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akira HTS-696AS Service Manual

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Home Theatre System
Service Manual

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Summary of Contents for akira HTS-696AS

  • Page 1 Home Theatre System Service Manual...
  • Page 2 -2 - MODEL: HTS-696AS Model No.: HTS-696AS Version: 1.0...
  • Page 3 -3 - CONTENTS SPECIFICATION............................. 4 TYPICAL PROBLEMS & PROBLEM SHOOTINGS................5 CIRCUIT DIAGRAM ..........................11 EXPLODED VIEW & PART LIST......................19 Model No.: HTS-696AS Version: 1.0...

  • Page 4: Specification

    (Front speakers) 1200 (W) x 388 (D) x 285 (H) mm (Centre & surrounds) 808 (W) x 468 (D) x 223 (H) mm Output power: [2 x 80W] + [1 x 30W] + [2 x 20W] Model No.: HTS-696AS Version: 1.0...

  • Page 5: Typical Problems & Problem Shootings

    (40); Third, whether the initial reset voltage of pin (9) is added. If there are no problems from three issues mentioned above, most probably the program or CPU is stoke off. Try to replace with a new CPU. Model No.: HTS-696AS Version: 1.0...
  • Page 6 For this unit cannot detect the signal and there is no output if you choose one channel manually, so we can confirm that the problem is before electron volume including control circuit. Please refer to the following diagram chart: Model No.: HTS-696AS Version: 1.0...
  • Page 7 U001 and U701is (35) have the data pulse input detection and the MUTE output at open state. circuit CPU or its affiliated circuit is Check VH± and VL±to damaged. see if they are normal Model No.: HTS-696AS Version: 1.0...
  • Page 8 So you should place emphasis on checking if there is some apparatus in this channel, which has been punctured. Model No.: HTS-696AS Version: 1.0...
  • Page 9 Whether Q404 (55151) base is below 0.6v punctured Whether Q405 (5401) collector is low Q405 is punctured or the problem of amplifier’s over current protection level The machine circuit has no problems. The default is due to the CPU program Model No.: HTS-696AS Version: 1.0...
  • Page 10 Q403 ZD402 or VL power supply is in open state Whether Q701 (8050) is punctured Check the control part according to the check way and steps for Change Q701 (8050) there being no output Model No.: HTS-696AS Version: 1.0...

  • Page 11: Circuit Diagram

    -11 - CIRCUIT DIAGRAM CPU control part Model No.: HTS-696AS Version: 1.0...
  • Page 12 -12 - VFD control part Model No.: HTS-696AS Version: 1.0...
  • Page 13 -13 - Karaoke signal conduction part Model No.: HTS-696AS Version: 1.0...
  • Page 14 -14 - Power supply part Model No.: HTS-696AS Version: 1.0...
  • Page 15 -15 - Model No.: HTS-696AS Version: 1.0...
  • Page 16 -16 - Amplifier part Model No.: HTS-696AS Version: 1.0...
  • Page 17 -17 - Channel selection part Model No.: HTS-696AS Version: 1.0...
  • Page 18 -18 - Volume adjustment part Model No.: HTS-696AS Version: 1.0...

  • Page 19: Exploded View & Part List

    -19 - EXPLODED VIEW AND PART LIST Model No.: HTS-696AS Version: 1.0...