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10. TROUBLESHOOTING

A. Main Procedure

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Summary of Contents for AL511

Page 1: ...ctor Type 9 F Connector pin assignment 10 6 VK 546 CONTROL PANEL BOARD 13 A Description 13 B Connector and Switch Locations 13 C Connector type 13 D Connector pin Assignment 14 7 POWER BOARD 15 A Description 15 B Electrical characteristics 15 C Connector locations 16 8 CIRCUIT DESCRPTION 17 A Micro Controller Circuit 17 B Circuit of Plug and Play 17 C System Clock 17 D Image Engine Zoom 17 E Power...

Page 2: ...efresh rate 1024 x 768 non interlaced 60Hz to 75 Hz vertical refresh rate Synchronization Frequencies Horizontal 24 kHz to 60 kHz Vertical 56 Hz to 75 Hz 1024 x 768 is up to 75 Hz Pixel Frequency 21 Mhz to 78 Mhz Resolution Horizontal 1024 dots Vertical 768 lines Active Display Area Horizontal 304 1 mm Vertical 228 1 mm Viewing Angles Up 40deg down 60deg TYP Left 60deg Right 60deg TYP CR 10 Displa...

Page 3: ...r ON OFF switch push to ON and push to OFF toggle switch C Power Management C 1 Power Management condition and status State Signals Power Video LCD LED Horizontal Vertical Video Supply Circuit On Pulses Pulses Active On On On Green Stand by No Pulses Pulses Blanking Off Off Yellow Suspend Pulses No Pulses Off No pulses No pulses Blacking On Yellow DC Power off Don t care Don t care Don t care Off ...

Page 4: ...ow stand by suspend off mode 2 LED Dark power off C 3 Power Consumption Meet VESA DPMS Proposal On mode 25 Wmax Stand by 5 Wmax Suspend 5 Wmax Off mode 5 Wmax DC power off 5 Wmax disconnection 5 Wmax Measured from AC input and not include audio at power saving state The stand by suspend and off mode recover to on mode about 3 seconds ...

Page 5: ...480 VESA 480 72Hz 72 809 520 480 3 1 20 37 5 840 640 64 16 120 31 5 640x480 VESA 480 75Hz 75 500 480 3 1 16 31 469 900 720 108 18 54 28 322 720x400 VGA 400 TEXT 70 087 449 400 2 12 35 35 156 1024 800 72 24 128 36 800x600 SVGA 56 25 625 600 2 1 22 37 879 1056 800 128 40 88 40 800x600 VESA 600 60Hz 60 317 628 600 4 1 23 48 077 1040 800 120 56 64 50 800x600 VESA 600 72Hz 72 188 666 600 6 37 23 46 875...

Page 6: ...gnal Input signal by using video signal generator with VGA Card port for this adjustment C Indication Input signal by using video signal generator with VGA Card port for this adjustment 3 ADJUSTMENT of Power Supply Input voltage AC 100 240Vac Rated input voltage AC 90 264Vac Frequency 50 60 Hz Rated frequency 47 63 Hz DC output Out voltage 12V 5V Maximum output current 1 5A 1 5A Minimum output cur...

Page 7: ...VL 547 display control board is design to directly convert the R G B signals from VGA Card D sub port to optimum LCD timing signals so as to construct a high display quality LCD monitor B Features On board sage chip to detect display timings and control user functions Using sage chip to convert R G B signals to digital timing Using sage chip to offer full screen expansion function on non XGA mode ...

Page 8: ...ed on a single chip The cost effective s9050 100 is suitable for the XGA and the s9050 for the SXGA market segment with smaller memory requirements Other features include a brand new high end scaler Active Color Management a flexible OSD Autoadjust SureSyncTM and independent monitoring of the analog interface A new standalone on chip pattern generator has been incorporated to simplify the manufact...

Page 9: ...9 D Connector Locations E Connector Type Location Type Maker Number of pins CN1 DZ11A91 L8 P1 524 FEMALE 15 J2 96113 1003 E T 10 J3 96113 0703 E T 7 CN3 98210 4011 E T 40 CN2 98210 4011 E T 40 ...

Page 10: ... Video Green Video Input 3 B Video Blue Video Input 4 Ground Ground 5 Ground Ground 6 Ground Ground 7 Ground Ground 8 Ground Ground 9 5V DCC DDC Power Input 10 Ground Ground 11 Ground Ground 12 DDC SDA DDC 2B Data 13 HS Horizontal Sync Input 14 VS Vertical Sync Input 15 DDC SCL DDC 2B Clock ...

Page 11: ...11 F 2 ...

Page 12: ... key 6 KEY Down Function select counter clockwise key 7 KEY R Adjust up key 8 KEY L Adjust down key 9 KEY POWER Power ON OFF key 10 GND GND F 4 J3 Pin NO Signal Comment 1 5V VL547 power input 2 5V VL547 power input 3 GND Ground 4 GND Ground 5 BLON Back Light ON OFF 6 MUTE Audio amplifier control signal No use 7 BRIGHT Brightness Adjustment ...

Page 13: ...scription The VK 546 is designed to offer an user interfaced control panel which passes and receives signals to and from power board B Connector and Switch Locations C Connector type Location Type Maker Number of pins J5 96113 1013 E T 10 ...

Page 14: ...7 7 KEY R Function select right to VL 547 8 KEY L Function select left to VL 547 9 KEY PWR Power ON OFF signal to VL 547 D 2 Switch definition Location Definition S1 Function select by clockwise direction S2 Adjust down S3 Adjust up S4 Function select by counter clockwise direction S5 Power ON OFF D 3 LED definition Location Definition D1 Green for ON mode Yellow for DC power off stand by suspend ...

Page 15: ...IENCY 75 Vin 12V Operating Life Time 40 000 Hours note Note Life time Hr can be defined as the time in which it continues to operate under the condition Ta 25 3 C IL 6 0mA B 2 For AU panel MIN TYP MAX COMMENT INPUT VOLTAGE 11 4V 12V 13 8V INPUT CURRENT 1A 1 2A Vin 12V MAX BRIGHTNESS BACKLIGHT VOLTAGE 630V rms 690Vrms LAMP CURRENT 3mA rms 6 5mA rms 8mArms DRIVING FREQUENCY 40KHz 55KHz 60KHz EFFICIE...

Page 16: ...ON2 SM02 8 0 B BHS 1 JST 2 J802 NC CON3 96113 00703 E T 7 C 2 Connector pin assisnment C 2 1 CON1 CON2 Pin NO Signal Comment 1 HV Hish Voltape 2 LV Common C 2 2 CON3 Pin NO Signal Comment 1 2 Vcc 5V 3 4 GND Ground 5 Ven Back Light ON OFF control Low active ON 0 1V OFF 3 6U 6 Mute NC 7 Vhri Brightness control min max For Hannstar pannel 0 45 2 7V For AU Pannel 0 45 3 3V ...

Page 17: ...ts U5 Sage reference clock D Image Engine Zoom The U5 Sage is a image engine that have following functions 1 The Sage is a IFM Input Format Measurement 2 The Sage are both high guilty scalar and timing controller chip E Power Regulator 1 The U12 APL117 is 1A linear regulator that transfer input voltage from 5V to 3 3V supports U5 2 The U13 AIC1084 is 5A linear regulator that transfer voltage from ...

Page 18: ...ower On Indicator LED lights Green color Power is ON LED lights Yellow Monitor is in Power Saving Mode LED is off Power is OFF 3 Function Select Buttons Press either left or right control button for OSD On Screen Display menu selection 4 Adjustment Control Buttons Press the left button to decrease the OSD setting and press the right button to increase the OSD setting ...

Page 19: ...19 B Rear Panel connector Input Signals Rear Panel Cable and Connector Item Cable Connector Function 1 Signal Cable Connect the video port 2 AC IN Power Connect Connect the AC power cord ...

Page 20: ...20 10 TROUBLESHOOTING A Main Procedure ...

Page 21: ...21 A 1 Power Circuit Troubleshooting ...

Page 22: ...22 A 2 Backlights Troubleshooting ...

Page 23: ...23 A 3 Performance Troubleshooting ...

Page 24: ...24 A 4 Function Troubleshooting ...

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