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AIBO ERS-31 Series Cleaning Manual

Potentiometer
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AIBO ERS-31x
Potentiometer cleaning guide
Revised 28/06/2006

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Summary of Contents for AIBO ERS-31 Series

  • Page 1 AIBO ERS-31x Potentiometer cleaning guide Revised 28/06/2006...
  • Page 2 ERS-31x Potentiometer cleaning guide (ERS-311, 312, 31L) Section Guide 1. Q & A 2. Lower Leg 3. Upper Leg 4. Body Shell Removal 5. Hip / Shoulder 6. Neck 7. Conclusion and Thanks Please note that as all Legs, Hips and Shoulders are of the same or similar design, only one of each is shown Frootloop 2006...

  • Page 3: Section 1 - Q & A

    So, what’s a Potentiometer and why is it important to my AIBO? If your AIBO is suffering from tremors, shaking or juddering limbs it could be down to a dirty potentiometer in the limb or body. Potentiometers are there to sense the position of the specific joints in the AIBO.
  • Page 4 The last thing you need is for your AIBO to wake up during its operation! There are a lot of delicate components within your AIBO so exercise caution at all times. In particular, the Flexible circuits are thin and easily damaged. If one of these becomes torn, it will probably mean an expensive trip to the clinic for your AIBO.

  • Page 5: Section 2 - Lower Leg

    ERS-31x Potentiometer cleaning guide (ERS-311, 312, 31L) Section 2 - Lower Leg 2.01 Remove the 2 screws from the lower leg outer casing. Once these screws have been removed, carefully pry the two halves of the leg casing apart. 2.02 The inner leg casing is held together by one screw, remove this and carefully remove the casing starting at the top...
  • Page 6 ERS-31x Potentiometer cleaning guide (ERS-311, 312, 31L) 2.05 Inside the potentiometer is a black circular disc on which is mounted spring contacts. Carefully remove this by using a blunt object in the cut out area shown. 2.06 It is possible to simply leave this disc in place and spray the cleaner into the gap provided, but removing the disc allows for checking of the contacts.

  • Page 7: Section 3 - Upper Leg

    ERS-31x Potentiometer cleaning guide (ERS-311, 312, 31L) Section 3 – Upper Leg 3.01 Remove the 2 screws from the upper leg outer casing. Once these screws have been removed, carefully pry the two halves of the leg casing apart. 3.02 The inner leg casing is held together by one screw, remove this and carefully remove the casing starting at the top...

  • Page 8: Section 4 - Body Shell Removal

    ERS-31x Potentiometer cleaning guide (ERS-311, 312, 31L) Section 4 – Body Shell Removal The body shell is required to be removed for access to the neck and hip potentiometers. 4.01 Firstly remove the battery cover exposing the core. The 4 screws holding the lower half of the casing on need to be removed.
  • Page 9 Turn the AIBO over and lift the top casing away from the core. Note that the neck shielding is also held in a channel in...

  • Page 10: Section 5 - Hip / Shoulder

    ERS-31x Potentiometer cleaning guide (ERS-311, 312, 31L) Section 5 - Hip / Shoulder 5.01 To gain access to the Hip and Shoulder joints, the side covers of the core need to be removed. The sides are split into upper and lower halves on each side. Each retained by 2 screws.
  • Page 11 ERS-31x Potentiometer cleaning guide (ERS-311, 312, 31L) 5.05 With the leg mechanism removed, turn it over to reveal a potentiometer on the back. 5.06 The Hip/Shoulder potentiometer is a different type from the leg pots and has a plastic cover that can be removed. It is possible to simply spray the cleaner into the slots in the cover, but more effective cleaning can be achieved if the cover is removed.
  • Page 12 ERS-31x Potentiometer cleaning guide (ERS-311, 312, 31L) 5.08 Inside the potentiometer is a disc on which is mounted spring contacts. 5.09 Carefully remove this disc using tweezers. Take care not to pick the disc up by the contacts as this may bend or break them. 5.10 With the disc removed it is possible to check the contacts.
  • Page 13 ERS-31x Potentiometer cleaning guide (ERS-311, 312, 31L) 5.12 When the disc and cover are in place and the potentiometer is safely back together, gently move the joint back and forth to work the cleaner across the contact surface. Carry out this procedure for each leg and re-attach each leg mechanism before starting on the next.

  • Page 14: Section 6 - Neck

    ERS-31x Potentiometer cleaning guide (ERS-311, 312, 31L) Section 6 – Neck 6.01 The Neck mechanism is held in place by 4 screws on the top of the core. Remove these but do not lift the mechanism out of place yet. 6.02 The neck mechanism is connected to the core by thin wires, wiring looms and a flexi.
  • Page 15 ERS-31x Potentiometer cleaning guide (ERS-311, 312, 31L) 6.03 Put the neck mechanism on its side. You will notice a single potentiometer mounted on the side. This is a similar type to the ones found on the Hip/Shoulder mechanism and therefore has slots in which switch cleaner can be sprayed into. Once the cleaner has been sprayed into the potentiometer, carefully move the head up and down in order to work the neck joint.

  • Page 16: Section 7 - Conclusion And Thanks

    Many thanks to: The members of the Aiboworld, Good-Aibo and Aibo-Life forum’s for all their advice and assistance. Dan and Caz for getting us into Aibos in the first place. Jo for allowing us to adopt “Button”.

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