I acquired my General ticket last year and I have a used Yaesu FT-757GX and an LK500ZB Amp Supply Amp I inherited from my deceased uncle KK4LZ. I have read the FT-757GX Operator's manual and I am not sure which connection I plug the rca jack in on the back of the radio to energize the LK500ZB amp. Does the LK500ZB have a relay coil voltage over 50 volts? According to the manual the internal control relay in the FT-7 5 7GX is not designed to handle high voltage (above 50 V) or current (above 400 mA). Can you advise how I connect the radio to this amp? Thank you
Still have my GXII. A great little radio. Though I wish it had the manual band switch. The GXII has a push button that makes you cycle through all the modes to get to the one before what you're on.
Good video!! I love my 757gx, in fact I have two of them!! I have the auto tuner and the power supply/speaker as well. The other 757gx right now just sets on top of my Astron power supply not hooked up. Both work great, but the one not in use won't do CW, apparently the previous owner broke the plug in the back that you plug the key into. Have thought about sending it off to get it fixed, just haven't gotten around to it. I love these old Yaesu's so much that I have a brand new Alinco DX-SR8 setting here just collecting dust. It may have only been used for an hour!! Thanks for sharing your video. DE WD8WV
I have an issue with my 757 on lsb my audio is super narrow it sounds like I'm nasal or on a telephone theres no bass it's super cutoff however on usb audio is normal for radio 300-3000 hz but on lsb it's about 2000hz where it starts, is there a way to adjust bandwidth? For audio in a gx11?
I just picked one of these up at a hamfest along with a FP 757GX power supply. The price was right, so I took a chance. When I tried to power it up from the power supply, the power supply clicked and cut out. It resets if I turn it off. Is there an internal protection switch or circuit breaker of some type inside the power supply? Jeff. W3AAB
I got one with a similar issue. I disassembled the plug end and discovered that the silicon in there has become like a semi-conductor over the years! I scraped it out and the radio now powers on! I have not used it yet as I still need to put up an antenna. Good luck.
hello my friend I love watching your videos their very constructive and sound. I was just wondering since your always getting equipment I have the 757gx2 with power supply, I don't really like using tuners .but buy any chance do u have the 757 antenna tuner in decent shape that works well. I would like to have the whole set and that's all I have missing.please let me know. God bless you and your family always
when the battery needs to be changed ---use heat shrink tubing to hold wires onto a flat 2032 ..then on to the tabs cut off the battery..very simple fix ..i just did it to my kenwood ts50s ..and i love my 757..
Having trouble hooking up this rig to PC and control it , some one please help. Is there a write-up anywhere ? Bought a USB to TTL serial cable and homebrewed a CAT cable. And just doesn't seem to work not sure why !
The GXII has an emitter follower on the CAT output. This means the GXII can send a high output, but can't send a low output. This works fine when connected to a LED inside an optocoupler as originally intended (see schematic Yaesu FIP-232C interface, discontinued). But to connect directly to logic circuitry such as a USB-TTL converter, you need a pull down resistor. I use 470 ohms, which seems very low but remember, the output originally drove a LED and current limiting resistor of the same value. Also be aware the GX CAT is uni-directional only, PC to radio. Only the GXII has bi-directional CAT.
Привет из Сибири!!! Заинтересовался этой станцией и планирую её приобрести. Скажите пожалуйста как она в работе и насколько серьёзная антенна для неё нужна.
@@Telegraph_Road Приветствую! Эту станцию и выбрал для начала. Взял в Питере, с небольшими косяками правда. Раскурочено гнездо ТЛГ и ручки по бокам отсутствуют, валкодер люфт имеет. Антенна самодельная - "фукс" на два диапазона. Такие дела. С Уважением! :)
Getting ready to make an offer on one this morning. Being sold for a sk by a club. Their original asking price is 200.00. They are out there. You can't shop ebay and expect anything but to be ripped off.
30 YEARS ON and I too still have mine, and it still works. Just don't push the PMS button. If you do you'll see why!
What does the PMS button do ? 😁
757 GX II dial wheel jammed, turns hard, and the frequency is locked. Had it apart, sprayed it, to no avail. any clue as to what might be the problem.
I just got one a few weeks ago at a ham fest. VFO is a little sticky, and came from a smoker . But the radio receives great , and sounds great.
I acquired my General ticket last year and I have a used Yaesu FT-757GX and an LK500ZB Amp Supply Amp I inherited from my deceased uncle KK4LZ. I have read the FT-757GX Operator's manual and I am not sure which connection I plug the rca jack in on the back of the radio to energize the LK500ZB amp. Does the LK500ZB have a relay coil voltage over 50 volts? According to the manual the internal control relay in the FT-7 5 7GX is not designed to handle high voltage (above 50 V) or current (above 400 mA). Can you advise how I connect the radio to this amp?
Thank you
Still have my GXII. A great little radio. Though I wish it had the manual band switch. The GXII has a push button that makes you cycle through all the modes to get to the one before what you're on.
Blessed love my brother, Can you tell me where I can get one to buy, watching from Jamaica west Indies !!
Good video!! I love my 757gx, in fact I have two of them!! I have the auto tuner and the power supply/speaker as well. The other 757gx right now just sets on top of my Astron power supply not hooked up. Both work great, but the one not in use won't do CW, apparently the previous owner broke the plug in the back that you plug the key into. Have thought about sending it off to get it fixed, just haven't gotten around to it. I love these old Yaesu's so much that I have a brand new Alinco DX-SR8 setting here just collecting dust. It may have only been used for an hour!! Thanks for sharing your video. DE WD8WV
Same problem with mine. The ground connection seems to be open at the 1/4' jack. I just connected a wire to the ground lug and all is well. DE KC3AM
that the pms button does not work, the button for auto-scanning the frequency, or is there something else that needs to be turned on besides it?
I have a Yaseu ft-757gx. I need to know what the Power Transistors are on the PA board and where I can purchase them? Or where can I buy a PA board?
I need information for the sister radio the heath sb 1400. could you reply please? thank you 73s n3lou
I have an issue with my 757 on lsb my audio is super narrow it sounds like I'm nasal or on a telephone theres no bass it's super cutoff however on usb audio is normal for radio 300-3000 hz but on lsb it's about 2000hz where it starts, is there a way to adjust bandwidth? For audio in a gx11?
I just picked one of these up at a hamfest along with a FP 757GX power supply. The price was right, so I took a chance. When I tried to power it up from the power supply, the power supply clicked and cut out. It resets if I turn it off.
Is there an internal protection switch or circuit breaker of some type inside the power supply?
Jeff. W3AAB
I got one with a similar issue. I disassembled the plug end and discovered that the silicon in there has become like a semi-conductor over the years! I scraped it out and the radio now powers on! I have not used it yet as I still need to put up an antenna. Good luck.
@@brianshanahan3878 I'm going to take a look at that here. Thanks!
hello my friend I love watching your videos their very constructive and sound. I was just wondering since your always getting equipment I have the 757gx2 with power supply, I don't really like using tuners .but buy any chance do u have the 757 antenna tuner in decent shape that works well. I would like to have the whole set and that's all I have missing.please let me know. God bless you and your family always
Sorry, nothing at the moment but I keep you updated.
@@hifissb thank u soooo much
Wow what a shop
hifissb, from the look of your shack you sell used radios. do you have a site you list them on? Don
when the battery needs to be changed ---use heat shrink tubing to hold wires onto a flat 2032 ..then on to the tabs cut off the battery..very simple fix ..i just did it to my kenwood ts50s ..and i love my 757..
Having trouble hooking up this rig to PC and control it , some one please help. Is there a write-up anywhere ? Bought a USB to TTL serial cable and homebrewed a CAT cable. And just doesn't seem to work not sure why !
The GXII has an emitter follower on the CAT output. This means the GXII can send a high output, but can't send a low output. This works fine when connected to a LED inside an optocoupler as originally intended (see schematic Yaesu FIP-232C interface, discontinued). But to connect directly to logic circuitry such as a USB-TTL converter, you need a pull down resistor. I use 470 ohms, which seems very low but remember, the output originally drove a LED and current limiting resistor of the same value. Also be aware the GX CAT is uni-directional only, PC to radio. Only the GXII has bi-directional CAT.
Them radios are built like tanks👍⚛
OMG all the 900 series do you have any parts for sale.
is it ok to buy a busted 1 fromJapan??
nice any tcxo inside ?filter ? thank you
Привет из Сибири!!! Заинтересовался этой станцией и планирую её приобрести. Скажите пожалуйста как она в работе и насколько серьёзная антенна для неё нужна.
Как дела, бро, что взял по итогу?
@@Telegraph_Road Приветствую! Эту станцию и выбрал для начала. Взял в Питере, с небольшими косяками правда. Раскурочено гнездо ТЛГ и ручки по бокам отсутствуют, валкодер люфт имеет. Антенна самодельная - "фукс" на два диапазона. Такие дела. С Уважением! :)
Great radios gx and gx2s 👍💯💯⚛
great radio i have one
Just ordered the gx2 with its power supply on ebay 500 for both power supply and radio
were can I find one for a 150300 or 200.00
have a 757 no output on ssb am fm and cw are ok
$200 WHERE? I cannot find them for less than $450 to $500
one on Craigslist Buffalo right now 250.00 I'm sure if you offer 150.0 200.00 and cover shipping youd get it
Getting ready to make an offer on one this morning. Being sold for a sk by a club. Their original asking price is 200.00. They are out there. You can't shop ebay and expect anything but to be ripped off.
Is the gx better than the gx2
1999-2002 year I had that.
i wish i coul find one for $200
Blessed love my brother, Can you tell me where I can get one to buy, watching from Jamaica west Indies !!