AOC E2219P2 Service Manual
AOC E2219P2 Service Manual

AOC E2219P2 Service Manual

22" horizontal frequency 31-75 khz

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22" LCD Monitor
Service
Service
Service
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 Buttons and Connections...............................6
3.3.OSD Setting.............................................................6
4.Input/Output Specification........................................17
4.1.Input Signal Connector..........................................17
4.2.Preset Display Modes................................18
4.3.Panel Specification...........................................20
5.Block Diagram............................................................22
5.1.Main Board.....................................................22
5.2.Power Board..................................................23
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

Table of Contents

Page Description
6.Schematic..........................................................24
6.1.Main Board.......................................................24
6.2.Power Board....................................................30
6.3.Key Board....................................................32
7.PCB Layout.........................................................33
7.1.Main Board......................................................33
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......................................................47
SAFETY NOTICE
1
AOC E2219P2
Horizontal Frequency
31-75 kHz
Page

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Summary of Contents for AOC E2219P2

  • Page 1: Table Of Contents

    22" LCD Monitor AOC E2219P2 Service Service Service Horizontal Frequency 31-75 kHz Table of Contents Description Page Description Page Table of Contents…………………..…………………..…...1 6.Schematic…………..….........24 Revision List.…...........……..2 6.1.Main Board..…….…...........24 Important Safety Notice.….…......……..3 6.2.Power Board..……….........30 1.Monitor Specification......………....4 6.3.Key Board..……….........32 2.LCD Monitor Description……….……………………..5 7.PCB Layout..………..........33 3.Operation Instruction.…………....……...6...
  • Page 2: Revision List

    Revision List Version Release Date Revision History TPV Model Name Mar.9, 2012 Initial release TCB2NZ6BWKK2DN...
  • 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 number e2219P2 Driving system TFT Color LCD Viewable Image Size 55.8cm diagoanl Pixel pitch 0.282mm(H) x 0.282mm(V) LCD Panel Video R, G, B Analog lnterface & Digital Interface Separate Sync. H/V TTL Display Color 16.7M Colors...
  • Page 5: Lcd Monitor Description

    2. LCD Monitor Description The LCD monitor will contain a main board, a power board and 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

    3. Operating Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The other control knobs are located at front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences. * The power cord should be connected.
  • Page 7 Function Control Illustration Luminance Adjust Range Description Brightness 0-100 Backlight Adjustment Contrast 0-100 Contrast from Digital-register. Standard Mode Standard Text Mode Text Internet Mode Eco mode Internet Game Mode Game Movie Mode Movie Sports Mode Sports Gamma1 Adjust to Gamma1 Gamma Gamma2 Adjust to Gamma 2...
  • Page 8 Enable dynamic contrast ratio Image Setup Adjust picture Clock to reduce Clock 0-100 Vertical-Line noise. Adjust Picture Phase to reduce Phase 0-100 Horizontal-Line noise Adjust the verticalposition of the H.Position 0-100 picture. Adjust the horizontal position of V.Position 0-100 the picture. Color Temp.
  • Page 9: Led Indicators

    Orange or red How to use i-menu software Installation Welcome to use “i-menu” software by AOC. i-menu makes it easy to adjust your monitor display setting by menus on the screen instead of OSD button on the monitor. Please click here to setup the software.
  • Page 10 Luminance Adjust Range Description Contrast 0-100 Contrast from Digital-register. Brightness 0-100 Backlight Adjustment Standard Mode Standard Text Mode Text Internet Mode Eco mode Internet Game Mode Game Movie Mode Movie Sports Mode Sports Gamma1 Adjust to Gamma1 Gamma Gamma2 Adjust to Gamma 2 Gamma3 Adjust to Gamma 3 Disable dynamic contrast ratio...
  • Page 11 2. Image setup Image Setup Adjust Range Description Adjust picture Clock to reduce Clock 0-100 Vertical-Line noise. Adjust Picture Phase to reduce Phase 0-100 Horizontal-Line noise H.Position 0-100 Adjust the verticalposition of the picture. Adjust the horizontal position of the V.Position 0-100 picture.
  • Page 12 Color Temp. Adjust Range Description Recall Warm Color Temperature from Warm EEPROM. Recall Normal Color Temperature from Normal EEPROM. Preset Recall Cool Color Temperature from Cool EEPROM. Recall SRGB Color Temperature from sRGB EEPROM. Red Gain from Digital-register User Green Green Gain Digital-register.
  • Page 13 4. Color Boost Color Boost Adjust Range Description Full Enhance on or off Disable or Enable Full Enhance Mode Nature Skin on or off Disable or Enable Nature Skin Mode Green Field on or off Disable or Enable Green Field Mode Sky-blue on or off Disable or Enable Sky-blue Mode...
  • Page 14 5. Picture Boost Picture Boost Adjust Range Description Bright Frame on or off Disable or Enable Bright Frame Frame Size 14-100 Adjust Frame Size Brightness 0-100 Adjust Frame Brightness Contrast 0-100 Adjust Frame Contrast H. position Adjust Frame horizontal Position 0-100 V.position 0-100...
  • Page 15 6. Setting 7. Extra...
  • Page 16 How to use e-saver software Welcome to use AOC e-Saver monitor power management software! The AOC e-Saver features Smart Shutdown functions for your monitors, allows your monitor to timely shutdown when PC unit is at any status (On, Off, Sleep or Screen Saver);...
  • Page 17 3) The monitor will automatically shutdown 10 minutes after the PC is in sleep/stand-by mode. 4) The monitor will automatically shutdown 20 minutes after the screen saver appears. You can click “RESET” to set the e-Saver to its default settings like below.
  • Page 18: Input/Output Specification

    4. Input/Output Specification 4.1 Input Signal Connector Pin Number Description 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 No. Signal Name Pin No. Signal Name Pin No. Signal Name TMDS Data 2- TMDS Data 1- TMDS Data 0- TMDS Data 2+...
  • Page 19: Preset Display Modes

    4.2 Preset Display Modes Horizontal Vertical Stand Resolution Frequency(Khz) Frequency(Hz) 640×480 @60Hz 31.469 59.940 640×480 @72Hz 37.861 72.809 640×480 @75Hz 37.500 75.000 Dos-mode 720×400 @70Hz 31.469 70.087 Dos-mode 640×400 @71Hz 31.469 70.087 SVGA 800×600 @56Hz 35.156 56.250 SVGA 800×600 @60Hz 37.879 60.317 SVGA...
  • Page 20: Panel Specification

    4.3 Panel Specification 4.3.1 General Features TPM220Z1-ZGEL01 is a 22” wide TFT Liquid Crystal Display module with white LED(1 PCS Light-bar、LED-4014、 4P14S、 56 PCS) Backlight unit and 30 pin 2 ch-LVDS interface. This module supports 1680 x 1050 WSXGA+ (16:10 wide screen) mode and displays up to 16.7 millions colors.
  • Page 21 4.3.4 Optical Characteristics Test Conditions...
  • Page 22: Block Diagram

    5. Block Diagram 5.1 Main Board Panel Interface Crystal 12MHz (CN408) (X401) Scalar IC Flash ROM Key Control Interface NT68677UMFG/E MX25L2026DM1I (CN404) (U401) (U402) EEPROM EEPROM M24C02 M24C02 (U102) (U105) D-Sub Connector DVI-D Connector (CN101) (CN102)
  • Page 23: Power Board

    5.2 Power Board AC input Transformer Rectifier Bridge EMI filter (T901) diodes Rectifier and Filter Start Resistor (R904,R905) Feedback PWM Control Circuit Power Switch LD7576AGR (Q901) (IC901) Photo coupler (IC903) L802 D802 MOSFET (Q806) (CN807) PWM Control ON/OFF MP3389EY (U802)
  • Page 24: Schematic

    6. Schematic 6.1 Main Board 715G4640M01000004K RED+ FB101 BEAD R102 100R 1/16W 5% C102 47nF 16V RED- GREEN+ FB102 BEAD R103 100R 1/16W 5% C103 47nF 16V GREEN- BLUE+ FB103 BEAD R104 100R 1/16W 5% C104 47nF 16V BLUE- VGA5V R110 100R 1/16W 5% C108 47nF 16V...
  • Page 25 CN501 SHELL1 HDMI1/D2+ HDMI1_D2+ D2 Shield HDMI1/D2- SHELL3 HDMI1_D2- HDMI1/D1+ HDMI1_D1+ D1 Shield HDMI1/D1- HDMI1_D1- HDMI1/D0+ HDMI1_D0+ D0 Shield HDMI1/D0- HDMI1_D0- HDMI1/CK+ HDMI1_CK+ DET_HDMI1 ADC4 CK Shield DET_HDMI1 HDMI1/CK- HDMI1_CK- R753 CEC3* CEC_CTRL CE Remote HDMI_SCL HDMI1_+5V DDC CLK HDMI_SDA DDC DATA R153 ZD104...
  • Page 26 VCC3.3 DVDD FB401 FB402 DVI_VCC +5V_SB VCC3.3 120OHM 120OHM C405 C407 C409 C410 0.1UF 16V 0.1UF 16V 0.1UF 16V 0.1UF 16V VCC3.3 MPLL_VDD +5V_SB AUDIO_VDD ADC_VDD CVDD DVDD C403 C402 DVI_VCC ADC_1V8 MVDD MVDD 10uF 16V 10uF 16V C404 C406 0.1UF 16V 0.1UF 16V FB403...
  • Page 27 PA[0..9] PB[0..9] PA[0..9] PB[0..9] LVB0M CN408 LVA0M LVB0P CONN LVA0P LVB1M LVB0M RXO0- LVA1M LVB1P LVB0P RXO0+ LVA1P LVB2M LVB1M RXO1- LVA2M LVB2P LVB1P RXO1+ LVA2P LVBCKM LVB2M RXO2- LVACKM LVBCKP LVB2P RXO2+ LVACKP LVB3M LVA3M LVB3P LVBCKM RXOC- LVA3P LVBCKP RXOC+ LVB3M...
  • Page 28 +5V_AUDIO +5V_SB FB601 +5V_AUDIO +5V_AUDIO +5V_SB 120OHM LMBT3904LT1G D601 R603 C601 LL4148 10K 1/16W 5% C602 220UF 16V 0.1UF 16V Q601 MUTE +5V_AUDIO R604 R602 10K 1/16W 5% R601 1K 1/16W 5% 10K 1/16W 5% +5V_AUDIO R607 10K 1/16W 5% Q603 C603 LMBT3906LT1G...
  • Page 29 +5V_SB VCC3.3 U701 +5V_SB VCC3.3 VOUT VCC3.3 +5V_SB C702 R701 C701 10K 1/16W 5% 220uF 16V 0.1UF 16V C705 C703 C704 0.1UF 16V 100uF16V 0.1UF 16V CN701 R702 1K 1/16W 5% PWMB* Adj_BACKLIGHT VCC3.3 U702 VCC3.3 NC/AP2114D-3.3TRG1 R704 VIN VOUT 47K 1/16W 5% R705 ON/OFF...
  • Page 30: Power Board

    6.2 Power Board 715G4744P01000001C L904 820 OHM 2W 100 OHM 1/4W R918 R947 +16V 100 OHM 1/4W R919 Coil BD901A C912 1000pF630V 100 OHM 1/4W R920 ZD902 C917 R946 TZX18B C918 D906 470uF 50V 470uF 50V FMX-12SL 820 OHM 2W T901 R943 FB902...
  • Page 31 +15.6V +16.5 D802 F801 L802 +16V VOUT 47UH 0R05 4A 1/4W C819 C818 U802 SK310B R865 change to 1206 footprint R824 220N 50V 470uF 50V MP3389EY R832 10 OHM 1/4W 300K 1/8W 5% C815 0.47UF 50V C814 Q806 0.47UF 50V VFAULT C810 10NF/16V...
  • Page 32: Key Board

    6.3 Key Board 715G2836 3 LED_RED# LED_GRN# D001 CN001 LBADC1 R002 2K 1/10W LBADC2 DC_POWERON R003 0R05 1/10W 5% LED_GRN# LED_RED# C001 C002 C003 C004 C005 R004 2K 1/10W NC/0.001uF NC/0.001uF NC/0.001uF R005 1K 1/10W 5% NC/0.001uF NC/0.001uF CONN R006 0R05 1/10W 5% SW006 SW005 SW004...
  • Page 33: Pcb Layout

    7. PCB Layout 7.1 Main Board 715G4502M01000004C...
  • Page 35: Power Board

    7.2 Power Board 715G2824P03010001H...
  • Page 37: Key Board

    7.3 Key Board 715G2836 3...
  • 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 1. No Power No power Check power cable is Re-plug the power cable tightened? 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 simple use “SC” key and “NEXT” Key to modify xyY value and use “ID” key to modify the TEXT description Following is the procedure to do white-balance adjust .
  • Page 44 C. Adjust Cool (9300K) color-temperature 1. Switch the Chroma-7120 to RGB-Mode (with press “MODE” button) 2. Switch the MEM. Channel to Channel 9 (with up or down arrow on chroma 7120) 3. The LCD-indicator on chroma 7120 will show x=283±20, y=297±20, Y=200±20 cd/m 4.
  • Page 45: Monitor Exploded View

    10. Monitor Exploded Views...
  • Page 46 Item Description Q'ty BEZEL L22W-8Q1A LENS KEY PAD PANEL POWER BOARD MAIN BOARD MAINFRAME Item Part No. Description Q'ty REAR COVER 001G6017 1 THUMB-SCREW (BASE- HINGE ASS’Y) HINGE ASS'Y 0M1G1730 6120 SCREW (POWER BOARD-MAINFRAME) BASE ASS'Y 0M1G1740 14 47 CR3 SCREW (HINGE ASS’Y-STAND)
  • Page 47: Bom List

    HANDLE 1 Q45G 77 5 PE PACKING (Y1900241) Q50G 4 10 TIE (Y1900221) Q52G 1185 98 MIDDLE CARTON TAPE FOR AOC 72MM Q52G 1185 99 BIG CARTON TAPE FOR AOC 72MM 708GC0410CPQ01 AOC 40(880) 050G 600 3 HANDLE2 050G 600 4...
  • Page 48 AUDIO CABLE 1800MM 2nd Source E08904 089G 17356X554 AUDIO CABLE 1800MM Q41G780A61588A HA STAND Q41G78D161524A AOC INTER (EU) BV CARD Q41G78D1743 5A CARD TCO5.2 Q45G2010M0201A P.E. BAG (INSTR. BOOK) Q70G22C161531A E2219P2 CD MANUAL 040G 58162435A PN LABEL FOR MANUAL PE BAG...
  • Page 49 U402 056G2233501 FLASH MX25L2026DM1I-12G 2MB SOP-8 Q401 057G 417517 TRA LMBT3906LT1G -200MA/-40V SOT-23 LRC Q402 057G 417517 TRA LMBT3906LT1G -200MA/-40V SOT-23 LRC Q603 057G 417517 TRA LMBT3906LT1G -200MA/-40V SOT-23 LRC Q701 057G 417518 TRA LMBT3904LT1G 200MA/40V SOT-23 LRC Q702 057G 417518 TRA LMBT3904LT1G 200MA/40V SOT-23 LRC Q604 057G 417518...
  • Page 50 R103 061G0402101 JI BEST ONLY RST 0402 100R 5% 1/16W TA-I R104 061G0402101 JI BEST ONLY RST 0402 100R 5% 1/16W TA-I R110 061G0402101 JI BEST ONLY RST 0402 100R 5% 1/16W TA-I R111 061G0402101 JI BEST ONLY RST 0402 100R 5% 1/16W TA-I R112 061G0402101 JI BEST ONLY RST 0402 100R 5% 1/16W TA-I...
  • Page 51 R605 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN R607 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN R608 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN R609 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN R610 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN...
  • Page 52 R612 061G0402333 JI RST 0402 33K 5% 1/16W R612 061G0402333 JT RST CHIP 33K 1/16W 5% TZAI YUAN R611 061G0402333 JT RST CHIP 33K 1/16W 5% TZAI YUAN R438 061G0402392 JF RST CHIPR 3.9KOHM +-5% 1/16W FENGHUA R439 061G0402392 JI TEST ONLY RST 0402 3.9K 5% 1/16W TA-I R440 061G0402392 JI...
  • Page 53 R429 061G0603471 JT RST CHIPR 470OHM +-5% 1/10W TZAI YUAN R420 061G0603621 JI RST 0603 620 5% 1/10W R420 061G0603621 JT RST CHIP R 620OHM 1/10W +/-5% TZAI YUAN R454 061G1206102 JI RST 1206 1K 5% 1/4W R455 061G1206102 JI RST 1206 1K 5% 1/4W R454 061G1206102 JT...
  • Page 54 C708 065G040210412K CAP 0402 100NF 10% 16V X7R C712 065G040210412K CAP 0402 100NF 10% 16V X7R C714 065G040210412K CAP 0402 100NF 10% 16V X7R C715 065G040210412K CAP 0402 100NF 10% 16V X7R C425 065G040210412K CAP 0402 100NF 10% 16V X7R C404 065G040210412K CAP 0402 100NF 10% 16V X7R...
  • Page 55 C113 065G040222415K CAP CHIP 0402 220NF K 16V X5R C116 065G040222415K CAP CHIP 0402 220NF K 16V X5R C401 065G040222415K CAP CHIP 0402 220NF K 16V X5R C717 065G040222415K CAP CHIP 0402 220NF K 16V X5R C750 065G040222415K CAP CHIP 0402 220NF K 16V X5R C608 065G040233131J CAP CHIP 0402 330PF 50V J NPO...
  • Page 56 C413 065G080510615K CHIP 10UF 16V X5R 0805 C403 065G080510615K CHIP 10UF 16V X5R 0805 C402 065G080510615K CHIP 10UF 16V X5R 0805 C603 065G120622615K CAP CHIP 1206 22UF K 16V X5R U402 070GHDCP500HDC HDCP CODE FB605 071G 56K121 HF CHIP BEAD 0805 120R 25% FB606 071G 56K121 HF CHIP BEAD 0805 120R 25%...
  • Page 57 D601 093G 6432P LL4148 D601 093G 64S522SEM LL4148 709G4640 QS001 CONSUMPTIVE ASS'Y 055G 100610 TIN CREAM W/O PB Q52G1701 7 MESH PRINTTING_PAPER E715 715G4640M01000004I MAIN BOARD PCB 2nd Source E715 715G4640M01000004K MAIN BOARD PCB KEPCAQXX KEY BOARD CN001 033G3802 6B YH CONN.6P 2.0 DIP LED YELLOW/GREEN LED001...
  • Page 58 L901 073G 174 65 X2 LINE FILTER 30MH MIN L905 073G 253 91 H IND CHOKE 3.5UH+-10% DADONG L904 073G 253 91 H IND CHOKE 3.5UH+-10% DADONG L903 073G 253 91 H IND CHOKE 3.5UH+-10% DADONG L903 073G 253 91 V CHOKE COIL 3.5UH+-10% L904 073G 253 91 V...
  • Page 59 R844 061G06031008FI RST 0603 1R 1% 1/10W TA-I R839 061G06031008FI RST 0603 1R 1% 1/10W TA-I R838 061G06031008FI RST 0603 1R 1% 1/10W TA-I R833 061G06031008FI RST 0603 1R 1% 1/10W TA-I R814 061G0603102 JF RST CHIPR 1K OHM +-5% 1/10W FENGHUA R823 061G0603102 JF RST CHIPR 1K OHM +-5% 1/10W FENGHUA...
  • Page 60 F801 061G12060004JF RST CHIPR MAX0R05 4A 1/4W FENGHUA FB902 061G12060004JF RST CHIPR MAX0R05 4A 1/4W FENGHUA FB902 061G12060004JY RST CHIPR MAX0R05 4A 1/4W YAGEO R832 061G1206100 JF RST CHIPR 10 OHM +-5% 1/4W FENGHUA R829 061G1206100 JF RST CHIPR 10 OHM +-5% 1/4W FENGHUA R910 061G1206100 JF RST CHIPR 10 OHM +-5% 1/4W FENGHUA...
  • Page 61 C930 065G080510432K CAP CHIP 0805 0.1UF K 50V X7R C931 065G080510432K CAP CHIP 0805 0.1UF K 50V X7R C907 065G080510432K CAP CHIP 0805 100N 50V X7R +/-10% C924 065G080510432K CAP CHIP 0805 100N 50V X7R +/-10% C930 065G080510432K CAP CHIP 0805 100N 50V X7R +/-10% C931 065G080510432K CAP CHIP 0805 100N 50V X7R +/-10%...
  • Page 62 J910 095G 90 23 JUMPER WIRE J911 095G 90 23 JUMPER WIRE J912 095G 90 23 JUMPER WIRE J913 095G 90 23 JUMPER WIRE J916 095G 90 23 JUMPER WIRE L906 095G 90 23 JUMPER WIRE J904 095G 90 23 JUMPER WIRE J801 095G 90 23...

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