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.
1
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.
2
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.
3
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.
4
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