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I know there is a memory battery inside the IC-7000 but I don't know where its at or how to replace it. I ordered a replacement from Icom America's Parts Department (Thanks Carl Shearer) but they don't have instructions on how to or where the replacement goes. Is it in the body or the head of the unit?
Advise is appreciated
73
Keith
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FWIW --
From the IC-7000 Operating Manual, p. 137:
■Memory backup
All of the CPU’s memory is backed up by an EEPROM (Electronically-Erasable Programmable Read- Only Memory). All data you set, such as VFO, memory, set mode contents, etc. are stored in this EEPROM. There is no internal lithium battery.
.? ? ?Charles / VA7CPC
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Page 72 of service manual Lower left corner ? ======================== ? ? ? ? ?de N2MLP Brian ? ???? Monroe County PA ? ? 
======================== ? ?
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From: [email protected] [mailto:[email protected]] On Behalf Of Keith Kaiser
Sent: Wednesday, June 27, 2018 4:16 PM
To: [email protected]
Subject: [ic7000] Where is and how to replace the coin sized memory battery inside the IC-7000? I know there is a memory battery inside the IC-7000 but I don't know where its at or how to replace it. I ordered a replacement from Icom America's Parts Department (Thanks Carl Shearer) but they don't have instructions on how to or where the replacement goes. Is it in the body or the head of the unit?
Advise is appreciated
73
Keith
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the battery needs replacement if it fails to retain the time.?
And as stated it is in the service manual and is easy to do.
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Memory backup
All of the CPU’s memory is backed up by an EE- PROM (Electronically-Erasable Programmable Read-Only Memory). All data you set, such as VFO, memory, set mode contents, etc. are stored in this EEPROM. There is no internal lithium battery.
Page 146.
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In the service manual,?
BT1301 3020000330 Lithium battery ML920S/F9D? ? ?Page 56 of the Service manual.
Since there is one, where the heck does it go?
On Thu, Jun 28, 2018 at 6:25 AM, Bill kerber,WA2ILY via Groups.Io <wa2ily@...> wrote: Memory backup
?All of the CPU’s memory is backed up by an EE- PROM (Electronically-Erasable Programmable Read-Only Memory). All data you set, such as VFO, memory, set mode contents, etc. are stored in this EEPROM. There is no internal lithium battery.
?Page 146.
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Ck Page 72 in service manual.
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On Thu, 6/28/18, Mystic Treg <MysticTreg@...> wrote: Subject: Re: [ic7000] Where is and how to replace the coin sized memory battery inside the IC-7000 To: [email protected] Date: Thursday, June 28, 2018, 6:53 PM In the service manual,? BT1301 3020000330 Lithium battery ML920S/F9D? ? ?Page 56 of the Service manual. Since there is one, where the heck does it go? J Tregre, KD8M, on behalf of Her Imperial Majesty, Mystic, Kitty On Thu, Jun 28, 2018 at 6:25 AM, Bill kerber,WA2ILY via Groups.Io <wa2ily@...> wrote: Memory backup ?All of the CPU’s memory is backed up by an EE- PROM (Electronically-Erasable Programmable Read-Only Memory). All data you set, such as VFO, memory, set mode contents, etc. are stored in this EEPROM. There is no internal lithium battery. ?Page 146.
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Thanks - bottom left corner of the logic unit.? ?on Pg 72 Service Manual.
Appreciate it.
On Thu, Jun 28, 2018 at 5:45 PM, John Allen via Groups.Io <n0ja54@...> wrote: Ck Page 72 in service manual.
--------------------------------------------
On Thu, 6/28/18, Mystic Treg <MysticTreg@...> wrote:
?Subject: Re: [ic7000] Where is and how to replace the coin sized memory battery inside the IC-7000
?To: [email protected]
?Date: Thursday, June 28, 2018, 6:53 PM
?In the service manual,?
?BT1301 3020000330 Lithium
?battery ML920S/F9D? ? ?Page 56 of the Service manual.
?Since there is one, where
?the heck does it go?
?J
?Tregre,
?KD8M,
?on behalf
?of
?Her Imperial Majesty,
?Mystic, Kitty
?On
?Thu, Jun 28, 2018 at 6:25 AM, Bill kerber,WA2ILY via
?Groups.Io <wa2ily=[email protected]>
?wrote:
?Memory
?backup
??All of the CPU’s memory is backed up by an EE- PROM
?(Electronically-Erasable Programmable Read-Only Memory). All
?data you set, such as VFO, memory, set mode contents, etc.
?are stored in this EEPROM. There is no internal lithium
?battery.
??Page 146.
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That is the clock chip backup for the time display. It is a rechargable cell that is soldered in. To replace it you will have to remove the circuit board. This begs the question... do you really care about the time display? If your rig is loseing its menu setting and memory frequencies you have a more serious issue.
Perry K4PWO?
Sent from my Sprint Samsung Galaxy S7 edge.
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-------- Original message -------- From: "John Allen via Groups.Io" <n0ja54@...> Date: 6/28/18 7:45 PM (GMT-06:00) Subject: Re: [ic7000] Where is and how to replace the coin sized memory battery inside the IC-7000
Ck Page 72 in service manual. -------------------------------------------- On Thu, 6/28/18, Mystic Treg <MysticTreg@...> wrote: Subject: Re: [ic7000] Where is and how to replace the coin sized memory battery inside the IC-7000 To: [email protected] Date: Thursday, June 28, 2018, 6:53 PM In the service manual,? BT1301 3020000330 Lithium battery ML920S/F9D? ? ?Page 56 of the Service manual. Since there is one, where the heck does it go? J Tregre, KD8M, on behalf of Her Imperial Majesty, Mystic, Kitty On Thu, Jun 28, 2018 at 6:25 AM, Bill kerber,WA2ILY via Groups.Io <wa2ily@...> wrote: Memory backup ?All of the CPU’s memory is backed up by an EE- PROM (Electronically-Erasable Programmable Read-Only Memory). All data you set, such as VFO, memory, set mode contents, etc. are stored in this EEPROM. There is no internal lithium battery. ?Page 146.
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From: k4pwo <k4pwo@...> It is a rechargable cell that is soldered in. To replace it you will have to remove the circuit board. Can't speak to the 7000 specifically but on other equipment I've replaced the battery I just cut the tabs on the existing cell and solder the tabs of the new battery onto the cut leads. Mark K5LXP Albuquerque, NM
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There is no internal lithium battery False, there is a soldering battery inside.
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Hi
You can find the battery at DigiKey
A link in french but Google is your friend....
73
good DX
Patrick
F6GWE
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Is this the "battery" you are asking for?
This is not a battery, but a rechargeable accumulator and it is located
in the?.
73 de DH1KLM / Sigi
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Thanks everyone.?
I think I understand now that the battery is for the clock more so than the memories. I don’t know if I want to replace it or not, the clock is not that important.? I did order it, it cost about $10 so when it arrives I may open up the radio and take a look. The advise of just cutting the leads and re-soldering seems the best so if I decided to do it at all that is the method I’ll use.
I did Google the part of course but the only place to order the ‘correct’ battery is from Icom. DigiKey and other radio stores did not have it. Some had never even heard of the radio having one. But good advise from Ray Novak lead me to the Icom parts store. Thanks Ray
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Brian (N2MLP)
Roeland Jansen, PA3MET
Ludovic Ludo
DH1KLM