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Quanta Computer L5TD Serial Manual

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___________________________________________________________________________________________
UANTA COMPUTER INC.
_________________________________________________________________
L5TD Serial Service Menu
Belinea 101551(111505)
July, 25, 2003 Revision: 1B
Issued By:
T.H. Chu
Checked By: Benjie Tsao
___________________________________________________
___________________________
___
The release of this document is under controlled by the company. Any extra
copy of this document must be written permission by the product manager.
______________________________________________________
________________________
___
- Quanta Confidential -

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Summary of Contents for Quanta Computer L5TD Serial

  • Page 1 ___________________________________________________________________________________________ UANTA COMPUTER INC. _________________________________________________________________ L5TD Serial Service Menu Belinea 101551(111505) July, 25, 2003 Revision: 1B Issued By: T.H. Chu Checked By: Benjie Tsao ___________________________________________________ ___________________________ The release of this document is under controlled by the company. Any extra copy of this document must be written permission by the product manager.
  • Page 2 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ History Page Reversion Date Remark 7/17/2003 Released. 7/25/2003 add power & inverter ckt., update V2 Panel P/N _____________________________________________________________________________________________________________________________ L5TD Service Menu Rev 1B Page: 2 - Quanta Confidential -...

  • Page 3: Table Of Contents

    L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ Content Chapter Page A. WARNING B. SAFETY PRECAUTIONS 1. DIMENSIONS 2. GENERAL INFORMATION 3. SPECIFICATIONS 4. THEORY OF OPERATION 5. DISASSEMBLY INSTRUCTIONS 6. CONTROL LOCATION 7. NECESSARY EQUIPMENT LIST 8. BLOCK DIAGRAM 9. CONDUCTOR VIEW 10.

  • Page 4: Warning

    L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by electricity should be serviced or repaired only by experienced professional technicians.

  • Page 5: Safety Precautions

    L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ SAFETY PRECAUTIONS 1. CAUTION: No modification of any circuit should be attempted. Service work should only be performed after you are through familiar with all of the following safety checks and servicing guide lines. 2.

  • Page 6: Dimensions

    L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 1. DIMENSIONS (Unit:mm) 1.1 Front View(ID1) 1.2 Top View _____________________________________________________________________________________________________________________________ L5TD Service Menu Rev 1B Page: 6 - Quanta Confidential -...
  • Page 7 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 1.3 Rear View 1.4 Side View _____________________________________________________________________________________________________________________________ L5TD Service Menu Rev 1B Page: 7 - Quanta Confidential -...

  • Page 8: General Information

    L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 2. GENERAL INFORMATION 2.1. OUTLINE This monitor is 15" multi-scan color LCD display with the following features. OSD ( on screen display ) control allows easy user adjustment. Power saving function, which helps saving energy , is also one of the highlights of this model. 2.2.

  • Page 9: Specifications

    L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 3. SPECIFICATION 3.1. Outline 3.1.1 Front Indication: POWER SW, LED(Green/Amber),UP,Down,LEFT,RIGHT,Set/Auto and MENU key are located on the front panel. 3.1.2 Video signal cable connector, audio line-in receptacle and DC inlet are located on the back side cabinet. 3.1.3 OSD menu includes the following function.
  • Page 10 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ connector x 1 3.4.3 Attached video signal cable Signal Name Red video Shell Green video Blue video Ground Ground Red ground Green return Blue return Ground Ground 14 15 SDA (serial data) Hsync Figure 3.4 Vsync (VCLK) SCL (serial clock) Signal cable input connector.
  • Page 11 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 3.5.3 Signal level and input impedance 3.5.3.1 Video Signal level This LCD display is adjusted at the factory using 0,7 Vp-p Video signal. 3.5.3.2 Sync Signal level H/V Separate : TTL level 3.5.3.3 Input impedance Video input : 75 ohms Sync input : >...
  • Page 12 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 3.5.6 General performance 3.5.6.1 Maximum pixel clock 78.85 MHz 3.5.6.2 Maximum luminance Test conditions: 100% all white pattern, brightness set to Maximum typical: 250 cd/m2 min : 200cd/m2 3.5.6.3 Brightness variation Value 75 % Variation (C / A x 100) Conditions Display image: Full white Brightness : Maximum...
  • Page 13 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 3.7. REGULATORY STANDARDS 3.7.1 Safety standards standards May refer to the logo label This monitor applies to various safety & EMI 3.7.2 EMC standards FCC part 15,subpart B , class-B (EMV) CE marking 3.8. OTHERS TCO03, 3.9.

  • Page 14: Theory Of Operation

    L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 4. THEORY OF OPERATION This section describes the function of the LCD monitor per functional block. L5EP monitor includes MB board(including audio board function inside), inverter board, adapter and button board. 4.1 MB BOARD The MB board is a four-layer, single-landed design with ground and internal planes provided.
  • Page 15 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 4.1.2 Microcontroller MT312 (U4) The MT312 is a microcontroller serves as the system microcontroller.That is , it programs the MST8016 and manages other devices in the system such as the keypad, the backlight, LED, audio and non-volatile RAM.using general purpose input/output (I/O) pins.
  • Page 16 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 4.1.3 Power reference AIC1739 (Q3) The AIC1739 is a 2.5V voltage provider. It could support maximum 100mA current capability. The 2.5V reference was for scaler MST8016 reference. The voltage was very important for this all the function that MVZ have. 4.2 Inverter/Power/Audio Board This is a specific inverter/Power/Audio module for L5TD monitor with backlight/EE parts/audio function.

  • Page 17: Disassembly Instructions

    L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 5. DISASSEMBLY INSTRUCTIONS 1.Stand and & rear cover removal 1) remove four large screw "1" from the rear cover 2) remove the back cover 2.Bezel removal 1) remove screw "1" & “2” from the Bezel 2) remove the bezel _____________________________________________________________________________________________________________________________ L5TD...
  • Page 18 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 3. Inverter cover & Inverter board removal 1) remove two screw "1", “2” & “3” 2) remove the shield cover 3) remove two screw "4" 4) remove cable 4 & 5 then remove Power/Inv board 4.

  • Page 19: Control Location

    L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 6. CONTROL LOCATION Button Define OSD Menu Trigger OSD Main Menu / Clear OSD 1. Select OSD Main Menu Item 2. Trigger Brightness/Contrast Menu. 1. Select OSD Main Menu Item 2. Trigger Brightness/Contrast Menu. DOWN POWER Switch Power ON/OFF...
  • Page 20 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ Dialog Overview l OSD Main Menu When user press the Menu key under none OSD status will trigger this menu appear for detail parameters adjust. This menu will display about 45 seconds if no one press other key, otherwise will refresh display time length.
  • Page 21 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ l Mode Information When Display timing changed this dialog will appear about 5 seconds. And this feature only enable when “Information” indicate On in OSD’s other page of main menu. l No Signal When user not support the video signal from the cable this dialog will appear about 20 seconds.
  • Page 22 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ Tracking Adjustment CLOCK: Adjust to minimize any vertical bars or stripes visible on the screen background. The horizontal screen size will also change. PHASE: Adjust to remove any horizontal distortion, and clear or sharpen the image of characters.
  • Page 23 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ This page only visible in factory mode l Factory1 Adjustment R,G,B OFFSET : Adjust current RGB cut off level R,G,B GAIN : Adjust current RGB Driver value. SPREAD : Adjust chip set internal frequency spread effect for EMI testing.

  • Page 24: Necessary Equipment List

    L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 7. NECESSARY EQUIPMENT LIST Item 1 Personal Computer with Windows 98/Me/XP 2 Luminance Meter Minolta CA 110 3 Video Generator : Chroma 2000,2135,2250 or equivalent like test program(Display Mate) 4 Color Analyzer : Minolta CA110 , Chroma or equivalent 5 Watt / Power Meter 6 10 Times Magnifier 7 Multimeter...

  • Page 25: Block Diagram

    8. BLOCK DIAGRAM L5TD Block Diagram Main Board LCD Monitor Button & LED Board CPU(with Flash ROM) Myson MTV312 DDC signal PC VGA port R, G, B x 6 bits x dual pixel = 36bits Panel power, clock, Hs, Vs, DEN TFT LCD MSTAR MST8016...

  • Page 26: Conductor View

    L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 9. CONDUCTOR VIEW Main Board Silkscreen Top __________________________ _______ ___________________________________ _______ _________________________ L5TD Service Menu Rev 1B Page: 26 - Quanta Confidential -...
  • Page 27 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ Main Board Top Layer __________________________ _______ ___________________________________ _______ _________________________ L5TD Service Menu Rev 1B Page: 27 - Quanta Confidential -...
  • Page 28 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ Main Board Button Layer __________________________ _______ ___________________________________ _______ _________________________ L5TD Service Menu Rev 1B Page: 28 - Quanta Confidential -...
  • Page 29 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ Button Board Silkscreen Button Board Layer Bottom __________________________ _______ ___________________________________ _______ _________________________ L5TD Service Menu Rev 1B Page: 29 - Quanta Confidential -...

  • Page 30: Schematic Diagram

    T X C+ T X C+ RXC+ T X C- T X C- RXC- PROJECT : L5TD 1U/6NC 0.1U/6NC Z5.6/NC Quanta Computer Inc. Z5.6/NC Z5.6/NC Z5.6/NC Z5.6/NC Title CONTENT Size Document Number DVI-D/NC ADD D19 D20 D21 D22 for ESD protection 5/3...
  • Page 31 GPO1 GPO2 22P/6 YDIO GPO2 0.1U/6 GPO3 YCLK BYPASS GPO3 GPO4 AVSS_LPLL GPO4 PROJECT : L5TD Quanta Computer Inc. Title CONTENT Size Document Number __________________________ _______ ___________________________________ _______ _________________________ MST8036/8136 SCHEMATIC1 Date: Wednesday , July 16, 2003 Sheet L5TD Service Menu Rev 1B...
  • Page 32 L26 0/8 DTC144EUA/NC 22U/25V/NC 0.1U/6 0.1U/6 0.1U/6 22U/25V/NC 0.1U/6 PROJECT : L5TD MTH276D126 MTH276D126 MTH276D126 MTH276D126 Quanta Computer Inc. Title __________________________ _______ ___________________________________ _______ _________________________ CONTENT Size Document Number L5TD MCU AND POWER Service Menu Rev 1B Page: 32 SCHEMATIC1...
  • Page 33 FXDIO BR0P XSTB BR0N BXDIO 6705-30-30P-R/NC YCLK YDIO LCDVDD 0/8NC LCDVCC5 LCDVCC 0/8NC PROJECT : L5TD Quanta Computer Inc. Title 6705-50-50P-R CONTENT 0.1U/6 0.1U/6 Size Document Number PANEL __________________________ _______ ___________________________________ _______ _________________________ SCHEMATIC1 Date: Wednesday , July 16, 2003...
  • Page 34 HDK632R-ST R104 3.3K/8 selse selse RIGH HDK632R-ST LEDR LEDG LED1 L-3WY GW YELLOW/GREEN PROJECT : L5TD Quanta Computer Inc. Title CONTENT PCB: Size Document Number BUTTON BOARD SCHEMATIC Date: Wednesday , July 16, 2003 Sheet __________________________ _______ ___________________________________ _______ _________________________...
  • Page 35 Power/Inverter Board Schematic...
  • Page 36 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ __________________________ _______ ___________________________________ _______ _________________________ L5TD Service Menu Rev 1B Page: 36...
  • Page 37 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ __________________________ _______ ___________________________________ _______ _________________________ L5TD Service Menu Rev 1B Page: 37...
  • Page 38 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ __________________________ _______ ___________________________________ _______ _________________________ L5TD Service Menu Rev 1B Page: 38...
  • Page 39 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ Power/Inverter Conductor view __________________________ _______ ___________________________________ _______ _________________________ L5TD Service Menu Rev 1B Page: 39...
  • Page 40 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ __________________________ _______ ___________________________________ _______ _________________________ L5TD Service Menu Rev 1B Page: 40...
  • Page 41 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 11. EXPLODED VIEW Plsease see the L5E_exploded_Assy_1.pdf __________________________ _______ ___________________________________ _______ _________________________ L5TD Service Menu Rev 1B Page: 41...
  • Page 42 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 12. TROUBLE SHOOTING HINTS 1. No Power NO POWER Check CN6 Change in AD board?? 14pins cable Change 14pin cable Check CN6 pin 8, 10 Check CN6 pin1,4 Change In AD board ? 3.3V correct ? Power board Check Power button Check Q3 2.5V...
  • Page 43 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 2. No Audio NO AUDIO Check connector Correct it CN2 ? Check IC301 pin 1,5 Correct it Audio input ? OSD control Check 3, 10 of IC301 Mute, Volume Volume, mute Check IC301 Correct it Pin 7, 13? Check speaker __________________________...
  • Page 44 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 3. 3. No Characters , Missing one Color No Characters Missing Color Check VGA cable Check CN2 VGA cable? Check U2 output? Check CN7 Change CN7 adjust LCD connectors? Ok ? Re-adjust Check FFC __________________________ _______ ___________________________________ _______ _________________________...
  • Page 45 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 13. REPLACEMENT PARTS LIST Part Number Location Part Description 0 1L5TZZZMA35 L5TD LCD MONITOR(ANALOG) 1 22L5TMB0007 L5TD M/B ASSY 2 38L5TCS0005 L5TD M/B S/S ASSY 3 AJ08016FF01 1 U2 IC(128P) MST8016(85MHZ,FQFP) 3 AJ00312VP18 1 U4 IC(44P) MTV312MV64AJ(12MHZ,PLCC) 3 AKE3A8S0Y01 1 U3...
  • Page 46 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 3 CS13903J902 1 R25 RES CHIP 390 1/10W +-5%(0603) 3 CS14703J908 2 R43,R44 RESISTOR CHIP 470 1/10W+-5%(0603) 3 CS21003J906 7 R14,R17,R46,R57,R58, RES CHIP 1K 1/10W +-5%(0603) R60,R61 3 CS22003J909 4 R15,R18,R33,R34 RES CHIP 2K 1/10W +-5%(0603) 3 CS31003J908 12 R38,R45,R51,R52,R59, RES CHIP 10K 1/10W +-5%(0603)
  • Page 47 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 2 32L5TLBMA17 L5TD-E LCD BEZEL SUB ASSY(SILVER) 3 EAL5R004026 LCD BEZEL-SILVER L5TD(EAL5RL004,R3B) 3 EBL5T001017 CONTROL BUTTON L5TL-877U(EBL5T001,REV3A) 4 EBL5T001009 CONTROL BUTTON L5TL 5 RB0D350GY01 ABS94HB D-350 BAYER 70 19 22 GRAY 4 RC00R951003 PAINT P-COAT 877U SILVER OR-951 4 RJXSG139001 THINNER PLASTICOAT THINNER 480-XSG-139 3 EBL5R003012...
  • Page 48 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 4 RH405020209 STEEL SUS301 46*23MM*T0.2 CP 4 MBL70001010 M4.0*7.5 T0.5(MBL70001,REV3A) 3 FBL70004019 GND PLATE-H L70B(FBL70004,REV3A)-L 4 RH111101007 STEEL SECC 97*1116MM*T1.0 4 RH405020209 STEEL SUS301 46*23MM*T0.2 CP 3 FBL70008014 LOCK METAL L70B(FBL70008,REV3A) 4 RH102010801 STEEL SECC 23*9MM*T0.8 2 EBL70002041 VESA COVER L70L BLACK(EBL70002,REV3B) 1 26L5TSAMA12...
  • Page 49 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 2 MF40080IBJ1 SCREW F4.0*8-I(NI) 14. SPARE PARTS LIST Part Number Location Part Description 0 1L5TZZZMA35 L5TD LCD MONITOR(ANALOG) 1 22L5TMB0007 L5TD M/B ASSY 1 23L5TBB0003 L5TL-E BUTTON/B ASSY 1 AS0201260C1 ADP/INV W/AUD W/OSW ADP-26AFDA 90~264V1A 2 AA0150XG208 LCD(TFT) CLAA150XG08(15",1024*768,XGA)
  • Page 50 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 2 DM333181801 POWER CORD SP-023+IS-14H05VV-F3P 1.8M EU Screw spare parts PART NO. DESCRIPTION MF40080IBJ1 SCREW F4.0*8-I(NI) MF30080BBJ5 SCREW F3.0*8L,B,NI MM40080BCI5 SCREW M4.0*8-B(NI,NYLOK) MF40080IBJ1 SCREW F4.0*8-I(NI) MS40100T138 SCREW M4.0*10-T(MC) MF30050IBJ6 SCREW F3*5-I(NI) MF30060BBJ6 SCREW F3.0*6-B(NI) MF30080BBJ5 SCREW F3.0*8L,B,NI MM25050FBJ6...
  • Page 51 L5TD Monitor UANTA COMPUTER INC. _____________________________________________________________________________________________________________________ 15. Auto White Balance Procedure Connect signal to monitor. The display signal need contain real black and full white. Press "Auto" button(don't release) when power ON(LED display Amber). Press OSD select FACTORY 2, Auto Color, RUN(For AD converter calibration on R, G and B gain, offset). Select Color Update, RUN.

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