Philips 192E1SB/70 Service Manual
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Philips 192E1SB/70 Service Manual

18.5 lcd color monitor
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18.5 LCD Color Monitor
Service
Service
Service
Description
Table of Contents.........................................................1
Revision List................................................................2
Important Safety Notice.............................................3
1. Monitor Specifications................................................4
2. LCD Monitor Description............................................5
3. Operation instructions................................................6
3.1General Instructions...........................................6
3.2 Control buttons................................................6
3.3 OSD Menu.........................................................8
4. Input/Output Specification......................................10
4.1 Input Signal Connector.........................................10
4.2 Factory Preset Display Modes................................11
4.3 Pixel Defect Policy..........................................12
4.4 Failure Mode of Panel .....................................15
5. Block Diagram.................................................16
5.1 Software Flow Chart.............................................16
5.2 Electrical Block Diagram.......................................18
6. Schematic Diagram................................................. 20
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 2009 Philips Consumer Lifestyle
192E1SB/00
192E1SB/70
192E1SB/27
192E1SB1/01
192E1SB/69
192E1SB1/62
192E1SB/75
192E1SB1/94
192E1SB/93
192E1SB1/97
192E1SB/94
192E1SB/96
192E1SB/97
192E1SB/62
Page
Description
6.1 Scaler Board...................................................20
6.2 Power Board...............................................24
6.3 Key Board.........................................................26
7. PCB Layout.........................................................28
7.1 Scaler Board.....................................................28
7.2 Power Board...................................................30
7.3 Key Board.........................................................32
8. Wiring Diagram...................................................33
9. Scaler Board Overview........................................34
10. Mechanical Instructions........................................35
11. Repair Flow Chart...............................................40
12. ISP Instructions...........................................................46
13. DDC Instructions.........................................................49
15. Monitor Exploded View................................................60
16. Recommended & Spare Parts List............................61
17. Different Parts List...............................................63
18. General Product Specification................................70
SAFETY NOTICE
Subject to modification
K
Chassis: Meridian 1
Apr. 30, 2009
GB
Page
312278518570

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  • 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 Copyright 2009 Philips Consumer Lifestyle Subject to modification Apr. 30, 2009 312278518570...

  • Page 2: Revision List

    192E1SB/75, 192E1SB/93, 192E1SB/94 and 192E1SB/97 Add CTV Model 192E1SB/62 Dec.11,2009 Add LGD-TLF1/TLF2 panel for 192E1SB/00 and 192E1SB/93 May.07,2010 Add CMO panel for 192E1SB/62 Add CTV Model 192E1SB/70, 192E1SB1/01, 192E1SB1/62, 192E1SB1/94 Jun.28,2010 and 192E1SB1/97 Jul.30,2010 Add SEC-AT02 panel for 192E1SB1/62 Sep.20,2010...

  • Page 3: Important Safety Notice

    Meridian 1 Important Safety Notice Proper service and repair is important to the safe, reliable operation of all Philips Company Equipment. The service procedures recommended by Philips 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.

  • Page 4: Monitor Specifications

    Meridian 1 1. Monitor Specifications 1.1 Technical specifications LCD Panel TFT LCD • Type • Screen size 18.5 Visual • Pixel pitch 0.3mm x 0.3mm • LCD panel type 1366*768 pixels R.G.B vertical stripe Anti-glare polarizer, hard coated • Effective viewing area 409.8 x 230.4mm Display Colors 16.7M...

  • Page 5: Lcd Monitor Description

    Meridian 1 1.2 Physical specifications • Tilt - 5°~ 20° • Power Supply 100~240 V AC, 50/60Hz • Power Consumption <35W (Typ.) to 40 (operating) • Temperature to 60 (storage) • Relative Humidity 20~80% • System MTBF 50K hours (CCFL 50K hours) •...

  • Page 6: Operation Instructions

    Meridian 1 3. Operating Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The other control knobs are located at front panel of the monitor (see figure). By changing these setting, the picture can be adjusted to your personal preference. The power cord should be connected.
  • Page 7 Meridian 1 Rear View Kensington anti-thief lock AC power input VGA input DVI-D(available for selective models PC audio input...

  • Page 8: Osd Menu

    Meridian 1 3.3 OSD Menu This is a feature in all Philips LCD monitors. It allows an end user to adjust screen performance of the monitors directly through an on-screen instruction window. The user interface provides user-friendliness and ease-of-use when operating the monitor.
  • Page 9 Meridian 1 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 10: Input/Output Specification

    Meridian 1 4. Input/ Output Specification 4.1 Input Signal Connector Analog connector Signal Name Signal Name Pin No. Pin No. Red video input DDC +5V Green video input/ SOG Logic ground Blue video input Ground Sense (GND) Serial data line (SDA) Cable Detect (GND) H.

  • Page 11: Factory Preset Display Modes

    Meridian 1 4.2 Factory Preset Modes H. freq (KHz) Resolution V. freq (Hz) 31.47 720 x 400 70.09 31.47 640 x 480 59.94 37.50 640 x 480 75.00 37.88 800 x 600 60.32 46.88 800 x 600 75.00 48.36 1024 x 768 60.00 60.02 1024 x 768...

  • Page 12: Pixel Defect Policy

    4.3 Pixel Defect Policy Philips strives to deliver the highest quality products. We use some of the industry’s most advanced manufacturing process and practice stringent quality control. However, pixel or sub pixel defects on the TFT LCD panels used in flat panel monitors are sometimes unavoidable.
  • Page 13 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 pixel or sub pixel defects exceeding the tolerances listed in the following tables...
  • Page 14 Meridian 1 BRIGHT DOT DEFECTS ACCEPTABLE LEVEL MODEL 192E1 1 dark subpixel 2 adjacent dark subpixels 3 adjacent dark subpixels Distance between two black dot defects * >15mm Total black dot defects of all types TOTAL DOT DEFECTS ACCEPTABLE LEVEL MODEL 192E1 1 dark subpixel...

  • Page 15: Failure Mode Of Panel

    Meridian 1 4.4 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 16: Block Diagram

    Meridian 1 5. Block Diagram 5.1 Software Flow Chat...

  • Page 17: Key Board

    Meridian 1 1) MCU initializes. 2) Is the EPROM blank? 3) Program the EPROM by default values. 4) Get the PWM value of brightness from EPROM. 5) Is the power key pressed? 6) Clear all global flags. 7) Are the AUTO and SELECT keys pressed? 8) Enter factory mode.

  • Page 18: Electrical Block Diagram

    Meridian 1 5.2 Electrical Block Diagram 5.2.1 Scaler Board Flash Memory Panel Interface PM25LV010A (CN301) (U402) Crystal 12MHz Scaler IC NT68667FG/C (X401) EEPROM M24C16 (Include MCU, ADC, OSD) Keypad Interface (U403) (U401) (CN402) EEPROM M24C02 EEPROM M24C02 (U102) (U108) RXN/P H/V sync RXCN/P DSUB_SCL...
  • Page 19 Meridian 1 5.2.2 Power/Inverter Board AC input Bridge Rectifier Transformer EMI filter Rectifier diodes and Filter Start Resistor (R904, R932) Feedback PWM Control Circuit Power Switch (IC901) (Q901) Photocoupler (IC902) Output Transformer Circuit (PT801) Lamp ON/OFF PWM Control Feedback MPS10091 Circuit (U801)

  • Page 33: Wiring Diagram

    7Pin 9Pin 10Pin 4Pin...

  • Page 34: Scaler Board Overview

    Meridian 1 9. Scaler Board Overview DC-DC Converter Scaler EEPROM Flash ROM D-SUB EEPROM DVI EEPROM...

  • Page 35: Mechanical Instructions

    Meridian 1 10. Mechanical Instructions 1. Place the monitor face down on a smooth surface, and release three screws to remove the stand-base ass’y. Note: Be careful to avoid scratch and injury during the process of uninstall. 2. Remove the rear cover. Open the latches as follow:...
  • Page 36 Meridian 1 Along the red arrowhead direction as the picture to open other latches. Place the monitor slightly on a smooth surface, and remove the rear cover.

  • Page 37: Key Board

    Meridian 1 3. Remove the key board from the bezel and remove the bezel.
  • Page 38 Meridian 1 4. Remove main frame. A. Disconnect two connectors and four screws. B. Press to release left and right latches of LVDS cable, and then disconnect it.
  • Page 39 Meridian 1 5. Remove Power Board and Scaler Board. A. Remove four screws and mainframe. B. Remove three screws to remove the Power Board and Scaler Board from mainframe. C. Disconnect three connectors from Scaler Board.

  • Page 40: Repair Flow Chart

    Meridian 1 11. Repair Flow Chart 11.1 Scaler Board (1). No Power No power Press power key and look if the picture is normal Please reinsert and make sure the AC of 90-264V is normal Reinsert or check the Adapter/Inverter section Measure U703 PIN2=3.3V Check C706, C707 and U703 X401 oscillate waveforms are normal...
  • Page 41 Meridian 1 (2). No Picture No picture X401 oscillate Replace X401 The button is under control waveform is normal Check Correspondent Check reset circuit of component U401 is normal Measure U703 PIN2=3.3V Replace U401 Check C706, C707 and U703 X401 oscillate waveform is normal Replace X401 Check HS VS from CN101 is normal Check Correspondent...
  • Page 42 Meridian 1 (3). White screen White screen Measure Q301 base is low level? X401 oscillate waveform is normal Replace X401 Check Q301, Q302 is broken or CN301 solder? Check reset circuit of U401 is normal Check Correspondent Check Correspondent component. component.
  • Page 43 Meridian 1 11.2. Power/Inverter Board (1) No power Check ZD902 Check AC line volt is 90V or 264V Check AC input Check the voltage of C907 (+) Check bridge rectified circuit and F901 circuit Check start voltage for the pin8 of IC901 Check R904, R932 and Change IC901 Check the auxiliary voltage is bigger than 16V and smaller than 32V...
  • Page 44 Meridian 1 (2) W / LED, No Backlight Check F801=12V Check adapter or Scaler Board Check ON/OFF signal Check Scaler Board Check U801 PIN9 =12V Check C811, R816 Check U801 PIN11, 14 have the output of square wave at short time Change U801 Check Q803 have the output of square wave at short Check Q803...
  • Page 45 Meridian 1 11.3 Key Board OSD is unstable or not working Is Key Pad Board connecting normally? Connect Key Pad Board Replace Button Switch Is Button Switch normally? Replace Key Pad Board Is Key Pad Board normally? Check Scaler Board...

  • Page 46: Isp Instructions

    4. “EasyUSB WriterV4.1” program Tool requires: ISP board/printer cable/VGA cable 12.1 Install the “EasyUSB WriterV4.1” 12.2 Connect the ISP board as follow: Connect to Connect to the the PC LPT Philips 192E1 12.3 The process of ISP write is as follow:...
  • Page 47 Meridian 1 a) Double-click running the program as follows: Click icon and the program runs as follows:...
  • Page 48 Meridian 1 Click icon, search the correct program and click open: If the model has the audio capable, choose the program “Philips_192E1_NT68667_CMO_M185B1_20090407_V1.00.hex”, otherwise choose “Philips_192E1_NoAudio_NT68667_M185B1_20090407_V1.00.hex”. Click icon. If it burns successfully, it will show as the follow picture:...

  • Page 49: Ddc Instructions

    13.2 Connect the DDC Board as follow: When you write analog Connect to the EDID, Connect this port PC LPT to the Philips model VGA port 12V Input Note: Cut off the 5th pin of the analog connector, as follow:...
  • Page 50 Meridian 1 Take analog DDC write for example, as follow a. Double-click appear as follow:...
  • Page 51 Meridian 1 b. Click , it will show the picture as follow: c. Click , and key in 14 numbers in the Serial Number, then click “OK”, when the analog DDC Write complete, it will show the picture as follow: Note: The way of digital DDC Write is the same as analog.
  • Page 52 Meridian 1 192E1 EDID Analog 128 bytes EDID Data (Hex): x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xA xB xC xD xE xF 00 FF FF FF FF FF FF 00 41 0C 32 C0 28 EE 04 00 10: 15 0B 01 03 6E 29 17 78 2A EE D1 A5 55 48 9B 26 20: 12 50 54 BF EF 80 71 4F 81 CF 01 01 01 01 01 01 30: 01 01 01 01 01 01 66 21 56 AA 51 00 1E 30 46 8F...
  • Page 53 Meridian 1 Separate Sync Support: Composite Sync Support: Yes Sync. on green video supported:Yes Serration of the Vsync.Pulse is not required. Max. H. Image Size: 41cm. Max. V. Image Size: 23cm. Display Gamma: DPMS Features, Stand-by: No. DPMS Features, Suspend: DPMS Features, Active off: Yes.
  • Page 54 Detailed Timing: FD (Monitor limits) Min. V. rate: 56Hz Max. V. rate: 76Hz Min. H. rate: 30 KHz Max. H. rate: 83 KHz Max. Pixel Clock: 170MHz Detailed Timing: FC (Monitor Name) 'Philips 192E' <-x-Detailed Timing Descriptions-x-> Extension Flag: Checksum:...
  • Page 55 Meridian 1 Digital 128 bytes EDID Data (Hex): x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xA xB xC xD xE xF 00 FF FF FF FF FF FF 00 41 0C 32 C0 CC 0D 05 00 10: 0C 0D 01 03 80 29 17 78 2A EE D1 A5 55 48 9B 26 20: 12 50 54 BF EF 80 71 4F 81 CF 01 01 01 01 01 01 30: 01 01 01 01 01 01 66 21 56 AA 51 00 1E 30 46 8F...
  • Page 56 Meridian 1 Display Gamma: DPMS Features, Stand-by: No. DPMS Features, Suspend: DPMS Features, Active off: Yes. Display Type: R.G.B color display. Standard Default Color Space: R.G.B color. Preferred Timing Mode: In First Detailed Timing GTF supported: No. <---Basic Display Parameters/Features---> <---Color Characteristics--->...
  • Page 57 Detailed Timing: FD (Monitor limits) Min. V. rate: 56Hz Max. V. rate: 76Hz Min. H. rate: 30 KHz Max. H. rate: 83 KHz Max. Pixel Clock: 170MHz Detailed Timing: FC (Monitor Name) 'Philips 192E' <-x-Detailed Timing Descriptions-x-> Extension Flag: Checksum:...

  • Page 58: White Balance, Luminance Adjustment

    Meridian 1 14. White Balance, Luminance Adjustment 1. Apparatuses and program: analyzer CA-210, PC, tool, FGA adjustment program (PHILIPS 192E1.DDCI), Pattern generator. 2. Equipment installation: a. Connect analyzer CA-210 to PC by USB connector, install drive program CA-SDK Ver4.00 for CA-210 and restart PC after finish installing b.
  • Page 59 Meridian 1 2. 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.

  • Page 61: Recommended & Spare Parts List

    Meridian 1 16. Recommended & Spare Parts List 192E1SB/69 Item Location PCM Codes Description Remark FQ106 Q34G0488AFLE1B0101 BEZEL(L185W-8QPH1) FQ004 KEPC9QV9 KEY BOARD ASSY FQ405 Q33G0170AFL 1L0100 KEY PAD E750 750GLM185B1211M0PH PANEL M185B1-L02 C1 TW CMO E750 750GLM185B1211N000 PANEL M185B1-L02 TW CMO E750 750GLM185B1212M0PH PANEL M185B1-L02 C1 NB CMO...
  • Page 62 Meridian 1 FQ205 705GQ8CS051 CUSHION ASSY FQ202 Q44G8009813 3B 18.5LCD PHILIPS CARTON IC902 056G 139 3A IC PC123Y22FZ0F IC901 056G 379107 IC LD7575A PS SOP-8 U801 056G 379154 IC AM9000ES SOIC-16 IC903 056G 158 10 T IC AS431AZTR-E1 TO-92 F901 084G 56 3 B FUSE 3.15A 250V...

  • Page 70: General Product Specification

    5.2 MECHANICAL DATA FILES ------ PROE FILES REQUIRED 5.3 LOCATION OF PHILIPS LOGO ------- PER PHILIPS MAKE-UP SHEET 5.4 GAP BETWEEN PANEL AND FRONT BEZEL ------- <1.4mm (type), AGREED BY PHILIPS. 5.5 LOCATION OF CONTROL ICONS ------- PER PHILIPS GRAPHIC SHEET 5.6 COLOR FOR RESIN/PAINT ------- PER PHILIPS MAKE-UP SHEET...
  • Page 71 Meridian 1 5.17 PALLET/CONTAINER LOADING(REFER TO PHILIPS APPROVED SHT 560) ENVIRONMENTAL CHARACTERISTICS 6.1 SUSCEPTIBILITY OF DISPLAY TO EXTERNAL ENVIRONMENT 6.2 TRANSPORTATION TESTS 6.3 DISPLAY DISTURBANCES FROM EXTERNAL ENVIRONMENT 6.4 DISPLAY DISTURBANCES TO EXTERNAL ENVIRONMENT RELIABILITY 7.1 MEAN TIME BETWEEN FAILURES QUALITY ASSURANCE REQUIREMENTS 8.1 ACCEPTANCE TEST...

  • Page 72: Foreword

    30 minutes that brightness stability is optimal, and follow strictly after panel specification. 2. PRODUCT PROFILE This display monitor unit is a color display monitor enclosed in Philips styling cabinet which has an integrated tilt base. Tier1: 1. LGD, CMO Type NR.

  • Page 73: Scanning Frequencies

    Meridian 1 2.2 Scanning frequencies Hor. : 30 – 83 KHz Ver. : 56 - 76 Hz Video dot rate : <140 MHz Power input : 90-264 V AC, 50/60 2 Hz Power consumption : <40W maximum, < 36W (Typ.) Functions: (1).
  • Page 74 Meridian 1 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 3.2.2 DVI-D Cable The input signals are applied to the display through DVI-D cable Length 1.5m +/- 50mm Connector type DVI-D male with DDC-2B pin assignments White connector thumb-operated jackscrews...
  • Page 75 Meridian 1 3.2.4 Software control functions via OSD/Control adjustment functions Please refer to following Hudson 8 OSD definitions Auto Input Brightness Menu Power \Back \Enter Reset - No: Exit Yes: Auto adjustment for displaying timing mode and recall factory preset OSD Languages English Spanish...
  • Page 76 Power on Logo Power on Show PHILIPS logo 3 sec. --> change to input signal Any deviation between document and sample, than refer to approved sample by Philips. 3.3 Timing requirement Factory Preset mode definition: 1. Perfect FOS while presenting all required timings 2.
  • Page 77 Meridian 1 3.3.2 Factory preset modes Factory modes and preset modes are defined in the enclosed timing table file. Timing Table List: Factory Pixel Support Horizontal Vertical V_Total Polarity Preset Resolution Rate Timing ( KHz ) ( Hz ) ( Line ) ( H / V ) Timing ( MHz )
  • Page 78 Meridian 1 Extra (Video) Timing Table List: Support Timing Preset Timing Resolution 60Hz 480i 480p 720p 1080i 1080p 50Hz 576i 576p 720p 1080i 1080p 3.4 Horizontal scanning Sync polarity : Positive or Negative Scanning frequency : 30-83KHz 3.5 Vertical scanning Sync polarity : Positive or Negative Scanning frequency...

  • Page 79: Ambient Temperature

    [MENU]+[DOWN] 5 sec 5 sec for VISTA DDC/CI OFF Any deviation between document and sample, please refer to Philips approved sample. Visual characteristics 4.1 Test conditions Unless otherwise specified, this specification is defined under the following conditions. (1) Input signal: As defined in 3.3, 1366*768...

  • Page 80: Check Cross Talk(S)

    Mechanical characteristics 5.1 Cosmetic Philips ID 5.2 Mechanical data files ProE files required 5.3 Location of Philips Logo Per Philips make-up sheet 5.4 Gap between panel and front bezel < 1.4mm (Max.) 5.5 Location of Control Icons Per Philips Graphic sheet 5.6 Color for resin/paint...

  • Page 81: Plastics Flammability

    All major plastic parts (bezel, back cover) need to be molded from same resin. Plastic resin type selection should be referred to “TY R83-2-9002-1”. 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 82 Meridian 1 China RoHS label Detail document refer to Philips Engineering Reference Book 5.16 Product dimension / Weight (Refer to Philips approved SHT 191/SHT560) Unit dimension : 442(w)*340(H)*191(D) Packed unit dimension: : 520(w)*352(D)*133(H) Net weight : TBD Gross weight : TBD 5.17 Transportation...
  • Page 83 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 Philips’ Flat Panel Monitors Pixel Defect Policy Philips’ Flat Panel Monitors Pixel Defect Policy BRIGHT DOT DEFECTS ACCEPTABLE LEVEL MODEL...
  • Page 84 Meridian 1 Distance between two bright dot defects* 25mm Bright dot defects within 20 mm circle Total bright dot defects of all type BLACK DOT DEFECTS ACCEPTABLE LEVEL Model 192E1 1 dark sub-pixel 2 adjacent dark sub-pixels 3 adjacent dark sub-pixels (one white pixel) Distance between two black dot defects* 15mm Black dot defects within 20 mm circle*...
  • Page 85 Meridian 1 Fig 1: Measurement locations of Brightness Uniformity Fig 2: Cross talk pattern Gray level 46 (64 Gray level) Fig 3: Cross talk Pattern Center at Gray level 0 (Black)
  • Page 91 10.2 EMC Requirements Supplier DVT EMI test result must be submitted prior to DVT samples delivery, and PVT EMI test result must be submitted again prior to PVT samples delivery which also has to meet Philips' immunity testing specification. 10.3 RoHS...
  • Page 92 4. When the HV circuitry is operating properly there is no possibility of an x- tube must be the same type as the original, including suffix letter, or a Philips radiation problem. High voltage should always be kept at the manufacturer's approved type.

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