LG LHT754 Troubleshooting Manual
Home theater in a box
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Also See for LHT754:
- Owner's manual (41 pages) ,
- Specifications (2 pages) ,
- Training manual (63 pages)
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Table of Contents
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Summary of Contents for LG LHT754
- Page 1 Troubleshooting LHT754 Home Theater In A Box Home Theatre Troubleshooting - 2007...
- Page 2 Overview of Topics to be Discussed •Features •Power Supply •Front Display •Loader •Amplifier Section •Main Control Home Theatre Troubleshooting - 2007...
- Page 3 Home Theatre Overview Troubleshooting Safety Rules Safety & Handling Regulations 1. Approximately 10 minute pre-run time is required before any adjustments are performed. 2. Do not exceed Higher voltage than is required for the product. 3. Be cautious of electric shock from the PBC modules since the modules use high voltage, and it is recommended that you should not touch the drive circuits for at least one minute because of residual current stored.
- Page 4 Enjoy hundreds of channels of XM Satellite Radio (subscription required) with an optional XM Mini-Tuner Antenna. LG SIMPLELINK Allows for convenient control of other LG SimpLink products using the existing HDMI™ connection. MSRP : $329.95 Home Theatre Troubleshooting - 2007...
- Page 5 FEATURES Home Theatre Troubleshooting - 2007...
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Page 6: Dvd Specifications
DVD Specifications The DVD specification supports the MPEG video information on a DVD disc in one of the two formats required for incompatible television systems: the 525/60 NTSC or 625/50 PAL/SECAM video standard. The program material recorded on a DVD disc can belong to only one of the two video standards, not both. -
Page 7: Dolby Digital Audio
Dolby Digital Audio Dolby Digital soundtracks are very popular with many commercial DVD-Video releases. However, the DVD specification does not require that the soundtrack have to be Dolby Digital. There are other formats such as MPEG audio, PCM audio, and DTS. Dolby Digital, DTS, and MPEG audio record audio samples in compressed format while PCM audio samples are uncompressed. - Page 8 Some DVD packaging has small letters or icons under the Dolby Digital logo that indicates the channel configuration. In many cases, there are often more than one Dolby Digital version of a soundtrack: a 5.1-channel track, and a track remixed for stereo Dolby Surround. Your DVD player may indicate the playback of a Dolby Digital audio track while your receiver indicates Dolby Surround.
- Page 9 DIVX DivX® is a technology to compress and playback video files. DivXNetworks creates and distributes this technology which is often referred to as the "MP3 of video". In a nutshell, DivX® has revolutionized the creation, playback and distribution of high-quality digital video. DivX®...
- Page 10 MADE FOR IPOD The LHT754 iPOD Dock lets you connect your iPod to this receiver. You can listen to your iPod music and watch iPod images and movies on your monitor via the receiver. You can also operate your iPod via the receiver’s remote unit with the On-Screen Display and charge your iPod.
- Page 11 PLAYS WINDOWS MEDIA (continued) Criteria specific to CD Players CD Players must support playback of .WMA files at bit rates between 64k and 160k inclusive. CD Players must ignore any files that they cannot play, they should be skipped. CD Players must support CD-ROM, CD-R and CD-RW. CD Players must support at least ISO 9660 level 2 file names (31 character names including separator).
- Page 12 JPEG One of the hottest topics in image compression technology today is JPEG. The acronym JPEG stands for the Joint Photographic Experts Group, a standards committee that had its origins within the International Standard Organization (ISO). In 1982, the ISO formed the Photographic Experts Group (PEG) to research methods of transmitting video, still images, and text over ISDN (Integrated Services Digital Network) lines.
- Page 13 SYSTEM INFORMATION MENU System Information menu can be accessed by performing the following remote key sequence SETUP > TV Aspect > 16:9 > 1,3,9,7,1,3,9,ENTER Home Theatre Troubleshooting - 2007...
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Page 14: Divx Registration
DIVX Registration http://www.vod.divx.com DivX VOD is a digital video delivery service that lets you rent or purchase DivX movies from any of our licensed VOD partners. These movies are encoded in the DivX format to offer you superior quality video and the fastest download times. -
Page 15: Unit Layout
Unit Layout Home Theatre Troubleshooting - 2007... -
Page 16: Power Supply
Power Supply Home Theatre Troubleshooting - 2007... - Page 17 Home Theatre Troubleshooting - 2007...
- Page 18 Power Supply CN902 1~4 : 35V 5~9 : GND 10 : 3.5V 11 : P-CTRL 12 : +12V 13 : P-SENSE 14 : WIRELESS CN901 1 : VKK 2 : FL+ 3 : FL- 4 : GND 5 : +12V 6 : -12V 7~8 : 3.5V 9~11 : GND...
- Page 19 Power Supply Home Theatre Troubleshooting - 2007...
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Page 20: Block Diagram
Block Diagram Home Theatre Troubleshooting - 2007... - Page 21 Vacuum Tube Fluorescent display Home Theatre Troubleshooting - 2007...
- Page 22 A vacuum fluorescent display (VFD) is a type of display used commonly on consumer-electronics equipment such as video cassette recorders, radios, and microwave ovens. Unlike liquid crystal displays, a VFD emits a very bright light with clear contrast and can easily support display elements of various colors.
- Page 23 DIS301 FL DISPLAY IC301 PT6315 Home Theatre Troubleshooting - 2007...
- Page 24 The picture below is the VFD used in the LHT754 Home Theatre System. This is a 14 segment Alpha-Numeric display device Home Theatre Troubleshooting - 2007...
- Page 25 LOADER Home Theatre Troubleshooting - 2007...
- Page 26 Sled Motor Laser Assy Spindle Motor Tray Motor Home Theatre Troubleshooting - 2007...
- Page 27 AMPLIFIER Home Theatre Troubleshooting - 2007...
- Page 28 Surround Sound Audio 7VDC Output Jack AM / FM Tuner Speaker Outputs Digital Optical MICOM EEPROM DSP IC MOS Audio Amplifier Heat Sink Home Theatre Troubleshooting - 2007...
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Page 29: Main Control
Main Control Home Theatre Troubleshooting - 2007... - Page 30 Servo Control IC Component/Composite Outputs Interface Control IC MPEG Decoder Flash Rom Satellite Antenna input Ram Memory iPOD Link HDMI Output HDMI Transmitter Home Theatre Troubleshooting - 2007...
- Page 31 The END! Home Theatre Troubleshooting - 2007...