Service Manuals, User Guides, Schematic Diagrams or docs for : MAKITA DC1470-TE

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DC1470-TE


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T        ECHNICAL INFORMATION
       Models No.            DC1470
                                                                                                                  NEW TOOL
                                                                                                                    P1/2

       Description           Charger
CONCEPTION AND MAIN APPLICATIONS
This charger can charge 1.3Ah Ni-Cd.batteries of 7.2V - 14.4V approx
in 60 minutes.
Its brief benefits and features are as follows.                                  H
* The charging time is kept in the steady level by controlling the
  out put current ( current for charging battery) in spite of the changeable
  input voltage (power source voltage).
* The charger can switch into trickle charge (maintenance charge) mode
                                                                                     W
  to keep the full charged condition for battery left in the charger.
                                                                                                              L
The end of charging process is recognized by thermostat.
 The Ni-Cd.batteries with high capacity (over 1.7Ah) and all of
       Ni-MH. batteries can not be charged with this charger.
                                                                                          Dimensions : mm ( " )
                                                                                     Width ( W )   80 (3-1/8)
                                                                                     Height ( H )  63 (2-1/2)
                                                                                     Length ( L ) 145 (5-3/4)



   Specification
                                                                        Continuous Rating (W)
         Voltage (V)         Current (A)         Cycle (Hz)                                           Max. Output(W)
                                                                       Input            Output
         110 - 120                                50 - 60              40
            120                                   50 - 60              40
             220                                  50 - 60               40
         220 - 240                                50 - 60               40
         230 - 240                                50 - 60               40


       Output voltage (D/C)        7.2 V, 9.6 V, 12 V, 14.4 V              The chargeable batteries
       Output current (D/C)        1.5 A                              Voltage         Type No.
       Charging time               Approx. 60 min.                     7.2 V          7000
       Net weight : Kg ( lbs )       0.41 (0.9)                                       9000
                                                                       9.6 V          9100
       Cord length : m ( ft )        2.0 (6.6)
                                                                                      9120
                                                                                      1210
                                                                      12 V            1220
                                                                                      1200
                                                                                      1200A
                                                                      14.4 V          1420
Repair                                                                                                                 P2/2
<1> The circuit board can not be repaired, because the circuit itself are molded on the board
     with the urethane resin.
    It has to be replaced completely with new one.
<2> In case of damaged varistor or fuse, they can be repaired according to the following procedure without
     replacing the circuit board.
  (1) How to find broken varistor
    a. In case that the surface of varistor (ref. to the following illustration) has broken or has become black, and
        fuse has been cut, the varistor has been damaged.
    b. Varistor can be damaged easily, if the charger is plugged in a double voltage of the rating one.
    c. It is considered that the varistor has been broken for other reasons, if the fuse is broken while the surface
       of varistor is not damaged. In this case circuit board has to be replaced.

                    Varistor


                                                                              Circuit board
                                                                                              Charger case set


                         Fuse



                                                                                  Fig.1


   (2) Replacing damaged varistor
     a. Varistor is assembled on circuit board with solder. Remove it from circuit board
        with soldering iron.
                                      Varistor        Circuit board

                                                                                  Fig.2

                                                 When removing varistor, melt this part with soldering iron
                                                 and remove varistor.

        b. Assemble new varistor to the circuit board by soldering.
        c. Cut the surplus of varistor's wire with nipper.



                 Circuit board                     Varistor

                                                                         Less than 3mm

                                                                                  Fig.3


    (3) Replacing damaged fuse
      a. Fuse is assembled on circuit board with solder. Remove it from circuit board with soldering iron.
      b. Assemble new fuse to the circuit board by soldering.
      c. Cut the surplus of fuse's wire with nipper.



                                       Fuse                                       Fig.4

                                                                            Less than 3mm


                                                              When removing fuse, melt this part with soldering iron
                                                              and remove fuse.



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