AOC 2219P2 Service Manual
AOC 2219P2 Service Manual

AOC 2219P2 Service Manual

22" lcd color monitor

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22" LCD Color Monitor
Service
Service
Service
Description

Table Of Contents......................................................1

Revision List........................................................2
Important Safety Notice.....................................3
1.Monitor Specification...............................................4
2.LCD Monitor Description........................................6
3.Operation Instruction............................................7
3.1.General Instructions........................................7
3.2.Control Button......................................................7
3.3.OSD Menu.............................................................8
4.Input/Output Specification.......................................12
4.1.Input Signal Connector.........................................12
4.2.Power Supply Requirements...............................13
4.3.Factory Preset Display Modes................................13
4.4.Panel Specification...............................................14
5.Block Diagram.........................................................16
5.1.Software Flow Chart......................................16
5.2.Electrical Block Diagram...........................18
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.....................................................20
6.1.Main Board...................................................20
6.2.Power Board.............................................25
6.3.Audio Board.............................................27
6.4.Key Board......................................................28
7.PCB Layout.....................................................29
7.1.Main Board.................................................29
7.2.Power Board..........................................32
7.3.Audio Board..........................................34
7.4.Key Board....................................................35
8.Maintainability................................................36
8.2.Trouble Shooting..........................................37
10.Monitor Exploded View.................................45
11.BOM List...................................................46
12.Different Parts List..............................60
SAFETY NOTICE
1
AOC 2219P2
Horizontal Frequency
31-83 KHz
Page

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Summary of Contents for AOC 2219P2

  • Page 1: Table Of Contents

    22" LCD Color Monitor AOC 2219P2 Service Service Service Horizontal Frequency 31-83 KHz TABLE OF CONTENTS Description Page Description Page Table Of Contents..……......…..1 6.Schematic……………........20 Revision List.…........……..2 6.1.Main Board………..........20 Important Safety Notice.……....……..3 6.2.Power Board...……........25 6.3.Audio Board...……........27 1.Monitor Specification......………..4 6.4.Key Board...……..........28 2.LCD Monitor Description……………………………..6 3.Operation Instruction…………....……...7...
  • Page 2: Revision List

    22" LCD Color Monitor AOC 2219P2 Revision List Version Release Date Revision History TPV Model Name May.11, 2008 Initial release TC72MPDBW1A1DI TC72MPDTWKWRDQ July 28, 2008 Add new BOM TC72MPDLWKCKDQ...
  • Page 3: Important Safety Notice

    AOC 2219P2 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

    22" LCD Color Monitor AOC 2219P2 1. Monitor Specifications Model number 2219P2 Driving system TFT Color LCD Viewable Image 558mm diagoanl Size Pixel pitch 0.282mm(H) x 0.282mm(V) LCD Panel Video R, G, B Analog lnterface & Digital Interface Separate Sync.
  • Page 5 22" LCD Color Monitor AOC 2219P2 Weight (monitor 6.6 kg only) Weight (with 8.5 kg packaging) Temperature: Operating 0° to 40° Non-Operating -20°to 60° Humidity: Environmental Operating 10% to 85% (non-condensing) Non-Operating 5% to 80% (non-condensing) Altitude: Operating 0~ 3000m (0~ 10000 ft )
  • Page 6: Lcd Monitor Description

    22" LCD Color Monitor AOC 2219P2 2. LCD Monitor Description The LCD monitor will contain a main board, an audio board, a power board and a key board which house the flat panel control logic, brightness control logic and DDC.
  • Page 7: General Instructions

    22" LCD Color Monitor AOC 2219P2 3. Operating Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The other control buttons are located at the front of the panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences.
  • Page 8: Osd Menu

    22" LCD Color Monitor AOC 2219P2 3.3 OSD Menu OSD Function Introduction  Press the MENU-button to activate the OSD window. Press+ or - to navigate through the functions. Once the desired function is highlighted, press the  MENU-buttonto activate it.If the function selected has a sub-menu, press s+ or - again to navigate through the sub-menu functions.Once the desired function is highlighted, press MENU-button to activate it.
  • Page 9 22" LCD Color Monitor AOC 2219P2 Function Control Illustration Luminance Adjust Range Description Brightness 0-100 Backlight Adjustment Contrast from Contrast 0-100 Digital-register. Standard Mode Standard Text Mode Text Internet Mode Eco mode Internet Game Mode Game Movie Mode Movie Sports...
  • Page 10 22" LCD Color Monitor AOC 2219P2 Temperature from EEPROM. Recall Cool Color Cool 9300K Temperature from EEPROM. Recall SRGB Color sRGB Temperature from EEPROM. Red Gain from Digital-register Green Gain User Green Digital-register. Blue Gain from Blue Digital-register Color Boost...
  • Page 11 22" LCD Color Monitor AOC 2219P2 OSD Setup Adjust the verticalposition H.Position 0-100 of OSD Adjust the horizontal V.Position 0-100 position of OSD Timeout 5-120 Adjust the OSD Timeout Adjust the transparence of Transparence 0-100 Language Select the OSD language...
  • Page 12: Input/Output Specification

    22" LCD Color Monitor AOC 2219P2 4. Input/Output Specification 4.1 Input Signal Connector Analog connectors Pin No. Description Pin No. Description Red Video Green Video Ground Blue Video N.C. N.C. DDC-Serial Data H-Sync Detect Cable Red Ground V-Sync Green Ground...
  • Page 13: Power Supply Requirements

    22" LCD Color Monitor AOC 2219P2 4.2 Power Supply Requirements A/C Line voltage range : 90V ~ 240 V A/C Line frequency range : 50  3Hz, 60  3Hz Peak surge current : < 55A peak at 240 VAC and cold starting Leakage current : <...
  • Page 14: Panel Specification

    22" LCD Color Monitor AOC 2219P2 4.4 Panel Specification 4.4.1 General Features TPM220Z1-PS3 IS A 22” WIDE TFT LIQUID CRYSTAL DISPLAY MODULE WITH 4 CCFL BACKLIGHT UNIT AND 55PIN RSDS INTERFACE. THIS MODULE SUPPORTS 1680 X 1050 WSXGA+ MODE AND CAN DISPLAY 16.7 M COLORS.
  • Page 15 22" LCD Color Monitor AOC 2219P2 (2) Backlight 4.4.4 Optical Characteristics...
  • Page 16: Block Diagram

    22" LCD Color Monitor AOC 2219P2 5. Block Diagram 5.1 Software Flow Chat...
  • Page 17 22" LCD Color Monitor AOC 2219P2 1) MCU initialize. 2) Is the EPROM blank? 3) Program the EPROM by default values. 4) Get the PWM value of brightness from EPROM. 5) Is the power key pressed? 6) Clear all global flags.
  • Page 18: Electrical Block Diagram

    22" LCD Color Monitor AOC 2219P2 5.2 Electrical Block Diagram 5.2.1 Main Board Panel Interface (CN407) Scalar TSUMO5RCWHQ-LF EEPROM Keypad Interface (Include MCU, ADC, OSD) AF24BC16-SI (CN403) (U401) (U403) H sync D-Data V sync D-Clock Flash Memory Crystal PM25LV010A 14.31818MHZ...
  • Page 19 22" LCD Color Monitor AOC 2219P2 5.2.2 Inverter/Power Board AC input Bridge Rectifier Transformer Rectifier diodes EMI filter and Filter Start Circuit: R904, R932, R933 CN902 Feedback Circuit Control IC ON/OFF Output MOSFET Transformer Circuit ON/OFF Lamp Control Feedback Circuit...
  • Page 20: Schematic

    22" LCD Color Monitor AOC 2219P2 6. Schematic 6.1 Main Board 715G2670-1-2 TSUMO5RCWHQ SCHEMATIC WSXGA+/ UXGA RSDS OUTPUT GNDR GNDR GNDG GNDG GNDB GNDB HSY NC HSY NC VCC1.8 VCC3.3 VSY NC VSY NC DDCA_SDA DDCA_SDA DDCA_SCL DDCA_SCL DET_INPUT DET_INPUT...
  • Page 21 22" LCD Color Monitor AOC 2219P2 3,4,5 3,4,5 CN701 R701 D704 VCC3.3 SR24 U702 Adj_BACKLIGHT BL_ON AP1117E33LA VCC3.3 VOLUME AUDIO_MUTE C713 C712 C714 100uF/16V CONN 0.1uF/16V 0.1uF/16V C709 0.1uF/16V R702 5.1 OHM 2W VCC1.8 U701 VCC1.8 C701 C704 C703 100uF/16V 0.1uF/16V...
  • Page 22 22" LCD Color Monitor AOC 2219P2 CN405 FB410 0R05 1/10W 5% RED+ R434 56 OHM 1/16W C432 0.047uF RED- GREEN+ FB411 R435 56 OHM 1/16W C433 0.047uF GREEN- 0R05 1/10W 5% BLUE+ FB412 R436 56 OHM 1/16W C434 0.047uF BLUE-...
  • Page 23 22" LCD Color Monitor AOC 2219P2 VCC1.8 VDDC_1.8 FB 401 VCC1.8 AVDD_1.8 0R05 1/10W 5% AVDD_3.3 VDDC_1.8 VDDP_3.3 C403 C402 10uF /16V 0.1uF /16V C404 C405 C406 0.1uF/ 16V 0.1uF/16V 0.1uF/16V FB405 VCC1.8 120 OHM AVDD_1.8 VCC3.3 VCTRL VCC1.8 C416...
  • Page 24 22" LCD Color Monitor AOC 2219P2 CN407 PA[2..7] BR2N PA[2..7] BR2P FR0P BR1N FR0N BR1P VCM_PWM1 FR1P BR0N VCM_PWM FR1N BR0P FR2P BG2N FR2N BG2P STB1 BG1N PA[8..13] BG1P PA[8..13] BG0N FG0P BG0P FG0N BCKN POL1 PA10 FG1P BCKP PA11 FG1N...
  • Page 25: Power Board

    22" LCD Color Monitor AOC 2219P2 6.2 Power Board 715G2538-4 1/4W R918 F902 0R05 1/4W 1K 1/4W 1K 1/4W 1K 1/4W 1K 1/4W +12V 1/4W R919 L904 C912 1.1uH 0.001uF ZD902 1/4W R920 RLZ16B C917 C918 C922 680uF/25V 680uF/25V R929...
  • Page 26 22" LCD Color Monitor AOC 2219P2 T801 POWER X'FMR D805 R817 R821 CN801 R855 C839 BAW56 10K 1/10W 1K 1/10W 1% 1/4W 1500pF CONN F801 C819 0R05 1/4W 0.0022uF +12V C801 5pF/6KV C802 470uF/25V C824 R801 D801 3.6K 1/10W 0.1uF R856 1.5K 1/10W 1%...
  • Page 27: Audio Board

    22" LCD Color Monitor AOC 2219P2 6.3 Audio Board 715G2837-1-2 CN602 CN602 CN603 CN605 MUTE CN604 CONN R602 10K OHM C603 R601 C602 C604 0.47UF25V 0.47UF25V NC 100uF/16V U601 10K OHM EUA6021AIIT1 CN601 10K OHM R604 C601 0.47UF25V LIN+ LOUT+ C605 0.47UF25V...
  • Page 28: Key Board

    22" LCD Color Monitor AOC 2219P2 6.4 Key Board 715G2836-1 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...
  • Page 29: Pcb Layout

    22" LCD Color Monitor AOC 2219P2 7. PCB Layout 7.1 Main Board 715G2670-1-2...
  • Page 30 22" LCD Color Monitor AOC 2219P2...
  • Page 31 22" LCD Color Monitor AOC 2219P2...
  • Page 32: Power Board

    22" LCD Color Monitor AOC 2219P2 7.2 Power Board 715G2538-4...
  • Page 33 22" LCD Color Monitor AOC 2219P2...
  • Page 34: Audio Board

    22" LCD Color Monitor AOC 2219P2 7.3 Audio Board 715G2837-1-2...
  • Page 35 22" LCD Color Monitor AOC 2219P2...
  • Page 36: Key Board

    22" LCD Color Monitor AOC 2219P2 7.4 Key Board 715G2836-1...
  • Page 37: Maintainability

    22" LCD Color Monitor AOC 2219P2 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

    22" LCD Color Monitor AOC 2219P2 8.2 Trouble Shooting 8.2.1 Main Board (1). No Power No power Press power key and look if the picture is normal Please reinsert and make sure the AC of 100-240 is normal Reinsert or check the...
  • Page 39 22" LCD Color Monitor AOC 2219P2 (2). No Picture No picture Measure U701 PIN2=1.8V Measure U702 PIN2=3.3V Replace U701 or U702 X401 oscillate waveforms are normal Replace X401 Check if the sync signal from computer is output and video cable...
  • Page 40 22" LCD Color Monitor AOC 2219P2 (3). White screen White screen Measure Q411 base X401 oscillate waveform is normal is low level? Replace X401 Check Q411 and Q412 are broken or CN407 solder? Check reset circuit of U401 is normal...
  • Page 41 22" LCD Color Monitor AOC 2219P2 8.2.2 Power/Inverter Board 1.) No power Check CN902 pin4, 5 = 12V Check AC line volt 110V or 220V Check AC input Check the voltage of C905 (+) Check bridge rectified circuit and F901 circuit...
  • Page 42 22" LCD Color Monitor AOC 2219P2 2.) W / LED, No Backlight Check CN902 pin4, 5 = 12V Check adapter or MB Check ON/OFF signal Check Interface board Check IC801 PIN12=12V Change Q808 Check IC801 PIN10, 9 have the output of square wave at short Change IC801 Check Q802, Q803 PIN5, 6, 7, 8 have the output of square wave at short time.
  • Page 43 22" LCD Color Monitor AOC 2219P2 8.2.3 Key Board OSD is unstable or not working Is Key Pad Board connecting normally? Connect Key Pad Board Replace Button Switch Is Button Switch normally? Replace Key Pad Board Is Key Pad Board normally?
  • Page 44: White-Balance, Luminance Adjustment

    = 313 ±20, y = 329 ±20, Y= 200cd/m 3. Into Factory mode of AOC 2219P2: Press the MENU button, pull out the power cord, and then plug the power cord. Then the factory OSD will be at the left top of the panel.
  • Page 45 22" LCD Color Monitor AOC 2219P2 4. Adjust the RED on factory window until chroma 7120 indicator reached the value R=100 5. Adjust the GREEN on factory window until chroma 7120 indicator reachedthe value G=100 6. Adjust the BLUE on factory window until chroma 7120 indicator reached the value B=100 7.
  • Page 46: Monitor Exploded View

    22" LCD Color Monitor AOC 2219P2 10. Monitor Exploded View...
  • Page 47: Bom List

    22" LCD Color Monitor AOC 2219P2 11. BOM List TC72MPDBW1A1DI Location Part No. Description 001G6017 1 THUMB-SCREW 019G6034 1 STOPPER PIN 040G 581 26704 SHIPPING LABEL 040G 58162461A EPA LABEL 041G 68508 A CONTROL CARD 044G9003214 CORNER PAPER 044GH600 1...
  • Page 48 22" LCD Color Monitor AOC 2219P2 U601 056G 616 40 IC EUA6021AIIT1 2.5W*2 DIP-20 CN601 088G 30214K PHONE JACK 5PIN R601 061G 60210352T CFR 10KOHM +-5% 1/6W R602 061G 60210352T CFR 10KOHM +-5% 1/6W R603 061G 60210352T CFR 10KOHM +-5% 1/6W...
  • Page 49 22" LCD Color Monitor AOC 2219P2 U405 056G1133 34 M24C02-WMN6TP U402 056G1133 81(WA8M8TCMDQ4) SST25LF020A-33-4C-SAE U403 056G1133 89 IC AF24BC16-SI 16K SOIC-8 Q402 057G 417511 MMBT3904 Q406 057G 417511 MMBT3904 Q703 057G 417511 MMBT3904 Q401 057G 417512 MMBT3906 Q403 057G 417512...
  • Page 50 22" LCD Color Monitor AOC 2219P2 R452 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R431 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R426 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R425 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R424 061G0402103...
  • Page 51 22" LCD Color Monitor AOC 2219P2 R495 061G0402513 RST CHIP 51K 1/16W 5% R434 061G0402560 RST CHIP 56R 1/16W 5% R435 061G0402560 RST CHIP 56R 1/16W 5% R436 061G0402560 RST CHIP 56R 1/16W 5% R438 061G0402750 RST CHIPR 75 OHM +-5% 1/16W...
  • Page 52 22" LCD Color Monitor AOC 2219P2 C441 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C445 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C447 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C448 065G0402104 15 MLCC 0402 0.1UF K 16V X5R...
  • Page 53 22" LCD Color Monitor AOC 2219P2 D405 093G 6433P BAV99 D404 093G 6433P BAV99 D403 093G 6433P BAV99 D417 093G 6433P BAV99 D418 093G 6433P BAV99 D419 093G 6433P BAV99 D420 093G 6433P BAV99 D421 093G 6433P BAV99 D422 093G 6433P...
  • Page 54 22" LCD Color Monitor AOC 2219P2 J002 061G1206000 RST CHIPR 0 OHM +-5% 1/4W C001 065G0603151 32 CHIP 150PF 50V X7R C003 065G0603151 32 CHIP 150PF 50V X7R C004 065G0603151 32 CHIP 150PF 50V X7R C005 065G0603151 32 CHIP 150PF 50V X7R...
  • Page 55 22" LCD Color Monitor AOC 2219P2 BD901 093G 50460 28 BRIDGE DIODE KBP208G LITEON CN902 095G 825 9D 5 HARNESS 9P(SCN)-9P+6P 210MM 705G 193 57 01 Q901 ASS'Y 051G 200 1 OIL FOR DISAPPEAR Q901 057G 667 21 STP10NK70ZFP 090G6263 1...
  • Page 56 22" LCD Color Monitor AOC 2219P2 R942 061G0603100 1F RST CHIPR 1 KOHM +-1% 1/10W R926 061G0603100 2F RST CHIPR 10K OHM +-1% 1/10W R834 061G0603100 2F RST CHIPR 10K OHM +-1% 1/10W R833 061G0603100 2F RST CHIPR 10K OHM +-1% 1/10W...
  • Page 57 22" LCD Color Monitor AOC 2219P2 R938 061G0805103 RST CHIPR 10K OHM +-5% 1/8W R810 061G0805150 2F RST CHIPR 15 KOHM +-1% 1/8W R916 061G0805152 RST CHIPR 1.5 KOHM +-5% 1/8W R825 061G0805220 RST CHIPR 22 OHM +-1% 1/8W R829...
  • Page 58 22" LCD Color Monitor AOC 2219P2 R901 061G1206684 RST CHIPR 680K OHM +-5% 1/4W R902 061G1206684 RST CHIPR 680K OHM +-5% 1/4W R903 061G1206684 RST CHIPR 680K OHM +-5% 1/4W C842 065G0603103 12 CHIP 0.01UF 16V X7R C924 065G0603103 12 CHIP 0.01UF 16V X7R...
  • Page 59 22" LCD Color Monitor AOC 2219P2 D806 093G 6432S IN4148W D801 093G 6433P BAV99 D802 093G 6433P BAV99 D803 093G 6433P BAV99 D804 093G 6433P BAV99 ZD922 093G 39S 25 T RLZ5.1B LLDS ZD902 093G 39S 61 T DIODE RLZ16B ROHM...
  • Page 60 Q44G6000 149A EMPTY CARTON Q44G600271610A PAPER BOARD Q44GC041101 EPS(L) Q44GC041201 EPS(R) Q44GC041615 1A 22 LCD AOC CARTON Q44GSLIP10023A PLASTIC SLIPSHEET Q45G 88607 34 PE BAG FOR BASE Q45G 88609 72 EPE BAG FOR MONITOR Q52G 1185 65 AOC MIDDLE TAPE...
  • Page 61: Different Parts List

    22" LCD Color Monitor AOC 2219P2 12. Different Parts List Diversity of TC72MPDTWKWRDQ Compared with TC72MPDBW1A1DI Location Part No. for TPV Description 089G420A18N IS POWER CORD 32-D001922(SHARE WITH TPV) CBPC7MMPA1Q1 CONVERSION G2670-1-2-X-5-080516 Q07G 8 3 9 PALLET Q40G 22N61560A RATING LABEL Q44GC041615 3A 22"LCD AOC CARTON...

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