#CAT SOFTWARE YAESU FT 736R REPAIR FULL#
#CAT SOFTWARE YAESU FT 736R REPAIR PC#
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#CAT SOFTWARE YAESU FT 736R REPAIR WINDOWS#

Check C8, C9, C12 (C12 is removed here) and C22. The reason for this (and the short life of the capacitors) is two very hot 33ohm, 2W resistors (R17 and R18). Step #2 Visual inspection of the PSU board The board is usually discolored between the two 470Â♟/200V electrolytic capacitors and the transformer. remove the PSU cage screws and the 4 PCB securing screws holding the base plate.

remove the 2 screws from the bottom side of the base (in the middle, holding the PSU base plate on the chassis) e. remove the 3 long M3 screws from the back securing the PSU heat sink bridge plate to rear chassis plate d. Step #1 - Remove the PSU from the main frame and disassemble the unit. There are likely other capacitors that are suffering from similar aging problems. The most likely sources of this problem are C9 (a 220uF/35 V capacitor with a defective ESR of 450 ohms or more!), and C12 1uF/50V (with a defective ESR of 60 ohms or more). If the power supply doesn t fail outright, the problem ultimately leads to a rig that will not power up at all with the internal power supply. The first symptoms of the failing internal power supply are that it fails to start properly and only a few LEDs on front panel are dimly lit. The reason is usually faulty electrolytic capacitors (dried out) or bad solder joints on the switch mode power supply board FP-1274A. Copyright YAESU U.S.A.1 Yaesu FT-736R PSU repair Updated for DigiKey (North American) sources & data I gratefully acknowledge OZ1DB and his original repair documentation and DL7VHF for his schematic diagrams The built in AC/DC power supply on the FT-736R commonly fails after about 10 years of normal use. MARS/CAP Modifiable with proof of permits. Front panel preamp button provides a T/R switched DC supply line for masthead preamplifiers. DTMF keypad, in transmit the numeric keypad generates DTMF tones.

#CAT SOFTWARE YAESU FT 736R REPAIR FULL#

14 VFO's are provided: two general purpose plus 1 PMS (Programmable Memory Limit Scanning) on each band, 2 special purpose full duplex VFO's, and up to 4 clarifier (receiver offset) memories, 1 per band. Optional modules for 50-54 MHz, 222-225 MHz, and 1240 - 1300 MHz.ġ00 general purpose memories, plus 10 full duplex cross band memories, 1 global call channel, all of which store mode, RX and TX frequencies independently. Independent linear amplifier relay control lines (1 for each band).

#CAT SOFTWARE YAESU FT 736R REPAIR PC#

CAT port for PC control of automatic Doppler correction. Easy interface to TNC via Data in/out jack.

#CAT SOFTWARE YAESU FT 736R REPAIR FREE#

Key Product Features Free software that reveals passwords hidden under asterisks. Full Cross-band Duplex.įree software that reveals passwords hidden under asterisks. FT-736R FEATURES 2 meters and 70 cm built into the mainframe as a standard feature, these are not changeable modules. GaAs FET receiver RF amplifiers are provided in the 4 MHz band modules, and a high stability TCXO reference oscillator is incorporated for all bands to meet the stringent demands of serious VHF and UHF operation. Operating conveniences usually found only on HF transceivers, such as front panel adjustable IF shift and IF notch, noise blanker, all mode vox, and 3 speed selectable AGC are all included. An 8 Bit CMOS main microprocessor and 4 bit i/o coprocessor provide exceptional digital integration and control: including selectable tuning rates or mode-dependent channelized tuning, and the widest variety of advanced scanning methods ever offered. The FT-736 can be powered from 13.5 VDC or its built-in light weight switch mode AC power supply. Yaesu FT-736R FT-736 VHF/UHF Full Duplex Base Designed to meet the needs of the most demanding VHF/UHF and satellite operators, the FT-736R covers up to 4 of the 50, 144, 220, 430 MHz and 1.2 GHz bands with installable band modules.

#CAT SOFTWARE YAESU FT 736R REPAIR WINDOWS#

Windows radio control software for the Kenwood TS-850S. Tuning control of the Yaesu FT-736R multiband VHF. The ultimate free CAT program for the Yaesu FT-817. FAQs and Known Problemstranslated by George Mathgen, LX1.

Cat software yaesu ft 736r repair