Service Manuals, User Guides, Schematic Diagrams or docs for : Philips Monitor 241S4LYCS PHILIPS_241S4LYCS_241S4LYCB_Chassis_Meridian4
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24 inch FHD TFT LCD Colour Monitor Chassis: MERIDIAN 4
241S4LYCS/00
241S4LYCS/00(AP)
241S4LYCS/01
241S4LYCB/00
241S4LYCB/00(AP)
241S4LYCB/01
Horizontal frequencies
30 - 8 3 kHz
TABLE OF CONTENTS
Description Page Description Page
Important Safety Notice--------------------------------------2 Failure Mode Of Panel - ------------------------------------33
Technical Data--------------------------------------------- ----3 Wiring Diagram----------------------------------------------34
Installation----------------------------------------------------4~5 Block Diagram------------------------------------------------35
Troubleshooting---------------------------------------------6~7 Scaler Diagram & C.B.A. ------------------------------36~41
On Screen Display------------------------------------------8~9 LED Driver Diagram & C.B.A. -------------------------42~44
Lock/unlock, Aging,Factory mode-------------------------10 Control Diagram & C.B.A. -----------------------------45~46
Philips Pixel Defect Policy ---------------------------------11 LED Diagram & C.B.A.--------- -------------------------47~48
Mechanical Instructions ------------------------------12~14 General product specification------------------------49~68
Color adjustment --------------------------------------------15 Exploded V iew -----------------------------------------------69
F AQs (Frequently Asked Questions)---------------16~17 Spare/ Recommended P arts List-------------------------70
Electrical instruction ----------------------------------18~19 PCBA photos---------------------------------------------------71
Service Tool-----------------------------------------------20~21 Repair tips-------------------------------------------------72~73
DDC Instructions & Serial Number -----------------22~28 Repair Flow chart----------------------------------------74~75
DDC DATA -----------------------------------------------29~30 Safety Test Requirments------------------------------------76
Firmware Upgrade for CPU- ------------------------31~32 BZL&CTRL BD Replace ---------------------------------------77
Auto Color & User reset -------------------------------78~79
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 VOL TAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING.
REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINES
Published by Philips Consumer Lifestyle Copyright reserved Subject to modification JSep 30 2011 GB
2 241S4L LCD
Important Safety Notice
Proper service and repair is important to the safe, reliable
FOR PRODUCTS CONTAINING LASER :
operation of all Philips Consumer Electronics Company
equipment. The service procedures recommended by Philips and DANGER - Invisible laser radiation when open.
described in this service manual a re eff ective methods of AVOID DIRECT EXPOSURE TO BEAM.
performing service operations . Some of these service CAUTION - Use of controls or adjustments or
operations require the us e of tools speciall y desi gned for the
performance of procedures other than
purpose. The special tools should be used when and as
those specified herein may result in
recomm ended.
hazardous radiation exposure.
It is im portant to note that this m anual c ontains various
CAUTI ONS and NOTICES which should becarefully read in CAUTION - The use of optical instruments with this
order to m inimize the risk of personal injury to service product will increase eye hazard.
personnel . The possibility exists that improper service
methods may damage the equipment. It is also important to
underst and that these CAUTIONS and NOTICES ARE NOT
EXHAU STIVE. Philips could not possibly know, evaluate and
TO ENSURE THE CONTINUED RELIABILITY OF THIS
advise the servic etrade of all conceivable ways i n which
service might be done or of the possible hazardous PRODUCT , USE ONLY ORIGINAL MANUFACTURER'S
consequences of each way. Consequently, Philips has not REPLACEMENT PAR TS, WHICH ARE LISTED WITH THEIR PART
undertaken any such broad evaluation. Accordingly, NUMBERS IN THE PARTS LIST SECTION OF THIS
who uses a servi ce procedure or tool which is not SERVICE MANUAL.
recommended by Philips 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, Philips Consumer
Electronics Company will be referred to as Philips . * *
Take care during handling the LCD module with backlight
unit
- Must mount the module using mounting holes arranged in four
WARNING
corners.
- Do not press on the panel, edge of the frame strongly or electric
Critical components having special safety characteristics are shock as this will result in damage to the screen.
identified with a by the Ref. No. in the parts list and
- Do not scratch or press on the panel with any sharp objects, such
enclosed within a broken line
as pencil or pen as this may result in damage to the panel.
(where several critical components are grouped in one area)
- Protect the module from the ESD as it may damage the electronic
along with t he safety symbol on the schematics or
circuit (C -MOS).
exploded views.
Use of substitute replacement parts which do not have the - Make certain that treatment body are grounded through
same speci fied safety characteristic s may create shock, fire, wrist band.
or other hazards . - Do not leave the module in high temperature and in areas of high
Under no circumstances should the original design be humidity for a long time.
modified or altered without written permission from Philips.
- Avoid contact with water as it may as hort circuit within the module.
Philips assumes no liability, express or implied, arising out of
- If the surface of panel become dirty, please wipe it off with a soft
any unauthorized modification of design.
material. (Cleaning with a dirty or rough cloth may damage the
Servicer assumes all liability.
panel.)
Technical Data
AUO
Scanning frequencies
Ambient temperature: 0 C - 40 C
Power input connection
Power management
Mode HS VSYN Video Pwr-con Indication Rec.
YN C s. time
C
Susceptibility of display to external environment
4 241S4LY LCD
Installation
Front View Product Description Rear View
Accessory Pack
Unpack all the parts
Installation
Troubleshooting
Troubleshooting
On-Screen Display
Description of the On Screen Display
What is the On-Screen Display?
Basic and simple instruction on the control keys.
On-Screen Display
The OSD Tree
Philips Pixel Defect Policy
Philips' Flat Panel Monitors Pixel Defect Policy
dark dot
Proximity of Pixel Defects
Pixel Defect Tolerances
Pixels and Sub pixels
ACCEPTABLE
BRIGHT DOT DEFECTS
LEVEL
MODEL 241S4L(C))(Y)
Types of Pixel Defects
bright dot
ACCEPTABLE
BLACK DOT DEFECTS
LEVEL
MODEL 241S4L(C))(Y)
ACCEPTABLE
TOTAL DOT DEFECTS
LEVEL
MODEL 241S4L(C))(Y)
bright dot
Note:
* 1 or 2 adjacent sub pixel defects = 1 dot defect
Mechanical Instruction
(For 241S4L model)
(For 241S4LC model)
1
2 4
3
Mechanical Instruction
Mechanical Instruction
241S4LY LCD 15
Color Adjustment
Alignment procedure
1. Turn on the LCD monitor
2. Turn on the Timing/pattern generator. See Fig.1
3. Preset LCD color Analyzer CA-1 10
-Remove the lens protective cover of probe CA-A30.
-Set measuring/viewing selector to measuring position for reset
analyzer .(zero calibration) as Fig.2
- Turn on the color analyzer (CA-1 10)
-Press 0-CAL button to starting reset analyzer .
Fig.5
5.Display
Press "UP" or "DOWN" button to select . Change the value
by "UP" or "DOWN" key until the X, Y co-ordinates as below
5.1 Color temperature adjustment
Fig. 1 Fig.2 There are six factory preset white color 11500K, 9300K, 8200K, 7500K,
6500K, sRGB, 5000K
4. Access Factory Mode Align by Philips PerfecTune (also called FGA) function.
1). Turn off monitor. Apply full white pattern, with brightness in 100 % position and the contrast
2). [Push "AUT O" & "MENU" buttons at the same time and hold them] control at 50 % position.
+[Press "power" button untill comes out "Windows screen" ] The 1931 CIE Chromaticity (color triangle) diagram (x , y) coordinate for
=> then release all buttons the screen center should be:
3).Press "MENU button, wait until the OSD menu with
Characters " MERIDIAN 241S4LY V1.0 2011-08-25" (below OSD menu) Product specification
come on the Screen of the monitor as shown in Fig3. CIE coordinates (x,y)
11500K x = 0.270 ◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo