AOC E960SRD Service Manual

19" lcd monitor
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19" 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......................................17
4.1.Input Signal Connector.........................................17
4.2.Factory Preset Display Modes..............................18
4.3.Panel Specification............................................19
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..................................................27
6.3.Key Board......................................................29
7.PCB Layout.....................................................30
7.1.Main Board....................................................30
7.2.Power Board..................................................33
7.3.Key Board...................................................36
8.Maintainability.................................................37
8.2.Trouble Shooting..........................................38
10.Monitor Exploded View.................................44
11.BOM.List................................................45
SAFETY NOTICE
AOC E960SRD
Horizontal Frequency
30-83 KHz
Page

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Summary of Contents for AOC E960SRD

  • Page 1: Table Of Contents

    19" LCD Monitor AOC E960SRD 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...…….........27 1.Monitor Specification......………..4 6.3.Key Board...……..........29 2.LCD Monitor Description……………………………..5 7.PCB Layout..…………........30...
  • Page 2: Revision List

    Revision List Version Release Date Revision History TPV Model Name T9CGHG7BFXACHNE T9CGHG7BFXA2HNE Feb.-18-2013 Initial release T9CAHG7BFXACHNE T9CAHG7BFXA2HNE...
  • 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 Model name E960SRDA/ E960PRDA/ E960SRD Driving system TFT Color LCD Viewable Image Size 48.2cm diagonal Pixel pitch 0.294mm(H)X0.294mm(V) Panel Video R, G, B Analog lnterface & Digital Interface Separate Sync. H/V TTL Display Color 16.7M Colors Dot Clock...
  • Page 5: Lcd Monitor Description

    2. LCD Monitor Description The LCD monitor will contain a main board, a power 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 adjusts the brightness according to light intensity (only for E2260P /E2260S i-Care ) E2460PW /E2460SW /E2460S /E2460P...
  • Page 11 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 12 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 13 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 14 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 15 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 16 Exit 1 Press (Menu) to display menu. 2 Press < or > to select (Exit), and press to enter. 3 Press to exit. Exit Exit the main OSD LED Indicator Status LED Color Full Power Mode Green or Blue Active-off Mode Orange or red...
  • Page 17: Input/Output Specification

    4. Input/Output Specification 4.1 Input Signal Connector Pin Assignments Pin Number 15-Pin Side of the Signal Cable Video-Red Video-Green Video-Blue N.C. Detect Cable GND-R GND-G GND-B Ground N.C. DDC-Serial data H-sync V-sync DDC-Serial clock Pin Number 24-Pin Color Display Signal Cable Pin Number 24-Pin Color Display Signal Cable TMDS data 2-...
  • Page 18: Factory Preset Display Modes

    4.2 Factory Preset Display Modes HORIZONTAL VERTICAL STANDARD RESOLUTION FREQUENCY(kHZ) FREQUENCY(Hz) 640×480@60Hz 31.469 59.940 640×480@67Hz 35.000 66.667 640×480@72Hz 37.861 72.809 640×480@75Hz 37.500 75.000 Dos-mode 720×400@70Hz 31.469 70.087 SVGA 800×600@56Hz 35.156 56.250 SVGA 800×600@60Hz 37.879 60.317 SVGA 800×600@72Hz 48.077 72.188 SVGA 800×600@75Hz 46.875 75.000...
  • Page 19: Panel Specification

    4.3 Panel Specification 4.3.1 General Features LM190E09-TLK1 is a Color Active Matrix Liquid Crystal Display with a 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.
  • Page 20 Back Light Unit Ta = 25 ± 2.º C 4.3.4 Optical Characteristics 25° C =5.0V, f =60Hz =54.0MHz, I =80mA...
  • Page 21: Block Diagram

    5. Block Diagram 5.1 Main Board 715G5306M02000004C Crystal Panel Interface 24.576MHz (CN410) (X401) FLASH ROM Scalar IC HX6822-A080LAG MX25L2026DM1I Key Control Interface (Include ADC, OSD, MCU) (U402) (U401) (CN404) D-Sub Connector DVI Connector (CN101) (CN102)
  • Page 22: Power Board

    5.2 Power Board 715G4452P02002001M AC input Bridge Rectifier Transformer EMI filter Rectifier diodes and Filter Start Resistor (R919,R920,R921,R922) Feedback PWM Control Circuit (IC901) Photo coupler Regulator (IC902) (IC903) L801 D801 MOSFET (Q801) (CN804) PWM Control ON/OFF OZ9998BGN (U801)
  • Page 23: Schematic

    6. Schematic 6.1 Main Board 715G5306M02000004C 10R 1/16W 5% VGA_B+ R101 R103 C102 DSUB_B+ 0R05 1/10W 47N 16V ESD_VGA D_HS R114 0R05 1/10W R117 470R 1/16W 5% C104 R102 C101 DSUB_H D_VS R118 470R 1/16W 5% NC/5PF 50V 5PF 50V DSUB_V 75 OHM +-5% 1/16W 10R 1/16W 5%...
  • Page 24 VCC3IO VDDD_AD VCCK VCC3.3 VCC3IO VCC3.3 AVDD3V VDDP_AD VCCP AVDD3V_LV FB401 FB402 AVDD3V DVCC 3,4,5 VCC3.3 300OHM 300OHM C406 C407 C408 C409 C410 VDDP_AD VCC3.3 FB403 VCC3.3 FB405 AVDD3V_LV 120R/3000mA Mute GPIO26 100R 1/16W 5% R450 C709 C411 300OHM WP_DDC GPIO27 PB[0..9] C412...
  • Page 25 PA[0..9] PA[0..9] CN411 CN410 LVB3P LVB3N LVB0N RXO0- LVBCKP LVB0P RXO0+ LVBCKN LVB0N RXO0- RXO0+ LVB0P LVB1N RXO1- LVB2P LVB1N RXO1- RXO1+ LVB1P LVB1P RXO1+ LVB2N LVB2N RXO2- RXO2+ LVB2P LVB2N RXO2- LVB1P LVBCKN RXOC- RXOC+ LVBCKP LVB2P RXO2+ LVB1N LVB3N RXO3- RXO3+...
  • Page 26 VCC3.3 CN701 U701 NC/AP1117E33L-13-77 C701 C703 3,4,5 VCC3.3 5 VOUT 100N 16V 100uF16V C706 C707 BKLT-VBRI 100N 16V BKLT-EN 100uF16V Volume Mute# R701 Volume# 100R 1/16W 5% R702 Mute CONN 470R 1/16W 5% U702 VOUT R708 NC/10K 1/16W 5% TO-252 R710 PANEL_ID# C704...
  • Page 27: Power Board

    C902 680PF 250V C903 680PF 250V ON/OFF +15V R928 F901 C917 Wire Harness 100N 50V CN901 SOCKET AOC 66TH Custom T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size MNT 禯瞒2.5mm / TV 禯瞒3mm 絬...
  • Page 28 0R05 1/10W R821 1 OHM +-5% 1/8W R822 R825 1 OHM +-5% 1/8W 0R05 1/10W FB804 BEAD AOC 66TH Custom T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size 絬 隔 瓜 絪 腹...
  • Page 29: 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 30: Pcb Layout

    7. PCB Layout 7.1 Main Board 715G5306M02000004C...
  • Page 33: Power Board

    7.2 Power Board 715G4452P02002001M...
  • Page 36: Key Board

    7.3 Key Board 715G5357K03000001M...
  • Page 37: 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 38: 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 39 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 40 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 41 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 42: 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 43 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 44: Monitor Exploded View

    9. Monitor Exploded View ITEM DESCRIPITION Q'TY ITEM DESCRIPITION Q'TY Q34G7647* H15G00747* BEZEL MAINFRAME Q33G0520* LENS_POWER Q34G7648* REAR_COVER Q33G0519* Q37G02490160ML HINGE ASS'Y KEPCCHA9 Q34G7498* KEY BOARD STAND 750GBG190E9K13N000 Q34G7649* PANEL BASE Q52G1801MNT162BFLT INSULATING SHEET 0M1G1140 6120 screw 0D1G1030 6120 screw POWER POWER PLPCC9451GHD1...
  • Page 45: 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. T9CGHG7BFXACHNE Location Part No. Description Remark 040G 58162435A MANUAL P/N LABEL 052G 2191 A PAPER TAPE HDCP-SMT 070GHDCP500HDC...
  • Page 46 TAPE ECN410 S95G179T30NH85 FFC CABLE 30P 212 1.0MM H40G000261553A TCO'05 EPA LABEL Q50G 4 10 TIE (Y1900221) Q52G1301024A0100YY BIG CARTON TAPE FOR AOC 60MM 756GHCCB0BV0110001 MAIN BOARD-CBPCCHGA1H2 SMTCC-U402 100GAHG9003W11 MCU ASSY-056G2233501 CN404 033G3802 6B Y CONN 6PIN 2.0 CN701 033G3802 9B Y CONNECTOR 9P 2.0...
  • Page 47 Q55G 100625 TIN STICK_LOW ARGENTUM C713 067G 3051013PB EC 105C 100uF M 16V 5*11mm JH CD263 C701 067G 3051013PB EC 105C 100uF M 16V 5*11mm JH CD263 C710 067G 3051013PB EC 105C 100uF M 16V 5*11mm JH CD263 C445 067G 3051013PB EC 105C 100uF M 16V 5*11mm JH CD263 C706 067G 3051013PB...
  • Page 48 R820 061G0805109 JF RST CHIPR 1 OHM +- 5% 1/8W FENGHUA R923 061G0805123 JF RST CHIPR 12KOHM +-5% 1/8W FENGHUA R811 061G08051502FT RST CHIP 15K 1/8W 1% R810 061G08051502FT RST CHIP 15K 1/8W 1% R809 061G08052003FT RST CHIP 200K 1/8W 1% R913 061G08053002FF RST CHIPR 30KOHM +-1% 1/8W FENGHUA...
  • Page 49 C806 065G080522432K CAP CHIP 0805 220N 50V X7R +/-10% C805 065G080522512K CAP CHIP 0805 2U2 16V X7R +/-10% C905 065G080533232K CAP 0805 3.3NF 10% 50V X7R C807 065G080547432K CAP 0805 470NF 10% 50V X7R C804 065G080547432K CAP CHIP 0805 0.47UF K 50V X7R C813 065G080568131J CAP CHIP 0805 680P 50V NP0 +/-5%...
  • Page 50 J9019 095G 90 23 JUMP WIRE - - D901 093G 6026T52T CTIFIER DIODE FR107 J9021 095G 90 23 JUMP WIRE - - R918 061G152M25152T SY RST MOF 250R 5% 2W C914 367G415X4713AT EC 470uf 20% 16V 10X13 RS IC903 056G 563355 Shunt Regu TL431G-A-TA TO-92 42V 150mA J9012 095G 90 23...
  • Page 51 Q703 057G 417518 TRA LMBT3904LT1G 200mA/40V SOT-23 LRC Q701 057G 417518 TRA LMBT3904LT1G 200mA/40V SOT-23 LRC Q706 057G 763940 MOSFET AO3401A SOT-23 R423 061G0402000 JT RST 0402 0.05R MAX 1/16W - R432 061G0402000 JT RST 0402 0.05R MAX 1/16W - R417 061G0402000 JT RST 0402 0.05R MAX 1/16W -...
  • Page 52 R415 061G0402153 JT RST CHIP 15K 1/16W 5% TZAI YUAN R404 061G0402220 JT RST CHIP 22R 1/16W 5% TZAI YUAN R405 061G0402220 JT RST CHIP 22R 1/16W 5% TZAI YUAN R407 061G0402220 JT RST CHIP 22R 1/16W 5% TZAI YUAN R429 061G0402222 JT RST CHIP 2K2 1/16W 5% TZAI YUAN...
  • Page 53 R466 061G1206301 JT RST CHIPR 300 OHM +-5% 1/4W TZAI YUAN R465 061G1206301 JT RST CHIPR 300 OHM +-5% 1/4W TZAI YUAN C107 065G040210232K CAP CHIP 0402 1N 50V X7R +/-10% C406 065G040210412K CAP CHIP 0402 100nF K 16V X7R C703 065G040210412K CAP CHIP 0402 100nF K 16V X7R...
  • Page 54 C111 065G040250931C CAP 0402 5PF 0.25pF 50V NP0 C403 065G060310512K CAP 0603 1UF 10% 16V X7R C451 065G0805106A5K CAP 0805 10UF 10% 10V X5R C450 065G0805106A5K CAP 0805 10UF 10% 10V X5R FB413 071G 56K121 TA CHIP BEAD 120R/6000mA HCB2012KF-121T60 FB406 071G 59A121 TA CHIP BEAD 120R/3000mA HCB1608KF-121T30...

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