Frequent breakage of the 12-pin FFC (Flexible Flat Cable) connector or traces on the JDS-040 daughterboard. 4. Visual Layout Reference
: In this revision, the trigger springs are captive within the triggers , making them easier to pop out without losing the small tension springs—a common frustration in earlier V1 models. Schematic & Repair Insights jdm-040 schematic
Using the motherboard's layout as a guide, they carefully disconnected the battery and touchpad to avoid tearing the delicate ribbon cables. Frequent breakage of the 12-pin FFC (Flexible Flat
There are often "F1" or "F2" labeled tiny fuses near the battery connector in the schematic. If the controller won't turn on even with a good battery, these fuses are the primary suspects for a "blown" circuit. Importance to the Modding Community jdm-040 schematic