Related Manuals for Hisense 65U8HQ
Summarization of Contents
TV Boards
Main Board Layout
Visual representation of the main board's top and rear sides with component identification.
Wiring Diagram
Detailed diagrams illustrating cable connections and pin assignments between boards.
TV Boards Part List
A list of main boards, detailing their functional differences and compatibility with different models.
Ties, Clamps and Tapes
Guidance on the correct positioning of ties, clamps, and tapes during the television assembly process.
Factory/Service OSD Menu and Adjustment
Remote Control
Explanation of the functions of each button on the TV's remote control for operation.
Factory OSD Menu
Comprehensive overview of the factory OSD menu, its options, and associated parameters.
Software Upgrading
USB Upgrade
Detailed instructions for updating the TV's software using a USB drive in user or factory modes.
Flash Tool Upgrading
Procedure for firmware updates using a flash tool via serial port connection, useful for recovery.
Troubleshooting
Troubleshooting for Remote Control
A systematic guide to diagnose and fix issues when the remote control is not functioning correctly.
Troubleshooting for Function Key
A guide to diagnose and resolve problems related to the TV's physical control buttons.
TV won't Power On
A diagnostic flowchart to troubleshoot the common and critical issue of the TV failing to power on.
Troubleshooting for Audio
A guide to diagnose and resolve issues related to the absence of sound from the television.
Troubleshooting for TV/VGA/HDMI Input
A diagnostic flowchart to resolve issues where no picture is displayed for TV, VGA, or HDMI inputs.
Troubleshooting for YPbPr Input
A guide to diagnose and fix problems related to no picture display on the YPbPr input.
Troubleshooting for Video Input
A guide to diagnose and resolve issues where no picture is displayed for composite video input.
Signals Block Diagram & Power Assign & Schematic Diagram
AC Power-On Sequence
Timing diagram illustrating the sequence of events during AC power-on and system startup.
DC Power-On Sequence
Timing diagram illustrating the sequence of events during DC power-on and system startup.
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