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akira HTS-551DVD Service Manual

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Home Theatre System
Service Manual

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Summary of Contents for akira HTS-551DVD

  • Page 1 Home Theatre System Service Manual...
  • Page 2 -2 - MODEL: HTS-551DVD Model No.: HTS-551DVD Version: 1.0...
  • Page 3 -3 - CONTENTS SPECIFICATION............................. 4 CIRCUIT DIAGRAM ..........................5 EXPLODED VIEW..........................17 PART LIST ............................. 18 Model No.: HTS-551DVD Version: 1.0...

  • Page 4: Specification

    With DSP (Sound field control) & karaoke function AM /FM radio With card reader Front speaker: 15W x 4 Surround speaker: 30W centre Center speaker: 30W subwoofer Total output power: 120W [RMS] Optional: USB Specification subject to change without prior notice. Model No.: HTS-551DVD Version: 1.0...

  • Page 5: Circuit Diagram

    +3AVAA 220UF16V JST-CON4-2.54mm 100UF16V 39PF 39PF VGND AGND R232 7mA/1mA TP36 TGND 24mA AVCC12 P+12V AA-12V R233 EC44 EC45 100UF16V 100UF16V R234 P-12V A-12V AGND C146 0.1uF 100uF/16V TVCC12 AGND EC46 BC67 100UF16V 0.1UF TGND Model No.: HTS-551DVD Version: 1.0...
  • Page 6 10UH PUH_DVDLD TP21 LDSW 10UF16V R210 100 TP23 TP24 RESET_B TP22 CDVR DVDMDI PUH_DVDLD# TP25 DVDLD BC45 A+5V RFGND CD_VR R214 0.1UF TP26 2N3904(SOT-23) 0.1UF TP27 TP28 1N4148(SMT) C138 PUH_CDLD# DVD_VR# RFGND CDLD DVD_VR RFGND Model No.: HTS-551DVD Version: 1.0...
  • Page 7 VCCQ SD_VCC3 VCCQ VCCQ VSSQ VSSQ VSSQ VSSQ EC25 VSSQ VSSQ VSSQ VSSQ BC22 BC23 BC24 BC25 100UF16V 0.1UF 0.1UF 0.1UF 0.1UF SDRAM 16M-6(512Kx16x2) SDRAM 16M-6(512Kx16x2) SD_VCC3 BC18 BC19 BC20 BC21 0.1UF 0.1UF 0.1UF 0.1UF Model No.: HTS-551DVD Version: 1.0...
  • Page 8 BC14 Vcc2 0.1UF 0.1UF EC24 AT5660 100UF16V MGND MGND Motor Driver Parameter MGND R161 R163 R166 R149 R150 R155 R156 R157 R152 R142 R144 R143 R146 R151 R153 R158 AT5660 330p 330p AM5668 AM5888 4.7K Model No.: HTS-551DVD Version: 1.0...
  • Page 9 R137 R138 75(1/4W) 10PF 75(1/4W) 10PF 10PF 75(1/4W) R/V_O G/Y_O B/U_O G/Y_O B/U_O R/V_O 100PF 100PF 8550( SOT-23 100mA) 8550( SOT-23 100mA) 8550( SOT-23 100mA) 100PF 100PF 100PF 100PF VGND VGND VGND VGND VGND VGND Model No.: HTS-551DVD Version: 1.0...
  • Page 10 0.1uF AGND AGND R120 39K AGND AGND 100PF AC_C AC_C A-12V R121 EC20 R122 10K EC21 R123 10UF16V MixR 10UF16V U10B R124 R125 MixR MixL NJM4558 MixL 820PF AVCC12 47PF 2N3904(SOT-23) AGND AGND AGND AGND Model No.: HTS-551DVD Version: 1.0...
  • Page 11 220R MAIN_L# MAIN_L 220R MAIN_R# MAIN_R 220R LFE## LFE# 1000pF 1000pF 1000pF AGND LFE GENERATE A-12V MixR 0.1uF MixR MixL MixL AGND 150nF 4558 4558 56nF LFE# LFE# 0.1uF AGND AGND AGND AVCC12 0.1uF AGND Model No.: HTS-551DVD Version: 1.0...
  • Page 12 5.1V 47U16V 47U16V VSS1 VSS2 TUNER_ON TUNER_ON VSS3 4.332MHz 0.1uF 9014(SMD) PT2579/BU1923 560pF 0.1uF 82pF TGND TGND 2.2uF/16V 47uF/16V TGND TGND CN11 OPEN TGND 100R TGND TLOUT TLOUT TROUT TROUT +12VT TO TUNER PCB TGND Model No.: HTS-551DVD Version: 1.0...
  • Page 13 G/Y_O B/U_O SCART SWITCH P+12V SCART_SIG CON8 SCART_SIG SCART AND Video out change the position 750R and valueof R11 2N3904 1,4,6 P+5V SCART_SWITCH 2N3904 2N3904 RGB_SW 4.7K 4.7K VGND RGB_SW 4:3----0,0-----[9.5,12] CVBS----1------>0 16:9--1,0-----[4.5,7.0] RGB------0------>1 TV-----?,1-----[0,2] Model No.: HTS-551DVD Version: 1.0...
  • Page 14 10UF AD_INL SCART_INR R249 1K AUIN1_R R250 1K AUIN2_R R251 1K TUNER-R_IN R252 1K AD_INR AUX1 AUIN_SL0 AUIN_SL1 AUX2 R254 10UF 4.7K TUNER 100P 100P R253 4.7K SCART IN 74HC4052 AGND AGND AGND AGND +5AVAA Model No.: HTS-551DVD Version: 1.0...
  • Page 15 When replacement parts are required,be sure the service technician has used replacement parts specified by he manufacturer or have the same characteristics as the original parts. Unauthorized substitutions may result in fire,electric shock,or other hazards. Model No.: HTS-551DVD Version: 1.0...
  • Page 16 R265 R115 R114 R107 R108 220U 220U R110 C113 C443 +VCC C117 R264 R263 470u/35V +VCC C442 U13 78L05 VI VO R492 8550 R452 1K/3W MUTE R116 R232 4148 MUTE1 R243 MUTE 8050 C150 0.1U/50V Model No.: HTS-551DVD Version: 1.0...

  • Page 17: Exploded View

    -17 - EXPLODED VIEW Model No.: HTS-551DVD Version: 1.0...

  • Page 18: Part List

    -18 - PART LIST Part Name Ornament loop Volume knob USB cover Mirror CD-door CD door mirror Power key Front panel Loader Decode board Tuner Amplifier board Back panel Heat sink Bottom Front control board Model No.: HTS-551DVD Version: 1.0...