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Author Topic: Memory backup battery location and type on a Kenwood TS-950  (Read 1377 times)
DC1MC
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Posts: 13




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« on: October 29, 2017, 03:55:57 AM »

Hello experienced OMs, could you kindly tell me where the RAM battery is on a TS-950, also if you have a model and a source available in Europe, this will be great, because the TRX is so heavy that it gives mere hernia if I move it too much  Embarrassed. This is not a boat anchor, is the boat itself Smiley

 73 de Mircea, DC1MC

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K4JJL
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Posts: 835




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« Reply #1 on: October 30, 2017, 09:13:46 AM »

It's on the digital unit PC board.  It's a lithium battery part number listed as a W09-0514-05.  According to results in the Google, it's a CR2430 w/ solder tabs.

No idea where to get in Europe other than the 'Bay.
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W9GB
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Posts: 3152




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« Reply #2 on: October 30, 2017, 05:41:51 PM »

TS-950 Service Manual
page 48 (technical description)
page 230 (PC board layout)
page 232(schematic)
page 123 (parts list).  
Parts list battery designation is BA1, Kenwood part number is W09-0514-05
It is connected to pin 2 of IC17, an MB3780A.
==
Panasonic Lithium Coin Cells (BR and CR series)
IF you do not use Kenwood Part,
DOUBLE CHECK Diameter (mm); Thickness; Tab Configuration; Current Capacity (mA).
http://na.industrial.panasonic.com/products/batteries/non-rechargeable-batteries/lithium-batteries

Panasonic Lithium Coin Cell, CR2450 datasheet
https://na.industrial.panasonic.com/sites/default/pidsa/files/panasonic-lithium-cr2450-datasheet.pdf

Panasonic CR-series Solder Tab configurations
https://na.industrial.panasonic.com/sites/default/pidsa/files/crseriesconfig_datasheets_merged.pdf
==
LITHIUM Coin Cells are Air Transportation Restricted.
In EUROPE, LOOK for Panasonic / Sanyo lithium coin-cell distributors.

FARNELL / Element14 (Select Country), 23mm and 24.5mm coin cells
http://uk.farnell.com/w/c/batteries-chargers/batteries-non-rechargeable?external-diameter=23mm|24.5mm

North America
East Coast Transistor, Kenwood/JVC parts
http://www.kenwoodparts.com/parts/search.php

W09-0514-05     LITHIUM BATTERY          $9.71 USD
BA 2430 Lithium Coin Cell, CR 2430 with solder tabs.
« Last Edit: October 30, 2017, 06:03:22 PM by W9GB » Logged
W9GB
Member

Posts: 3152




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« Reply #3 on: October 30, 2017, 06:10:22 PM »

Mircea -

In Germany, check with VARTA Microbattery GmbH
https://www.varta-microbattery.com
Contact information:
https://www.varta-microbattery.com/contact

VARTA Microbattery GmbH
Daimlerstra├če 1
73479 Ellwangen
Tel: +49 7961 921 0
Fax: +49 7961 921 553

VARTA CR 2430
http://www.farnell.com/datasheets/317625.pdf?_ga=2.71503955.1991877379.1509411545-1046049990.1509411545
« Last Edit: October 30, 2017, 06:12:43 PM by W9GB » Logged
KM1H
Member

Posts: 2633




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« Reply #4 on: October 31, 2017, 05:00:21 PM »

Is it a 950S, SD or SDX as it may make a difference.

Carl
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KA5IPF
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Posts: 1409


WWW

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« Reply #5 on: October 31, 2017, 06:04:17 PM »

Same battery, all 3.
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W9GB
Member

Posts: 3152




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« Reply #6 on: October 31, 2017, 08:03:25 PM »

Mircea -

VARTA Micro-battery Handbook / Catalog
https://products.varta-microbattery.com/fileadmin/user_upload/downloads/products/sales-literature/HANDBOOK_Primary_Lithium_Cells_en.pdf

Turn to page 25 for CR2430 and CR2450 Lithium Coin Cells and Solder Tab configurations.

This MAY be the correct solder-tab coin cell (Look at measurements on page 25 and confirm).
CR 2430 PCB 3 , VARTA part number 6430 401 501

Farnell - Germany
http://de.farnell.com/varta/6430401501/knopfzelle-lithium-pcb-3v-2430/dp/425345

Schkut Electronic Vertriebs GmbH
https://www.schukat.com/schukat/schukat_cms_de.nsf/index/suchergebnisse?OpenDocument&query=CR2430PCB&news=true&katalog=true

VARTA Microbattery GmbH, Daimlerstrasse 1,
73479 Ellwangen, Germany
tel +49 79 61 921 - 0,
Fax +49 79 61 921 - 553
« Last Edit: October 31, 2017, 08:15:05 PM by W9GB » Logged
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