Philips 190B5CG/00 Service Manual

19" tft lcd colour monitor
Hide thumbs Also See for 190B5CG/00:

Advertisement

19" TFT LCD Colour Monitor
Service
Service
Service
Description
Important Safety Notice ---------------------------- 2
Technical Data --------------------------------------3~4
Installations-----------------------------------------5~6
On-screen Display(OSD)---------------------------7~8
OSD Aging Mode & Lock/unlock----------------------9
Pixel Defect Policy------------------------------------10
Warning Message-------------------------------------11
Factory Mode------------------------------------------12
Satety Test Requirements----------------------------13
ISP Instruction ----------------------------------18~20
DDC Instructions & HEX Data------------------21~29
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 VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING.
REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINES
Published by BCU Monitors
Printed in Suzhou

TABLE OF CONTENTS

Page
Description
«
Block Diagram---------------------- -----------------30
Wiring Diagram --------------------------------------41
Recommended parts list ----------------------------47
Different parts list -----------------------------------50
General product specification------------------51~77
SAFETY NOTICE
Copyright reserved
Subject to modification M
SH 4 190B5
190B5CG/00
190B5CB/00
190B5CB/27
190B5CS/00
190B5CS/27
Horizontal frequencies
--------------------------------------- 46
parts list ----------------------------------48~49
Apr. 14 2004
30 - 82KHz
Page
3138 106 10372
GB

Advertisement

Table of Contents
loading

Summary of Contents for Philips 190B5CG/00

  • Page 1: Table Of Contents

    19" TFT LCD Colour Monitor SH 4 190B5 Service Service 190B5CG/00 Service 190B5CB/00 190B5CB/27 190B5CS/00 190B5CS/27 Horizontal frequencies 30 - 82KHz TABLE OF CONTENTS Description Page Description Page Important Safety Notice ---------------------------- 2 « Block Diagram---------------------- -----------------30 Technical Data --------------------------------------3~4 Scaler Diagram &...
  • Page 2: Important Safety Notice

    Under no circumstances should the original design be modified or altered without written permission from Philips. Philips assumes no liability, express or implied, arising out of any unauthorized modification of design. Servicer assumes all liability. * Broken Line...
  • Page 3: Technical Data

    Technical Data 190B5 LCD Go to cover page Physical Specifications Technical Specifications 425 x 377 x 235 mm (in lowest LCD PANEL Dimension (WxHxD) * position) Type TFT LCD Weight 8.6 Kg Screen size 19" / 48.26 cm diagonal Tilt / Swivel ~ 30 / + - 135 Pixel Pitch...
  • Page 4 Amber 31.5 640*350 31.5 720*400 This monitor is ENERGY STAR compliant. As an ENERGY 31.5 640*480 STAR Partner, PHILIPS has determined that this product 35.0 640*480 meets the ENERGY STAR guidelines for energy efficiency. 37.5 640*480 35.2 800*600 37.9 800*600 46.9...
  • Page 5: Installations

    Installation 190B5 LCD Go to cover page UP and DOWN buttons are used when Unfold and Fold the Base adjusting the OSD of your monitor. Unfold the Base LEFT and RIGHT buttons, like the UP and DOWN buttons, are also used in adjusting the OSD of your monitor.
  • Page 6: Installations

    190B5 LCD Installation Go to cover page Accessory Pack 2) Cable Management Unpack all the parts. Power cord VGA signal cable EDFU pack PC audio cable Mac adaptor (lime) (optional) Connecting to Your PC Plug the cables into connectors. Connect to PC If you use an Apple Macintosh, you need to connect the special Mac adapter to one end of the monitor signal cable.
  • Page 7: On-Screen Display(Osd)

    On-Screen Display 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 8 190B5 LCD On-screen Display Go to cover page Analog signal input:...
  • Page 9: Osd Aging Mode & Lock/Unlock

    OSD Lock/Unlock, Aging Mode 190B5 LCD Go to cover page To Lock/Unlock OSD FUNCTION(User Mode) WAIT FOR AUTOMATIC ADJUSTMENT This screen appears when you press the "AUTO" buttons at the same The OSD function can be locked by pressing"OK"button for more time.
  • Page 10: Pixel Defect Policy

    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 11: Warning Message

    Warning Message Table 190B5 LCD Go to cover page Warning message table Item Attention Signals Display Time Condition Attention off CANNOT DISPLAY 30 mins This warning appears when the input signal from your THIS VIDEO MODE, computer is not in a standard video mode or is out of the CHANGE COMPUTER monitor’...
  • Page 12: Factory Mode

    SCALER : Read/Write scaler register NVRAM : READ/Write eeprom address Panel : HS ( Hannstar panel ) CPT(CPT panel) LG ( LG. Philips panel ) Mean: it is not 1280*1024 resolution now Factory Mode HUDSON4 190B5 B062 20040306 indicator Factory Menu Cursor can move on gray color area Hot key function: by pressing "...
  • Page 13: Satety Test Requirements

    Satety Test Requirements 190B5 LCD Go to cover page 3. Equipments and Connection All units that are returned for service or repair must pass the original manufactures safety tests. Safety testing requires both Hipot Ground Continuity testing. 3.1. Equipments For example : HI-POT TEST INSTRUCTION - ChenHwa 9032 PROGRAMMABLE AUTO SAFETY TESTER...
  • Page 14: Electrical & Mechanical Instructions

    190B5 LCD Electrical Instructions Go to cover page Input signal mode General points Pre-set 33 modes During the test and measuring, supply a distortion free PRESET VIDEO RESOLUTION AC mains voltage to the apparatus via an isolated Resolution H-Frequency Pixel rate V-Frequency Comment transformer with low internal resistance.
  • Page 15: Electrical Instructions

    Electrical Instructions 190B5 LCD Go to cover page Dot rate (MHz) H. Freq (KHz) Mode Resolution V. Freq (Hz) 4.5 EEPROM presetting (B) 36.000 43.269 VESA 640 * 480 85.008 After finishing all the adjustment, set:Brightness control t 56.250 53.674 VESA 800 * 600 85.061 100% Contrast control to 70% OSD position at middle of...
  • Page 16: Mechanical Instructions

    190B5 LCD Mechanical Instructions Go to cover page Front View Fig.6 Fig.7 Fig.1 Back View Fig.8 Step3.Remove the BacK cover - Remove the three threws as shown in Fig.9 - remove the five clicks as shown in Fig.9 and disconnect 1931 from Audio-board and 1712 from Control-board - Use the thin "...
  • Page 17 Mechanical Instructions 190B5 LCD Go to cover page Fig.12 Step 5. Remove the sclar and power board. - RemoveDisconnect the 1503,1505,1412 and 4 backlight cables as shown in Fig.13 - Remove the scaler and power board as shown in Fig.14 4 backlight cables 1412 to Pane 1505 to Power board...
  • Page 18: Isp Instruction

    190B5 LCD ISP Cable for CPU Go to cover page Configuration and procedure ISP ( In System Program) software is provided by Genesis to upgrade the firmware of CPU. Fig.4 ISP cable is for the interface between "Parallel port of PC" and "15 pin-D-SUB connector of monitor.
  • Page 19 ISP CABLE FOR CPU 190B5 LCD Go to cover page Update the firmware Double click the Gprobe.exe icon ,then appears window as shown in Fig.5 Press the options then choose configure Pin as shown in Fig.5 From the menu that appears, choose the number 17 in "output pin and the number 12 in "...
  • Page 20 190B5 LCD ISP Cable for CPU Go to cover page 190B5 H4190B5-200 Fig.11 click "OPEN" 190B5 Shut of the AC power Click the "OK" button and then open the AC power, after the follow window appears, the update is completed. 190B5...
  • Page 21: Ddc Instructions & Hex Data

    DDC Instructions 190B5 LCD Go to cover page General Note: The alignment box has already build-in a batteries socket for using batteries (8~12V) as power source. Pull out the socket by DDC Data Re-programming remove four screws at the rear of box. Please do not forget that In case the DDC data memory IC or main EEPROM which storage all remove batteries after programming.
  • Page 22 190B5 LCD DDC Instructions Go to cover page Configuration and procedure 3. At the submenu, type the letter of your computer's hard disk drive followed by :EDID46 (for example, C:\EDID46, as shown in Fig. 6). There are 3 chips contained OSD string, serial number..etc on the circuit board, main EEPROM which storage all factory settings,OSD string.
  • Page 23 DDC Instructions 190B LCD Go to cover page Re-programming Analog DDC IC Step 3: Modify DDC data (verify EDID version, week, year) Step 1: After initialize alignment box, connecting all cables and Click (new function) icon from the tool bar, bring up box as shown in Fig.
  • Page 24 190B5 LCD DDC Instructions Go to cover page Click Next , bring up Fig. 17. Click Next , bring up Fig. 20. Fig. 20 Click Next , bring up Fig. 21. Fig. 17 Click Next , bring up Fig. 18. Fig.
  • Page 25 DDC Instructions 190B5 LCD Go to cover page Step 3: Modify DDC data (verify EDID version, week, year) Re-programming Digital DDC IC Step 1: After initialize alignment box, connecting all cables and Click (new function) icon from the tool bar, bring up box as shown in Fig.
  • Page 26 190B5 LCD DDC Instructions Go to cover page Click Next , bring up Fig. 30. Click Next , bring up Fig. 32. Fig. 32 Click Next , bring up Fig. 33. Fig. 30 Click Next , bring up Fig. 31. Fig.
  • Page 27 DDC Instructions 190B5 LCD Go to cover page Step 7: Exit DDC program Step 5: Write DDC data 1. Configuration should be as Fig. 35. And press OK. Pull down the File menu and select Exit as shown in Fig. 38. Fig.
  • Page 28: Ddc Data

    : TY 123456 Red Y coordinate : 0.345 Monitor Descriptor #3 Green X coordinate : 0.296 Monitor Name : Philips 190B5 Green Y coordinate : 0.603 Monitor Descriptor #4 Blue X coordinate : 0.145 Monitor Range Limits Blue Y coordinate : 0.067...
  • Page 29 Green Y coordinate : 0.603 Blue X coordinate : 0.145 Monitor Descriptor #3 Blue Y coordinate : 0.067 Monitor Name : Philips 190B5 White X coordinate : 0.313 White Y coordinate : 0.329 Monitor Descriptor #4 Monitor Range Limits Established Timings Min.
  • Page 30: Block Diagram

    Block Diagram 190B5 LCD Go to cover page Block Diagram LED_R,B,Key Control Volume/Standby Board O:0/1/2/3 /clk (N,P) DVI_SCL,SDA EDID E:0/1/2/3 /clk (N,P) RX0/1/2/C Scaler Audio am5321 Board IIC_SCL,SDA Schmitt HS/VS EEPROM gate ADDR 0-17/DATA 0-7 R/G/B ISP_SCL,SDA EDID BL_control/Brightness/IDX 1.8V M29W010B Power 3.3V...
  • Page 31: Scaler Diagram & C.b

    Scaler Diagram-1 190B5 LCD Go to cover page...
  • Page 32 Scaler Diagram-2 190B5 LCD Go to cover page...
  • Page 33 Scaler Diagram-3 190B5 LCD Go to cover page...
  • Page 34 Scaler Diagram-4 190B5 LCD Go to cover page...
  • Page 35 Scaler Board C.B.A.-1 190B5 LCD Go to cover page...
  • Page 36 Scaler Board C.B.A.-2 190B5 LCD Go to cover page...
  • Page 37: Control Diagram & C.b

    Control Diagram & C.B.A. 190B5 LCD Go to cover page...
  • Page 38: Audio Diagram & C.b

    Audio Diagram 190B5 LCD Go to cover page...
  • Page 39 Audio Board C.B.A.-1 190B5 LCD Go to cover page...
  • Page 40 Audio Board C.B.A.-2 190B5 LCD Go to cover page...
  • Page 41: Wiring Diagram

    Wiring Diagram 190B5 LCD Go to cover page...
  • Page 42: Power Diagram & C.b

    Power Diagram-1 190B5 LCD Go to cover page...
  • Page 43 Power Diagram-2 190B5 LCD Go to cover page...
  • Page 44 Power Board C.B.A 190B5 LCD Go to cover page...
  • Page 45 Power Board C.B.A.-2 190B5 LCD Go to cover page...
  • Page 46: Exploded View

    Exploded view 190B5 LCD Go to cover page 313815411271 313815411221 PLATE-VENT SPEAKER REAR COVER 313819870801 LSP BOX 16R 2W-L/R (PS-10015A) 1059 313815411201 313815412081 BACK COVER(T) 313815756831 RUBBER COMPACT BASE(T) 1053 313815859001 AUDIO ASSY 1051 313815859011 SCALER ASSY 1052 823827715321 LIPS(T50P046.01) 1054 313815858991 CONTROL ASSY...
  • Page 47: Recommended Parts List

    Recommended Parts List 190B5 LCD Go to cover page Model: 190B5CG/00 0030 313815756901 FRONT BEZEL ASSY(T) 0031 313815413371 BEZEL (T) 0032 313815412321 STRIP-DECORATION(T) 0033 313815411241 BUTTON-CONTROL 0034 313815411231 LENS-POWER 0091 313815756951 METAL SHIELDING ASSY 0450 313815637251 CARTON 0451 313815637231 CUSHION-R...
  • Page 48: Spare Parts List

    Spare Parts List 190B5 LCD Go to cover page Model: 190B5CG/00 3214 232270260472 RST SM 0603 RC21 4K7 PM5 2406 223878615649 CER2 0603 X7R 16V 100N PM10 Mechanical Parts 3215 232270260103 RST SM 0603 RC21 10K PM5 2407 223878615649 CER2 0603 X7R 16V 100N PM10...
  • Page 49: Spare Parts List

    Spare Parts List 190B5 LCD Go to cover page 6202 DIO REG SM BZX84-C5V1 (PHSE) 933137390215 7901 IC SM TPA6030A4PWP (TI00) 932219970668 6220 DIO SIG SM BAT54 (PHSE) 933742280215 6221 DIO SIG SM BAS32L (PHSE) 933913910115 6222 DIO SIG SM BAS32L (PHSE) 933913910115 8941...
  • Page 50: Different Parts List

    Different parts list 190B5 LCD Go to cover page Diversity of 190B5CS/27 comparing with 190B5CG/00 Diversity of 190B5CB/00 comparing with 190B5CG/00 Item Item 12NC Description 12NC Description 863900015388 190B5CS/27 863900015385 190B5CB/00 30 313815756911 FRONT BEZEL ASSY(B) 30 313815756891 FRONT BEZEL ASSY(S)
  • Page 51: General Product Specification

    . CE ENVIRONMENTAL POLICY . ANTI-GLARE TO REDUCE LIGHT REFLECTION . POWER MANAGEMENT CAPABILITY . SOG SUPPORT . TCO 03 . AUDIO SUPPORT . PROTECTIVE COVER inch LCD Monitor TFT SXGA TYPE :190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 52 Test conditions Resolution Brightness Image size 4.4.1 Actual display size 4.4.2 Max scan size Brightness uniformity Check cross talk White color adjustment 1 inch LCD Monitor TFT SXGA TYPE : 190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 53: 190B5 Lcd

    Display disturbances to external environment 6.4.1 Reliability Mean time between failures Quality assurance requirements Acceptance test Serviceability 10.0 Philips Flat panel monitors pixel defect policy inch LCD Monitor TFT SXGA TYPE :190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 54: Foreword

    TFT LCD monitor with max resolution up to 1280*1024 /76 Hz non-interlaced. 2.0 PRODUCT PROFILE This display monitor unit is a color display monitor enclosed in PHILIPS global styling cabinet, which has an integrated tilt and swivel base. 2.1.1 Type NR.
  • Page 55: Scanning Frequencies

    C-tick, CE(Europe), FCC(USA), IC(Canada), VCCI(Japan), BSMI, CCC(China), MIC (Korea) E2000, Nutek(Sweden), TCO03, TUV/GS, EPA, Ergonomics ISO13406-2 PC2001, Windows2000, Windows Me, Windows XP, Compatibility NSTL, inch LCD Monitor TFT SXGA TYPE :190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 56: Electrical Characteristics

    Blue video GND DDC +3.3V or +5V Logic GND Serial data line (SDA) H-sync / H+V V-sync Data clock line (SCL) 1 inch LCD Monitor TFT SXGA TYPE : 190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 57: Dvi Cable

    Ground (for +5V) - Cable detect 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- inch LCD Monitor TFT SXGA TYPE :190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 58 ADJUST COLOR :Original panel Color, 9300K for CAD/CAM , 6500K for image management, sRGB, User Preset: Red Green Blue adjust. OSD SETTING: OSD H-position, OSD V-position 1 inch LCD Monitor TFT SXGA TYPE : 190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 59 PRODUCT INFORMATION : Show Serial No./ Resolution / Video input. RESET TO FACTORY SETTING: return to Factory preset timings and settings. INPUT SELECTION : select Analog D-sub, Digital DVI-D. inch LCD Monitor TFT SXGA TYPE :190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 60: Timing Requirement

    1.175(37 lines) 0.381(13 lines) 0.317 (10 line) 0.086(3 line) SYNC. H/V - / - - / - POLARITY SEP . SYNC 1 inch LCD Monitor TFT SXGA TYPE : 190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 61 0.021 (1 line ) 0.018 (1 lines) SYNC. H/V + / + + / + + / + + / + POLARITY SEP . SYNC inch LCD Monitor TFT SXGA TYPE :190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 62 0.016 (1 line) 0.014 (1 line) 0.074(4 lines) 0.016(1 lines) SYNC. H/V + / + + / + POLARITY SEP . SYNC 1 inch LCD Monitor TFT SXGA TYPE : 190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 63 ) 0.015 (1 line) 0.028 (2 lines ) SYNC. H/V + / + + / + + / + POLARITY SEP . SYNC inch LCD Monitor TFT SXGA TYPE :190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 64 0.5(28 lines) R ( ms ) 12.766(720 lines) S ( ms ) 0.0184(1 lines) SYNC. H/V -/ + POLARITY SEP . SYNC 1 inch LCD Monitor TFT SXGA TYPE : 190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 65: Horizontal Scanning

    Amber LCD Stand-by Blanked <1W Amber LCD Suspend Blanked <1W Blanked <1W Amber LCD DC Power off N / A <1W LCD Off inch LCD Monitor TFT SXGA TYPE :190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 66: Display Identification

    31.5KHz 25.175 70Hz IBM VGA 10h 720X400 31.5KHz 28.322 70Hz IBM VGA 3h 640X480 37.5KHz 31.501 75Hz 640X480 35.0KHz 30.24 67Hz 1 inch LCD Monitor TFT SXGA TYPE : 190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 67: Image Size

    Apply the Fig 1. It should comply with the following formula: Minimum luminance of five points (brightness) >= 0.8 (Min) Maximum luminance of five points (brightness) inch LCD Monitor TFT SXGA TYPE :190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 68: Mechanical Characteristics

    Power cord socket Unit dimension / Weight Set dimension (incl. pedestal): 425(W) * 456(H) * 235(D) mm Net weight. : 7.4 kg 1 inch LCD Monitor TFT SXGA TYPE : 190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 69: Tilt And Swivel Base

    : 100% max (< 40 ) - Altitude. : 0 to 30,000 feet Note: recommend at 5 to 35 Degree C, Humidity less than 60 % inch LCD Monitor TFT SXGA TYPE :190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 70 Test parameters: Acceleration 100 m/s Pulse duration 16 ms Number of pulses 1000 Bump frequency 60 ~ 80 times/min Source: GB9384-97 1 inch LCD Monitor TFT SXGA TYPE : 190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 71 Display disturbances from external environment According to IEC 801-2 for ESD disturbances Display disturbances to external environment 6.4.1 EMI: FCC, VCCI, CE, C-Tick, BSMI, CCC, MIC inch LCD Monitor TFT SXGA TYPE :190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 72 The serviceability of this monitor should fulfill the requirements, which are prescribed in UAW-0346 and must be checked with the checklist UAT-0361. 1 inch LCD Monitor TFT SXGA TYPE : 190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 73 Total bright or block dot defects of all type 5 of fewer * 1 or 2 adjacent sub-pixel defects = 1 dot defect inch LCD Monitor TFT SXGA TYPE :190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 74 GENERAL PRODUCT SPECIFICATION(Continued) 190B5 LCD Go to cover page Fig 1: B rightness and Uniform ity Position 5 = Screen center point 1 inch LCD Monitor TFT SXGA TYPE : 190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 75 Fig 2: Cross talk pattern Gray level 184 (256 Gray level) Fig 3: Cross talk pattern Center at Gray level 0 (Black) B’ A’ inch LCD Monitor TFT SXGA TYPE :190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 76 GENERAL PRODUCT SPECIFICATION(Continued) 190B5 LCD Go to cover page 1 inch LCD Monitor TFT SXGA TYPE : 190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 77 GENERAL PRODUCT SPECIFICATION(Continued) 190B5 LCD Go to cover page inch LCD Monitor TFT SXGA TYPE :190B5CG/00 8639 000 15384 BRAND : PHILIPS 2004-02-19 IVONE LEE 2004-02-19...
  • Page 78: Troubling Shooting & Repair Flow Chart

    Trouble Shooting Go to cover page This page deals with problems that can be corrected by the user. If the problem still persists after you have tried these solutions, contact your nearest Philips dealer. Common Problems Having this problem? Check these items ·...
  • Page 79: Trouble Shooting

    Trouble Shooting 190B5 LCD Go to cover page · Press the Auto button. · Adjust the image position using the Horizontal Position and/or Display position is incorrect Vertical Position in OSD Main Controls. · Check that the signal cable is properly connected to the Image vibrates on the screen graphics board or PC.
  • Page 80: Repair Flow Chart

    190B5 Repair Flow Chart Go to cover page...
  • Page 81 Repair Flow Chart 190B5 LCD Go to cover page No Display Check Mains cord & LED of Monitor Check Power board 12V/3.3V DC Check video signals input Video source interface Check Check fluorescent Inverter panel lamp 625~765Vrms with load Check inverter Check main panel panel Front control key...
  • Page 82 190B5 LCD Repaire Flow Chart Go to cover page Bad brightness Check Bad Inverter Inverter panel output panel 625~765Vrms Check fluorescent lamp Check LCD panel Bad image Check Video, fh/fv signals Check components Check main panel cold soldering Check all connectors & LVDS cable Check LCD panel...
  • Page 83 X-radiation emissions. For continued X-radiation protection, the replacement 3. It is essential that the service technician has an accurate HV meter tube must be the same type as the original, including suffix letter,or a Philips available at all times. The calibration of this meter should be checked approved tupe.

This manual is also suitable for:

190b5cs/00190b5cs/27190b5cb/00190b5cb/27

Table of Contents