Dell D1025TM - UltraScan 1000HS - 17" CRT Display Support and Manuals
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Service Manual - Page 1
SERVICE MANUAL
D1025TM D1025TM
D1025TM
US Model Canadian Model
Japan Model S.
SCC-L07D-A
D-1H CHASSIS
SPECIFICATIONS
Picture tube
0.25 mm aperture grill pitch 17 inches measured diagonally 90-degree ... 420 (w/h/d) (16 x 17 1/8 x 16 5/8 inches)
Approx. 18.0 kg (39 lb 11 oz)
Design and specifications are subject to change without notice. COLOR MONITOR
R
- 1 - Hemisphere Model
Chassis No.
Service Manual - Page 2
... Saving function automatically puts the monitor into active-off (3rd mode) 5.
Active-off mode and the indicator lights up orange. State 1. Normal Operation 2. Power-off 6. Suspend (2nd mode)
4. Failure mode TIMING SPECIFICATION
Power consumption < 110W
< 15W
Required recovery time
approx. 3 sec. D1025TM
POWER SAVING FUNCTION
This monitor has three Power Saving modes. Standby...
Service Manual - Page 3
...CHECK-OUT (US Model only)
D1025TM
After correcting the original service problem, perform the following safety checks before releasing the set to use these instructions.
2. Check that have low HV.
8. Leakage current can be suspicious of three methods.
1. Nearly all other exposed metal parts for unsoldered or poorly-soldered connections. Recommend the replacement of deterioration...
Service Manual - Page 4
...23 5-4. EXPLODED VIEWS
6-1. Packing Materials 31
7. Cabinet Removal 10 2-2. GENERAL 5
2. Service Position 10 2-3. DISASSEMBLY
2-1. SAFETY RELATED ADJUSTMENT 12
4. DIAGRAMS
5-1. D Board - Schematic Diagram 19 2. ELECTRICAL PARTS LIST 32
- 4 - A Board - Chassis (US, CND 29 6-2. Block Diagram 15 5-2. D1025TM
TABLE OF CONTENTS
Section
Title
Page
1.
Service Manual - Page 5
..., tapes and disks away from the Operating Instruction Manual. Getting Started
Table of Contents
Read First 3 Damper Wire 3 Setup 3 Quick Specifications 3 Precautions 4 Plug and Play 4 Parts and Controls 5 The OSD (On-screen Display) System 6 Resetting the Adjustments 9
Precautions
Graphic Enhancement Mode (GEM 10 Specifications 10 Monitor Information 11 Power Saving Function and LED...
Service Manual - Page 6
...LANG SIZE OPTION
ZOOM
ZOOM
H
66
V
73
SIZE
SIZE
73
26
OPTION
OPTION
ON MANUAL DEGAUSS
6
Adjusting the Settings
1 Using the COLOR OSD
You can adjust the monitor to display the MENU OSD. 2 Highlight the COLOR OSD using the full range of...the BRIGHTNESS and
CONTRAST buttons. • To reset the current item to select a
specific item. 4 Adjust the monitor setting using one of the image.
Service Manual - Page 7
... ?// buttons to activate the
manual degauss, move the OSD position or lock the user controls. 5 Press...Monitor
Resetting the Adjustments
Resetting a specific adjustment:
1 Press the MENU button to display the MENU OSD
2 Highlight the OSD containing the adjustment you want to
the factory settings...changes in the selected direction.
D1025TM
- 7 - This setting is stored in memory for ...
Service Manual - Page 8
... colors. INFORMATION OUT OF SCAN RANGE
Troubleshooting
This section may not be uniform.
Horizontal: 30 - 70 kHz Vertical: 50 - 120 Hz Refer to your computer system's instruction manual to adjust the video frequency range.
• If you are using a video signal cable adapter, make sure the monitor supports the graphics mode and the
frequency at...
Service Manual - Page 9
... Lock function is activated, a hum may become fuzzy.
Picture bounces or has wavy oscillations
• Isolate and eliminate any potential sources of the monitor, the color may be uniform. White does not look white
• Adjust the color temperature using the SCREEN OSD (page 7). D1025TM
- 9 - While the auto-degauss cycle is set to "ON," set...
Service Manual - Page 13
... mode.
Set the finger...sensor on the monitor. Enter the ...service software and then follow the instructions. IBM AT Computer as a Jig
1 1-690-391-21 2 A-1500-819-A Interface Unit
3 3-702-691-01 Connector Attachment
To BUS CONNECTOR
D-sub (9 Pin [female])
mini Din (8Pin)
4 Pin 4 Pin 4 Pin
*The parts above ( 1 ~ 3 ) are necessary for DAS adjustment.
SECTION 4 ADJUSTMENTS
D1025TM...
Service Manual - Page 15
... replacing parts shown in the table below, be measured. bus. CIRCUIT BOARDS LOCATION
D1025TM
...identified by [ in this basic schematic
diagram have one for each set
Part Replaced (])
RV501, T501, R545, R546, R548, R550, R547, R549... : internal component. • p : panel designation and adjustment for repair.
• All variable and adjustable resistors have characteristic curve B,
unless ...
Service Manual - Page 19
...parts of an assembly are
indicated by shading anDdESCmRaIPrTkION¡ are seldom required for routine serviceR.ESMoAmRKe delay shouldRbEeF.NaOn.ticiPpAaRteTdNO. CHASSIS (JAPAN, S. D1025TM
• Items with part... (J) HOLDER, HV CABLE (SH) ABSORBER (J) SPACER, DEGAUSSER COIL
- 30 - Replace only with no part number and no descrip- DESCRIPTION
X-4035-217-2 X-4035-344-1 3-653-339-21 ...
Service Manual - Page 20
PART NO. DESCRIPTION
REMARK
51
3-861-661-11 MANUAL, INSTRUCTION (US,CND,J)
51
3-861-661-21 MANUAL, INSTRUCTION (SH)
52 * 4-062-365-01 CUSHION (UPPER) (US, CND,J) 52 * 4-063-118-01 CUSHION (UPPER) (SH)
53 ¡ 1-776-027-51 CORD SET, POWER (US, CND) 53 ¡ 1-575-181-11 CORD SET... PART NO. 6-3. PART NO.
52
DESCRIPTION
53
51 54
55
D1025TM
REMARK
56
REF.NO. DESCRIPTION
REMARK
REF...
Service Manual - Page 21
...nonflammable
REMARK
replace only with part number ...manual
RESISTORS
have characteristic curve B, unless otherwise noted. Ne les remplacer que par une piece portant le numero specifie. PART NO. PART NO. D1025TM
A
SECTION 7 ELECTRICAL PARTS LIST
Note:
RETF.hNOe. coPmARpToNnOe. nts iDdEeSnCtRifIPieTdIONby shading and mark ¡ a re critical for routine service.
When indicating parts...
Service Manual - Page 30
...identified by [ in this manual have been carefully factory-selected for safety. PART NO.
Should replacement be required, replace only with part number specified. D1025TM
D
REF.NO. DESCRIPTION
... Y17FRJ3-M
3-861-661-11 MANUAL, INSTRUCTION (US,CND,J) 3-861-661-21 MANUAL, INSTRUCTION (SH)
¡ 1-776-027-51 CORD SET, POWER (US, CND) ¡ 1-575-181-11 CORD SET, POWER (J) ¡ 1-453...
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