Akai HV1 Service Manual

Akai HV1 Service Manual

Harmony processing unit
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HARMONY PROCESSING UNIT
SERVICE MANUAL
1

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Table of Contents
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Summary of Contents for Akai HV1

  • Page 1 HARMONY PROCESSING UNIT SERVICE MANUAL...
  • Page 2: Safety Instructions

    SAFETY INSTRUCTIONS INFORMATIONS SYMBOLS FOR PRIMARY DESTINATION 1. Parts identified by the symbol are critical for safety. Replace them only with the parts number specified. Unit destinations are indicated with letters as shown below. 2. In addition to safety, other parts and assemblies are Symbols Principal Destinations specified for conformance with such regulations as those...
  • Page 3: Specifications

    SPECIFICATIONS Specifications Functions: Effect On/Off, PROGRAM A/B Select, BANK/KEY Up/Down Terminals: MIC INPUT (Input impedance: Effect On/4k ohms or more, Off/True Bypass) LINE INPUT (Input impedance: 33k ohms or more) MIC OUTPUT (Output impedance: Effect On/1k ohms or less, Off/True Bypass) MIX OUTPUT (Output impedance: 1k ohms or less) HARMONY OUTPUT (Output impedance: 470 ohms or less) DC IN (9 Volts)
  • Page 4: Supplementary Information

    II. SUPPLEMENTARY INFORMATION INITIAL SETTINGS PROCEDURE FOR HV1 Initial settings procedure for HV1. 1. While holding "ON/OFF" pedal 1 and "Program B" pedals 2 down, turn the unit on. 2. Holding pedals, turn the data knob 4 clockwise until 7-seg LEDs 3 change from flashing "--"...
  • Page 5: Principal Parts Location

    III. DISASSEMBL Y In case of trouble, etc., necessitating dismantling, please dismantle in the order shown in the illustrations. Reassemble in the reverse order. 1. Removal of the BOTTOM BLOCK ZS-393515J IV. PRINCIPAL PARTS LOCATION PC MAIN BLK PC OPE BLK PC MODE BLK PC ENCODER BLK SERVICE MANUAL...
  • Page 6: Parts List

    ES-349474 SW TACT SKHHAM004A [ EDIT SW ] SW102 ES-821283X SW SLIDE SSSU011700 PC (#) MAIN BLK HV1 CONSISTS OF FOLLOWING P.C. BOARDS. [ FOOT SW CONTROL ] VR101 EV-821284X VR ROTARY RK09L1140 A104 L=15 * PC MAIN BLK HV1...
  • Page 7 FINAL ASSEMBLY BLK SERVICE MANUAL...
  • Page 8 FINAL ASSEMBLY BLK 16 17 SERVICE MANUAL...
  • Page 9 4-7-3, KITA-YAMATA, TSYZUKI-KU, YOKOHAMA, JAPAN SERVICE SECT. PHONE : +81-45-914-8530 FAX : +81-45-914-8531 SERVICE MANUAL...
  • Page 10 IAD5 L-934SGD FOOT SW CTL HD74HC574FP HD74HC574FP IAD6. IAD6 C153 C154 EDIT DGND. DGND. IAD7. IAD7 1000P 1000P DGND. DGND. B10B-PH-K L8018A501B DUOBUDDY S C HE MATIC DIAG R AM P C OP E . AKAI professional M. I. Corp.

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