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Critical safety instructions for service technicians. Do not alter original design.
Procedures to prevent electrical shock and equipment damage during service.
Handling precautions for sensitive electronic components to prevent static damage.
General information on LG LCD TV models and service policies.
Details on VESA flat display mounting interface standards.
How to connect a computer to the TV for video display.
Illustrations and models of remote controls for different TV series.
Explanation of terms like viewing angle, IPS, peak brightness, contrast ratio, and response time.
Descriptions of various input/output connections found on LCD TVs.
Explanation of the properties and behavior of liquid crystals.
Overview of the backlight, liquid crystal panel, and driving circuit.
Detailed cross-section of an LCD panel, explaining polarizers and TFT elements.
Comparison of LCD advantages and disadvantages against CRT and Plasma displays.
Introduction to LG/Zenith LCD TV models and common technical terms.
Explanation of older Zenith and LG/Zenith product model number structures.
Details on model number decoding for older LG and current LG/Zenith products.
Explanation of the 2006 LG/Zenith model number structure.
Specifications and features for 10, 13, and 15-inch LG/Zenith LCD models.
Specifications and features for 17 and 20-inch LG/Zenith LCD models.
Specifications for 23, 26/27, and 30-inch LG/Zenith LCD models.
Specifications for 32 and 37-inch LG/Zenith LCD models.
Power supply flowchart and troubleshooting for 15" LCD models.
Video flowchart and troubleshooting for 15" LCD models.
Audio flowchart and troubleshooting for 15" LCD models.
Overview of circuit boards for 30" HD monitors.
Voltage diagram and troubleshooting for 30" LCD power supply.
Video flowchart and troubleshooting for 30" LCD models.
Audio flowchart and troubleshooting for 30" LCD models.
Overview and wiring diagram for 32" CableCard models.
Description of the tuning system components for CableCard models.
Troubleshooting steps for 32" LCD power supply issues.
Troubleshooting for no video, slow motion, ghosting, and color tint issues.
Troubleshooting for low DTV audio, auto volume, and no sound issues.
Instructions for updating firmware using a memory card.
How to verify the TV's hardware version for firmware compatibility.
Step-by-step guide for updating firmware using the normal method.
Guide for updating firmware using the expert method for various versions.
Instructions for disassembling smaller screen LCD TVs (10"-23").
Disassembly steps for 30" and larger screen models.
Further disassembly steps for large screen LCD TVs.
Exploded views to assist with disassembly and reassembly.
Illustrated exploded view of the L10V22 model for disassembly.
Illustrated exploded view and part list for the L13V36 model.
Illustrated exploded view and part list for the L15V26 model.
Illustrated exploded view and part list for the L15V26B model.
Illustrated exploded view and part list for L15V26C & L15V24S models.
Illustrated exploded view and part list for the L15V36 model.
Illustrated exploded view and part list for the RU-15LA61 model.
Illustrated exploded view and part list for the 15LA6R model.
Illustrated exploded view and part list for the L17W36 model.
Illustrated exploded view and part list for the L17W36DVD model.
Illustrated exploded view and part list for the 17LX1R model.
Illustrated exploded view and part list for the RU-17LZ50C model.
Illustrated exploded view and part list for the L20V26 model.
Illustrated exploded view and part list for the L20V36 model.
Illustrated exploded view and part list for the L23W36 model.
Illustrated exploded view and part list for the 26LX1D model.
Illustrated exploded view and part list for the L30W26 model.
Illustrated exploded view and part list for the L30W36 model.
Illustrated exploded view and part list for the 32LP1D model.
Illustrated exploded view and part list for the 37LP1D model.
Illustrated exploded view and part list for the 42LP1D model.
Explanation of DCR televisions and their need for CableCARD.
Key points of the agreement between cable operators and the CE industry.
Glossary of CableCARD terms and list of key vendors and operators.
Diagram and explanation of the DCR architecture and signal flow.
Details on frequency bands for cable signals and data transmission.
Steps for activating CA and CP services and validation requirements.
List of core functions provided by DCR and CableCARD.
How to use the Cable Menu and MMI for CableCARD functions.
Information on digital certificates for TV and CableCARD identification.
When and how to perform a CableCARD reset for troubleshooting.
Overview of the Emergency Alert System and its modes.
How to access and interpret the Host Diagnostics menu for CableCARD status.
Table detailing error conditions, failure mechanisms, and error codes (1-12).
Table detailing error conditions, failure mechanisms, and error codes (13-24).
Table detailing error conditions, failure mechanisms, and error codes (25-36).
Table detailing error conditions, failure mechanisms, and error codes (37-50).
Table detailing error conditions, failure mechanisms, and error codes (51-63).
A guide to troubleshooting common CableCARD related problems by operation.
Steps to confirm CableCARD operation and check system status.
Recommended steps for installers to troubleshoot CableCARD issues at home.
Table showing how to access diagnostic screens for DCR TVs.
How to access and interpret the Host Diagnostics menu for CableCARD status.
Explanation of the TV Guide On Screen system and its interface elements.
How to receive and use TV Guide services via OTA or cable.
Accessing and understanding system information and setup options.
Step-by-step flowchart for setting up the TV Guide On Screen system.
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