Dell P780 - 17" CRT Display Support and Manuals
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Popular Dell P780 Manual Pages
Service Manual - Page 1
Hemisphere Model S. Hemisphere Model
Chassis No. COLOR MONITOR SERVICE MANUAL
P780
P780
Equator Model Japan Model N. L29K-A
D99 CHASSIS
SPECIFICATIONS
Picture tube
0.24-0.25 mm aperture grill pitch 17 inches measured diagonally 90-degree deflection
Video image area
(16" maximum viewing image) Approx. 326 X 243 mm (w/h) (127/8 x 95/8 inches)
Resolution
Horizontal: Max. 1280 dots ...
Service Manual - Page 2
...
TIMING SPECIFICATION
MODE Resolution (H x V)
Dot Clock (MHz)
HORIZONTAL
Hor.
Blanking the video must precede termination of the problem areas. Green and Orange
Alternate
3 Suspend (2nd mode) blank...the host computer. P780
POWER MANAGEMENT
The power saving mode complies with the VESA Display Power Management Signaling standard.
Each state of the monitor shall be controlled by...
Service Manual - Page 4
P780
SAFETY CHECK-OUT
After correcting the original service problem, perform the following safety checks before releasing the set to the customer and recommend their replacement.
5. Check that you have replaced all the insulators.
4. Look for AC Leakage. Point them out to use these instructions.
2. be measured by means of a VOM or battery-operated AC voltmeter. The "limit...
Service Manual - Page 5
...power cord to a power outlet
Power cord
Parts and Controls
Front
Step 3 Switch on , and lights up green when the monitor is in Power Saving mode.
6 AC IN connector This connector provides AC power...Setup
Connect the monitor to the video output of the Operating Instruction Manual. Installation... to a power outlet. Getting Started
Use of the power cord to the factory settings.
2 (BRIGHTNESS...
Service Manual - Page 6
... buttons to select the desired adjustment item. The OSD automatically disappears after about 30 seconds. The GEOMETRY menu appears on the screen.
3 Press the v/V buttons to select a specific item.
4 Adjust the monitor setting using the reset function, see the "Resetting the Adjustments" section on page 9. • Each of the adjustment's OSD automatically disappears after...
Service Manual - Page 7
... seconds.
To close the OSD, press the MENU button again.
6 Additional settings (OPTION)
You can display the model name, serial number and year of the OSD, first press the v/V buttons to highlight (MANUAL DEGAUSS).
P780
- 7 - Monitor Information
You can manually degauss (demagnetize) the screen, cancel the moire, adjust the OSD horizontal position, adjust the OSD...
Service Manual - Page 8
...SCAN RANGE CHANGE PC SETTING
INFORMATION MONITOR IS IN POWER SAVE MODE ACTIVATE USING PC
INFORMATION MONITOR IS WORKING CHECK SIGNAL CABLE WHITE RED GREEN BLUE
Troubleshooting
If the problem is caused by the connected computer or other equipment • Change your graphic video board manual for the monitor to sync correctly. • Adjust the computer's refresh rate (vertical frequency) to...
Service Manual - Page 9
... light to pass through to be replaced • Ensure monitor is in other room
Color Purity Problems
Color is on the outside of smoke or sparks
Monitor malfunctions on & off and clean the screen
• Do not perform any troubleshooting steps
• Monitor needs to the screen giving the Trinitron CRT more lines
Screen is scrambled or appears torn
Has...
Service Manual - Page 13
... green pattern. 4. Adjust V. Display the plain green pattern. 4. Degauss CRT face and iron parts with white paint.
4-3. Key (H. Key (=H. Convergence and V. Place the monitor in the Helmholtz coil. 2. Landing Rough Adjustment 1. P780
SECTION 4 ADJUSTMENTS
Connect the communication cable of specification, use a disk magnet for DAS adjustment.
* Allow a 30 minute warm-up and...
Service Manual - Page 25
... only with the value originally used.
• Items marked with part number specified.
Should replacement be anticipated when ordering these items.
A
• All variable and adjustable resistors have been carefully factoryselected for each set in order to satisfy regulations regarding X-ray radiation. P780
Note:
The components identified by reference number, please include the board...
Service Manual - Page 37
File this supplement with the original service manual. SERVICE MANUAL
P780
P780
Equator Model Japan Model
N. Hemishere Model
Chassis No.
Hemisphere Model S. SCC-L29K-A
D99 CHASSIS
SUPPLEMENT - 1
For Bridge Model, Midnight Gray units only
Subject: Modified A and D Board Schematics and Updated Exploded View and Electrical Parts List. COLOR MONITOR
Service Manual - Page 48
... model)
36
1-790-883-12 CABLE ASSY (Japan model only...Replace only with part number specified.
Ne les remplacer
que par une piece portant le numero specifie.
6-1. PART..., COMPRESSION
BUTTON, POWER
GUIDE, LIGHT
BUTTON, MULTI
REF. NO. DESCRIPTION
REMARK
16 * 17 18 19 * ...PART NO. P780
SECTION 6
EXPLODED VIEW
• Items with no part number and no
• The component parts...
Service Manual - Page 49
NO. PART NO. DESCRIPTION
REMARK
51 52 53 54 * 55 * 56 * 57 *
3-867-224-12 1-772-448-31 1-769-752-61 4-072-182-02 4-059-174-11 4-072-185-02 4-072-189-03
QUICK SETUP (MANUAL) CD-ROM POWER CORD SET (Japan model only) CUSHION ASSY, UPPER BAG, PROTECTION CUSHION ASSY, LOWER CARTON, INDIVIDUAL
P780
- 13 - PACKAGING AND ACCESSORIES
52
51
53
54
55 56
57
REF. 6-2.
Service Manual - Page 50
... B, unless otherwise noted. Should replacement be anticipated when ordering these items.
• All variable and adjustable resistors have been carefully factoryselected for safety.
RESISTORS • All resistors are seldom required for routine service. NO. NO. P780
Note:
The components identified by shading and mark are critical for each set in order to satisfy regulations...
Service Manual - Page 59
P780
REF.NO.
Note:
The components identified by in order to satisfy regulations regarding x-ray radiation. PART NO. PART NO. R934 1-249-429-11 R935 1-216-025... by shading and mark are critical for each set in this manual have been carefully factory-selected for safety. Should replacement be required, replace only with part number specified. DESCRIPTION
REMARK
R712 1-215-860-11...
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