Midland Radio SP-300 service manual 32- May

Page 35

MAXON

SP-300 HAND HELD

REF #

DESCRIPTION

PART #

 

REF #

DESCRIPTION

PART #

C128

CAP,TA,10UF,20%,16V,3216

102-023-1106

 

L17

COIL,CHIP, 1000U,300SS-102K=CP3

370-013-4102

C129

CAP,ELE,10UF,16V20%3X5 5.0PT

081-032-3106

 

L18

COIL,CHIP, 1.0UH:NL252018T-1R0J

371-017-3102

C131

CAP,CER,0.01UF,5%,50V,X7R,0603

100-521-1103

 

L19

COILCHIP,10UH:LER015T100K

371-005-3103

C132

CAP,TA,4.7UF,20V,3528:293D475X0020B2T20V

102-043-1475

 

Q1

TRANS,BRT,PNP,KRA102SPB,SOT-23,SW,(PB)

870-010-0007

C133

CAP,TA,1.0UF,20%,16V,3216

102-033-0105

 

Q2

TRANS,BRT,PNP,KRA110SPK,SOT-23,SW,PK

870-010-0010

C134

CAP, CER,.047UF,0603,

100-813-1473

 

Q3

TRANS,BRT,PNP,KRA110SPK,SOT-23,SW,PK

870-010-0010

C135

CAP, TA,10UF, 293D106X0004A2T4V

102-003-0106

 

Q4

TRANS,BRT,PNP,KRA110SPK,SOT-23,SW,PK

870-010-0010

C136

CAP, TA, 100UF, 20%, 6.3V, D

102-013-3107

 

Q5

TRANS,KRA104S,SOT-23

870-010-0005

C137

CAP, CER,470PF,10%,50V,X7R,0603

100-621-1471

 

Q6

TRANS,NPN,KTC3875(BL),SOT-23,SW,(ALL)

870-200-0006

C145

CAP, CER,470PF,10%,50V,X7R,0603

100-621-1471

 

Q7

TRANS,PNP,KTA1504(Y),SOT-23,SW

870-100-0004

C146

CAP, CER,220PF,5%,50V,COG,0603

100-520-1221

 

Q8

TRANS,PNP,KTA1504(Y),SOT-23,SW

870-100-0004

C901

CAP, CER, 0.01UF,5%,50V,X7R,0603

100-521-1103

 

Q11

TRANS,NPN,KTC3875(BL),SOT-23,SW,(ALL)

870-200-0006

C902

CAP, CER, 0.01UF,5%,50V,X7R,0603

100-521-1103

 

Q12

TRANS,NPN,BFR92A,SOT-23,RFAMP,(P2P)

870-200-0020

C903

CAP, CER, 0.01UF,5%,50V,X7R,0603

100-521-1103

 

Q13

TRANS,NPN,KTC3875(BL),SOT-23,SW,(ALL)

870-200-0006

C904

CAP, CER, 0.01UF,5%,50V,X7R,0603

100-521-1103

 

Q14

TRANS,NPN,KTC3875(BL),SOT-23,SW,(ALL)

870-200-0006

C905

CAP, CER,18PF,5%,50V,COG,0603

100-520-1180

 

Q16

TRANS,900MHZ AMP,MMB1321Q4LT1,SOT-23

870-200-0008

C906

CAP, CER,18PF,5%,50V,COG,0603

100-520-1180

 

Q17

TRANS,900MHZ AMP,MMB1321Q4LT1,SOT-23

870-200-0008

C907

CAP, CER, 0.1UF,5%,25V,X7R,0603

100-813-1104

 

Q18

TRANS,BRT,NPN,KRC104S,SOT-23,SW,ND

870-020-0001

C908

CAP,CER,33PF,5%,50V,COG,0603

100-520-1330

 

Q19

TRANS,NPN,KTC3875(BL),SOT-23,SW,(ALL)

870-200-0006

C910

CAP, CER, 0.01UF,5%,50V,X7R,0603

100-521-1103

 

Q21

TRANS,NPN,KTC3875(BL),SOT-23,SW,(ALL)

870-200-0006

C911

CAP, CER, 0.01UF,5%,50V,X7R,0603

100-521-1103

 

Q22

TRANS,PNP,KTA1663(Y),SOT-89,HC/SW,(HY)

870-150-0002

C999

CAP,CER,20PF,5%,50V,COG,0603

100-520-1200

 

Q23

TRANS,BRT,NPN,KRC104S,SOT-23,SW,ND

870-020-0001

CF1

FILTER CERAMIC LT-455FW

310-101-0010

 

Q24

TRANS,BRT,NPN,KRC104S,SOT-23,SW,ND

870-020-0001

CF2

FILTER, CER,CF455HT,455KHZ

310-101-0013

 

Q25

TRANS,NPN,BFR92A,SOT-23,RFAMP,(P2P)

870-200-0020

CON701

CONNECTOR SOCKET,SSW-106-02-G-D-RA

140-020-0054

 

Q26

TRANS,NPN,KTC3875(BL),SOT-23,SW,(ALL)

870-200-0006

D1

DIODE,SW,KDS181S,SOT-23

220-010-0004

 

Q27

TRANS,NPN,KTC3875(BL),SOT-23,SW,(ALL)

870-200-0006

D5

DIODE,PIN,UPP9401,NEEDPKG SIZE

220-020-0001

 

Q28

TRANS,BRT,NPN,KRC104S,SOT-23,SW,ND

870-020-0001

D6

DIODE,PIN,UPP9401,NEEDPKG SIZE

220-020-0001

 

Q31

TRANS,BRT,NPN,KRC104S,SOT-23,SW,ND

870-020-0001

D8

DIODE,SW,KDS193,SOT-23

220-010-0003

 

Q32

TRANS,BRT,NPN,KRC104S,SOT-23,SW,ND

870-020-0001

D9

DIODEVARICAPCHIP ND433G 5V (SOP-08)

220-040-0009

 

Q33

TRANS,PNP,KTA1504(Y),SOT-23,SW

870-100-0004

D11

DIODE,SW,KDS193,SOT-23

220-010-0003

 

Q34

TRANS,BRT,NPN,KRC104S,SOT-23,SW,ND

870-020-0001

D12

DIODE,SW,KDS193,SOT-23

220-010-0003

 

Q901

TRANS,NPN,KTC4075,UMT3

870-200-0031

D13

DIODE,SW,KDS181S,SOT-23

220-010-0004

 

Q902

TRANS,KTA2014,MAX-900K

870-100-0018

D14

DIODE,SW,KDS181S,SOT-23

220-010-0004

 

Q903

TRANS,NPN,KTC4075,UMT3

870-200-0031

D15

DIODE, CHIP,SM4004,400V,1A,SMD

220-030-0003

 

Q904

TRANS,NPN,KTC4075,UMT3

870-200-0031

D17

DIODE,SCHOTTKY,CHIP,PRLL5817,SOD87

220-040-0008

 

Q905

TRANS,NPN,KTC4075,UMT3

870-200-0031

D18

DIODE,KDS160

220-010-0017

 

R1

RES,TF,10K,5%,1/16W, +/-200,0603

741-102-1103

D20

DIODE,KDS160

220-010-0017

 

R2

RES,TF,100K,5%,1/16W,+/-200,0603

741-102-1104

D901

DIODE,SW,KDS226,SOT-23

220-010-0005

 

R3

RES,TF,2.2K,5%,1/16W,TC250,0603

741-102-1222

D902

DIODE,SW,KDS226,SOT-23

220-010-0005

 

R4

RES,1.8K,1/16W,5%,T 1608

741-102-1182

FUSE1

FUSE,60V,4A,25NM-040-L

700-020-0002

 

R5

RES,1.8K,1/16W,5%,T 1608

741-102-1182

IC1

IC,VREG,TK11450M,+5V,SOT-23L,(R5)

441-010-0002

 

R6

RES,TF,2K, 1/16W,5%,T 1608

741-102-1202

IC2

IC,PLL,MC145193FR2,SO-20,RS-440

440-050-0011

 

R7

RES,1.8K,1/16W,5%,T 1608

741-102-1182

IC3

IC,OPAMP,LM358M,SO-8,DUALOPAMP

441-030-0006

 

R8

RES,910,1/10W,5%,T 2012

741-117-2911

IC5

IC,VHFRCVR,MC3371D,SO-16,NWRBAND

441-060-0007

 

R11

RES,TF,100, 5%,1/16W, +/-200,0603

741-102-1101

IC6

IC,AUDIOAMP,LM386M-1,0.33W,SO-8

441-040-0002

 

R12

RES,TF,5.6K,5%,1/16W,T1608

741-102-1562

L1

COIL,CHIP,47NH,20%,LL2012-F47NM

371-010-5470

 

R13

RES,TF,2.7K,5%,1/16W,+/-200,0603

741-102-1272

L3

COIL,1.2UH:NL252018T-1R2J

371-004-31R2

 

R14

RES,TF,2.7K,5%,1/16W,+/-200,0603

741-102-1272

L4

COIL,0.1UH:NL252018T-R10J

371-804-3R10

 

R15

RES,TF,100, 5%,1/16W, +/-200,0603

741-102-1101

L5

COIL,0.1UH:NL252018T-R10J

371-804-3R10

 

R16

RES,910,1/10W,5%,T 2012

741-117-2911

L6

COIL,CHIP, 1.0UH:NL252018T-1R0J

371-017-3102

 

R17

RES,TF,12K,5%,1/16W, +/-200,0603

741-102-1123

L7

COILSPRING 3X0.55X4T:LSMD

350-000-0104

 

R21

RES,TF,100, 5%,1/16W, +/-200,0603

741-102-1101

L8

COILSPRING 3X0.55X4T:LSMD

350-000-0104

 

R22

RES,TF,4.7K,5%,1/16W,+/-200,0603

741-102-1472

L11

COILSPRING 3X0.55X4T:LSMD

350-000-0104

 

R23

RES,120 1/16W5%T 1608

741-102-1121

L13

COILSPRING 2.8X0.4X8T:L

350-000-0106

 

R24

RES,5.6K,1/16W,5%,T 1608

741-102-1562

L14

COILCHIP,0.68UH:NL252018T-R68J

371-313-3681

 

R25

RES,TF,3.3K,5%,1/16W,+/-200,0603

741-102-1332

L15

COILCHIP,0.15UH:NL252018T-R15J

371-004-3R15

 

R26

RES,TF,18,1/16W, 5%,T 1608

741-102-1180

L16

COIL,CHIP, 1000U,300SS-102K=CP3

370-013-4102

 

R27

RES,TF,4.7K,5%,1/16W,+/-200,0603

741-102-1472

 

 

 

 

R28

RES,56,1/16W, 5%,T 1608

741-102-1560

 

 

 

 

R35

RES,8.2K,1/16W,5%,T 1608

741-102-1822

Page -32- May 2001

Image 35
Contents Service Manual Table of Contents Board Layout Exploded View Current Consumption SpecificationsTemperature Range GeneralFrequency Bands DimensionsWeight Adjacent Channel PowerPeak Deviation @ 1 kHz Nom. Dev +20dB ReceiverRX Tone Demodulation Characteristics SP-300INTRODUCTION FeaturesBusy Channel Lockout VCO Lock Time Description Description of ControlsDigital Circuits Theory of OperationRF Circuits RF Circuits PLL Synthesizer Speaker Audio Amplifier Squelch mute CircuitKHz Band Pass Filter Noise DetectorTo replace the belt clip Maintenance and RepairRemoving & Replacing the Belt Clip Removing the belt clipTo remove the PTT assembly Removing & Replacing the BatteryTo remove the battery To replace the batteryRemoving & Replacing the Antenna & Control Knobs Removing & Replacing the ACCES- Sory ConnectorTo replace the Back Cover Removing & Replacing the Back CoverTo remove the Back Cover To remove the Main Board Removing & Replacing the Main BoardTo replace the Main Board Removing & Replacing the Speaker Component ReplacementRemoving & Replacing the DAUGH- TER Boards Surface Mounted Integrated Circuit Replacement Surface Mount Component ReplacementCloning Alignment ProcedureProgramming RX VCO S.G. @ 1kHz Audio Test Equipment SetupTP1 Alignment Points DiagramSymptoms Causes Counter Measures Troubleshooting GuideMain Circuit Voltage ChartsReceive State Transmit State REF# Description PART# SP-300 Series UHF & VHF Digital Section Parts List-30- May REF # Description Replacement Modules SP-300 Series VHF RF Section Parts List-32- May -33- May SP-300 Series UHF RF Section Parts List -35- May -36- May -37- May KTA1504SY Component Pinout-39- May Base Diagram PIN Description UHF FRONT-END VHF Power AMPUHF Power AMP VHF FRONT-ENDUHF V.C.O VHF V.C.OFuse ACC-200 BatteryTcxo SP-300 Series VHF RF Schematic UHF RF Schematic -47- May Board Layout Top Main Board Assembly 416121B -49- May