Phonic MAR1 Service Manual
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Phonic MAR1 Service Manual

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  • Page 2: Safety First

    SAFETY FIRST! WARNING - TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. WATER AND ELECTRICITY DO NOT MIX. Keep this unit away from water. If water or other liquids are spilled on or into this unit, unplug the power cord immediately from the wall socket (with DRY HANDS) and get a qualified service technician to check it out before using.

  • Page 3: About This Manual

    Congratulations on your purchase of the Phonic MAR 1 Reference Amplifier. Like other Phonic MAR series power amplifiers – MAR 2/4/6, this unit is designed to provide a good combination of power, audio clarity, reliability and durability. Especially, optimized for...

  • Page 4: Front Panel Description

    2. Protect LED Indicator The MAR1 features several types of protection to prevent damage to the 3. Clip LED Indicator circuitry during turn-on or fault conditions. If the LEDs light up, this indicates that one...

  • Page 5: Power Switch

    solve the problem, check your output 5. Power Switch cables and speakers. The power ON/Off switch with an LED 4. Signal “Status” LED Indicator indicator. Each channel of the MAR 1 features a Always start with Gain Control (1) all signal LED to show that there is an audio the way down before powering-up to signal at the input to the channel.

  • Page 6: Ground Lift Switch

    Amplifier off; otherwise to keep the switch in the “Ground On” speakers’ components could position, damaged. 9. Binding Post Output Ch1/ Ch2 8. Ground Lift Switch This switch allows the circuit and chassis grounds to be separated in case on a ground conflict.
  • Page 7 Hook-up #1 Studio Monitor Amp/ Sound Reinforcement The MAR1 is ideal for driving near-field or other reference speakers. For auditorium and live music use, the MAR 1 has sufficient power to drive a set of small-to-medium size club speakers. mixer...
  • Page 8 Hook-up #2 Bi-Amp Sound Reinforcement Biamplification often provides better live sound and greater efficiency by splitting the audio signal into two different channels. One MAR1 drives a low frequency speaker system and the other, a high frequency speaker system. Impact 12...

  • Page 9: Specifications

    Specifications 20 – 20kHz (+ 1 dB) Frequency response (1W/ 8 ohms) 20 – 20kHz (+ 1 dB) Power bandwidth (100W/ 8 ohms) < 0.3 % (100W/8 ohms, 10Hz – 20kHz) Total harmonic distortion <0.5 % (120W/4 ohms, 10Hz – 20kHz) >...

  • Page 10: Pc-Board Layout

    PC-Board Layout MAR1 Input / Output & Power Supply Board...
  • Page 11 PC-Board Layout MAR1 Power Amplifier Board...
  • Page 12 MAR1 BLOCK DIAGRAM...

  • Page 13: Schematic Diagram

    Schematic Diagram 1 MAR1 Power Amplifier Input / Output (MAR1 Input / Output & Power Supply Board)
  • Page 14 Schematic Diagram 2 MAR1 Power Amplifier Power Supply (MAR1 Input / Output & Power Supply Board)
  • Page 15 Schematic Diagram 3 MAR1 Power Amplifier ch1/2 Power AMP (MAR1 Power Amplifier Board)

  • Page 16: Parts List

    Parts List Schematic Diagram 1 MAR1 Power Amplifier Input / Output (MAR1 Input / Output & Power Supply Board) PHONIC Part # Description Ref. BD1, BD2 090-10000-000-0 SEMI, DIODE, BRIDGE, PB154 BD1, BD2 *2 322-05000-100-0 TUBE, 5mm*D1 C1, C2, C14, C15...
  • Page 17 R32, R53 000-12326-400-0 RES, CF, 1/4W, 10K, 5% 000-33306-400-0 RES, CF, 1/16W, 33K, 5% R36, R40 000-47306-400-0 RES, CF, 1/16W, 47K, 5% 000-18306-400-0 RES, CF, 1/16W, 18K, 5% R56, R59 000-18226-400-0 RES, CF, 1/4W, 1.8K, 5% 000-10106-400-0 RES, CF, 1/16W, 100, 5% R6, R7 000-82326-400-0 RES, CF, 1/4W, 82K, 5%...
  • Page 18 Parts List Schematic Diagram 2 MAR1 Power Amplifier Input / Output (MAR1 Input / Output & Power Supply Board) Ref. PHONIC Part # Description 090-10015-000-0 SEMI, DIODE, BRIDGE, KBL06 090-10013-000-0 SEMI, DIODE, BRIDGE, PUB605 058-68325-100-0 CAP, LINE, 250V, 0.068 £ gF, 20%, MEX-683K...
  • Page 19 Parts List Schematic Diagram 3 MAR1 Power Amplifier ch1/2 Power AMP (MAR1 Power Amplifier Board) PHONIC Part # Description Ref. C101 ,C126 042-47225-050-0 CAP, CERAMIC, TYPE2, 50V, 4700pF, 5% C102, C109, C122, C128 042-47144-050-0 CAP, CERAMIC, TYPE2, 100V, 470pF, 5%...
  • Page 20 SEMI, TRANSISTOR, PNP, 2N5401, GR TR112 121-00000-800-0 SEMI, TRANSISTOR, PNP, BC560 TR113, TR115 121-00006-200-0 SEMI, TRANSISTOR, PNP, TUP36 Parts List MAR1 Power Amplifier ch1/2 Power AMP (MAR1 Power Amplifier Board) PHONIC Part # Description Ref. POWER AMPLIFIER BOARD MAR1 F34-10000-001-0...
  • Page 21 MULTI, WIRE, UL, 1617#18, 350mm 379-10101-101-0 MULTY, WIRE, UL1015, #18, 100mm, BLK 379-10101-121-0 MULTY, WIRE, UL1015, #18, 100mm, RED 510-20660-000-0 PANEL, MAR1, PHONIC 516-20390-000-0 TOP, COV, MAR1, PHONIC 517-20460-000-0 BOTTOM, COVER, MAR1, PHONIC 525-20003-000-0 FEET, D20*10.4 527-11000-000-0 STRAN, RELIEF, BUSHING, 6W3-4, R 540-20090-000-0...
  • Page 22 631-60003-000-0 HEMECON, 10*360mm B34-34010-230-1 MAR1, PHONIC, AC, 120V, UL/CAS...
  • Page 23 Parts List Power Requirement Classification AC240V SAA FUSE5 280-3E216-001-0 FUSE, 3.15A, 250V, SSA, BEL5ST3.15 FUSE1-4 280-63267-000-0 FUSE, TSD6.3A, 250V, VDE/UL/CSES 370-12040-839-0 POWER, CORD, 10A, 250V, 2.5m, 3P, SAA 527-11000-000-0 STRAN, RELIEF, BUSHING, 6W3-4, R 619-06380-320-0 PLA, RIVET, ST-3L Parts List Power Requirement Classification AC240V SA FUSE1-4 280-3E216-001-0...

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