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Philips 248C3LSB/00(AP) Service Manual

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TFT
inch FHD
24
Description
Important Safety Notice--------------------------------------2
Technical Data--------------------------------------------- ----3
Installation-------------------------------------------------------4
Troubleshooting---------------------------------------------5~6
On Screen Display------------------------------------------7~8
Lock/unlock, Aging,Factory mode--------------------------9
Mechanical Instructions ------------------------------11~13
Color adjustment --------------------------------------------14
Electrical instruction ----------------------------------17~18
Service Tool-----------------------------------------------19~20
DDC Instructions & Serial Number -----------------21~27
DDC DATA -----------------------------------------------28~29
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.
Published by Philips Consumer Lifestyle Copyright reserved Subject to modification
LCD Colour Monitor
248C3LSB/00
248C3LSB/01
248C3LSB/00(AP)
248C3LSB/75
248C3LSB/93
248C3LSB/25

TABLE OF CONTENTS

Page
---------------------------------10
------------------------30~31
SAFETY
REFER TO BACK COVER FOR IMPOR T ANT SAFETY GUIDELINES
Chassis:
Description
-
-----------------------------------32
Wiring Diagram----------------------------------------------33
Block Diagram------------------------------------------------34
Scaler Diagram & C.B.A. ------------------------------35~38
LED Driver
Diagram & C.B.A. -------------------------39~40
Control Diagram & C.B.A. -----------------------------41~42
LED Diagram & C.B.A.--------- -------------------------43~44
General product specification------------------------45~62
Exploded V iew -----------------------------------------------63
Spare/
Recommended P
arts List-------------------------64
PCBA photos---------------------------------------------------65
Repair tips-------------------------------------------------66~67
Repair Flow chart----------------------------------------68~69
Safety Test Requirments------------------------------------70
BZL&CTRL BD Replace ---------------------------------------71
Auto Color & User reset --------------------------------72~73
NOTICE
JMar 06 2012
MERIDIAN 3
Horizontal frequencies
30 - 8 3 kHz
Page
GB

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Summary of Contents for Philips 248C3LSB/00(AP)

  • Page 1: Table Of Contents

    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 IMPOR T ANT SAFETY GUIDELINES Published by Philips Consumer Lifestyle Copyright reserved Subject to modification JMar 06 2012...

  • Page 2: Important Safety Notice

    SERVICE MANUAL. recommended by Philips must f irst sati sfy himself thoroughly that neither his safety nor the saf e operation of the equipment will be jeopardized by the service method sel ected.

  • Page 3: Technical Data

    248C3L LCD Technical Data Type NR. : CMI M236HGE-L10 Resolution : 1920 x 1080 (FHD) PIN No. SIGNAL PIN No. SIGNAL Outside dimensions : 544.8(H) x 320.5(V) x 11.4(D) mm DDC +3.3V or +5V Pitch (mm) : 0.271mm x 0.271mm Green/ SOG Logic GND : 1920 horiz.

  • Page 4: Installation

    248C3L LCD Installation Front View Product Description Accessory Pack Unpack all the parts Connecting to Your PC 1) Connect the power cord to the back of the monitor firmly. (Philips has pre-connected VGA cable for the first installation. Rear View...

  • Page 5: Troubleshooting

    248C3L LCD Troubleshooting...

  • Page 6: Troubleshooting

    248C3L LCD Troubleshooting...

  • Page 7: On Screen Display

    What is the On-Screen Display? On-Screen Display (OSD) is a feature in all Philips LCD monitors. It allows an end user to adjust screen performance or select functions of the monitors directly through an on-screen instruction window. A user friendly on screen display interface is shown as below : Basic and simple instruction on the control keys.

  • Page 8: On Screen Display

    248C3L LCD On-Screen Display The OSD Tree Below is an overall view of the structure of the On-Screen Display. You can use this as a reference when you want to work your way around the different adjustments later on.
  • Page 9 248C3L LCD To lock/unlock OSD FUNCTION(User Mode) The OSD function can be locked by pressing"OK"button(1) for more than 10 Step 1 : Access Factory Mode then enter Factory Menu. seconds, the screen shows following windows for 4 seconds. Every time Step 2 : By pressing "...

  • Page 10: Philips Pixel Defect Policy

    Pixel Defect Tolerances In order to qualify for repair or replacement due to pixel defects during the warranty period, a TFT LCD panel in a Philips flat panel monitor must have Pixels and Sub pixels pixel or sub pixel defects exceeding the tolerances listed in the following A pixel, or picture element, is composed of three sub pixels in the primary tables.

  • Page 11: Mechanical Instructions

    248C3L LCD Mechanical Instruction Preparation before disassemble 1.Clean the room for disassemble 2.Identify the area for monitor 3.Check the position that the monitors be placed and the quantity of the monitor ;prepare the area for material flow; according to the actual condition plan the disassemble layout 4.Prepare the implement, equipments, materials as bellow: 1) Press-fixture 2) working table...

  • Page 12: Mechanical Instruction

    248C3L LCD Mechanical Instruction Disassemble the RC to Glove the BZL Unlock 6 screws Glove Disassemble the hinge and RC Disassemble the wire from Glove panel and PCBA Disassemble the C/B Glove cable from PCBA Disassemble the C/B LED board...

  • Page 13: Mechanical Instructions

    248C3L LCD Mechanical Instruction Disassemble the LVDS Glove cable and AL tape from panel and BKT Unlock 6 screws Screw-driver Glove PCBA screw: 7+1Kg Disassemble the LED Glove board and driver board...

  • Page 14: Color Adjustment

    There are six factory preset white color 11500K, 9300K, 8200K, 7500K, 6500K, sRGB, 5000K Fig. 1 Fig.2 Align by Philips PerfecTune (also called FGA) function. Apply full white pattern, with brightness in 100 % position and the contrast 4. Access Factory Mode control at 50 % position.

  • Page 15: Faqs (Frequently Asked Questions)

    248C3L LCD FAQs (Frequently Asked Questions)

  • Page 16: F Aqs (Frequently Asked Questions)

    248C3L LCD FAQs (Frequently Asked Questions)

  • Page 17: Electrical Instruction

    248C3L LCD Electrical Instructions Electrical characteristics 1. Interface signals 1.1 D-Sub Analog Input signal: Video, Hsync., Vsync Video: 0.7 Vp-p, input impedance, 75 ohm @DC Sync.: Separate sync TTL level , input impedance 2.2k ohm terminate Hsync Positive/Negative Vsync Positive/Negative Composite sync TTL level, input impedance 2.2k ohm terminate Sync on green video 0.3 Vp-p Negative (Video 0.7 Vp-p Positive) 1.2 DVI-D Digital...
  • Page 18 248C3L LCD Electrical Instructions White color adjustment There are three factory preset white color 9300K, 6500K, sRGB. Apply full gray64 pattern, with brightness in 100 % position and the contrast control at 50 % position.The 1931 CIE Chromaticity (color triangle) diagram (x ,y) coordinate for the screencenter should be: Product specification CIE coordinates (x,y)

  • Page 19: Service Tool

    248C3L LCD Service tool-Hardware PCM code 12NC 5E.L8215.001 996510019769...

  • Page 20: Service Tool

    248C3L LCD Service tool-Software FW writing tool: Easy Writer V4.54 DDC writing tool: Q-EDID-V30...
  • Page 21 248C3L LCD DDC Instructions DDC Data Re-programming In case the DDC data memory IC or main EEPROM which storage all factory settings were replaced due to a defect, the serial numbers have to be re-programmed "Analog DDC IC, Digital DDC IC & EEPROM". It is advised to re-soldered DDC IC and main EEPROM from the old board onto the new board if circuit board have been replaced, in this case the DDC data does not need to be re-programmed.
  • Page 22 248C3L LCD DDC Instructions 5. Connect and Mains cord to Monitor as shown in Fig.2. Fig.2 Pin assignments : A. 15-pin D-Sub Connector PIN No. SIGNAL PIN No. SIGNAL DDC +3.3V or +5V Green/ SOG Logic GND Blue Sense (GND) Sense (GND) Bi-directional data Cable Detect (GND)
  • Page 23 248C3L LCD DDC Instructions 6. Setup the Philips-IMS EDID Tools program Step 1: Open Q-EDID V030 Software into your folder as shown in Fig.3. and Fig.4. Fig.3 Fig.4...
  • Page 24 248C3L LCD DDC Instructions Step 2: Press “Open File” then choose 248C3L DDC FILE Fig.5...
  • Page 25 248C3L LCD DDC Instructions Step 3 : Load DDC file success as shown in Fig. 6 . Fig.Step 4 : update Serial number and press enter to correct S/N number shown as Fig.7 . Fig.7...
  • Page 26 248C3L LCD DDC Instructions Step 5 : Press “RUN” to write EDID and serial number shown as Fig.8 . Fig.8 Step 6 : EDID and serial number update success shown as Fig.9 Fig.9...
  • Page 27 248C3L LCD DDC Instructions 8. Press “Read EDID” to read EDID and serial number shown as Fig.10 . and check Serial number is the same as we set. Note: If not the same, please rewrite EDID S/N again. Fig.10 Serial Number Definition...

  • Page 28: Ddc Data

    Max Horz Image Size: 52 cm. Detailed Timing: FF (Monitor SN) 'CS3A071500001' Max Vert Image Size: 29 cm. Detailed Timing: FC (Monitor name) 'Philips 248CL' Display Gamma: Detailed Timing: FD (Monitor limits) Display Type: RGB color display Vert: 56 - 76 Hz...

  • Page 29: Ddc Data

    Detailed Timing: 1920x1080 @60Hz Composite Sync. support: Detailed Timing: FF (Monitor SN) 'CS3A071500001' Vsync. Pulse: serration not required Detailed Timing: FC (Monitor name) 'Philips 248CL' Max Horz Image Size: 52 cm. Detailed Timing: FD (Monitor limits) Max Vert Image Size: 29 cm.

  • Page 30: Firmware Upgrade For Cpu

    248C3L LCD Firmware Upgrade for CPU Step 1: Install Port95nt.exe. Re-star computer Step 2: Double click NOVATEK Tool Option: 1. Choose “MYSON” 2. IIC Speed: 1000 3. Press confirm change Step 3: Press Load File and choose *.hex...

  • Page 31: Firmware Upgrade For Cpu

    248C3L LCD Firmware Upgrade for CPU Step 4: Press “Auto” to upgrade FW Step 5: Upgrade OK...

  • Page 32: Failure Mode Of Panel

    248C3L LCD Failure Mode Of Panel Quick reference for failure mode of LCD panel this page presents problems that could be made by LCD panel. It is not necessary to repair circuit board. Simply follow the mechanical Polarizer has bubbles instruction on this manual to eliminate failure by replace LCD panel.
  • Page 38 248C3L LCD S c alar Diagram & C .B .A...

  • Page 40: Led Driver Diagram & C.b .A

    248C3L LCD LED Driver Diagram & C.B .A...
  • Page 41 White 2KV White 2KV White 2KV White 2KV White 2KV White 2KV White 2KV White 2KV...

  • Page 42: Control Diagram & C.b.a

    248C3L LCD C ontrol Diagram & C .B .A.
  • Page 43 White 2KV White 2KV White 2KV White 2KV...

  • Page 44: Led Diagram & C.b.a

    248C3L LCD LED Diagram & C.B .A...

  • Page 45: General Product Specification

    Issued by: Argent Chan/HH Chi Revision History Ver. Date (yy.mm.dd) Author Brief Description 2011.01.13 UC Hsu Initial version Blue: Changes than last version Red: TBD 248C3 Series Quick Specification table: 248C3 23.6” Wide 16:9 LCD Monitor 2011/05/02 PHILIPS 1 of 18...
  • Page 46 3.16 OWER ENSOR OPTION REFER TO UICK SPECIFICATION TABLE NOT REQUIRE IN 248C3L(H)) ......................... 11 3.17 248C3L(H))..........11 MART OWER OPTION NOT REQUIRE IN 3.18 ....................... 11 MART ESPONSE 248C3 23.6” Wide 16:9 LCD Monitor 2011/05/02 PHILIPS 2 of 18...
  • Page 47 ENVIRONMENTAL CHARACTERISTICS ..............17 ..........17 USCEPTIBILITY OF DISPLAY TO EXTERNAL ENVIRONMENT ..................... 18 RANSPORTATION TESTS ..........18 ISPLAY DISTURBANCES FROM EXTERNAL ENVIRONMENT .................18 ISPLAY DISTURBANCES TO EXTERNAL ENVIRONMENT 248C3 23.6” Wide 16:9 LCD Monitor 2011/05/02 PHILIPS 3 of 18...

  • Page 48: Foreword

    4 maximum resolution 1920x1080 5 Horizontal Frequency Range 30~83 KHz 6 Vertical Frequency Range 56~76Hz 7 Monitor Name (13 characters max.) Philips 248CL Suppliers to offer panel specifications. Panel incoming specification: Follow Philips’ specification. WLED: CMI M236HGE-L10 Type NR. : CMI M236HGE-L10...

  • Page 49: Scanning Frequencies

    Scaler should be capable of below items. 1) Scaler must support color engine for Image enhancement feature (SmartImage) 2) Scaler must have enough memory to support PerfecTune feature and Philips OSD 3) Scaler must support SmartContras, 50M:1 SCR preferred 4) VGA signal Auto adjustment: Monitor automatically adjusts and optimizes resolution and frequency based on input signal defined by “Source”...

  • Page 50: Interface

    Green/ SOG Blue Sense (GND) Cable Detect (GND) Red GND Green GND Blue GND DDC +3.3V or +5V Logic GND Sense (GND) Bi-directional data H/H+V sync V-sync Data clock 248C3 23.6” Wide 16:9 LCD Monitor 2011/05/02 PHILIPS 6 of 18...
  • Page 51 No Connect No Connect +5V Power Ground (for +5V) Hot plug detect T.M.D.S. data0- T.M.D.S. data0+ T.M.D.S. data0 shield No Connect No Connect T.M.D.S clock shield T.M.D.S. clock+ T.M.D.S. clock- 248C3 23.6” Wide 16:9 LCD Monitor 2011/05/02 PHILIPS 7 of 18...

  • Page 52: Timing Requirement

    Can save those timing that not in Preset mode and can be showed (not over scaler or Panel spec.) It needs to reserve the 10 timings space in memory size. 248C3 23.6” Wide 16:9 LCD Monitor 2011/05/02 PHILIPS 8 of 18...

  • Page 53: Osd/Keypad Functions

    OSD Translation 8 LANGUAGES, w/o Turkish. Power On logo Power On Logo: Power On Show up Philips logo 3 seconds Change to input signal. This picture is reference only. The official drawing will send out by PM.

  • Page 54: Horizontal Scanning

    3.11 DDC /CI Support and Smart Manage/Control In accordance with VESA DDC/CI and MCCS ver.2.0, the monitor should be workable with , Philps SmartManage, SmartControl V6.1, and Protrait Display Tune at least. 248C3 23.6” Wide 16:9 LCD Monitor 2011/05/02 PHILIPS 10 of 18...

  • Page 55: Pivot Function (Option , Refer To Quick Specification Table)

    (1) Input signal : As defined in 3.3, 1920 x 1080 non-interlaced mode (1920 x 1080@60 Hz), signal sources must have 75 ohm output impedance. 248C3 23.6” Wide 16:9 LCD Monitor 2011/05/02 PHILIPS 11 of 18...

  • Page 56: Brightness

    = 0.329 ± 0.006 sRGB x = 0.313 ± 0.006 PerfecTune II y = 0.329 ± 0.006 5000K x = 0.345 ± 0.006 PerfecTune II y = 0.357 ± 0.006 248C3 23.6” Wide 16:9 LCD Monitor 2011/05/02 PHILIPS 12 of 18...
  • Page 57 = 0.283 ± 0.015 y = 0.297 ± 0.015 6500K/sRGB x = 0.313 ± 0.015 y = 0.329 ± 0.015 sRGB x = 0.313 ± 0.015 y = 0.329 ± 0.015 248C3 23.6” Wide 16:9 LCD Monitor 2011/05/02 PHILIPS 13 of 18...

  • Page 58: Mechanical Characteristics

    Mechanical characteristics Cosmetic - Philips ID Mechanical data files - ProE files required Location of Philips logo - Per Philips make-up sheet Gap between panel and front bezel < 1.2mm (Typ.) Location of Control icons - Per Philips Graphic sheet...

  • Page 59: Plastics Flammability

    Portrait Display : nil 5.14 Kensington Lock Must meet Kensington_slot.spec “TYE-M0004”. MMD request metal plate in Kensington hole. Product dimension / Weight ( Refer to Philips approved SHT 191/SHT560 ) 5.15 Unit dimension : 443*579*194 Packed unit dimension: 500*632*112 mm Net weight : 4.7394 kg...

  • Page 60: Transportation

    3. Cold Drop test (for design reference) Un-package test 1. Sine vibration (operating) 2. Half sine shock test (non operation) 5.17 Pallet / Container loading (Refer to Philips approved SHT 560) Transportation standards refer to TYE-M0002 ,UAN-D1534 and UAW-0309. Air shipment - 248C3 23.6”...

  • Page 61: Environmental Characteristics

    Susceptibility of display to external environment Operating - Temperature : 0 to 40 degree C - Humidity : 80% max - Altitude : 0-3658m 248C3 23.6” Wide 16:9 LCD Monitor 2011/05/02 PHILIPS 17 of 18...

  • Page 62: Transportation Tests

    Note: recommend at 5 to 35 C, Humidity less than 60 % Transportation tests Refer to 5.15.2 Display disturbances from external environment According to IEC 801-2 for ESD disturbances Display disturbances to external environment 248C3 23.6” Wide 16:9 LCD Monitor 2011/05/02 PHILIPS 18 of 18...
  • Page 63 248C3L LCD...

  • Page 64: Spare/ Recommended P Arts List

    27PCS CB1 CD1 CBM CDM CB5 CB6 CB4 CD4 CDB location Description PCM code Philips 12NC CMI CMI CMI CMI CMI CMI CMI CMI CMI MAIN (I/F) BOARD ASS'Y 5E.1GV01.002 LED DRIVER BD ASS'Y 5E.1GV33.001 LCDM23.6W CMI M236HGE-L10 P (CMI) 5F.LMCPP.001...

  • Page 65: Pcba Photos

    248C3L LCD Panel & PCBA photos ITEM PCM Description LCDM23.6W CMI 5F.LMCPP.001 M236HGE-L10 P (CMI) 5E.1GV01.002 MAIN (I/F) BOARD ASS'Y 5E.1GV33.001 LED DRIVER BD ASS'Y ASSY CTRL BD 5E.1GV03.001 (under BZL assy_FRONT (under BZL BEZEL ASS'Y (Black)with 6K.1GV07.001) CTRL+LED BD) LED BD ASS'Y 5E.1GV26.001 (under BZL assy_FRONT...
  • Page 66 248C3L LCD 1.4 Attachment of SMDs 0. Warning - Locate the SMD on the solder lands by means of tweezers and solder the component on one side. Ensure that the component is positioned All ICs and many other semi -conductors are susceptible to correctly on the solder lands (see Fig.2A).
  • Page 67 IC data sheet. So as not to damage neighbouring components, it may be necessary to reduce some temperatures and times. More Information For more information on how to handle BGA devices, visit this URL: http://www.atyourservice.ce.philips.com (needs subscription). After login, select Magazine, then go to Workshop Information. Here you will find Information on how to deal with BGA-ICs.

  • Page 68: Repair Flow Chart

    248C3L LCD Repair Flow Chart Bad Power Board Power Board Check Scaler Board Bad Scaler Board...

  • Page 69: Repair Flow Chart

    248C3L LCD Repair Flow Chart Check Power Board Check LCD Panel Control Board Board...

  • Page 70: Safety Test Requirements

    248C3L LCD Safety Test Requirements 3. Equipments and Connection All units that are returned for service or repair must 3.1. Equipments pass the original manufactures safety tests. Safety For example : testing requires both Hipot and Ground Continuity - Zentech 9032 PROGRAMMABLE AUT O SAFETY testing.
  • Page 71 248C3L LCD Philips Monitor Bezel and CTRL BD replace SOP For “touch key function” models, we would add Mylar with glue between Bezel and CTRL BD in order to make the touch function more sensitive. But due to the Bezel and CTRL BD are hard to separate, we suggest that for service repair please replace the whole module.
  • Page 72 248C3L LCD Philips M3/M4 Series Auto Color SOP Step 1: Setup input timing (1280*1024@75Hz) and enter factory mode (press “Menu” & “Down” & “Power” buttons at the same time to turn on monitor). Step 2: Move cursor into “Burn-in Mode” and select “Yes” to enable burn-in mode.
  • Page 73 248C3L LCD Philips M3/M4 Series User reset SOP Step 1: Turn on Monitor and Press “Menu” button to enter into user mode Choose “Setup” ->”Reset” ->”Yes”. Step 2: Run “Auto Adjustment”...

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