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JBL Quantum Duo, Service Manual

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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.

8500 Balboa Blvd.

Northridge, CA 91329

 

Summary of Contents for Quantum Duo

Page 1: ...trol USB and Aux in and headphone out connection SKU J BLQUANTUMDUOBLKAM JBLQUANTUMDUOBLKEU JBLQUANTUMDUOBLKAS JBLQUANTUMDUOBLKCN JBLQUANTUMDUOBLKJN JBLQUANTUMDUOBLKBR JBLQUANTUMDUOBLKIN Released by G...

Page 2: ...g 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 Kar...

Page 3: ...0 75 tweeter Rated power 20W RMS Frequency response 70 Hz 20 kHz Signal to noise ratio 80 dB Bluetooth transmitter power 10 dBm Bluetooth transmitter frequency range 2 402 2 480 GHz 2 4GHz SRD FREQUEN...

Page 4: ...ction of our Web site accessible from www jbl com Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital devic...

Page 5: ...System Installer This reminder is provided to call the CATV cable TV system installer s attention to article 820 40 of the NEC which provides guidelines for proper grounding and in particular specifi...

Page 6: ...y from children If you think batteries might have been swallowed or placed inside any part of the body seek immediate medical attention For All Products Except Those with Wireless Operation HARMAN Int...

Page 7: ...ts of the appliance input output terminals screwheads metal overlays control shaft etc Plug the AC line cord of the appliance directly into a 120V AC 60Hz outlet and turn the AC power switch on Any cu...

Page 8: ...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 Upgra...

Page 9: ...m Description Remark 1 Screw driver small 2 0 2 Screw driver Middle 3 0 3 Screw driver Big 4 0 4 knife type knife wrapped by tape 5 Electric screw driver 6 Soldering iron f35bf979 0689ae0c c1fb62d9 d5...

Page 10: ...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 4 3 Unscrew the 4 screws round the woof...

Page 11: ...emove 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 5 4 Unscrew the 4 screws remove the powe board Connect...

Page 12: ...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 Disassembly Second machine 1 Use tool to op...

Page 13: ...rew hole with a tool 4 4 Unscrew the 4 screws remove the woofer 4 5 Unscrew the 2 screws remove light guide plate 5 Disassembly the back shell 5 1 Unscrew the 6 screws remove inner shell 5 2 Unscrew t...

Page 14: ...ove 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 remov...

Page 15: ...SPDIF 10W 4 PMOS 3 3V Built in PSU 13V 2A AMP_13V LDO 1 25V FLASH 2MB SPI SPI 5V_ADC DC DC To DSP HP AMP ADC To flash touch LDO 3 8V 3V8_BT GPIO SPI I2C LED RGB 22 LED driver MXTX1306 LED driver MXTX...

Page 16: ...oard Light Guide LED board Speaker LED board Light Guide LED board Speaker LED control Board KEY Socket board PSU board Touch Board 4Pin 4Pin FPC 8Pin FPC 4Pin FPC 4Pin 12Pin FPC 9Pin FPC 9Pin FPC 9Pi...

Page 17: ...POWER_EN POWER_EN MOSFET Q6 LDO EN Amplifier Switching WAS4729QB HP JACK HP_SW DSP 3 3V DSP 3 3V MIC_IN DATA LRCK BCK DSP_UART1_TX RX LED_I2C LED_DET LED_EN AMP_SD AMP_I2C AMP_I2C KEY x2 LED Control...

Page 18: ...10 28 AUX IN USB IN To MAIN board CA1 100P50V CA2 100P50V FB2 100MHz 600R FB3 100MHz 600R TVS4 ESD9N5B 2 TR TVS5 ESD9N5B 2 TR TVS3 ESD9N5B 2 TR TVS1 ESD9N5B 2 TR TVS2 ESD9N5B 2 TR R1 0R C2 100P 50V C...

Page 19: ...dphone Volume LED To MAIN board Interface settings for headphones Standard CTIA OMTP 0R 0R NC NC R127 R193 R134 R194 0R 0R NC NC 1 A 2 C 3 B 4 GND 5 GND VT1 ENCODE_SMT R127 0R R134 NC R193 0R R194 NC...

Page 20: ...YangMJ D 2017 3 14 YMJ DATE ISS PROTOTYPE A3 REVISER CHANGE RECORDS V1 V2 V3 V4 V0 1 3 2 1 A To MAIN board key Part 2019 10 28 SW1 POWER SW2 BT SW3 LED MODE SW4 LED_COLOR_K1 SW5 LED_COLOR2_K2 1 2 3 4...

Page 21: ...nd Selector LED Brightness Touch key Touch key LED C43 1uF 16V C92 0 1uF 16V FB6 100MHz 102T R88 22R R89 22R k1 k2 1 2 3 4 5 6 7 8 9 10 11 12 CN9 10p 0 5mm fpc C178 NC C179 NC 1 PA5 KEY1 2 PA1 KEY2 3...

Page 22: ...5 6 7 8 9 10 11 12 CN19 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 CN11 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 CN15 1 2 3 4 CN24 D1_C6 D1_C5 D1_C4 D1_...

Page 23: ...V C94 0 1u16V C95 10u6 3V 1 VOUT 2 GND 3 VIN U4 LP3986 33B3F 350mA Q6 NTR4502PT1G Q5 3904 1 VOUT 2 GND 3 VIN 1U3 LP3995 50B3F LDO 200mA 5V SOT 23 3 C106 0 1uF 25V C107 0 1uF 16V C108 0 1uF 25V C109 0...

Page 24: ...EST 2 PDSW 1 GPIO_0 U3 CM6533 FB13 100MHz 600R FB21 100MHz 102T CD05 0 1uF 16V CD02 0 1UF 16V CD01 10uF 10V CD03 0 1UF 16V CD04 10UF 6 3V 1 VREF 2 AGND 3 VCC 4 VDD 5 DGND 6 SCKI 7 LRCK 8 BCK 9 DOUT 10...

Page 25: ...0K R96 10K R153 100 1 2 3 Q20 3904 R48 100R C171 100P C176 NC C69 10P 1 GND 2 RF 3 GND 4 GPIO37 UART_TX 5 GPIO36 UART_RX 6 GPIO35 7 GPIO34 8 KEY_P 9 KEY_SENSE 10 GND 11 RESET 12 PWR_KEY 13 VBAT 40 SPK...

Page 26: ...0 1u16V C162 10u6 3V C163 0 1u16V L13 100MHz 102T C3 0 1uF 16V R61 100R 25 AD 26 SDA 27 SCL 28 GND 29 VDD 30 CBP 31 INTN 32 HWEN 16 NC 15 NC 14 NC 13 VBAT 12 R12 11 R11 10 R10 9 R9 17 C6 18 C5 19 C4 2...

Page 27: ...22 DVDD 23 IOVSS 24 IOVDD 12 HPL 11 LDOIN 10 HPR 9 DMCLK MFP4 8 SDA MOSI 7 SCL SS 25 PGND U10 TLV320DAC3203 C31 0 1uF 16V C34 10uF 6 3V C66 0 1uF 25V C67 470uF 6 3V C68 470uF 6 3V C131 10uF 6 3V C132...

Page 28: ...1 3 2 1 A R L LONG LED Part LONG LED Board 2PC 2019 10 28 1G 2 B 3R 4 LED3 1G 2 B 3R 4 LED4 1G 2 B 3R 4 LED5 1G 2 B 3R 4 LED6 1G 2 B 3R 4 LED7 1G 2 B 3R 4 LED8 1G 2 B 3R 4 LED9 1G 2 B 3R 4 LED10 1G 2...

Page 29: ...V0 1 3 2 1 A 2019 10 28 R L SPK LED Part SPK LED Board 2PC 1 2 3 4 5 6 7 8 9 10 11 12 CN14 FPC 12P 0 5 V 1 G 2 B 3 R 4 LED13 1 G 2 B 3 R 4 LED14 1 G 2 B 3 R 4 LED15 1 G 2 B 3 R 4 LED16 1 G 2 B 3 R 4...

Page 30: ...NC 14 NC 13 VBAT 12 R12 11 R11 10 R10 9 R9 17 C6 18 C5 19 C4 20 C3 21 C2 22 C1 23 VBAT 24 CLKIO 8 R8 7 R7 6 R6 5 R5 4 R4 3 R3 2 R2 1 R1 33 PGND U18 AW20072 C126 0 1uF 16V C127 0 1uF 16V C146 10uF 6 3...

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Page 41: ...00143 31602141 TOUCH BRACKET SCREW CT2 6 8 TOUCH PANEL VR BOARD FRONT PANEL EVA TWITTER LED PANEL SCREW PWA 3 10mm DRIVER FRONT HOUSIG SCREW CT2 6 8 DRIVER FRAME LOGO B LOGO SCREW CT2 6 8 SOUND PIPE S...

Page 42: ...MINOR FRONT PANEL SCREW CT2 6 8 DRIVER FRAME LOGO SCREW PB 2 8 SOUND PIPE CONTROLLED PANEL MAIN BRACKET SCREW BB2 4 5 PANEL BRACKET MINOR SEALED COVER JACK PANEL SILICONE FEET SCREW PWA2 6 6 BALANCIN...

Page 43: ...602131 JACK BOARD QUANTUM DUO SLAVE EA 1 S15 31602144 CONTROL BOARD QUANTUM DUO2 SLAVE EA 1 M12 S8 81200682 TWEETER QUANTUM DUO EA 1 M13 S6 31602142 LED BOARD QUANTUM DUO EA 1 M15 S10 81200695 WOOFER...

Page 44: ...2900800 POWER CORD L1 5M AU PLUG QUANTUM DUO EA 1 42900801 POWER CORD L1 5M AM PLUG QUANTUM DUO EA 1 47102347 GIFT BOX EU QUANTUM DUO EA 1 47102462 GIFT BOX CN QUANTUM DUO EA 1 47102461 GIFT BOX AS QU...

Page 45: ...Revision List Version 1 0 Initial release 2019 12...

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