Vertex Standard VX-4200 service manual FRONT-C Unit

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ENGESBRA Distribuidor Autorizado Vertex Standard www.radio-vertex.com.br Tel.(11) 2983-1335

FRONT-C Unit (VX-4100)

Circuit Diagram

RX: 0

V

RX: 5.0 V

TX: 5.0

V

TX: 0 V

NORMAL: 0 V

EMERGENCY MIC: 5.0 V

8.6 V

5.0 V

RX: 5.0 V

TX: 0 V

13.6 V

HOOK OFF: 5.0 V

HOOK ON: 0 V

I-1

ENGESBRA Distribuidor Autorizado Vertex Standard www.engesbra.com.br/vertex Tel.(11) 2983-1335

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Contents VHF FM Transceiver ContentsGeneral SpecificationsPin 5 Rssi Analog Output Dsub 15-pin Accessory ConnectorPage VX-4100 Front Panel Exploded View & Miscellaneous PartsExploded View & Miscellaneous Parts Block Diagram FRONT-C Unit FRONT-D Unit Circuit Description Circuit Configuration by FrequencyCircuit Description Introduction AlignmentTest Setup FVP-25/FVP-35/DVS-5/VTP-50 Installation of OptionInstallation of Option RF Unit Circuit DiagramRF Unit Parts Layout Side a Parts Layout Side B Parts List GRM36CH060D50PT GRM36CH330J50PT TEMSVA1C475M-8R Ceramic Disc Diode HSM88AS TR RFC Transistor DTA124EE TL RMC1 101JTE 16W RMC1/16S 562JTH J24189034 1103 33k 16W RMC1/16S 333JTH J24189043 1178 1256 10k 16W RMC1/16S 103JTH J24189037 1335 Coil 07RF FRONT-C Unit Parts Layout Side a Parts Layout Side B GRM39CH101J50PT FRONT-C Unit FRONT-D Unit LCD K22174235 5002 Thermistor ERTJ1VV473J FVP-25 Encryption/DTMF Pager Unit Option GRM39CH100D50PT DVS-5 Voice Storage Unit Option Parts Layout Side a VTP-50 VX-Trunk Unit Option GRM39CH100C50PT