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Nintendo Switch Joycons not charging or connecting Repair

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Revision as of 16:43, 13 January 2024 by ASRepairs (talk | contribs)

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Nintendo Switch Joycons not charging or connecting Repair
Device Nintendo Switch
Affects part(s)
Needs equipment
Difficulty
Type


[[File:1200px-Joycon DCDC cap diagram.jpg|thumb|Diagram showing resistor layout (Figure 1)[[File:1200px-Left Joycon DC-DC converter.jpg|thumb|Left Joycon DC-DC converter (Figure 2)

Right Joycon DC-DC converter (Figure 3)

]]]]

Problem description

Fixing an issue where the Joycons are not charging or connecting/pairing. Joycons aren't charging (on one or both sides), the fan works, and the side-rail is confirmed working.

Symptoms

  • Joycons not charging or connecting/pairing
  • Joycons aren't charging (on one or both sides)
  • The fan works
  • The side-rail is confirmed working.

Solution

Measure both resistors. 18kohm on both resistors (Figure 1) indicates a failed/shorted capacitor (even if the cap does not test as a short). Resistors should measure 100kohm and 22kohm respectively.

Measure pin 6 (Figure 2 & 3) in diode mode-- it should read 0. If it reads 0.6v drop this reinforces the capacitor failure.

If resistors check out, the DC-DC component may need replacing