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Details technical parameters like mains voltage, frequency, power consumption, and audio output specs.
Describes the pinouts and signal specifications for EXT1 and EXT2 external connectors.
Essential safety precautions and regulations required for performing repairs on the television set.
Important warnings regarding electrostatic discharge (ESD), high voltage, and general repair safety.
Instructions for connecting external devices like VCRs, DVD players, and game consoles to the TV.
Lists key test points on the PCB and their corresponding functional blocks for diagnostics.
Introduces Service Default Mode (SDM), Service Alignment Mode (SAM), and the DST for advanced diagnosis.
Explains the diagnostic capabilities of service modes (SDM, SAM) and the RC7150 remote control.
Explains the purpose, entry, exit procedures, and predefined settings of the Service Default Mode.
Explains the purpose of SAM for tuning, white tone, geometry, and sound adjustments.
Details the various submenus within service modes, including Tuner, White tone, Audio, and Geometry.
Explains how error codes are stored and lists specific error codes with their potential causes.
Explains how the error buffer stores detected faults and the conditions under which it is cleared.
Lists specific error codes and their associated symptoms, protections, and potential component failures.
Explains how to use the blinking LED indicator to diagnose errors, especially when the screen is blank.
Provides practical troubleshooting tips for common issues in the deflection and power supply circuits.
Troubleshooting tips specifically for the horizontal and vertical deflection circuits and related components.
Troubleshooting tips for the power supply unit, including voltage checks and primary/secondary side diagnostics.
Schematic diagram of the power supply unit, detailing components and their interconnections.
Schematic of the line deflection circuit, showing components responsible for horizontal picture display.
Schematic of the frame deflection circuit, showing components for vertical picture display.
Schematic of the synchronisation circuit, including the TDA8844/8845 IC for timing.
Schematic for the tuner, video IF, and audio detection stages using the TDA8844 IC.
Schematic for the tuner, video IF, and audio detection stages using the TDA8845 IC.
Schematic for the video processing section, including chroma, colour decoding, and RGB processing.
Schematic for the main control circuits, including the microprocessor and interface management.
Schematic for the CRT panel, showing connections to the picture tube and deflection amplifiers.
Specifies the necessary conditions for performing electrical and software alignments, including power and warm-up.
Instructions for accessing and selecting the Service Default Mode (SDM) before performing alignments.
Instructions for accessing and selecting the Service Alignment Mode (SAM) for adjustments.
Procedures for performing electrical adjustments on the TV, covering VG2, Focusing, and Power Supply.
Procedure for adjusting the VG2 screen voltage to achieve optimal picture contrast and brightness.
Procedure for adjusting the focus potentiometer to achieve maximum picture sharpness.
Procedure for adjusting the power supply voltage to its specified level using a potentiometer.
Procedures for performing software-based adjustments, including geometry and AGC settings.
Steps for adjusting picture geometry parameters like VSL, SBL, VAM, VSH, VSC, and HSH.
Procedure for adjusting the Automatic Gain Control (AGC) for optimal signal reception and stability.
General
