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Critical safety notices for technicians regarding design integrity and component use.
Guidelines to prevent electrical shock and fire risks during service operations.
Procedures to prevent X-radiation exposure, focusing on CRT voltage levels.
Recommendations for safe TV installation to ensure proper ventilation and stability.
General introduction to the CL Chassis Commercial Sets, highlighting features and ICs.
Details on various input/output interfaces like Camport, SuperPort, MPI, and EBC.
Description of rear connection jacks like Antenna, S-Video, and MPI ports.
Explains Power, Volume, Channel Up/Down, and ENTER button functions.
Explains MUTE, FLSHBK, CC, TIMER, and ALARM button functions.
Introduction to the LT2000/LT2002 programmer for copying TV setups.
Steps for setting up a master TV and copying its configuration.
Procedures for learning TV setup into the programmer and writing it back.
Setting clocks and displaying TV/clone setup configurations.
Important notes regarding programmer operation, reset, and battery replacement.
How to access and navigate the main SETUP MENU.
Auto Program, Add/Del/Blank channels, and Channel Labels setup.
Setting the TV clock and configuring closed caption options.
Configuring TV timers and selecting the menu language.
Adjusting bass, treble, balance, audio mode, and surround settings.
Adjusting contrast, brightness, color, tint, and sharpness.
Setting up content restrictions using MPAA and TV Parental Guideline ratings.
Controlling channel/time display and channel preview functions.
Viewing caption status and selecting video input sources.
How to access the Installer's Menu and overview of its options.
Configuring power management and AC power-on features.
Setting the tuning band and Automatic Frequency Control.
Setting the initial channel and locking tuning operations.
Adjusting minimum/maximum volume and disabling mute.
Disabling front panel keys and configuring scan modes.
Activating V-Chip and setting maximum blocking hours.
Retaining caption settings and enabling text mode.
Configuring default auxiliary source and custom menu colors.
Adjusting channel-time display size and enabling permanent parental blocking.
Setting delay times for audio/video muting during source switching.
Explanation of the Factory Mode and its two positions for series 34 & 36.
Storing customer video and audio menu adjustments in memory.
Adjusting maximum contrast and trap filter settings.
Adjusting horizontal/vertical size, phase, and AFC gain.
Explanation of the Factory Mode for Series 39 models and its access.
Storing video presets and adjusting VIF circuits.
Adjusting B&W tracking and RF/Auxiliary brightness.
Setting trap filters, delay times, and bandpass filters.
Adjusting hue, color killer, and luminance for auxiliary modes.
Adjusting horizontal AFC gain and color range limits.
General guidelines for servicing the CL Chassis and its circuits.
Information on module-level repair and replacement procedures.
Steps for checking standby and switched voltages in the power supply.
Checking key signals and voltages for microprocessor, vertical, and horizontal circuits.
Understanding the HV shutdown circuit and CRT anode voltage measurement.
Detailed procedure for measuring CRT anode voltage and shutdown thresholds.
Steps to test the high voltage shutdown mechanism.
Adjusting IF, AGC delay, G2, and RGB cutoff for optimal picture.
Servicing video detector, AGC, and adjusting RGB cutoff for color balance.
How video signals are switched between different inputs.
How the TV automatically selects input sources based on priority.
Procedures for adjusting purity tabs and yoke position for a pure color raster.
Steps to adjust center convergence using 4-pole and 6-pole controls.
Adjusting yoke tilt using wedges for vertical and horizontal convergence.
Modifying CRT with magnets to correct corner purity issues.
Contact information for ordering parts and list of available parts by model.
Exploded view of the 19-inch model, showing component assembly.
Exploded view of the 20-inch model, detailing part assembly.
Exploded view for 24-inch models, showing component layout.
Exploded view for 25-inch models, illustrating part assembly.
Exploded view for 27-inch models, detailing component placement.
Exploded view for the 32-inch model, showing part assembly.
Schematic diagram of the television's power supply section.
Schematic diagram of the main microprocessor and associated components.
Schematic diagram of the TV's deflection system.
Schematic diagram of the video processing circuitry.
Schematic diagram of the audio processing circuitry.
Schematic diagram of the audio/video switching circuitry.
Schematic diagram of the MPI card and its connections.
Schematic diagram of the video output stage.
Schematic diagram for the edge card connections.
Schematic diagram of the audio amplifier stages.
Schematic diagram of the comb filter circuitry.
Overall functional block diagram of the television's circuitry.
Top-side layout of the printed circuit board with component placement.
Bottom-side layout of the printed circuit board with component placement.
General
