BAOJIE BJ-9900 User manual

QUANZHOUBAOJIE ELECTRONICS CO.,LTD.Model:BJ-9900
Version:BJ-9900-0812-V1Page1of75
Dual BandFM Transceiver
BJ-9900
SERVICEMANUAL
----------------------CONTENTS--------------------
INTRODUCTION ..2
PERSONAL SECURITY ..... 2
CIRCUITDESCRIPTION ....3
BLOCK DIAGRAM ... .. 13
BoardUnit(Schematics, Layouts&Parts)
DisplayUnit ... .14
TX-RXUnit ...21
Panel Unit .68
Panel-Sub Unit .. ..71
VR-L/RUnit ..73
SPECIFICATION ..75

QUANZHOUBAOJIE ELECTRONICS CO.,LTD.Model:BJ-9900
Version:BJ-9900-0812-V1Page2of75
INTRODUCTION
Scope ofthismanual
Thismanualprovidesnecessarytechnicalinformationforthemaintenanceand
inspection ofmobileradioBJ-9900.Maintaining this device needs professional
knowledgeoftheoperationofsurface chips assembleNon-professionaloperationwill
leadto permanentlydamagesother thanqualityassurance, and evenin somecountriesit
maybeillegal.
Thismanualisgenerallycorrectand complete,but Baojiewill notbearsany
responsibilityforthedamagescausedbytypographicalorothererrors.Ifanytechnical
informationdiscrepanciesarefound , pleasenotethatwewillbeverygrateful.
Baojiereserveexplanationrights.Meanwhile,Baojiecompanywillremain therightof
changing productdesignsandspecifications
PersonalSecurity
uForpersonalsafety, pleasenotethefollowing tips:
uDonottransimit before alltheRF plugs are carefullyconfirmedoranyopenplug
havenot beconnecttothematchingport.
uTurnoffthepower anddonot operatethisequipment whennear thetheelectric
squib ornear flammablegas.
uToavoid electromagneticinterferenceorproblemscausedbythebattery
compatibility,pleaseturnofftheradiowhere there are marks "NO RADIO",suchas
hospitals andotherhealthcareplace

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Version:BJ-9900-0812-V1Page3of75
CIRCUITDESCRIPTION
Receiversignal channel
Mainband 430MHZ Signal
430MHzsignaltransmits to Antennathroughahighpassfilternetwork,andalowpass
filter networkswitching diodeD1029,D1030{}and}D1001,thentransmit to Mainband
RF amplifier Q1001through another lowpass filter network.
Amplified430MHzsignaltransmits toTunedvibrationvariableresistancefilter
networkthrough theswitchD1002,whichincludeD1004.D1005,D1006andrelated
circuit.andthenittransmitstothefirstmixer Q1003.MeanwhileUHFlocaloscillator
signalwhichcomesfromUHF-VCO/BQ1116 transmit to thefirstmixer Q1003 and
generatefirstIF of38.55MHzmain band.
Mainband 144MHz signal
144MHzsignaltransmits to Antennathroughahighpassfilternetwork,andalowpass
filter networkswitching diodeD1113,D1114,D1115,D1116andD1117thentransmit to
Mainband RF amplifier Q1014through anotherlowpassfiliter network.Amplified
144MHzsignaltransmits to first mxierQ1016throughTunedvibrationvariable
resistance filter networkthincludingD1017.D1005,D1006andrelatedcircuit.
MeanwhileVHFlocaloscillatorsignalwhichcomesfromVHF-VCO/BQ1120transmit
to thefirst mixer Q1016 andgeneratefirst IF of38.55MHzmain band.
Main band IFandaudiosignal

QUANZHOUBAOJIE ELECTRONICS CO.,LTD.Model:BJ-9900
Version:BJ-9900-0812-V1Page4of75
38.55MHzmain band firstIF signalissent to thecrystalfilter FL1001 andFL1002. The
crystalfilter toremovethoseunwantedmixer products,andthensent to theIF amplifier
Q1027 IF ICIC1044.
Meanwhilethe13MHzCrystalpartX1002 exportthetriplefrequencyviaQ1042 to
generate39MHzsecond localoscillatorsignalandtransimit to IF IC1044 where
39MHzsecondLO and 38.55MHzMain bandfirstLO mixedtobe450KHzMain band
secondIF.
450KHzmain bandsecond IF throughthefilterswitchD1039/D1041transmit to
CeramicFilter whichremovetheother signalexcepttheuseful andthentransmit to
ceramicdiscriminatorCD1001viatheIF amplifier inIC1044.Theceramic
discriminatorwillremoveanyVarianceinAmplitudein450KHzIF signalbefore voice
detecting .
DemodulatedMainbandaudiorestore thenetworkbandnetworkingandaudio switch
throughsignal, and thenhandlebyaudioprocessorIC1042.And thefilteredaudio signal
transmit toaudio switchIC1066andIC1067.
Whenthebuilt-in speaker isselected,theaudiosignalwill beamplifiedbyIC1069and
thenbeprovidedto thebuilt-inspeaker.Whentheexternalspeaker isselected,theaudio
signalwill beamplifiedbyIC1068 andthentransmit throughtheexternalspeaker jack
to theexternalspeaker.
sub-band 430MHzsignal
430MHzsignaltransmits to Antennathroughahighpassfilternetwork,andalowpass
filter networkswitchingdiodeD1029,D1030{}and}D1001,thentransmit to sub-band

QUANZHOUBAOJIE ELECTRONICS CO.,LTD.Model:BJ-9900
Version:BJ-9900-0812-V1Page5of75
RF amplifier Q1002through another lowpass filiter network.
Amplified430MHzsignaltransmits toTunedvibrationvariableresistancefilter
networkthroughtheswitchD1009,whichincludeD1011.D1012,D1013 andrelated
circuit.andthenittransmitstothefirstmixer Q1005.MeanwhileUHFlocaloscillator
signalwhichcomesfromUHF-VCO/AQ1123transmit tothefirstmixer Q1003 and
generatefirstIF of49.95MHzSub-band
Sub-band 144MHzSignal
144MHzsignaltransmits to Antennathroughahighpassfilternetwork,andalowpass
filter networkswitching diodeD1113,D1114,D1115,D1116andD1117thentransmit to
MainbandRF amplifier Q1015through another lowpass filternetwork.Amplified
144MHzsignaltransmits to first mixerQ1017throughTunedvibrationvariable
resistance filter networkincludingD1020.D1021 ,D1022 andrelatedcircuit.
MeanwhileVHFlocaloscillatorsignalwhichcomesfromVHF-VCO/AQ 1126transmit
to thefirst mixer Q1017 andgeneratefirst IF of49.95MHzsub-band .
Sub-band IFand audiosignal
49.95MHzsub-bandfirstIFsignalissenttothecrystalfilter FL1003and FL1004.The
crystalfilter removethoseunwantedmixerproducts,andthenthroughtheIFamplifier
Q1035 sent to IF ICIC1047.
Meanwhilethe16.8MHzCrystalpartX1003exportthetriplefrequencyviaQ1043
to generate50.4MHzsecondlocaloscillatorsignalandtransmits toIF IC1047where
50.4MHzsecondLO and 49.95MHzsub-bandfirst signalmixedtobe450KHz
sub-band secondIF.
{450KHzsub-band secondIF transmit toCeramicFilterCF1003whichremovethe

QUANZHOUBAOJIE ELECTRONICS CO.,LTD.Model:BJ-9900
Version:BJ-9900-0812-V1Page6of75
other signalexcepttheusefulandthentransmit toceramicdiscriminatorCD1001via
theIF amplifier in IC1047.TheceramicdiscriminatorwillremoveanyVariancein
Amplitudein450KHzIF signalbefore voice detecting .Theceramicdiscriminatorwill
removeanyVariance inAmplitudein450KHzIF signalbefore voicedetecting.
Demodulatedsub-band audio restorethenetworkandaudioswitchD1048through
signal,and thenhandlebyaudioprocessorIC IC1043.And thefilteredaudiosignal
transmit toaudio switchIC1066andIC1067.
Whenthebuilt-inspeaker isselected,theaudiosignalwill beamplifiedbyIC1069
andthenbeprovidedto thebuilt-inspeaker.Whentheexternalspeaker is selected,the
audiosignalwillbeamplifiedbyIC1068 and thentransmit throughtheexternalspeaker
jacktotheexternalspeaker.
Squelch control
Mainband
whenthereisnotreceivablecarriersignalinmain band,theoutputnosiesforthe
IC1044detectorwill beamplifiedwhilethebandpasswillbefilteredbytheIC1044''s
noisesamplifiedpart.Thegenerateddirectvoltagewillbetransferredto ofMain CPU
IC1104 pin31whichwill compare thesquelchstandardlevelwiththesettablesquelch
levelin thefrontpanelwhichcansettedthroughSQLkey.
whenthere isno receivablecarrier signalinmain band ,Thepin76inIC110willkeep
in LOWposition to forbiddentheaudiooutput ofthespeaker.

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Version:BJ-9900-0812-V1Page7of75
Sub-band
whenthereis not receivablecarrier signalin sub-band, theoutput nosiesfortheIC1047
detectorwill beamplifiedwhiletheband passwill befilteredbytheIC1047''snoises
amplifiedpart.Thegenerateddirectvoltagewill betransferredtoofMain CPUIC1107
pin28 whichwillcompare thesquelchstandardlevelwiththesettablesquelchlevelin
thefront panelwhichcansettedthrough SQLkey.
Transmittersignalchannel
Audio signal
Theaudiosignalwhicharriveatloud-speakeraretransferredtotheaudioamplifier
U3001 ofPANEL-SUBUNITthrough theMicPlug J3004.Theamplifiedaudiosignal
viathefrontpanelseparatedplugJ3002and J1005 transmit to TX-RXunit where the
audiosignalistransferredto theaudioprocessorIC IC1042 andrelatedcircuit.
430 MHz signal
TheaudiosignalwhicharrivesatlIC1042are transferredtovariableresistance diode
throughtransistorexchanger Q1114andQ1115.Where thefrequencymodulates
composedandemissionvoltagecontrolledoscillatorwhichcomposeofUHF-VCO/B
Q1116and D1081.
Adjustedtransmittingsignalthroughabuffer amplifier Q1117,Q1118, Q1119 anddiode
switchD1099, D1101 senttothepreamplifier Q1132.

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Version:BJ-9900-0812-V1Page8of75
AmplifiedtransmittingsignalreachingQ1132transmit todiodeswitchD1107through
thediodeswitchD1106 anddriveamplifier, and finallybeamplifiedbypower amplifier
Q1135to generatemore than35Woutputpower .Thesethreestepsare controlledby
autopower controlcircuit.
35WRF signalthrough ahighpass filter networktransmit to theantennaswitchD1118,
D1119andD1120,and thenthroughalow passfilternetwork,andanother high-pass
filter networktransmits to theantennajack.
144MHz signal
TheaudiosignalwhicharrivesatIC1042are transferredtovariablecapacitancediode
D1082 andD1085throughtransistorexchanger Q1114andQ1115.
AmplifiedtransmittingsignalreachingQ1132transmit todiodeswitchD1108through
thediodeswitchD1105,D1106anddriveamplifier,andfinallybeamplifiedbypower
amplifier Q1135togeneratemore than50Woutputpower .
Q1132cometo beamplifiedtransmission signalviaadiodeswitchD1105, D1106,and
sentto thediodedriveamplifier switchQ1134D1108, Q1135ultimatelyamplifiedby
thepower amplifier,resultinginmore than50Wofoutputpower.Thesethreestepsare
controlledbyautomaticpower controlcircuit.
50WRF signalthrough ahighpass filter networktransmit to theantennaswitchD1113,
D1114and thenthroughalowpass filter network,andanother high-passfilter network
transmits to theantennajack.
Automatic powercontrolcircuit

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Version:BJ-9900-0812-V1Page9of75
430 MHzsignal
Partoftheoutputofthepower amplifier correctedbytheD1121 and D1122,Thensent
to theAPCAutomaticPower ControlIC1129.AsaDCvoltage,APC AutomaticPower
Control ofthepower amplifier outputlevelis proportionalto.
InIC1129 on,cometo thepower amplifier andtheDCvoltagecorrectionover to the
main CPUIC1104 tothereferencevoltageto produceacontrolvoltage.hecontrol
voltageregulatedpower supplyvoltageto thepreamplifierQ1132,Q1134 driver
amplifier andpower amplifierQ1135,inthecaseofchangingtheantennaloadto
maintainastableoutputpower.
144 MHzsignal
Partoftheoutput ofthepower amplifier correctedbytheD1109 and D1110, andthen
senttotheAPC AutomaticPower Control Q1129.AsaDCvoltage,APC Automatic
Power Control ofthepower amplifierisproportionalto theoutput level.
OntheQ1129tocorrectover tothepower amplifier totheDCvoltagetothemain
CPUIC1104with thereference voltagetoproduce acontrol voltage.Thecontrol
voltageregulatedpower supplyvoltageto thepre-amplifierQ1132,Q1134driver
amplifier andpower amplifierQ1135,inthecaseofchangingtheantennaloadto
maintainastableoutputvoltage.
PTTElectric circuit
430 MHzsignal
Whenyou pressthePTTswitch,thesubCPUU2001'spin23tothe"low"position,

QUANZHOUBAOJIE ELECTRONICS CO.,LTD.Model:BJ-9900
Version:BJ-9900-0812-V1Page10of75
thenlaunch"PTT"command to themain CPUIC1104.
Whenthe"PTT"command is received,themain CPUIC1104 pin45tothe"high"
position, thenactivatestheUHFtransmitter switchQ1096.
WhentheQ1096'sUHFtransmitter switchis activated, it controls theantennaswitching
diodeD1118,D1119,D1120,modulationswitching diodeQ1114,Q1115,diodeswitch
D1099,D1101,D1106,D1107,andAPCautomaticpowerswitchQ1130,Q1131.These
activatedthe430MHztransmittercircuit.
144 MHzSignal
Whenyou pressthePTTswitch,thesubCPUU2001'spin 23tothe"low"position,
thenwill launchthe"PTT"command tothemain CPUIC1104.
Whenthe"PTT"command is received,themain CPUIC1104pin 46tothe"high"
position, thenactivatesaVHFtransmitter switchQ1096.
WhenQ1096 forVHFtransmitter switchisactivated,itcontrolstheantennaswitching
diodeD1118,D1119,D1120,modulationswitching diodeQ1114,Q1115,diodeswitch
D1099,D1101,D1106,D1107,andAPCautomaticpowerswitchQ1130,Q1131.These
activatedthe144MHztransmittercircuit.
PLLElectric circuit
Main band
Cometo UHF-VCO/BQ1116 partoftheoutputbufferamplifier Q1117andthrough
diodeswitchD1086,senttothePLLIC1109 programmabledivider. Here it isaccording
to themain CPUIC1104relatedto thefrequencydivisiondatais dividedand sent tothe

QUANZHOUBAOJIE ELECTRONICS CO.,LTD.Model:BJ-9900
Version:BJ-9900-0812-V1Page11of75
phasecomparator.
Cometo theVHF-VCO/BQ1120partoftheoutputbuffer amplifier Q1121and
throughdiodeswitchD1087,sent tothePLLIC1109programmabledivider.Here itis
accordingtothemainCPUIC1104relatedto thefrequencydivisiondataisdividedand
senttothephasecomparator.
13 MHzreference oscillatorX1003frequencycomponents viaIC11092340 or1872 in
thereference divideris separatedto form a5kHzor6.25kHzreference frequency
comparedthesebaselinefrequencywill beutilizedbythephasecomparator.
IC1109 phasecomparatorcircuit ofthevoltagecontrolledoscillatorand theoscillation
frequencyofthefrequencyofthephasecomparisonbetweenthefrequencycomparison.
Its outputisapulsewiththesamephase.Thepulsebycontrollingthevoltageinthe
loopfilter are integratedtocontrol theoscillation frequencyoftheVCO.
Sub-band
Cometo UHF-VCO/AQ1123 partoftheoutput buffer amplifier Q1124and through
diodeswitchD1093, senttothePLLIC1112 programmabledivider.Here itisaccording
to themain CPUIC1104relatedto thefrequencydivisiondatais dividedand sent tothe
phasecomparator.
Cometo theVHF-VCO/AQ1126 partoftheoutputbufferamplifier Q1127and
throughdiodeswitchD1097,senttothePLLIC1112programmabledivider.Here itis
accordingtothemainCPUIC1104relatedto thefrequencydivisiondataisdividedand
senttothephasecomparator.
16.8MHzreferenceoscillatorX1003frequencycomponentsviaIC1112 2340or1872

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Version:BJ-9900-0812-V1Page12of75
in thereferencedivider is separatedtoform5kHzor6.25kHzreferencefrequency
comparedthesebaselinefrequencywill beutilizedbythephasecomparator. .
IC1112phasecomparatorcircuitofthevoltagecontrolledoscillatorand the
oscillationfrequencyofthefrequencyofthephasecomparisonbetweenthefrequency
comparison.Its output isapulsewiththesamephase.Thepulsebycontrolling the
voltageintheloop filter are integratedtocontrol theoscillation frequencyoftheVCO. .
Powercontrol
Whentheuser holdsdowntherightvolumebuttonfor2seconds,themain CPU
IC1104 ofpin65 tothe"low"position,themain CPUIC1104ofpin66Goto the"high"
position,thenit activatesthepower switchQ1078andQ1082,in order toprovide13.8
VDCto thetransceiver circuitryinside.

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BLOCK DIAGRAM
D1002
D1029,1030
ANTSW
LPF
RFAMP
Q1001
RXU-B
RXU-A
RFAMP
Q1002
RX300-A
RX300-B RXU-B
RXU-A
SW
SW
D1002
D1003
D1009
D1010
LPF
LPF LPF
LPF
LPF
LPF
LPF
LPF
LPF
SW
SW
HPF
HPF
HPF
HPFHPF
HPF
BPF
BPF
BPF
BPF
BPF
BPF
MPF
MPF
CF CF
CF CF
RFAMP
RFAMP
RFAMP
RFAMP
RFAMP RFAMP
RFAMP
BPF
BPF
BPF
BPF
MIX
MIX
MIX
MIX
MIX
MIX
MIX
MIX
Q1014
Q1015
Q1018
Q1019
BPF
FURX
D1017D1018
D1019 D1026
Q1016
D1020 D1021
D1022 Q1017
D1023
Q1023
D1027
D1028
Q1024
AGC-B
AGC-B
AGC-A
AGC-A
RXV-B RXV-BTUNE-B
TUNE-A
RXV-A RXV-A
FL-VB
FL-VB
FL-VA
FL-VARX200-A
RX200-A
RX200-B RX200-B
Q1020
Q1021
Q1022
D1031
RX800-A RX800-A
RX800-B
RX800-B RX800-B
RX800-A FL-UA
FL-UB
MIX
MIX
Q1025
Q1026
D1032
D1033
SORGE-ABS
D1123
RX
TX
ANT
ANTSW
ANTSW
ANTSW
D1119
D1120
D1113
D1114
D1115D1116
D1117 D1121
D1122
UAPC DET APC
TXUHF
APC
V APC DET
D1109
D1110
D1118
SW
TXVHF
BFP
DRIVE
Q1134
TX PWR CNTLSW 13.8V
13.8V
REG
D1103
Q1133 12.5V
TXUHF TXUHF
TXUHF
TXUHF
TXVHF
TXVHF
TXVHF
SW
D1105
D1104
D1106
SW
12.5V
PRI DRIVE
Q1132
SW
D1107 RFPA
Q1135
13.8V TX PWR CNTL
SW
D1108
D1111
D1112
SW
SW
D1089D1099
D1101D1102
TX PWR CNTL
TX PWR CNTL
SW
D1100
Q1130 Q1131
APC
APC
Q1129 RFPO-CNT
POWERADJ
FUTX
FVTX
FVTX
FUTX
FVTX
FVRX
FURX
FUTX
FURX
F800MRX
FVRX
D1004 D1005
D1006
D1011 D1012
D1013
Q1003
Q1004
Q1005
Q1006
D1008
D1007
D1014
D1015
TUNE-B
TUNE-A
RXU-B
RXU-A
RX300-B
RX300-A FL-UA
FL-UA
FL-UB
FL-UB
FL1001
FL1003
IFAMP
IFAMP
AGCAMP
AGCAMP
Q1027
D1035
Q1029
AGC-B AMDET
D1036
Q1035
D1037
AGC-A
Q1036
D1038
AMDET
AFAMP
AFAMP
AMAMP
AMAMP
Q1037
Q1038 Q1039
Q1040
Q1030
Q1031 Q1032
Q1033
BUFF
Q1042
CF1002 CF1001
SW SW
D1039
D1040 D1041 D1042 Q1045 Q1046
IFIC
IC1044
NARROW WIDE
NOIZE-B SM-B CTR-B
NARROW-B
NARROW-A
SW SW
D1043
D1044 D1045 D1046
Q1048 Q1049
IFIC
IC1047
NOIZE-A SM-A CTR-A
BUFF
Q1043
NARROW WIDE
CF1003
CF1004
FM
FM
AM
AM
SW
SW
D1047
D1048
SW
BUFF BUFF
BUFF BUFF
BUFF BUFF
Q1117
Q1118
Q1119
Q1120
Q1121
Q1122
Q1123
Q1124Q1125
Q1116
D1079 D1080
D1081
D1082D1083
D1084D1085
UHF-BVCO
VHF-BVCO MOD
MOD
VCOU-B
VCOV-B VCOV-B
VCOU-B
FL-UB
SIFT-5B
VSIFT-5B
VSIFT-5A
VCOU-A VCOU-A
UHF-A VCO
D1090D1091
D1092
FL-VB
FL-UA
FL-VA
BUFF BUFF
Q1128 Q1127
VCOV-A VCOV-A
VHF-A VCO
D1094D1095
D1096Q1126
SW
D1093
D1094
BUFF
Q1111
PLL IC
IC1112
Q1113
REG
9V VPP
LOOPFL
D1074
PCK
PDA
PLE-A
PCK
PDA
PLE-B
UL
REFADJA
REFCNT
D1075
D1076
D1077
16.8MHz
16.8MHz
X1003
UL-A(PDA) UL-B(PDA)
SW
D1086
D1087
BUFF
Q1108
IC1109
PLL IC
VPP
TXVHF
LOOPFL
D1068
D1098
Q1110
REFADJB
13MHz
X1002
REFCNT
D1069D1070
D1071D1072
13MHz SW
SW
SW
IC1071
Q1107
Q1106
D1088
PK96MOD
SIGIN
TXUHF
TEMPDET
TH1001
SW
SW
D1060
Q1083
D1055
RFG
D1057
IC1084
13.8V
5M
5U
TEMP
CTR-A
CTR-B
NOIZE-A
NOIZE-B
SM-A
SM-B
DCIN
SIGIN
CPU5V
PLE-A
PLE-B
PDA
PCK
SINHOUT-A
SINGOUT-B POWERSW POWER-ON
FUN CNTL
RD-AUXSW AUXSW-A AUXSW-B MODESW PKTX1200
PK-A/B PK-SQL
X-RPT NARROW-A
NARROW-B PKS/CLONE
RST
ZCEN
TXD
RXD
ROM-CLK
ROM-DA
OSCOUT
OSCIN
RESET
CPU
IC1104
X1001
EEPROM
IC1088
D1053
D1054
TXD
RXD
9V
MICPRI
POWERSW
J1005
MICAMP
IC3001
MICPRI
POWERSW
TXD
RXD
9V
J3001
TXD
RXD
SW1 SW2
PTT
POWERSW
9V
MICAMP
IC3001
J3004
SW1
SW2
MIC
9V
PTT
MIC
J2003
U2001
CPU
PTT
SW2 SW1 RXD TXD
KEY1
KEY2
SETKEY
DIM
RESET
X IN
X OUT
LCD CLOCK
LCD DATA
LCD STB1
LCD STB2
INH
A-SQL
A-AF
DXKEY
B-SQL
B-AF
A-PSW
A-CHA
A-CHB
B-PSW
B-CHA
B-CHB
POWERSW 9V
PANEL-SUB-UNIT
DISPLAY-UNIT
9V
REG
U2004
5V
RESET
R2087
C2022
LED
D2001
A-PSW
A-CHA
A-CHB B-CHB
B-CHA
B-PSW
KEY1 KEY2
KEY KEY
S2004 S2005
S2006 S2007 S2008 S2009
S2010 S2011
S2012S2013S2014
S2015S2016S2017
KEY
LCD DRIVER
U2002U2003
LCD
DS2001
CR2001
SETKEY
S2003
LED DRIVE
T2001T2100
A-SQL
A-AF
DXKEY
5V
GND
GND GND
GND
5V
5V
5V
POWERSW POWERSW
B-AF B-AF
B-SQL B-SQL
A-SQL
A-AF
DXKEY SW
SW
VR4001
VR5001
J4001
J5001
J2001 J2002
VR-L-UNIT
VR-R-UNIT
DC IN
13.8V
SW
SW
SW
SW
PKTX1200
Q1073
Q1075
IC1071
IC1071
PKS/CLONE
IC1071
X-RPT
PKTX1200
PK9600 AMP
IC1052
PK96MOD
SW
SW
SW
Q1058
PK-A/B
D1049
D1050
RX1200 BUFF
RX9600 BUFF
Q1057
Q1056
PROTECT
D1056
13.8V
SW
Q1078Q1082
POWER-ON
SW13.8V
REG
Q1079IC1080
9V
5V REG
IC1081
SW
Q1114 Q1115
TX-CNT
MOD
IC1066
IC1066
SW
IC1066
MODESW
SW
IC1066
Q1052
Q1052
MICPRI
B AF A AF
SW
SW
SW
SW
IC1067
Q1104
Q1104
IC1067
SW13.8
9V
EXTAFAMP
SW
SW
INTAFAMP
IC1068
Q1064
Q1065
IC1069
AF
AF
J1002
J1003
SW
Q1070
Q1072
PK-SQL PK SQL
RX1200
RX9600
PKD
PKS/CLONE
DATA/CLONE
SP0001
SP
J1001
EXTSP
SW
Q1076
SW13.8V
FANCNTL
J1004
FN0001
FAN
RXU-A RXU-B RXV-B
RXV-A RX800-A
RX800-B RX300-B RX300-A RX200-A RX200-B
TXUHF
TXVHF
VCOU-B VCOU-A VCOV-A
VCOV-B
VSIFT-5B VSIFT-5A
9V
13MHz
39MHz
50.4MHz
16.8MHz
TUNE-A
TUNE-B
REFADJA
REFADJB
RFPO-CNT
FL1002
14.7454MHz
P-RXU-A P-RXU-B P-RXV-B P-RXV-A
P-RX800-A P-RX800-B P-RX300-B P-RX300-A P-RX200-A P-RX200-B
P-TXUHF
P-TXVHF
P-VCOU-B
P-VCOU-A
P-VCOV-A
P-VCOV-B
LIPPLEFIL
Q1098 Q1099
9V
POWERSW
Q1090Q1091Q1092Q1093Q1094Q1096Q1097Q1100Q1101Q1102
T1014 T1016T1017T1018T1015T1010T1011T1013 T1020T1021
T1022T1023T1024T1025T1026 T1027T1028T1029T1030T1031
D1034
DCSMOD
PMR D/AIC
IC1042
PMR D/AIC
IC1043
SIGIN
PMR D/AIC
IC1043 IC1042
CDATA
RDATA
SCLK
CSN-A CSN-B
IRQN-A IRQN-B
PMR D/AIC
CDATA
RDATA
SCLK BLOCKDIAGRAM
BJ-9900
TX-RXUNIT
5V0 REG
IC1045
5V0 5V0
RFAMP
Q1050 Q1047
RADIOIC
IC1041
RFAMP RadioAF
PDA PCKRadioSEN
P-AM5V-A
P-AM5V-B
AM5V-A
AM5V-B
VSIFT-B
VSIFT-A
P-RXU-A P-RXU-B P-RXV-B P-RXV-A
P-RX800-A P-RX800-B P-RX300-B P-RX300-A P-RX200-A P-RX200-B
P-TXUHF
P-TXVHF
P-VCOU-B
P-VCOU-A
P-VCOV-A
P-VCOV-B
P-AM5V-A
P-AM5V-B
VSIFT-B
VSIFT-A
RadioSEN
5V
J3001
T2002
S2001 S2002
14.7456MHz
FL1004
Q1109
AFi
LPF
Q1052
AUXSW-B
AUXSW-A
AUXSW-RD
MUTE SW
IC1102
Q1112
RadioAF
MOD
DTMF
IC1101
DTMF
IC1100

D.QUANZHOUBAOJIE ELECTRONICS CO.,LTModel:BJ-9900
Version:BJ-9900-0812-V1Page14of75
DisplayUnitSchematics:
1234567891011
A
B
C
D
E
F
G
H
I
1110987654321
I
H
G
F
E
D
C
B
A
GND
21 S1
20 S2
19 S3
18 S4
17 S5
16 S6
15 S7
14 S8
13 S9
12 S10
11 S11
10 S12
9S13
8S14
7S15
6S16
5S17
4S18
3S19
2S20
1S21
80
S22 79 S23 78 S24 77 S25 76 S26 75 S27 74 S28 73 S29 72 S30 71 S31 70 S32 69 S33 68 S34 67 S35 66 S36 65 S37 64 S38 63 S39 62
S40 61
D0
37
D1
38
D2
39
D3 40
D4 41
D5 42
D6 43
D7 44
C1 45
C2 46
C3 47
C4 48
C5 49
C6 50
C7 51
C8 52
C9 53
C10 54
C11 55
C12 56
C13 57
C14 58
C15 59
C16 60
OSC1
22
OSC2
23
V1
24
V2
25
V3
26
V4
27
V5
28
CL1
29
CL2
30
VCC
31
M
32
D
33
RS
34
RW
35
E
36
U2003
A-C16 1 A-C15 2 A-C14 3 A-C13 4 A-C12 5 A-C11 6 A-C10 7
A-C9 8 A-C8 9 A-C7 10 A-C6 11 A-C5 12 A-C4 13 A-C3 14 A-C2 15 A-C1 16
A-S36 17
NC 18 NC 19 NC 20 NC 21 NC 22 NC 23 NC 24 NC 25 NC 26 NC 27 NC 28 NC 29 NC 30 NC 31 NC 32 NC 33 NC 34 NC 35
B-C16 36 B-C15 37 B-C14 38 B-C13 39 B-C12 40 B-C11 41 B-C10 42
B-C9 43 B-C8 44 B-C7 45 B-C6 46 B-C5 47 B-C4 48 B-C3 49 B-C2 50 B-C1 51
B-S36 52
NC 53 NC 54 NC 55 NC 56 NC 57 NC 58 NC 59 NC 60 NC 61 NC 62 NC 63 NC 64 NC 65 NC 66 NC 67 NC 68 NC 69 NC 70
A-S1
71
A-S2
72
A-S3
73
A-S4
74
A-S5
75
A-S6
76
A-S7
77
A-S8
78
A-S9
79
A-S10
80
A-S11
81
A-S12
82
A-S13
83
A-S14
84
A-S15
85
A-S16
86
A-S17
87
A-S18
88
A-S19
89
A-S20
90
A-S21
91
A-S22
92
A-S23
93
A-S24
94
A-S25
95
A-S26
96
A-S27
97
A-S28
98
A-S29
99
A-S30
100
A-S31
101
A-S32
102
A-S33
103
A-S34
104
A-S35
105
B-S1
106
B-S2
107
B-S3
108
B-S4
109
B-S5
110
B-S6
111
B-S7
112
B-S8
113
B-S9
114
B-S10
115
B-S11
116
B-S12
117
B-S13
118
B-S14
119
B-S15
120
B-S16
121
B-S17
122
B-S18
123
B-S19
124
B-S20
125
B-S21
126
B-S22
127
B-S23
128
B-S24
129
B-S25
130
B-S26
131
B-S27
132
B-S28
133
B-S29
134
B-S30
135
B-S31
136
B-S32
137
B-S33
138
B-S34
139
B-S35
140
DS2001
1
2
3
4
5
J2001
NC
S2012
STP-A
S2013
H/L-A
S2014
CMP-A
S2015
CMP-B
S2016
H/L-B
S2017
STP-B
S2004
SCN-A
S2005
EXIT-A
S2006
V/M-A
S2007
MHz-A
S2008
SCN-B
S2009
EXIT-B
S2010
V/M-B
S2011
MHz-B
S2003
FM
A
3
C
2
B
1
5
4
S2001
A-CHSW
R2001
22K R2002 22K
R2006
0R
R2005
0R C2017
103P C2018
103P
C2001
102P R2010
47K
A
3
C
2
B
1
5
4
S2002
B-CHSW
R2003
22K R2004 22K
R2008
0R
R2007
0R C2019
103P C2020
103P
C2002
102P R2009
47K
A-PSW
A-CHB
A-CHA
B-CHA
B-CHB
B-PSW
C2003
102P C2004 102P C2005 102P
1
2
3
4
5
J2002
NC C2006
102P C2007 102P C2008 102P R2077
82K
R2066
1K8
R2071
2K2
R2072
2K2
R2073
2K2
R2074
2K2 R2079
820R
C2027
104P
C2028
104P C2031 100P
L2005
CH220NH
GND
21 S1
20 S2
19 S3
18 S4
17 S5
16 S6
15 S7
14 S8
13 S9
12 S10
11 S11
10 S12
9S13
8S14
7S15
6S16
5S17
4S18
3S19
2S20
1S21
80
S22 79 S23 78 S24 77 S25 76 S26 75 S27 74 S28 73 S29 72 S30 71 S31 70 S32 69 S33 68 S34 67 S35 66 S36 65 S37 64 S38 63 S39 62
S40 61
D0
37
D1
38
D2
39
D3 40
D4 41
D5 42
D6 43
D7 44
C1 45
C2 46
C3 47
C4 48
C5 49
C6 50
C7 51
C8 52
C9 53
C10 54
C11 55
C12 56
C13 57
C14 58
C15 59
C16 60
OSC1
22
OSC2
23
V1
24
V2
25
V3
26
V4
27
V5
28
CL1
29
CL2
30
VCC
31
M
32
D
33
RS
34
RW
35
E
36
U2002
R2076
82K
R2065
1K8
R2067
2K2
R2068
2K2
R2069
2K2
R2070
2K2 R2078
820R
C2025
104P
C2026
104P C2030 100P
L2004 CH220NH
A-C1
A-C2
A-C3
A-C4
A-C5
A-C6
A-C7
A-C8
A-C9
A-C10
A-C11
A-C12
A-C13
A-C14
A-C15
A-C16
B-C1
B-C2
B-C3
B-C4
B-C5
B-C6
B-C7
B-C8
B-C9
B-C10
B-C11
B-C12
B-C13
B-C14
B-C15
B-C16
A-S1
A-S2
A-S3
A-S4
A-S5
A-S6
A-S7
A-S8
A-S9
A-S10
A-S11
A-S12
A-S13
A-S14
A-S15
A-S16
A-S17
A-S18
A-S19
A-S20
A-S21
A-S22
A-S23
A-S24
A-S25
A-S26
A-S27
A-S28
A-S29
A-S30
A-S31
A-S32
A-S33
A-S34
A-S35
B-S1
B-S2
B-S3
B-S4
B-S5
B-S6
B-S7
B-S8
B-S9
B-S10
B-S11
B-S12
B-S13
B-S14
B-S15
B-S16
B-S17
B-S18
B-S19
B-S20
B-S21
B-S22
B-S23
B-S24
B-S25
B-S26
B-S27
B-S28
B-S29
B-S30
B-S31
B-S32
B-S33
B-S34
B-S35
A-S1
A-S2
A-S3
A-S4
A-S5
A-S6
A-S7
A-S8
A-S9
A-S10
A-S11
A-S12
A-S13
A-S14
A-S15
A-S16
A-S17
A-S18
A-S19
A-S20
A-S21
A-S22
A-S23
A-S24
A-S25
A-S26
A-S27
A-S28
A-S29
A-S30
A-S31
A-S32
A-S33
A-S34
A-S35
A-S36
A-S36
B-S36
B-S1
B-S2
B-S3
B-S4
B-S5
B-S6
B-S7
B-S8
B-S9
B-S10
B-S11
B-S12
B-S13
B-S14
B-S15
B-S16
B-S17
B-S18
B-S19
B-S20
B-S21
B-S22
B-S23
B-S24
B-S25
B-S26
B-S27
B-S28
B-S29
B-S30
B-S31
B-S32
B-S33
B-S34
B-S35
B-S36
A-C1
A-C2
A-C3
A-C4
A-C5
A-C6
A-C7
A-C8
A-C9
A-C10
A-C11
A-C12
A-C13
A-C14
A-C15
A-C16
B-C1
B-C2
B-C3
B-C4
B-C5
B-C6
B-C7
B-C8
B-C9
B-C10
B-C11
B-C12
B-C13
B-C14
B-C15
B-C16
R2025 220K
R2016 33K R2013
68K
R2018 100K
R2024
220K
R2012 68K
R2015 33K
R2017 100K
R2011
68K
KEY1 KEY2 SET-KEY
A-SQL
B-SQL
A-AF
DXKEY
5V
5V
B-AF
POWERSW
A-SQL
B-SQL
A-AF
DX-KEY
B-AF
POWERSW
in
gnd
out
U2004
R2089
10R
C2036
105P C2013 102P
R2088 220R
T2002
T2001
R2084
NC
R2082
120R
R2083
NC
R2080
120R
R2081
120R
C2009
102P
C2029
104P
C2012
102P
C2011
102P R2086
NC
C2010
102P
+E2005
10uF(T.Y.)
RXD TXD
GND 9V POWERSW
PTT SW1 SW2
GND GND
R2061 1K
R2062 1K R2059 1K
R2058 1K
C2040
47P
C2039
47P
C2032
NC
C2038
47P
C2037
47P
R2020
100K
R2019
100K
D2003
R2060
1K
R20631K
R2064
1K
C2015
102P
C2016
102P
C2014
102P C2033
NC
C2034
NC
D2004 C2035
NC
R2023 100K
R2022 100K
R2021 100K
RXD TXD SW1 SW2 PTT
1
2
3
4
5
6
BJ-9900
SCHEMATIC DIAGRAM
Drawing ByCAREY Netec 120808
BetaV2.1
D4 D5 D6 D7 D4 D5 D6 D7 A-CS B-CS RS RS
NRST 1
OSCIN 2
OSCOUT 3
VSSIO_1 4
VSS 5
VCAP 6
VDD 7
VDDIO_1 8
PA3 9
PA4/UART1_RX 10
PA4/UART1_TX 11
PA6 12
VDDA 13
VSSA 14
PB7/AIN7 15 PB6/AIN6 16 PB5/AIN5 17 PB4/AIN4 18 PB3/AIN3 19 PB2/AIN2 20 PB1/AIN1 21 PB0/AIN0 22
PE7 23 PE6 24
PE5
25
PC1
26
PC2
27
PC3
28
PC4
29
PC5
30
VSSIO_2
31
VDDIO_2
32
PC6
33
PC7
34
PG0
35
PG1
36
PE3
37
PE2
38
PE1
39
PE0
40
PD0
41
PD1
42
PD2
43
PD3
44
PD4
45
PD5
46
PD6
47
PD7
48
U2001
RXD TXD KEY2 KEY1 A-SQL A-AF SW1 SW2 B-AF B-SQL PTT DX-KEY
B-PSW
B-CHA
B-CHB
A-CHA
A-CHB
A-PSW
SET-KEY
H1-KEY H2-KEY H3-KEY
H6-KEY
H5-KEY
H4-KEY
A-CS RS D4 D5 D6 D7
RESET
R20351K
R2026 1K
R2027 1K
R2028 1K
R2029 1K
R2030 1K
R2031 1K
R2032 1K
R2033 1K
R2034 1K
R2046 1K
R2047 1K R2048 1K R2049 22K
R2050 22K
R2051
47K
R2052 1K
R2053 1K R2054 1K R2055 1K
R2056 1K R2057 1K
R2036 1K R2037 1K
R2038 1K R2039 1K R2042 1K R2043 1K R2044 1K
R2045 1K
R2041 1K R2040 1K
R2014
47K
CR2001
14.7456MHz
C2023
20P C2024 20P
+
E2004
1uF(T.Y.)
L2003 CH220NH
+
E2003 10uF(T.Y.)
L2001
CH220NH
L2002
CH220NH
R2087
10K
C2022
104P
+E2002
10uF(T.Y.)
+
E2001
10uF(T.Y.)
R2090
1K
B-CS
1
2
3
4
J2004
NC
5V
5V5V5V
5V
5V
5V 5V
5V 5V 5V 5V
5V
SWIM
GND RESET
写接口
L2006 CH220NH
+
E2006 10uF(T.Y.)
OSCIN
OSCIN
OSCOUT
OSCOUT
VCAP
VCAP
R2091
47K
H1-KEY
H2-KEY
H3-KEY
H6-KEY
H5-KEY
H4-KEY
1
2
3
4
D2001
C2100
102P
T2100
LED-G
LED-B
LED-W
R2075 220R R2085 220R R2092 220R R2093 220R R2094 220R
D2002D2005
D2006
D2008
D2010 D2012
D2014
D2007 D2009 D2011 D2013 D2015
TP2024
TP2025
TP2026
TP2027
TP2028
TP2029
TP2021
TP2022
TP2023
TP2018
TP2019
TP2020
TP2016
TP2017
TP2006
TP2007
TP2001
TP2008
TP2032
TP2037
TP2033
TP2035 TP2036
TP2034
TP2030
TP2009
TP2002
TP2010
TP2003
TP2012
TP2013
TP2004 TP2005
TP2015
TP2031
TP2038
TP2039
TP2040
TP2041
TP2014
TP2011
D2016
D2017
D2018
1 2 3 4 5 6 7 8 9
10
J2003
0.5*10P
R2095
47K
R2096
47K
R2098
47K
R2097
47K
DISPLAYUNIT

DISPLAY UNIT LAYOUTS:
QUANZHOUBAOJIE ELECTRONICS CO.,LTD. Model:BJ-9900
Version:BJ-9900-0812-V1Page15of75

QUANZHOUBAOJIE ELECTRONICS CO.,LTD.Model:BJ-9900
Version:BJ-9900-0812-V1Page16of75
DisplayunitPartsList:
Designators Name Comment
C2001 Capacitor 102P
C2002 Capacitor 102P
C2003 Capacitor 102P
C2004 Capacitor 102P
C2005 Capacitor 102P
C2006 Capacitor 102P
C2007 Capacitor 102P
C2008 Capacitor 102P
C2009 Capacitor 102P
C2010 Capacitor 102P
C2011 Capacitor 102P
C2012 Capacitor 102P
C2013 Capacitor 102P
C2014 Capacitor 102P
C2015 Capacitor 102P
C2016 Capacitor 102P
C2017 Capacitor 103P
C2018 Capacitor 103P
C2019 Capacitor 103P
C2020 Capacitor 103P
C2022 Capacitor 104P
C2023 Capacitor 20P
C2024 Capacitor 20P
C2025 Capacitor 104P
C2026 Capacitor 104P
C2027 Capacitor 104P
C2028 Capacitor 104P
C2029 Capacitor 104P
C2030 Capacitor 100P
C2031 Capacitor 100P
C2036 Capacitor 105P
C2037 Capacitor 47P
C2038 Capacitor 47P
C2039 Capacitor 47P
C2040 Capacitor 47P
C2100 Capacitor 102P

QUANZHOUBAOJIE ELECTRONICS CO.,LTD.Model:BJ-9900
Version:BJ-9900-0812-V1Page17of75
CR2001 Crystal 14.7456MHz
D2001 LCD BACKLIT
D2002 LED White
D2003 Diode HZM27WA
D2004 Diode HZM27WA
D2005 LED White
D2006 LED White
D2007 LED White
D2008 LED White
D2009 LED White
D2010 LED White
D2011 LED White
D2012 LED White
D2013 LED White
D2014 LED White
D2015 LED White
DS2001 LCD
E2001 CapacitorTAN. 10uF(T.Y.)
E2002 CapacitorTAN. 10uF(T.Y.)
E2003 CapacitorTAN. 10uF(T.Y.)
E2004 CapacitorTAN. 1uF(T.Y.)
E2005 CapacitorTAN. 10uF(T.Y.)
E2006 CapacitorTAN. 10uF(T.Y.)
J2003 PIN ASSY 0.5*10P
L2001 Inductor Ceramic
L2002 Inductor Ceramic
L2003 Inductor Ceramic
L2004 Inductor Ceramic
L2005 Inductor Ceramic
L2006 Inductor Ceramic
R2001 Resistor 22K
R2002 Resistor 22K
R2003 Resistor 22K
R2004 Resistor 22K
R2005 Resistor 0R
R2006 Resistor 0R
R2007 Resistor 0R
R2008 Resistor 0R

QUANZHOUBAOJIE ELECTRONICS CO.,LTD.Model:BJ-9900
Version:BJ-9900-0812-V1Page18of75
R2009 Resistor 47K
R2010 Resistor 47K
R2011 Resistor 68K
R2012 Resistor 68K
R2013 Resistor 68K
R2014 Resistor 47K
R2015 Resistor 33K
R2016 Resistor 33K
R2017 Resistor 100K
R2018 Resistor 100K
R2019 Resistor 100K
R2020 Resistor 100K
R2021 Resistor 100K
R2022 Resistor 100K
R2023 Resistor 100K
R2024 Resistor 220K
R2025 Resistor 220K
R2026 Resistor 1K
R2027 Resistor 1K
R2028 Resistor 1K
R2029 Resistor 1K
R2030 Resistor 1K
R2031 Resistor 1K
R2032 Resistor 1K
R2033 Resistor 1K
R2034 Resistor 1K
R2035 Resistor 1K
R2036 Resistor 1K
R2037 Resistor 1K
R2038 Resistor 1K
R2039 Resistor 1K
R2040 Resistor 1K
R2041 Resistor 1K
R2042 Resistor 1K
R2043 Resistor 1K
R2044 Resistor 1K
R2045 Resistor 1K
R2046 Resistor 1K

QUANZHOUBAOJIE ELECTRONICS CO.,LTD.Model:BJ-9900
Version:BJ-9900-0812-V1Page19of75
R2047 Resistor 1K
R2048 Resistor 1K
R2049 Resistor 22K
R2050 Resistor 22K
R2051 Resistor 47K
R2052 Resistor 1K
R2053 Resistor 1K
R2054 Resistor 1K
R2055 Resistor 1K
R2056 Resistor 1K
R2057 Resistor 1K
R2058 Resistor 1K
R2059 Resistor 1K
R2060 Resistor 1K
R2061 Resistor 1K
R2062 Resistor 1K
R2063 Resistor 1K
R2064 Resistor 1K
R2065 Resistor 2K2
R2066 Resistor 2K2
R2067 Resistor 2K2
R2068 Resistor 2K2
R2069 Resistor 2K2
R2070 Resistor 2K2
R2071 Resistor 2K2
R2072 Resistor 2K2
R2073 Resistor 2K2
R2074 Resistor 2K2
R2075 Resistor 220R
R2076 Resistor 82K
R2077 Resistor 82K
R2078 Resistor 820R
R2079 Resistor 820R
R2080 Resistor 120R
R2081 Resistor 120R
R2082 Resistor 120R
R2085 Resistor 220R
R2087 Resistor 10K

QUANZHOUBAOJIE ELECTRONICS CO.,LTD.Model:BJ-9900
Version:BJ-9900-0812-V1Page20of75
R2088 Resistor 220R
R2089 Resistor 10R
R2090 Resistor 1K
R2091 Resistor 47K
R2092 Resistor 220R
R2093 Resistor 220R
R2094 Resistor 220R
R2095 Resistor 47K
R2096 Resistor 47K
R2097 Resistor 47K
R2098 Resistor 47K
S2001 Encoder
S2002 Encoder
S2003 SwitchKEY
S2004 SwitchKEY
S2005 SwitchKEY
S2006 SwitchKEY
S2007 SwitchKEY
S2008 SwitchKEY
S2009 SwitchKEY
S2010 SwitchKEY
S2011 SwitchKEY
S2012 SwitchKEY
S2013 SwitchKEY
S2014 SwitchKEY
S2015 SwitchKEY
S2016 SwitchKEY
S2017 SwitchKEY
T2001 Transistor NPNTransistor
T2002 Transistor NPNTransistor
T2100 Transistor NPNTransistor
U2001 IC MCU
U2002 IC LCD Drive
U2003 IC LCD Drive
U2004 IC Powermanagement IC