Benison JB-9 User manual

JB-9
F
F
F
FM
M
M
MT
T
T
TR
R
R
RA
A
A
AN
N
N
NS
S
S
SC
C
C
CE
E
E
EI
I
I
IVE
V E
VE
VERS
R S
RS
RS
Service M
M
M
Ma
a
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nu
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SPE
SPE
SPE
SPEC
C
C
CIFI
I FI
IFI
IFIC
C
C
CA
A
A
ATIO
T IO
TIO
TION
N
N
NS
S
S
S
G
G
G
GENER
ENER
ENER
ENERA
A
A
AL
L
L
L
FrequencyRange245.0000~245.9875
WorkingTemperate－1 0 ℃~＋5 5 ℃
PowerSupplyRequirementDC7.2V
CurrentConsumption≤1.6A(transmit4W)
SensitivityAdjust2~20mV
Antennaimpedance50Ω
TR
TR
TR
TRA
A
A
ANS
N S
NS
NSM
M
M
MI
I
I
ITTE
T TE
TTE
TTER
R
R
R
FrequencyStability ± 5ppm
OutputPower3W(High),1W(Low)
MaxFrequencyDeviation≤ ± 2.5KHz
IntermodulationResponseRejection70dB
AudioDistortion≤10%
AdjacentChannelPower≤ - 65dB
OccupiedBandwidth≤16KHz
RECE
RECE
RECE
RECEI
I
I
IVE
V E
VE
VER
R
R
R
RFSensitivity:≤0.2 μ V
AudioFrequencyResponse300-3000Hz
AudioOutput≥0.5w
AudioDistortion≤10%
A
A
A
All
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RCU
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DES
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N
N
N
1
1
1
1.
.
.
.F
F
F
Fr
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con
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on
onf
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figur
i gur
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a
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t
tion
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ion
Thereceiverutilizesdoubleconversion.ThefirstIFis26.450MHzandthesecondIFis
450kHz.ThefirstlocaloscillatorsignalissuppliedfromthePLLcircuit.ThePLLcircuitin
thetransmittergeneratestheecessaryfrequencies.Fig.1showsthefrequencies.
2
2
2
2.
.
.
.R
R
R
Rece
ece
ece
ecei
i
i
iv
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er
r
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ThefreauencyconfigurationofthereceiverisshowninFig.2.
1)
1)
1)
1)F
F
F
Fr
r
r
ron
o n
on
ont
t
t
t-
-
-
-e
e
e
en
n
n
nd
d
d
dR
R
R
RF
F
F
Fam
a m
am
amp
p
p
plifi
l ifi
lifi
lifier
e r
er
er
AnincomingsignalfromtheantennaisappliedtoanRFamplifier ( Q1)afterpassing
throughatransmit/receiveswitchcircuit(D2,D3)anda3-poleLCfilter(L8,L11).After
thesignalisamplified ( Q1),thesignalisfilteredbyabandpa ssfiltertoeliminate
unwantedsignalsbeforeitispassedtothefirstmixer.Thevoltageofthesediodes
arecontrolledbytotracktheMPU ( U10)centerfrequencyofthebandpassfilter.(See
Fig.2)

2)
2)
2)
2)F
F
F
Fir
i r
ir
irst
s t
st
stM
M
M
Mi
i
i
ixer
x er
xer
xer
ThesignalfromtheRFamplifierisheterodynedwiththefirstlocaloscillatorsignalfrom
thePLLfrequencysynthesizercircuitatthefirstmixer(Q2)tocreatea26.45MHzfirst
intermediatefrequency(1stIF)signal.ThefirstIFsignalisthenfedthroughcrystalfilters
(XF1,XF2)tofurtherremovespurioussignals.
3)
3)
3)
3)I
I
I
IF
F
F
Fam
a m
am
amp
p
p
plifi
l ifi
lifi
lifier
e r
er
er
ThefirstIFsignalisamplifiedbyQ3,andthenentersU1(FMprocessingIC).The
signalisheterodynedagainwithasecondlocaloscillatorsignalwithinU1tocreatea
450kHzsecondIFsignal.ThesecondIFsignalisthenfedthrougha450kHzceramicf ilter
(CF1)tofurthereliminateunwantedsignalsbeforeitisamplifiedandFMdetectedin
CF1.
4)
4)
4)
4)A
A
A
AF
F
F
Fam
a m
am
amp
p
p
plifi
l ifi
lifi
lifier
e r
er
er
TherecoveredAFsignalobtainedfromU1goestothemicroprocessor(U10).The
processedAFsignalpassesthroughanAFvolumecontrolandisamplifiedtoasufficient
leveltodrivealoudspeakerbyanAFpoweramplifier(U9).
5)
5)
5)
5)Squ
S qu
Squ
Sque
e
e
el
l
l
lch
c h
ch
ch
PartoftheAFsignalfromtheICenterstheFMICagain,andthenoisecomponentis
amplifiedandrectifiedbyafilterandanamplifiertoproduceaDCvoltagecorresponding
tothenoiselevel.TheDCsignalfrom t heFMICgoestotheanalogportofthe
microprocessor(U10).U 10determineswhether t ooutputsoundsfromthespeakerby
checkingwhethertheinputvoltageishigherorlowerthanthepresetvalue.
6)
6)
6)
6)R
R
R
Rece
e ce
ece
ecei
i
i
iv
v
v
ve
e
e
es
s
s
si
i
i
ign
g n
gn
gna
a
a
ali
l i
li
lin
n
n
ng
g
g
g
QT/DQT
TheoutputsignalfromFMIC(U1)entersthemicroprocessor(U10).U810determines
whethertheQTorDQTmatchesthepresetvalue,andcontrolstheAFPowerandthe
speakeroutputsoundsaccordingtothesquelchresults
3
3
3
3.
.
.
.P
P
P
PLL
LL
LL
LLf
f
f
fr
r
r
re
e
e
equ
q u
qu
que
e
e
en
n
n
nc
c
c
cy
y
y
ys
s
s
sy
y
y
yn
n
n
nt
t
t
th
h
h
hes
e s
es
esiz
i z
iz
ize
e
e
er
r
r
r
ThePLLcircuitgeneratesthefirstlocaloscillatorsignalforreceptionandtheRFsignalfor
transmission.
1)
1)
1)
1)PL
P L
PL
PLL
L
L
L
ThefrequencystepofthePLLcircuitis5and6.2 5 kHzandsoon.A13MHzreference
oscillatorsignalisdividedatU4byafixedcoun tertoproducethe5or6.25kHz
referencefrequency.Thevoltagecontrolledoscillator(VCO)outputsignalisbuffer
amplifiedbyQ15,thendividedinU4byaprogrammablecounter.Thedividedsignalis
comparedinphasewith t he5or6.25kHzreferencesignalinthephasecomparatorin
U4.Theoutputsignalfromthephasecomparatorisfiltreredthroughalow - passfilter
andpassedtotheVCOtocontroltheoscilla t orfrequency.
2)
2)
2)
2)VC
V C
VC
VCO
O
O
O
TheoperatingfrequencyisgeneratedbyQ12intransmitmodeandQ19inreceive
mode.TheoscillatorfrequencyiscontrolledbyapplyingtheVCOcontrolvoltage,obtained
fromthephasecomparator, tothevaractordiodes( D 8andD12intransmitmodeand
D11andD13inreceivemode).TheTC/ R CpinissetlowinreceivemodecausingQ13off,
TheTC / RCpinissethightintransmitmodecausingQ14off.

4
4
4
4.
.
.
.Tr
T r
Tr
Tra
a
a
an
n
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s
s
sm
m
m
mi
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itt
t t
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er
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1
1
1
1)
)
)
)M
M
M
Mi
i
i
icr
cr
cr
crophon
o phon
ophon
ophone
e
e
eA
A
A
Am
m
m
mp
p
p
plifi
l ifi
lifi
lifier
e r
er
er
ThesignalfromthemicrophonepassesthroughU7 . ThesignalpassesthroughtheAudio
processor(U7)forthemaximumdeviationadjustment,andgoestotheVCOmodulation
input.
2
2
2
2)
)
)
)D
D
D
Dri
ri
ri
riv
v
v
ve
e
e
ea
a
a
an
n
n
nd
d
d
dF
F
F
Fi
i
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in
n
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nal
a l
al
alA
A
A
Am
m
m
mp
p
p
plifi
l ifi
lifi
lifier
e r
er
er
ThesignalfromtheT/Rswitch(D5)isamplifiedbythepre - drive(Q9,Q8)anddrive
amplifier(Q6)to50mW . Theou t putofthedriveamplifierisamplifiedbytheRFpower
amplifier(Q5)to3W(1Wwhenthepowerislow).theRFpoweramplifierconsistsoftwo
MOSFETstages.TheoutputoftheRFpoweramplifierconsistsoftwoMOSFETstages.
TheoutputoftheRFpoweramplifieris thenpassedthroughtheharmonicfilter(LPF)and
antennaswitch(D1)andappliedtotheantennaterminal.
5
5
5
5.
.
.
.P
P
P
Po
o
o
ow
w
w
we
e
e
er
r
r
rs
s
s
supply
upply
upply
upply
Therearefour5Vpowersuppliesforthemicroprocessor:5M,5C,5R,and5T,5Mfor
microprocessorisalwaysoutputwhile t hepowerison.5Mformicroprocessorisalways
outputwhilethepowerison.5Misalwaysoutput,butturnsoffwhenthepoweristurnedoff
topreventmalfunctionofthemicroprocessor.
5Cisacommon5VandisoutputwhenSAVEisnotsettoOFF.
5Ris5Vforreceptionandoutputduringreception.
5Tis5Vfortransmissionandoutputduringtransmission.
6
6
6
6.Con
.Con
.Con
.Cont
t
t
trol
r ol
rol
rolCir
C ir
Cir
Circ
c
c
cuit
u it
uit
uit
Thecontrolcircuitconsistsofamicroprocessor(U10)anditsperiphe ralcircuits.it
controlstheTX-RXunit.U811mainlyperformsthefollowing:
(1)SwitchingbetweentransmissionandreceptionbythePTTsignalinput.
(2)Readingsystem,group,frequency,andprogramdatafromthememorycircuit.
(3)SendingfrequencyprogramdatatothePLL.
(4)Controllingsquelchon/offbytheDCvoltagefromthesquelchcircuit.
(5)Controllingtheaudiomutecircuitbythedecodedatainput.
(6)Transmittingtoneandencodedata.
1
1
1
1)
)
)
)M
M
M
Mem
em
em
emo
o
o
or
r
r
ry
y
y
yC
C
C
Cir
i r
ir
irc
c
c
cu
u
u
ui
i
i
it
t
t
t
MemorycircuitconsistsoftheCPU(U10)andanEEPROM(U8).AnEEPROMhasa
capacityof32kbitsthatcontainsthetransceivercontrolprogramfortheCPUanddata
suchasTransceiverchannelsandoperationfeatures
2
2
2
2)
)
)
)Lo
Lo
Lo
Low
w
w
wB
B
B
Ba
a
a
att
t t
tt
ttery
e ry
ery
eryWar
W ar
War
Warn
n
n
ni
i
i
in
n
n
ng
g
g
g
Thebatteryvoltageischeckedusingbythemicroprocessor.
(1)TheredLEDblinkswhenthebatteryvoltagefallsbelow6.2V.
(2)AWarningtonegenerateswhentheredLEDblinking.

A
A
A
ADJU
D JU
DJU
DJUS
S
S
ST
T
T
TME
M E
ME
MEN
N
N
NT
T
T
T
R
R
R
Re
e
e
equir
quir
quir
quire
e
e
ed
d
d
dT
T
T
Tes
e s
es
est
t
t
tE
E
E
Equipm
q uipm
quipm
quipme
e
e
ent
n t
nt
nt
Thefollowingitemsarerequiredtoadjustradioparameters:
1
1
1
1.
.
.
.R
R
R
Re
e
e
egul
gul
gul
gula
a
a
at
t
t
te
e
e
ed
d
d
dpo
p o
po
pow
w
w
we
e
e
er
r
r
rs
s
s
supply
u pply
upply
upply
Supplyvoltage:5-14VDC
Current:3Aormore
2
2
2
2.
.
.
.Digi
Digi
Digi
Digit
t
t
ta
a
a
al
l
l
lmul
m ul
mul
mult
t
t
tim
i m
im
ime
e
e
et
t
t
te
e
e
er
r
r
r
Voltagerange:FS=Approx.20V
Current:10Aormore
Inputresistance:Highimpedance
3
3
3
3.
.
.
.O
O
O
Osc
sc
sc
scillo
i llo
illo
illosc
s c
sc
scope
o pe
ope
ope
Measurablefrequency:Audiofrequency
4
4
4
4.
.
.
.A
A
A
Audio
udio
udio
udiodummy
d ummy
dummy
dummylo
l o
lo
loa
a
a
ad
d
d
d
Impedance:8ohm
Dissipation:1Wormore
Jack:3.5mm
5
5
5
5.
.
.
.SS
SS
SS
SSG
G
G
G
Outputfrequency:200MHzormore
Outputlevel:-20dBu/0.1uV-120dBu/1V
Modulation:FM
6
6
6
6.
.
.
.S
S
S
Sp
p
p
pec
e c
ec
ect
t
t
trum
r um
rum
rumA
A
A
An
n
n
na
a
a
al
l
l
ly
y
y
yz
z
z
ze
e
e
er
r
r
r
Measuringrange:Upto2GHzormore
7
7
7
7.
.
.
.P
P
P
Po
o
o
ow
w
w
we
e
e
er
r
r
rm
m
m
me
e
e
et
t
t
te
e
e
er
r
r
r
Measurablefrequency:Upto200MHz
Impedance:50,unbalanced
Measuringrange:0.1W-10W
8
8
8
8.
.
.
.A
A
A
Audio
udio
udio
udiov
v
v
volm
o lm
olm
olm e
e
e
et
t
t
te
e
e
er
r
r
r
Measurablefrequency:Upto100kHz
Sensitivity:1mVto10V
9
9
9
9.
.
.
.A
A
A
Audio
udio
udio
udiog
g
g
ge
e
e
en
n
n
ne
e
e
er
r
r
ra
a
a
at
t
t
tor
o r
or
or
Outputfrequency:67Hzto10kHz

Outputimpedance:600,unbalanced
10
10
10
10.Di
. Di
.Di
.Dis
s
s
st
t
t
tortion
o rtion
ortion
ortionm
m
m
me
e
e
et
t
t
te
e
e
er
r
r
r/S
/ S
/S
/SIN
I N
IN
INA
A
A
AD
D
D
Dm
m
m
me
e
e
et
t
t
te
e
e
er
r
r
r
Measurablefrequency:1kHz
Inputlevel:Upto40dB
Distortion:1%-100%
11
11
11
11.
.
.
.Fr
F r
Fr
Fre
e
e
equ
q u
qu
que
e
e
en
n
n
nc
c
c
cy
y
y
yc
c
c
coun
o un
oun
ount
t
t
te
e
e
er
r
r
r
Measurablefrequency:Upto200MHz
Measurablestability:Approx.+/-0.1ppm
12
12
12
12.Lin
. Lin
.Lin
.Linea
e a
ea
ear
r
r
rd
d
d
de
e
e
et
t
t
tec
e c
ec
ect
t
t
tor
o r
or
or
Measurablefrequency:Upto200MHz
Characteristics:Flat
CN:60dBormore
No
No
No
Not
t
t
te
e
e
e
Standardmodulation:1kHz+/-2.5kHz/DEV
Referencesensitivity:12dBSINAD
Specifiedaudiooutputleve:200mWat8

Comment Footprint Quantity
0R 0402A R56 R83 R182 R186 R189 5
10R 0402A R26 R54 R66 R85 4
22R 0402A R48 R59 R74 R136 4
33R 0402A R10 1
47R 0402A R21 R52 2
R29 R30 R68 R71 R82
R140 R141
150R 0402A R9 1
220R 0402A R31 1
C100 R19 R24 R159 R160
R162
560R 0402A R78 R79 2
R22 R32 R75 R92 R93
R94 R177 R178 R179 R187
1K8 0402A R81 1
2K 0402A R27 1
3K3 0402A R34 R58 R64 R70 R80 5
3K9 0402A R36 1
4K7 0402A R37 R41 R73 R91 4
5K6 0402A R43 R69 2
R16 R45 R57 R88 R157
R174 R175
15K 0402A R63 R147 2
22K 0402A R146 1
39K 0402A R87 1
R47 R49 R51 R145 R148
R149 R150 R152
56K 0402A R4 R14 2
R5 R8 R15 R17 R28
R46 R76 R77 R144 R184
R185
120K 0402A R61 R72 2
150K 0402A R50 1
180K 0402A R18 1
200K 0402A R7 1
220K 0402A R25 R180 2
270K 0402A R33 R35 2
390K 0402A R42 1
62K 0402A R90 1
0R 0603A L54 L55 2
0R 0805A L25 1
0P5 0402A C29 C42 C118 C169 4
1P 0402A C35 C40 C41 C175 4
2P 0402A C22 1
3P 0402A C32 C44 2
5P 0402A C113 C120 C128 3
6P 0402A C79 C117 2
7P 0402A C170 1
8P 0402A C20 C49 C166 3
10P 0402A C5 C39 C52 C124 C167 5
Capacitor
10K 0402A 7
11
80402A47K
100K 0402A
330R 0402A 6
Resistance
1K 0402A 10
Designator
0402A100R 7

Comment Footprint Quantity
12P 0402A C18 1
13P 0402A C12 1
15P 0402A C106 C125 C209 C211 4
18P 0402A C17 C179 2
20P 0402A C104 1
22P 0402A C81 C115 2
24P 0402A C80 1
27P 0402A C92 1
33P 0402A C73 1
47P 0402A C68 1
C122 C132 C136 C137 C138
C139 C27 C29X C43 C45
C56 C86 C87 C91 C93
C95 C116 C134 C181 C213
C222
C47 C48 C50 C54 C58
C59 C61 C89 C119 C130
C206 C212 C223 C224
C63 C66 C67 C69 C77
C85 C90 C135 C180 C195
C196 C207
105P 0402A C208 1
150P 0402A C57 C60 2
220P 0402A C55 C71 C205 3
222P 0402A C74 1
223P 0402A C182 1
C23 C33 C72 C94 C98
C101 C105 C110 C112 C114
C127 C165
270P 0402A C70 1
3P 0603A C10 1
4P 0603A C11 1
5P 0603A C6 1
6P 0603A C123 1
8P 0603A C4 C173 2
12P 0603A C3 C7 2
30P 0603A C2 1
470P 0603A C1 1
BAS277 ESC D2 D3 2
HSC277 ESC D5 D6 D25 3
MA2S111 ESC D7 1
TY USC D1 1
1SV220 USCV D10 1
HVC376B USCV D8 D11 D12 D13 4
2U2F 0805A E9 1
4U7F 0805A E4 1
10UF 0805A E18 E19 2
Designator
Diode
Varactor
Titanium Uranium Capacitor
104P 0402A 12
470P 0402A 12
100P 0402A 21
103P 0402A 14

Comment Footprint Quantity
0U1F A E5 E7 2
1UF A E2 1
4U7F A E6 1
10UF A E1 1
2N2H 0603A L27 L20 2
15NH 0603A L23 1
100NH 0603A L30 L31 L35 L39 L46 5
220NH 0603A L16 L18 L19 L32 L34 5
6U8H 0603A L40 L50 L51 L52 4
47NH 0805A L11 L48 L49 3
68NH 0805A L8 L10 L13 L14 L15 5
R10 0805A L36 L45 2
1R0 0805A L26 1
2R2J 0805A L17 1
101T 0603A L29 L38 L42 L53 L56 5
101T 0805A L28 1
0.31*1.3*3T 0.31*1.3 L21 1
0.31*1.3*8T 0.31*1.3 L22 1
0.31*1.5*5T 0.31*1.3 L1 L2 L3 L5 4
2SJ243 ESM Q13 1
2SC4617 ESM Q11 1
DTC114EE ESM Q23 1
DTA114YE ESM Q26 Q27 2
R24 USM Q10 Q15 Q18 3
2SC4215 USM Q3 Q4 2
2SC4226 USM Q9 1
2SC3356 TSM Q8 1
2SK508NV TSM Q12 Q19 2
UMC4 USV Q14 1
2SK3078 SOT89 Q6 1
BF1212 SOT343 Q1 Q2 2
2SK4037 HWSON-2A Q5 1
R3111N451C SOT-23-5 Q29 1
24C32 SO8 U8 1
CHORD SO8 U2 1
31136 SSOP16 U1 1
LMX2332 SSOP20 U4 1
MCU QFP80 U10 1
13M CR4 CR3 1
32K768 32K768B CR4 1
450K CF5 CF1 1
Designator
Crystal&Other
Wound Inductors
Coil
Beadinductors
Transistor
IC
Tantalum Capacitors
Multilayer Inductor

Comment Footprint Quantity
0R 0402A R192 R193 R168 3
100R 0402A R196 R109 R110 3
330R 0402A R3 R153 R154 3
470R 0402A R1 R104 R163 3
820R 0402A R38 R121 2
C147 R40 R99 R114 R161
R165
1K2 0402A R86 1
1K5 0402A R134 1
1K8 0402A R106 1
3K3 0402A R164 R507 R509 3
4K7 0402A R89 R96 R171 R508 4
5K6 0402A R118 R138 2
6K8 0402A R137 1
R65 R101 R103 R105 R111
R117 R176 R504 R511
15K 0402A R133 R143 2
18K 0402A R125 1
22K 0402A R12 R39 R151 3
27K 0402A R44 R112 R132 3
33K 0402A R501 1
33K 0402A R2 R95 R503 R505 R506 5
R11 R84 R107 R115 R158
R170
51K 0402A R135 1
100K 0402A R122 1
120K 0402A R116 1
150K 0402A R172 R173 2
200K 0402A R113 1
270K 0402A R167 1
330K 0402A R97 1
750K 0402A R128 1
1M 0402A R108 R169 2
1M8 0402A R500 R502 2
R120 R123 R124 R126 R127
R129
0R39 R1206 R62 R130 R131 3
3K3 1210 L6 1
10P 0402A C19 C164 2
22P 0402A C16 1
52P 0402A C15 C21 2
68P 0402A C88 1
C8 C162 C185 C189 C215
C216 C217 C234
C24 C75 C111 C143 C146
C152 C198 C220 C221 C228
C30 C31 C38 C145 C151
C154 C155 C188 C192 C193
C194 C197 C219 R98
Designator
Resistance
1K 0402A 6
90402A10K
47K 0402A 6
150K 0603A 6
Capacitor
0402A103P 10
80402A102P
104P 0402A 14

Comment Footprint Quantity
105P 0402A C108 C78 C150 C171 4
180P 0402A C142 1
182P 0402A C37 1
220P 0402A C28 C144 2
223P 0402A C225 C226 C161 C163 C168 5
224P 0402A C26 C99 2
273P 0402A C159 C183 C240 3
332P 0402A C236 C238 2
C153 C158 C160 C186 C187
C199 C200
473P 0402A C235 1
474P 0402A C97 1
560P 0402A C190 1
680P 0402A C237 1
820P 0402A C239 1
100P 0603A C157 1
105P 0603A C178 1
2U2F 0805A E12X E17 2
4U7F 0805A E14 1
4U7F A E15 1
10UF A E3 E8 E20 3
22UF B E10 E12 2
47UF C E16 1
50K RV RV1 1
50K RV1 RV2 1
56NH 0603A L12 1
47NH 0603A L24 1
100NH 0603A L7 L9 L43 L44 4
220NH 0805A L4 1
HSC277 ESC D26 1
1SS372 USM D24 D9 2
HVC131 USC D4 1
LED
RLED LED D14 1
GLED LED D15 1
D16 D17 D18 D19 D20
D21 D22 D23
DTC114EE ESM Q16 Q17 Q20 Q21 4
LG ESM Q25 1
2SC4617 ESM Q500 Q501 2
2SC2712 TSM Q22 1
2SB624 TSM Q28 1
2SC4181 USM Q24 1
2SC4226 USM Q7 1
Designator
7
Titanium Uranium Capacitor
TantalumCapacitors
Potentiometer
MultilayerInductor
Diode
470P 0402A
8LEDLED
Transistor

12345678
A
B
C
D
87654321
D
C
B
A
ANT
LPF
ANT SW
BPF RF AMP BPF
1st MIXER
MCF IF AMP
POW AMP DRIVER RF AMP
APC
RF AMP
2nd OSC VOLUME TUNE AF AMP SPEAKER
MICPHONE
AF AMP
AGC
MONI_KEY
PTT_KEY
MCU
LED_RX
SW-POWER
APC
AF-POW
LCD_DRIVER
PLL_DATA
REG 5V
POW-VRX
POW-VTX
POW-VCX
VOLTAGE
RX_VCO
TX_VCO
LPF PLL IC TCXO
FM IF
CFW
450K
IDC
SQ_DET
BATTERY
EEPROM
AF_OUT
T/R SECTION VCO SECTION
FM IF AF SYSTEM
CONTROL SECTION
SYSTEM
DETECT
AMP
COMPUTER
KEY BOARD
LCD_DIS
VOICE
DIAGRAM BLOCK
QT/DQT
VOX
VOX_DET
AF_IN
DC_SW
MOD
DC_SW
RF AMPRF AMP
RX/TX SW
RADIO
DATA CTL
AF AMPRF AMP
VOICE_DATA
CONNECT
LED_TX
ALARM_KEY