Hyundai ImageQuest L70A Technical & Service Manual
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Hyundai ImageQuest L70A Technical & Service Manual

Multiscanning color monitor
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L70A
Multiscanning Color Monitor
TECHNICAL SERVICE MANUAL

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Summary of Contents for Hyundai ImageQuest L70A

  • Page 1 L70A Multiscanning Color Monitor TECHNICAL SERVICE MANUAL...

  • Page 2: Safety Precaution

    L70A Technical Service Manual 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.

  • Page 3: Control Description

    Control Description Front View LED Indicator Soft Power Switch Support Modes *Aualog R,G,B Input V Frequency H Frequency Dot Clock H Polarity V Polarity Resolution (kHz) (kHz) (MHz) 70.1 31.5 720 x 400 28.322 59.9 31.5 640 x 480 25.175 37.5 640 x 480 31.5...

  • Page 4: Video Input Signal

    L70A Technical Service Manual Video Input Signal Recommended signal are shown below •Video Signal Video level : 0 to 700mV Polarity : positive or Negative Video Input : RGB separated Analog level Sync input : H-Sync(TTL level) V-Sync (TTL level) •Waveform...

  • Page 5: Video Input Terminal

    Video Input Terminal 1. Analog 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...
  • Page 6 L70A Technical Service Manual 2. Digital 24 Pin DVI-D Interface connector is used as the input signal connector Pin and input signal are shown in the table below. Pin Description SEPARATE SYNC/ SEPARATE SYNC/ PIN NO. DDC 1/2B PIN NO.

  • Page 7: Connecting With External Equipment

    Connecting with External Equipment Cautions Be sure to turn off the power of your computer before connecting the monitor. 15 pin D-sub cable (Analog RGB) DVI-D cable (Digital TMDS) --6--...

  • Page 8: Theory Of Operation

    L70A Technical Service Manual Theory of Operation 1. DC/AC INVERTER Input voltage : DC 12V Input current : 2.0A(Max) Output current : 6mArms(TYP) Frequency(switching) : 60KHz(Max) Output power : 17W(TYP) On/off control voltage : 5.0V 2. DPMS MODE Reference to DPMS files...
  • Page 9 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: * Analog OSD Control 1280X1024 V:60.0/H:63.9 BRIGHTNESS * Digital OSD Control 1280X1024 V:60.0/H:63.9...

  • Page 10: Auto Adjust

    CONTRAST Adjust the contrast of the screen. COLOR CONTROL Color temperature affects the tint of the image. With lower color temperatures the image turns reddish and with higher temperatures bluish. There are three color settings available: Mode 1(a cool white), Mode 2(a warm white) or USER.
  • Page 11 You can select the language in which adjustment menus are displayed. The following languages are available: English, French, German, Italian, Spanish and Japanese. H/V POSITION H-POSITION Adjusts the horizontal position of the entire screen image. V-POSITION Adjusts the vertical position of the entire screen image. CLOCK PHASE PHASE Adjust the noise of the screen image.
  • Page 12 L70A 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 13: Specification

    Specification 17” Viewable diagonal SIZE Dot Pitch 0.264mm LCD Module Contrast Ratio 450 : 1(TYP) Brightness 250 cd/m (TYP) Response Time 20ms (TYP.) Signal Analog R.G.B Signal / TMDS Signal Input Connector 15 pin D-SUB Connector/Digital 24Pin DVI H-Freq 31.0 kHz~80 kHz SYNC V-Freq 56Hz ~75 Hz...

  • Page 14: Critical Parts Specification

    L70A Technical Service Manual Critical Parts Specification 1. LCD Module HT18E22-200 is a A-Si TFT active matrix color liquid crystal comprising amorphous silicon TFT attached to each signal electrode, a driving circuit and a backlight. a built-in backlight display area contains 1280X1024 pixels and can display full color (16.7M colors)
  • Page 15 GM5020 MC68HC705BD7B The gm5020 is a graphics processin g IC providing high-quality images for LCD monitors and other pixelated displays. It combines a triple ADC, a DVI compliant TMDS receiver, a high quality zoom and shrink scaling engine, frame rate conversion, an on-screen display (OSD) controller, a microprocessor and many other functions in a single device.

  • Page 16: Operating Modes

    • MoirÈ cancellation Operating Modes • Adjustable sca ling algorithms • • Frame rate c onversion and scaling of image s • Bypass mode with no filtering and/or frame buffering Analog RGB Input Port • 1:1 ce ntering • Supports up to SX GA at 85Hz •...

  • Page 17: Mechanical Specifications

    MECHANICAL SPECIFI CATIONS Gold plate marks ball A1 Symbol inches M AX N OM MA X 2.2 0 2 .33 2 .4 6 0 .087 0.092 0.098 0.50 0.60 0.70 0.024 1.17 0.046 0 .6 0 0 .75 0 .9 0 0.030 0.56 .022...

  • Page 18: General Description

    L70A Technical Service Manual LP3961/3964 MC68HC705BD7B 800mA Fast Ultra Low Dropout Linear Regulators General Description Features • Ultra low dropoutvoltage The LP3961/LP3964 series of fast ultra low-dropoutlinear • regulators operate from a +2.5V to +7.0V inputsupply . Wide Low ground pin current range of preset output voltage options are available.
  • Page 19 Typical Application Circuits (Continued) DS101 129-2 # Minimumoutputcapacitance is 10 F to ensure stabilityover fullload current range. More capacitance provides superior dynamic performance and additionalsta- bilitymargin. *SD and ERROR pins must be pulledhigh through a 10kWpull-upresistor. Connect the ERROR pin to ground if this functionis not used. See applications section for more information.

  • Page 20: Connection Diagrams

    L70A Technical Service Manual Block Diagram LP3964 DS101 129-29 Block Diagram LP3964-ADJ DS101 129-30 Connection Diagrams DS101 129-4 Top View SOT 223-5 Package --19--...
  • Page 21 Connection Diagrams (Continued) DS101 129-5 Top View TO220-5 Package Bent, Staggered Leads DS101 129-6 Top View TO263-5 Package Pin Description for SOT223-5 Package LP3961 LP3964 Pin # Name Function Name Function Shutdown Shutdown Input Supply Input Supply OutputVoltage OutputVoltage ERROR ERROR Flag SENSE/ADJ Remote Sense Pin...
  • Page 22 L70A Technical Service Manual DS90C387/DS90CF388 MC68HC705BD7B Dual Pixel LVDS Display Interface (LDI)-SVGA/QXGA General Description Features Complies withOpenLDI specification for digitaldisplay • The DS90C387/DS90CF388 transmitter/receiverpair is de- interfaces signed to support dual pixel data transmission between Host and Flat Panel Display up to QXGA resolutions. The trans- 32.5 to 112/170MHzclock support...

  • Page 23: Transmitter Block Diagram

    Transmitter Block Diagram DS100073-2 Receiver Block Diagram DS100073-3 General Description (Continued) This chipset is an ideal means to solve EMI and cable size problems for high-resolution flat panel applications. It pro- vides a reliable interface based on LVDS technology that delivers the bandwidth needed for high-resolution panels while maximizing bit times, and keeping clock rates low to reduce EMI and shielding requirements.

  • Page 24: Absolute Maximum Ratings

    L70A Technical Service Manual Absolute Maximum Ratings (Note 1) Package Derating: DS90C387 18.2mW/!C above +25!C If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ DS90CF388 18.2mW/!C above +25!C Distributors for availability and specifications. ESD Rating: DS90C387 Supply Voltage (V -0.3V to +4V...
  • Page 25 Electrical Characteristics (Continued) Over recommended operating supply and temperature ranges unless otherwise specified. Symbol Parameter Conditions Units TRANSMITTER SUPPLY CURRENT ICCTW Transmitter Supply Current = 100 W , C f = 32.5 MHz 91.4 Worst Case 5 pF, Worst Case f = 65 MHz Pattern ( Figures 1, 3 ),...

  • Page 26: Typical Application

    L70A Technical Service Manual LM-2596 MC68HC705BD7B SIMPLE SWITCHER Power Converter 150kHz 3A Step-Down Voltage Regulator General Description Features - 3.3V, 5V, 12V, and adjustable output versions The LM2596 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down - Adjustable version output voltage range, 1.2V to 37V...
  • Page 27 Connection Diagrams and Ordering Information Bent and Staggered Leads, Through Hole Surface Mount Package Package 5-Lead TO-263 (S) 5-Lead TO-220 (T) DS012583-3 DS012583-2 Order Number LM2596S-3.3, LM2596S-5.0, Order Number LM2596T-3.3, LM2596T-5.0, LM2596S-12 or LM2596S-ADJ LM2596T-12 or LM2596T-ADJ See NS Package Number TS5B See NS Package Number T05D --26--...

  • Page 28: Operating Conditions

    L70A Technical Service Manual Absolute Maximum Ratings (Note 1) Human Body Model (Note 2) 2 kV Lead Temperature If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ S Package Distributors for availability and specifications. Vapor Phase (60 sec.) +215!C Infrared (10 sec.)
  • Page 29 LM2596-ADJ Electrical Characteristics Specifications withstandard type face are for T = 25!°C, and those withboldface type apply over full Operating Tempera- ture Range LM2596-ADJ Units Symbol Parameter Conditions Limit (Limits) (Note 3) (Note 4) SYSTEM PARAMETERS (Note 5) Test Circuit Figure 1 Feedback Voltage 4.5V ¡´40V, 0.2A ¡´...
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  • Page 56 ABS 94-HB 6201298300 COVER FRONT ABS 94-HB 6242027803 SHEET PROTECT PET T=0.1 PART NO PART NAME DESCRIPTION QT'Y REMARK DRAWN PLANNED CHECKED APPROVED ANGLE TITLE SCALE EXPLODED VIEW L70A SHEET DWG NO. SIZE B42100***01A TAMP 031-2 FILE NAME : EXPLODED VIEW...

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