Instruction/ maintenance manual of the product 39LY750H LG Electronics
Go to page of 84
EZ-Manager Wizard pages 12 – 19 Custom Master TV Setup pages 32 – 35 FTG Mode of Operation pages 42 – 48 EXPERIENCED INST ALLER Commercial Mode Setup Guide Note: Selected features shown in this guide may not be available on all models. Lodging Guest Interactive Pro:Centric ® TVs © Copyright 2014 LG Electronics U.
2 206-4263 MODEL and SERIAL NUMBER The model and serial numbers of this TV are located on the back of the cabinet. For future reference, LG suggests that you record those numbers here: Model No._________________ Serial No._______________ W ARNING: TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER (OR BACK).
3 206-4263 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 accor- dance with the manufacturer ’s instructions.
4 206-4263 (Continued from previous page) 22. Outdoor Antenna Grounding If an outside antenna or cable system is connected to the product, follow the precautions below .
5 206-4263 T able of Contents S a f e t y W a r n i n g s .................................. 2 Important Safety Instructions . . . . . . . . . . . . . . . . . . . . . . 3 – 4 T a b l e o f C o n t e n t s ................................. 5 Commercial Mode Overview .
6 206-4263 Commercial Mode Overview This document describes how to set up L Y750H Pro:Centric ® TVs for Commercial Mode operation. LG commercial TV functionality is based on “ownership” of the Channel Map; that is, the Channel Map resides in the TV’ s CPU or Pr oto co l T ransl at or Ca rd (P TC) or it resides externally from the TV (i.
7 206-4263 Commercial Mode Overview (Cont.) T ypical Installer Menu TV Setup Menus Installer Menu T o cre at e a Mast er T V Set up, you wil l need to know how to acc es s the com me rci al contr ol ler (PTC ) Inst al ler Menu and make chang es to the def aul t val ues as requ ire d.
8 206-4263 FTG Mode Features FTG Mode provides the following features: • Logical tuning of physical RF channels and Aux inputs. • Logical tuning of IP channels. • Mapping of RF channels with minor (program) numbers up to 999. • FTG Channel Map of up to 600 logical channels.
9 206-4263 PICT UR E A UD IO INP UT OPT IO N TIM E Sma rtS ha r e CHA NN EL L OC K TV Setup Menus Shows that the TV is in Pass-through Mode . Function Menu Indicates the TV is not in Pass-through Mode . While the TV is in this mode, Installer Menu settings can be accessed as read-only .
10 206-4263 Pro:Centric Operation Pro:Centric Interactive Menu Features LG’ s P ro: Cen tr ic ap pli ca tio n e na ble s gue st s t o l oc ate a nd sel ec t t el evi si on ent er tai nm ent us in g .
1 1 206-4263 Pro:Centric Setup Administration and management options for the Pro:Centric server are described in detail in the Pro:Centric Server Admin Client User Guide . This document describes only those settings that must be specied on the TVs to enable Pro:Centric remote management and/or the Pro:Centric application.
12 206-4263 The prim ary purp ose of the EZ- Ma nag er Wi zar d is to gui de you thro ug h the pro ce ss (a uto mat ed or manu al) of con fi gur ing the ess en tia l Ins tal le r Menu item s for Pr o:C ent ri c ope rat ion .
13 206-4263 EZ-Manager Wizard (Cont.) Initiate Conguration or Exit the EZ-Manager Wizard The Welcome screen provides a brief introduction to the EZ-Manager wizard. EZ-Ma nager Wizar d We lcome to LG’ s EZ-Ma nager Wiz ard • Use this setup wizard to congure the TV for Pro:Centric and/or Free- T o-Guest (FTG) operation.
14 206-4263 EZ-Manager Wizard (Cont.) TV Conguration Options Fro m the TV Co ngur ation Opti ons scre en, y ou ca n c hoose how to pr oce ed wi th th e con gu ratio n of thi s T V (as sum ing y ou do not opt to e xit t he wi zar d, wh ich y ou ma y a lso d o at any t ime ).
15 206-4263 EZ-Manager Wizard (Cont.) EZ-Manager Wizard (Cont.) Note: Zo ning featu res a re only appli cable fo r T Vs th at will be co ngur ed using a T LX l e (local or remote conguration). Z EZ-Ma nager Wizar d 4 3 2 1 Zone s, Label, and Roo m Numb er CH VOL 1 2 3 4 5 6 7 8 0 9 P A G E Q.
16 206-4263 EZ-Manager Wizard (Cont.) EZ-Ma nager Wizar d Proc essing the Pro :Cen tric Conf igurat ion... Appl icatio n fil es Main tenanc e fil es – Upd ating Co nfigur atio n File W arn ing - Do n ot remo ve A C pow er or th e signa l cable s durin g these ste ps 20% GEM a pp downl oaded In pr ogress.
17 206-4263 EZ-Manager Wizard (Cont.) Manual Pro:Centric Conguration 1. With the Searching for Pro:Centric Server screen on display , use the arrow keys on the Installer Remote to select/highlight the Manual Pro:Centric option at the bottom right of the screen, and press OK .
18 206-4263 (Continued from previous page) 4. Once all elds are completed as required, you have two options (see also note below): • T o sa ve t he da ta en tere d a nd e xit the wi zard , u se t he arro w key s to se lect Ex it a nd then pr ess O K .
19 206-4263 EZ-Manager Wizard (Cont.) The procedure below assumes that the desired le(s) is/are already loaded onto the USB device. For further information on USB Download Menu functions and le requirements, and/or for information on creating conguration les, refer to the appropriate section(s) in this document.
20 206-4263 LG Smart Install Utility The LG S mart Insta ll utili ty en ables yo u to selec t mul tip le l es at one tim e fro m the les lo aded on a USB memo ry de vice.
21 206-4263 Comp lete The TV will reboo t in 2 second(s ). Insta lled C omponents Mainten ance File : xxL Y750H-UA0 0001.TL X Boot Lo go File : Splash- Image-1920-x- 1080.
22 206-4263 Installer Menu Use the Installer Menu to set up, change, or view operational settings. This section describes how to access, use, and exit the Installer Menu from the TV itself. However , you should also refer to the Installer Menu descriptions in this document if you are conguring the TV using an FTG Conguration (.
23 206-4263 As part of th e Ins tal ler M enu h eader (i n all mode s), t wo 3-cha racte r acr ony ms ar e dis playe d t o ind icate the TV ’s c urren t con gura tion mode. The t able bel ow li sts a ll po ssi ble m ode i denti er s for thes e TV mod els.
24 206-4263 Installer Menu (Cont.) Installer Menu Items 000 through 071 Item Function V alue Range Default V alue Brief Description of Function 000 INST ALLER SEQ 0 ~ 3 0 Leave default set to 0. 001 POWER MANAGE 0 ~ 7 0 Sets number of hours of no activity before automatic shutoff.
25 206-4263 Installer Menu Items 073 through 122 Item Function V alue Range Default V alue Brief Description of Function 073 CH NOT A VBLE 0 / 1 0 If set to 1 and item 028 CH. OVERIDE is set to 0, a “CHANNEL NOT A V AILABLE” message is displayed if user attempts to direct tune a channel that is not included in the channel lineup.
26 206-4263 Installer Menu (Cont.) 000 - INST ALLER SEQUENCE Species entry sequence to the Installer Menu. 0 = 9876 1 = 4321 2 = 1478 3 = 3698 001 - POWER MANAGE (Power Management) Determines hours of no activity before automatic shutoff. The Power Management function is for saving energy .
27 206-4263 Installer Menu (Cont.) 008 - MIN VOLUME (Minimum V olume) This function determines the minimum volume level allowable with the V olume (VOL) Up/Down control. In this way , for example, someone cannot set the volume too low to hear . The value range is from 0 to 63.
28 206-4263 Installer Menu (Cont.) 030 - ACK MASK MPI Communication Parameter . When set to 1, enables ACK feature of MPI. 031 - POLL RA TE MPI Commu nicati on Pa ram eter . Sel ects p oll r ate for M PI. St ep siz e of 1 6 ms. Chang ing from defaul t may af fect commu nicati on vi a MPI .
29 206-4263 078 - UPN MSB (UPN Most Signicant Byte) User programmable number , most signicant byte readable by MPI command. Note: Not linked to serial number . 079 - UPN MSB-1 (UPN Most Signicant Byte-1) User programmable number , most signicant byte-1 readable by MPI command.
30 206-4263 096 - DEF . ASP . RA TIO (Default Aspect Ratio) Selects default aspect ratio at power up: 0 = Set By System 1 = 4:3 2 = 16:9 (default) 3 = Just Scan 4 = Zoom Note: This item is not available in the Installer Menu unless item 106 ASP RA TIO LOCK is set to 0.
31 206-4263 1 17 - F ACT DEF AUL T (Factory Default) Set to 1 and press OK to restore the factory default settings of all Installer Menu items. Once complete, the value returns to 0. Cau tion: If set to 1 , t his cl ears a ll In sta ller M enu cu stom set tings and re store s t he fac tory d efaul t s etting s.
32 206-4263 Custom Master TV Setup Thi s sec tion des cribe s how to create a customized Master TV Setup for clo ning pur poses when the T V is in Pas s-thr ough Mod e. Note: Clo ning requi remen ts and p roced ures are desc ribed in d eta il on page s 37 to 41.
33 206-4263 Custom Master TV Setup (Cont.) Custom Master TV Setup Procedure 1. T urn ON the TV . The next step depends on whether the EZ-Manager Wizard appears on the screen when you turn ON the TV : • If th e wiz ard i s dis pla yed, th e TV is i n the requ ired facto ry de fau lt st ate.
34 206-4263 Use the TV setup menus to set the TV features to the desired configuration for the end user . PICT URE AU DIO INP UT OPT ION TIM E Sma rtShar e CHA NNEL L OCK Custom Master TV Setup (Cont.
35 206-4263 Custom Master TV Setup (Cont.) 6. (PTC cloning only / Optional) Add Custom Channel and Aux Input Labels: 2-5-4 + MENU Mode 2-5-4 + MENU Mode enables you to add/edit channel icons and cus tom text labe ls in the PTC Ch ann el Map once the Mas ter TV Setu p has been transferred as described in the previous step.
36 206-4263 Channel Icons / Custom T ext Labels (2-5-4 + MENU Mode) Changing a Channel’ s Icon on the Master TV 1. Use Channel Up/Down to select the desired channel. 2. Use the Left/Right arrow keys to select the thin letter “ I ” on the Channel-T ime display .
37 206-4263 Cloning Procedures Cloning Overview Clonin g refers to the proce ss of capturing a Master TV Setup and transfer ring it to a T arget TV that is to remai n in Pass- throug h Mode.
38 206-4263 Cloning Procedures (Cont.) Learn Setup from Master TV 1. Ensure the Master TV is set up completely and in Pass-through Mode (i.e. , the TV set up me nus sh ould be di splayed wh en you pre ss MEN U SETTI NGS on the Insta ller Remot e). 2. Insert the USB memory device into either of the USB ports on the Master TV .
39 206-4263 Cloning Procedures (Cont.) (Continued from previous page) 3. If the Master TV Setup contains a TV Zone # and/or a Wi-Fi Zone # assignment, make sure to assign the same Zone designation(s) in the T arget TV at this time. See Reference section, “Using the TV’s Zoning Features,” for further information.
40 206-4263 Learning / T eaching a Master TV Setup using a TLL File This section describes how to Learn and/or T each a Master TV Setup using a TLL le. Before Y ou Begin • Ensure the USB device has been formatted with F A T format. • Learning and T eaching is only possible between identical model TVs.
41 206-4263 Cloning Procedures (Cont.) T each T o TV (TL L) Previous OK xxL Y750H-UA00 001.TLL T ea ch T o TV UPDA TING... Do n ot remov e the U SB from the por t! Do not u nplug! 50% ! USB Dow nload .
42 206-4263 FTG Mode of Operation This section describes how to create an FTG Configuration (.tlx) file using the FTG File Manager . It also describes how to locally configure a TV for FTG Mode operation. See also the FTG Mode overview on pages 7 to 8 for further information on FTG Mode.
43 206-4263 FTG Mode of Operation (Cont.) (Continued from previous page) Note: T o clear the current TLX File Contents, click the New button in the TLX File command section of the FTG File Manager main screen (above the TLX File Contents window). 3. T o add an FTG Channel Map to the FTG Configuration List, cli ck un de r FTG Channel Map.
44 206-4263 T eaching FTG Conguration to a TV Thi s sec tion descr ibe s how to transfer (T each) an FTG C ongu rat ion le fr om a USB memo ry dev ice t o a TV us ing t he US B Dow nload Menu “T each T o T V ( TLX)” opti on.
45 206-4263 T ea ch T o TV UPDA TING... Do not u nplug! 50% T each T o TV (TL X) Previous OK xxL Y750H-UA00 005.TLX USB Dow nload M enu Upgrade TV Softwa re Upgrade PTC So ftware Diagnos tics T each T o TV (TL L) T each T o TV (TL X) Previous OK Note: The Diagnostics option in this menu is for service use only .
46 206-4263 Learning FTG Conguration from a TV T o ensure that dec rypti on of Pro:I diom enc rypte d cha nnels is enabled, it is recommended that you create an FTG Configuration file using the FTG File Manager as described on pages 42 to 43.
47 206-4263 FTG Mode of Operation (Cont.) (Continued from previous page) 5. Use the Up/Down arrow keys to select Learn From TV (TLX) , and then press OK . 6. In the Learn From TV (TLX) window , to differentiate this TLX le from others, you can use the Up/Down arrow keys to change the last ve digits of the lename.
48 206-4263 FTG Mode of Operation (Cont.) (Continued from previous page) 3. Use the Installer Remote to access the PTC Installer Menu (see “Accessing the Installer Menu” on page 22 for further information). 4. Set Installer Menu item 003 BAND/AFC , as appropriate.
49 206-4263 FTG CONFIGURA TION LIST Data to be saved in FTG Configuration (.tlx) file. FTG File Manager Utilities Overview Note: The data referenced in the FTG Conguration List is only a snap- shot of the current FTG Channel Map and FTG Installer Menu settings when copied to the list.
50 206-4263 FTG File Manager Utilities Overview (Cont.) FTG Channel Map Conguration Utility The FTG Channel Map Configuration Utility enables you to create, view , edit, and print a Logical Channel Map. PRINT MAP Click to display a printable FTG Channel Map Report.
51 206-4263 FTG File Manager Utilities Overview (Cont.) DELETE Click to remove highlighted channel from FTG Channel Map. ADD After defining a new Logical Channel, click to add channel to the FTG Channel Map. FTG Channel Map Editor The FTG Channel Map Editor shows a single Logical Channel’s data and the FTG Channel Map.
52 206-4263 FTG File Manager Utilities Overview (Cont.) CONFIGURA TION SETTINGS Select tabs for categories of Installer Menu items to set up TV . FTG Installer Menu Conguration Utility Notes: • The Pro:Centric tab enables you to set up Pro:Centric-specic parameters.
53 206-4263 IP Environment Setup IP En viro nmen t OK Mo ve IP En viro nmen t OK Mo ve • Ne tw or k C on nec ti on • Ne tw ork S tat us • IP S tr ea m Co nt rol • Pr o: Cen tr ic • W ak e On LA N • Me di a S ha re • Pr e- loa de d Ap ps Wire less Netwo rk Connecti on Sele ct the type of netw ork.
54 206-4263 IP Environment Setup (Cont.) Netwo rk Connecti on Confi gure IP and DNS modes . Auto (DH CP) or Stat ic OK Static DNS Mode 0 0 0 0 IP Mod e Auto (DH CP) IP Address Subne t Mask Gatew ay 0 0 0 0 0 0 0 0 Static Auto (DH CP) DNS Serv er 0 0 0 0 Wired Network Connection 1.
55 206-4263 IP Environment Setup (Cont.) Netwo rk Connecti on Wire less netwo rk is connect ed. Comp lete Wir eless : Netw orkNa me TV Gateway DNS Intern et MAC Addr ess : AA :BB:C C:DD:E E:23 Gatewa y : 10. 10.10 .10 IP A ddress : 10. 2.3.4 DNS Ser ver : 10.
56 206-4263 IP Environment Setup (Cont.) Netwo rk Status Wire d netw ork is connec ted. Comp lete MAC Addr ess : AA :BB:C C:DD:E E:23 Gatewa y : 10. 10.
57 206-4263 IP Environment Setup (Cont.) Pro:Centric Setup Pro :Cent ric o ption s e nable you to co ng ure t he TV with the app ropri ate s ettin gs to co nnect to t he Pro:C entri c ser ver . Use t he Up/ Down arrow keys on the Insta ller Rem ote t o nav igate be tween el ds.
58 206-4263 IP Environment Setup (Cont.) IP En viro nmen t OK Mo ve IP En viro nmen t OK Mo ve • Ne tw or k C on nec ti on • Ne tw ork S tat us • IP S tr ea m Co nt rol • Pr o: Cen tr ic • W.
59 206-4263 IP Environment Setup (Cont.) 1. With the I P Envi ron ment Menu on di spl ay , u se the a rrow keys on the I nstal ler R emo te to sele ct Me dia Shar e .
60 206-4263 IP Environment Setup (Cont.) Pre-loaded Applications This option allows you to select which of the pre-loaded application icons to display on this TV’ s Application Launch bar . The Application Launch bar is available when the Pro:Centric application is disabled.
61 206-4263 Remote Jack Pack Setup RJP Available? If you will use a Remote Jack Pack (RJP) in your system, set Installer Menu item 093 RJP A V AILABLE appropriately (for example, on a legacy model RJP: HDMI Mode, set RJP A V AILABLE to 1). See Installer Menu detailed descriptions for further information.
62 206-4263 Reference: Upgrading TV/PTC Software using a USB Memory Device This section describes how to update TV (CPU) and/or PTC software using the USB Download Menu, though you may also use the LG Smart Install utility to upgrade software, if desired.
63 206-4263 Re fer enc e: Do wnlo adi ng a S pla sh S cre en usi ng a USB Me mo ry Devi ce Thi s sec tion descr ibe s how to d ownlo ad a spl ash s creen im age u sing the U SB Dow nload Menu , tho ugh you may a lso u se the L G Sma rt In sta ll ut ility to d own load the spla sh im age, if desir ed.
64 206-4263 Reference: Power Consumption Settings The following tables assume that Installer Menu item 099 BACK LIGHTING is set as shown below (default value is 255).
65 206-4263 Reference: TV Aux Input Conguration DIRECT ACCESS T uning * TV ENABLE MPI DA T A Installer Menu Item 046 ST ART AUX SRCE (Start Aux Source) V alue Installer Menu MPI DA T A ST A TUS TYP.
66 206-4263 Reference: Auto Input(s) Sensing Feature This section provides detailed settings information for Installer Menu item 042 AUTO INPUTS. T o disable auto-sensing for all available Aux inputs, set item 042 to 0. T o enable auto-sensing for all available Aux inputs, set item 042 to 255.
67 206-4263 Reference: Auto Input(s) Sensing Feature (Cont.) Item 042 V alue Inputs Installer Menu Display A V1 HDMI 1 HDMI 2 HDMI 3 001 Enabled Disabled Disabled Disabled DDDXXXX0 032 Disabled Disabl.
68 206-4263 Reference: RJP Model List & Input Auto-sensing Hierarchy RJP Legacy Models • RJP-101M • RJP-101ML • RJP-1 10F • RJP-1 10FW • RJP-1 10W • RJP-1 10WBR • RJP-1 10S • RJP-1.
69 206-4263 This section describes how to restore all factory defaults or just the Installer Menu factory defaults either on a single TV that is currently in Pass-through or FTG Mode or on multiple TVs that are currently in FTG Mode.
70 206-4263 Reference: Using the TV’ s Zoning Features Thi s sec tion descr ibe s the TV Zo ning and W i-Fi Zon ing f eatur es av ail able with the L Y750 H mod el T Vs.
71 206-4263 Reference: Using the TV’ s Zoning Features (Cont.) Note: While a channel can be restricted from up to eight Zones, a TV can only ever be in (set for) one Zone. Se e als o the FTG Cha nnel Map E ditor ov ervie w on page 5 1. At the s ame t ime, kee p in mind that the TV Zone de signa tions are not mutu ally exclu siv e.
72 206-4263 Reference: Using the TV’ s Zoning Features (Cont.) Using the Wi-Fi Zoning Feature with Cloning Conguration A loc atio n-s peci c Wi-F i c ong ura tion / T LX le ma y be save d (Le arned ) fr om an indi vidu al TV as part of a Mas ter TV Set up a nd then be u sed d uring T eac hing.
73 206-4263 (Continued from previous page) • Label: Allows you to select a North, South, East, or West text label for this TV . Use the Up/Down arrow keys to select the applicable label. • Ro om Numbe r: Allo ws you t o spe cify the numb er of the roo m in which the TV i s loc ated.
74 206-4263 When the TV’s Wi-Fi Screen Share and DMR options are enabled in the IP Environment / Media Share Menu (see “Accessing the IP Environment Menu” and “Media Share Setup” on pages 53.
75 206-4263 Rescan On < > Close 1/1 Device name Connection LG -P9 30 Wi-Fi Direct pop-up window display is the same whether the TV is or is not in Pass-through Mode. Wi-F i Dir ect Wi-F i Dire ct connect s a device witho ut A P . Share file s usin g Wi-F i Direc t with Smart Share™.
76 206-4263 Reference: Wi-Fi Screen Share Features (Cont.) Smart Mirroring / WiDi With the Smart Mirroring / WiDi pop-up window on display , use the following procedure to turn ON Smart Mirroring and WiDi and establish a connection.
77 206-4263 SP EAKE R OU T LI NE O UT PT C SE RVI CE (SE RVI CE O NL Y) RJP RE SE T MPI RS-2 32C IN (C ONT ROL & SE RVI CE) AN TEN NA / CA BLE I N LA N AU X LA N OP TI CA L DI GI T AL AU DI O OU T.
78 206-4263 Reference: External Stereo Speaker Setup SPEAKER OUT LINE OUT 1 LEFT (T ip) 2 RIGHT (Ring) 3 GROUND (Sleeve) 1 3 2 The three-contact (left, right, ground) SPEAKER OUT 3.
79 206-4263 Reference: Installer Remote Control T ypical Key Functions The LG Installer Remot e is suppli ed with and dedicated to operate the TV . The LG Installer Remote illustrated below shows typical remote control functions and is provided for reference only .
80 206-4263 T roubleshooting General T roubleshooting Some Quick and Easy T ips for Resolving Problems Installation Symptom Possible Cause(s) Possible Solution(s) Cannot direct enter channel number . (TV in Pass-through Mode) Installer Menu item 028 CH.
81 206-4263 T roubleshooting (Cont.) Commercial Mode Check TV turned ON? Y es No Press POWER on Installer Remote. TV is not in Commercial Mode. Call T echnical Support for assistance. TV is in Commercial Mode. No On-screen menu display no longer toggles? Y es Press MENU SETTINGS repeatedly as if to access the Installer Menu.
82 206-4263 Glossary of T erms Channel Lineup Channels set in the TV memory , via Auto T uning/manual editing. Cloning The process of capturing a Master TV Setup and transferring it to a T arget TV using a USB memory device.
83 206-4263 Document Revision History / Open Source Software Notice Open Source Software Notice Document Revision History Date Description June 2014 Revision A: New document Product documentation is available online at: www .
206-4263 Revision A © Copyright 2014 LG Electronics U.S.A., Inc. For Customer Support/Service, please call: 1-888-865-3026 www .LGsolutions.com Pro:Idiom is a registered trademark of Zenith Electronics LLC. Pro:Centric is a registered trade- mark of LG Electronics Inc.
An important point after buying a device LG Electronics 39LY750H (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought LG Electronics 39LY750H yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data LG Electronics 39LY750H - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, LG Electronics 39LY750H you will learn all the available features of the product, as well as information on its operation. The information that you get LG Electronics 39LY750H will certainly help you make a decision on the purchase.
If you already are a holder of LG Electronics 39LY750H, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime LG Electronics 39LY750H.
However, one of the most important roles played by the user manual is to help in solving problems with LG Electronics 39LY750H. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device LG Electronics 39LY750H along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center