AOC E2260SD Service Manual

22" lcd monitor
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22" LCD Monitor
Service
Service
Service
Description
Table of Contents.........................................................1
Revision List................................................................2
Important Safety Notice...............................................3
1.Monitor Specification.................................................4
2.LCD Monitor Description.......................................5
3.Operation Instruction...............................................6
3.1.General Instructions.................................................6
3.2.Control Button......................................................6
3.3.OSD Setting...........................................................8
4.Input/Output Specification......................................16
4.1.Input Signal Connector.........................................16
4.2.Factory Preset Display Modes..............................17
4.3.Panel Specification............................................18
5.Block Diagram........................................................21
5.1.Main Board.....................................................21
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
R FOR TH
UNIT WHEN S

Table of Contents

Page
Description
5.2.Power Board.............................................22
6.Schematic.......................................................23
6.1.Main Board....................................................23
6.2.Power Board..................................................28
6.3.Key Board......................................................31
7.PCB Layout.....................................................32
7.1.Main Board....................................................32
7.2.Power Board..................................................35
7.3.Key Board...................................................37
8.Maintainability.................................................38
8.2.Trouble Shooting..........................................39
10.Monitor Exploded View.................................45
11.BOM.List................................................46
SAFETY NOTICE
AOC E2260SD
Horizontal Frequency
30-83 KHz
Page

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Summary of Contents for AOC E2260SD

  • Page 1: Table Of Contents

    22" LCD Monitor AOC E2260SD Service Service Service Horizontal Frequency 30-83 KHz Table of Contents Description Page Description Page Table of Contents..……......……..1 5.2.Power Board……………..……………...…..22 6.Schematic……………........23 Revision List.…........…………..2 6.1.Main Board………...........23 Important Safety Notice.……......……..3 6.2.Power Board...…….........28 1.Monitor Specification......………..4 6.3.Key Board...……..........31 2.LCD Monitor Description……………………………..5 7.PCB Layout..…………........32...
  • Page 2: Revision List

    Revision List Version Release Date Revision History TPV Model Name TCBSUF7BBGACHNE TCB2UF7BBGACHNE TCB2UF7DBGA7HNE Dec.-17-2012 Initial release TCBSUF7DBGACHNE TCB2UF7YBGACHNE TCB2UF7DBGACHNE...
  • Page 3: Important Safety Notice

    Important Safety Notice Proper service and repair is important to the safe, reliable operation of all AOC Company Equipment. The service procedures recommended by AOC and described in this service manual are effective methods of performing service operations. Some of these service operations require the use of tools specially designed for the purpose. The special tools should be used when and as recommended.
  • Page 4: Monitor Specification

    1. Monitor Specifications...
  • Page 5: Lcd Monitor Description

    2. LCD Monitor Description The LCD monitor will contain a main board, an adapter board, a key board which house the flat panel control logic, brightness control logic and DDC. The power part will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage.
  • Page 6: Operation Instruction

    This monitor only has one external control function button; press the Power/Auto Configuration button to turn the monitor on or off. If you need to adjust other functions, please visit the official AOC website (www.aoc.com)to download and install AOC’s exclusive i-Menu application software, and then perform related function adjustments to get the screen you require.
  • Page 7 USB (Optional) Power DVI (Optional) Analog (DB-15 VGA cable) Line in (Optional) To protect equipment, always turn off the PC and LCD monitor before connecting. 1. Connect the power cable to the AC port on the back of the monitor. 2.
  • Page 8: Osd Setting

    3.3 OSD Setting Basic and simple instruction on the control keys. 1) Press the MENU-button to activate the OSD window. 2) Press < or > to navigate through the functions. Once the desired function is highlighted, press the MENU-button to activate it . press< or >to navigate through the sub-menu functions. Once the desired function is highlighted, press MENU-button to activate it.
  • Page 9 Luminance 1 Press (Menu) to display menu. 2 Press < or > to select (Luminance), and press to enter. 3 Press < or > to select submenu, and press to enter. 4 Press < or > to adjust. 5 Press to exit.
  • Page 10 Image Setup 1 Press (Menu) to display menu. 2 Press < or > to select (Image Setup), and press to enter. 3 Press < or > to select submenu, and press to enter. 4 Press < or > to adjust. 5 Press to exit.
  • Page 11 Color Setup 1 Press (Menu) to display menu. 2 Press < or > to select (Color Setup), and press to enter. 3 Press < or > to select submenu, and press to enter. 4 Press < or > to adjust. 5 Press to exit.
  • Page 12 Picture Boost 1 Press (Menu) to display menu. 2 Press < or > to select (Picture Boost), and press to enter. 3 Press < or > to select submenu, and press to enter. 4 Press < or > to adjust. 5 Press to exit.
  • Page 13 OSD Setup 1 Press (Menu) to display menu. 2 Press < or > to select (OSD Setup), and press to enter. 3 Press < or > to select submenu, and press to enter. 4 Press < or > to adjust. 5 Press to exit.
  • Page 14 Extra 1 Press (Menu) to display menu. 2 Press < or > to select (Extra), and press to enter. 3 Press < or > to select submenu, and press to enter. 4 Press < or > to adjust. 5 Press to exit.
  • Page 15 Exit 1 Press (Menu) to display menu. 2 Press < or > to select (Exit), and press to enter. 3 Press < or > to select submenu, and press to enter. 4 Press < or > to adjust. 5 Press to exit.
  • Page 16: Input/Output Specification

    4. Input/Output Specification 4.1 Input Signal Connector Pin Assignments...
  • Page 17: Factory Preset Display Modes

    4.2 Factory Preset Display Modes...
  • Page 18: Panel Specification

    4.3 Panel Specification 4.3.1 General Features LTM220MT09 is a color active matrix liquid crystal display (LCD) that uses amorphous silicon TFT(Thin Film Transistor) as switching components. This model is composed of a TFT LCD panel, a driver circuit and a back light unit.
  • Page 19 4.3.3 Electrical Characteristics TFT LCD MODULE fV=60Hz, fDCLK = 72.33MHz, VDD = 5.0V...
  • Page 20 Back Light Unit Ta = 25 ± 2.º C 4.3.4 Optical Characteristics (Ta = 25 ± 2° C, VDD=5V, fv= 60Hz, fDCLK=59.6MHz, If=240mA)
  • Page 21: Block Diagram

    VLCD 04.SCALER 06.POWER T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size AOC E960SWDA/SDA 絬 隔 瓜 絪 腹 G5270-M01-000-0040-7-120710 TPV MODEL DUAL Key Component COVER & REVISE HISTORY PCB NAME 715G5270M010000040 称 爹...
  • Page 22: Power Board

    5.2 Power Board 715G5361P02000001S AC input Bridge Rectifier Transformer EMI filter Rectifier diodes and Filter Start Resistor (R908,R935) Feedback PWM Control Circuit Power Switch (IC901) (Q901) Photo coupler Regulator (IC902) (IC903) L801 D801 MOSFET (Q801) (CN801) PWM Control ON/OFF OZ9998BGN (U801) Audio CN601(Phone Jack)
  • Page 23: Schematic

    0.1UF 16V AZC398-04S AZC398-04S T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size AOC E960SWDA/SDA 絬 隔 瓜 絪 腹 G5270-M01-000-0040-7-120710 TPV MODEL DUAL Key Component D-SUB I/O PCB NAME 715G5270M010000040 <称爹> 称 爹...
  • Page 24 NC/22K 1/16W 5% R154 DVI_HPD 5 NC/LMBT3904LT1G T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size AOC E960SWDA/SDA 絬 隔 瓜 絪 腹 G5270-M01-000-0040-7-120710 TPV MODEL DUAL Key Component PCB NAME 715G5270M010000040 称 爹 <称爹> Date...
  • Page 25 NC/100R 1/16W 5% R471 NC/CONN NC/CONN T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL AOC E960SWDA/SDA Size 絬 隔 瓜 絪 腹 G5270-M01-000-0040-7-120710 TPV MODEL DUAL 715G5270M010000040 Key Component 5.0.SCALER PCB NAME 称 爹...
  • Page 26 RXOC- C432 C433 RXEC+ RXOC+ T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL AOC E960SWDA/SDA Size 絬 隔 瓜 絪 腹 G5270-M01-000-0040-7-120710 TPV MODEL DUAL Key Component LVDS PANEL I/O PCB NAME 715G5270M010000040 <称爹>...
  • Page 27 C721 0.1UF 16V 0.1UF 16V <Variant Name> T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL AOC E960SWDA/SDA Size 絬 隔 瓜 絪 腹 G5270-M01-000-0040-7-120710 TPV MODEL DUAL Key Component POWER PCB NAME 715G5270M010000040 称 爹...
  • Page 28: Power Board

    6.2 Power Board 715G5361P02000001S R929 100 OHM 1/4W C916 L905 F904 T5AL 250V 1000PF500V +16V R930 100 OHM 1/4W 3.5uH R903 100 OHM 1/4W R904 CN903 BD901 470R FB902 R939 470R ZD901 BEAD C933 C918 D2SB80 TZX22B 1000uF25V 1000uF25V D901 R905 C919 Q904...
  • Page 29 Vcc-1 R823 R827 C816 127R CN803 10 OHM 1/4W 100PF 500V FB905 FB802 D801 L801 +16V C801 47UH BEAD SB5100-E Q801 R804 C814 330UF 25V 100N 50V 10 OHM 1/8W C810 NC/CONN APM8005KCTRG 0.47UF 50V R801 R815 R821 Vcc-1 C809 R819 R820 R822...
  • Page 30 LOUT+ R615 C616 100R 1/10W 5% NC/220P 50V LOUT- PANEL_ID +5V1 ROUT+ C615 +5V1 NC/220P 50V ROUT- R602 C601 100UF 16V 10K 1/10W 5% C602 C603 100N 50V 100N 50V R603 10K 1/10W 5% C609 1uF 16V U601 CN602 MUTE LOUTP CN601 R604...
  • Page 31: Key Board

    6.3 Key Board 715G5357K03000001M BLUE CN001 SGND SGND LBADC1 R005 2KOHM 1/10W LBADC2 DC_POWERON R003 100R 1/10W 5% LED_1# LED_2# R001 100R 1/10W 5% R002 1K 1/10W 5% R004 2KOHM 1/10W CONN SGND AUTO(2.0K) 1.118V LBADC1 ( 100 ohm ) 0.083V DOWN (2K)
  • Page 32: Pcb Layout

    7. PCB Layout 7.1 Main Board 715G5270M01000004I...
  • Page 35: Power Board

    7.2 Power Board 715G5361P02000001S...
  • Page 37: Key Board

    7.3 Key Board 715G5357K03000001M...
  • Page 38: Maintainability

    8. Maintainability 8.1 Equipments and Tools Requirement Voltmeter. Oscilloscope. Pattern Generator. DDC Tool with an IBM Compatible Computer. Alignment Tool. LCD Color Analyzer. Service Manual. User Manual.
  • Page 39: Trouble Shooting

    8.2 Trouble Shooting No Power No power Check power cable is tightened? g the power cable Check Power “On/Off” Turn on the Power “On/Off” switch is “On”? Check the LED Check the AC power indicate is OK? Replace the converter board Replace main board and check connections Replace key board and check connections...
  • Page 40 2. No Video (Power LED Blue) No Video (Power LED Blue) Press the power Replace the main board button is OK? Replace the converter The end board Replace the main The end board and connection Replace the LVDS/FFC Check the LVDS/FFC cable or panel cable or panel Replace the key board...
  • Page 41 3. DIM DIM (image overlap, focus or flicker) Reset in factory mode The end Set to the optimal The end frequency, select the recommended frequency Readjust the phase and pixel The end clock in the user mode Pull out signal cable and Check the signal cable check “Self Test Feature and the PC...
  • Page 42 4. Color is not optimal Color is not optimal Color shift Miss color Reset the factory mode Replace the signal cable In the user mode, set the” color settings” until customer satisfy The end Pull out the signal cable and check the screen color display is normal? Replace the signal cable or PC Replace the main board...
  • Page 43: White-Balance, Luminance Adjustment

    9. White- Balance, Luminance Adjustment Approximately 30 minutes should be allowed for warm up before proceeding white balance adjustment. How to setting MEM channel you can reference to chroma 7120 user guide or simpl use “SC” key and “NEXT” Key to modify xyY value and use “ID”...
  • Page 44 A. Adjust Warm (6500K) color-temperature 1. Switch the chroma-7120 to RGB-Mode (with press “MODE” button) 2. Switch the MEM.channel to Channel 3 (with up or down arrow on chroma 7120) 3. The LCD-indicator on chroma 7120 will show x = 313 ±20, y = 329 ±20 4.
  • Page 45: Monitor Exploded View

    10. Monitor Exploded View...
  • Page 46: Bom.list

    11. BOM List Note: The parts information listed below are for reference only, and are subject to change without notice. Please go http://cs.tpv.com.cn/hello1.asp for the latest information. TCBSUF7BBGACHNE Location Part No. Description Remark 040G 58162435A MANUAL P/N LABEL 052G 2191 A PAPER TAPE 052G6019 1 INSULATING TAPE...
  • Page 47 Q52G100204500A00HB AL FOIL Q52G100204500A00HB AL FOIL Q52G100204500A00HB AL FOIL Q52G1301024A0100YY BIG CARTON TAPE FOR AOC 60MM Q52G1801MNT119AFJY INSULATING SHEET Q52G6019 14 TAPE ECN403 S95G179T30PW21 FFC CABLE 30P 245mm 1.0MM H40G000261553A TCO'05 EPA LABEL 756GHCCB0BV0070001 MAIN BOARD-CBPCCUFA1H2 SMTCC-U402 100GAMSC001W11 MCU ASSY-056G2233501...
  • Page 48 H40G 45762429A LABEL Q55G 100625 TIN STICK_LOW ARGENTUM C430 067G 3051013PB EC 105C 100uF M 16V 5*11mm JH CD263 C705 067G 3051013PB EC 105C 100uF M 16V 5*11mm JH CD263 C702 067G 3051013PB EC 105C 100uF M 16V 5*11mm JH CD263 R001 061G0603101 JT RST CHIP 100R 1/10W 5% TZAI YUAN...
  • Page 49 R803 061G0805304 JF RST CHIPR 300KOHM +-5% 1/8W FENGHUA R802 061G0805304 JF RST CHIPR 300KOHM +-5% 1/8W FENGHUA R809 061G08053303FT RST CHIP 330K 1% 1/8W R905 061G0805471 JF RST CHIPR 470 OHM +-5% 1/8W FENGHUA R825 061G0805479 JT RST CHIPR 4R7 +-5% 1/8W TZAI YUAN R807 061G0805479 JT RST CHIPR 4R7 +-5% 1/8W TZAI YUAN...
  • Page 50 C804 065G080547432K CAP CHIP 0805 0.47UF K 50V X7R C811 065G080547432K CAP CHIP 0805 0.47UF K 50V X7R C816 065G120610171J CAP 1206 100PF 5% 500V NP0 709G4744 HS001 CONSUMPTIVE ASS'Y SW001 077G603S AI HJ TACT SWITCH AI 2PIN SEALED SW004 077G603S AI HJ TACT SWITCH AI 2PIN SEALED SW005...
  • Page 51 J917 095G 90 23 JUMP WIRE - - C937 365G306K6812WR CAP Y1 680PF 10% 250V Y5P C903 065G306K47123R CAP Y1 470PF 10% 250V Y5P FB902 095G 90 23 JUMP WIRE - - C902 065G306K47123R CAP Y1 470PF 10% 250V Y5P C801 067G 5152216KT EC 220UF 20% 35V EJ...
  • Page 52 R924 061G152M30852T SY RST MOF 0.3R 5% 2W U701 056G 563527BHF LDO BL1117-33CX 1A 3.3V SOT-223 U104 056G 662 52 ESD PROTECT AZC398-04S.R7G SOT23-6 U101 056G 662 52 ESD PROTECT AZC398-04S.R7G SOT23-6 U107 056G 662 52 ESD PROTECT AZC398-04S.R7G SOT23-6 U106 056G 662 52 ESD PROTECT AZC398-04S.R7G SOT23-6...
  • Page 53 R422 061G0402102 JY RST CHIPR 1KOHM +-5% 1/16W YAGEO R150 061G0402102 JY RST CHIPR 1KOHM +-5% 1/16W YAGEO R421 061G0402102 JY RST CHIPR 1KOHM +-5% 1/16W YAGEO R703 061G0402103 JF RST CHIPR 10KOHM +-5% 1/16W FENGHUA R401 061G0402103 JF RST CHIPR 10KOHM +-5% 1/16W FENGHUA R412 061G0402103 JF RST CHIPR 10KOHM +-5% 1/16W FENGHUA...
  • Page 54 R701 061G0402472 JY RST CHIPR 4.7KOHM +-5% 1/16W YAGEO R133 061G0402472 JY RST CHIPR 4.7KOHM +-5% 1/16W YAGEO R107 061G0402750 JY RST CHIPR 75OHM +-5% 1/16W YAGEO R113 061G0402750 JY RST CHIPR 75OHM +-5% 1/16W YAGEO R121 061G0402750 JY RST CHIPR 75OHM +-5% 1/16W YAGEO R103 061G0603000 JY RST CHIPR MAX0R05 1/10W YAGEO...
  • Page 55 C106 065G040250931C CAP 0402 5PF 0.25pF 50V NP0 C110 065G040250931C CAP 0402 5PF 0.25pF 50V NP0 C101 065G040250931C CAP 0402 5PF 0.25pF 50V NP0 C413 065G040256031J CAP CHIP 0402 56pF 50V NP0 +/-5% C412 065G040256031J CAP CHIP 0402 56pF 50V NP0 +/-5% C406 065G0603475A5K CAP CHIP 0603 4.7UF K 10V X5R...

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