Itrput
ports
forthe
option
connector
state
(J6).
97 THRM Input
port
for
thetransceiver's
internal
temperalure.
99 RSSI Input
port
forRx
signal
strengthlevel.

5.1
INITIAL
SET
MODE
The
following
items
can
be
adiusted
vialnitial set Mode
without
opening
the
transceiver's
case'
I ENTERING
INITIAL
SET MODE
OTurn
the
transceiver
Power
OFF
@While
pushing
@ andFl ,
turn
power
ON
r Bank
number
appears
regardless
of
the
channel
separation
type,'bank'
or'free.'
@Push
@ ,ocycle
through
the
initial
setmode
items.
NOTE:Initial
setMode
access
can
!e inhibited
through
PC
programming.Insuch
cases,
[Fol cannot
be used
andonly'DISPIAY'setting
can be done' Askyour
Dealer
orlcomService
Center
forPC
programming.
Bank
number
f t',c
F-
LInn
I SELECTABLE
ITEMS
No. ITEM SELECTABLE
CONDITIONS
@@@
1DISPLAY Backlight Contrast
2AF/SOUELCH Squelch
level Minimum
AF
level
3BEEPTONES Link
ON/OFF Beep
tones
ON/OFF Beep
level
4DEVIATION DTCS
balance Tone
deviation Max.voice
deviation
5S.METER Indicate
thereceived
signal
level
regardless
of [P1] to [P3]
keys
6TXPOWER Low1 Low2 High
I SELECTION
METHOD
MODE
No. ITEM METHOD NOTE
I
IDisplay
backlight Push[Pr] toselect
'dark'
or'bright.'
Display
Contrast Rotate
thevolume
control
while
pushing(F).
;,
Squelch
level Rotate
thevolume
control
while
pushing
(E).
Minimum
AF
level Rotate
the
volume
control
while
pushing
(El'
l
Link/unlink
beep
tones
with
the
volume
control Push@,o select'link'
or'unlink.' 2beeps:
link; 1beep:
unlink
BeepON/OFF Push@ t" turnbeep
ON
andOFF. 2 beeps:
ON 1 beep:OFF
Effective
afterexiting
InitialSet Mode
Maximum
beep
level Rotate
thevolume
control
while
pushing
[El,
Ll
DTCS
balance Rotatelhe
volume
control
while
pushing
[Fil. Automatic
transmission
while
pushing
thekey.
CTCSS/DTCS
Tonedeviation Rotate
the
volume
control
while
pushing
[FIl. Automatic
transmissionwhile
pushing
thekey.
Separatesetting
forCTCSS
andDTCS
deoendinoon
the
oroorammed
tone
system,
Maximum
voice
deviationRotate
the
volume
control
while
pushing
(E ). Automatic
transmission
while pushing
the key.
5S-meter
level Receivedsignallevelisshownin the display.
fi Transmit
low
Power
(L1) Rotate the
volume
control
while
pustring
(El. Automatic
transmission
while
pushing
the
key.
Transmit
low
power(L2) Rotate
thevolume
control
while
pushing
[El. Sameas above.
Transmit
high
power(H) Rotate
thevolume
control
while
pushing
[F[]' Sameas above.
5-1

ur3
Tx lockvoltageadlustment
L38
Rxlock
voltageadjustmenl
5.2 PLL ADJUSTMENT
L.V.
Lockvoltagecheck
point
Cl93 gc-rroroy
R376
1tc-rrozol
Ref.
freq.adlustment
E-l
il.t
;l
=
ruml
bvel I
;;l
J
roiceI
iion I
-l
;tI
=
--l
-
lI
-l
l
b rev.
I
rrl
rEm. I
;;l
*'l
1
_l
ATLIIISTMtrNT ADJUSTi'ENTCONDITIONS MEASUREMENT VALUE
AINUSTI,|EiIT
POINT
UNIT LOCATION UNlT At'JUST
PLL
LOCK
VOLTAGE
1r Operatingfrequency:136.000
MHz
r Receiving MAIN connect
thedigital
multi-meter
oroscil-
loscope
tothecheck
point'L.V."
3.0v MAIN 138
2. Operatingfrequency:174.000MHz
r Receiving 10-14V Verify
3oOperating
frequency
:136.000
MHz
o Transmitting 3.0v L43
4r Operatingfrequency:
174.000MHz
o
Transmitting 10-14
VVerify
PLL
REFERENCE
FREQUENCY
1r Operatingfrequency:
Any
o
Transmitting MAIN Loosely
couple
the
frequency
counter
to
the
antenna
connec-
tor.
Thesame
fre
quency
as
programmed.
MAIN c193
(rc-F1010)
R376
(rc.F1020)
00000
5-2

5.3 RECEIVERADJUSTMENT
ADJUSTMENT ATNUSTMENTCONDMONS MEASUREMENT
METHOD
ATUUSTMENT
VALUE METHOD
RECEIVER
SENSITIVITY . Operating
frequency:136.00OMHz
o
Connect
the
SSG
tothe
antennacon-
nectorandset
as:
Level :5.6u\fr(-92 dBm)
Modulation
:OFF
oConnect
a4Q load
totheexternal
speaker
jack.
r Enter
lnitialSet
ModeNo.5
Referto p. 5- 1fordetails.
o Receiving
Numberdigits
in
the
LCD
!!!!!!!t!!
tft ,ft tft tft tf
Maximum
indi-
cation Insequence
adjust
L9,Ll1,
Ll2,L13
onthe
MAINunit
NOISE
SQUELCH
THRESHOLD
POINT
1. Makesurenosignalis
beingappliedto
theantennaconnector.
r EnterlnitialsetmodeNo.z
Referto p. 5- 1fordetails.
o
Operating
frequency:Any
oReceiving
Speakerbutput Audionoise
just
disappears. Rotate
volume
control
while
pushing
[Pz].
2o
Connect
the
SSG
totheantennacon-
nectorand
set
as:
Level :
0.25
u\[ (- 119dBm)
Deviation:
+3.5
kHz
(wide-type)
+1.75kHz
(narrow-type)
Modulation:1kHz
Squelchopens Verify
BEEP
LEVEL 1r EnterlnitialsetmodeNo.3
Referto p. 5- 1fordetails.
. Operating
frequency:Any
oReceiving
Speaker
output Desired
level. Rotatevolume
control
while
pushing
[Ps].
*Thisoutputlevelofthe standardsignalgenerator(SSG)isindicatedas SSG'sopencircuit.
5-3

POWER
SUPPLY
13.8V/ 15A
STANDARDSIGNAL
GENERATOR
130-200
MHz
- 127to - 17dBm (0.1
uV
to
32
mV)
v
ll
!! ilOOOOO I
ln=r
J t /-'-l- (_
LJ
eO
I
)
r)
c_) tl
I I oo
--,l
Ll3
LI2
Ll1
L9
Sensitivity
adjustment

TRANSM
ITTER
ADJUSTM
ENT
ADJUSTMENT ADJUSTMENTCONDINONS MEASUREMENT
METHOD
AB'I'STIIETT
YALUE METHOD
OUTPUT
POWER I. Operating
frequency:
155.000MHz
(low-band
type)
174.OOOMHz
(high-band
type)
r Enter
lnitialSetModeNo.
6
Refer td p. 5- t for details.
Connect
theRF
power
metertothe
antenna
connector. high Rotate
volume
control
while
pushing
[Ps].
Low Power
tL2l
Rotatevolume
control
while
pushing
[Pz].
Low Power
(L
1) Rotatevolume
control
while
pushing
[Pr].
NOTE:When
theRF
output
power
cannot
beset
withthis
procedure,
cloning
maybe
necessary
tocancel
theoutput
power
setting.
FM
DEVIATION 1r Operating
frequency:
136.000MHz
(low-band
Vpe)
146.000
MHz
(high-band
type)
r EnterlnitialSetModeNo.+
Referto
p.
5
- 1
fordetails.
. Apply
anAFsignalto
the
[MlC]iack:
1
kHz
135
mV
(lC-F1010)
t kHz
150
mV
(lC-F1020)
r Connect
theFMdeviation
meterto
theantennaconnectorandsetas:
HPF:OFF LPF:20KHz
De-emphasis:OFF
Detector :(P-P)12
Connect
theFM
deviationmeter
to
theantenna
con-
nectorthrough
the
attenuator.
+
4.2kHz
(rc-F1010
wide-type)
+ 2.1kHz
(tc-F1010l
narrow-type)
+4.1
kHz
(rc-F1020
wide-type)
Rotate
volume
control
while
pushing
[Ps].
DTCSTONE
WAVE
FORM
AND
DEVIATION
Ir Operating
frequency:
136.000
MHz
(low-band
type)
146.000NHz
(high-band
type)
r EnterlnitialSetMode No.
+
Referto
p.5-
1fordetails.
r Nosignalappliedtothe
[MlCliack.
r DTCS
code :007
Connect
the
oscil-
loscopetothe
FM
deviationmeter.
Maximum
wave
form Rotatevolume
control
while
pushing
[Pz].
2Set to flat wave Rotatevolume
control
while
pushing
[Pr].
3Connect
theFM
deviationmeter
to
theantennacon-
necter
throughthe
attenuator.
+0.5
kHz
(wide-type)
t 0.3
kHz
(nanow-type)
Rotate
volume
control
while
pushing
[Pz].
CTCSS
TONE
DEVIATION 1o
Operating
frequency:
136.000MHz
(low-band
Vpe)
146.000NHz
(high-band
type)
o Enter
lnitialSet Mode No.4
Referto
p.
5
- I fordetails.
r Nosignal
appliedto
the
[MlC]iack.
r CTCSS
tone
frequency:
88.5Hz
Connect
theFM
deviationmeter
to
theantennacon-
nectorthrough
the
attnuator.
+0.5
kHz
(wide-type)
+ 0.3kHz
(narrow-type)
Rotatevolume
control
while
pushing
[Pz].
5-5

POWERSUPPLY
13.8V/15A
ATTENUATOR
40
or
50
dB
00000
o t-loooo
I c:ro
bi-l
pin
4 (PTI)
5-6

IMA|N
U
IFRONT
UNITI
REF.
NO. ORDER NO. DESCRIPTION
I tcl
Ltc3
tc4
Q1
Q2
Q3
Q4
os
QO
or
02
D3
D4
D5
X1
L1
L3
R1
R3
R4
R5
RO
R7
Rl0
Rl1
R13
R14
R15
Rl6
Rl7
Rl8
R20
R21
R22
R26
R27
R28
R29
R30
R31
R32
R40
R4l
R42
R43
R44
R45
R46
R47
R48
R49
R50
R51
R52
R53
c3
c4
cs
I
r14000sse0
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7210002830
7030003440
7030003440
7030003680
7030003440
7030003440
7030003440
7030003440
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7030003400
7030003470
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s.tc HD404812D89H
s.lc S-8054A18-LM-T1
s.lc AN8o05M-(E1)
S.TRANSISTOR
DTAr14EU
T107
S,TRANSISTOR
DTCI14EU
TIOT
S.TRANSISTOR
DTClI4EU T107
S,TRANSISTOR
DTCI
14EUTIOT
S.TRANS|STOR
2SC408t
Tt07 R
S,TRANSISTOR
DTAl14EU
TIOT
s.DloDE 1SS353
TE-17
s.DloDE 1SS353
TE-17
S.DIODE DA2O4U
T107
S.DIODE DA2O4UT107
s.DloDE 1SS3s3
TE-17
S.CERAMIC PBRC
3.08AR
s.corL
s.cotL MLF16O8A
'ROK.T
MLFl6O8D
R22K.T
S.RES|STOR ERJ3GEYJ
lo4 V (1oo
kQ)
S.RES|STOR ERJ3GEYJ
822
V (8.2 kQ)
S.RES|STOR ERJ3GEYJ
103V 00 kQ)
S.RES|STOR ERJ3GEYJ
103V (lo kQ)
S.RES|STOR ERJ3GEYJ
123
V (12 kQ)
S.RES|STOR ERJ3GEYJ
882
V (8.8 kQ)
S.RESTSTOR ERJ3GEYJ
181V (180
Q)
S.RESTSTOR ERJ3GEYJ
181
V 0s0 Q)
S.RES|STOR ERJ3GEYJ
los V (1MQ)
S.RESTSTOR ERJ3GEYJ
104V 000 kQ)
S.RES|STOR ERJ3GEYJ
393V (39
kQ)
S.RES|STOR ERJ3GEYJ
183V (18
kQ)
S.RESTSTOR ERJ3GEYJ
r04V (100
kQ)
S.RESISTOR ERJ3GEYJ
22oV (22Ql
VARIABLE EVU.F2JFK4
BI4
S.RES|STOR ERJ3GEYJ
102
V (r kQ)
S.RES|STOR ERJ3GEYJ
102
V (1 kQ)
S.RES|STOR ERJ3GEYJ
104
V (l0o kQ)
S.RES|STOR ERJ3GEYJ
102
V (1kQ)
S,RES|STOR ERJ3GEYJ
t02 V (1
kQ)
S.RESISTOR ERJ3GEYJ
102V (1kQ)
S.RES|STOR ERJ3GEYJ
102
V 0 kQ)
S.RES|STOR ERJ3GEYJ
102V (1kQ)
S.RES|STOR ERJ3GEYJ
102V (1
kQ)
S.RESTSTOR MCRIoEZHJ
27oQ (2711
S.RES|STOR ERJ3GEYJ
392V (3.9
kQ)
S.RES|STOR ERJ3GEYJ
1s2V (1.s
kQ)
S.RESTSTOR ERJ3GEYJ
182V (1.8
kQ)
S.RES|STOR ERJ3GEYJ
82t V (820
Q)
S.RESTSTOR ERJ3GEYJ
473V (47 kQ)
S.RES|STOR ERJ3GEYJ683
V (88 kQ)
S,RES|STOR ERJ3GEYJ
473
V (47 kO)
S.RESISTOR ERJ3GEYJ
473V (47
ka)
S.RESfSTOR ERJ3GEYJ
273V (27
kol
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332
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101
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472V (4.7
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S.RES|STOR ERJ3GEYJ
823
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S.RESISTOR ERJ3GEYJ
1s2V (1.5
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S.RES|STOR ERJ3GEYJ
472V (4.7
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S.RES|STOR ERJ3GEYJ
823
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S.RES|STOR ERJ3GEYJ
102V (1
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S.RES|STOR ERJSGEYJ
474
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S.RES|STOR ERJ3GEYJ
182
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S.RES|STOR ERJ3GEYJ
473
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S.RESISTOR ERJ3GEYJ
272V (2.7
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S.RES|STOR ERJ3GEYJ
103
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S.RES|STOR ERJ3GEYJ
104
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S.RES|STOR ERJ3GEYJ
103
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lo3 V (10
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lOl V (100
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472V (4.7
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103
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474
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103
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S.RES|STOR ERJ3GEYJ
103
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103
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223V (22k}l
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