Service Manuals, User Guides, Schematic Diagrams or docs for : ALPINE Car Audio MRD-M301 Alpine MRD-M301

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Alpine MRD-M301


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SERVICE MANUAL
  MONO POWER AMPLIFIER




                  TO ALPINE Home Page


                           2 / 04-A
                           68E36265S01




 MRD-M301

 The following cautions will prevent accidents in the workplace and will ensure safe products.
*The symbols indicate caution is needed to prevent injuries and damage to property.
 The symbols and their meanings follow.


                      If you ignore this symbol and handle the product incorrectly or unsafely,
        Warning       serious injury or death may result.

                      If you ignore this symbol and handle the product incorrectly or unsafely,
        Caution       injury or only material damage may result.



*The following symbols indicate two levels of cautions.

        When you see this symbol, you have to be very careful.


        When you see this symbol, you have to follow the instructions there.




        Warning
        Do not look squarely into the laser light                     Fuse Caution
        coming from the pickup.                                       Always use a designated fuse.
        You may loose you sight.                                      Use of an incorrect fuse may result in a fire.



        Caution
        Do not allow wiring to be caught in the                       Battery Caution
        screw/chassis.                                                Use the designated battery.
        If wiring is caught in the screw/chassis, it may              Confirm the correct polarity and seat of the
        cause a short circuit, resulting in a fire.                   battery.
                                                                      An incorrect battery or an improperly connected
                                                                      or seated battery may result in a fire.

        High Temperature Caution                                      Designated Parts Caution
        Touching the heat sink may cause severe burns.                Look up the part list and ensure that only
                                                                      designated parts are used to prevent problems or
                                                                      accidents.

        Reverse Power Supply Connections or                           Wiring Caution
        Misconnections Caution                                        Ensure that the wiring is correct when rewiring to
        Reverse power supply connections or                           prevent problems with ignition/breakdown.
        misconnections may cause ignition problems and
        smoke may result.

        Soldering Caution                                             Wear Gloves
        Hot solder from solder splash may cause severe                Wear gloves to prevent electrical shocks or injury
        burns.                                                        from the end face of the metal.




                                                           -2-
                                                                                          MRD-M301

                                        Contents


     Packing Assembly Parts List                                                               4

     Packing Method View                                                                       4

     Specifications                                                                            5

     Block Diagram                                                                             6

     Parts Layout on P.W.Boards and Wiring Diagram                                           7,8

     Schematic Diagram                                                                       9 , 10

     Terminal Voltage of IC/ TR                                                             11 to 13

     Description of IC Terminal                                                               14

     Exploded View (Cabinet)                                                                  15




NOTE : Due to continuing product improvement, specifications and designs are subject to
       change without notice.




                                                  -3-
                                                                                                                    MRD-M301
Packing Assembly Parts List

 Symbol           Part No.               Description                   Symbol     Part No.                   Description
   No.                                                                   No.
   101-1        03E36238S01   SCR(M4X20 TPG1,BLK)                 #1    102-1   68P04190K32       OWNERS MANUAL(AE)
   101-2        03E36208S01   WRENCH BOLT(M3X12(WHT))             $1    102-1   68P04190K18       OWNERS MANUAL(GE)
   101-3        15E36239S01   COVER TERMINAL(A)                   %1    102-1   68-00346Z14       OWNERS MANUAL(EU)
   101-4        01E28659S01   WRENCH (2mmX2.3mm)                  $1    102-2   68P04190K19       OWNERS MANUAL(I.G.S)
   101-5        01E36240S01   ASSY KIT SP-IN WIRE


NOTE : #1 : For North American Model Only, $1 : For European Model Only,
       &1 : For Chinese Model Only, Others : Common.


Packing Method View



                                                                        $1
                                                        102 -1
                                                                   102 -2




                                                                                                                         101   -5




  101      -1
                   101   -2




                                                                                    101      -3




           101     -4




 NOTE : $1 : For European Model Only, Others : Common.
                                                                                                                TO CONTENTS
                                                                 -4-
                                                                                                                                                    MRD-M301

Specifications
 Power Output (20Hz, 100Hz) ................................................................................. 4ohm, 1% T.H.D., 14.4V : 175W
                                                                                                                              2ohm, 1% T.H.D., 14.4V : 350W
 T.H.D. (100Hz) ................................................................................................................ 100W/ch/4ohm, 14.4V : 1%
 S/N Ratio (Ref. Output 175W/4ohm, Input short, , Gain Position 0dB) ............................................................... 81dB
 Residual Noise (Input Short, , Gain Position 0dB) ............................................................................................. 30mV
 Frequency Response (Ref. 100Hz, 0dB) ........................................................................................... 20Hz : -0.5



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