Philips 237E4QSD/93 Service Manual
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Philips 237E4QSD/93 Service Manual

23? lcd color monitor
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23" LCD Color Monitor
237E4QSD/93
Service
237E4QSD/01
Service
237E4QSD/00
Service
237E4QSD/96
Description
Table of Contents......................................................1
Revision List.............................................................2
Important Safety Notice............................................3
1. Monitor Specifications............................................5
2. LCD Monitor Description........................................8
3. Operation Instructions..........................................9
3.1 General Instructions.....................................9
3.2 Control Buttons.........................................9
3.3 OSD Menu......................................................10
4. Input/output Specification.....................................11
4.1 Input Signal Connector.......................................11
5. Block Diagram...............................................15
5.1 Scaler Board.....................................................15
6. Schematic Diagram.............................................. 16
6.1 Scaler Board..............................................16
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
REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINES
Copyright 2012 Philips Consumer Lifestyle
Page
Description
6.2 Key Board.......................................................22
7. PCB Layout................................................23
7.1 Scaler Board............................................23
7.2 Key Board..................................................23
8. Wiring Diagram.............................................24
9. Scaler Board Overview...................................25
10. Mechanical Instructions...............................26
11. Repair Flow Chart........................................28
12. ISP Instructions..................................................32
13. DDC Instructions................................................39
15. Monitor Exploded View.......................................52
16. Recommended & Spare Parts List......................53
17. Different Parts List........................................55
18. General Product Specification.........................56
SAFETY NOTICE
Subject to modification ○
K
Chassis: Meridian 4
Jun.27, 2012
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Summary of Contents for Philips 237E4QSD/93

  • Page 1: Table Of Contents

    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 REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINES Subject to modification ○ Copyright 2012 Philips Consumer Lifestyle Jun.27, 2012...

  • Page 2: Revision List

    Meridian 4 Revision List Version Release Date Revision History JUL-09-2012 Initial release, Draft Version,add model 237E4QSD/93 AUG-23-2012 Add model 237E4QSD/01 AUG-29-2012 Add model 237E4QSD/00 JUL-04-2013 Add model 237E4QSD/96...

  • Page 3: Important Safety Notice

    Meridian 4 Important Safety Notice This electronic user guide is intended for anyone who uses the Philips monitor. Take time to read this user manual before you use your monitor. It contains important information and notes regarding operating your monitor. The...
  • Page 4 Meridian 4  IMPORTANT: Always activate a moving screen saver program when you leave your monitor unattended. Always activate a periodic screen refresh application if your monitor will display unchanging static content. Uninterrupted display of still or static images over an extended period may cause “burn in”, also known as “after-imaging”...

  • Page 5: Monitor Specifications

    Meridian 4 1. Monitor Specifications...
  • Page 6 Meridian 4...
  • Page 7 Meridian 4 Note: 1. EPEAT Gold or Silver is valid only where Philips registers the product. Please visit www.epeat.net registration status in your country. 2. This data is subject to change without notice. Go to www.philips.com/support to download the latest...

  • Page 8: Lcd Monitor Description

    Meridian 4 2. LCD Monitor Description The LCD monitor will contain a scaler board, a power board, a LED board and a key board. The scaler board houses the flat panel control logic, brightness control logic and DDC. The power board will provide AC to DC inverter voltage to drive the backlight of panel and the scaler board chips each voltage.

  • Page 9: Operation Instructions

    Meridian 4 3. Operating Instructions...

  • Page 10: Osd Menu

    Meridian 4...

  • Page 11: Input/Output Specification

    Meridian 4 4. Input/Output Specification 4.1 Input Signal Connector Analog Connectors Signal Name Signal Name Pin No. Pin No. DDC +3.3V or +5V Green/ SOG Logic GND Blue Sense (GND) Sense (GND) Bi-directional data Cable Detect (GND) H/H+V sync Red GND V-sync Green GND Data clock...
  • Page 12 Meridian 4 Digital Connectors (Option) Signal Name Pin No. Signal Name Pin No. T.M.D.S. data2- No Connect T.M.D.S. data2+ +5V Power T.M.D.S. data2 shield Ground (for +5V) No Connect Hot plug detect No Connect T.M.D.S. data0- DDC clock T.M.D.S. data0+ DDC data T.M.D.S.
  • Page 13 Meridian 4 4.2 Philips’ Flat Panel Monitors Pixel...
  • Page 14 Meridian 4...

  • Page 15: Block Diagram

    5. Block Diagram 5.1 Scaler Board(715G5283M02000004S) 04.SCALER 05.PANEL INTERFACE 02.INPUT VLCD GNDR GNDR VLCD GNDG GNDG GNDB GNDB HSY NC HSY NC VSY NC VSY NC DDCA_SDA DDCA_SDA DDCA_SCL DDCA_SCL HDMI2_D2+ HDMI2_D2+ HDMI2_D2- HDMI2_D2- HDMI2_D1+ HDMI2_D1+ HDMI2_D1- HDMI2_D1- HDMI2_D0+ HDMI2_D0+ +5V_SB HDMI2_D0- HDMI2_D0-...

  • Page 16: Schematic Diagram

    Meridian 4 6. Schematic 6.1 Scaler Board(715G5283M02000004S) Remark: Parts position can be searched by using FIND function in PDF. INPUT RED- RED+ FB101 19 OHM 500mA R102 100OHM C102 47NF 16V GREEN- GREEN+ FB102 19 OHM 500mA R103 100OHM C103 47NF 16V BLUE- BLUE+ FB103...
  • Page 17 Meridian 4 Remark: Parts position can be searched by using FIND function in PDF. HDMI1 CN103 NC/HDMI HDMI1/D2+ HDMI1_D2+ 5 D2 Shield HDMI1/D2- HDMI1_D2- 5 HDMI1/D1+ HDMI1_D1+ 5 D1 Shield HDMI1/D1- HDMI1_D1- 5 HDMI1/D0+ HDMI1_D0+ 5 D0 Shield HDMI1/D0- HDMI1_D0- 5 HDMI1/CK+ HDMI1_CK+ 5 DET_HDMI...
  • Page 18 Meridian 4 Remark: Parts position can be searched by using FIND function in PDF. CN802 CN803 BIN8 VCC3.3 DVDD FB405 FB409 FB402 BIN6 AUDIO_VDD TVCC OSC_VDD VCC3.3 120OHM VCC3.3 120OHM 120OHM C405 FB404 VLED 100N 16V VCC3.3 120OHM BIN4 VCC3.3 BIN2 NC/CONN C416...
  • Page 19 Meridian 4 Remark: Parts position can be searched by using FIND function in PDF. PA[0..9] PB[0..9] PA[0..9] PB[0..9] LVB0M CN408 LVA0M LVB0P CONN LVA0P LVB1M LVB0M RXO0- PANEL INTERFACE LVA1M LVB1P LVB0P RXO0+ LVA1P LVB2M LVB1M RXO1- LVA2M LVB2P LVB1P RXO1+ LVA2P LVBCKM...
  • Page 20 Meridian 4 Remark: Parts position can be searched by using FIND function in PDF. FB602 NC/60 OHM CN601 FB603 AUDIO NC/60 OHM NC/PHONEJACK ZD601 Del R615,FB605 NC/RLZ5.6B R614 NC/0R05OHM1/8W R607 C611 NC/1uF 16V NC/0R05 1/16W AOUT_L C612 NC/1uF 16V AOUT_R R608 NC/0R05 1/16W R602...
  • Page 21 Meridian 4 Remark: Parts position can be searched by using FIND function in PDF. VCC3.3 +5V_SB NC/G903T63UF VCC3.3 U701 U703 D702 NC/G912T63U D703 VOUT VCC3.3 SR34 POWER SR34 C705 C703 C704 100N 16V 100uF/16V 100N 16V D704 SR34 U704 U702 VCC1.2 G912PT43U BL9110-330BPEA...

  • Page 22: Key Board

    SmartImage Brightness SmartPower Menu Power T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size PHILIPS 絬 隔 瓜 絪 腹 715G5453-K0A-000-0040-111123 TPV MODEL 227E4 Key Component 12.KEY -TOUCHPAD_LED PCB NAME 715G5453-K0A-000-0040 称 爹 <称爹>...

  • Page 23: Pcb Layout

    Meridian 3 7. PCB Layout 7.1 SCALER BOARD（715G5283M02000004S） REMARK: PARTS POSITION CAN BE SEARCHED BY USING FIND FUNCTION IN PDF. 7.2 KEY BOARD （715G5453K01000004S） Remark: Parts position can be searched by using FIND function in PDF.

  • Page 24: Wiring Diagram

    Meridian 4 8.Wiring Diagram...

  • Page 25: Scaler Board Overview

    9. Scaler Board Overview FFC Connector DC-DC Flash ROM Scaler IC DVI EEPROM VGA EEPROM...

  • Page 26: Mechanical Instructions

    Meridian 4 10. Mechanical Instructions Step 1: Remove the stand base ASSY and rear cover 1. Open the latches and along the red arrowhead direction as the picture to open other latches. 2. Unscrew the screws as following step...
  • Page 27 Step 2: Remove the main board 3. Disconnect all cables move out the chips. And unscrew the two screws...

  • Page 28: Repair Flow Chart

    Meridian 4 11. Repair Flow Chart 1. No Power No power Check power cable is Re-plug the power cable tightened? Check Power “On/Off” Turn on the Power “On/Off” switch is “On”? Check the LED Check the AC power indicator is OK? Replace the power board and check connections Replace main board and check connections Replace key board and check connections...
  • Page 29 Meridian 4 No Video (Power LED White) No Video (Power LED White) Press the power Replace the main board button is OK? Replace the power The end board and connection Replace the main The end board and connection Check the FFC cable Replace the FFC cable or panel or panel...
  • Page 30 Meridian 4 3. DIM DIM (image overlap, focus or flicker) Reset in factory mode The end Set to the optimal The end frequency, select the recommended frequency Readjust the phase and pixel The end clock in the user mode Pull out signal cable and Check the signal cable check “Self Test Feature and the PC...
  • Page 31 Meridian 4 4. Color is not optimal Color is not optimal Color shift Miss color Reset the factory mode Replace the signal cable In the user mode, set the “color settings” until customer satisfy The end Pull out the signal cable and check the screen color display is normal? Replace the signal cable or PC...

  • Page 32: Isp Instruction

    Meridian 4 12. ISP Instruction When do the parts, need the tools as follow: 1. An i486 (or above) personal computer or compatible. 2. Microsoft operation system Windows 95/98/2000/XP. 3. USB port driver and ISP tool “EasyWrite V2011.0209.exe” 4. ISP JIG (715GT089-B/C) x1 5.
  • Page 33 Meridian 4 Click “Finish” to complete the USB serial port driver installation.
  • Page 34 Meridian 4 12.3 Install the ISP tool Take 227E3L for example: 1. Double-click to install ISP program. 2. Double-click to run the ISP tool. 3. Set the parameters to restore the HDCP key if the monitor has DVI or HDMI port. (1) Click the “Option”...
  • Page 35 Meridian 4 Setup ISP tool. Click “Setup ISP tool” to open the configuration window. 4. Configuration for ISP tool. Tick “FTDI”.
  • Page 36 Meridian 4 5. Load the F/W you want to upgrade. 6. Start to program. Click “Auto” to start programming.
  • Page 37 Meridian 4 7. Programing success. There will be the message in the red frame after successful programming. 12.4 Check the FW version after upgrade. The way to open factory menu. 1. Connect the video source to monitor and AC on. 2.

  • Page 38: Troubleshooting

    Meridian 4 Reset the factory setting Power on the monitor and open the user menu. Do factory reset: Setup – Reset – Yes. Factory reset will turn off “Burn in” mode which screen color switches among red, green, blue and black. 12.5 Troubleshooting: “CheckSum Comparing Fail!”...

  • Page 39: Ddc Instruction

    Meridian 4 13. DDC Instruction General DDC Data Re-programming In case the main EEPROM with Software DDC which store all factory settings were replaced because a defect repaired monitor’ the serial numbers have to be re-programmed. It is advised to re-soldered the main EEPROM with Software DDC 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 40 Meridian 4 13.3 Prepare the EDID written 1. EDID file has been putted in the DDC folder. 2. The VgaSinglePort.exe is the EDID writing tool. 3. The two file must be putted together as below. 13.4 The process of writing EDID and SN 1.
  • Page 41 Meridian 4 Tick the “Analog +DVI”, and click “Loadfile” to set the parameters.And click the “Next” to load the EDID file. 2. Select the “Philips 237E4” and then click “OK”, the tool will read the EDID information:...
  • Page 42 Meridian 4 3. Choose the “Only connect VGA” and “Write SN”, and key in the date and the 14 digital S/N. Remark: Please turn on the monitor before clicking “Program”. Or you maybe write EDID fail. 3. Click the “Program” to start programming after monitor power on. When it shows “Analog: PASS!, SN write OK! and DVI: PASS!”.
  • Page 43 Meridian 4 4 Click “program”, if the 12V connector is not OK, it will show the picture as follow: 5 Click “program”, if the cable connector is not OK, it will show the picture as follow:...
  • Page 44 Meridian 4 13.5 Check the SN 1. Connect the video source and power on monitor. 2. Press the “MENU” button to enter the user menu and select “Input”, you can check the 14 digital SN. Take 227E3L for example: 3. If this SN number is the same as what we had written by EDID tool, the EDID and SN writing is completed finally. 13.6 Troubleshooting 1.
  • Page 45 Meridian 4 ID Product Code: C0AD ID Serial Number: No Use Week of Manufacture: Year of Manufacture: 2012 <-Basic Display Parameters/Features:-> Video i/p definition: Analog Max. H. Image Size : 51cm Max. V. Image Size : 29cm Display Gamma : <-Color Characteristics:->...
  • Page 46 Meridian 4 <-Detailed Timing Descriptions:-> FC (Monitor Name) : 237E4 FD (Monitor Limits): Min. V. rate: 56 Hz Max. V. rate: 76 Hz Min. H. rate: 30 KHz Max. H. rate: 83 KHz Max. P Clock: 170 MHz FF (Monitor SN) : Detailed Timing : 1920x1080 @ 60Hz Extension Flag : 00 Block0 Checksum : EB...
  • Page 47 Meridian 4 <-Basic Display Parameters/Features:-> Video i/p definition: Digital Max. H. Image Size : 51cm Max. V. Image Size : 29cm Display Gamma : <-Color Characteristics:-> Rx: 0.638 Gx: 0.311 Bx: 0.150 Wx: 0.313 Ry: 0.330 Gy: 0.623 By: 0.067 Wy: 0.329 <-Established Timings:->...
  • Page 48 Meridian 4 Max. V. rate: 76 Hz Min. H. rate: 30 KHz Max. H. rate: 83 KHz Max. P Clock: 170 MHz FF (Monitor SN) : Detailed Timing : 1920x1080 @ 60Hz Extension Flag : 00 Block0 Checksum : D9...

  • Page 49: White Balance, Luminance Adjustment

    Install Port95NT drive program, set PC printer connector mode as ECP mode and reset PC after finish installing. c. Connect tool as follow: Note: It’s not necessary to connect Port2. To PC LPT To BSG-265A or Philips model To PC Port 2 equivalent instrument 3. Adjustment Preparation before adjustment: a.
  • Page 50 Meridian 4 5. Color Temp confirmation Connect the signal to the monitor, the monitor displays white-picture, use CA-210 to measure the Color Temp of the screen center and select the OSD to make sure whether the Color Temps accord with the SPEC. 227E3L 11500K 8200K...
  • Page 51 Meridian 4 3. Select the “Factory” and press the “MENU” button to enter the factory mode. Take 237E4LH for example:...

  • Page 52: Monitor Exploded View

    Meridian 4 15. Monitor Exploded View...

  • Page 53: Recommended & Spare Parts List

    Meridian 3 16. Recommended & Spare Parts List Recommended Parts List LOCATION PCM CODES DESCRIPTION REMARK E8903 089G1745CAA-AC DVI CABLE 1500MM COMLINK E8903 089G1745HAA-AC DVI CABLE 1500MM HONGLIN 2ND SOURCE E8903 089G1745LAA-AC DVI CABLE 1500MM HONGSHUO 2ND SOURCE E8901 089G414A15N-JR POWER CORD 1500MM China jianrun E8901 089G414A15N-HL...
  • Page 54 Meridian 4 Service Kit Description Part No. Picture ISP JIG 715GT089-B/C EDID JIG 715GT034-B...

  • Page 55: Different Parts List

    Meridian 3 17. Different Parts List Diversity of compared with Location PCM Codes Description Location PCM Codes Description Diversity of compared with Location PCM Codes Description Location PCM Codes Description...

  • Page 56: General Product Specification

    Meridian 4 18. General Product Specification M4-237 Series GENERAL PRODUCT SPECIFICATION Issued by: Argent Chan/Paul Tsai Revision History Ver. Date (yy.mm.dd) Author Brief Description 2012.04.05 Brad Chiu Initial version Blue: Changes than last version Red: TBD Quick Specification table: Model Input Feature 237E4QSD...
  • Page 57 All optical characteristics are determined according to panel specification after warming up longer than 30 minutes. PRODUCT PROFILE EDID header Data for EDID & .inf file Philips 237E (23inch Wide LCD MONITOR User visible strings on .inf file 237E4) Manufacturer ID ( EDID data) Product ID, "xxxx" 4 codes...
  • Page 58 ELECTRICAL CHARACTERISTICS 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, 20M:1 DCR preferred...
  • Page 59 Meridian 3 adjustment at first time detection and save the related date into memory. Resolution ≦ 800x600 , do not do auto auto adjustment. Note A : source mybe D-SUB,DVI,HDMI Interface signals 1). D-Sub Analog Input signal : Video, Hsync., Vsync Video : 0.7 Vp-p, input impedance, 75 ohm @DC Sync.
  • Page 60 Meridian 4 Over Scan - 1. RGB signal : OFF (no this function) 2. YUV signal : (Video timming) ON (Be use and set ON/OFF) (But only 1080p define is OFF ) PC timing: to follow PC timing table TMDS/+5V/DDC/HPD/CEC Signals (TMDS Signal) Termination Supply Voltage AV 3.3V±5%...

  • Page 61: Dvi Cable

    Meridian 3 5). USB Hub 2.0 (option , refer to Quick specification table) USB port (1 upstream, 2 or 4 downstream) 6). Audio in ( option , refer to Quick specification table) Input signal: 1Vrms Loudspeaker: stereo of RMS Power Frequency range: (WAIT FOR SUPPLIER INPUT) Headphone connection will mute speaker 7).
  • Page 62 Meridian 4 T.M.D.S. data2- T.M.D.S. data2+ T.M.D.S. data2 shield No Connect No Connect DDC clock DDC data No Connect T.M.D.S. data1- T.M.D.S. data1+ T.M.D.S. data1 shield No Connect No Connect +5V Power Ground (for +5V) Hot plug detect T.M.D.S. data0- T.M.D.S.

  • Page 63: User Mode

    English, French, German, Spanish, Italian, Russian, MMD OSD_Function OSD_String_M4_201 Simplified Chinese, definition _FW SP 11128.xls Portuguese, Turkish (9) Power On logo Power On Logo: Power On  Show up Philips Philips_Logo_1920x logo 3 seconds 1080.bmp  Change to input signal.
  • Page 64 Meridian 4 This picture is reference only. The official drawing will send out by PM. Audio Selection Stand-alone – On: Isolate video and audio control input Stand-alone – Off: Integrate video and audio control input Mute – On: Turn off audio Mute –...
  • Page 65 Meridian 3 measurement of Power consumption power saving.pdf measure the way -090 PS: SmartImage Economy mode: < EPA5.0 spec. (Brightness=20%) EPA 5.0 spec. as below Panel size Native resolution Max. Power (W) 16"(16:9) 1366x768 14.5 17"(4:3) 1280x1024 21.9 17"(16:10) 1440x900 21.2 18.5"(16:9) 1366x768...
  • Page 66 Meridian 4 Hot-key definition M4 OSD Button definition _ 20111207 Smart image SmartImage Profile Definitio (formerly FGA, FACTORY GAMMA PerfectTune Alignment) A. PerfectTune must be done after warming 30 minutes at least. B. PerfectTune must be performed after Auto Color. C.
  • Page 67 Meridian 3 3.17.7 Maximum Audio Card Output The monitor audio amplifier shall accept a maximum input voltage of 1.5 Vrms and meet the following requirements at the maximum monitor volume setting: 1. The ratings of the audio amplifier may not be exceeded. 2.
  • Page 68 Meridian 4  SENSOR distance measure : 1. Cotton material color : black 2. Monitor center straight distance (90 deg) 3. Body width : about 40cm 4. Body horizontal move : Monitor center +- 5cm  Anti-interference between two monitors, Monitors must have anti-interference methods(coding ..etc) to prevent monitors to talk to each other ...
  • Page 69 Meridian 3 Fig. 3: set up of multiple monitors under an angle Pixel –orbiting function (option) On wide view angle models( IPS/e-IPS/AMVA/PVA/MVA) Functional description Every 1min to shift one pixel for whole picture,8 min. to original point and Routing path ( H-1,V+1,H+1,V-1,V-1,H+1,V+1,H-1) VISUAL CHARACTERISTICS Test conditions...

  • Page 70: Product Specification

    Meridian 4 (1) Input signal : As defined in 3.3, 1920 x 1080 non-interlaced mode (1920 x 1080@60Hz), signal sources must have 75 ohm output impedance. (2) Luminance setting : controls to be set to nits with full screen 100 % duty cycle white signal (3) Warm up: more than 30 minutes after power on with signal supplied.
  • Page 71 Meridian 3 5000K x = 0.345 ± 0.02 PerfecTune II y = 0.357 ± 0.02 Production alignment spec. CIE coordinates (x,y) 11500K x = 0.270 ± 0.006 PerfecTune II y = 0.281 ± 0.006 9300K x = 0.283 ± 0.006 PerfecTune II y = 0.297 ±...
  • Page 72  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”. Texture/Glossing of housing  The texture area and texture no should follow Philips make-up sheet.
  • Page 73 Label  Regulatory label / Carton label should follow Philips requirement.  Detail document refer to Philips Engineering Reference Book. Product dimension / Weight ( Refer to Philips approved SHT 191/SHT560 )  Unit dimension  Packed unit dimension:  Net weight ...
  • Page 74 3. Cold Drop test (for design reference)  Un-package test 1. Sine vibration (operating) 2. Half sine shock test (non operation) Pallet / Container loading (Refer to Philips approved SHT 560) Transportation standards refer to TYE-M0002 ,UAN-D1534 and UAW-0309.  Air shipment - ...
  • Page 75 Meridian 3 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 - Temperature : -20 to 60 degree C - Humidity : 95% max - Altitude...

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