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Alpine MRD-M301 Service Manual
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Alpine MRD-M301 Service Manual

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SERVICE MANUAL

MONO POWER AMPLIFIER
TO ALPINE Home Page
2 / 04-A
68E36265S01
MRD-M301

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Questions and answers

Ronnie Dalmacio
January 16, 2025

How do I set it up alpine with this digital setting

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1 comments:
Mr. Anderson
February 3, 2025

To set up the Alpine MRD-M301 with digital settings, follow these steps:

1. Access the settings:
- Press the up or down button until "INPUT" is displayed.
- Press the ENT button to confirm.

2. Adjust the input level:
- Use the up or down button until "LEVEL" is displayed.
- Press the ENT button to confirm.
- Use the left or right buttons to adjust the input level within the range:
- MRD-M301: 0.1 – 1.0V or 1.0 – 8.0V.
- Press the ENT button to save the setting.

These steps allow you to adjust the input level and optimize the digital settings for your system.

This answer is automatically generated

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Summary of Contents for Alpine MRD-M301

  • Page 1: Service Manual

    SERVICE MANUAL MONO POWER AMPLIFIER TO ALPINE Home Page 2 / 04-A 68E36265S01 MRD-M301...
  • Page 2 <Cautions for Safe Repair Work> 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.

  • Page 3: Table Of Contents

    MRD-M301 Contents Packing Assembly Parts List Packing Method View Specifications Block Diagram 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 Exploded View (Cabinet) NOTE : Due to continuing product improvement, specifications and designs are subject to change without notice.

  • Page 4: Packing Assembly Parts List

    MRD-M301 Packing Assembly Parts List Symbol Description Symbol Description Part No. Part 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)

  • Page 5: Specifications

    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.

  • Page 6: Block Diagram

    Block Diagram MRD-M301 TO CONTENTS JK101 INPUT BUFFER INPUT TML301 ISOLATOR Output OUTPUT+ LC Filter DIGITAL POWER MODE AMPLIFIER BURRER OUTPUT- L+Rch L/R MIX LC Filter Output Protection circuit DIN601 Over current Commander ANALOG +5V low 2nd volt DIGITAL +5V...
  • Page 7 回路図 (1/2) R591 Z573 470-1/4 TP575 BK1608HM102 TP578 D562 Z574 R592 SB05-05CP R594 BK1608HM102 560-1/4 1k-1/4 R599 R590 Z575 1k-1/4 TP115 IC609 R161 560-1/4 TC74VHC08AFT BK1608HM102 TP577 R593 TP114 C161 C576 TP116 100p 0.01 470-1/4 TP573 C168 TP576 DIN601 0.01 Z163 BK2125HS601 7P DIN SOCKET SCREW TYPE...
  • Page 8 回路図 (2/2) TP310 TP308 TP309 TP306 TP305 R317 TP302 R306 3.9k-1/4 R318 R314 R359 56-1/4 C306 C353 3.3k 1000p R320 100k C312 C359 1000p R316 27-1/4 Q304 IRFZ44N R315 L301 Q301 22-1/4 IRF5305 CHOKE R313 Q311 C305 1000p 1000p D566 43-1/4 TP314 C834...
  • Page 9 MRD-M301 Terminal Voltage of IC/TR IC100 IC101 IC102 IC103 4.9 m 2.21m 2.42m 3.05m 4.9 m 4.91m 2.63m 3.07m 4.9m 4.98m 2.72m 2.7m -15.229 -15.256 -51.261 -15.267 4.99m 5.13m 3.05m 2.63m 5.0m 4.89m 3.24m 2.68m 5.1m 2.56m 5.02m 2.72m 15.193 15.213...
  • Page 10 MRD-M301 IC302 5.058 -23.02 -23.375 -23.375 -23.02 5.058 -23.375 4.6m IC501 0.89m 5.059 5.058 5.063 2.127 0.89m 1.99m 5.063 2.308 4.171 18.87m 0.89m 0.88m 0.86m 5.059 5.061 5.063 0.84m 5.062 5.061 6.062 0.82m 3.562 5.061 5.062 4.984 99.22m 5.053 5.059 4.977...
  • Page 11 MRD-M301 IC602 IC603 IC604 5.064 14.311 14.312 0.41m 5.372m 5.31m 13.674 8.093 5.058 IC605 IC607 14.31 5.064 6.43m 2.77m 5.06 2.78m 2.78m 5.058 2.78m 5.064 2.78m 2.78m 2.78m 5.064 IC608 IC609 5.063 5.061 0.6m 2.06m 2.77m 0.89m 2.07m 2.78m 0.62m 5.063...

  • Page 12: Description Of Ic Terminal

    MRD-M301 Description of IC Terminal TMP86PM47U : IC501 Symbol Terminal Description GND connect terminal of A/D converter. Crystal OSC connect terminal. XOUT TEST TEST terminal. Power supply terminal. (4.5 to 5.5V) I2C_SDA I2C-SDA output terminal. I2C_SCL I2C-SCL output terminal. RESET RESET terminal.

  • Page 13: Exploded View (Cabinet)

    MRD-M301 Exploded View (Cabinet) DIN601 TML301 JK101 F101 TML601 F601 TO PARTS LIST TO CONTENTS - 15 -...

  • Page 14: Electrical Parts List

    MRD-M301 Electrical Parts List * Each parts on P.W.Board are described in order of the reference number. =======MAIN P.W.Board C001 08T95420W01 CAP,CER 101K-R2J -CP C002 08T95420W01 CAP,CER 101K-R2J -CP C003 08E33110S01 CAP,CER 102-K-B1H-CP C004 08E33110S01 CAP,CER 102-K-B1H-CP C007 08E33110S01 CAP,CER 102-K-B1H-CP...
  • Page 15 MRD-M301 C302 08E33316S01 CAP MMH 105-J-M(100V) C303 08S45539Y05 CAP,CER 152KX7R2J-CP C304 08S55504Y01 CAP,CER 334 MX7R2A-CP C305 08E33110S01 CAP,CER 102-K-B1H-CP C306 08E33110S01 CAP,CER 102-K-B1H-CP C307 08S45539Y01 CAP,CER 102KX7R2J-CP C308 08E33316S01 CAP MMH 105-J-M(100V) C311 08S45539Y01 CAP,CER 102KX7R2J-CP C312 08S45539Y01 CAP,CER 102KX7R2J-CP...
  • Page 16 MRD-M301 C576 08E32056S01 CAP,CER 101-J-CH1H-CP C577 08E28771S01 CAP,CER 103-K-B1H-CP C578 08E28771S01 CAP,CER 103-K-B1H-CP C580 08E32056S01 CAP,CER 101-J-CH1H-CP C581 08E32056S01 CAP,CER 101-J-CH1H-CP C601 08E28771S01 CAP,CER 103-K-B1H-CP C603 08S45539Y02 CAP,CER,222KX7R2J-CP C604 08S45539Y02 CAP,CER,222KX7R2J-CP C611 08E27842S01 CAP,TF,AMCS 122-J-RD C612 08E31991S01 CAP,CER 222-K-B1H-CP C661...
  • Page 17 MRD-M301 D566 48E23841S01 DIO,DAP,202K-T-146-CP D581 48E10945S01 DIO,DAN 202K-T-146-CP D583 48T68828F11 DIO,1SS133-RH D601 48T84052F11 DIO SI 11ES2-TB5-R5 D603 48T84052F11 DIO SI 11ES2-TB5-R5 D801 48E35122S01 DIO,FFPF15U20DN D802 48E35121S01 DIO,FFPF15U20DP E101 23E33665S01 CAP,ELEC,SHL 3.3/50-M-RD E102 23E33665S01 CAP,ELEC,SHL 3.3/50-M-RD E103 23E33351S01 CAP,ELEC,SHL 22/50-M-RD E106...
  • Page 18 MRD-M301 IC102 51E36224S01 NJM4558V(TE1) IC103 51E36224S01 NJM4558V(TE1) IC104 51T45654Y03 TC94A04AFD-016 IC105 51T35012Y01 TC9246F-EL -SE6 IC200 51E36224S01 NJM4558V(TE1) IC301 51E36225S01 IC,TDA7571 IC302 51E23843S01 IC,NJM2903M-TE3 IC501 53-00294Z54 IC,TMP86PM47U-XXX-QT IC511 51E35180S01 IC, MC24C01-WMN6T-SE2 IC521 51T65016Y30 IC S-80942 CNMC-T2-CP IC522 51T65016Y31 IC S-80943 CNMC-T2-CP...
  • Page 19 MRD-M301 R112 06E28555S01 RES,CF,153-J-1/16-CP R113 06E28549S01 RES,CF,472-J-1/16-CP R115 06E31149S01 RES,CF,221-J-1/16-CP R118 06E31149S01 RES,CF,221-J-1/16-CP R120 06E28786S01 RES,CF,331-J-1/16-CP R121 06E31174S01 RES,CF,332-J-1/16-CP R123 06E28624S01 RES,CF,0R0-J-1/16-CP R126 06E28624S01 RES,CF,0R0-J-1/16-CP R131 06E28533S01 RES,CF,102-J-1/16-CP R132 06E28533S01 RES,CF,102-J-1/16-CP R133 06E28537S01 RES,CF,104-J-1/16-CP R134 06E28537S01 RES,CF,104-J-1/16-CP R135 06E28624S01 RES,CF,0R0-J-1/16-CP...
  • Page 20 MRD-M301 R322 06E32214S01 RES,CF,182-F-1/16-CP R323 06E28534S01 RES,CF,103-J-1/16-CP R324 06E28795S01 RES,CF,333-J-1/16-CP R325 06E33252S01 RES,CF,122-F-1/16-CP R326 06E28534S01 RES,CF,103-J-1/16-CP R331 06E22115S01 RES,CF, 101-J-1/4-CP R356 06E28534S01 RES,CF,103-J-1/16-CP R358 06E28534S01 RES,CF,103-J-1/16-CP R359 06E31174S01 RES,CF,332-J-1/16-CP R360 06E28624S01 RES,CF,0R0-J-1/16-CP R371 06E32201S01 RES,CF,391-J-1/16-CP R401 06E33312S01 RES,MO,10-J-2W-S R402 06E33313S01...
  • Page 21 MRD-M301 R537 06E28533S01 RES,CF,102-J-1/16-CP R541 06E34813S01 RES,CF,303-F-1/16-CP R542 06E31687S01 RES,CF,103-F-1/16-CP R543 06E31685S01 RES,CF,105-J-1/16-CP R544 06E28534S01 RES,CF,103-J-1/16-CP R545 06E28534S01 RES,CF,103-J-1/16-CP R550 06E36222S01 RES,CF, 1RO-J-1/4-CP R551 06E33835S01 RES,CF,181-J-1/16-CP R552 06E36228S01 RES,CF,243-F-1/16-CP R553 06E34550S01 RES,CF,272-F-1/16-CP R555 06E36223S01 RES,CF,273-F-1/16-CP R556 06E34814S01 RES,CF,513-F-1/16-CP R558 06E31160S01...
  • Page 22 MRD-M301 R621 06E36223S01 RES,CF,273-F-1/16-CP R653 06E28534S01 RES,CF,103-J-1/16-CP R661 06E23597S01 RES,CF, 182-J-1/4-CP R662 06E23597S01 RES,CF, 182-J-1/4-CP R663 06E23597S01 RES,CF, 182-J-1/4-CP R664 06E23597S01 RES,CF, 182-J-1/4-CP R670 06E33335S01 RES,CF, 303-J-1/4-CP R671 06E31159S01 RES,CF,303-J-1/16-CP R672 06E31086S01 RES,CF, 473-J-1/4-CP R673 06E26239S01 RES,CF, 103-J-1/4-CP R801 06E31175S01...
  • Page 23 MRD-M301 Z606 91T65112W04 EMI,BK2125HS601 -CP Z607 91T65112W04 EMI,BK2125HS601 -CP Z608 91T65112W04 EMI,BK2125HS601 -CP Z609 91T15509Y08 EMI,BK1608HM102 -CP Z610 91T15509Y08 EMI,BK1608HM102 -CP Z611 91T65112W04 EMI,BK2125HS601 -CP Z612 91T15509Y08 EMI,BK1608HM102 -CP Z613 91T65112W04 EMI,BK2125HS601 -CP Z801 91T65112W04 EMI,BK2125HS601 -CP Z802 91T65112W04 EMI,BK2125HS601 -CP...
  • Page 24 MRD-M301 Cabinet Assembly Parts List Note : The part that has not PART NUMBER will not be supplied. - - - - - - - - - - - MAIN HEAT/SINK - - - - - - - - - - -...