Difficulty

Difficult

Steps

8

Time Required

                          20 minutes            

Sections

2

  • Charging base wire harness
  • 6 steps
  • Charging base circuit board
  • 2 steps

Flags

0

  • BackBraun Series 7 790cc

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Introduction

What you need

Step 1

              Charging base wire harness               
  • Remove the cleaner cartridge from the charging base.

Remove the cleaner cartridge from the charging base.

1024

Step 2

  • Depress the 4 tabs while lightly pulling the cover from the base.
  • Next, depress the 2 molded tabs while still pulling the cover from the base.

Depress the 4 tabs while lightly pulling the cover from the base.

Next, depress the 2 molded tabs while still pulling the cover from the base.

Step 3

  • Press inward on the side charging port while pulling cover from the base to separate.

Press inward on the side charging port while pulling cover from the base to separate.

Step 4

  • Remove side charging port by prying tabs outward and rotating port upward.

Remove side charging port by prying tabs outward and rotating port upward.

Step 5

  • Remove charging terminals by inserting a spudger from bottom the and sliding terminals up.

Remove charging terminals by inserting a spudger from bottom the and sliding terminals up.

Step 6

  • Remove solder from circuit board and remove charging harness.

Remove solder from circuit board and remove charging harness.

Step 7

              Charging base circuit board               
  • Remove solder from wire harness leading to the charging base motor.

Remove solder from wire harness leading to the charging base motor.

Step 8

  • Use spudger to release tab at the top left of the circuit board.
  • After the tab has been released the circuit board can be removed.

Use spudger to release tab at the top left of the circuit board.

After the tab has been released the circuit board can be removed.

To reassemble your device, follow these instructions in reverse order.

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                                                                                      3 other people completed this guide.                                             

Author

                                      with 2 other contributors 

                    Ian Hayes                     

Member since: 11/07/2017

198 Reputation

                                      2 Guides authored                  



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Team

                       IUPUI, Team S3-G6, Harley Fall 2017                        

                                                  Member of IUPUI, Team S3-G6, Harley Fall 2017 



                    IUPUI-HARLEY-F17S3G6                     


                                            3 Members                     


                                            5 Guides authored                     

martin bird - Jun 2, 2019

Reply

Step 6-8

If you are only doing an investigation you can release the board enough to inspect and reconnect all connectors without desoldering. This was enough to fix my problems. I found it easier to pull the bottom of the board forward and down, rather than force the tab at the top.

Ian has also not mentioned the 3 things that can fall off, and make reassembly tricky. All these needed to be carefully stored and repositioned on my reassembly.

  1. The Base spring release button. Although it goes on the outside I refitted to the inner unit first

  2. The carbon/rubber button contacts in the case. These fall off when not in contact with the pcb. They fit on very fine pins on the shell button covers.

  3. The angular molding that sits in the front of the well. Needs to be fitted completely to the Base before reassemble

Brent Bono - Mar 25, 2020

Reply

Martin, / Anyone,

Can someone provide pictures showing the reassemble process of the parts that fell out when I separated cover from the base (steps 6-8, as Martin Bird mentioned above)?

I have 2 small rubber pieces (assuming they go on the buttons on base, not exactly sure where they go), & the angular molding - not sure how this piece fits in the front somewhere?

Zebra 99 - Feb 3, 2021

Reply

I am looking the heating components.

Luca Giacca - Mar 1, 2021

Reply

But where do I find a replacement PCB?

ExpatViking - May 29, 2021

Reply

I found it hard to put the charging base back together again. Seems like something was broken, a tab or two, and it won´t close all the way down. Now there´s a gap at the bottom that I am too lazy to fix (I have already opened and closed the damned unit five times and I got bored of it.)