AOC E960SRDA Service Manual

AOC E960SRDA 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......................................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..................................................26
6.3.Key Board......................................................29
7.PCB Layout.....................................................30
7.1.Main Board....................................................30
7.2.Power Board..................................................33
7.3.Key Board...................................................35
8.Maintainability.................................................36
8.2.Trouble Shooting..........................................37
10.Monitor Exploded View.................................43
11.BOM.List................................................44
SAFETY NOTICE
AOC E960SRDA
Horizontal Frequency
30-83 KHz
Page

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Summary of Contents for AOC E960SRDA

  • Page 1: Table Of Contents

    19" LCD Monitor AOC E960SRDA 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...…….........26 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 Dec.-27-2012 Initial release T9CGHG7BFXACD1E T9CAHG6TFXACDNE T9CAHG7BFXA2DNE T9CAHG7BFXACDNE T9CAHG7KFXACDNE Feb.-26-2013 Add new models T9CGHG6TFXACDNE T9CGHG7BFXA2DNE T9CGHG7BFXACDNE T9CGHG7KFXACD1E T9CGHG7KFXACDNE...
  • 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 LM190E09-TLD1 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 19 Back Light Unit Ta = 25 ± 2.º C 4.3.4 Optical Characteristics Ta= 25° C, VLCD=5.0V, fV=60Hz fCLK=54.0MHz, IBL=60mA...
  • Page 20: 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) (CN406) D-Sub Connector DVI Connector (CN101) (CN102)
  • Page 21: Power Board

    5.2 Power Board 715G4497P05000001C AC input Bridge 14.5V Rectifier Transformer EMI filter Rectifier diodes and Filter Start Resistor (R908,R935) Feedback PWM Control Circuit Power Switch (U901) (Q901) Photo coupler Regulator (U902) (U903) L801 D801 14.5V MOSFET (Q801) (CN804) ON/OFF PWM Control PF7024 (U801) Audio...
  • Page 22: 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 23 VCC3IO VDDD_AD VCCK VCC3.3 VCC3IO VCC3.3 AVDD3V VDDP_AD AVDD3V_LV VCCP 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 24 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 25 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 26: Power Board

    6.2 Power Board 715G4497P05000001C R929 100 OHM 1/4W BD901 FB803 C916 2.2N 630V F801 R930 100 OHM 1/4W 0R05 1/4W +14.5V JUMP R903 100 OHM 1/4W C928 2.2N 630V R904 ZD901 250OHM2W MTZJ T-72 22B D901 C918 2KBP08M-70 NC/SR5150 330UF/25V R905 D902 470OHM +-5% 1/8W...
  • Page 27 D801A SR3100-MK18 FB802 D801 L801 CN803 +14.5V C801 47UH BEAD Q801 330uF 25V R804 C814 100N 50V 10 OHM 1/8W C810 0.47UF 50V R801 APM8005KCTRG R815 R819 R820 R822 C809 160K 1/8W ON/OFF R814 10K 1/8W 4.7uF100V C802 C811 R805 0.47UF 50V R821 CN804...
  • Page 28 +5V1 +5V1 R602 C604 470UF M 16V 10K 1/10W 5% FB602 R603 10K 1/10W 5% C609 1U 25V 120 OHM 10K 1/10W 5% C618 470pF 50V U601 FB601 R609 SE/BTL LOUTP CN601 120 OHM CN602 VOLUME R604 10K 1/10W 5% C601 0.47uF 16V LINN LOUTN...
  • 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 715G4497P05000001C...
  • Page 35: Key Board

    7.3 Key Board 715G5357K03000001M...
  • Page 36: 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 37: 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 38 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 39 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 40 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 41: 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 42 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 43: Monitor Exploded View

    10. Monitor Exploded View...
  • Page 44: Bom.list

    P/N LABEL FOR BASE H40G000261553A TCO'05 EPA LABEL H40G020N61554A RATING LABEL E2060SwD EU H44G91071010TW CUSHION H44G91072010TW CUSHION H44G910761501A00HX ARTWORK CARTON E960SRDA WW H70G22C161503E CD MANUAL 60th KEPCCHA9 KEY BOARD PLPCC9451GHE2 ADAPTER BOARD Q33G0519ABJ 1S0130 Q33G0520 1 1C0100 LENS_POWER Q34G7498ABJ 2S0100...
  • Page 45 INSULATING SHEET Q52G6019 14 TAPE ECN410 S95G179T30NH85 FFC CABLE 30P 212 1.0MM Q50G 4 10 TIE (Y1900221) Q52G1301024A0100YY BIG CARTON TAPE FOR AOC 60MM 756GHCCB0BV0100001 MAIN BOARD-CBPCCHGA1H1 SMTCC-U402 100GAHG9002W11 MCU ASSY-056G2233501 CN404 033G3802 6B Y CONN 6PIN 2.0 CN701 033G3802 9B Y CONNECTOR 9P 2.0...
  • Page 46 CN902 095G 825 9D549 HARNESS 9P(SCN)-9P(2008) 100MM CN602 311GW200A04ABX WAFER 2.0mm 4P CN804 311GW200A06ABX WAFER 2.0mm 6P L801 373G0253214DN2 BOOST CHOKE 47UH 10% 2A -- 705GHC57029 709G4497 HM001 CONSUMPTIVE ASS'Y H40G 45762429A LABEL T901 S80GL22T3V6 X'FMR 490UH 7% 4UH EER28 -- Q55G 100625 TIN STICK_LOW ARGENTUM C709...
  • Page 47 R609 061G0603103 JT RST CHIP 10K 1/10W 5% TZAI YUAN R607 061G0603562 JF RST 0603 5.6K 5% 1/10W R606 061G0603562 JF RST 0603 5.6K 5% 1/10W RJ801 061G0805000 JF RST CHIPR 0 OHM +-5% 1/8W FENGHUA R820 061G0805000 JF RST CHIPR 0 OHM +-5% 1/8W FENGHUA R819 061G0805000 JF RST CHIPR 0 OHM +-5% 1/8W FENGHUA...
  • Page 48 R917 061G1206100 JT RST CHIPR 10 OHM +-5% 1/4W TZAI YUAN R817 061G12061001FT RST CHIP R 1Kohm +-1% 1/4W R912 061G1206101 JT RST CHIPR 100 OHM +-5% 1/4W TZAI YUAN R910 061G1206101 JT RST CHIPR 100 OHM +-5% 1/4W TZAI YUAN R903 061G1206101 JT RST CHIPR 100 OHM +-5% 1/4W TZAI YUAN...
  • Page 49 C912 065G080510432K CAP CHIP 0805 100N 50V X7R +/-10% C613 065G080510432K CAP CHIP 0805 100N 50V X7R +/-10% C609 065G080510522K CAP 0805 1UF 10% 25V X7R C608 065G080510522K CAP 0805 1UF 10% 25V X7R C807 065G080533332K CAP 0805 33NF K 50V X7R C927 065G080547332K CAP CHIP 0805 47NF K 50V X7R...
  • Page 50 J921 095G 90 23 JUMP WIRE - - C903 065G306M10233R CAP Y1 1NF 20% 250V Y5U CN901 006G 31500 EYELET J806 095G 90 23 JUMP WIRE - - F903 084G 56 4 C FUSE 4A 250V MST 4A 250V C918 367G215X3314AT EC 330UF 20% 25V 10*12 RF E715...
  • Page 51 J905 095G 90 23 JUMP WIRE - - J907 095G 90 23 JUMP WIRE - - J904 095G 90 23 JUMP WIRE - - J811 095G 90 23 JUMP WIRE - - J901 095G 90 23 JUMP WIRE - - J807 095G 90 23 JUMP WIRE - -...
  • Page 52 R104 061G0402100 JT RST CHIP 10R 1/16W 5% TZAI YUAN R113 061G0402100 JT RST CHIP 10R 1/16W 5% TZAI YUAN R129 061G0402100 JT RST CHIP 10R 1/16W 5% TZAI YUAN R701 061G0402101 JT RST CHIP 100R 1/16W 5% TZAI YUAN R707 061G0402101 JT RST CHIP 100R 1/16W 5% TZAI YUAN...
  • Page 53 R126 061G0402470 JT RST CHIP 47R 1/16W 5% TZAI YUAN R125 061G0402470 JT RST CHIP 47R 1/16W 5% TZAI YUAN R119 061G0402470 JT RST CHIP 47R 1/16W 5% TZAI YUAN R117 061G0402471 JT RST CHIP 470R 1/16W 5% TZAI YUAN R109 061G0402471 JT RST CHIP 470R 1/16W 5% TZAI YUAN...
  • Page 54 C711 065G040210412K CAP CHIP 0402 100nF K 16V X7R C410 065G040210412K CAP CHIP 0402 100nF K 16V X7R C414 065G040210412K CAP CHIP 0402 100nF K 16V X7R C409 065G040210412K CAP CHIP 0402 100nF K 16V X7R C415 065G040210412K CAP CHIP 0402 100nF K 16V X7R C421 065G040210412K CAP CHIP 0402 100nF K 16V X7R...
  • Page 55 ZD101 093G 39GA01 T RLZ5.6B ZD103 093G 39GA01 T RLZ5.6B 709G53060HS001 COMSUMPTIVE ASSY E715 715G5306M02000004C MAIN PCB FR4 DS 80*72*1.6MM 美纹胶带 H52G 2191 1 H52G1701 1 MESH PRINTTING_PAPER...

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