Do you have a question about the Hitachi C21-RF80S - 21" CRT TV and is the answer not in the manual?
Screen Size | 21 inches |
---|---|
Display Technology | CRT |
Aspect Ratio | 4:3 |
Tuner | Analog |
Inputs | RF, Composite |
Essential safety measures for servicing the TV, including isolation transformer use and protective device checks.
Guidelines to limit X-radiation exposure, emphasizing correct replacement tubes and high voltage limits.
Highlights components critical for safety and recommends using specified replacement parts to avoid hazards.
Block diagram for the TDA93XXPS/N2/5I TV Signal Processor, covering video, teletext, and geometry functions.
Block diagram for the TDA9874AH Digital TV Sound Demodulator/Decoder IC, detailing sound processing and interfaces.
Prerequisites, tools, and steps for TV alignment, including safety and power adjustment checks.
Procedures for entering factory mode and performing adjustments like focus, screen voltage, and size/cushion.
Step-by-step guide for adjusting colour purity, involving degaussing, white signal, and yoke manipulation.
Steps for adjusting picture convergence using dotted patterns and static convergence magnets.