QRZ Forums. This FTD came from eBay a few years ago. It worked fine at that time. After several months, 2M suddenly failed.
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FT S International Division N. Servicing this equipment requires expertise in handling surface mount chip components. Attempts by unqualified persons to service this equipment may result in permanent damage not covered by warranty.
For the major circuit boards, each side of the board is identified by the type of the majority of components installed on that side. In most cases one side has only chip components, and the other has either a mixture of both chip and lead components trimmers, coils, electrolytic capacitors, packaged ICs, etc.
Your cooperation in pointing out any inconsistencies in the technical information would be appreciated. BPF Unit Note: HPF Unit Lot. HPF Unit Note: Audio-Filter Lot. Audio-Filter Unit Note: Audio : 1. However, if damage occurs and some parts subsequently 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 by authorized Yaesu service technicians, who are experienced with the circuitry and fully equipped for repair and alignment.
If a fault is suspected, contact the selling dealer for instructions regarding repair. Authorized Yaesu service technicians have the latest modification information, and realign all circuits and make compete performance checks to ensure compliance with the factory specifications after repairs. 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.
The following test equipment and thorough familiarity with its correct use is necessary for complete realignment. Correction of problems caused by misalignment resulting from unauthorized adjustments made with improper test equipment is not covered by warranty.
Although most steps do not require all of the equipment listed, the interaction 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. Rather, have all test equipment ready before beginning, and follow all of the steps in a section in the order they are presented. Correct alignment is not possible with an antenna. Except where specified otherwise, the transceiver should be tuned to If an Alignment Routine cannot be selected, power may have to be switched off then back on to re-enable menu selection.
To begin, turn the transceiver off. In the alignment procedure, each alignment parameter is selected by rotating the main DIAL. To exit the alignment routine, press the FUNC key. After performing the system alignment in its entirety, individual settings can be returned to and adjusted should the need arise.
Read each step to determine if the same test equipment used in the previous step will be required. If not, remove the test equipment except dummy load and wattmeter, if connected before proceeding.
If the transceiver is brought into the shop from hot or cold air, it should be allowed time for thermal equalization with the environment before alignment. Alignments must only be made with oscillator shields and circuit boards firmly affixed in place. Also, the test equipment must be thoroughly warmed up before beginning. Connect the W resistor and RF millivoltmeter to J Then confirm that the correct voltage is present, or adjust the listed component for the required voltage.
Tune to: For Remove the jumper connector at J Inject a signal from the signal generator to Select the FM mode.
Select the USB mode. Leave the radio set to Set the Noise Blanker level to maximum. Select the CW mode. Tune the transceiver to Set the transceiver to Set the transceiver to the Use Menu items , as appropriate, for setting the RF power to maximum on the band below being adjusted. Tune to: Menu For 1. Tune to: Menu For Use Menu 25 to set the MIC gain for minimum.
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Yaesu FT-100D Operating Manual
Size, 4. Twelve high-quality laminated pages, loaded with detailed set-up instructions. An ideal short-form guide for setting-up and operating this great all-mode radio. Provides clear descriptions for all controls, setup menus and modes of operation. Simple step-by-step instructions, augmented with useful hints and explanations. Indexed and organized for quick access to what you need by mode of operation. Color-coded, clear and easy to understand instructions that clarify operation.
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Yaesu FT-100D (FT 100 D FT100D) user and service manual, modifications