To Next PageTo Next Page
Need help?Do you have a question about the LG 21SA1RL and is the answer not in the manual?
General| Aspect ratio | 4:3 |
|---|---|
| Display diagonal | 21 \ |
| Equalizer | Yes |
| RMS rated power | 20 W |
| Number of speakers | 2 |
| Product color | Black |
| Combo TV | No |
Weight and Dimensions| Depth | 350 mm |
|---|---|
| Width | 608 mm |
| Height | 480 mm |
| Weight | 539 g |
Essential safety checks for technicians during TV servicing.
Precautions for cabinet openings, leakage current, and hot chassis.
Warnings against design changes and picture tube handling safety.
Guidelines for inspecting components and correct lead dress.
Information on critical safety replacement parts and warnings.
Adjusts Automatic Gain Control for optimal signal reception.
Optimizes screen voltage for proper picture brightness.
Aligns color purity and convergence for accurate image display.
Adjusts color temperature and white balance for accurate colors.
Optimizes focus for sharp vertical and horizontal lines.
Fine-tunes picture brightness for optimal viewing.
Adjusts geometric distortion and screen linearity.
Diagnoses overall TV operational issues.
Addresses signal reception, IF, and video processing problems.
Diagnoses power supply unit (SMPS) primary and secondary circuits.
Troubleshoots vertical and horizontal deflection circuit issues.
Addresses sound processing and CRT drive section problems.
