dell tft-lcd color monitor 1907fpc service manual

Download Dell TFT-LCD Color Monitor 1907FPc Service Manual

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www.ma163.com Dell 1907FPc

Service Manual19 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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www.ma163.com Dell 1907FPcTable 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 Dell 1907FPc

Revision ListRevision Release Date Revise history TPV model T980KSCDKRDFUP T980KSCDKRDMUP A00 Nov.-28-2005 Initial Release T980KGCHKRDGUP T980KGCHKRDEUP A01 A02 A03 A04 A05 A06 Dec.22-2005 Mar.-28-2006 April-25-2006 Mar.-30-2007 Nov.-30-2007 Sold area in EU and attach the corresponding BOM Add Definition Of Pixel Defects Add Max Brightness measurement on Page60 Update Mechanical Instruction in item 8 Add ECN History Add the CBPC,PWPC Version Dec.-20--2007 information in BOM list Dec.-20--2007 T980KSCHBRDGQP ROHS BOM Remark

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www.ma163.com Dell 1907FPc

ECN History

ECN No.

Change Description

Service Deposition Rework on VFF and customer complain power button defect; Purge service center parts inventory. New Part Number: 33G4940 Old Part Number: 33G0120 Upgrade the Vista firmware on verified failure;

Cut-in date

MSR

ECN-D-EE105

Enhance the button structure

Dec-24-2006

A00

ECR027569

-- Firmware update from V4C08 to V4C09 -- PPID change from A00 to A01

2007/2/1

A01

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www.ma163.com Dell 1907FPc

Important Safety NoticeANY 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 persons body is grounded through wristband.

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