VX-7R_s.pdf

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.....p65

50/144/430 MHz Triple-Band

Heavy Duty Submersible Transceiver

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 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

VX-7R

Technical Supplement

©2003 VERTEX STANDARD CO., LTD. EH009M90B

DW

Introduction

This manual provides the technical information necessary for servicing

the VX-7R 50/144/430 MHzTriple-Band Heavy Duty Submersible Trans-

ceiver.

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 either

a mixture of both chip and leaded components (trimmers, coils, electro-

lytic 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 information

would be appreciated.

Contents

Specification ............................................................................................................................................ 2

Exploded View & Miscellaneous Parts .............................................................................................4

Block Diagram ........................................................................................................................................ 5

Interconnection Diagram ...................................................................................................................... 6

Circuit Description ................................................................................................................................ 7

Alignment .............................................................................................................................................. 11

Board Unit (Schematics, Layouts & Parts)

RF Unit ............................................................................................................................................................................. 19

AF Unit ............................................................................................................................................................................ 33

CNTL Unit ....................................................................................................................................................................... 45

VCO Unit ......................................................................................................................................................................... 59

1

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Specifications

General

Frequency Ranges:

Rx (MAIN):

0.5 - 1.8 MHz (BC Band)

1.8 - 30 MHz (SW Band)

30-59 MHz (50 MHz HAM: USA version)

30-76 MHz (50 MHz HAM: EXP version)

59-108 MHz (FM: USA version)

76-108 MHz (FM: EXP version)

108-137 MHz (Air Band)

137-174 MHz (144 MHz HAM)

174-222 MHz (VHF-TV)

222-225 MHz (220 MHz HAM: USA version)

225-420 MHz (ACT1: Action Band 1: USA version)

222-420 MHz (ACT1: Action Band 1: EXP version)

420-470 MHz (430 MHz HAM)

470-729 MHz (UHF-TV: USA version)

470-800 MHz (UHF-TV: EXP version)

800-999 MHz (ACT2: Action Band 2, cellular Blocked)

Rx (SUB):

50 - 54 MHz

137 - 174 MHz

420 - 470 MHz

Tx: 50 - 54 MHz (MAIN & SUB)

144 - 146 MHz or 144 - 148 MHz (MAIN & SUB)

222-225 MHz (MAIN, USA version)

430 - 440 MHz or 430 - 450 MHz (MAIN & SUB)

5/9/10/12.5/15/20/25/50/100 kHz

±5 ppm (+14°F to +122°F, –10°C to +50°C)

F2, F3, A3

50-ohm

Nominal: 7.4 V DC, Negative Ground

Operating: 10 - 16 V DC, Negative Ground ( EXT DC jack)

150 mA (Mono Band Receive)

200 mA (Dual Band Receive)

55 mA (Mono Band Receive, Standby, Saver Off)

100 mA (Dual Band Receive, Standby, Saver Off)

25 mA (Mono Band Receive, Standby, Saver On "Save Ratio 1:5")

50 mA (Dual Band Receive, Standby, Saver On "Save Ratio 1:5")

400 µA (Auto Power Off)

1.6/1.3/1.0/0.7 A (50 MHz, Tx HI/L3/L2/L1)

1.71.4/1.1/0.8 A (144 MHz, Tx HI/L3/L2/L1)

0.6 A (220 MHz, Tx)

1.8/1.5/1.2/0.9/ A (430 MHz, Tx HI/L3/L2/L1)

–4°F to +140°F (–20°C to +60°C)

60 (W) x 90 (H) x 28 (D) mm (w/o knob & antenna)

250 g

Channel Steps:

Frequency Stability:

Emission Type:

Antenna Impedance:

Supply Voltage:

Current Consumption:

Operating Temperature:

Case Size:

Weight:

2

Specifications

Transmitter

RF Power Output:

5/2.5/1.0/0.5 W (50/144/430 MHz, FM)

0.3 W (220 MHz, FM)

1.0 W (50 MHz, FM)

FM: Variable Reactance

AM: Early Stage (Low Level)

±5/±2.5 kHz

At least 60 dB below (@ Tx 1W)

2 k-ohm

Modulation Type:

Maximum Deviation:

Spurious Emission:

Microphone Impedance:

Receiver

Circuit Type:

N-FM, AM: Double-Conversion Superheterodyne

W-FM: Triple-Conversion Superheterodyne

1st: 47.25 MHz (N-FM, AM)

45.8 MHz (W-FM)

2nd: 450 kHz (N-FM, AM)

10.7 MHz (W-FM)

3rd: 1 MHz (W-FM)

3.0 µV for 10 dB SINAD (0.5 - 30 MHz, AM)

0.5 µV for 12 dB SINAD (30 - 50 MHz, N-FM)

0.16 µV for 12 dB SINAD (50 - 54 MHz, N-FM)

15 kHz/35 kHz (-6 dB/-60 dB: N-FM, AM)

200 kHz/300 kHz (-6 dB/-20 dB: W-FM)

200 mW @ 8 ohm for 10 % THD (@ 7.4V DC)

400 mW @ 8 ohm for 10 % THD (@ 13.8V DC)

Intermediate Frequencies:

Sensitivity:

Selectivity:

AF Output:

Specifications are subject to change without notice, and are guaranteed within amateur bands only.

3

Exploded View & Miscellaneous Parts

U9900137 BINDING HEAD SCREW M2X21.7 (W/ O RING)

2

RA0417100

PANEL FRAME

U9900138 BINDING HEAD SCREW M2X5 (W/ O RING)

4

U07225120 PAN HEAD SCREW M2X2.5SUS#1

4

U9900136 SPECIAL SCREW M2X2.35

1

RA0304300 WASHER

1

RA0399500

WINDOW

U00103002 PAN HEAD SCREW M2X3NI

1

U00104002 PAN HEAD SCREW M2X4NI

6

RA0399400

DOUBLE FACE TAPE

U9900140 TAPTITE SCREW M2X6SUS#3

2

U44104002 TAPTITE SCREW M2X4NI

4

U9900141 TAPTITE SCREW M1.7X5NI#3

2

RA0401600

O RING

U07125102 TAPTITE SCREW M1.7X2.5SUS#1

2

CP7346002 (USA, SILVER)

CP7346003 (EXPORT, SILVER)

CP7346004 (GERMANY, SILVER)

CP7346006 (USA, BLACK)

CP7346007 (EXPORT, BLACK)

CP7346008 (GERMANY, BLACK)

PANEL ASS’Y

with RUBBER KNOB, MIC SHEET,

SP SHEET, SP, PROTECTOR L,

PROTECTOR R

RA0399800

LIGHT GUIDE (LED)

Q7000426

LCD MODULE

RA0400000

RUBBER PACKING

RA0399100

LIGHT GUIDE (LED)

RA014250A

DOUBLE FACE TAPE (LCD)

RA0399900

REFLECTOR SHEET

SUPPLIED ACCESSORIES

VXSTD P/N

DISCRIPTION

Q3000183

YHA-64

RA0405600

MIC HOLDER RUBBER

(depending on transceiver version)

Q3000185

YHA-65

Q8101014

YHA-63 50MHZ ADAPTER L

Q8101015

YHA-63 440MHZ ADAPTER S

Q9000786

LI-ION BATTERY FNB-80LI

Q9500087

NC-72A

CNTL-Unit

Q9500088

NC-72B

(depending on transceiver version)

Q9500089

NC-72C

Q9500090

NC-72U

RA029630A

BELT CLIP

S6000335

HAND STRAP

AF-Unit

P1091150

CONNECTOR (MIC/SP)

FR008330C

FPC CABLE

RA0426800

O RING

RA0400200

STUD (X4 pcs)

There is a direction in

WASHER.

RA0400900

O RING

P0091335

CONNECTOR (EXT DC)

SCREW

RF-Unit

RA01403AA

LATCH NAIL

WASHER

RA0400500

EXT CAP

EXP CAP

CP7342003 (SILVER)

CP7342005 (BLACK)

REAR CASE ASS’Y

with SMA CONNECTOR ASS’Y,

TERMINAL BOARD ASS’Y,

RUBBER HOLDER (PTT),

RUBBER KNOB (PTT)

RA0292200

SPECIAL NUT

RA0426900

O RING

RA0087900

SPECIAL NUT

RA0399700

HOLDER (PTT)

RA0401200

ENCODER KNOB

RA0400100

RUBBER KNOB (PTT)

RA0140100

MASK SHEET

RA0401900

VOLUME KNOB

RA0400600

CAP(SP/MIC)

RA0141600

RUBBER PACKING

FNB-80LI

4

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Block Diagram

5

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