Midland Radio SP-300 Series VHF RF Section Parts List, REF # Description Replacement Modules

Page 34

MAXON

SP-300 HAND HELD

SP-300 SERIES VHF RF SECTION PARTS LIST

REF #

DESCRIPTION

PART #

 

REPLACEMENT MODULES

 

 

FRONT ENDASSY, VHF(SEE NOTE 1)

650-110-0012

 

VCOTX/RX ASSY, VHF (SEE NOTE 1)

650-030-0021

 

POWERAMPASSY, VHF(SEE NOTE 1)

650-230-0012

 

TCXO ASSY, VHF(SEE NOTE 1)

650-100-0002

 

COMPONENTS

 

C1

CAP,CER,0.001UF,10%,50V,X7R,0603

100-621-1102

C2

CAP,TA,10UF,293D106X06R3A2T6.3V

102-013-0106

C3

CAP,CER,0.001UF,10%,50V,X7R,0603

100-621-1102

C4

CAP,CER,0.001UF,10%,50V,X7R,0603

100-621-1102

C5

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

100-621-1471

C6

CAP,TA,4.7UF,20%,10V,3216

102-023-0475

C7

CAP,CER,0.001UF,10%,50V,X7R,0603

100-621-1102

C8

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

100-621-1471

C9

CAP,CER,0.001UF,10%,50V,X7R,0603

100-621-1102

C11

CAP,CER,0.1UF,+80-20%,25V,Y5V,0603

100-813-1104

C12

CAP,TA,10UF,293D106X06R3A2T6.3V

102-013-0106

C13

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

100-521-1103

C14

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

100-621-1471

C15

CAP,CER,0.1UF,+80-20%,25V,Y5V,0603

100-813-1104

C16

CAP,CER,2PF,.25%,50V,COG,0603

100-020-1020

C17

CAP,CER,0.1UF,+80-20%,25V,Y5V,0603

100-813-1104

C18

CAP,CER,0.001UF,10%,50V,X7R,0603

100-621-1102

C19

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

100-621-1471

C20

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

100-621-1471

C21

CAP,METAL,POLY,0.33UF,63VBOX

083-013-2334

C22

CAP,METAL,POLY,.022UF,63VBOX

083-013-2223

C23

CAP,MYLAR,.01UF,63VKBOXTYPE

083-014-2103

C24

CAP,MYLAR,.01UF,63VKBOXTYPE

083-014-2103

C25

CAP,CER,1UF,+80-20%,16V,Y5V,0805

100-803-2105

C26

CAP,CER,0.1UF,+80-20%,25V,Y5V,0603

100-813-1104

C34

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

100-520-1221

C35

CAP,CER,0.001UF,10%,50V,X7R,0603

100-621-1102

C36

CAP,CER,14PF,5%,50V,COG,0805

100-520-2140

C37

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

100-520-1330

C38

CAP,CER,43PF GRM40COG430J50VPT

100-520-2430

C39

CAP,CER,0.001UF,10%,50V,X7R,0603

100-621-1102

C42

CAP,CER,0.001UF,5%,50V,COG,0805

100-520-2102

C43

CAP,CER,3PF,.25PF,50V,COG,0603

100-020-1030

C44

CAP,TA,4.7UF,20%,10V,3216

102-023-0475

C45

CAP,CER,10PF,.5%,50V,COG,0603

100-120-1100

C46

CAP,CER,8PF,50V,.5PF,COG,1/16W,0603

100-120-1080

C47

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

100-621-1471

C50

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

100-520-1330

C51

CAP,CER,10PF,5%,50V,COG,0603

100-120-1100

C53

CAP,CER,1UF,+80-20%,16V,Y5V,0805

100-803-2105

C54

CAP,CER,0.001UF,10%,50V,X7R,0603

100-621-1102

C55

CAP,CER,0.001UF,10%,50V,X7R,0603

100-621-1102

C57

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

100-621-1471

C58

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

100-621-1471

NOTES:

 

 

1. Components are not available,assembly is non-repairable.

REF #

DESCRIPTION

PART #

C59

CAP,CER,0.47UF GRM40Y5V474Z16VPT

100-803-2474

C60

CAP,TA,4.7UF,20%,10V,3216

102-023-0475

C61

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

100-621-1471

C62

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

100-621-1471

C63

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

100-521-1103

C64

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

100-621-1471

C65

CAP,TA,10UF,20%,10V,B,3528

102-023-1106

C66

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

100-621-1471

C67

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

100-621-1471

C68

CAP,CER,0.001UF,5%,50V,COG,0805

100-520-2102

C70

CAP,CER,1UF,+80-20%,16V,Y5V,0805

100-803-2105

C72

CAP,CER,6PF,0.5PF,50V,COG,0805

100-120-2060

C73

CAP,CER,30PF,5%,50V,COG,0805

100-520-2300

C74

CAP,CER,36PF GRM40COG360J50VPT

100-520-2360

C75

CAP,CER,24PF,5%,50V,COG,0805

100-520-2240

C76

CAP,CER,9PF,0.5PF,50V,COG,0805

100-020-2090

C77

CAP,CER,0.001UF,5%,50V,COG,0805

100-520-2102

C78

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

100-621-1471

C79

CAP,CER,0.1UF,+80-20%,25V,Y5V,0603

100-813-1104

C81

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

100-621-1471

C82

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

100-621-1471

C83

CAP,CER,7PF,.5PF,50V,COG,0603

100-120-1070

C84

CAP,CER,0.001UF,10%,50V,X7R,0603

100-621-1102

C86

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

100-621-1471

C87

CAP,CER,27PF,5%,50V,COG,0603

100-520-1270

C88

CAP,CER,0.1UF,+80-20%,25V,Y5V,0603

100-813-1104

C90

CAP,CER,7PF,.5PF,50V,COG,0603

100-120-1070

C92

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

100-520-1180

C93

CAP,CER,82PF,5%,COG,50V,0603

100-520-1820

C94

CAP,CER,1UF,+80-20%,16V,Y5V,0805

100-803-2105

C95

CAP,TA,4.7UF,20%,10V,3216

102-023-0475

C96

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

100-521-1103

C97

CAP,CER,30PF,5%,50V,COG,0603

100-520-2300

C98

CAP,CER,0.001UF,10%,50V,X7R,0603

100-621-1102

C102

CAP,CER,0.1UF,10%,25V,X7R,0805

100-611-2104

C103

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

100-621-1471

C104

CAP,CER,0.001UF,10%,50V,X7R,0603

100-621-1102

C105

CAP,CER,47PF,5%,50V,COG,0603

100-520-1470

C106

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

100-521-1103

C107

CAP,CER,10PF,.5%,50V,COG,0603

100-120-1100

C108

CAP,CER,.0015UF,GRM39X7R152K50VPT

100-621-1151

C109

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

100-621-1471

C111

CAP,CER,0.1UF,10%,25V,X7R,0805

100-611-2104

C112

CAP,CER,0.033UF,10%,16V,X7R,0603

100-601-1333

C113

CAP,CER,0.1UF,10%,25V,X7R,0805

100-611-2104

C114

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

100-521-1103

C115

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

100-520-1221

C116

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

100-521-1103

C117

CAP,CER,47PF,5%,50V,COG,0603

100-520-1470

C118

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

100-520-1330

C121

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

100-520-1200

C122

CAP,CER,0.001UF,5%,50V,COG,0805

100-520-2102

C123

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

100-521-1103

C124

CAP,CER,0.1UF,10%,25V,X7R,0805

100-611-2104

C125

CAP,CER,0.1UF,10%,25V,X7R,0805

100-611-2104

C126

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

100-521-1103

C127

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

100-521-1103

Page -31- May 2001

Image 34
Contents Service Manual Table of Contents Board Layout Exploded View General SpecificationsTemperature Range Current ConsumptionAdjacent Channel Power DimensionsWeight Frequency BandsReceiver Peak Deviation @ 1 kHz Nom. Dev +20dBRX Tone Demodulation Characteristics Features SP-300INTRODUCTIONBusy Channel Lockout VCO Lock Time Description of Controls DescriptionTheory of Operation Digital CircuitsRF Circuits RF Circuits PLL Synthesizer Noise Detector Squelch mute CircuitKHz Band Pass Filter Speaker Audio AmplifierRemoving the belt clip Maintenance and RepairRemoving & Replacing the Belt Clip To replace the belt clipTo replace the battery Removing & Replacing the BatteryTo remove the battery To remove the PTT assemblyRemoving & Replacing the ACCES- Sory Connector Removing & Replacing the Antenna & Control KnobsTo remove the Back Cover Removing & Replacing the Back CoverTo replace the Back Cover Removing & Replacing the Main Board To remove the Main BoardTo replace the Main Board Removing & Replacing the DAUGH- TER Boards Component ReplacementRemoving & Replacing the Speaker Surface Mount Component Replacement Surface Mounted Integrated Circuit ReplacementProgramming Alignment ProcedureCloning RX VCO Test Equipment Setup S.G. @ 1kHz AudioAlignment Points Diagram TP1Troubleshooting Guide Symptoms Causes Counter MeasuresVoltage Charts Main CircuitReceive State Transmit State SP-300 Series UHF & VHF Digital Section Parts List REF# Description PART#-30- May SP-300 Series VHF RF Section Parts List REF # Description Replacement Modules-32- May -33- May SP-300 Series UHF RF Section Parts List -35- May -36- May -37- May Component Pinout KTA1504SY-39- May Base Diagram PIN Description VHF FRONT-END VHF Power AMPUHF Power AMP UHF FRONT-ENDVHF V.C.O UHF V.C.OTcxo ACC-200 BatteryFuse SP-300 Series VHF RF Schematic UHF RF Schematic -47- May Board Layout Top Main Board Assembly 416121B -49- May