JBL QUANTUM DUO Service Manual

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QUANTUM DUO

2.0 Computer speaker with Bluetooth, on speaker lighting control,

USB and Aux in and headphone out connection

SKU:

J BLQUANTUMDUOBLKAM

JBLQUANTUMDUOBLKAS

JBLQUANTUMDUOBLKJN

JBLQUANTUMDUOBLKIN

Released by Global Quality

Service Manual

, JBLQUANTUMDUOBLKEU

, JBLQUANTUMDUOBLKCN,

, JBLQUANTUMDUOBLKBR

harman/kardon, Inc.

8500 Balboa Blvd.

Northridge, CA 91329

Ver. 1.0 Jul 2019

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Summary of Contents for JBL QUANTUM DUO

Page 1 Service Manual QUANTUM DUO 2.0 Computer speaker with Bluetooth, on speaker lighting control, USB and Aux in and headphone out connection SKU: J BLQUANTUMDUOBLKAM , JBLQUANTUMDUOBLKEU JBLQUANTUMDUOBLKAS , JBLQUANTUMDUOBLKCN, JBLQUANTUMDUOBLKJN , JBLQUANTUMDUOBLKBR JBLQUANTUMDUOBLKIN Released by Global Quality Ver. 1.0 Jul 2019 harman/kardon, Inc.
Page 2: Table Of Contents
Contents 1. Technical Specifications 2. Safety Instruction, Warning & Notes 3. Software upgrade Instruction 4. Disassembly instruction 5. Block diagram 6. Wiring Diagram 7. Mechanical Exploded View 8. Spare Parts List 9. Revision List Released by Global Quality SL Harman/Kardon, Inc.
Page 3: Technical Specifications
1.Technical Specifications Model Name Quantum Duo Bluetooth version: Support: A2DP V1.3, AVRCP V1.6 2x2.5" woofer+2x0.75” tweeter Transducer: Rated power: 20W RMS Frequency response: 70 Hz - 20 kHz Signal-to-noise ratio: >80 dB ≤10 dBm Bluetooth transmitter power: 2.402 – 2.480 GHz Bluetooth transmitter frequency range: 2.407 –...
Page 4: Safety Instruction, Warning & Notes
The declaration of conformity may be consulted in the support section of our Web site,accessible from www.jbl.com 11.Unplug this apparatus during lighting storms or when unused for long periods of time.
Page 5 NOT STARE INTO THE LASER BEAM. To ensure proper use of this product, please read the owner's manual carefully and retain it for future use. Should the unit require maintenance or repair. Please contact your local JBL service center.Refer servicing to qualified personnel only.
Page 6 For All Products with Wireless Operation www.jbl.com HARMAN International hereby declares that this equipment is in compliance with the essential requirements and other relevant provisions of Directive 2014/53/EU. The declaration of Conformity maybe consulted in the support section of our Web site accessible from www.jbl.com...
Page 7 f35bf979-0689ae0c-c1fb62d9-d5730b77 f35bf979-0689ae0c-c1fb62d9-d5730b77 f35bf979-0689ae0c-c1fb62d9-d5730b77 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 8: Software Upgrade Instruction
3.Software upgrade Instruction 3.1 Open the speaker and connect the 3.2 Double-click to upgrade software. 3.2 Pop up the window and click "Yes". computer to the host with a USB cable. 3.3 Pop up the window and click "Start", Start To upgrade. 3.4 Upgrade is completed, computer pops up the window.
Page 9 f35bf979-0689ae0c-c1fb62d9-d5730b77 f35bf979-0689ae0c-c1fb62d9-d5730b77 4.Disassembled Instruction Tool List Item Description Remark Screw driver (small) Screw driver (Middle) Screw driver (Big) knife “-“type knife, wrapped by tape Electric screw driver Soldering iron...
Page 10: Disassembly Instruction
Disassembly instruction (main unit) Disassembly main machine 1.Use tool to open the front-panel 2. Unscrew the 8 screws on the front shell 3. Separate the rear shell from the front shell by hand 4. Disassembly the front shell 4.1 Unscrew the 3 screws, remove the tweeter. 4.2 Unscrew the 4 screws, remove adapter plate.
Page 11 4.7 Unscrew the 4 screws, remove touch button holder and plate. 4.8 Unscrew the 4 screws, remove knob button holder and plate. 5. Disassembly the back shell 5.1 Unscrew the 6 screws, remove inner shell. 5.2 Unscrew the 4 screws, remove Mechanical key circuit board and mechanical key. 5.3 Unscrew the 4 screws, remove the main board.
Page 12 5.5 Unscrew the 3 screws, remove the duct mouth. 5.6 Unscrew the 8 screws on both sides of the inner shell and at the end of the duct, remove the duct. 5.7 Unscrew a screw, remove the light guide plate. 5.8 Unscrew the 3 screws, remove the light guide USB board and power socket.
Page 13 4. Disassembly the front shell 4.1 Unscrew the 3 screws, remove the tweeter. 4.2 Unscrew the 4 screws round the woofer. 4.3 Push the guide ring out of the screw hole with a tool. 4.4 Unscrew the 4 screws, remove the woofer . 4.5 Unscrew the 2 screws, remove light guide plate .
Page 14 5.3 Unscrew the 3 screws, remove the duct mouth. 5.4 Unscrew the 8 screws on both sides of the inner shell and at the end of the duct, remove the duct. 5.5 Unscrew a screws, remove the light guide plate. 5.6 Unscrew the 3 screws, remove the light guide USB board...
Page 15: Block Diagram
5.Block diagram MIC_IN AUX IN PCM1808 Headphone BT Module Amplifier Headphone BM20L TLV320DAC320 FLASH MIC_IN WOOFER TWEETER UART SPDIF decoder CM6533 DP/DM USB sound card 10W/4Ω SPDIF 10W/4Ω SPDIF SPDIF and upgrade R-channel DSP+MCU Amplifier SPHE8107-P SPHE8108 TAS5760L Power/Bluetooth GPIO /LED 10W/4Ω...
Page 16: Wiring Diagram
6.Wiring Diagram /Layout Diagram Left Speaker Right Speaker 4Pin 4Pin Socket Key board board FPC 4Pin FPC 8Pin FPC 9Pin FPC 9Pin LED board(Light Guide) LED board(Light Guide) 12Pin Connect Board Main Board FPC 9Pin FPC 9Pin LED board(Speaker) LED board(Speaker) 2Pin FPC 9Pin FPC 4Pin LED control Board PSU board Touch Board (KEY)
Page 17 USB+5V DP/DM Micro USB Antennas RGB LED*40 XTAL 26MHz MCU+3.3V BT_Module MIC_IN MIC_IN LED5V_EN USB_UART0_TX/RX USB DECODER BM20L DSP+3.3V HP-I_DET LED+5V CM6533 VOLUME +5VDD 6533_I2C &INT MIC_DET MOSFET SPDIF HP-JACK LED Drive Headphone AMP_I2C KEY x3 AW20072 *2 Amplifier key1 Switching Switching DATA/LRCK/BCK...
Page 18 AUX_L R126 AUX_R 100MHz/600R 100MHz/600R AUX IN AUX_GND GND2 AUX-L AUX-R AUX_DET To MAIN board GND3 USB_DM USB_DP VBUS FFC/8P/0.5 FPC_8_0.5 MICRO_USB3G USB IN MODEL:B-2080 SCALE: FREE Gaming Speaker TITLE:Schematic REV: V1.0 SHEET: 1/13 Part NO:N/A APPROVAL CHECKED DESIGN Yingbo.Li YangMJ HuangHua V0.1...
Page 19 Volume Control HP-IN_DET ENCODE_SMT HP_LO HP_RO MIC_IN 5 GND VOL+ VOL- D1_C4 D1_C3 VOL+ D1_R2 D1_R1 VOL- To MAIN board D1_R3 C203 C204 PJ-A350IBK01 HP_RO D1_C4 HP-IN_DET LED21 R194 HP_LO Headphone R134 D1_R1 MIC_IN D1_R2 D1_C3 R127 D1_R3 LED22 Interface settings for headphones Standard R127 R193...
Page 20 POWER PWR_KEY LED MODE BT_KEY LED_MODE_KEY LED_COLOR_KEY1 LED_COLOR_KEY2 To MAIN board LED_COLOR_K1 C216 100PF/50V C199 LED_COLOR2_K2 100PF/50V key Part MODEL:B-2080 SCALE: FREE Gaming Speaker TITLE:Schematic REV: V1.0 SHEET: 3/13 Part NO:N/A APPROVAL CHECKED DESIGN Yingbo.Li YangMJ HuangHua V0.1 PROTOTYPE-A3 2017.3.14 2019.10.28 2019.10.26 CHANGE RECORDS...
Page 21 Touch key 100MHz/102T 1uF/16V 0.1uF/16V PA5/KEY1 GND1 Sound Selector LED Brightness PA1/KEY2 C179 C178 PA3/KEY3 PA2/CTPB/SDA/ICPCK PA4/KEY4 PA0/CTCK/INT/SCL/ICPDA MXTX04C 10p/0.5mm -fpc R206 MCU+3.3V D1_C1 D1_C2 TOUCH_SDA TOUCH_SCL R259 D1_C1 D1_C2 D1_R2 D1_R1 D1_R3 Touch key LED D1_R2 D1_R3 D1_R1 MODEL:B-2080 SCALE: FREE Gaming Speaker TITLE:Schematic...
Page 22 +3.3V HP-IN_DET TOUCH_SDA VOL+ TOUCH_SCL VOL- TOUCH_INT TOUCH_SDA TOUCH_INT TOUCH_SCL CN11 D1_C1 D1_C1 D1_C2 CN19 D1_C2 D1_C3 D1_R2 D1_C4 D1_C5 D1_R1 D1_C6 D1_R12 D1_R3 D1_R11 D1_R10 To MAIN Board D1_R9 D1_R8 D1_R7 D1_R3 D1_R2 D1_R1 +3.3V To TOUCH Board D1_C6 D1_C5 D1_C4 CN18...
Page 23 DC13V_IN LP3995-50B3F LDO 200mA 5V SOT-23-3 ADC+5V VOUT DC13V_IN IN+13V C109 C107 C106 C108 FB17 10uF/6.3V R199 R243 0.1uF/25V NTR4502PT1G POP_MUTE FB30/6A 4148 4148 100R R181 3906 47uF/16V P-EN C213 330uF/25V DC-IN 0.1uF/25V VDD5V POWER_EN 3904 PGND PGND 100K C111 VDD5V 1000pF/50V To LED...
Page 24 AUX IN ADC AUX_R AUX DET PART 4.7uF/6.3V AUX_L 10uF/25V MCU+3.3V 4.7uF/6.3V 100MHz/600R C130 Input impedance 60kohm 0.1uF/16V C129 CD05 10uF/6.3V VREF VINR AUX-SENS 0.1uF/16V DQ13 AGND VINL RA15 ADC+5V FBA2 CA20 BAT54C DSP+3.3V 100MHz/600R AUX_R CD01 1UF/10V FBA1 100MHz/600R CA21 CD02 10uF/10V...
Page 25 100MHz/600R MCU+3.3V R239 8 VDD MCU+3.3V 7 HOLD RL01 4 G3 R261 6 SCK FEED R260 4.7K 5 SI TOUCH_INT C102 C125 0.1u16V MXTX04C_INT ANT1 SPK_RP KH25L3206E TH-SCL J-MS-156 SPK_RN ACA-5036-A3-CC-S 100R TOUCH_SCL LED_COLOR_KEY1 SPK_LP 100R R162 VOL- TOUCH_SDA R164 GPIO37/UART_TX SPK_LN BT_UART_TX...
Page 26 D1-C1 D1-C3 D1-C6 D1-C5 D1-C2 D1-C4 100MHz/600R R240 8 VDD DSP+3.3V D1_C1 R103 7 HOLD C165 R105 VDD5V 6 SCK R104 100MHz/102T 0.1uF/16V D1_C2 DSP+3.3V R106 C100 C128 5 SI D1_C3 100P C105 R121 0.1u16V D1_C4 25L1606EM1I-12G D1_C5 0.1uF/25V R177 R179 4.7K D1_C6...
Page 27 1.8V LP3986-18B3F 350mA 1.8V 1.8V DSP+3.3V VDD3V3 VOUT DSP+3.3V C136 LED-SDA LED-SCL 5V 0.1uF/16V To Left_SPK DSP+3.3V 100MHz/600R 10uF/6.3V SPK_L- HP_RST Headphone AMP DSP+3.3V LED_I2C_SDA LED_I2C_SCL FB25 VDD5V R82 47R AMP_I2S_MCK C131 100MHz/102T MCLK MICBIAS LED-EN R83 47R 10uF/6.3V LED-DET AMP_I2S_BCK BCLK C139...
Page 28 R/L LONG LED Part D1_C6 CN12 D1_C5 D1_C4 D1_C6 D1_C5 D1_C4 D1_C3 D1_C4 D1_C3 D1_C2 D1_C1 D1_R9 D1_R8 D1_R7 D1_C3 D1_C2 D1_R6 D1_R5 D1_R4 D1_R9 D1_C2 D1_C1 D1_R8 D1_R7 D1_R6 D1_R5 D1_C1 D1_R4 LONG LED Board *2PC MODEL:B-2080 SCALE: FREE Gaming Speaker TITLE:Schematic REV: V1.0...
Page 29 R/L SPK LED Part D1_C6 D1_C6 LED13 LED15 CN14 FPC-12P/0.5-V D1_R7 D1_C5 D1_R8 D1_C5 D1_C6 D1_R9 LED14 LED16 D1_C5 D1_C4 D1_C3 D1_C2 D1_C4 D1_C1 D1_R12 LED17 D1_R11 D1_R10 D1_C3 D1_R9 D1_R8 LED18 D1_R7 D1_C2 LED19 D1_R10 D1_R11 D1_C1 D1_R12 LED20 SPK LED Board *2PC MODEL:B-2080 SCALE: FREE...
Page 30 D2_C1 C127 SPK_L 100MHz/102T 0.1uF/16V D2_C2 SPK_L- D2_C3 SPK_L+ LED-3.3V R214 VDD5V VOUT D2_C4 100MHz/102T D2_C5 CN22 D2_C6 R217 220uF/10V 10uF/6.3V R209 LED_I2C_SDA 100R C146 R208 LED_I2C_SCL 100R PGND 0.1uF/16V VBAT C126 R218 D2_R12 1uF/10V R219 D2_R11 C190 R220 D2_R10 CN23 INTN VDD5V...
Page 41 JBL-PC片 45500567 SCREW PWB2*6 45300143 RGB PANEL 31602141 45701214 SOUND PIPE COVER 31103641 SCREW CT2.6*8 45300291 45701215 SCREW PA2*8 45300066 SILICONE FEET 45901390 SEALED COVER 31103638 JACK PANEL 31602132 SPEAKER CABLE 42001077 PANEL BRACKET 45200835 SCREW BB2*4.5 45300201 AC SOCKET...
Page 42 JBL-PC片 45500567 SCREW BA2.6*10 45300205 SCREW PWB2*6 45300143 RGB PANEL 31602141 SOUND PIPE 31200939 BALANCING WEIGHT 45200908 SCREW PWA2.6*6 45300147 SCREW CT2.6*8 45300291 MINOR SEALED COVER 31103639 SCREW PB 2*8 45300061 JACK PANEL 31602131 PANEL BRACKET 45200835 SCREW BB2*4.5 45300201...
Page 43 31103641 PORT TUBE COVER QUANTUM DUO M50/S31 31602141 RGB BOARD QUANTUM DUO 42001082 2P CABLE 200MM 2P VHR QUANTUM DUO 42001160 2P CABLE L130MM VHR QUANTUM DUO 42001098 FFC L150MM 2P 18AWG QUANTUM DUO1 42001195 FFC L180MM 4P 28AWG QUANTUM DUO1 42001112 FFC L100MM WHT 28P NO“1”...
Page 44 42900795 POWER CORD L1.5M TH PLUG QUANTUM DUO 42900800 POWER CORD L1.5M AU PLUG QUANTUM DUO 42900801 POWER CORD L1.5M AM PLUG QUANTUM DUO 47102347 GIFT BOX EU QUANTUM DUO 47102462 GIFT BOX CN QUANTUM DUO 47102461 GIFT BOX AS QUANTUM DUO...
Page 45: Revision List
Revision List Version 1.0 * Initial release. 2019-12...

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