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Specifies the model and chassis details for the service manual.
Important warning to read safety precautions before servicing.
Key safety points for servicing, emphasizing special safety parts.
Details procedures for cold and hot checks of AC leakage current.
Covers unplugging, testing, cleaning, and general handling during service.
Techniques to prevent damage to ES devices from static electricity.
Specifies environmental, power conditions and testing standards for components.
Details supported resolutions, frequencies, and pixel clocks for HDMI inputs.
Lists automatic 3D input modes for HDMI 1.4b, including resolution and signal types.
Details automatic adjustments, including ADC and equipment requirements.
Explains EDID/DDC overview, equipment, and download method.
Lists required equipment and RS-232C commands for auto-adjustment.
Instructions for testing 3D functionality using a pattern generator and specific HDMI modes.
Visual breakdown of internal parts with numbered references.
Reiterates safety warnings regarding special safety parts and design modifications.
Comprehensive list of parts with their part numbers, simple descriptions, and detailed specifications.
Pinout and connections for the LG1154D H13D main processor chip.
Schematics for USB, eMMC, and normal power supply circuits.
Schematics for USB 3.0 downstream ports, including OCF USB1 and controllers.
Diagram showing the RS-232C control interface connections and components.
Image of the main PCB with numbered components identified by function.
Block diagram illustrating signal paths for HDMI, DDR, URSA9, and other interfaces.
Diagram showing tuner, AV, HDMI, USB, and LAN external interfaces connected to H13.
Shows connections from H13 to D14, U14, URSA9, and other ICs.
Block diagram of the D14 processor, showing CPU, memory, and peripheral interfaces.
Block diagram of URSA9, showing its connections to panel, DDR, U14, and other interfaces.
Steps for initial checks, including cables and backlighting visibility.
Troubleshooting steps involving checking power board output and T-con board.
Initial checks for power LED status, cable connections, and ST-BY voltage.
Steps to measure power board output voltages and replace components.
Steps involving checking user menu settings, speaker status, and power board voltage.
Procedures for checking speaker disconnection and replacing the main board or speaker.
Steps to check R/C operation, cable connection, battery, and IR output.
Steps to check Wi-Fi MAC value, wafer pin, and voltage.
Procedures for checking Wi-Fi cable connection and replacing the Wi-Fi assembly.
Steps to identify and locate circuit or mechanical noise.
Images showing common main board defects like solder issues and power section abnormalities.
Specifies the model and chassis details for the service manual.
Important warning to read safety precautions before servicing.
Key safety points for servicing, emphasizing special safety parts.
Details procedures for cold and hot checks of AC leakage current.
Covers unplugging, testing, cleaning, and general handling during service.
Techniques to prevent damage to ES devices from static electricity.
Specifies environmental, power conditions and testing standards for components.
Details supported resolutions, frequencies, and pixel clocks for HDMI inputs.
Lists automatic 3D input modes for HDMI 1.4b, including resolution and signal types.
Details automatic adjustments, including ADC and equipment requirements.
Explains EDID/DDC overview, equipment, and download method.
Lists required equipment and RS-232C commands for auto-adjustment.
Instructions for testing 3D functionality using a pattern generator and specific HDMI modes.
Visual breakdown of internal parts with numbered references.
Reiterates safety warnings regarding special safety parts and design modifications.
Comprehensive list of parts with their part numbers, simple descriptions, and detailed specifications.
Pinout and connections for the LG1154D H13D main processor chip.
Schematics for USB, eMMC, and normal power supply circuits.
Schematics for USB 3.0 downstream ports, including OCF USB1 and controllers.
Diagram showing the RS-232C control interface connections and components.
Image of the main PCB with numbered components identified by function.
Block diagram illustrating signal paths for HDMI, DDR, URSA9, and other interfaces.
Diagram showing tuner, AV, HDMI, USB, and LAN external interfaces connected to H13.
Shows connections from H13 to D14, U14, URSA9, and other ICs.
Block diagram of the D14 processor, showing CPU, memory, and peripheral interfaces.
Block diagram of URSA9, showing its connections to panel, DDR, U14, and other interfaces.
Steps for initial checks, including cables and backlighting visibility.
Troubleshooting steps involving checking power board output and T-con board.
Initial checks for power LED status, cable connections, and ST-BY voltage.
Steps to measure power board output voltages and replace components.
Steps involving checking user menu settings, speaker status, and power board voltage.
Procedures for checking speaker disconnection and replacing the main board or speaker.
Steps to check R/C operation, cable connection, battery, and IR output.
Steps to check Wi-Fi MAC value, wafer pin, and voltage.
Procedures for checking Wi-Fi cable connection and replacing the Wi-Fi assembly.
Steps to identify and locate circuit or mechanical noise.
Images showing common main board defects like solder issues and power section abnormalities.
General
