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Braun Series 7 790cc-7 Charging Base Circuit Board Replacement

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  1. Braun Series 7 790cc-7 Charging Base Circuit Board Replacement, Charging base wire harness: étape 1, image 1 de 1
    • Remove the cleaner cartridge from the charging base.

  2. Braun Series 7 790cc-7 Charging Base Circuit Board Replacement: étape 2, image 1 de 3 Braun Series 7 790cc-7 Charging Base Circuit Board Replacement: étape 2, image 2 de 3 Braun Series 7 790cc-7 Charging Base Circuit Board Replacement: étape 2, image 3 de 3
    • 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.

  3. Braun Series 7 790cc-7 Charging Base Circuit Board Replacement: étape 3, image 1 de 1
    • Press inward on the side charging port while pulling cover from the base to separate.

  4. Braun Series 7 790cc-7 Charging Base Circuit Board Replacement: étape 4, image 1 de 2 Braun Series 7 790cc-7 Charging Base Circuit Board Replacement: étape 4, image 2 de 2
    • Remove side charging port by prying tabs outward and rotating port upward.

  5. Braun Series 7 790cc-7 Charging Base Circuit Board Replacement: étape 5, image 1 de 2 Braun Series 7 790cc-7 Charging Base Circuit Board Replacement: étape 5, image 2 de 2
    • Remove charging terminals by inserting a spudger from bottom the and sliding terminals up.

  6. Braun Series 7 790cc-7 Charging Base Circuit Board Replacement: étape 6, image 1 de 2 Braun Series 7 790cc-7 Charging Base Circuit Board Replacement: étape 6, image 2 de 2
    • Remove solder from circuit board and remove charging harness.

  7. Braun Series 7 790cc-7 Charging Base Circuit Board Replacement, Charging base circuit board: étape 7, image 1 de 2 Braun Series 7 790cc-7 Charging Base Circuit Board Replacement, Charging base circuit board: étape 7, image 2 de 2
    • Remove solder from wire harness leading to the charging base motor.

  8. Braun Series 7 790cc-7 Charging Base Circuit Board Replacement: étape 8, image 1 de 2 Braun Series 7 790cc-7 Charging Base Circuit Board Replacement: étape 8, image 2 de 2
    • 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.

Conclusion

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

3 autres ont terminé cette réparation.

Ian Hayes

Membre depuis le 11/07/17

216 Réputation

2 tutoriels rédigés

Équipe

IUPUI, Team S3-G6, Harley Fall 2017 Membre de l'équipe IUPUI, Team S3-G6, Harley Fall 2017

IUPUI-HARLEY-F17S3G6

3 membres

5 tutoriels rédigés

8 commentaires

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

martin bird - Réponse

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?

Brent Bono - Réponse

I am looking the heating components.

Zebra 99 - Réponse

But where do I find a replacement PCB?

Luca Giacca - Réponse

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.)

ExpatViking - Réponse

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