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htx202bat [2015/01/17 12:50]
admin
htx202bat [2015/01/17 12:53]
admin
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 **6:** Locate the ground terminal of the backup battery attached to the shield on the CPU board. Carefully use your soldering iron to heat this junction just enough to remove it - if it can't be done in 4-5 seconds your iron is hot hot enough. You do not want to risk damaging the CPU board with too much heat. When the solder is fluid enough the battery may be removed from the shield. Note: there may be double sided adhesive foam holding the battery to the shield, so this may require some force. **6:** Locate the ground terminal of the backup battery attached to the shield on the CPU board. Carefully use your soldering iron to heat this junction just enough to remove it - if it can't be done in 4-5 seconds your iron is hot hot enough. You do not want to risk damaging the CPU board with too much heat. When the solder is fluid enough the battery may be removed from the shield. Note: there may be double sided adhesive foam holding the battery to the shield, so this may require some force.
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-**7:** With your knife, carefully cut the black heat shrink plastic off of the positive terminal. You can then desolder the wire from the positive terminal of the battery and it will be fully removed.+**7:** With your knife, carefully cut the black heat shrink plastic off of the positive terminal. You can then desolder the wire from the positive terminal of the battery and it will be fully removed. At 55mV this cell is totally dead.
  
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 **8:** At this point you may want to remove residual adhesive from the foam tape that secured the battery. I find careful scraping and a small amount of goo gone to work very well. At this point I could also do a test run of the battery holder'​s position to make sure it would fit in the area well. **8:** At this point you may want to remove residual adhesive from the foam tape that secured the battery. I find careful scraping and a small amount of goo gone to work very well. At this point I could also do a test run of the battery holder'​s position to make sure it would fit in the area well.
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 **12:** Install the battery! I chose to also put a piece of electrical tape over the cell for extra insulation. **12:** Install the battery! I chose to also put a piece of electrical tape over the cell for extra insulation.
  
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 **13:** Reassemble your radio. The first time you power it on you will get an Err1 - this is to be expected. The battery only gave power to the RAM, it didn't provide it with data. If you hold function + D when booting the radio the first time the RAM will be set with the proper values and channels can now be saved and stored. ​ **13:** Reassemble your radio. The first time you power it on you will get an Err1 - this is to be expected. The battery only gave power to the RAM, it didn't provide it with data. If you hold function + D when booting the radio the first time the RAM will be set with the proper values and channels can now be saved and stored. ​
  
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htx202bat.txt ยท Last modified: 2018/03/06 08:59 (external edit)
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