DELL1907.pdf

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电子技术资料网
Dell 1907FPc
Service Manual
19” LCD MONITOR
DELL 1907FPc
THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY.EVERY REASONABLE EFFORT
HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL; WE CANNOT GUARANTEE THE
ACCURACY OFTHIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS RELIABILITY FOR
CHANGES, ERRORS OR OMISSIONS.
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电子技术资料网
Dell 1907FPc
Table of contents
Table of contents ------------------------------------------------------------------------------------------------------------------------- 02
Revision List -------------------------------------------------------------------------------------------------------------------------------03
ECN History -------------------------------------------------------------------------------------------------------------------------------- 04
Important Safety Notice --------------------------------------------------------------------------------------------------------------- 05
1. Monitor Specifications -----------------------------------------------------------------------------------------------------------06
2. LCD Monitor Description ------------------------------------------------------------------------------------------------------- 07
3. Operation instructions --------------------------------------------------------------------------------------------------------------08
3.1 General Instructions ----------------------------------------------------------------------------------------------------08
3.2 Control buttons -------------------------------------------------------------------------------------------------------------08
3.3 Adjusting the Picture ---------------------------------------------------------------------------------------12
3.4 Connect Your Monitor ----------------------------------------------------------------------------------------------------------19
4. Input/Output Specification ---------------------------------------------------------------------------------------------------20
4.1 Input Signal Connector ----------------------------------------------------------------------------------------------------20
4.2 Factory Preset Display Modes ----------------------------------------------------------------------------------------- 21
4.3 Power Supply Requirements ---------------------------------------------------------------------------------------- 21
4.4 Panel Specification ---------------------------------------------------------------------------------------------------------- 22
5. Block Diagram ---------------------------------------------------------------------------------------------------------------------25
5.1 Monitor Exploded View ----------------------------------------------------------------------------------------------------25
5.2 Software Flow Chart ---------------------------------------------------------------------------------------------------------27
5.3 Electrical Block Diagram --------------------------------------------------------------------------------------------------29
6. Schematic Diagram -------------------------------------------------------------------------------------------------------------31
6.1 Main Board --------------------------------------------------------------------------------------------------------------------31
6.2 Power Board -------------------------------------------------------------------------------------------------------------------36
6.3 USB Board ------------------------------------------------------------------------------------------------------------------------38
7. Layout --------------------------------------------------------------------------------------------------------------------------- 40
7.1 Main Board --------------------------------------------------------------------------------------------------------------------- 40
7.2 Power Board ------------------------------------------------------------------------------------------------------------------- 41
7.3 USB Board ---------------------------------------------------------------------------------------------------------------------- 43
7.4 Key Board ---------------------------------------------------------------------------------------------------------------------- 43
8. Mechanical Instruction --------------------------------------------------------------------------------------------------------- 44
9. Maintainability -------------------------------------------------------------------------------------------------------------------- 53
9.1 Equipments and Tools Requirement -------------------------------------------------------------------------------- 53
9.2 Trouble Shooting ----------------------------------------------------------------------------------------------------------- 54
10. White Balance Adjustment --------------------------------------------------------------------------------------------------- 60
11. EDID Content -------------------------------------------------------------------------------------------------------------------- 62
12. ISP Instruction -------------------------------------------------------------------------------------------------------------- 63
13. Check List -------------------------------------------------------------------------------------------------------------------------69
14. BOM List ------------------------------------------------------------------------------------------------------------------------------ 72
15. Definition Of Pixel Defects------------------------------------------------------------------------------------------------------ 105
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www.ma163.com
电子技术资料网
Dell 1907FPc
Revision List
Revision
Release Date
Revise history
TPV model
Remark
T980KSCDKRDFUP
T980KSCDKRDMUP
A00
Nov.-28-2005
Initial Release
T980KGCHKRDGUP
T980KGCHKRDEUP
ROHS BOM
Sold area in EU and attach the
corresponding BOM
T980KSCHBRDGQP
A01
Dec.22-2005
A02
Mar.-28-2006
Add “ Definition Of Pixel Defects”
Add” Max Brightness measurement ” on
A03
April-25-2006
Page60
A04
Mar.-30-2007
Update Mechanical Instruction in item 8
A05
Nov.-30-2007
Add “ ECN History ”
Add the CBPC,PWPC Version
A06
Dec.-20--2007
Dec.-20--2007
information in BOM list
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电子技术资料网
Dell 1907FPc
ECN History
ECN No.
Change Description
Service Deposition
Cut-in date
MSR
Rework on VFF and customer
complain power button defect;
Purge service center parts
inventory.
New Part Number: 33G4940
Old Part Number: 33G0120
Enhance the button
structure
ECN-D-EE105
Dec-24-2006
A00
ECR027569
-- Firmware update from
Upgrade the Vista firmware
2007/2/1
A01
V4C08 to V4C09
on verified failure;
-- PPID change from
A00 to A01
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电子技术资料网
Dell 1907FPc
Important Safety Notice
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING
REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINGS
Proper service and repair is important to the safe, reliable operation of all Dell Company** Equipment. The service
procedures recommended by Dell and described in this service manual are effective methods of performing
service operations. Some of these service operations require the use of tools specially designed for the purpose.
The special tools should be used when and as recommended.
It is important to note that this manual contains various CAUTIONS and NOTICES which should be carefully read
in order to minimize the risk of personal injury to service personnel. The possibility exists that improper service
methods may damage the equipment. It is also important to understand that these CAUTIONS and NOTICES ARE
NOT EXHAUSTIVE. Dell could not possibly know, evaluate and advise the service trade of all conceivable ways in
which service might be done or of the possible hazardous consequences of each way. Consequently, Dell has not
undertaken any such broad evaluation. Accordingly, a servicer who uses a service procedure or tool which is not
recommended by Dell must first satisfy himself thoroughly that neither his safety nor the safe operation of the
equipment will be jeopardized by the service method selected.
* * Hereafter throughout this manual, Dell Company will be referred to as Dell.
WARNING
Use of substitute replacement parts, which do not have the same, specified safety characteristics may create
shock, fire, or other hazards.
Under no circumstances should the original design be modified or altered without written permission from Dell. Dell
assumes no liability, express or implied, arising out of any unauthorized modification of design. Servicer assumes
all liability.
FOR PRODUCTS CONTAINING LASER:
DANGER - Invisible laser radiation when open. AVOID DIRECT EXPOSURE TO BEAM.
CAUTION - Use of controls or adjustments or performance of procedures other than those
specified herein may result in hazardous radiation exposure.
CAUTION - The use of optical instruments with this product will increase eye hazard.
TO ENSURE THE CONTINUED RELIABILITY OF THIS PRODUCT, USE ONLY ORIGINAL
MANUFACTURER'S REPLACEMENT PARTS, WHICH ARE LISTED WITH THEIR PART
NUMBERS IN THE PARTS LIST SECTION OF THIS SERVICE MANUAL.
Take care during handling the LCD module with backlight unit
- Must mount the module using mounting holes arranged in four corners.
- Do not press on the panel, edge of the frame strongly or electric shock as this will result in damage to the
screen.
- Do not scratch or press on the panel with any sharp objects, such as pencil or pen as this may result in
damage to the Panel.
- Protect the module from the ESD as it may damage the electronic circuit (C-MOS).
- Make certain that treatment person’s body is grounded through wristband.
- Do not leave the module in high temperature and in areas of high humidity for a long time.
- Avoid contact with water as it may a short circuit within the module.
If the surface of panel becomes dirty, please wipe it off with a soft material. (Cleaning with a dirty or rough cloth
may damage the panel.)
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