RQU-VT-201BTower Music Player With Active Sub-woofer

Goldsound Electronic Limited

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Application Details

Equipment Class: DXX - Part 15 Low Power Communication Device Transmitter
Date of Grant: Apr 24, 2013
Application Purpose: Original Equipment
Date of Application: Apr 24, 2013
Equipment Note: Tower Music Player With Active Sub-woofer
Frequency Range: 2402.00000000 - 2480.00000000
Company: Goldsound Electronic Limited
Country: Hong Kong

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

VERTICAL CD/MP3 MUSIC TOWER WITH MOBILE CELL PHONE HOLDER VT-201B INSTRUCTION MANUAL WARNING TO PREVENT FIRE OR SHOCK HAZARD, DO NOT USE THIS PLUG WITH AN EXTENSION CORD, RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE. TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. IMPORTANT SAFETY INSTRUCTIONS 1. Read these instructions 2. Keep these instructions 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water. 6. Clean only with dry cloth. 7. Do not block any ventilation openings. Install in accordance with these instructions. 8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. 9. Do not defeat the safety purpose of the polarized or grounding - type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. When the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet. 10. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus. 11. Only use attachments / accessories specified by the manufacturer. 12. Use only with a cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over. 13. Unplug this apparatus during lightning storms or when unused for long periods of time. 14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped. Battery Precautions  Replacement of batteries must be done by an adult.  Do not mix old and new batteries.  Do not mix alkaline, standard (carbon-zinc) or rechargeable (nickel-cadmium) batteries.  The supply terminals are not to be short-circuited.  Non-rechargeable batteries are not to be recharged.  Exhausted batteries are to be removed.  Only batteries of the equivalent type are to be used.  Batteries are to be inserted with the correct polarity.  Dispose of batteries properly. Do not dispose of batteries in fire. The batteries may explode or leak. 15. This appliance shall not be exposed to dripping or splashing water and that no object filled with liquids such as vases shall be placed on the apparatus. 16. Mains plug is used as disconnect device and it should remain readily operable during intended use. In order to disconnect the apparatus from the mains completely, the mains plug should be disconnected form the mains socket outlet completely. 17. Battery shall not be exposed to excessive heat such as sunshine, fire or the like. 18. Do not overload wall outlet. Use only power source as indicated. 19. Do not attempt to dismantle, open or repair this product yourself. If a fault occurs, seek advice from your local qualified service technician or contact the distributor via the telephone number at the back of this instruction manual. 20. Caution marking and nameplate are located on back of product. BATTERY INSTALLATION The battery compartment is located on the back of the remote control. 1. Remove the battery compartment door by pressing in on the tab and lifting it off. 2. Insert two (2) AAA size batteries (not included) into the battery compartment following the polarity markings inside the battery compartment. 3. Replace the battery compartment door. 4. FCC Statement: LOCATION OF CONTROLS 1) CD door 2) LCD display 3) Volume up/down button 4) CD door open/close button 5) Preset EQ 6) Alarm button 7) Play mode button 8) 3.5mm stereo headphone jack 9) Stop / Mono button 10) Skip / tuning up /down button 11) Aux 1 in 3.5mm plug 12) Cell phone holder 13) Sub-woofer On/Off button/ Indicator 14) Main unit On/Off button 15) Function button 16) Memory/Clock adjust button 17) Folder/Pre-up button 18) Play Button 19) Remote sensor 20) Bluetooth indicator 21) Aux 2 in jack 22) Speaker out jack 23) FM antenna 24) Sub-woofer out jack 25) Main unit AC cord 26) Sub-Woofer volume control 27) Sub-woofer AC cord 28) Sub-woofer in jack 29) AC Socket Caution : Usage of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. This unit should not be adjusted or repaired by anyone except qualified service personnel. Important: Since movement of the CD mechanism and the sensitive circuitry may cause interference to the radio tuner nearby, switch this unit off while operating other radio devices. Precautions for use installation  Unpack all parts and remove protective material.  Do not connect the unit to the mains before checking the main voltage and before all other connections have been made.  Do not cover any vents and make sure that there is a space of several centimeters around the unit for ventilation. Quick guide connection Please follow the following steps and procedures to set up your music tower I) Main unit + sun-woofer connection 1 1) Place the main unit vertically down to the sub-woofer top as show on picture 2) Pull the main unit backward unit the bracket hook up & tightly as show on picture . 3) Try to lift up the whole system and check whether the main unit & sub-woofer are being combined tightly. II) Wire connection 1) Connect the end of the speaker cable(RCA plug) to the speaker out jack (red & white head) (22) at the back of main unit, another Terminal connect to the speaker clip of the Speaker box back side (red color of speaker Cable to red color of speaker clip). 2) Connect one end of…

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Block Diagram

Cryst PDF !"# "pdfFactory Pro" $#%&'(www.fineprint.cn Preliminary Datasheet IS1681S Version: 0.96 - 5 - 9/26/2011 3. Functional Diagram BT EDR Transceiver CPU Audio Engine Audio Codec IO RAM ROM Clock PMU Key EEPROM UART Adaptor LED Speaker Mic System Power Li-ion Battery

Cover Letter(s)

GOLDSOUND ELECTRONIC LTD. Room 13, 3/F., Tel. : (852) 2191 2681 Hewlett Cent re , Fax.: (852) 2191 3781 54 Hoi Yuen Road, Kwun Tong, e-mail : [email protected] Hong Kong "I, an officer of Goldsound Electronic Limited do hereby authorize Intertek Testing Services (Mr. Terry Chan) to act on our behalf in front of the Federal Communications Commission with respect to all matters relating to certification of equipment under Part 15 and Part 18 of the FCC Rules until further notice." I further certify that no party (as defined in §1.2002(b) of CFR 47, 2004) to this application, including myself, is subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.,862. Dated this day of 2013 -Jan -10 By Signature : Printed Name : Raymond Tse Title : Engineer Remark: The person who signs this authorization letter must be the grantee contact of record in the Grantee Code data base

External Photos

INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (External)

Internal Photos

INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal) INTERTEK TESTING SERVICE Report No.: HK12120780-2 FCC ID: RQU-VT-201B Equipment Photographs Model : VT-201B (Internal)

Operational Description

Technical Description The Equipment Under Test (EUT) is Tower Music Player with Active Sub-woofer, bundling with a pair of separate passive stereo speakers. It can accept analog audio input sources: FM radio, Audio CD play back, 3.5mm phone-jack line-in, and digital audio input source: wireless Bluetooth device. The Bluetooth module in the EUT operates in the frequency range from 2402MHz to 2480MHz (79 channels with 1MHz channel spacing). The EUT and the active Subwoofer are powered by 120VAC individually. 2.4GHz Bluetooth Module: Modulation Type: GFSK Antenna Type: Integral, Internal (PCB Trace) Frequency Range: 2402MHz - 2480MHz, 1MHz channel spacing, 79 channels Nominal field strength is 93.1dB μV/m @ 3m Production Tolerance of field strength is +/- 3dB Antenna gain is 0dBi The functions of main ICs are mentioned below. 1. BlueTooth module BM81SPK01 (IC302): 1) U1 (IS1681S) acts as the 2.4GHz radio core of Bluetooth module (IC302) (BM81SPK01), which is integrating with audio CODEC. 2) 16MHz crystal (X1) provides clock for Bluetooth RF IC IS1681S (U1). 3) U2 (24C32) is serial EEPROM for parameter backup of U1 (IS1681S). 2. BlueTooth Power Supply portion: 1) Regulator for RF module: IC4 (CYT81117T33) 3. Control MCU: 1) IC1 SC9671B 4. Regulator and Audio Opamp 1) IC303 UTC4558 2) IC15 UTC7810 3) IC7 CYT81117T50 4) IC6 CYT81117T33 5) IC13 UTC4558 6) IC10 CYT81117T50 5. CD ROM Motor control IC: 1) IC2 (SA1461), IC5 (BA6208) 6. Stereo Audio Processor 1) IC8 SC7314 7. Audio Amplifier 1) IC12 (TDA7491HV), 8. Audio Channel Multiplexer 1) IC11 TC4052BFN 9. LCD and related controller 1) IC801 IC/HT1622/P 10. Broadcast FM radio Tuner 1) IC9 SI4702 Channel Frequency Table of Bluetooth Module Preliminary Datasheet BM81SPK01 4F,No.8,DusingRd.,HsinchuSciencePark,Hsinchucity30078,Taiwan,R.O.C Version:0.92 Phone:886%3%577%8385 9/20/2011 Fax:886%3%577%8501 BM81SPK01 Bluetooth 3.0+EDR Wireless Speaker Module Preliminary Datasheet BM81SPK01 Version: 0.92 - 2 - 9/20/2011 Product Description The ISSC BM81SPK01 is a highly integrated Bluetooth 3.0+EDR stereo module,designedforhighdatarate,short%rangewirelesscommunicationin the2.4GHzISMband.WithISSCBluetoothstackandprofile,theISSC BM81SPK01providesalowpowerandultra%lowcostBluetooth3.0+EDR solutionforwirelessvoice/audioapplications. Features MainChip:ISSCIS1681S Bluetooth3.0+EDRcompliant Typical+2dBmClass2outputpower Receiver Sensitivity: GFSK typical %91dBm, π/4 PSK typical %92dBm, 8DPSKtypical%84dBm PiconetandScatternetsupport HCIUARTinterface CVSD,A%law,μ%lawCODECalgorithmsforvoiceapplications SBCdecodeforBluetoothaudiostreaming Build%inHighperformancestereoaudiocodec Cap%less/singleendheadphonedriver AudioDAC:94dBSNR BuildinMax.350mAHLi%ionbatterycharger HSP,HFP,A2DP,AVRCPprofilesupport 3Voperatingvoltage ROMversion:32KbEEPROM 34pinsforDIPmodule,35pinsforSMTmodule(withadditional35thpin antennaportforexternalantennaoption) Size:15mmx29mm Build%inPCBAntenna RoHScompliant Preliminary Datasheet BM81SPK01 Version: 0.92 - 3 - 9/20/2011 Device Pinout Diagram P02 27 AIL 13 P27 28 MIC_BIAS 11 SPKR 5 P30 1 P00 3 AGND 8 P20 2 SYS_PWR 19 MIC1_P 9 GND 21 VDD_IO 15 P24 25 RST 14 P01 33 P16 32 P22 26 P05 29 HCI_TXD 30 P04 4 HCI_RXD 31 MFB 22 SPKL 6 BT_RF 35 VDDA 7 GND 34 BAT_IN 17 MIC1_N 10 LED1 23 ADAP_IN 16 AIR 12 SK1/P03 18 LED2 24 BK_OUT 20 Preliminary Datasheet BM81SPK01 Version: 0.92 - 4 - 9/20/2011 Pin Definition Pin No. I/O Name Description 1 P P30 GPIO,defaultpull%highinput Line%indetection,1:noline%indetected;0:line%in detected 2 I/O P20 GPIO,defaultpull%highinput SystemConfiguration,H:ApplicationL: Baseband(IBDKMode) 3 I/O P00 GPIO,defaultpull%lowinput. SlideSwitchDetector 4 I/O P04 GPIO,defaultpull%highinput AudioAMPEnable 5 AO SPKR R%channelanalogheadphoneoutput,single% ended applicationonly 6 AO SPKL L%channelanalogheadphoneoutput,single%ended applicationonly 7 AP VDDA Reserve for external cap to fine tune audio frequencyresponse 8 AP AGND Audioground 9 AI MIC1_P Mic1monodifferentialanalogpositiveinput 10 AI MIC1_N Mic1monodifferentialanalognegativeinput 11 AP MIC_BIAS Microphonebiasingvoltage 12 AI AIR Stereoanaloglinein,R%channel 13 AI AIL Stereoanaloglinein,L%channel 14 I/O RST_N SystemResetPin 15 P VDDIO VDDIOpin,forcalibrationonly Donotaddexternalpowertothispin 16 P ADAP_IN Poweradaptorinput 17 P BAT_IN Batteryinput 18 I/O SK1/P03 DefaultSARinputforbatterydetection Thispincanbere%definedasGPIOP03 19 P SYS_PW SystemPowerOutput 20 P BK_OUT Buckfeedbacksensepin 21 P GND Digitalground Preliminary Datasheet BM81SPK01 Version: 0.92 - 5 - 9/20/2011 22 P MFB Multi%FunctionPushButtonkey CombinedPlay/PausekeywhenA2DPenabled. 23 P LED1 LEDDriver1 24 P LED2 LEDDriver2 25 I/O P24 GPIO,defaultpull%highinput SystemConfiguration,H:BootMode 26 I/O P22 GPIO,defaultpull%lowinput. ExternalLDOenable 27 I/O P02 GPIO,defaultpull%highinput PLAY/PAUSEbutton 28 I/O P27 GPIO,defaultpull%highinput Fowardbutton 29 I/O P05 GPIO,defaultpull%highinput REWbutton 30 O HCI_TXD HCITXdata 31 I HXI_RXD HCIRXdata 32 I/O P16 GPIO,defaultpull%highinput Volumndownbutton 33 I/O P01 GPIO,defaultpull%highinput Volumnupbutton 34 P GND D…

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RF Exposure Info

Analysis Report Report No.: HK12120780-1 The Equipment Under Test (EUT) is Tower Music Player with Active Sub-woofer, bundling with a pair of separate passive stereo speakers. It can accept analog audio input sources: FM radio, Audio CD play back, 3.5mm phone-jack line-in, and digital audio input source: wireless Bluetooth device. The Bluetooth module in the EUT operates in the frequency range from 2402MHz to 2480MHz (79 channels with 1MHz channel spacing). The EUT and the active Subwoofer are powered by 120VAC individually. Antenna Type: Internal integral (PCB Trace) Antenna Gain: 0dBi Nominal rated field strength: 93.1dBμV/m at 3m Maximum allowed field strength of production tolerance: -/+3 dBm According to the KDB 447498: Based on the Maximum allowed field strength of production tolerance was 96.1dBμV/m at 3m in frequency 2.402GHz, thus; The EIRP = [(FS*D) ^2*1000 / 30] = 1.2mW Conducted power = Radiated Power (EIRP) - Antenna Gain So; Conducted Power = 1.2mW. The SAR Exclusion Threshold Level: = 3.0 * (min. test separation distance, mm) / sqrt(freq. in GHz) = 3.0 * 5 / sqrt (2.480) mW = 9.53 mWm Since the above conducted output power is well below the SAR Exclusion threshold level, so the EUT is considered to comply with SAR requirement without testing.

Schematics

DATA: TITLE: VT-201B Bluetooth VER: 1.0 SHEET 1 OF 5 COMPANY:GOLDSOUND ELECTRONIC LTD. DRAWN: DATE: APPROVED: 2012-11-16 1 P30 2 P20 3 P10 4 MUTE 5 SPKR 6 SPKL 7 VDDA 8 AGND 9 MIC_P 10 MIC_N 11 MIC_BIAS 12 AIR 13 AIL 14 RST 15 VDD_IO 16 ADAP_IN 17 BAT_IN 18 SK1/P03 19 SYS_PWR 20 BK_OUT 21 GND 22 MFB 23 LED1 24 LED2 25 P24 26 P22 27 P02 28 P27 29 P05 30 HCI_TXD 31 HCI_RXD 32 P16 33 P01 34 GND 35 BT_RF IC302 BM81SPK01-3KEY Bluetooth module R305 100K 5 IN2+ 6 IN2- 7 OUT2 8 VCC 4 VEE 3 IN1+ 2 IN1- 1 OUT1 IC303 UTC4558 C307 104P + C306 220uF C304 104P + C303 100uF + C308 10uF E B C Q303 S8050 R306 10K R308 10K R307 100K + C30910uF R309 100K C310 1uF C311 1uF C312 1uF C313 1uF R310 22K R311 22K R312 22K R313 22K C318 104P + C319100uF R314 22K R316 22K C316 1uF C317 1uF R323 27K R320 27K R322 22K R321 22K R315 22K R317 22K R318 10K R319 10K C321104P + C320 10uF S G D Q305 STS2301 D304 1N4148 E B C Q302 S8050 + C305 47uF R301 22K R302 1K R304 2K2 G D S Q304 STS2306 R303 22K S G D Q301 Si2315DS L305 FB601R@100M L306 FB601R@100M L301 FB120R@100M + C301 100uF C302 104P 1 ADJ 2 VOUT 3 VIN 4 VOUT IC4 CYT81117T33 D3 1N4148 C314 104P + C315 220uF MUTE SKIP-SKIP+PLAYBT-LED- PVDD+5V BT-SW BT-R BT-L DATA: TITLE: VT-201B CD VER: 1.0 SHEET 2 OF 5 COMPANY:GOLDOUND ELECTRONIC LTD. DRAWN: DATE: 2013-2-18 TO SERVO MOTO EUP IN APPROVED: + C45100uF C44 104P R34 10R 1 ADJ 2 VOUT 3 VIN 4 VOUT IC6 CYT81117T33 1 VINFC 2 TRB_1 3 REGO3 4 VINSL 5 REGO1 6 FWD 7 REV 8 VCC1 9 VOTR- 10 VOTR+ 11 VOSL+ 12 VOSL- 13 VOFC- 14 VOFC+ 28 MUTE 27 BIAS 26 VINTK 25 TRB_3 24 NC 23 VINLD 22 GND 21 VCTL 20 NC 19 VCC2 18 VOLD- 17 VOLD+ 16 VOTK- 15 VOTK+ 29 GND 30 GND IC2 SA1461 Y1 32.768KHz Y2 12MHZ 1 NC 2 VSS 3 PE3 4 LINEOUT_R 5 DAC_VSS 6 DAC_VDD 7 LINEOUT_L 8 VIMD 9 AVSS 10 KEYADC0 11 KEYADC1 12 KEYADC2 13 KEYADC3 14 AVDD 15 AVDD_MTR 16 FMIN 17 AMIN 18 AGND_MTR 19 AVSS_DC 20 LX 21 AVDD_DC 22 VOUTFB 23 DN- 24 DP+ 25 VPP 26 CLK12MXI 27 CLK12MXO 28 VSS 29 RESET 30 POWERON 31 PD7/I2S_DATA 32 PD6/I2S_LRCLK 33 PD5/I2S_BCLK 34 VDD15 35 VDD33 36 VSS 37 PB0/NF_DB0 38 PB1/NF_DB1 39 PB2/NF_DB2 40 PB3/NF_DB3 41 PB4/NF_DB4 42 PB5/NF_DB5 43 PB6/NF_DB6 44 PB7/NF_DB7 45 PC0/TXD0 46 PC1/RXD0 47 PC2 48 PC3/I2S_MCLK 49 PC4/I2C_SCL 50 PC5/I2C_SDA 51 VDD33 52 PD0 53 PD1 54 PD2 55 PD3 56 TEST 57 CONFIG[0] 58 CONFIG[2] 59 VDD15 60 VSS 61 PF4/TX_TEST 62 PF3/RX_TEST 63 PF2 64 AGND 65 AV3DD 66 F 67 E 68 D 69 C 70 B 71 A 72 V165O 73 V210 74 MD 75 LDO 76 RFO 77 RFI 78 BK_INN 79 BK_INP 80 AN_CC 81 REX 82 TP1 83 TP2 84 TP3 85 TP4 86 TRO 87 FOO 88 SLO 89 DMO 90 AVSS 91 AVDD15 92 SF_CLK 93 SF_CSN 94 SF_D0 95 SF_DI 96 PE1 97 PE0 98 SVOTESTEN 99 SVODEBUGEN 100 SD_CSN/PE6 101 VSS 102 SD_CLK/PE7 103 VDD15 104 SD_0/PE5 105 SD_I 106 VDD33 107 VSS 108 VDD33 109 VSS 110 VDD33 111 PA0(INT) 112 PA1(INT) 113 PA2/NF_ALE 114 PA3/NF_CLE 115 PA4/NF_CS 116 PA5/NF_WEN 117 PA6/NF_REN 118 PA7/NF_RB 119 PF0(INT) 120 PF1 121 PC6/TXD1 122 PC7/RXD1 123 VDD15 124 DEBUG_TEST 125 CONIFG[1] 126 OSC32KIN 127 OSC32KOUT 128 RTC_VDD IC1 SC9671B C30104P C26 104P C29 104P C39 104P C43 104P C50104P C48 104P C5222P C53 22P C60 104P C54 104P C59 104P C74 104P C73 15P C72 15P C75 104P C76 104P C77 104P C78 104P C19 100P C79 104P C25 104P C24 104P C32 332P C21 470P C22 470P C23 470P C20104P C18 104P C13 104P C33 18P C35 102P C40104P 1 CSN 2 DO 3 W 4 VSS 5 DI 6 CLK 7 HOLD 8 VCC IC3 M25Q40 TEST3 TEST4 TEST5TEST6 PF2 RX_TEST TX_TEST C8 104P + C7100uF C64 104P + C63 100uF C66 1UF C65 1UF C68 331P C67331P + C62 100uF L5 4.7UH/1A + C61 220uF C55 104P + C56 220uF E B C Q4 S8050 + C51 10uF D8 IN4148 C49 104P E B C Q3 S9015 E B C Q2 S8550 E B C Q1 S8550 + C38 100uF L4 2.2UH + C28100uF + C27100uF L3 2.2UH + C37 100uF + C16 100uF C12 104P + C11 470uF + C15100uF + C14 100uF L2 2.2UH + C80 100uF D1 IN4148 C70 104P C34 104P C17 104P 1 NC 2 DOOR/OP 3 DOOR/CL 4 NC 5 ENG 6 VDD 7 O/P1 8 O/P2 9 NC IC5 BA6208 C86 104p C87 104p C85 104P + C84 220uF ZD5 6.8V E B C Q9 C2236 + C83 100uF E B C Q11 C8050 D13 IN4148 D2 IN4148 123456 CON102 6PIN R33 10R R32 15K R31 15K E B C Q5 S8050 R40 1K R38 100K R39 1K S G D Q6 Si2315DS R35 10K R36 1K R37 10K R10 0R R11 100K C57 104P R27 1K R26 1K R25 1K R30 330K R29 330K R28 330K + C69 220uF R21 47K R22 47K R24 22K R23 22K R15 10R R7 10K R6 10K C41 104P C42 104P R72 3K3 R71 22K R66 1K R65 1K R17 1K R18 1K R70 4K7 R69 4K7 R68 1K R67 1K R73 2K R75 20K R74 10K R76 12K R62 1K R59 6K8 R56 4K7 R55 4K7 R58 10K R57 10K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CON101 16PIN FCC R52 2K R4910R R51 10R R50 0R 12345 CON103 5PIN R16 220R R202K2 R61 1K R60 1K 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 CON105 1 2 3 4 5 6 7 8 9 10 11 12 123456789101112 CON104 R64 1K R63 1K R53 10K R54 10K 1 ADJ 2 VOUT 3 VIN 4 VOUT IC7 CYT81117T50 C3 104P + C4 100uF R78 220R R77 220R R80 220R R79 220R R82 10K R81 10K R84 10K R83 10K R86 10K R85 10K R88 10K R87 10K L50 FB120R@100M C82 104P C81 104P R41 1K R42 1K R43 1K R44 1K L40 FB600R@100M L41 FB600R@100M R45 0R R46 1K R47 0R R48 0R R1 2.2R C114 104P + C115 1000uF D4 SS14 E B C Q15 S8050 E B C Q16 D8550 + C116 47uF R106 22K R107 1K R108 4K7 R109 15K ZD4 5V6 + C119 100uF R110 220R E B C Q17 D882 D17 SS14 C10 104P + C9 100uF C2104P 1 IN 2 GND 3 OUT IC15 UTC7810 123 CON3 3PIN LX1 FB102K LX2 FB102K LX3 FB102K LX4 FB102K LX5 FB102K SLED-SLED+FOC- MOTO- MOTO+ RESET F FB B C C D D E E A A MGND GND MGND MGND MGND MGND MGND MGND VDD1.5V DACGND REMOTE MUTECD-R CD-L MGND MGND MGND FOC+ MGND VCC1.5V VCC3.3V MGND CD+5V CD+VCC MGND CD+5V MGND MOTO+MOTO- SLED+ SLED- SLEDSW MOTOR-MOTOR+OPEN MGND MGND CLOSE FOC- RAD- RAD+ FOC+ MON VR LD MGND F CBA D E RFVCC VCOM MGND MGND VCC+5V LCD_CS LCD_CLK LCD_DATA POWER-SW VDD+3V3 REMOTE VCC+5V GND SD+3V3SD_CSN(D3) SD_DO(CMD) SD_CLK SD_DI(D0) SD_DETSD_WP VDD+3V3 TAPF-POWER CD-POWER USB-POWER BT-SW POWER-SW TC4052-A TC4052-B VDD+5V KEY-1KEY-0BT+3V9BT-LED- DP+ USB5V USB-POWER SD_CSN(D3) SD_CLK SD_DO(CMD) SD_DI(D0) SD_WP SD_DET SD+3V3 FM-DATA FM-CLK VOL-CLK VOL-DATA FM-RESET LCD_CS LCD_CLK LCD_DATA PLAY AUDIO-DET SKIP-SKIP+ VDD+3V3 AVCC CD+VCC CD-POWE…

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Test Report

Report No.: HK12120780-2 Ctrl No.: N/A 150 kHz30 MHz 1 PK CLRWR 2 AV CLRWR SGL TDS 6DB dBμV dBμV AC RBW 9 kHz MT 1 s PREAMP OFFAtt 10 dB AUTO 1 MHz10 MHz 0 10 20 30 40 50 60 70 80 90 100 CF15MAV CF15MQP Report No.: HK12120780-2 Ctrl No.: N/A EDIT PEAK LIST (Final Measurement Results) Trace1: CF15MQP Trace2: CF15MAV Trace3: --- TRACE FREQUENCY LEVEL dBμV DELTA LIMIT dB 1 Quasi Peak 208.5 kHz 43.81 N -19.44 2 CISPR Average208.5 kHz 42.43 N -10.82 1 Quasi Peak 213 kHz 40.29 N -22.79 2 CISPR Average213 kHz 39.48 L1 -13.60 1 Quasi Peak 312 kHz 49.45 N -10.46 2 CISPR Average312 kHz 47.64 N -2.27 1 Quasi Peak 424.5 kHz 31.20 N -26.16 2 CISPR Average424.5 kHz 31.41 N -15.94 2 CISPR Average582 kHz 25.31 L1 -20.68 1 Quasi Peak 3.75 MHz 41.21 N -14.79 2 CISPR Average3.75 MHz 34.81 N -11.18 1 Quasi Peak 7.4985 MHz 39.93 L1 -20.06 2 CISPR Average7.4985 MHz 39.34 L1 -10.65 1 Quasi Peak 9.996 MHz 37.99 N -22.00 2 CISPR Average10.0005 MHz 35.54 N -14.45 2 CISPR Average15 MHz 30.95 L1 -19.05 2 CISPR Average15.936 MHz 29.05 L1 -20.94 2 CISPR Average28.4325 MHz 33.53 L1 -16.47 1 Quasi Peak 28.437 MHz 38.47 L1 -21.52

Test Report

Issuing Laboratory: Intertek Testing Services Hong Kong Limited Hong Kong Accreditation Service (HKAS) has accredited this laboratory under the Hong Kong Laboratory Accreditation Scheme (HOKLAS) for specific laboratory activities as listed in the HOKLAS directory of accredited laboratories. The results shown in this report were determined by this laboratory in accordance with its terms of accreditation. Report No.: HK12120780-2 i FCC ID: RQU-VT-201B Intertek Testing Services Hong Kong Ltd. 2/F., Garment Centre, 576 Castle Peak Road, Kowloon, Hong Kong. Tel: (852) 2173 8888 Fax: (852) 2785 5487 Website: www.hk.intertek-etlsemko.com GENERAL INFORMATION Goldsound Electronic Limited BRAND NAME: Goldsound, MODEL: VT-201B BRAND NAME: iTrak by Encore Technology, MODEL: BT9201MO FCC ID: RQU-VT-201B Grantee: Goldsound Electronic Limited Grantee Address: Room 13, 3/F., Hewlett Centre, 54 Hoi Yuen Road, Kwun Tong, Kowloon, Hong Kong. Contact Person: Raymond Tse Tel: 852-2191 2681 Fax: 852-2191 3781 e-mail: N/A Manufacturer: Goldsound Electronic Ltd Manufacturer Address: Block C, Tanghuanling Industrial Park, Chashan Town, Dongguan, China. Brand Name: Goldsound / iTrak by Encore Technology Model: VT-201B / BT9201MO Type of EUT: Transceiver Description of EUT: Tower Music Player with Active Sub-woofer Serial Number: N/A FCC ID: RQU-VT-201B Date of Sample Submitted: December 27, 2012 Date of Test: January 24, 2013 to February 22, 2013 Report No.: HK12120780-2 Report Date: April 22, 2013 Environmental Conditions: Temperature: +10 to 40°C Humidity: 10 to 90% Issuing Laboratory: Intertek Testing Services Hong Kong Limited Hong Kong Accreditation Service (HKAS) has accredited this laboratory under the Hong Kong Laboratory Accreditation Scheme (HOKLAS) for specific laboratory activities as listed in the HOKLAS directory of accredited laboratories. The results shown in this report were determined by this laboratory in accordance with its terms of accreditation. Report No.: HK12120780-2 ii FCC ID: RQU-VT-201B Intertek Testing Services Hong Kong Ltd. 2/F., Garment Centre, 576 Castle Peak Road, Kowloon, Hong Kong. Tel: (852) 2173 8888 Fax: (852) 2785 5487 Website: www.hk.intertek-etlsemko.com SUMMARY OF TEST RESULT Goldsound Electronic Limited BRAND NAME: Goldsound, MODEL: VT-201B BRAND NAME: iTrak by Encore Technology, MODEL: BT9201MO FCC ID: RQU-VT-201B TEST SPECIFICATION REFERENCE RESULTS Transmitter Power Line Conducted Emissions 15.207 Pass Transmitter Field Strength and Bandwidth Requirement 15.249 Pass The equipment under test is found to be complying with the following standards: FCC Part 15, October 1, 2011 Edition Note: 1. The EUT uses a permanently attached antenna which, in accordance to section 15.203, is considered sufficient to comply with the pervisions of this section. 2. Pursuant to FCC part 15 Section 15.215(c), the 20 dB bandwidth of the emission was contained within the frequency band designated (mentioned as above) which the EUT operated. The effects, if any, from frequency sweeping, frequency hopping, other modulation techniques and frequency stability over excepted variations in temperature and supply voltage were considered. Issuing Laboratory: Intertek Testing Services Hong Kong Limited Hong Kong Accreditation Service (HKAS) has accredited this laboratory under the Hong Kong Laboratory Accreditation Scheme (HOKLAS) for specific laboratory activities as listed in the HOKLAS directory of accredited laboratories. The results shown in this report were determined by this laboratory in accordance with its terms of accreditation. Report No.: HK12120780-2 iii FCC ID: RQU-VT-201B Intertek Testing Services Hong Kong Ltd. 2/F., Garment Centre, 576 Castle Peak Road, Kowloon, Hong Kong. Tel: (852) 2173 8888 Fax: (852) 2785 5487 Website: www.hk.intertek-etlsemko.com Table of Contents 1.0 General Description....................................................................................... 1 1.1 Product Description ...................................................................................... 1 1.2 Related Submittal(s) Grants .......................................................................... 1 1.3 Test Methodology ......................................................................................... 1 1.4 Test Facility .................................................................................................. 2 2.0 System Test Configuration ............................................................................ 3 2.1 Justification................................................................................................... 3 2.2 EUT Exercising Software .............................................................................. 3 2.3 Special Accessories...................................................................................... 3 2.4 Equipment Modification........................................…

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