Brand: SHARP
Category: Displays
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for LL-171A
Uploaded: Nov. 21, 2025, 6:12 p.m.
Warranty Information
No specific warranty period is mentioned in the provided text. Refer to the warranty card included with the product.
Connecting the monitor
1. Connect the monitor to a computer using the provided analog or digital signal cables.
2. Connect the monitor to a power source.
3. Turn on the monitor's main power switch, then press the power button.
4. Turn on the computer.
Adjusting the screen display
For analog signals: Perform automatic screen adjustment using the AUTO button or MENU button. Manual adjustments may be needed.
For digital signals (LL-171G): Automatic adjustment is generally not necessary. Manual adjustment may be performed if needed.
Use the MENU button to access various settings like Brightness, Contrast, Color, and Input selection.
Troubleshooting
Before seeking service, check connections, computer status (power-saving mode), and signal compatibility.
If the screen is dark or flickers, the fluorescent tube may have reached its end of life.
Troubleshooting and error codes
| Problem | Possible Cause/Solution |
|---|---|
| No image appears on the screen (power LED is not lit). | Is the power cord connected properly? (p.15) |
| No image appears on the screen (power LED is lit). | Is the computer connected properly? (p.12,13,14) Is the computer turned on? If using the LL-171G, confirm that the signal's input terminal is selected correctly. (p.16) If using the LL-171G, confirm that [INPUT-2] is set correctly in the MODE SELECT-2 Menu. (p.22) Does the computer's signal timing correspond to monitor specifications? (p.26) Is the computer in power-saving mode? |
| Control buttons do not work. | Is the adjustment lock on? (p.17) |
| The image appears distorted. | Does the computer's signal timing correspond to monitor specifications? (p.26) If you are using the analog signal, perform automatic screen adjustment. (p.19) If you can change the refresh rate on the computer you are using, change the value to a lower frequency. (p.26) |
| No sound can be heard from the speakers. | Is the audio cable connected correctly? (p.14) Perform the volume adjustment procedure. (p.18) Are the headphones connected? There is no sound from the speakers when the monitor is in power-saving mode (the power LED lights up orange). |