Vertex Standard LTR VX-2200 Service Manual

UHF FM Transceiver
VX-2200 ( LTR
Service Manual
©
2009 VERTEX STANDARD CO., LTD.
Introduction
This manual provides the technical information necessary for servicing the VX-2200 ( LTR
Servicing this equipment requires expertise in handing surface-mount chip components. 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.
Two PCB layout diagrams are provided for each double-sided board in this transceiver. 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"). 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.
As described in the pages to follow, the advanced microprocessor design of the VX-2200 ( LTR
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 CE94 Software.
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. Your cooperation in pointing out any
inconsistencies in the technical information would be appreciated.
This transceiver was assembled using Pb (lead) free solder, based on the RoHS specification.
Only lead-free solder (Alloy Composition: Sn-3.0Ag-0.5Cu) should be used for repairs performed on this ap-
paratus. The solder stated above utilizes the alloy composition required for compliance with the lead-free
specification, and any solder with the above alloy composition may be used.
Specifications ........................................................... A-1
DSUB 15-pin Accessory Connector ...................... B-1
Exploded View & Miscellaneous Parts ............... C-1
Connection Diagram .............................................. D-1
Block Diagram .......................................................... E-1
Circuit Description .................................................. F-1
)
®
(EC084U90B)
LTR ® is a registered trademark of E.F. Johnson Company.
Important Note
Contents
Alignment ................................................................ G-1
Installation of Option ............................................ H-1
Board Units (Schematics, Layouts & Parts)
MAIN Unit ............................................................ I-1
FRONT-B Unit ...................................................... J-1
VERTEX STANDARD CO., LTD.
4-8-8 Nakameguro, Meguro-Ku, Tokyo 153-8644, Japan
VERTEX STANDARD
US Headquarters
10900 Walker Street, Cypress, CA 90630, U.S.A.
YAESU UK LTD.
Unit 12, Sun Valley Business Park, Winnall Close
Winchester, Hampshire, SO23 0LB, U.K.
VERTEX STANDARD HK LTD.
Unit 5, 20/F., Seaview Centre, 139-141 Hoi Bun Road,
Kwun Tong, Kowloon, Hong Kong
VERTEX STANDARD ( AUSTRALIA ) PTY., LTD.
Normanby Business Park, Unit 14/45 Normanby Road
Notting Hill 3168, Victoria, Australia
) Mobile Transceiver.
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) allows a complete
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