AOC EN5200-ei Service Manual
  1. Manuals
  2. Brands
  3. AOC Manuals
  4. Monitor
  5. EN5200-ei
  6. Service manual
AOC EN5200-ei Service Manual

AOC EN5200-ei Service Manual

Monitor (with nec(30-10) panel)
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
EN5200-ei

SERVICE MANUAL

EN5200-ei Monitor
(With NEC(30-10) PANEL)
THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY.EVERY REASONABLE
EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL; WE CANNOT
GUARANTEE THE ACCURACY OFTHIS INFORMATION AFTER THE DATE OF PUBLICATION AND
DISCLAIMS RELIABILITY FOR CHANGES, ERRORS OR OMISSIONS.
MANUFACTURE DATA
Oct-30-2003

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the EN5200-ei and is the answer not in the manual?

Questions and answers

Related Manuals for AOC EN5200-ei

Summary of Contents for AOC EN5200-ei

  • Page 1: Service Manual

    EN5200-ei SERVICE MANUAL EN5200-ei Monitor (With NEC(30-10) PANEL) THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY.EVERY REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL; WE CANNOT GUARANTEE THE ACCURACY OFTHIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS RELIABILITY FOR CHANGES, ERRORS OR OMISSIONS.

  • Page 2: Table Of Contents

    EN5200-ei Table of Contents Table of Contents ----------------------------------------------------------------------------- 02 Revision List ------------------------------------------------------------------------------------ Monitor Specification --------------------------------------------------------------------- 2. LCD Monitor Description --------------------------------------------------------------- 3. Operation Instructions -------------------------------------------------------------------- 3.1 General Instructions ------------------------------------------------------------------ 3.2 Control Button ------------------------------------------------------------------------- 3.3 Adjusting The Picture ---------------------------------------------------------------- 4. Input/Output Specification --------------------------------------------------------------- 4.1 Input Signal Connector --------------------------------------------------------------...
  • Page 3 EN5200-ei 5.3.1 Scalar Board ---------------------------------------------------------------------- 5.3.2 Inverter/Power Board ----------------------------------------------------------- 6. Schematic ----------------------------------------------------------------------------------- 7. PCB Layout --------------------------------------------------------------------------------- Main Board -----------------------------------------------------------------------------21 Inverter/Power Board ----------------------------------------------------------------22 8. Maintainability ------------------------------------------------------------------------------ 8.1 Equipments and Tools Requirements -------------------------------------------- 8.2 Trouble Shooting ---------------------------------------------------------------------- 9. White-Balance, Luminance Adjustment ---------------------------------------------- 10.

  • Page 4: Revision List

    EN5200-ei Revision List Revision Date Change Description...

  • Page 5: Monitor Specification

    EN5200-ei 1. MONITOR SPECIFICATIONS ITEM SPECIFICATION Display Area (mm) 301.1(H) x 228.1(V) (15.0-inch diagonal) Number of Pixels 1024(H) x 768(V) Pixel Pitch (mm) 0.297(H) x 0.297(V) Color Pixel Arrangement RGB vertical stripe Display Mode Normally white TN Number of Colors 262144(6bit/color) Brightness (cod / m²)

  • Page 6: Operation Instructions

    EN5200-ei 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 front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences.
  • Page 7 EN5200-ei OSD TABLE: Contrast Adjust the picture contrast. Brightness Adjust the picture brightness. Focus Adjust picture Focus. Clock Adjust picture Clock. Adjust the horizontal position of the picture. Position V.-Position Adjust the vertical position of the picture. Language Multi-Language selection Adjusts Red intensity.

  • Page 8: Input Signal Connector

    EN5200-ei 4. INPUIT/OUTPUT SPECFICATION 4.1 INPUT SIGNAL CONNECTOR PIN NO. DESCRIPTION PI N NO. DESCRIPTION Green Detect Cable Blue Ground DDC-Serial Data Ground H-Sync R-Ground V-Sync G-Ground DDC-Serial Clock B-Ground VGA Connector layout 4.2 FACTORY PRESET DISPLAY MODES VESA MODES...

  • Page 9: Power Supply Requirements

    EN5200-ei IBM MODES Horizontal Vertical Nominal Nominal Nominal Total Sync Sync Mode Resolution Frequency Freq. Pixel Polarity Polarity +/- .5kHz +/- 1 Hz Clock (MHz) 720x400@70Hz 900 x 449 31.469 70.087 28.322 640x350@70Hz 800 x 449 31.469 70.087 25.175 MAC MODES...

  • Page 10: Output Requirements

    EN5200-ei Primary to Safety Ground 1.5KVAC for 1 Minute (leakage current 10mA) 1.8KVAC for 1 Minute (leakage current 10mA) 4.3.2 OUTPUT REQUIREMENT PARAMETER RANGE CONDITION DC Out 12VDC ± 5% Min 0A Max 3.75A Load Regulation 12.0V ± 5% 11.4 to 12.6VDC...

  • Page 11: Optical Characteristics

    EN5200-ei 4.4.3 OPTICAL CHARACTERISTICS The optical characteristics are measured under stable conditions at 25 (Room Temperature) ITEM SYMBOL CONDITION UNIT = =0 Contrast Ratio = =0 Normal cd/m² Luminance = =0 Uniformity Response Time = =0 (Black/White) Horizontal –50~50 –60~60...
  • Page 12 EN5200-ei 35000 45000 IL=7.0mA Lamp life Time Continuous Operation...

  • Page 13: Block Diagram

    EN5200-ei 5. BLOCK DIAGRAM 5.1 MONITOR EXPLODED VIEW SCREW Q1A340-16-128X4 REAR COVER 34A675 SHIELD 85A548 MAIN BOARD MAIN FRAME 15A5683(HANNSTAR) SCREW INVERTER SHIELD Q1A1030-12-128X4 85A577 LCD PANEL 750ALCDX41-1 INVERTER BOARD 79AL15-6-S SUPPORT(BACK) 34A677 ADAPTER BOARD 80AL15-2-L1 HINGE SUPPORT(FRONT) 37A442 34E676...

  • Page 14: Software Flow Chart

    EN5200-ei 5.2 Software Flaw Chart (10) (11) (12)

  • Page 15: Electrical Block Diagram

    EN5200-ei 1. Initialize MCU settings, including I/O, Timer, ISR and Serial Port settings. 2. Read EEPROM content to recover monitor settings, including brightness, contrast, color temperature and OSD position etc. 3. Initialize system variable, including system flag, OSD timeout counter, burin mode status… etc.

  • Page 16: Inverter/Power Board

    EN5200-ei 5.3.2 INVERTER/POWER BOARD BLOCK DIAGRAM Inverter Block Diagram...
  • Page 17 EN5200-ei Power Block Diagram...

  • Page 18: Schematic

    VAA3 10K 1/16W 10K 1/16W VAA4 R209 R210 Q203 VAA4 AO3401 0 1/16W R207 4.7K 1/16W Q204 onPanel_5V/3.3V PMBS3904 C207 C208 R211 10uF/16V 0.1uF 10K 1/16W Title MST8011A/ MST8111Afor AOC Size Document Number POWER Date: Wednesday, June 11, 2003 Sheet...
  • Page 19 DAT1+ DAT1- AT24C02N-10SC NC DAT2+ DAT2- DAT3+ DAT3- DAT4+ DAT4- DAT5+ DAT5- CLK+ clk+ CLK- clk- JACK NC D306 D307 D308 D309 D310 D311 D312 D313 Title MST8011A/ MST8111Aor AOC Size Document Number INPUT Date: Wednesday, June 25, 2003 Sheet...
  • Page 20 0.1uF Volume PWM1 C402 22pF X401 VAA4 FB406 VDPLL 14.318MHz VAA4 XOUT C403 22pF 600 OHM C404 0.1uF C427 BYPASS 10uF/16V AVSS_LPLL C428 0.1uF Title MST8011A / MST8111A for AOC Size Document Number SCALER Date: Thursday, May 08, 2003 Sheet...
  • Page 21 R623 LEFT POWER R624 Mute_key OUT-R+ C606 C608 C610 OUT-L+ C607 C609 OUT-L- OUT-R- CON16A Title MST8011A / MST8111A for AOC Size Document Number Date: Wednesday, June 25, 2003 Sheet VCC5V+ VCC5V SOT-223 U201 VCC12V DIODE R202 VCC2.5 VCC12V RT9164-25CG CON402(PITCH 2.54)

  • Page 22: Pcb Layout

    EN5200-ei 7.PCB LAYOUT 7.1 MAIN BORAD...

  • Page 23: Inverter/Power Board

    EN5200-ei ITEM Description X401 CRYSTAL 14.318MHzHC-49U X601 CRYSTAL 12MHz HC-49US A U201 RT9164-25CG U202 AIC1084-33CM U301 M24C02-WMN6T SMT U401 MST811A PQFP-128 U601 PLCC SMT CONN PD41C-441 CN201 WAFER CN301 PHONE JACK (Only for SPK) CN503 PIN HEADER 24P 2.0mm CN602 WAFER 16PIN 2.0mm DIP...

  • Page 24: Maintainability

    EN5200-ei ITEM Description PT201 1.5MM RIVET PT202 1.5MM RIVET IC901 SG6841D BY SYSTEM IC902 PC123 Y82 IC903 HTL431 CN102 HEADER 2*6P CN201 WAFER CN202 WAFER CN203 CONN.2P R/A 87210-0236 DIP CN204 WAFER CN301 PHONE JACK (Only for SPK) CN302 3 PIN BD901...

  • Page 25: Trouble Shooting

    EN5200-ei 8.2 TROUBLE SHOOTING Defect Mode Failure Analysis Repair Testing Missing Line Abnorm Bright Dot Dark Dot Light Leakage Mura Check Panel Image Sticking Dot Defect Brightness Dot Defect Particle No display Check Power Change Power Check Change Check Panel...
  • Page 26 EN5200-ei Noise Check Single Change Single Flicker Check Change Mainboard Change Panel Check Panel Abnorma Check Mainbord Change Mainboard l Gray Check Panel Change Panel Check LVD Change LVD R\G\B Check Single Change Single Display Check Change Mainboard Check Panel...
  • Page 27 EN5200-ei Defect Mode Failure Analysis Repair Testing Change Keyboard LED Off Display Abnorma Change Keyboard LED Dark Change Keyboard LED Abnormal Change Keyboard LED Flicker Abnorma Check Wires Change Wires Check Mainboa Change Mainboard (DDC)U301 Change Keyboard Check Keyboard Abnorma...

  • Page 28: White-Balance, Luminance Adjustment

    EN5200-ei 9. WHITE- BALANCE, LUMINANCE ADJUSTMENT Approximately 30 minutes should be allowed for warm up before proceeding White-Balance adjustment. Before started adjust white balance, please setting the Chroma-7120 MEM. CHANNEL 3 TO 7800 colors, MEM. and MEM. CHANNEL 4 TO 6500 color...

  • Page 29: Edid Content

    EN5200-ei B Adjust C1(6500) color-temperature 1 Switch the chroma-7120 to RGB-Mode (with press “MODE” button ) 2 Switch the MEM .channel to Channel 4( with up or down arrow on chroma 7120 ) 3 The LCD-indicator on chroma 7120 will show x = 313 10, y = 329 10,...

  • Page 30: Bom List

    EN5200-ei BOM LIST T562KNXNKEE3N...
  • Page 31 EN5200-ei...
  • Page 32 EN5200-ei...
  • Page 33 EN5200-ei...
  • Page 34 EN5200-ei...
  • Page 35 EN5200-ei...
  • Page 36 EN5200-ei...
  • Page 37 EN5200-ei...
  • Page 38 EN5200-ei...
  • Page 39 EN5200-ei...
  • Page 40 EN5200-ei...
  • Page 41 EN5200-ei...
  • Page 42 EN5200-ei...

This manual is also suitable for:

En5200-ei

Table of Contents