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Alto A200.2 DRAGONFLY Service Manual
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Alto A200.2 DRAGONFLY Service Manual

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MODEL: A200.2
www.altoproaudio.com
Version 1.0

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Summary of Contents for Alto A200.2 DRAGONFLY

  • Page 1 MODEL: A200.2 www.altoproaudio.com Version 1.0...

  • Page 2: Table Of Contents

    CONTENT 1. Introduction.....................1 2. Specification....................2 3. Schematic Diagram................3 4. Wiring Diagram..................9 5. Printed Circuit Board................10 6. Exploded View & Mechanical Parts List........14 7. Electrical Parts List................17...

  • Page 3: Introduction

    1. Introduction ˙ 1U 1/2 rack, stereo high power amplifier. ˙ Fantastic audio quality even with extremely high volume levels. ˙ Solid and durable, and can be mounted into a cabinet. ˙ User-controllable clip limiter. ˙ 2×120Watts on 4Ohms (EIAJ) ˙...

  • Page 4: Specification

    2. Specification MODEL A200.2 DRAGONFLY 20Hz 20KHz@0.1%THD, Stereo Mode 8 ohms per channel(EIAJ) 4 ohms per channel(EIAJ) 120W 4 ohms per channel(RMS) 60W (at THD 1%) FRONT: Power switch, CH1 & CH2 LEVEL knobs Controls -3dBu Input Sensitivity @4 ohms REAR: CH1 &...

  • Page 5: Schematic Diagram

    3. Schematic Diagram - 3 -...
  • Page 6 - 4 -...
  • Page 7 - 5 -...
  • Page 8 - 6 -...
  • Page 9 C26 56PF/50V CH1-OUT 56PF/50V R20 82K C17 100P/50V R5 10K 17.4K 22UF/50V 4558 4558 47UF/25V 22UF/50V 4558 CH1-IN 100P/50V CH1 GAIN VTL5C2 56PF/50V CH2-OUT 56PF/50V R19 82K C20 100P/50V R7 10K 17.4K 22UF/50V 4558 4558 47UF/25V 22UF/50V 4558 CH2-IN 100P/50 CH2 GAIN VTL5C2 +15V1...
  • Page 10 10N(NPO) CASE +25C C151 2N7 COG BOOT2 560P 560P 560P 0.01uF 10U/16V 470N MKT C111 IN1- 10N(NPO) 5K60 REL2 1N(NPO) IN1+ 100R REL1 ENA2 OUT2 5R60 5R60 SGND1 220N 47R 1/4W 5K60 ENA1 10U/16V TWKC-22UH VSTAB TWKC-22UH 47R 1/4W DIACUR POWUP -25C -25C...

  • Page 11: Wiring Diagram

    4. Wiring Diagram - 9 -...

  • Page 12: Printed Circuit Board

    5. Printed Circuit Board PCB: A200.2-PRE BOTTOM LAYER BOTTOM OVERLAY BOTTOM SOLDER PCB: A200.2-PRE TOP LAYER TOP OVERLAY TOP SOLDER - 10 -...
  • Page 13 PCB:A2-200IO BOTTOM LAYER BOTTOM OVERLAY BOTTOM SOLDER PCB:A2-200IO TOP LAYER TOP OVERLAY TOP SOLDER - 11 -...
  • Page 14 PCB:PSM-100W BOTTOM LAYER BOTTOM OVERLAY BOTTOM SOLDER PCB:PSM-100W TOP LAYER TOP OVERLAY TOP SOLDER - 12 -...
  • Page 15 PCB:D100W-2 BOTTOM LAVER BOTTOM LVERLAY BOTTOM SOLDER PCB:D100W-2 TOP LAVER TOP LVERLAY TOP SOLDER - 13 -...

  • Page 16: Exploded View & Mechanical Parts List

    6. Exploded View & Mechanical Parts List - 14 -...
  • Page 17 Part List Mechanical Parts List No. Item NO. Item Description Specification NI00498 self-adhesive cushion 12.7*7*6mm(SF-005) NI00360 plastic knob φ15*15mm NI03382 net-PU (black) A200.2 97*39*5_V1.0 φ5.5*W10*7.5 black NI01863 button-RS NI01862 button handle 5.5*5.5*12.8 MI02578 ZE-front panel-RS A200.2 right_V1.0 MI02580 ZD-fixed board-A200.2-08 A200.2 65*34*1.2_V1.0 MI02581 ZD-heat sink-A200.2-09...
  • Page 18 HC00008 3515 A TYPE(RF-2004-C-4.8) AC socket HA00861 power cord-RS LT-312+0.75*3C(H05VV-F) 6FT+LT-501 HK04126 K-PC board P-D100W-2-DIP(A200.2) HK06475 K-PC board P-A200.2 PRE HK06369 K-PC board P-PSM-100W-DIP HK04985 K-PC board P-A2-200IO - 16 -...

  • Page 19: Electrical Parts List

    16 MA00662 panel A200.2_V1.2 17 MJ00059 single light board 1.2*2135*1220 24.54kg 18 ME00184 iron pillar A200.2 M3*11.2*0.5PH*φ5.8_V1.0 19 MI02604 front board A200.2 DRAGONFLY left ALTO_V1.0 20 MI02577 front board A200.2 left 21 MI02576 front board A200.2 left_V1.1 22 MI03117 front board 6T*28*1M+5(1M/0.38KG)_V 1.0...
  • Page 20 73 NB03380 gift carton A200.2 ALTO_V1.0 74 NB03373 cushion A200.2_V1.0 75 NB03376 carton A200.2 ALTO_V1.1 76 NE11347 label ALTO PI 77 NH00334 cone paper 0.040*1m 78 NF00061 assurance card ALTO 79 NA00279 clip-chain bag 0.04t*100*150mm_V1.0 80 AD00012 twin adhesive 90*120mm_V1.0 81 ND00150 silicone sleeve φ12*150mm...
  • Page 21 No. Part No. Description Specification Remark 85 ND00026 silicone sleeve 100*20 86 ND00547 silicone sleeve φ4*150mm 87 ND00196 silicone sleeve φ4*1000mm 88 ME00015 color nut 3m/m 89 HK04985 PC board P-A2-200IO 90 HB01533 A2-200IO_VER050422 91 HC00077 connector(male) 3P 2.5mm 180° CN5,CN6 92 HC00078 connector(male) 4P 2.5mm 180°...
  • Page 22 No. Part No. Description Specification Remark 127 RD00249 5.60KΩ ±1% 1206 R2,R3,R26,R27 SMD precise resistor 1/4W 128 RD00417 27.0KΩ ±1% 1206 SMD precise resistor 1/4W 129 RD00429 5.60Ω ±1% 1206 R39,R40,R41,R42 SMD precise resistor 1/4W 130 RD00433 56.0KΩ ±1% 1206 SMD precise resistor 1/4W 131 SE00017 SMD Zener diode...
  • Page 23 No. Part No. Description Specification Remark 169 ND00175 silicone sleeve φ1*8mm 170 ND00171 silicone sleeve φ1*1000mm 171 NC00004 silicone insulator TO-3P3 22*28 square (big) Q12,Q17 172 NC00005 silicone insulator TO-220 square type D9,D10 173 MI00257 heat-sink 25*34.6*12*1.5 DX26 D9,D10 174 MG00167 screw M3*10 Q12,Q10,Q9,Q17 175 MF00037 washer...
  • Page 24 No. Part No. Description Specification Remark 211 RD00043 39KΩ ±5% 0805 SMD fixed resistor 1/8W 212 RD00027 4.7KΩ ±5% 0805 R15,R23 SMD fixed resistor 1/8W 213 RD00054 470KΩ ±5% 0805 SMD fixed resistor 1/8W 214 RD00046 56KΩ ±5% 0805 SMD fixed resistor 1/8W 215 SE00011 RLS4148 0.5A (LL-34) D4,D5,D7,D8,D12,D16,D19...
  • Page 25 No. Part No. Description Specification Remark R5,R6,R7,R8,R9,R10,R11,R12,R15, 253 RA00515 precise resistor 1/4W 10.0KΩ M type R16,R17,R18 254 RA00524 precise resistor 1/4W 15.0kΩ M type R1,R2,R3,R4 255 RA00528 precise resistor 1/4W 17.4KΩ M type R13,R14 256 RA01108 precise resistor 1/4W 82.0KΩ M type R19,R20 257 HK02231 Photodiode...