Dell P780
April 20, 2024, 6:32 pm
Summary
One of Dell's higher end monitors, the P780 was manufactured by Sony and features a 17" flat Trinitron tube. It is based on the CPD-E200. Unlike the original, this monitor has a redesigned control panel with separate buttons for menu navigation. It is capable of an 85 kHz max horizontal scan rate.
Literature
Notes
This tube has a fragile Diamondtron / Trinitron anti-glare coating which will be damaged by all common cleaning products including Ammonia-Free products. You should only clean it with water or water mixed with a few drops of dish soap. Use only a soft clean microfiber towel to wipe the screen.
If the screen has missing/discolored parts of the finish, or spots that look like scratches that don't come off, or parts where the mirror finish is missing, the coating has already been permanently damaged and should be removed. You can find instructions for removing and replacing the film here.
Many brands used these coatings including Mitsubishi, Sony, JVC, IBM, and more. Usually if the underlying tube technology is aperture grille-based and the monitor is a higher performance PC monitor, it can be assumed the tube has this fragile coating. The user manual of the monitor will also mention not to use any cleaning products on the screen.
Here is an example of what permanently damaged glare coating looks like: Click to open Image
This monitor includes digital convergence controls, accessible through the OSD menu.
Two small holes on the left side of the monitor allow access to the focus pots. There is also a small rectangular cover that can be removed, exposing the serial pins needed for WinDAS calibration.
Brightness issue
There is a common problem where these monitors are too bright and the OSD controls don't allow you to correct it. In that case you need to use WinDAS to lower the G2 value in the monitor's firmware settings.
Gallery
| Specifications | |
|---|---|
| Brand: | Dell |
| Manufacturer: | Sony |
| Model: | P780 |
| Series: | UltraScan |
| Viewable Size: | 16" |
| Inputs: | VGA |
| Sync: | HV Sync, CSYNC |
| Resolutions: | VGA, SVGA, XGA, SXGA, UXGA |
| Horizontal Max: | 30 kHz, 85 kHz |
| Vertical Max: | 48 Hz, 120 Hz |
| Aspect: | 4:3 |
| Adjustments: | OSD Customer Controls, Software Calibration |
| Horz. Output Transistor: | 2SC5302 |
| Vertical Output IC: | TDA8177 |
| Flyback: | 1-453-311-11, NX-4404//X4L4 |
| Tube: | Sony FD Trinitron , M41LRL70X |
| Deflection: | 90 deg. |
| Mask: | Aperture Grille |
| Pitch: | .24 mm |
| Tint: | Dark |
| Removable Glare Film: | Yes |
| Yoke: | 8-451-435-31, 8-451-435-41, Y17TKJ-Y |
| Yoke Horz. Inductance: | 0.11061 mH |
| Yoke Vert. Inductance: | 3.830 mH |
| Yoke Horz. Resistance: | 0.546 ohms |
| Yoke Vert. Resistance: | 13.64 ohms |
| Speakers: | None |
| Chassis: | D99 |
| Weight: | 41.5 lbs (19 kg) |
| Application: | Computer Monitor |
| Launched: | 2000 |
| Country of Manufacture: | Mexico |
| Mounting: | Desk Stand |
| Degaussing: | Automatic on Power-on, Manual |
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