Harman Kardon Onyx Studio 7 Service Manual
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Harman Kardon Onyx Studio 7 Service Manual

Harman Kardon Onyx Studio 7 Service Manual

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TECHNICAL SPECIFICATIONS
• Bluetooth version: 4.2
• Support: A2DP 1.3, AVRCP 1.6
• Transducers: Woofer 1 x 120mm, Tweeter 2 x 25mm
• Rated Power: 1 x 50WRMS Bi-amp (AC mode)
• Frequency response: 50Hz - 20kHz (-6dB)
• Signal to noise ratio: 80dB A-weighted
• Power supply: 19V/2A
• Battery type: Lithium-ion (3.6V/3250mAh, 11.70Wh)
• Battery charge time: 5 hours
• Music playtime: up to 8 hours (Varies by volume level and music
content)
• Bluetooth transmitter power: < 9dBm (EIRP)
• Bluetooth transmitter frequency range: 2400-2483.5MHz
• Bluetooth transmitter modulation: GFSK, π/4 - DQPSK, 8DPSK
• Dimension (H x W x D): 268.00 X 302.50 X 159.50mm
• Weight: 3295g

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Summary of Contents for Harman Kardon Onyx Studio 7

  • Page 1 TECHNICAL SPECIFICATIONS • Bluetooth version: 4.2 • Support: A2DP 1.3, AVRCP 1.6 • Transducers: Woofer 1 x 120mm, Tweeter 2 x 25mm • Rated Power: 1 x 50WRMS Bi-amp (AC mode) • Frequency response: 50Hz - 20kHz (-6dB) • Signal to noise ratio: 80dB A-weighted •...

  • Page 2: Important Safety Instructions

    This device complies with Part 15 of the FCC Rules. Operation Cet appareil numérique de la classe B est conforme à la or repair, please contact your local Harman Kardon service is subject to the following two conditions: (1) This device norme NMB-003 du Canada.
  • Page 3 Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor "chip" components. The following techniques should be used to help reduce the incidence of component damage caused by static electricity. 1.

  • Page 4: Safety Precautions

    SAFETY PRECAUTIONS The following check should be performed for the continued protection of the customer and service technician. LEAKAGE CURRENT CHECK Measure leakage current to a known earth ground (water pipe, conduit, etc.) by connecting a leakage current tester between the earth ground and all exposed metal parts of the appliance (input/output terminals, screwheads, metal overlays, control shaft, etc.).
  • Page 5 Software upgrade Instruction& Reset Procedure 1. Connects to PC by UART on the power off mode ; 2. Open firmware update PC Tool “main.exe” ; 3. Config:firstly we need choose a right uart port for updating by Port config menu ; 4.

  • Page 6: Troubleshooting

    TROUBLE SHOOTING TROUBLE CHECKING POINTS BATTERY MAY BE DAMAGED MAIN BOARD MAY BE DAMAGED NO SOUND, NO WORKING WIRE CONNECT FAILED SPEAKER MAY BE DAMAGED KEY CONNECT WIRE FAILED KEY BOARD NO WORK KEY BOARD MAY BE DAMAGED MAIN BOARD MAY BE DAMAGED IO BOARD MAY BE DAMAGED IO CONNECT WIRE FAILED CAN NOT RECHARGE...
  • Page 7 Disassembly Instructions 1: Cut the sealing tape 2:Take out gift box 3: Open the gift box 4: Take out the product 5: Unclench grill fabric 6 hook upside 6: Unclench grill fabric 6 hook underneath...
  • Page 8 7 Remove 8 rubber plug 8 Remove Front Housing 14 screw 9 Remove Front Housing and J1 connector 10 Remove maibord 4 screw 11 Remove J2/J3/J8 connector 12 Remove Tweeter and Woofer connector...
  • Page 9 13 Remove battery box 3 screws 14 Remove battery box and Tweeter/Woofer 15 Remove the rubber button and Tweeter/Woofer 10 screws 16 Remove Key Board 17 Remove handle 2 screws and grill fabric 11screws 18 Remove handle and seal board...
  • Page 10 19 Remove real grill fabric 20 Remove I/O Board 2 screws and I/O 21 Remove I/O Board and I/O Bracket Bracket 2 screws 23 Remove battery 22 Remove battery box 4 screws...
  • Page 11 BLOCK DIAGRAM TPA3116 Aux-IN PBTL Audio detect woofer DC 30W 2ohm x1 PCM5121 BAT:15W BT module I2S out AK7755 BM20IKS L tweeter I2S (aux TWS) (with BES2000-IK chip) TPA3116 DC 4ohm 7.5W*2 BAT 3.75W*2 R tweeter 4ohm Buttons Power Button OP x3 Audio Signal: BA4510/TP2412...
  • Page 12 Wiring Diagram...
  • Page 13 Main Board SCH DC_IN_19V SK54BLF AMP_10V 5.1R C266 220pF R152 0603 0402 AMP_10V_19V C253 C252 10uF 10uF 100nF R195 100K C262 C193 270pF 220nF FOR AMP 0402 0603 0603 0402 0402 R333 0402 0402 430K R153 0402 5.1R 0603 AMP_10V R154 0402 R334...
  • Page 14 Main Board SCH BT_3V3 10% 0402 BLUE_KEY 0402 VOL_KEY+ BT_3V3 VOL_KEY- 10% 0402 PLAY/PAUSE_KEY AMP_MUTE BLUE_LED 0402 CTRL_10V 0402 Debug R121 100K CHR_4V7 0402 0402 0402 C138 R120 100nF 200K 0402 0402 BT_3V3 0402 0402 TP26 TP27 TP28 TP29 TP30 TP31 TP32 TP33...

  • Page 15: Audio Detect

    Main Board SCH DAC_3V3 VCC_3V3_DSP DAC_3V3 DAC PCM5121 2.2R 0603 C179 10uF 100nF 100nF 10uF DVDD CPVCC 0603 0402 0402 0603 2.2uF DGND CAPP NC/10K 0402 0402 LDOO CPGND DAC_MUTE R171 XSMT CAPM 0402 LOW MUTE 2.2uF ADR1 VNEG 0402 0402 I2S1_LRCLK LRCK...
  • Page 16 Main Board SCH OP_3V3_1 OP_BIAS_1 OP_BIAS_1 68pF R188 R116 R190 0402 100K AMP_TWEETER_L TP19 C148 2.2uF R183 R189 0402 0402 0402 0402 0402 0402 AMP_TWEETER_L C151 2.2uF C120 2.2uF R192 R197 470K AMP_OP_CORT 0402 0402 0402 0402 OP_BIAS_1 R185 0402 R198 1N4148WS 1N4148WS...
  • Page 17 Main Board SCH AMP_10V_19V R107 R104 3.3R C104 C122 0603 680NF 100nF 0603 100nF C101 0402 0805 0402 0402 NC/10K 330pF 0603 0402 MODSEL PVCC 0402 AMP_SD R213 PVCC 0402 C100 0402 220nF R111 FAULTZ BSPR 0402 0603 C105 C213 AMP_TWEETER_L C121 0603...
  • Page 18 Key Board SCH TP10 TP5 TP1 TP2 TP3 TP4 TP6 TP7 TP8 TP9 BLUE_KEY R207 POWER_KEY POWER_KEY 0402 VOL_KEY+ VOL_KEY- 0402 PLAY/PAUSE_KEY POWER_KEY WHITE_LED VOL_KEY+ RED_LED 0402 VOL_KEY+ 0402 VCC_3V3_BT 0402 VCC_3V3_BT VOL_KEY- 0402 VOL_KEY- 0402 PLAY/PAUSE_KEY PLAY/PAUSE_KE 10uF 0402 0603 0402 0402...
  • Page 19 IO Board SCH 5 SW AUX_PLUG_IN_DET 0402 4 SW 1K0.25A AUX_IN_R 1K0.25A AUX_IN_L AUX JACK 100pF 100pF 0402 0402 0402 0402 0402 0402 120R4A DC_IN_19V DC_IN_19V 120R4A TP10 TP11 TP12 TP13 R148 DC JACK 100K 100pF 0402 0402 0402 USB_DP 0402 USB_DN USB_5V...
  • Page 20 USB Board SCH USB_5V USB1 J1-1 B12 GND USB_DN J1-2 B9 VBUS USB_DP J1-3 USB_5V 0402 A5 CC1 J1-4 A6 D+1 J1-5 USB_DP 0402 A7 D-1 USB_DN 0402 B5 CC2 A9 VBUS A12 GND C219 0402 0402 0402 TYPE C 100nF 100pF 0402...

  • Page 29: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW 1，13 PAS02613001 FRONT GRILLE+REAR GRILLE ASSY BLK OS7 1，13 PAS02614001 FRONT GRILLE+REAR GRILLE ASSY GRY OS7 1，13 PAS02615001 FRONT GRILLE+REAR GRILLE ASSY BLU OS7 PAS02508001 METAL HANDLE CHARCOAL BLACK OS7 PAS02525001 METAL HANDLE WINTER GRAY OS7 PAS02533001 METAL HANDLE MARINE BLUE OS7 I - I...
  • Page 30 HK ONYX STUDIO 7 SPARE PARTS LIST V1.0 Pos. No. Part Number Description Usage UoM 1，13 PAS02613001 FRONT GRILLE+REAR GRILLE ASSY BLK OS7 1，13 PAS02614001 FRONT GRILLE+REAR GRILLE ASSY GRY OS7 1，13 PAS02615001 FRONT GRILLE+REAR GRILLE ASSY BLU OS7 PAS02512001 I/O BRACKET BLK OS7 PAS02528001 I/O BRACKET GRY OS7 PAS02536001 I/O BRACKET BLU OS7 PAS02504001...

  • Page 31: Revision List

    Revision List Version 1.0 * Initial Release For HK Onyx Studio 7 2020-12...

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