Yaesu FTM-350AE, Техническое дополнение

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1
FTM-350AR/E Technical Supplement
Introduction
This manual provides technical information necessary for ser-
vicing the FTM-350AR/E Dual Band FM Transceiver.
Servicing this equipment requires expertise in handling sur-
face-mount chip components. Attempts by non-qualified per-
sons to service this equipment may result in permanent dam-
age not covered by the warranty, and may be illegal in some
countries.
Two PCB layout diagrams are provided for each double-sided circuit board in the Transceiver. Each side of is
referred to by the type of the majority of components installed on that side (“leaded” or “chip-only”). In most
cases one side has only chip components, and the other has either a mixture of both chip and leaded compo-
nents (trimmers, coils, electrolytic capacitors, ICs, etc.), or leaded components only.
While we believe the technical 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.
©2011 VERTEX STANDARD CO., LTD.
Technical Supplement
Specifications ...................................................... 2
Exploded View & Miscellaneous Parts ............ 5
Block Diagram .................................................... 7
Alignment ............................................................ 9
Board Unit
(Schematics, Layouts & Parts)
MAIN Unit Circuit Diagram (Lot.1~) ................... 17
MAIN Unit Parts Layout (Lot.1~) ......................... 19
MAIN Unit Circuit Diagram (Lot.5~) ................... 21
MAIN Unit Parts Layout (Lot.5~) ......................... 23
MAIN Unit Parts Layout (Lot.27~) ....................... 25
MAIN Unit Parts List ............................................ 29
Contents
PANEL Unit Circuit Diagram (Lot.1~) ................. 61
PANEL Unit Parts Layout (Lot.1~) ...................... 62
PANEL Unit Circuit Diagram (Lot.12~) ............... 63
PANEL Unit Parts Layout (Lot.12~) .................... 64
PANEL Unit Parts List .......................................... 65
PANEL-R Unit Circuit Diagram (Lot.1~) ............. 71
PANEL-R Unit Parts Layout (Lot.1~) .................. 72
PANEL-R Unit Circuit Diagram (Lot.6~) ............. 73
PANEL-R Unit Parts Layout (Lot.6~) .................. 74
PANEL-R Unit Circuit Diagram (Lot.12~) ........... 75
PANEL-R Unit Parts Layout (Lot.12~) ................ 76
PANEL-R Unit Parts List ...................................... 77
DUAL BAND FM TRANSCEIVER
FTM-350R/E
FTM-350AR/E
Important Note
The 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 appara-
tus. 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.
EH033M90D
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.
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Kwun Tong, Kowloon, Hong Kong
VERTEX STANDARD
(
AUSTRALIA
)
PTY., LTD.
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