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Copyright © 2019 LG Electronics Inc. All rights reserved.

Only for training and service purposes.

Using APP

Step 3. System compare current version

with the latest version at server.

Step 4. If there is new version on server, press Update.

Step 6. Updating

Step 7. After update

fi

nish, application

show the result.

Step 5. Update

fi

le downloading.

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Содержание SL7Y

Страница 1: ...G THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL CONFIDENTIAL MODEL SL7Y SL7Y SPL5B W P NO AFN78474485 FEBRUARY 2019 MODEL SL7Y SL7Y SPL5B W Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes Wi Fi SOUND BAR ...

Страница 2: ...ectronics Inc All rights reserved Only for training and service purposes CONTENTS SECTION 1 GENERAL SECTION 2 CABINET MAIN CHASSIS SECTION 3 ELECTRICAL SECTION 4 WIRELESS SUBWOOFER PART SECTION 5 WIRELESS RECEIVER PART OPTION ...

Страница 3: ...SERVICING GUIDELINES FOR AUDIO PRODUCTS 1 3 SERVICING PRECAUTIONS 1 4 GENERAL SERVICING PRECAUTIONS INSULATION CHECKING PRODEDURE ELECTROSTATICALLY SENSITIVE ES DEVICES NAME OF EACH COMPONENT 1 5 WIRELESS SUBWOOFER CONNECTION 1 6 REAR SPEAKERS CONNECTION SOLD SEPARATELY 1 7 HIDDEN KEY MODE 1 8 SOFTWARE UPDATE GUIDE 1 9 SPECIFICATIONS 1 12 ...

Страница 4: ...ign Be sure that the safety purpose of the polarized line plug has not been defeated 3 Soldering must be inspected to discover possible cold solder joints solder splashes or sharp solder points Be certain to remove all loose foreign particles 4 Check for physical evidence of damage or deterioration to parts and components for frayed leads or damaged insulation including the AC cord and replace if ...

Страница 5: ... more than 1Mohm Note 1 Accessible Conductive Parts include Metal panels Input terminals Earphone jacks etc Electrostatically Sensitive ES Devices 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 se...

Страница 6: ...i Fi WI FI Optical ARC LG Sound Sync Wired OPT HDMI ARC Bluetooth BT LG Sound Sync Wireless LG TV HDMI IN HDMI USB USB Volume Adjusts volume level Wi Fi Selects Wi Fi function DC IN Connect to the AC adapter USB Port Connect USB memory device to the USB port on the back of the unit OPTICAL IN Connect the OPTICAL IN jack on the back of the unit to OPTICAL OUT jack on the TV HDMI IN Connect HDMI IN ...

Страница 7: ... subwoofer does not make sound To solve the problem follow the steps below 1 Press Pairing on the rear of the wireless subwoofer The green LED on the rear of the wireless subwoofer blinks quickly If the green LED does not blink press and hold the Pairing 2 Turn on the sound bar Pairing is completed The green LED on the rear of the wireless subwoofer turns on Note It takes a few seconds and may tak...

Страница 8: ...r Status Yellow green Blink The connection is trying Yellow green The wireless receiver is receiving the signal from the sound bar Red The wreless receiver is in standby mode Off No display The power cord of wireless receiver is disconnected Setting up the wireless receiver for the first time 1 Connect the power cord to the wireless receiver to the outlet 2 Turn on the main unit The sound bar and ...

Страница 9: ...Q Result Scroll SW Version on Soundbar VFD EXIT Press Play Pause on Remocon for 5 seconds MICOM PEQ MAIN 3 OPTION Edit Enter Volume on soundbar with Sound tuning key on remocon for 5 seconds Result VFD display OPTION number and OPTION data like 00 00 02 4A How to Change Option data Change Option data by press PLAY PAUSE on remocon key change option number by press B SKIP on remocon F SKIP on remoc...

Страница 10: ... WOOFERTX_SL7_WSB_yymmrrr BIN WOOFERTX_SL7F_WSB_yymmrrr BIN REARRx REARRX_SL7_WSB_yymmrrr BIN REARRX_SL7F_WSB_yymmrrr BIN REARTx REARRX_SL7_WSB_yymmrrr BIN REARRX_SL7F_WSB_yymmrrr BIN 1 2 HOW TO UPDATE Copy Update file to USB Root Directory Turn on soundbar and change function to WIFI Insert USB to USB Port at the back side of soundbar VFD display UPGRADE Play Pause key on remocon or WIFI key on s...

Страница 11: ...onics Inc All rights reserved Only for training and service purposes 2 Using APP Before Network update soundbar has to be connected with LG Wifi Soundbar Application Step 1 Select setting gui Step 2 Select software version display ...

Страница 12: ... training and service purposes Using APP Step 3 System compare current version with the latest version at server Step 4 If there is new version on server press Update Step 6 Updating Step 7 After update finish application show the result Step 5 Update file downloading ...

Страница 13: ...1 kHz THD 10 Center 40 W RMS 4 Ω at 1 kHz THD 10 Subwoofer 220 W RMS 3 Ω at 80 Hz THD 10 WIRELESS SUBWOOFER Power requirements Refer to the main label on the subwoofer Power consumption Refer to the main label on the subwoofer Type 1 Way 1 Speaker Impedance 3 Ω Rated Input Power 220 W RMS Max Input Power 440 W RMS Dimensions W x H x D Approx 171 0 mm x 393 0 mm x 248 5 mm 6 7 inch x 15 4 inch x 9 ...

Страница 14: ...and service purposes SECTION 2 CABINET MAIN CHASSIS CONTENTS DISASSEMBLY INSTRUCTIONS 2 2 1 HOW TO DISASSEMBLE THE MAIN UNIT 2 2 2 HOW TO DISASSEMBLE THE SUBWOOFER 2 5 EXPLODED VIEWS 2 9 1 MAIN UNIT SECTION 2 9 2 WIRELESS SUBWOOFER SECTION 2 11 3 PACKING ACCESSORY SECTION 2 13 ...

Страница 15: ...UCTIONS 1 HOW TO DISASSEMBLE THE MAIN UNIT Figure 1 1 1 1 Case Bottom Assembly 1 Remove the 22 Screws 2 Remove the Case Bottom Assembly Figure 1 2 1 1 2 Main and AMP Frame Assembly 1 Disconnect the 5 cables from The AMP PCB Assembly 2 Remove the 3 Screws Figure 1 2 2 3 Remove the 2 Screws from The JACK PCB Chassis ...

Страница 16: ... 1 1 2 1 Main PCB Assembly 1 Disconnect the 5 cables from The MAIN PCB Assembly 2 Remove the 2 Screws Figure 1 2 2 1 2 2 LCD Module Assembly 1 Disconnect the cable from The LCD Module Assembly 2 Remove the Screw Figure 1 2 3 1 1 2 3 BT and WIRELESS Module 1 Disconnect the 2 cables from The BT and WIRELESS Module Assembly 2 Remove the Screw ...

Страница 17: ...LESS Module 3 Disconnect the 5 hooks from The BT and WIRELESS Module Assembly 4 Remove the BT and WIRELESS Module Figure 1 2 4 1 2 4 Wi Fi Module Assembly 1 Remove the Screw 2 Remove the Cable 3 Disconnect the 3 hooks 4 Remove the Wi Fi Module Figure 1 2 5 1 2 5 Button PCB Assembly 1 Disconnect the 2 hooks 2 Remove the cable 3 Push the Button PCB Assembly ...

Страница 18: ... reserved Only for training and service purposes SPK cable Rear Panel Assembly Figure 2 1 1 Figure 2 1 2 2 HOW TO DISASSEMBLE THE SUBWOOFER 2 1 Rear Panel Assembly 1 Remove the 8 screws 2 Pull out the Rear Panel Assembly and disconnect the SPK cable ...

Страница 19: ...dule 1 Disconnect the FFC cable 2 Remove the EVA sheet 0 15T covered the WIRELESS module 3 Remove the WIRELESS module 4 Remove the EVA gasket 1 0T covered the WIRELESS module Caution when assembling the WIRELESS Module 1 Attach the EVA gaskets 1 0T to both sides of the WIRELESS module 2 Assemble the WIRELESS module into the wireless holder 3 Attach the EVA sheet 0 15T to the WIRELESS module 4 Conn...

Страница 20: ...for training and service purposes 1 2 AMP SMPS PCB Assembly AMP SMPS PCB Assembly Figure 2 3 1 Figure 2 3 2 HOW TO DISASSEMBLE THE SUBWOOFER 2 3 AMP SMPS PCB Assembly 1 Disconnect the Power inlet socket cable 2 Remove the 5 screws 3 Remove the AMP SMPS PCB Assembly ...

Страница 21: ...2 8 Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 22: ...MP MAIN A54 263 A46 A51 266 A48 A47 B T A52 WIRELESS WI FI A54 264 CABLE6 CABLE4 CABLE2 CABLE3 LCD701 O D N C E C B D N O F H A I G H F T U CABLE5 M R U 2 10 2 9 EXPLODED VIEWS 1 MAIN UNIT SECTION NOTES THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE SERVICE PERSONNEL TO THE PRESENCE OF IMPORTANT SAFETY INFORMATION IN SERVICE LITERATURE CABLE7 ...

Страница 23: ...Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes 2 12 2 11 2 WIRELESS SUBWOOFER SECTION B B A A 954 953 A45W A54W 951 A900 ...

Страница 24: ...ectronics Inc All rights reserved Only for training and service purposes 300 Power cord 833 AC adapter 900 Remote control 836 Screws 2 835 Wall bracket 837 Holder foot 806 Optical cable Optional Part 3 PACKING ACCESSORY SECTION ...

Страница 25: ...2 14 Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 26: ...T ON NO MESSAGE OR HELLO ON FRONT PANEL 3 5 2 NO SOUND 3 8 3 PROTECTION ERROR 3 12 WAVEFORMS OF MAJOR CHECK POINT 3 14 1 CRYSTAL 3 14 2 FLASH MEMORY 3 14 3 TACT KEY 3 15 4 USB 3 16 5 REMOTE CONTROL 3 17 6 OPTICAL 3 18 7 FM 3 19 CIRCUIT VOLTAGE CHART 3 21 1 IC VOLTAGE 3 21 2 CAPACITOR VOLTAGE 3 23 3 CONNECTOR VOLTAGE 3 23 PRINTED CIRCUIT BOARD DIAGRAMS 3 25 1 MAIN P C BOARD DIAGRAM 3 25 2 MPEG JACK...

Страница 27: ...601 CN702 CN703 CN704 99999 CN107 26P FFC CN108 LED FR4 4layer 1 6T 18x21mm 6P Harness DC JACK Wi Fi Module Wireless Rear Module Wireless Woofer Module 102 CN100 CN101 KEY FR4 4layer 1 6T 43x30mm 08 8 CNA102 CNA00 JACK MPEG FR4 4layer 1 6T 207 5x67mm CN607 fer r r r r r r M M M M M M M M M M M M M M M M o o o o o du 30P BtoB 26P FFC CN602 CN111 CN CN CN104 BT 12P FFC FM TUNER WIRING DIAGRAM ...

Страница 28: ...T PWM_I2S_BCK LRCK WF Wireless Woofer Wireless Module RX LCD_CS RST CD CLK DAT LCD_BL REMOCON CN108 KEY S Flash IC102 1 MB POWER FUNC WIFI VOL SPI USB0_DP_BT USB0_DN_BT MT8506 IC501 C TWC LPF 50 W 25 W LPF AMP IC IC702 FL TWL 50 W LPF 25 W LPF AMP IC IC701 RL L L MICOM IC100 100P BT_RST BT_STBY 2 2 2 2 4 PWM IC606 Wireless Module TX 5 G HDMI OUT T T HDMI IN OPTICAL USB USB1_DP_WIFI USB1_DN_WIFI BT...

Страница 29: ...V DCDC DCDC 250 mA WIFI_3V5 Wi Fi Switch 500 mA USB_5 V USB Switch 50 mA VCC_5 V LCD Switch 20 mA HDMI_5V HDMI DCDC 2A MICOM DDR3 Switch Switch WIRELESS Woofer 5G WIRELESS Rear 5G WL_3V3 65 mA 65 mA RBOX_3V3 Switch Switch LDO D_3 3 V 100 mA 30 mA NOR Flash PWM_3 3 V 100 mA PWM A_3V3 10 mA TUNER 3 3 V Alive WIFI_CTRL DSP_P_CTRL PWR_CTRL PWR_CTRL HDMI_CTRL WL_WF_CTRL WL_RBOX_CTRL D33_CTRL D33_CTRL P...

Страница 30: ...N 2 If 25 VA is abnormal please check adapter 3 If 25 VA is OK but 12 VA is abnormal pin3 of IC604 VOUT replace AMP board 1 1 3 Service hint Any picture Remark AMP board top view CA656 100nF CA653 10uF 35V CA657 100nF CA660 10uF 35V CA659 10uF 35V CA663 10uF 35V CA655 100nF CA658 10uF 35V CA667 33pF RA658 47K 1 RA660 22 RA664 100K RA659 3 3K 1 RA665 100K RA657 51K 1 RA674 150K FB611 UBW2012 121F E...

Страница 31: ... 1 8 R 3 0 9 R 1 1 5 R 1 1 7 R 1 2 0 R 1 2 1 R 3 1 6 R 1 2 2 R 1 2 3 R 1 2 4 R 1 2 5 R 1 2 6 R 1 2 7 R 1 2 8 R 1 2 9 R 1 3 0 R 1 3 1 R 1 3 2 R 3 2 9 C 3 0 2 C 3 0 9 R 1 5 6 R 1 5 7 R 1 5 8 R 3 5 6 R 3 5 7 C 3 2 2 C 3 2 8 R 3 7 1 R 3 7 2 R 3 7 3 R 3 7 5 R 3 7 6 C 3 4 0 C 3 4 3 C 3 4 9 R 3 8 5 C 3 5 2 C 3 5 4 C 3 5 5 R 3 9 2 C 3 5 6 R 3 9 3 C 3 6 4 C 3 6 7 C 1 7 9 C 3 7 0 C 1 8 0 C 1 8 1 I C 1 0 1 I...

Страница 32: ...T P 1 5 8 T P 1 6 0 M 3 R 1 M 9 F B 1 0 1 F B 1 1 1 R 1 0 2 R 1 0 3 R R 1 0 6 R 1 0 7 R 1 0 8 R 1 1 1 R 1 1 2 R 1 1 3 R 1 1 4 R 1 1 5 R 1 1 7 R 1 2 0 C N 1 0 6 C N 1 0 7 8 C 1 0 5 R 1 4 7R 1 4 8 C 1 1 4 C 1 1 5 R 1 5 2 R 1 5 3 C 1 2 0 C 1 2 1 C 1 2 2 R 1 6 0 R 1 6 1 R 1 6 2 R 1 6 3 R 1 6 4 R 1 6 5 R 1 6 6 R 1 7 3 R 3 8 0 C 1 6 4 K E Y C 1 6 5 D 1 1 1 D 1 1 2 C 1 7 8 C I C 1 0 0 R 2 0 1 R 2 1 3 DGN...

Страница 33: ...9 C 3 3 2 C 1 4 1 R 3 7 1 C 1 4 2 R 3 7 2 C 1 4 3 R 3 7 3 R 1 8 1 R 3 7 5 R 3 7 6 8 2 R 1 8 3 R 1 8 4 R 3 7 8 R 1 8 6 R 1 8 7 8 8 C 3 4 0 8 9 C 3 4 3 C 3 4 4 R 1 9 0 R 1 9 1 C 3 4 9 R 3 8 5 C 3 5 0 C 3 5 2 C 3 5 3 C 3 5 4 C 3 5 5 R 3 9 2 C 3 5 6 D 1 0 3 C 3 5 7 R 3 9 3 C 3 6 4 C 1 7 3 C 3 6 7 C 3 6 9 C 3 7 0 C 3 7 3 I C 1 0 2 I C 3 0 1 C 3 8 3 C 3 8 4 C 1 9 0 I C 3 0 4 C 3 8 5 C 1 9 1 C 3 8 6 C 1 ...

Страница 34: ...e hint Any picture Remark MPEG JACK board top view MPEG JACK board bottom view R 2 3 5 R 2 3 6 C 2 1 4 C 2 1 6 C 2 2 8 D 2 0 1 C 2 6 6 F B 3 1 4 F B 3 1 5 F L 2 0 3 I C 3 0 9 C 3 9 4 C 3 9 5 C 3 9 6 J K 2 0 1 J K 2 0 4 R 2 0 5 R 2 0 7 1 C 2 1 3 C 2 1 5 T P 2 2 5 T P 2 2 6 T P 2 2 7 T P 2 4 4 T P 2 4 5 T P 2 4 6 T P 2 4 7 F B 2 0 3 OPTICAL JACK 192KHz OPT_DET 3 3VA OPT_SPDIF FB203 PZ1608U221 1R4TF ...

Страница 35: ...ny picture Remark MPEG JACK board bottom view R 8 1 2 R 8 2 0 C 2 1 3 C 2 1 5 C 8 0 5 C 8 0 6 C 8 0 7 C 8 0 8 C 8 0 9 C 8 1 1 C 8 1 2 C 8 1 3 C 8 1 4 C 8 1 5 C 8 1 8 C 8 2 1 C 8 2 4 D 8 0 0 D 8 0 1 D 8 0 2 F B 3 1 6 R 3 6 9 R 3 7 0 T P 2 2 5 T P 2 2 6 T P 2 2 7 T P 2 4 4 T P 2 4 5 T P 2 4 6 T P 2 4 7 C 3 5 8 C 3 5 9 C 3 6 0 C 3 6 1 C 3 6 2 C 3 6 3 C 3 7 4 I C 3 0 8 F B 2 0 3 C359 1uF 25V HDMI_5V H...

Страница 36: ...se check USB_5V at JK204 pin1 2 If soldering status and voltage has abnormal status replace MPEG JACK board 2 4 3 Service hint Any picture Remark MPEG JACK board top view R 8 0 0 R 8 0 1 R 8 0 4 R 8 0 5 R 8 0 6 R 8 0 7 R 8 1 0 R 8 1 1 R 2 3 5 R 2 3 6 R 8 1 3 R 8 1 4 R 8 1 7 R 8 1 8 C N 8 0 0 0 1 C 2 1 4 C 2 1 6 C 8 0 2 C 8 0 3 C 8 0 4 C 2 2 8 C 8 2 3 D 2 0 1 C 2 6 6 D 8 0 3 F B 3 1 4 F B 3 1 5 R 3...

Страница 37: ... 2 How to troubleshoot Countermeasure 1 Check DC Voltage of speaker out FL TWL CN704 pin1 2 3 4 FR TWR CN703 pin1 2 4 5 and C CN702 pin1 2 2 Check resistor crack cold solder of PWM IC out AR606 AR607 AR605 3 If PWM IC out is ok and speaker out FL FR TWL TWR C has DC voltage replace AMP board 3 1 3 Service hint Any picture Remark AMP board top view CN703 CN703 CN702 CN702 AR607 AR606 AR605 AR607 AR...

Страница 38: ...No display or No Sound 3 2 B BURNT PROTECTION 3 2 1 Solution Replace AMP board 3 2 2 How to troubleshoot Countermeasure 1 Check voltage 12 V of IC700 IC701 IC702 at pin1 2 if 12 V has problem refer to STEP 1 1 2 If 12 V is OK replace AMP board 3 2 3 Service hint Any picture Remark AMP board bottom view IC700 IC700 IC701 IC701 IC702 IC702 ...

Страница 39: ...D R156 4 7K R158 4 7K 3 3VA R157 4 7K 3 3VA R159 4 7K IC101 EQ 1st_Vendor EAN64309702 Gigadevice 1 CS 2 SO 3 WP 4 VSS 5 SI 6 SCLK 7 HOLD 8 VCC MSF_MISO 100nF C116 8MBIT 1 R509 330 DGND R510 1M C5A9 10pF C580 10pF C27 C28 X501 27MHz 1 INPUT OUTPUT 2 FLOAT 3 INPUT OUTPUT 4 FLOAT R593 0 DGND Close to IC501 2 CA600 8pF CA620 8pF RA601 1M RA600 2 2K DGND XA601 24 576MHz 1 INPUT OUTPUT 2 FLOAT 3 INPUT O...

Страница 40: ...O 93 PJ 1 TDI TCLK 94 PJ 2 TMS 95 PJ 3 TCK 96 RST NMI SBWTDIO 97 P6 0 A0 98 P6 1 A1 99 P6 2 A2 100 P6 3 A3 C113 1nF R153 100 AMP_CLIP0 R151 100 R142 100 R150 100 DGND DGND JTAG TDO JTAG TMS JTAG TCK AR149 100 1 2 3 4 5 6 7 8 DOWNLOAD JTAG TDI RESET AMP_PROTECT AMP_FAULT FOR TAS5612 CLIP JTAG KEY AMP AMP DGND RA01 680 RA03 1K RA02 820 RA00 750 CA00 100nF SWA00 JTP1127WEM 1 2 3 4 SWA01 JTP1127WEM 1 ...

Страница 41: ...rposes 4 USB FIG 4 1 USB 5 V FIG 4 2 USB D 8 9 FIG 4 3 USB D 10 9 10 8 DGND TP244 TP246 C214 100nF FL203 1 2 3 4 TP245 TP247 USB_5V USB2_DP USB2_DN JK204 EAG62571101 1 5V 2 USB D 3 USB D 4 DGND R235 4 7 R236 4 7 D201 uCLAMP0561P NC VCC_5V FB315 PZ1608U221 1R4TF NC C216 220uF USB Playback MPEG ...

Страница 42: ...1 FIG 5 2 Low Timing 12 Item Measured Spec Input Level 3 3 V IR Receiver Spec 2 7 5 5 V Low Timing 4 4 ms 3 6 ms 5 04 ms High Timing 4 48 ms 4 08 ms 5 04 ms FIG 5 3 High Timing 13 13 12 11 H 3 2mm SMD Angle IR RECEIVER REMOCON C180 100nF R202 100 C181 100pF 3 3VA C179 10uF RCF01 AO R123C7G LG 1 GND 2 VCC 3 OUT 4 GND ZD101 BZX84 C3V9 1 2 3 ...

Страница 43: ...ervice purposes 15 14 OPTICAL JACK 192KHz TP225 OPT_DET 3 3VA OPT_SPDIF FB203 PZ1608U221 1R4TF DGND TP227 TP226 C213 100nF C228 15pF C215 10uF 10V R207 100 R205 560 C266 100pF DGND JK201 EAG37842011 1 VOUT 2 GND 3 VCC MICOM MPEG OPTICAL 6 OPTICAL FIG 6 1 OPT IN 14 FIG 6 2 OPT DET 15 ...

Страница 44: ... V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V Vr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r rm m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m...

Страница 45: ...3 20 Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 46: ...V IC501 Video Processors H8 H9 J8 K8 DVCC12_K 1 14 V 1 26 V 1 20 V 95 C G6 G7 H7 J7 K6 L5 DVCC33_IO 3 15 V 3 45 V 3 31 V P6 T4 T5 V2 V3 W2 DDRVCCIO1 1 425 V 1 575V 1 50 V H17 AVDD33 3 15 V 3 45 V 3 34 V K15 AVDD12 1 14 V 1 26 V 1 21 V AVDD12_LDO 1 14 V 1 26 V 1 17 Designator Description Pin No Pin Name Voltage Spec Measured Voltage Temperature Spec IC503 DDR3 SDRAM B2 D9 G7 K2 K8 N1 N9 R1 R9 VDD 1...

Страница 47: ...34 91 34 9 55 105 C 5000 HR WC904 Capacitor AL Radial 100 uF 460 V 155 1 155 7 155 4 155 3 155 3 25 105 C 2000 HR WC917 Capacitor AL Chip 47 uF 50 V 20 15 20 27 20 22 20 16 20 21 55 105 C 2000 HR WC924 WC925 WC926 Capacitor AL Radial 330 uF 35 V 25 52 25 51 25 53 25 51 25 49 55 105 C 2000 HR POWER MAIN Module SPEC CN100 MAIN Woofer Wireless WL_3V3 3 37 V 3 37 V 3 3 V 3 15 3 45 V CN101 MAIN REAR Wi...

Страница 48: ... C 3 5 2 C 3 5 3 C 1 6 0 R 3 9 0 C 3 5 4 C 3 5 5 R 3 9 2 C 3 5 6 D 1 0 3 C 3 5 7 R 3 9 3 C 1 6 4 K E Y C 1 6 5 R 3 9 5 D 3 0 1 C 3 6 4 D 1 1 1 C 3 6 6 D 1 1 2 C 1 7 3 C 3 6 7 C 3 6 9 C 1 7 8 C 1 7 9 C 3 7 0 C 3 7 3 C 1 8 0 I C 1 0 0 C 1 8 1 I C 1 0 1 I C 1 0 2 C 3 7 6 I C 1 0 3 C 3 7 7 L 4 0 6 L 4 0 7 I C 3 0 0 I C 3 0 1 C 3 8 3 C 3 8 4 C 1 9 0 I C 3 0 4 C 3 8 5 C 1 9 1 I C 3 0 5 C 3 8 6 C 1 9 2 I...

Страница 49: ...A 0 C 8 0 5 C 8 0 6 C 8 0 7 C 8 0 8 C 8 0 9 C 5 A 5 C 5 A 6 C 5 A 7 C 8 1 1 C 8 1 2 C 8 1 3 C 8 1 4 T P 5 1 0 C 8 1 5 C 5 B 3 C 8 1 8 C 5 B 4 R 5 F 1 C 5 B 5 R 5 F 2 C 5 B 6 C 5 B 7 R 5 F 4 T P 5 1 9 C 8 2 1 C 8 2 4 T P 5 2 1 T P 5 2 2 T P 5 2 5 R 5 G 2 T P 5 2 6 T P 5 2 7 T P 5 2 8 T P 5 2 9 C 8 3 1 C 8 3 2 C 8 3 3 T P 5 3 0 C 5 D 1 C 5 D 2 C 8 3 6 C 5 D 3 T P 5 3 3 C 5 D 4 T P 5 3 4 C 8 3 8 C 5 ...

Страница 50: ... FUCN POWER WIFI FUCN EAX68504801 VER1 2 SL7 KEY FR4 4L 1 6T 2018 11 22 PCB SIZE 43X30 S W A 0 0 S W A 0 1 S W A 0 2 S W A 0 3 S W A 0 4 R A 0 0 R A 0 1 R A 0 2 R A 0 3 R A 0 4 R A 0 5 R A 0 6 C A 0 0 T P A 0 0 T P A 0 1 C N A 0 0 3 AMP P C BOARD DIAGRAM 4 KEY P C BOARD DIAGRAM TOP VIEW TOP VIEW BOTTOM VIEW BOTTOM VIEW ...

Страница 51: ...Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes 3 32 3 31 ...

Страница 52: ...NTENTS WIRING DIAGRAM 4 2 BLOCK DIAGRAM 4 3 ONE POINT REPAIR GUIDE 4 4 1 POWER ON ERROR 4 4 2 WIRELESS CONNECTION 4 6 WAVEFORMS OF MAJOR CHECK POINT 4 7 1 CRYSTAL 4 7 2 FLASH MEMORY 4 7 3 VOLTAGE 4 8 4 AMP VOLTAGE 4 9 5 PWM 4 10 6 LED 4 11 CIRCUIT VOLTAGE CHART 4 13 PRINTED CIRCUIT BOARD DIAGRAMS 4 15 1 WOOFER SMPS AMP P C BOARD 4 15 ...

Страница 53: ... 2 Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes 2P 3 96mm ST Non Lock SMD 26P 0 5mm ST Non Lock SMD Wireless 2P 3 96mm ST Non Lock SMD Power WIRING DIAGRAM ...

Страница 54: ...ht 2019 LG Electronics Inc All rights reserved Only for training and service purposes PWM IC Wireless TX Wireless RX FL LPF AMP IC FR LPF AMP_PDN SW SW AMP_SD I2S I2C Reset KEY PAIRING LED RED GREEN BLOCK DIAGRAM ...

Страница 55: ...9 W R 9 1 5 W R 9 1 8 W T H 9 0 1 W C 7 0 0 W C 9 0 0 W C 9 0 5 W R 7 5 0 W R 7 5 1 W R 7 5 5 W R 7 5 6 W C 7 4 7 W C 9 4 0 W C 7 7 0 W C 7 7 2 W C 7 7 4 W I C 9 0 5 W Z D 9 0 3 W F L 9 0 1 T P 1 9 T T P 2 T P 3 3 T P W W R 9 W R 9 W R 9 4 3 W R 9 4 4 W C 9 1 3 B B B S P L 5 E A X B L W B R C A U T I O N R I S K O F F I R E R E P L A C E F U S E A S M A R K E D T 5 A H 2 5 0 V W R 7 6 5 W C 7 6 4 ...

Страница 56: ... W C 6 1 7 W C 6 2 0 W C 6 2 1 WPW901 W Q 7 0 2 W Q 7 0 3 W Q 7 0 4 W Q 7 0 5 Q 7 0 7 W I C 6 0 1 W R 7 0 0 W R 7 0 1 W R 7 2 2 W R 7 2 4 W R 7 2 6 W R 7 3 3 R 7 3 4 5 W C 7 0 7 W C 7 0 8 W C 7 0 9 W C 7 1 0 W C 7 1 1 G N D B C K A M P _ S D P _ S E N S E W F 9 0 1 Z D 7 0 1 W V 9 0 1 W F L 9 0 2 L R C K P W M _ R S T WIC703 WIC703 ONE POINT REPAIR GUIDE POWER ON ERROR Fundamental power check poin...

Страница 57: ... R E R E P L A C E F U S E A S M A R K E D T 5 A H 2 5 0 V W R 7 6 4 W R 7 6 5 W R 7 7 4 W C 7 6 2 W C 7 6 4 W C 7 6 6 W C 7 6 7 W I C 7 0 5 W C 7 9 0 W C 7 9 2 W F B 6 0 1 W F B 6 0 2 W F B 6 0 3 W F B 6 0 4 W R 6 0 3 W R 6 0 4 W C N 6 0 1 W R 6 2 1 W R 6 2 2 W R 6 2 5 W R 6 2 6 W R 6 2 7 W R 6 2 8 W R 6 2 9 W R 6 3 0 W R 6 3 1 W R 6 3 2 W R 6 3 3 W R 6 3 4 W R 6 3 5 W R 6 3 6 W R 6 3 7 W R 6 3 8...

Страница 58: ...2019 LG Electronics Inc All rights reserved Only for training and service purposes WAVEFORMS OF MAJOR CHECK POINT 1 CRYSTAL 2 FLASH MEMORY FIG 1 WX601 24 576 MHz FIG 2 VCC CS CLK DO 1 2 4 3 5 VCC CS CLK DO 1 2 4 5 3 ...

Страница 59: ...Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes 3 VOLTAGE FIG 3 2 Woofer 12 VA FIG 3 1 Woofer PVDD 6 7 FIG 3 3 Woofer 3 3 VA 8 FIG 3 4 Woofer 3 3V_PWM 9 7 6 8 9 ...

Страница 60: ...4 9 Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes 4 AMP VOLTAGE FIG 4 2 AMP_12V FIG 4 1 AMP PVDD 10 11 11 10 ...

Страница 61: ...4 10 Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes 5 PWM FIG 5 2 Woofer PWM SW Signal FIG 5 1 Woofer PWM SW Signal 12 13 13 12 ...

Страница 62: ...4 11 Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes 6 LED FIG 6 2 Pairing On Status Green LED FIG 6 1 Pairing Off Status Red LED 14 15 15 14 ...

Страница 63: ...4 12 Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 64: ... VDD_PLL 1 08 V 1 32 V 1 28 V 1 28 V WIC701 IC Audio Amplifier PVDD 29 30 31 36 37 38 PVDD 12 V 34 V 20 61 V 20 64 V GVDD 1 22 GVDD 10 8 V 13 2 V 12 41 V 12 42 V VDD 2 VDD 10 8 13 2V 12 47 V 12 47 V WIC703 IC Analog Switch VIN 1 VIN 2 8 V 5 5 V 3 42 V 3 42 V VOUT 6 VOUT 2 8 V 5 5 V 3 41 V 3 41 V WIC704 IC DC DC Converter VIN 7 VIN 4 5 V 45 V 34 61 V 34 64 V SW 1 VOUT 0 8 V 42 V 12 53 V 12 53 V WIC...

Страница 65: ...9 4 0 W C 9 4 7 W D 9 0 2 W C 7 7 0 W C 7 7 2 W C 7 7 4 W H S 9 0 1 W H S 9 0 2 W I C 9 0 4 W I C 9 0 5 W T 9 0 1 W D 9 2 6 W D 9 2 7 W C 7 9 4 W F 9 0 1 W Z D 9 0 2 W Z D 9 0 3 W V 9 0 1 W C M 9 0 1 W B C 9 0 4 W Q 9 1 1 W Q 9 1 2 W F L 9 0 1 W F L 9 0 2 T P 1 9 T P 2 1 T P 2 2 T P 3 3 W R 9 0 1 W R 9 0 2 W R 9 0 3 T P 4 2 W R 9 1 1 W R 9 1 2 W R 9 1 3 W R 9 1 4 W R 9 1 6 W R 9 2 1 W R 9 2 7 W R ...

Страница 66: ...e purposes SECTION 5 WIRELESS RECEIVER PART OPTION CONTENTS WIRING DIAGRAM 5 2 BLOCK DIAGRAM 5 3 ONE POINT REPAIR GUIDE 5 4 ELECTRICAL TROUBLESHOOTING GUIDE 5 5 WAVEFORMS 5 7 PRINTED CIRCUIT BOARD DIAGRAMS 5 9 1 WIRELESS RECEIVER SMPS P C BOARD 5 9 2 WIRELESS RECEIVER AMP P C BOARD 5 11 ...

Страница 67: ...Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes Rear AMP SMPS Wireless RCN301 CN901 RJK301 SPK RR RL 26P FFC R C N 3 0 3 10P Harness SPK terminal WIRING DIAGRAM ...

Страница 68: ...ght 2019 LG Electronics Inc All rights reserved Only for training and service purposes PWM IC Wireless TX Wireless RX RL LPF AMP RR LPF AMP_PDN RL RR AMP_SD I2S I2C R Reset KEY PAIRING LED RED GREEN BLOCK DIAGRAM ...

Страница 69: ...easure 2 How to Duplicate Problem Wireless rear speaker doesn t output a sound 2 1 Solution Replace AMP board No 12 V 2 2 How to troubleshoot Countermeasure 2 3 Service hint Any picture Remark Check LED color of RX BOX Try to remate or reset Color is yellow Replace SMPS board YES NO RIC307 RIC307 RIC308 RIC308 RIC307 RIC308 AMP board top view NO Replace AMP board Check 3 3 V YES Replace SMPS board...

Страница 70: ...less rear speaker doesn t output a sound 3 1 Solution Replace AMP board No 3 3 V 3 2 How to troubleshoot Countermeasure 3 3 Service hint Any picture Remark RIC307 RIC307 RIC308 RIC308 RIC307 RIC308 AMP board top view NO Replace AMP board Check Module or connection YES Replace SMPS board 5 VA RIC307 pin2 no input PWM 3 3 V RIC307 pin3 no output YES NO ...

Страница 71: ...r Connection Yellow LED blinks irregularly Sound cut off irregularly Red LED is turned on LED is Red Turn off the equipment that gives interference Turn off the equipment that gives interference interference interference Remate Remate Check SMPS board AMP PVDD RCN301 pin9 10 no output Check RIC308 AMP 12 V RIC308 pin4 no output Check RIC307 3 3 V RIC307 pin3 no output YES YES YES YES YES YES YES N...

Страница 72: ... 7 Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes RCN303 pin1 I2S LRCK RCN303 pin3 I2S BCK 1 2 WAVEFORMS 1 AUDIO PART I2S RCN303 pin20 I2S Audio Data 3 3 1 2 ...

Страница 73: ...5 8 Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 74: ...l rights reserved Only for training and service purposes PRINTED CIRCUIT BOARD DIAGRAMS 1 WIRELESS RECEIVER SMPS P C BOARD TOP VIEW BOTTOM VIEW 5 9 5 10 NOTE Warning Parts that are critical with respect to risk of fire or electrical shock ...

Страница 75: ...Copyright 2019 LG Electronics Inc All rights reserved Only for training and service purposes 5 11 5 12 2 WIRELESS RECEIVER AMP P C BOARD TOP VIEW BOTTOM VIEW ...

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