[ICOM] Icom 751A Questions...

[Alan Zack]

Do you have a CW PITCH control? On the 756 series having the CW PITCH 
control too far off center will cause this.
_______________________________________________________
Alan Zack
Amateur Radio Station K7ACZ
Official USCG Auxiliary Comm Station
Las Vegas, Nevada, USA
Delta Rocket Quality Engineer, The Boeing Company, Retired
Aviation Chief Warrant Officer,  U.S. Coast Guard, Retired
http://www.geocities.com/k7acz
http://gocoastguard.com
http://www.uscgradio.net
http://www.comm-one.org
>
> Edward Swynar wrote:
>> Good Day All,
>>
>> I am the owner of an Icom 751A transceiver (serial #04386), which I
>> purchased brand new in 1989. I have a question about the CW offset / 
>> memory
>> board inside this rig, that I hope someone may be able to assist me 
>> with,
>> from past experience...
>>
>> Specifically, all of a sudden---and on CW only---the transceiver's 
>> output
>> signal is 2-KHz lower in frequency than the displayed frequency. I 
>> noticed
>> this the other day when I called CQ: all of the stations responding 
>> were
>> some 2.4-KHz below my displayed frequency, and I could work them only 
>> by
>> activating my RIT.
>>
>> If I wish to answer another station's CQ, I must first set the 
>> station's
>> frequency into BOTH of the rig's VFOs, then offset the transmitting 
>> VFO by
>> some 2.4-KHz, and operate "split".
>>
>> This does not happen on either AM, or SSB---CW only (naturally, 
>> because it's
>> my favourite mode!).
>>
>> The rig certainly IS useable this way, but I do NOT like it---I 
>> prefer to
>> use just the one VFO for both receiving and transmitting, just as it
>> "...used to be."
>>
>> I've been told by one seasoned veteran in such matters that the 
>> memory board
>> inside the 751A (the circuit with the lithium memory battery) is the
>> culprit, and should be replaced. Is this always the case...? Have 
>> others
>> ever experienced this same condition, and if so, was the "fix" a 
>> replacement
>> memory board...?
>> Finally, are replacement after-market memory boards even available 
>> for so
>> old a rig...?
>>
>> Any & all information is welcomed and appreciated. Thanks in advance, 
>> & my
>> vy
>>
>> ~73~ de Eddy VE3CUI - VE3XZ
>>