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.... Separate HD/VD, TTL Polarity Free External Composite, TTL Polarity Free (2K ohms impedance)
Power Consumption Deflection frequency AC input voltage / current Dimensions Mass
Maximum 120W Minimum 95W
Horizontal: 30...
Service Manual - Page 2
...
no
no
< 15 W
Approx. 3 sec. The elapsed time counter shall also be accomplished from the host computer by 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 re-establishing the normal sync signal.
V-Back Porch
V-Active (lines)
SYNC.
Service Manual - Page 4
...-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" indication...
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
P780
- 6 - Customizing Your Monitor
The OSD (On-screen Display) System
Introducing the OSD System
You can adjust most of the picture. Select
To
HORIZONTAL CENTERING shift the picture to the left or right at the top of the screen shift the picture to adjust the color temperature manually. Customizing Your Monitor... select a specific item.
4 Adjust the monitor setting using the ...
Service Manual - Page 7
...than two 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...
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
... more 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...
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 23
... MANUAL, CD-ROM 53 ! 1-783-795-11 CORD SET, POWER (JAPAN ONLY) 54 * 4-072-182-01 CUSHION ASSY, UPPER 55 * 4-041-927-31 BAG, POLYETHYLENE
56 * 4-072-185-01 CUSHION ASSY, LOWER 57 * 4-072-189-01 CARTON, INDIVIDUAL
- 35 - PACKING MATERIALS
REF.NO. 6-2. DESCRIPTION
REMARK
52 51
54
REF.NO. PART NO. DESCRIPTION
53
P780...
Service Manual - Page 25
...resistors are in this manual have characteristic curve B, unless otherwise noted.
REF.NO. PART NO. Note: Les composants identifies per un trame et une marque ! A
DESCRIPTION
* A-1294-798-A BOARD, COMPLETE
REMARK
REF.NO. Replace only with a asterisk " * " are not stocked since they are critical for routine service.
SECTION 7 ELECTRICAL PARTS LIST
The components identified...
Service Manual - Page 33
..., NX-4404//X4L4 CORD SET, POWER (JAPAN ONLY) CABLE ASSY (15P DSUB)
5% 1/10W 5% 1/10W 5% 1/10W 5% 1/10W
3-704-372-01 * 3-867-224-11 * 3-867-225-11
4-045-123-01 ! 8-738-550-61
HOLDER, HV CABLE MANUAL, INSTRUCTION MANUAL, CD-ROM HOLDER, DEGAUSSING COIL ITC ASSY, 17TKB-R1
- 45 -
Should replacement be required, replace only with part number specified. are...
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 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
...this manual have characteristic curve 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...
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