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Audioaccess MA-362 Service Manual

Audioaccess MA-362 Service Manual

Twelve channel amplifier
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AUDIOACCESS
MA-362
TWELVE CHANNEL AMPLIFIER
PRELIMINARY SERVICE MANUAL
Harman Consumer Group
250 Crossways Park Dr.
Woodbury, New York 11797

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Summary of Contents for Audioaccess MA-362

  • Page 1 AUDIOACCESS MA-362 TWELVE CHANNEL AMPLIFIER PRELIMINARY SERVICE MANUAL Harman Consumer Group 250 Crossways Park Dr. Woodbury, New York 11797...
  • Page 2 Channel Amplifier The Audioaccess MA-362 Twelve channel is delivered by a pair of high Audioaccess products is maintained in the Channel Amplifier represents a high value current output transistors capable of new MA-362. An external speaker termi- approach while providing twelve channels...
  • Page 3: Specifications

    L Bandwidth: 5 – 75k Hz. +0, -3dB, at rated minimum attenuation) L Input Level Trim Range: 20dB power, 4Ω load L Gain: 26dB A Harman International Company Audioaccess TI-501 Speaker Termination Board (Sold separately) Audioaccess ® Madrigal Audio Laboratories, Inc. P.O.Box 781 Middletown, CT 06457-0781 Internet: www.madrigal.com...
  • Page 4 Installation Flexibility Ease of installation, a hallmark of all Audioaccess products is maintained in the new MA-362. An external speaker termination board can be ordered in advance to allow termination of loudspeakers before the amplifier is delivered for final installation.
  • Page 5 • Dimensions and weight: Height: 7" (178 mm) (4 rack spaces, not including feet) Width front panel: 19" (483 mm), Width chassis: 17 1/16" (450 mm) Depth: 17 1/16" (450 mm). Weight: 60 lb (27.2 kg) (without carton) Features, specifications and dimensions are subject to change.
  • Page 10 MA362 Electrical/Mechanical Parts Lists Note: These parts lists may contain some part numbers that are not valid, or No Longer Available. Descriptions and Reference Designators, when included, should aid technicians in part substitution. If necessary, call the Parts department at 1-516-496-3400 ext.
  • Page 11 MA-362 Parts List Parts No. Description Q'ty Designator 92-V1003 ASS'Y PCB- PX1275 MAIN AMP PCB 11-3/CQ203SP FUSE CLIP CQ-203SP FOR 5MM FUSE F1,F2 ADB-KBPC602 DIODE BRIDGE KBPC602 200V 6A AIC-TL071 IC TL071(TI) U3,U4 AIC-TL072 IC TL072(JRC-NJM) ARL-02-R002 RELAY 24V DPDT TRIH-24VDC-SB-2CM ATR-2SB649A TR.2SB649A Q13,14...
  • Page 12 TU2-S9010-100 PCS C53,54 TUBING S1 1mmD 10mm WAS-R1067 WIRE ASY #24 2468 2P 50MM EH CN6A(ZONE 3) WAS-R1072 WIRE ASY #24 2468 3P 50MM EH CN1A(ZONE 3) 91-V1004 ASS'Y PCB-VAC1004 I/O PCB AUTO INS 90-V1004 Bare I/O PCB FR4 180*87*1.6MM PX-1275 ECQ-100T104J CAP MPP 100V 0.1u +-5% TAP C53,54...
  • Page 13 90-V1006 AC PCB FR4 181.2*63.3*1.6MM PX-127 ADD-1N4004*TAP52 DIODE RECTI 1N4004 TAPING 52MM D101 ADD-1N4148*TAP52 DIODE Sw/ 1N4148 TAPING 52MM D103,104,107 ,108 ADZ-UZ4-3BM DIODE ZENER UZ-4.3BM 1/2W 4.1V-4.5 D102,105 ATR-BF422 TR BF422 TAPING Q101 ECE-050T476M-KM CAP ELE 50V 47uF +-20% 105C 6.3*11 C104 ECW-275V472K X-CAP HQX 0.0047uF/275V P=10MM...
  • Page 14 SM3R0+06SPB SCREW MACHINE 3*6 PAN BLK PW SW*4,FPNL *2 SS3R0+12SBB SCREW TRIANGLE 3*12 BIND BLK FOOT*4 SP3R0+06SBB SCREW TAPING 3*6 BIND BLK BKT-SINK BKT SN3R0+08SBB SCREW TAPING 3*8 N BLK RCA JACK SM4R0+06SBB SCREW MACHINE 4*6 BIND BLK R-PNL-BOT*3 SM4R0+10SFB-S SCREW MACHINE 4*10 S FLAT BLK COVER SS4R0+08SBB-C...