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General| Brand | Sharp |
|---|---|
| Model | 25VT-K100 |
| Category | TV VCR Combo |
| Language | English |
Safety precautions for X-radiation and high voltage limits during servicing.
Procedures for safely servicing the high voltage system and picture tube.
Safety checks before returning the receiver to the user, focusing on fire and shock hazards.
Detailed electrical specifications for the TV section.
Detailed electrical specifications for the VCR section.
Identifies and describes the physical controls on the TV set.
Explains the buttons and functions of the remote control.
Provides the first set of instructions for taking the unit apart.
Continues the disassembly process with additional steps.
Notes on connecting leads and fitting the VCR unit during reassembly.
Procedure to test the X-radiation protector circuit for proper function.
Steps to verify the high voltage is within safe operating limits.
Instructions on how to access and leave the service mode.
How to navigate and select adjustment items and data within service mode.
Procedures for adjusting VCO, RF AGC, and screen settings.
Steps for white balance, sub-color, and sub-tint adjustments.
How to perform sub-picture and sub-brightness adjustments.
Instructions for adjusting vertical size and horizontal position.
How to adjust the horizontal position of captions on screen.
Flowcharts for diagnosing no raster and no vertical scan problems.
Flowcharts for diagnosing no picture, no sound, or no playback picture.
Flowchart for diagnosing infrared remote control operational problems.
Diagram showing the layout of major components and PWB's on the main chassis.
Detailed schematic of the main unit's PWB-A.
Functional block diagram of the TV section.
Comprehensive schematic showing the entire system's interconnections.
Detailed schematic for the TV section of the main unit.
Schematic for the VCR section of the main unit and sensor unit.
Explains symbols, safety markings, and voltage/waveform measurement conditions.
Shows the layout and component placement on various printed wiring boards.
Lists replacement parts for the picture tube, tuner, ICs, transistors, diodes, and filters.
Lists replacement resistors, capacitors, switches, and miscellaneous parts for PWB-A.
Lists replacement parts for PWBs B-F, and mechanism chassis components.
Lists and describes various mechanical parts for the VCR mechanism.
Lists screws, nuts, and washers used in the unit assembly.
Lists parts for the cassette housing control mechanism.
Lists parts related to the external cabinet and general mechanical assemblies.
Lists accessories supplied with the unit.
Details the materials and methods for packing the set.
