Service Manuals, User Guides, Schematic Diagrams or docs for : LENOVO Monitor L193 Lenovo+L193+Service
<< Back | HomeMost service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.
Image preview - the first page of the document
>> Download Lenovo+L193+Service documenatation <<
Text preview - extract from the document
19" LCD Color Monitor Lenovo L193 Wide
Service
Service
Service
t
ne
Horizontal Frequency
el.
30-81 kHz
TABLE OF CONTENTS
wj
Description Page Description Page
Table Of Contents......................................................1 5.2.Electrical Block Diagram.................................14
w.
Revision List........................................................2 6.Schematic...........................................................16
Important Safety Notice............................................3 6.1.Main Board.................................................16
ww
1.Monitor Specification...............................................4 6.2.Power Board.....................................................20
2.LCD Monitor Description........................................5 7.PCB Layout...........................................................22
3.Operation Instruction...............................................6 7.1.Main Board.......................................................22
3.1.General Instructions.................................................6 7.2.Power Board.........................................................25
://
3.2.Control Button......................................................6 7.3.Key Board..........................................................26
3.3.Adjusting the Picture..........................................7 8.Maintainability........................................................27
tp
4.Input/Output Specification.......................................9 8.1.Equipments and Tools Requirement...............27
4.1.Input Signal Connector.........................................9 8.2.Trouble Shooting..........................................28
ht
4.2.Factory Preset Display Modes.........................9 9.White-Balance Luminance adjustment..................34
N
4.3.Panel Specification...............................................10 10.Monitor Exploded View.....................................36
5.Block Diagram........................................................12 11.BOM List................................................................37
5.1.Software Flow Chart...........................................12 12.Different Parts List.................................................47
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 TRANSFOMER FOR THIS UNIT WHEN SERVICING
1
19" LCD Color Monitor Lenovo L193 Wide
Revision List
Revision Date Revision History TPV Model
T97MMRNCW7H4NN
A00 Sep.-06-07 First Version Release T97GMRNDW7H3NN
T97MMRNDW7H3NN
A01 Dec.-06-07 Second Release T97MMRNDW7H5NN
A02 Jan.-20-08 New model lead in T97MMRNYW7H4NN
t
ne
el.
wj
w.
ww
://
tp
ht
2
19" LCD Color Monitor Lenovo L193 Wide
Important Safety Notice
Proper service and repair is important to the safe, reliable operation of all AOC Company Equipment. The service
procedures recommended by AOC 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. AOC 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, AOC has not
undertaken any such broad evaluation. Accordingly, a servicer who uses a service procedure or tool which is not
recommended by AOC 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, AOC Company will be referred to as AOC.
t
WARNING
ne
Use of substitute replacement parts, which do not have the same, specified safety characteristics may create shock,
fire, or other hazards.
el.
Under no circumstances should the original design be modified or altered without written permission from AOC.
AOC assumes no liability, express or implied, arising out of any unauthorized modification of design.
Servicer assumes all liability.
wj
FOR PRODUCTS CONTAINING LASER:
w.
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.
ww
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
tp
-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.
ht
-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.)
3
19" LCD Color Monitor Lenovo L193 Wide
1. Monitor Specifications
Items Descriptions
Driving system TFT Color LCD
Type M190A1-L02
Size 48.14cm (19.05")
LCD Panel
Pixel pitch 0.285mm( H )x 0.285mm( V )
Viewable angle 170◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo