Optional Units (Schematics, Layouts & Parts)įVP-25 Encryption/DTMF Pager Unit. Your cooperation in pointing out any inconsistencies in the technical information would be appreciated.īoard Units (Schematics, Layouts & Parts) While we believe the information in this manual to be correct, Vertex Standard assumes no liability for damage that may occur as a result of typographical or other errors that may be present. In most cases one side has only chip components (surface-mount devices), and the other has either a mixture of both chip and leaded components (trimmers, coils, electrolytic capacitors, ICs, etc.), or leaded components only.Īs described in the pages to follow, the advanced microprocessor design of the VX-4200/-4100 allows a complete alignment of this transceiver to be performed without opening the case of the radio all adjustments can be performed from the personal computer, using with the Vertex Standard VPL-1 Programming Cable and CE59 Software. Each side of the board is referred to by the type of the majority of components installed on that side (“Side A” or “Side B”). Two PCB layout diagrams are provided for each double-sided board in this transceiver. Attempts by non-qualified persons to service this equipment may result in permanent damage not covered by the warranty, and may be illegal in some countries. Servicing this equipment requires expertise in handing surface-mount chip components. This manual provides the technical information necessary for servicing the VX-4200/-4100 Series Mobile Transceiver.
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