Connect the receiver's remote control (see Figure 1): Take the proper length cable, one end of each plate welded ③ R R1 socket, ④, ⑤ feet, through the keyboard cable box, the other end of Q2 plates were welded socket Q The ⑦, ⑧, ⑨ pin.FFKservice manual download site

    K board production: a button on the keyboard to pull down ten small cover on the box, ready thirteen micro switch (hereinafter referred to as the switch). Button at the bottom of the original hole fixed switches, push button switches to wear one of the original hole should be slightly larger than the outer shell of the original switch button holes for adhesive bonding with AB, switch button after bonding should not be higher than the original button. Thirteen switch is connected to the common point with the bare wires together, R002 ~ R012 and then welded to the corresponding switch, the switch resistance placed in the vicinity of the trench. After completion of the above work, take the appropriate length of cable, a switch connected to the common point of thirteen, then s002 and R002 ~ root node (ie AD0), then s008 and R008 a node (ie ADl), row line through the keyboard box, the other terminal connected to the socket ④ Q plate Q2, ③, ① feet.FFKservice manual download site

    R002 ~ R012 are precision resistors, no such resistance to sell on the market. When selecting resistors, the error should be less than 1%, otherwise they will be too large accumulated error caused the error. R002-R012 can be selected from carbon film resistor 2.43kΩ, 2.26kΩ, 3.24kΩ, 5.11kΩ, 9 3kΩ and 21.5KΩ resistance, or choose from a small error in the two metal film resistors resistor in series (eg 2kΩ string 430Ω as 2.43kΩ use) instead.FFKservice manual download site

    After completion of the above work, the connection with hot melt adhesive to R1 and Q2 outlet socket fixed to prevent the connection from the root fracture.FFKservice manual download site

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