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©2003 VERTEX STANDARD CO., LTD. E126990A
50/144/430 MHz Triple-Band
Heavy Duty FM Transceiver
This manual provides the technical information necessary for servicing
the VX-5R Triple-Band Heavy Duty FM Transceiver.
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 war-
ranty, and may be illegal in some countries.
Two PCB layout diagrams 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, and the other has ei-
ther a mixture of both chip and leaded components (trimmers, coils,
electrolytic capacitors, ICs, etc.), or leaded components only.
While we believe the information in this manual to be correct, VER-
TEX STANDARD assumes no liability for damage that may occur as a
result of typographical or other errors that may be present. Your coop-
eration in pointing out any inconsistencies in the technical informa-
tion would be appreciated.
Exploded View & Miscellaneous Parts
Board Unit (Schematics, Layouts & Parts)
VERTEX STANDARD CO., LTD.
4-8-8 Nakameguro, Meguro-Ku, Tokyo 153-8644, Japan
10900 Walker Street, Cypress, CA 90630, U.S.A.
8350 N.W. 52nd Terrace, Suite 201, Miami, FL 33166, U.S A.
YAESU EUROPE B.V.
P.O. Box 75525, 1118 ZN Schiphol, The Netherlands
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
Repeater Shift (default):
RF Power Output:
Specifications are subject to change without notice, and are guaranteed within amateur bands only.
Rx: 0.5 - 1.8 MHz (BC Band)
1.8 - 16 MHz (SW Band)
48 - 59 MHz (50 MHz HAM)
59 - 108 MHz (FM)
108 - 137 MHz (Air Band)
137 - 174 MHz (144 MHz HAM)
174 - 222 MHz (VHF-TV)
222 - 420 MHz (ACT1: Action Band 1)
420 - 470 MHz (430 MHz HAM)
470 - 729 MHz (UHF-TV)
800 - 999 MHz (ACT2: Action Band 2, Cellular Blocked)
Tx: 50 - 54 MHz
144 - 146 MHz or 144 - 148 MHz
430 - 440 MHz or 430 - 450 MHz
±5 ppm (–10°C to +60°C)
±600 kHz (144 MHz)
±1.6/5.0/7.6 MHz (430 MHz)
Nominal: 7.2 V DC, Negative Ground
Operating: 10 - 16 V DC, Negative Ground (EXT DC jack)
150 mA (Receive)
55 mA (Standby, Saver Off)
25 mA (Standby, Saver On)
400 µA (Auto Power Off)
1.6 A (5 W Tx, 50 MHz)
1.7 A (5 W Tx, 144 MHz)
1.9 A (4.5 W Tx, 430 MHz)
–20°C to +60°C
58 (W) x 88 (H) x 27 (D) mm (w/o knob & antenna)
5 W (@ 13.8 V EXT DC IN)
5 W (@ 7.2 V, 50 MHz/144 MHz)
4.5 W (@ 7.2 V, 430 MHz)
At least 60 dB below
1st: 47.25 MHz (N-FM)
45.8 MHz (W-FM)
2nd: 450 kHz (N-FM)
10.7 MHz (W-FM)
0.16 µV for 12 dB SINAD (50 - 54 MHz/144-148 MHz, N-FM)
0.9 µV for 12 dB SINAD (76 - 108 MHz/174 - 222 MHz, W-FM)
0.18 µV for 12 dB SINAD (430 - 450 MHz, N-FM)
3 µV for 12 dB SINAD (470 - 729 MHz, except 540-630 MHz, W-FM)
15 kHz/35 kHz (-6 dB/-60 dB: N-FM)
400 mW @ 8 W for 10 % THD (@ 7.2V DC)
Exploded View & Miscellaneous Parts
Non-designated parts are available only as
part of a designated assembly. RA0138000
RUBBER KNOB (KEY BOARD)
RA014030A (Lot. 69~)
RA0363100 (VX 5RS)
RA013790A (VX 5R:Lot. 5~)
RA0137900 (VX 5R)
RUBBER KNOB (PTT)
SMA CONNECTOR ASS'Y
RA0160400 (Lot. 2~)
PACKING PAD (SMA)
TIE PLATE (PTT)
RING NUT (6´0.75) (2pcs)
MIC HOLDER RUBBER
LIGHT GUIDE (LCD)
DOUBLE FACE (WINDOW)
TAPTITE SCREW 2X3.3Ni
TAPTITE SCREW M2X4Ni
TAPTITE SCREW M2X15Ni
TAPTITE SCREW M2X22B
TAPTITE SCREW M2X5B
BINDING HEAD SCREW M2X4Ni
NYLON WASHER WN-1
TAPTITE SCREW M2X3NI (Lot.5-)
TAPTITE SCREW M1.7X3NI#1 (Lot.5-)
CP6330008 (VX 5RS)
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