Acer AT2058ML Service Manual
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Acer AT2058ML Service Manual

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Acer AT2058ML&AT2358ML&AT2358MWL
Service Guide
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Summary of Contents for Acer AT2058ML

  • Page 1 Acer AT2058ML&AT2358ML&AT2358MWL Service Guide...
  • Page 2 Service Guide Version and Revision Version Date Revision History Customer Name TPV Model Name AT2058ML E20AG2NBX2ZANC Jul.-21-2010 Initial release AT2358ML E23AG2NBX2ZANC Aug.-23.2010 Add new model AT2358MWL E23AG2NBX2Z3N...
  • Page 3 Any Acer Incorporated software described in this manual is sold or licensed "as is". Should the programs prove defective following their purchase, the buyer (and not Acer Incorporated, its distributor, or its dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential damages resulting from any defect in the software.
  • Page 4 DIFFERENT part number code to those given in the FRU list of this printed Service Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and service of customer machines. Warning: (For FCC Certified Models) Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
  • Page 5 Precautions Do not use the monitor near water, e.g. near a bathtub, washbowl, kitchen sink, laundry tub, swimming pool or in a wet basement. Do not place the monitor on an unstable trolley, stand, or table. If the monitor falls, it can injure a person and cause serious damage to the appliance.

  • Page 6: Table Of Contents

    Table of Contents Monitor Features ……………………………………… General Specifications ……………………………………… TV Description ……………………………………… Precautions and Notices ……………………………………… D-SUB / HDMI Digital Connector ……………………………………… Chapter 1 Factory Preset Display Modes ……………………………………… TV Panel Specification ……………………………………… General Specifications ……………………………………… Electrical Specifications ……………………………………… Optical Specifications ………………………………………...

  • Page 7: Monitor Features

    Chapter 1 Monitor Features General Specifications...
  • Page 9 AT2058ML AT2358ML& AT2358MWL...

  • Page 10: Tv Description

    TV Description The TV will contain a main board, a converter board, a function key board, a LED board and an IR board. The main board and converter board will house the flat panel to control logic I C bus, DDC, brightness control logic for LCD panel, DC-DC conversion to supply the appropriate power to the whole board and transmitting TTL level signals into LCD Module to drive the LCD display circuit.

  • Page 11: D-Sub / Hdmi Digital Connector

    D-SUB Pin Distribution This procedure gives you instructions for installing and using the TV display. (1) Position the display on the desired operation and plug the power cord into a convenient AC outlet. Three-wire power cord must be shielded and is provided as a safety precaution as it connects the chassis and cabinet to the electrical conduct ground.

  • Page 12: Factory Preset Display Modes

    Factory Preset Display Modes: AT2058ML AT2358ML&AT2358MWL...

  • Page 13: Tv Panel Specification

    TV Panel Specification AT2058ML LM200WD3-TLA1 is a Color Active Matrix Liquid Crystal Display with an integral Light Emitting Diode(LED) backlight system. The matrix employs a-Si Thin Film Transistor as the active element. It is a transmissive type display operating in the normally white mode. It has a 20.0 inch diagonally measured active display area with HD+ resolution (900 vertical by 1600 horizontal pixel array) Each pixel is divided into Red, Green and Blue sub-pixels or dots which are arranged in vertical stripes.

  • Page 14: Electrical Specifications

    AT2358ML& AT2358MWL Electrical specifications AT2058ML...
  • Page 15 AT2358ML& AT2358MWL...

  • Page 16: Optical Specifications

    Optical Specifications AT2058ML Ta= 25°C, V =5.0V, f =60Hz f =48.9MHz...
  • Page 17 AT2358ML& AT2358MWL Ta= 25°C, V =5.0V, f =60Hz f =119MHz...

  • Page 18: Connecting Peripherals

    Chapter 2 Connecting Peripherals Front panel controls The control buttons are touch-sensitive. Simply touch the area to activate the function.
  • Page 19 Peripheral connection guide...

  • Page 20: Remote Control & Osd Operating Instructions

    Chapter 3 Remote Control & OSD Operating instructions Using the Remote Control...

  • Page 22: Using The Osd Menus

    Using the OSD Menus...
  • Page 32 How to Optimize the DOS-Mode Plug and Play Plug & Play DDC2B Feature This monitor is equipped with VESA DDC2B capabilities according to the VESA DDC STANDARD. It allows the monitor to inform the host system of its identity and, depending on the level of DDC used, communicate additional information about its display capabilities.

  • Page 33: Chapter 4 Machine Disassembly

    1. A proper screwdriver 2. A pair of glove 3. A pliers 4. A putty knife For AT2358MWL, machine color is white; BASE ASS’Y is different from AT2058ML&AT2358ML. Take AT2058ML&AT2358ML for example. Disassembly Procedure 1. Put the monitor on a clean soft cloth.
  • Page 34 3. Remove the rear cover. (1) Unscrew the screws on the rear cover. (2) Pry the monitor up then find out the hooks’ position, use the tool to open all latches. (3)Remove the rear cover.
  • Page 35 4. Disconnect the LVDS cable and FFC cable. 5. Remove the main board and power board. (1) Disconnect the cables marked in green. (2) Unscrew the screws marked in red.
  • Page 36 6. Unscrew the screws. 7. Remove the speakers. 8 . Remove the bezel. 9. Remove the main frame.
  • Page 37 10. The panel.

  • Page 38: Chapter 5 Trouble Shooting

    Chapter 5 Trouble Shooting 1. No power No power (LED “Off”) Check the AC input and Power “On” the power is “ON”? Converter board Replace the converter board output=5V? Check the IR board and LED Replace the IR board Replace the main board...
  • Page 39 2. Can’t start Can’t start (LED orange) Converter board output＝48.8V/44.8V？ Replace the converter board Check the power key is under control? Replace the key board Replace the IR board Check the IR receiver is normal? Replace the main board Replace the converter board...
  • Page 40 3. Abnormal Display Abnormal Display Reset the source Check the source Enter factory mode to do “EEPROM initial”&“Reset” Replace the main board Check the main board Replace the LVDS cable Check the LVDS cable Check the panel Replace the panel...
  • Page 41 4. No display No display (LED blue) Check TV is under control and power Replace the main board on/off by remote control and power key? Check the backlight is “On”? Check the LVDS cable Check the B/L signal is available? Reinsert or replace the Replace main board LVDS cable...
  • Page 42 5. Sound problem No sound or sound abnormal Check the audio source connection and the TV system are correct？ Reinsert the audio cable or change the TV system Check the TV is muted, adjust the volume or enter the menu to reset? Enter factory mode to do “Reset”...
  • Page 43 6. Remote Control malfunction Remote Control malfunction Check the remote control battery is Replace the battery not properly placed or no power? Use the other remote controls Replace the remote control Whether the IR board is Replace the IR board abnormal? Replace the main board...
  • Page 44 7. OSD is unstable or can’t work normally OSD is unstable or can’t work normally Reconnect the key board Key board connected properly? Replace the button function Buttons are OK? Replace the key board Key board is OK? Enter factory mode to do “Reset” Replace the main board...

  • Page 45: Chapter 6 Upgrade Firmware

    Upgrade Firmware Chapter 6 Step 1: Ready for F/W Upgrade 1.1 Change the software file name to ” upgrade.pkg” ,e.g.: Before change: After change: 1.2 Prepare a USB memory (The file system of USB memory must be FAT16 or FAT 32). 1.3 Copy the file (upgrade.pkg) from your computer to the USB memory, and remove the USB disk from computer’s USB port! Note: 1).
  • Page 46 Do the following steps rapidly: 1. Press “MENU”; 2. Press”1”+”9” +”9” +”9”; Figure 3.1 3.2 Check the F/W version on the second row of the factory mode info (e.g. the “Ver.” info is V1.01). If F/W version is incorrect, please check the version of F/W in your USB memory, else let’s go to Step 3.3. Figure 3.2 3.3 Press ‘BACK’...

  • Page 47: Chapter 7 White-Balance, Luminance Adjustment

    Chapter 7 White-Balance, Luminance Adjustment Introduction of adjust item: They only need adjust WB (Ypbpr’s Normal/Warm/Cool). WB Adjust Method 1. Enter into the factory mode: Turn on the TV, press RC key ‘MENU’+ ‘1’ + ‘9’ + ‘9’ +’9’. 2. Take an example of adjust Ypbpr_Normal: a.

  • Page 48: Fru (Field Replaceable Unit) List

    Service Guide. For ACER AUTHORIZED SERVICE PROVIDERS, your Acer office may have a different part number code from those given in the FRU list of this printed Service Guide.
  • Page 49 Note: The parts information listed below are for reference only, and are subject to change without notice. Please go to http://cs.tpv.com.cn/hello1.asp for the latest information. AT2058ML Item Description TPV Part No. Acer Part No. Q`ty BEZEL_TV200W-ACER2 A34T2102ALCA1C0130 60.MB10B.001 REAR_COVER_TV200W-ACER2 A34T2103ADT 1T0130 60.MB10B.002...
  • Page 50 AT2358ML&AT2358MWL Item Description TPV Part No. Acer Part No. Q`ty A34T2106ALCA1C0130(AT2358ML) 60.MB30B.001 BEZEL_TV23W A34T2106AFAB1T0130(AT2358MWL) 60.MB40B.001 A34T2107ADT 1T0130(AT2358ML) 60.MB30B.002 REAR_COVER 23 A34T2107AFA 1T0130(AT2358MWL) 60.MB40B.002 BASE_TV230W-ACER2 A34T2109ALB 1X0133(AT2358ML) 60.MB30B.003 BASE A34T2290AFA 1T0133(AT2358MWL) 60.MB40B.003 A33T1036ADT 1T0100(AT2358ML) LENS_COVER A33T1036AFA 1T0100(AT2358MWL) Q23T317878610A(AT2358ML) LOGO ACER Q23T317878610B(AT2358MWL)
  • Page 51 Part List Below picture show the description of the component. Description Picture TPV Part No. Acer Part No. A34T2102ALCA1C0130(AT2058ML) 60.MB10B.001 Bezel A34T2106ALCA1C0130(AT2358ML) 60.MB30B.001 A34T2106AFAB1T0130(AT2358MWL) 60.MB40B.001 750TVG200W3A13N0AC(AT2058ML) LK.20008.008 Panel 750TVG230F5A13N0AC(AT2358ML) LK.23008.010 750TVG230F5A13N000(AT2358MWL) LK.23008.010 A34T2103ADT 1T0130(AT2058ML) 60.MB10B.002 Rear Cover A34T2107ADT 1T0130(AT2358ML) 60.MB30B.002 A34T2107AFA 1T0130(AT2358MWL) 60.MB40B.002...
  • Page 52 LNTVAA482GAA2(AT2058ML) 55.MB10B.002 Converter Board LNTVAD443GAA5(AT2358ML& 55.MB30B.002 AT2358MWL) 756TQACB 2B038 00(AT2058ML) 55.MB10B.001 Main Board 756TQACB 2B040 00(AT2358ML) 55.MB30B.001 756TQACB 2B083 00(AT2358MWL) 55.MB40B.001 LED Board LEPFAQA6 55.MB10B.005 IR Board IRPFAQE3 55.MB10B.003 Key Board KEPFAQC9 55.MB10B.004 078G050A500 Y 23.MB10B.001 A15T1359103(AT2058ML) 33.MB10B.002 Main frame A15T1358201(AT2358ML&...

  • Page 53: Edid Data

    EDID Data DDC DATA for D-Sub Input AT2058ML 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F ----------------------------------------------- 00| 00 FF FF FF FF FF FF 00 04 72 58 20 01 01 01 01...

  • Page 54: Chapter 9 Pcb Layout

    Chapter 9 PCB Layout Main Board 715G3876M0B001005K...
  • Page 57 Converter Board 715G4283P0G0000040...
  • Page 58 Key Board 715G4362K0A000004S LED Board 715G4396T0B000004M...
  • Page 59 IR Board 715G4363R0B000004S...

  • Page 60: Chapter 10 Schematic Diagram

    The item of this page start from "701" T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL DTV ACER AT2326M MAIN BOARD Size Custom 絬 隔 瓜 絪 腹 G3876-1A-AT2326M-100414 TPV MODEL Key Component 04. POWER-1...
  • Page 61 The item of this page start from "750" DV33 TO DV12 for DVBC Demod T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL DTV ACER AT2326M MAIN BOARD Size Custom G3876-1A-AT2326M-100414 TPV MODEL 絬 隔 瓜 絪 腹 Key Component 05. POWER-2...
  • Page 62 The item of this page start from "1000" SMD/0402 16MHz W/O DVB-C T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL DTV ACER AT2326M MAIN BOARD Size Custom C1005 C1006 27P 50V 27P 50V G3876-1A-AT2326M-100414 TPV MODEL 絬 隔 瓜 絪 腹...
  • Page 63 SMD/0402 The item of this page start from "4000" T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL DTV ACER AT2326M MAIN BOARD Size Custom G3876-1A-AT2326M-100414 TPV MODEL 絬 隔 瓜 絪 腹 Key Component 07.
  • Page 64 The item of this page start from "4050" NC/4.7K1/16W SMD/0402 SMD/0402 T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL DTV ACER AT2326M MAIN BOARD Size Custom DV33 絬 隔 瓜 絪 腹 G3876-1A-AT2326M-100414 TPV MODEL 715G3876-1A Key Component 08. MT5362 PERIPHERAL/USB2.0 PCB NAME 称爹...
  • Page 65 The item of this page start from "4100" Bottom Side DDR#2 T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL DTV ACER AT2326M MAIN BOARD Size Custom G3876-1A-AT2326M-100414 TPV MODEL 絬 隔 瓜 絪 腹 Key Component 09. DDR2 MEMORY...
  • Page 66 Near PIN16 T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size Custom DTV ACER AT2326M MAIN BOARD 絬 隔 瓜 絪 腹 G3876-1A-AT2326M-100414 TPV MODEL Key Component 10. FLASH/JTAG/UART/IR/RS232 PCB NAME 715G3876-1A 称爹 Wednesday , May 05, 2010...
  • Page 67 PCMCIA The item of this page start from "4200" T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL DTV ACER AT2326M MAIN BOARD Size Custom G3876-1A-AT2326M-100414 TPV MODEL 絬 隔 瓜 絪 腹 Key Component 11.
  • Page 68 36K 1/10W 5% The item of this page start from "1050" T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL DTV ACER AT2326M MAIN BOARD Size Custom G3876-1A-AT2326M-100414 TPV MODEL 絬 隔 瓜 絪 腹 Key Component 10.
  • Page 69 SPDIF The item of this page start from "1150" T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL DTV ACER AT2326M MAIN BOARD Size Custom G3876-1A-AT2326M-100414 TPV MODEL 絬 隔 瓜 絪 腹 Key Component 13.
  • Page 70 (SIDE) The item of this page start from "501" T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL DTV ACER AT2326M MAIN BOARD Size Custom G3876-1A-AT2326M-100414 TPV MODEL 絬 隔 瓜 絪 腹 Key Component 14.
  • Page 71 The item of this page start from "601" T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL DTV ACER AT2326M MAIN BOARD Size Custom 絬 隔 瓜 絪 腹 G3876-1A-AT2326M-100414 TPV MODEL Key Component 15. AUDIO AMP/HEADPHONE OUT...
  • Page 72 The item of this page start from "401" T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL DTV ACER AT2326M MAIN BOARD Size Custom G3876-1A-AT2326M-100414 TPV MODEL 絬 隔 瓜 絪 腹 Key Component 16. LVDS OUTPUT...
  • Page 73 Converter Board 715G4283P0G0000040 AT2058ML D982 ZD993 C991 LL4148 RLZ5.6B 10nF50V R951 L980 4.7OHM 1/4W 100UH CN980 +19V FB901 F901 D980 D981 ON/OFF BEAD 0R05 1/4W R993 10KOHM +-1% 1/8W C986 C989 C914 R0805 1U50V 10UF 50V 1N 50V C984 C985...
  • Page 74 LED1 LED2 LED3 LED4 LED1 LED2 LED3 LED4 LED5 LED6 LED7 LED8 LED9 LED13 LED9 R974 R975 R976 R980 R981 R982 0R051/8W 0R051/8W 0R051/8W R940 D902 D903 D904 D905 D906 7.5R 1% R938 Q961 Q962 Q963 Q964 BAV70 Q971 Q972 Q973 Q974 2N3904...
  • Page 75 AT2358ML&AT2358MWL D982 ZD993 C991 LL4148 RLZ5.6B 10nF50V R951 L980 4.7OHM 1/4W 100UH CN980 +19V FB901 F901 D980 D981 BEAD 0R05 1/4W R993 ON/OFF 10KOHM +-1% 1/8W C986 C989 C914 R0805 1U50V 10UF 50V 1N 50V C984 C985 C987 10UF 50V ZD990 0.1uF 50V CN901...
  • Page 76 LED1 LED2 LED3 LED4 LED1 LED2 LED3 LED4 LED5 LED6 LED7 LED8 LED9 LED13 LED9 R974 R975 R976 0R051/8W 0R051/8W 0R051/8W R980 R981 R982 0R051/8W 0R051/8W 0R051/8W R940 D902 D903 D904 D905 D906 7.5R 1% Q961 Q962 Q963 Q964 BAV70 BAV70 Q971 Q972...
  • Page 77 R0122 0R05OHM1/16W(NC) RESET T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size Acer DVB KEY BOARD 絬 隔 瓜 絪 腹 G4362-K0A-000-0040 TPV MODEL Key Component 2.0.Touch key PCB NAME 715G4362-K0A <称爹> 称爹 Friday , July 02, 2010...
  • Page 78 2.2KOHM 1/10W CONN LED_R T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL 2K10 DVB ACER LED BOARD Size G4396-1-ACER 100528 TPV MODEL 絬 隔 瓜 絪 腹 Key Component 01. LED PCB NAME 715G4396 称爹...
  • Page 79 C0303 NC/100P 50V 1UF16V T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL 2K10 DVB ACER IR BOARD Size Custom G42363-1-ACER 100528 TPV MODEL 絬 隔 瓜 絪 腹 Key Component 02. IR PCB NAME 715G4363 称爹...

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