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akira HTS-999-311 Service Manual
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akira HTS-999-311 Service Manual

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Summary of Contents for akira HTS-999-311

  • Page 1 Home Theatre System Service Manual...
  • Page 2 -2 - MODEL: HTS-999-311 Model No.: HTS-999-311 Version: 1.0...

  • Page 3: Table Of Contents

    -3 - CONTENTS SAFE OPERATION ..........................4 TROUBLE SHOOTING .......................... 5 FRONT PANEL CONTROL DIAGRAM....................9 AMPLIFIER DIAGRAM ........................10 CIRCUIT DIAGRAM ..........................11 Model No.: HTS-999-311 Version: 1.0...

  • Page 4: Safe Operation

    Be sure to connect to a correct voltage, which is AC240V 50Hz/60Hz If you are not sure of the power supply to your home, please consult your local AKIRA dealer or the local power provider ( It is AC 120V/240V 50Hz/60Hz optional ).

  • Page 5: Trouble Shooting

    Check the power 24V/6V b. Check the VFD display DVD no output Check power +5V Check CD4053/4052 Amplifier with one channel output a. Check the signal input b. Check amplifier circuit c. Check protecting circuit Model No.: HTS-999-311 Version: 1.0...
  • Page 6 -6 - Output distortion Check signal input Check power +40V Check amplifier circuit Check protecting circuit Model No.: HTS-999-311 Version: 1.0...
  • Page 7 Testing whether the power from transformer to the front panel controller is natural, AC22V and AC6V. Solution : Change new parts instead of the damage parts. After repairing, momently power on, observing whether the VFD is abnormity. Model No.: HTS-999-311 Version: 1.0...
  • Page 8 If the 40W bulb suddenly shinny, then dinginess slowly (It indicates that the player is work normally). If the bulb is shinny all the way, then there is still some short circuit on the PBC, please recheck there is any other damage parts). Model No.: HTS-999-311 Version: 1.0...

  • Page 9: Front Panel Control Diagram

    -9 - FRONT PANEL CONTROL DIAGRAM Model No.: HTS-999-311 Version: 1.0...

  • Page 10: Amplifier Diagram

    -10 - AMPLIFIER DIAGRAM Model No.: HTS-999-311 Version: 1.0...

  • Page 11: Circuit Diagram

    +40V AV6-8.4-7 B100K PT2253 AUDIO 4558 L out 100P L in 5551 100P 5551 5551 R in R out 1488 4558 5401 4148 5WR25 10uH SPEAKER B100K 4148 4052 Name R CHANNEL 100P AV6-8.4-7 AC-3 9014 1488 9014 100P 5401 100U 1K 10K 100K...