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Philips 190E2FB/00 Service Manual
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Philips 190E2FB/00 Service Manual

19 inch tft wxga lcd colour monitor
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Download this manual See also: User Manual
19 inch TFT WXGA LCD Colour Monitor
Description
Important Safety Notice--------------------------------------2
Technical Data--------------------------------------------- 3~5
Installation-------------------------------------------------------6
Troubleshooting-----------------------------------------------7
On Screen Display-----------------------------------------8~9
Lock/unlock, Aging,Factory mode------------------------10
Mechanical Instructions ------------------------------12~15
Color adjustment --------------------------------------------16
Electrical instruction ----------------------------------19~20
Service Tool-----------------------------------------------21~22
DDC Instructions & Serial Number -----------------23~29
DDC DATA -----------------------------------------------30~31
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
190E2FB/00
190E2FB/93
190E2FB/62
190E2FB/00 (AP)
190E2FB/69
190E2FB/96

TABLE OF CONTENTS

Page
---------------------------------11
------------------------32~33
SAFETY
REFER TO BACK COVER FOR IMPOR T ANT SAFETY GUIDELINES
Chassis:
Description
-
-----------------------------------34
Wiring Diagram--------------------------------------------35
Block Diagram----------------------------------------------36
Scaler Diagram & C.B.A. ----------------------------37~43
Power Diagram & C.B.A. ---------------------------44~47
Control Diagram & C.B.A. ---------------------------48~49
General product specification----------------------52~81
Exploded V iew ----------------------------------------------82
Spare/
Recommended P
arts List-----------------------83
PCBA photos--------------------------------------------------84
Repair tips-----------------------------------------------85~86
Repair Flow chart--------------------------------------87~89
Safety Test Requirments-----------------------------------90
NOTICE
JJul 19 2010
MERIDIAN 2
Horizontal frequencies
30 - 8 3 kHz
Page
GB
312278518590

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  • Page 1: Table Of Contents

    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 312278518590 Published by Philips Consumer Lifestyle Copyright reserved Subject to modification JJul 19 2010...

  • 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

    190E2 LCD Technical Data CMO panel Type NR. : M190A1-L0G Resolution : 1400x900 (WXGA+) Outside dimensions : 428 (H) x 278(V) x 16.5(D) mm (Typ.) Pitch (mm) : 0.2835mm x 0.2835mm PIN No. SIGNAL PIN No. SIGNAL : 14400 horiz. By 900 vert. Pixels RGB DDC +3.3V or +5V Color pixel arrangement strip arrangement...
  • Page 4 190E2 LCD Technical Data SEC panel Type NR. : LTM190BT03 Resolution : 1440x900 (WXGA+) : 428.0 (H) x 278.0 (V) x 17.0 (D) mm Outside dimensions (Typ) PIN No. SIGNAL PIN No. SIGNAL Pitch (mm) : 0.2835(H) x 0.2835(V) DDC +3.3V or +5V Color pixel arrangement : RGB vertical stripe Green/ SOG Logic GND...

  • Page 5: Technical Data

    190E2 LCD Technical Data IVO panel Type NR. : M190RWW3 R3 Resolution : 1400x900 (WXGA+) Outside dimensions : 428 (H) x 278(V) x 15.5(D) mm (Typ.) Pitch (mm) : 0.2835mm x 0.2835mm : 14400 horiz. By 900 vert. Pixels RGB PIN No.

  • Page 6: Installation

    190E2 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 7: Troubleshooting

    190E2 LCD Troubleshooting This page deals with problems that can be corrected by a user. If the problem still persists after you have tried these solutions, contact Philips customer service representative. Common Problems Having this problem Check these items 1. Make sure the power cord is plugged into the power outlet and into the back of No Picture the monitor.

  • Page 8: 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 9 190E2 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. Resolution notification This monitor is designed for optimal performance at its native resolution, 1440x900@60Hz.
  • Page 10 190E2 LCD To lock/unlock OSD FUNCTION(User Mode) The OSD function can be locked by pressing"OK"button(1) for more than 10 seconds, the screen shows following windows for 4 seconds. Every time Step 1 : Access Factory Mode then enter Factory Menu. when you press"OK"...

  • Page 11: 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 12: Mechanical Instructions

    190E2 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 13: Mechanical Instruction

    190E2 LCD Mechanical Instruction disassembly the bezel When disassembly from the monitor, notice the bezel ,notice don’t the disassembly order : bend the C/B and the 1.Top (1) parts of bezel LED Board must 2.Left (2) parts of bezel wear glove 3.
  • Page 14 190E2 LCD Mechanical Instruction Pull out these lamp wires. 2 lamp Wires Take off the Tape AL*1 Take off the Tape AL*2 Unlock the LVDS-FFC by using two hands(see note). The locking-latch of LVDS cable’s Disassemble the Screw-driver hexangular screws*4 Turn over the Main-BKT.

  • Page 15: Mechanical Instructions

    190E2 LCD Mechanical Instruction Uplift the I/F. Pull out the Notes: Pull the cable of Power board in connect upright I/F Board. Take the I/F Board from Main-BKT and then put it on the cushion Disassemble the Screw-driver AC-Socket from the P/B and The main-BKT.

  • Page 16: Color Adjustment

    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 [Push "AUT O"...

  • Page 17: Faqs (Frequently Asked Questions)

    Q: Can I connect my LCD monitor to any PC, workstation or Mac? to recall all of the original factory settings. A: Yes. All Philips LCD monitors are fully compatible with standard PCs, Macs and workstations. You may need a cable adapter to connect the monitor to your Mac system.
  • Page 18 Q: Does the LCD monitor conform to general safety standards? this reason, the current in an active matrix display can be switched on A: Yes. Philips LCD monitors conform to the guidelines of TCO Displays and off more frequently, improving the screen refresh time (your mouse 5.0 standards for the control of radiation, electromagnetic waves, energy...
  • Page 19 190E2 LCD 3.2.1. Need to support those timings. Electrical characteristics 3.2.2. Perfect FOS after auto adjustment. 1. Interface signals 1.1. D-Sub Analog Input signal: Video, Hsync., Vsync c Video: 0.7 Vp-p, input impedance, 75 ohm @DC 3.3. 3.3 User mode Sync.: Separate sync 3.1.1.
  • Page 20 There are six factory preset white color 11500K, 9300K, 8200K, 7500K, 6500K, sRGB, 5000K Align by Philips PerfecTune (also called FGA) function. Apply full white pattern, with brightness in 100 % position and the contrast control at 50 % position.

  • Page 21: Service Tool

    190E2 LCD Service tool-Hardware PCM code 12NC 5E.L8215.001 996510019769...

  • Page 22: Service Tool

    190E2 LCD Service tool-Software FW writing tool: Easy Writer V4.54 DDC writing tool: Q-EDID-V16...
  • Page 23 190E2 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 24: Pin Assignments

    190E2 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 25 190E2 LCD DDC Instructions 6. Setup the Philips-IMS EDID Tools program Step 1: Open Q-EDID Software into your folder as shown in Fig.3. and Fig.4. Fig.3 Fig.4...
  • Page 26 190E2 LCD DDC Instructions Step 2: Press “Open File” then choose LCD_Analog.ddc or LCD_DVI.ddc as shown in Fig. 5 . Fig.5...
  • Page 27 190E2 LCD DDC Instructions Step 3 : Load DDC file success as shown in Fig. 6 . Fig.6 Step 4 : update Serial number and press enter to correct S/N number shown as Fig.7 . Fig.7...
  • Page 28 190E2 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 29 190E2 LCD DDC Instructions 8. Press Monitor Menu Key to check OSD Serial number is the same as PI-EDID write data as shown in Fig.10 Note: If not the same, please rewrite EDID S/N again. Fig.14 9 Turn off the monitor, exit the factory mode. Serial Number Definition...

  • Page 30: Ddc Data

    190E2 LCD DDC DATA Analog DDC //////////Displaying Monitor EDID////////// <---Color Characteristics---> Red x: 0.635742 Red y: 0.329101 128 bytes EDID Data (Hex): Green x: 0.299804 Green y: 0.595703 Blue x: 0.150390 Blue y: 0.055664 0: 00 FF FF FF FF FF FF 00 41 0C White x: 0.313476 10: 65 C0 01 00 00 00 0A 13 01 03...

  • Page 31: Ddc Data

    190E2 LCD DDC DATA DVI DDC //////////Displaying Monitor EDID////////// <---Color Characteristics---> Red x: 0.639648 Red y: 0.330078 128 bytes EDID Data (Hex): Green x: 0.299805 Green y: 0.599609 Blue x: 0.150391 Blue y: 5.95703e-002 0: 00 FF FF FF FF FF FF 00 41 0C White x: 0.313477 10: 65 C0 01 00 00 00 0A 13 01 03...

  • Page 32: Firmware Upgrade For Cpu

    190E2 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 33 190E2 LCD Firmware Upgrade for CPU Step 4: Press “Auto” to upgrade FW Step 5: Upgrade OK...

  • Page 34: Failure Mode Of Panel

    190E2 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 46 84. 008 M 3. 030 84. 008 M 3. 030...

  • Page 51: Led Diagram & C.b

    190E2 LCD LED Diagram & C.B .A...

  • Page 52: General Product Specification

    Meridian 2-190E2plus GENERAL PRODUCT SPECIFICATION Issued by: Paul Tsai/Argent Chan Revision History Ver. Date (yy.mm.dd) Author Brief Description 2010.06.10 Initiate version Blue : changes in this version Red : open/reminding 190E2plus 19” Wide 16x10 LCD Monitor 2010/06/10 PHILIPS 1 of 30...
  • Page 53 . SMART CONTRAST & SMART IMAGE & SMART RESPONSE (OVER DRIVE) SMARTContrast: > 7362000:1(Typical) SI to input exact measurement value .SMART CONTROL & SMART MANAGEMENT REQUIREMENT .TrueVision (formerly PerfectTuneII or FGA, FACTORY GAMMA ALIGNMENT) .WEEE REQUIREMENT .RoHS REQUIREMENT 190E2plus 19” Wide 16x10 LCD Monitor 2010/06/10 PHILIPS 2 of 30...
  • Page 54 YNAMIC CONTRAST RATIO 3.15 ) ..................... 14 MART RESPONSE OVER DRIVE 3.16 ......................... 14 MART IMAGE VISUAL CHARACTERISTICS...................... 18 ........................18 EST CONDITIONS ........................... 18 RIGHTNESS ..........................18 MAGE SIZE 190E2plus 19” Wide 16x10 LCD Monitor 2010/06/10 PHILIPS 3 of 30...
  • Page 55 ............24 USCEPTIBILITY OF DISPLAY TO EXTERNAL ENVIRONMENT ......................25 RANSPORTATION TESTS ............25 ISPLAY DISTURBANCES FROM EXTERNAL ENVIRONMENT ............. 25 ISPLAY DISTURBANCES TO EXTERNAL ENVIRONMENT RELIABILITY ..........................25 190E2plus 19” Wide 16x10 LCD Monitor 2010/06/10 PHILIPS 4 of 30...
  • Page 56 190E2 LCD General Product Specification ..................... 25 ETWEEN AILURES QUALITY ASSURANCE REQUIREMENTS................. 25 ......................... 25 CCEPTANCE TEST PHILIPS’ FLAT PANEL MONITORS PIXEL DEFECT POLICY ..........26 REGULATORY COMPLIANCE ....................30 10.1 ..................... 30 ORLDWIDE EGULATORY 10.2 EMC R ......................30 EQUIREMENTS 10.3...

  • Page 57: Foreword

    30 minutes that brightness stability is optimal, and follow strictly after panel specification. PRODUCT PROFILE This display monitor unit is a color display monitor enclosed in PHILIPS styling cabinet which has an integrated tilt base. Type NR.

  • Page 58: Scanning Frequencies

    (1) D-SUB analog R/G/B separate inputs, H/V sync separated, Composite (H+V) TTL level, SOG sync (2) DVI digital Panel Link TMDS inputs Ambient temperature: 0 C - 40 C Electrical characteristics 190E2plus 19” Wide 16x10 LCD Monitor 2010/06/10 PHILIPS 7 of 30...

  • Page 59: Interface Signals

    Input signal: Single TMDS link (Three channels: RX0-/+, RX1-/+, RX2-/+) 3). USB PLUG support Input signal: Upstream input (V , D+, D-, GND) via USB-B receptacle. Output signal: Downstream output (V , D+, D-, GND) through USB-A receptacle 190E2plus 19” Wide 16x10 LCD Monitor 2010/06/10 PHILIPS 8 of 30...

  • Page 60: Interface

    The input signals are applied to the display through DVI-D cable. Length : 1.8 M +/- 50 mm Connector type : DVI-D male with DDC-2B pin assignments White connector thumb-operated jackscrews 190E2plus 19” Wide 16x10 LCD Monitor 2010/06/10 PHILIPS 9 of 30...
  • Page 61 T.M.D.S clock shield T.M.D.S. clock+ T.M.D.S. clock- 3.2.3 USB Cable (High Full Speed) (N/A) 3.2.4 Audio cable (N/A) 3.2.5 HDMI Type A cable pin out (N/A) 3.2.6 S/PDIF output (N/A) 190E2plus 19” Wide 16x10 LCD Monitor 2010/06/10 PHILIPS 10 of 30...

  • Page 62: Timing Requirement

    50Hz: 576p/720p/1080i/1080p (Since Panel Vsync support Frequence is 53 ~ 76 Hz, can’t make sure that 50Hz timings are able to display normally, no de-interlace function for interlace video timing.) 190E2plus 19” Wide 16x10 LCD Monitor 2010/06/10 PHILIPS 11 of 30...

  • Page 63: Horizontal Scanning

    OSD LANGUAGES 9 LANGUAGES OSD TREE 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 64: Power Input Connection

    3.11 DDC /CI Support In accordance with VESA DDC/CI and MCCS ver.2.0, the monitor should be workable with Philps SmartManage lite, SmartControl II, and Protrait Display Tune at least. 190E2plus 19” Wide 16x10 LCD Monitor 2010/06/10 PHILIPS 13 of 30...

  • Page 65: Data For Edid & Inf File

    190E2plus 3.13 Hot-key definition Any deviation between document and sample, please refer to Philips approved sample. 3.14 Smart contrast Smart Contrast is a kind of backlight control. This function changes the panel backlight changes according to the frame brightness histogram.

  • Page 66: Smart Image

    D. Except using [MENU] button to scroll down profile. If Smart Image OSD already launched onscreen. User is allowed to use up/down key to choose profile and press [MENU] to confirm selection and close the Smart Image OSD. 190E2plus 19” Wide 16x10 LCD Monitor 2010/06/10 PHILIPS 15 of 30...
  • Page 67 When switch back from other SmartImage profiles, it will go back to last saved setting. 2. Default out of box settings 3. Same as OFF mode settings in SmartImage 190E2plus 19” Wide 16x10 LCD Monitor 2010/06/10 PHILIPS 16 of 30...
  • Page 68 Dynamically split screen to 2 vertical frames with one vertical white line. The line width is 2 pixels. The left frame will be enhanced by SmartImage Lite and right frame remains original performance. 190E2plus 19” Wide 16x10 LCD Monitor 2010/06/10 PHILIPS 17 of 30...

  • Page 69: Visual Characteristics

    Set contrast at 100% and turn the brightness to get average above 250 nits at centre of the screen. Apply the Fig 1, it should comply with the following formula: 190E2plus 19” Wide 16x10 LCD Monitor 2010/06/10 PHILIPS 18 of 30...

  • Page 70: Check Cross Talk (S)

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

  • Page 71: Mechanical Characteristics

    = 0.329 ± 0.015 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 < 1.0 mm 190E2plus 19” Wide 16x10 LCD Monitor...

  • Page 72: Location Of Control Icons

    All Plastics to be Flame Retardant UL 94-HB or Better. Base / Pedestal to be Flame Retardant UL 94-HB. All major plastic parts (bezel, back cover) need to be molded from same resin. Plastic resin type selection should be referred to “plastic-Philips Pool monitor”. 5.12 Texture/Glossing of housing The texture area and texture no should follow Philips make-up sheet.

  • Page 73: Tilt And Swivel Base

    Detail document refer to Philips Engineering Reference Book. 5.16 Product dimension / Weight (( Refer to Philips approved SHT 191/SHT560 ) ) Unit dimension : 442.7 mm (W) * 368.45 mm(H) * 170.00 mm(D) Packed unit dimension: 495 mm(W) * 418 mm(H) * 142 mm(D) for WW...
  • Page 74 Package test 1. Random Vibration test 2. Drop test 3. Cold Drop test (for design reference) Un-package test 1. Sine vibration (operating) 2. Half sine shock test (non operation) 190E2plus 19” Wide 16x10 LCD Monitor 2010/06/10 PHILIPS 23 of 30...

  • Page 75: Pallet / Container Loading

    Susceptibility of display to external environment Operating - Temperature : 0 to 40 degree C - Humidity : 80% max - Altitude : 0-3658m - Air pressure : 600-1100 mBAR Storage 190E2plus 19” Wide 16x10 LCD Monitor 2010/06/10 PHILIPS 24 of 30...

  • Page 76: Transportation Tests

    System MTBF (Including the LCD panel and CCFL) : 50,000 hrs Quality assurance requirements Acceptance test According to MIL-STD-105D Control II level AQL: 0.4 (major) 1.5 (minor) (Please also refer to annual quality agreement) Customer acceptance criteria: UAW0377/00 190E2plus 19” Wide 16x10 LCD Monitor 2010/06/10 PHILIPS 25 of 30...
  • Page 77 190E2 LCD General Product Specification Philips’ Flat Panel Monitors Pixel Defect Policy Philips’ Flat Panel Monitors Pixel Defect Policy BRIGHT DOT DEFECTS ACCEPTABLE LEVEL 190E2 MODEL plus 1 lit sub-pixel 2 adjacent lit sub-pixels 3 adjacent lit sub-pixels (one white pixel)
  • Page 78 190E2 LCD General Product Specification Fig 1: Measurement locations of Brightness Uniformity 190E2plus 19” Wide 16x10 LCD Monitor 2010/06/10 PHILIPS 27 of 30...
  • Page 79 190E2 LCD General Product Specification Fig 2: Cross talk pattern Gray level 46 (64 Gray level) Fig 3: Cross talk Pattern Center at Gray level 0 (Black) 190E2plus 19” Wide 16x10 LCD Monitor 2010/06/10 PHILIPS 28 of 30...
  • Page 80 190E2 LCD General Product Specification SEPARATE SYNC. VIDEO HORIZONTAL VIDEO VERTICAL COMPOSITE SYNC. VIDEO HORIZONTAL FIG-4 TIMING CHART -1 190E2plus 19” Wide 16x10 LCD Monitor 2010/06/10 PHILIPS 29 of 30...

  • Page 81: General Product Specification

    Restriction on the use of certain hazardous substances. Lead, Cadmium, Mercury, Hexavalent Chromium, Polybrominated Bipheny1 (PBB) and Polybrominated Bipheny1 Ether (PBDE)(flame retardant). 10.4 WEEE Producer (Philips) responsible for retailer take back schemes and recycling. --System implemented. --Collection and recycle targets. 10.5 Ongoing Regulatory There's a possibility that other regulatory certificates will be required during the life of the product.

  • Page 83: Spare/ Recommended P Arts List

    CB1 SB1 VB1 TB1 CB5 SB5 VB5 TB5 CB7 SB7 VB7 TB7 CB3 SB3 VB3 TB3 CB4 SB4 VB4 TB4 C28 S28 V28 T28 location Description PCM code Philips 12NC CMO SEC IVO SEC2 CMO SEC IVO SEC2 CMO SEC IVO SEC2 CMO SEC IVO SEC2CMO SEC IVO SEC2 CMO SEC IVO SEC2 5E.19Y01.001 5E.19Y01.011 MAIN (I/F) BOARD ASS'Y 5E.19Y01.002...

  • Page 84: Pcba Photos

    190E2 LCD Panel & PCBA photos ITEM PCM Description LCDM19 M190A1-L0G CMO P 5F.LM9PP.001 (CMO) LCDM19W LTM190BT03 SEC P 5F.LS8PP.001 (SEC) LCDM19 IVO M190MWW3 R3 5F.LD8PP.011 (IVO) LCDM19W LTM190BT03- 5F.LS8PP.011 A15/A16 P (SEC) 5E.19Y01.001 MAIN (I/F) BOARD ASS'Y 5E.19Y01.011 MAIN (I/F) BOARD ASS'Y 5E.0V202.001 POWER BOARD ASS'Y 6K.0KJ07.001 ASSY CTRL BD+FFC CABLE 5E.0V126.001 LED BD ASS'Y...
  • Page 85 190E2 LCD 0. Warning 1.4 Attachment of SMDs All ICs and many other semi -conductors are susceptible to - Locate the SMD on the solder lands by means of tweezers and solder electrostatic discharges (ESD). Careless handling during repair can the component on one side.
  • Page 86 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 87: Repair Flow Chart

    190E2 LCD Repair Flow Chart Bad Power Board Power Board Check Scaler Board Bad Scaler Board...
  • Page 88 190E2 LCD Repair Flow Chart Check Power Board Check LCD Panel Control Board Board...

  • Page 89: Repair Flow Chart

    190E2 LCD Repair Flow Chart Check Power Board Check LCD Panel Control Board Board...

  • Page 90: Safety Test Requirements

    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.

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