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19" LCD Color Monitor Chassis: HUDSON 9
190V9FB/97(1) 190V9FB/93(1)
Service
190V9FB/27(1) 190V9FB/94(1)
Service
190V9FB/05(1) 190V9FB/93(2)
Service
190V9FB/00(1) 190V9FB/94(2)
190V9FB/6
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2 HUDSON 9 Revision List Version Release Date Revision History A00 Apr.02, 2008 Initial release, Draft Version Add CTV Model 190V9FB/27, 190V9FB05 and 190V9FB/00 A01 Apr.10, 2008 Add CTV Model 190V9FB/97 and it’s Philips 12NC A02 Apr.17, 2008 Add two new panels for 190V9FB/97 A03 Apr.30, 2008 Add CTV Model 190V9FB/93 and 190V9FB/94 A03 May.15, 2008 Perfect Philips 12NC for 190V9FB/93 and 190V9FB/94 A04 Aug.10.2008 Add panel for 190V9FB/93
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HUDSON 9 3 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. The special tools should be used when and as recommended. It is important to note that this manual contains various C
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4 HUDSON 9 1. Monitor Specifications http://www.wjel.net
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HUDSON 9 5 2. LCD Monitor Description The LCD monitor will contain a main board, a power board and a key board which house 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 main board chips each voltage. Monitor Block Diagram Flat Panel and CCFL Drive. CCFL backlight RS232 Connector Power board Main Board For white balance (Include: adapter, inverter)
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6 HUDSON 9 3. Operating Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The other control buttons are located at the front of the panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences. The power cord should be connected. - Connect the video cable from the monitor to the video card. - Press the power button to turn on the monitor, the power indicator will light up. - 3.2 Control Button
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HUDSON 9 7 Rear View http://www.wjel.net
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8 HUDSON 9 3.3 Adjusting the Picture Description of the On Screen Display When you press the button on the front control of your monitor, the On-Screen Display (OSD) Main Controls window will pop up and you can then start making adjustments to your monitor's various features. Use the keys to make your adjustments. To Lock/Unlock OSD function (User Mode) The OSD function can be locked by pressing “MENU” button for more than 10 seconds. Locked OSD function can be released by pressin
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HUDSON 9 9 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. http://www.wjel.net
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10 HUDSON 9 3.4 Connecting to the PC 1) Connect the power cord to the back of the monitor firmly. 2) Connect to PC (a) Turn off your computer and unplug its power cable. (b) Connect the monitor signal cable to the video connector on the back of your computer. (c) Plug the power cord of your computer and your monitor into a nearby outlet. (d) Turn on your computer and monitor. If the monitor displays an image, installation is complete. http://www.wjel.net
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HUDSON 9 11 4. Input/ Output Specification 4.1 Input Signal Connector Analog connectors Pin No. Description Pin No. Description 1. Red video input 9. DDC +5V 2. Green video input 10. Logic Ground 3. Blue video input 11. Ground 4. Sense (GND) 12. Serial data line (SDA) 5. Cable detect (GND) 13. H. Sync/ H+ V. Sync 6. Red video ground 14. V. Sync 7. Green video ground 15. Data clock line (SCL) 8. Blue video ground VGA connector layout 4.2 Factory Preset Display Modes
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12 HUDSON 9 4.3 Pixel Defect Policy http://www.wjel.net
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HUDSON 9 13 http://www.wjel.net
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14 HUDSON 9 http://www.wjel.net
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HUDSON 9 15 4.4 Failure Mode Of Panel Quick reference for failure mode of LCD panel this p age 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. Phenomenon Failure description Vertical block defect Polarizer has bubbles Vertical dim lines Foreign material inside polarizer. It shows liner or dot shape. Vertical lines defect (Al
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16 HUDSON 9 5. Block Diagram 5.1 Software Flow Chat 1 Y 2 3 N 4 N 5 Y 6 N 7 8 Y 9 N 10 11 Y N N 12 13 Y Y N 14 15 16 Y 17 N 19 18 Y http://www.wjel.net
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HUDSON 9 17 1) MCU initialize. 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. 9) Save the power key status into EPROM. Turn on the LED and set it to green color. Scalar initializes. 10) In standby mode? 11) Update the lifetime of back light. 12) Check the analog port, are there any signals coming
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18 HUDSON 9 5.2 Electrical Block Diagram 5.2.1 Main Board Panel Interface (CN403) Scalar TSUM1PFR-LF EEPROM Keypad Interface (Include MCU, ADC, OSD) M24C16 (CN401) (U401) (U403) H sync V sync RGB Flash Memory Crystal SST25VF010A-33-4C 14.31818MHZ (U402) (X401) D-Sub Connector (CN101) VGA_R+, VGA_SDA, VGA_G+, VGA_SCL VGA_B+ EEPROM EEPROM AZC099-04S AZC099-04S (U103) (U102) http://www.
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HUDSON 9 19 5.2.2 Inverter/Power Board AC input Bridge Rectifier Transformer Rectifier diodes EMI filter and Filter Start Circuit: R904、R905、R906 5V Feedback PWM Circuit Control IC 16V ON/OFF Output MOSFET Circuit Transformer Lamp Feedback Over ON/OFF PWM Circuit Voltage Control DIM Control IC DIM http://www.wjel.net
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HUDSON 9 20 6. Schematic 6.1 Main Board 715G2904-1 1 2 3 4 5 Top TSUM16FWR SCHEMATIC A A XGA/SXGA LVDS OUTPUT DSUB_R+ DSUB_R+ VCC1.8 DSUB_R- DSUB_R- DSUB_G+ DSUB_G+ VCC3.3 DSUB_G- DSUB_G- VCC1.8 DSUB_SOG DSUB_SOG CMVCC DSUB_B+ DSUB_B+ DSUB_5V DSUB_B- DSUB_B- VCC3.3 CMVCC1 DSUB_H DSUB_H CMVCC1 DSUB_V DSUB_V DSUB_5V DDC1_SDA DDC1_SDA CMVCC VCC3.3 DDC1_SCL DDC1_SCL CMVCC1 DET_CABLE DET_CABLE B B CMVCC1 VCC3.3 02.Input VCC1.8 CMVCC VCC3.3 PA[0..1] PA[0..1] PA[0..1] VCC1.8 CMVCC DSUB_5V PA[4
