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SERVICE MANUAL
MONO POWER AMPLIFIER
Caution : The part marked with ! is generating a high Voltage, so care will be
necessary when working.
MONO POWER AMPLIFIER MRD-M1000
TO ALPINE Home Page
2/03-A
68E35107S01
MRD-M1000
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.
Contents
Packing Assembly Parts List
Packing Method View
Specifications
Block Diagram
Parts Layout on P.W.Boards and Wiring Diagram
Schematic Diagram
Terminal Voltage of IC/TR
Description of IC Terminal
Exploded View (Cabinet)
Cabinet Assembly Parts List
Electrical Parts List
NOTE : Due to continuing product improvement, specifications and designs are subject to
change without notice.
Packing Assembly Parts List
Symbol Part No. Description Symbol Part No. Description
No. No.
#1 101 68P02294K64 OWNER'S MANUAL 109 28E20925S01 HOUSING RUBBER-A
$1 101 68P02294K76 OWNER'S MANUAL 110 75E33371S01 CUSHION PAD(A) (35X7)
$1 101 68P02294K77 OWNER'S MANUAL(I,G,S) 111 75E33372S01 CUSHION PAD(B) (50X10)
102 03E34961S01 SCR M4X20 TPG1,BLK 112 75E33380S01 HOUSING RUBBER-H
103 03E32133S01 SCR M3X5(B)MCH(BLK) 113 75E35194S01 HOUSING RUBBER-I
104 03E33366S01 WRENCH BOLT M3X12(WHT) 114 47E22594S01 WRENCH(6) (2.5mmX2.9mm)
105 03E29533S01 SCR(6)M5X6(GOLD) 115 47E35195S01 WRENCH(6) (4mmX4.6mm)
106 15E35192S01 COVER END 116 47E35196S01 WRENCH(6) (3mmX3.5mm)
107 15E35193S01 COVER TERMINAL 117 65E35197S01 FUSE,80A
108 07E33370S01 BKT SPRING 118 15E35198S01 FUSE HOLDER,PS-98
Note : #1 : For North American Model Only, $1 : For General Foreign Model Only, Others : Common.
Packing Method View
106
117, 118 107
101
110 X3 103 X6
102 X4
111 X3 116
112 113 105 X2 104 X2
109 114 115
108 X3
TO CONTENTS
Specifications
Power Output ................................................................................. 4ohm, 1% T.H.D., 14.4V, 20Hz & 100Hz : 500W
2ohm, 1% T.H.D., 14.4V, 100Hz : 1000W
2ohm, 1% T.H.D., 14.4V, 20Hz : 900W
T.H.D. (100Hz) ................................................................................................................ 400W/ch/4ohm, 14.4V : 1%
S/N Ratio (Ref. Output 500W/4ohm, Input short, Gain Position -12dB) .............................................................. 80dB
Residual Noise (Input Short, Wide Band, Gain Position -12dB) ........................................................................ 40mV
Frequency Response (Ref. 100Hz, 0dB) ........................................................................................... 20Hz : -0.5