Hyundai ImageQuest L50AF Technical & Service Manual
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Hyundai ImageQuest L50AF Technical & Service Manual

Hyundai ImageQuest L50AF Technical & Service Manual

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L50A/L50AF
Multiscanning Color Monitor
TECHNICAL SERVICE MANUAL

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Summary of Contents for Hyundai ImageQuest L50AF

  • Page 1 L50A/L50AF Multiscanning Color Monitor TECHNICAL SERVICE MANUAL...

  • Page 2: Safety Precaution

    Safety Precaution WARNING Service should not be attempted by anyone unfamiliar with the necessary precautions on this monitor. The followings are the necessary precautions to be observed before servicing. 1. When managing this monitor , cover with shield plate to avoid to scrach on LCD surface. 2.

  • Page 3: Control Description

    L50A/L50AF Technical Service Manual Control Description Front View LED Indicator Soft Power Switch Support Modes V Frequency H Frequency Resolution (Hz) (kHz) Polarity Polarity Polarity 640 x350 * 70.0 25.175 31.5 640 x 400 * 70.0 25.420 31.5 720 x 400 * 70.1 28.322 31.5...
  • Page 4 Preset Mode Timing Resolution Refresh rate Horizontal Frequency 640 x350 * 25.175 70.086 640 x 400 * 69.911 25.420 720 x 400 * 28.322 70.087 640 x 350 85.080 31.500 640 x 400 31.500 85.080 720 x 400 85.039 35.500 640 x 480 * 25.175 59.940...
  • Page 5 L50A/L50AF Technical Service Manual Video Input Signal Recommended signal are shown below •Video Signal Video level : 0 to 700mV Polarity : positive Video Input : RGB separated Analog level Sync input : H-Sync(TTL level) V-Sync (TTL level) •Waveform Video input(R.G.B) 700mV •...

  • Page 6: Video Input Terminal

    Video Input Terminal A 15 Pin D-sub connector is used as the input signal connector Pin and input signals are shown in the table below. Pin Description SEPARATE SYNC/ SIGNAL DDC 1/2B PIN NO. GREEN BLUE RETURN RED GROUND GREEN GROUND BLUE GROUND LOGIC GROUND GROUND...

  • Page 7: Connecting With External Equipment

    L50A/L50AF Technical Service Manual Connecting with External Equipment Cautions Be sure to turn off the power of your computer before connecting the monitor. --6--...

  • Page 8: Theory Of Operation

    Theory of Operation 1. AC/DC Adapter Input voltage : 90 ~ 264 Vac, 50/60 Hz Input current : Max 1.5A (Vin : 90Vac , 50Hz) Inrush current : 15A peak (At 115Vac Max . Load) 30A peak (At 230Vac Max. Load) Output voltage : 18Vdc (At 115Vac / 230Vac Max , Load) Output current :...
  • Page 9 L50A/L50AF Technical Service Manual On Screen Controls & LED Indicator The menu for screen setting adjustment is located in the OSD and can be viewed in one of five languages OSD feature andmain funcrions are as follows: BRIGHTNESS Adjust the brightness of the screen. CONTRAST Adjust the contrast of the screen.
  • Page 10 There are three color settings available: Mode 1(a cool white), Mode 2(a warm white) or USER. With the USER setting you can set individual values for red, green and blue. INFORMATION Information shows the horizontal and vertical frequency of your display unit.
  • Page 11 L50A/L50AF Technical Service Manual Getting Fine Picture Step 1. At first Display, a full screen, such as, Window's background or "H" character should be achieved by using Editor (ex: Notepad. exe) Step 2. Adjust the screen to the center of the Display(LCD), by using the top and bottom display controls.
  • Page 12 Specification SIZE 15” Viewable diagonal Dot Pitch 0.297mm LCD Module Brightness 180 cd/m (MIN), 200 cd/m (TYP) Response Time 40m- sec (Max.) Signal R.G.B Analog Input Connector 15 pin D-SUB Connector 31.0 kHz~68.7 kHz / 31.0kHz ~ 60.0kHz (Framelock Mode) H-Freq SYNC V-Freq...

  • Page 13: Critical Parts Specification

    L50A/L50AF Technical Service Manual Critical Parts Specification 1. LCD Module HT-15X11 - 100 is a AM-TFT active matrix color liquid crystal comprising amorphous silicon TFT attached to each signal electrode, a driving circuit and a backlight. HT-15X11 - 100 has a built-in backlight display area contains 1024X768 pixels and can display full color (16.7M colors) Display area 304(H)X228(V)mm...
  • Page 14 5) LCDTTL a. Connector Part No : 3720101675 Supplier P/N : FX8 - 80P - SV Supplier : JST CO b. Cable Ass’y Part No : 3043000076 Supplier : CARRER Description: 80 Pin to 80 Pin FPC Cable Pin No Symbol Pin N o Symbol...
  • Page 15 L50A/L50AF Technical Service Manual --14--...
  • Page 16 --15--...

  • Page 17: Product Summary

    L50A/L50AF Technical Service Manual P-Channel 30-V (D-S) Rated MOSFET Product Summary DS(on) = ±10 V 0.02 @ V ±30 ±30 = ±4.5 V 0.035 @ V S S S SO-8 Top View P-Channel MOSFET Absolute Maximum Ratings ( = 25 C Unless Otherwise Noted Parameter Symbol Limit...
  • Page 18 Specifications (T = 25 C Unless Otherwise Noted) Parameter Symbol Test Condition Unit Static = ±250 A ±1.0 Gate Threshold Voltage GS(th) = 0 V, V 20 V Gate-Body Leakage = ±30 V, V ±1 = 0 V Zero Gate Voltage Drain Current Zero Gate Vo tage Drain Current = ±15 V, V ±5...

  • Page 19: Pin Configuration

    L50A/L50AF Technical Service Manual PIN CONFIGURATION PIN 1 IDENTIFIER SOGIN AD9884A TOP VIEW PINS DOWN (Not to Scale) CKINV CLAMP NC = NO CONNECT --18--...
  • Page 20 PIN FUNCTION DESCRIPTIONS (Continued) Pin Name Function OUTPUTS Data Output, Red Channel, Port A 7–0 Data Output, Red Channel, Port B 7–0 Data Output, Green Channel, Port A 7–0 Data Output, Green Channel, Port B 7–0 Data Output, Blue Channel, Port A 7–0 Data Output, Blue Channel, Port B 7–0...
  • Page 21 L50A/L50AF Technical Service Manual PIN FUNCTION DESCRIPTIONS (C ontinued ) Pin Name Function ANALOG INTERFACE REFOUT Internal Reference Output Output from the internal 1.25 V bandgap reference. This output is intended to drive relatively light loads. It can drive the AD9884A Reference input directly, but should be externally buffered if it is used to drive other loads as well.

  • Page 22: General Description

    74LCX14 Low Voltage Hex Inverter with 5V Tolerant Schmitt Trigger Inputs General Description Features The LCX14 contains six inverter gates each with a Schmitt 5V tolerant inputs trigger input. They are capable of transforming slowly 2.3V–3.6V V specifications provided changing input signals into sharply defined, jitter-free out- 6.5 ns t max (V 3.3V), 10 A I...
  • Page 23 L50A/L50AF Technical Service Manual --22--...
  • Page 24 Pin Number Pin Name Type Description Notes MA[8] Memory Address 8 ma MA[7] Memory Address 8 ma MA[6] Memory Address 8 ma MA[5] Memory Address 8 ma MA[4] Memory Address 8 ma MA[3] Memory Address 8 ma MA[2] Memory Address 8 ma MA[1] Memory Address...
  • Page 25 L50A/L50AF Technical Service Manual REF2 ADCVSS1 Analog VSS GREEN Green terminal Analog Pad ADCVDD1 Analog VDD ADCVSS2 Analog VSS BLUE Blue terminal Analog Pad ADCVDD2 Analog VDD PLLVSS0 Analog VSS Loop Filter Analog Pad PLLVDD0 Analog VDD PLLVDD1 Analog VDD PLLVSS1 Analog VSS PLLVDD2...
  • Page 26 BEVEN[0] Blue Pixel 0 4 ma BEVEN[1] Blue Pixel 0 4 ma BEVEN[2] Blue Pixel 0 4 ma BEVEN[3] Blue Pixel 0 4 ma BEVEN[4] Blue Pixel 0 4 ma BEVEN[5] Blue Pixel 0 4 ma BEVEN[6] Blue Pixel 0 4 ma BEVEN[7] Blue Pixel 0...
  • Page 27 L50A/L50AF Technical Service Manual DQ[15] Memory Data 4 ma DQ[7] Memory Data 4 ma DQ[24] Memory Data 4 ma DQ[6] Memory Data 4 ma DQ[25] Memory Data 4 ma DQ[5] Memory Data 4 ma DQ[26] Memory Data 4 ma DQ[4] Memory Data 4 ma DQ[27]...
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  • Page 54 6242027801 SHEET PROTECT PET T=0.1 6215234600 KNOB POWER ABS 94 HB 6261042200 RUBBER STAND SILICON B4214000701A SPRING COM 6201289000 COVER FRONT ABS 94 HB 6215234500 KNOB TACT ABS 94 HB 6220084000 LENS LED PMMA 5004000198 SCREW WAP TT 3*10 3330500220 15"...

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