Vertex Standard FTM-10SR Manuel utilisateur

FCC ID: K6620305X30

IC IF: 511B-20305X30

Alignment

FTM-10SR Alignment

Introduction and Precautions

The FTM-10SR has been carefully aligned at the factory for the specified performance

across the 144 MHz and 430 MHz amateur bands. Realignment should therefore not be

necessary except in the event of a component failure. All component replacement and

service should be performed only by an authorized Yaesu representative, or the warranty

policy may be voided.

The following procedures cover the sometimes critical and tedious adjustments that are not

normally required once the transceiver has left the factory. However, if damage occurs and

some parts are replaced, realignment may be required. If a sudden problem occurs during

normal operation, it is likely due to component failure; realignment should not be done until

after the faulty component has been replaced.

We recommend that servicing be performed only by authorized Yaesu service technicians

who are experienced with the circuitry and fully equipped for repair and alignment.

Therefore, if a fault is suspected, contact the dealer from whom the transceiver was

purchased for instructions regarding repair. Authorized Yaesu service technicians realign all

circuits and make complete performance checks to ensure compliance with factory

specifications after replacing any faulty components.

Those who do undertake any of the following alignments are cautioned to proceed at their

own risk. Problems caused by unauthorized attempts at realignment are not covered by the

warranty policy. Also, Yaesu must reserve the right to change circuits and alignment

procedures in the interest of improved performance, without notifying owners.

Under no circumstances should any alignment be attempted unless the normal function

and operation of the transceiver are clearly understood, the cause of the malfunction has

been clearly pinpointed and any faulty components replaced, and the need for realignment

determined to be absolutely necessary.

Vertex Standard Co., Ltd.

FCC ID: K6620305X30

IC IF: 511B-20305X30

Alignment

Required Test Equipment

The following test equipment (and thorough familiarity with its correct use) is necessary for

complete realignment. Correction of problems caused by misalignment resulting from use

of improper test equipment is not covered under the warranty policy. While most steps do

not require all of the equipment listed, the interactions of some adjustments may require

that more complex adjustments be performed afterwards. Do not attempt to perform only a

single step unless it is clearly isolated electrically from all other steps. Have all test

equipment ready before beginning, and follow all of the steps in a section in the order

presented.

 Regulated DC Power Supply: adjustable from 10 to 17 VDC, 15 A

 RF Signal Generator with calibrated output level at 500 MHz

 Frequency Counter: ±0.1 ppm accuracy at 500 MHz

 AF Signal Generator

 SINAD Meter

 Oscilloscope

 Spectrum Analyzer

 Deviation Meter (linear detector)

 AF Milivoltmetr

 AF Dummy Load: 4 Ω, 5 W

 DC Voltmeter: high impedance

 Inline Wattmeter with 5% accuracy at 500 MHz

 50-Ohm non-reactive Dummy Load: 100 watts at 500 MHz

 VHF/UHF Sampling Coupler

Alignment Preparation & Precautions

A dummy load and inline wattmeter must be connected to the main antenna jack in all

procedures that call for transmission, except where specified otherwise. Correct alignment

is not possible with an antenna. After completing one step, read the following step to

determine whether the same test equipment will be required. If not, remove the test

equipment (except dummy load and wattmeter, if connected) before proceeding.

Correct alignment requires that the ambient temperature in the repair shop be the same as

that of the transceiver and test equipment, and that this temperature be held constant

between 20 °C and 30 °C (68 °C to 86 °F). When the transceiver is brought into the shop

from hot or cold air it should be allowed some time for thermal equalization with the

environment before alignment. If possible, alignments should be made with oscillator

Vertex Standard Co., Ltd.

FCC ID: K6620305X30

IC IF: 511B-20305X30

Alignment

shields and circuit boards firmly affixed in place. Also, the test equipment must be

thoroughly warmed up before beginning.

Notes: Signal levels in dB referred to in alignment are based on 0 dBµ = 0.5 µV.

All items tune and/or adjust by Auto-Tuning Mode or Manual Tuning Mode.

Transmitter Deviation

 With the wattmeter, dummy load and deviation meter connected to the antenna jack.

 Inject a 1 kHz audio signal as a level of 50 mV to the microphone-input port.

 Key the transmitter on 146.05 (and 440.05) MHz. Adjust the frequency deviation is

within 4.0 - 4.4 kHz on the deviation meter.

CTCSS Deviation

 With the wattmeter, dummy load and deviation meter connected to the antenna jack.

 Key the transmitter on 146.05 (and 440.05) MHz. Adjust the frequency deviation is

within 0.65-0.75 kHz on the deviation meter.

DCS Deviation

 With the wattmeter, dummy load and deviation meter connected to the antenna jack.

 Key the transmitter on 146.05 (and 440.05) MHz. Adjust the frequency deviation is

within 0.65-0.75 kHz on the deviation meter.

Vertex Standard Co., Ltd.

FCC ID: K6620305X30

IC IF: 511B-20305X30

Alignment

Transmitter Power

 With the power meter, dummy load and deviation meter connected to the antenna jack.

 Key the transmitter on 146.05 MHz. Adjust the output power is within 10 ±0.5 W on the

power meter. (HI)

 Key the transmitter on 146.05 MHz. Adjust the output power is within 5 ±0.5 W on the

power meter. (MID)

 Key the transmitter on 146.05 MHz. Adjust the output power is within 1 ±0.5 W on the

power meter. (LOW)

 Key the transmitter on 440.05 MHz. Adjust the output power is within 7 ±0.5 W on the

power meter. (HI)

 Key the transmitter on 440.05 MHz. Adjust the output power is within 5 ±0.5 W on the

power meter. (MID)

 Key the transmitter on 440.05 MHz. Adjust the output power is within 1 ±0.5 W on the

power meter. (LOW)

Receiver Sensitivity

 With the dummy load and SINAD meter connected to the external speaker jack.

 Inject a RF signal as a level of -8 dBµV to the antenna jack.

 Tune the receiver on 146.05 (and 440.05) MHz. Adjust the SINAD is above 12 dB on

the SINAD meter.

Vertex Standard Co., Ltd.

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