AOC 519Sw Service Manual
AOC 519Sw Service Manual

AOC 519Sw Service Manual

15" lcd color monitor
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15" 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........................................5
3. Operation Instructions..................................................6
3.1. General Instructions..................................................6
3.2. Control Button....................................................6
3.3 Adjusting the Picture............................................7
4. Input/Output Specification.......................................10
4.1. Input Signal Connector.........................................10
4.2. Factory Preset Display Modes...........................11
4.3. Panel Specification.........................................12
5. Block Diagram............................................................15
5.1 Software Flow Chart.........................................15
5.2.Electrical Block Diagram...............................17
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.............................................................19
6.1 Main Board..........................................................19
6.2 Power Board.................................................24
6.3 Key Board....................................................26
7. PCB Layout...........................................................27
7.1. Main Board.........................................................27
7.2. Power Board........................................................29
7.3. Key Board............................................................30
8. Maintainability........................................................31
8.1.Equipments and Tools Requirement......................31
8.2.Trouble Shooting.................................................32
10. Monitor Exploded View....................................40
11. BOM List...............................................................41
12.Different Parts List..........................................60
SAFETY NOTICE
R FOR TH
UNIT WHEN S
1
AOC 519Sw
Horizontal Frequency
36.5-75.75 kHz
Page

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Summary of Contents for AOC 519Sw

  • Page 1: Table Of Contents

    15" LCD Color Monitor AOC 519Sw Service Service Service Horizontal Frequency 36.5-75.75 kHz TABLE OF CONTENTS Description Page Description Page Table Of Contents…………………………………………...1 6. Schematic……………..........19 Revision List………………………………………………..2 6.1 Main Board..………..........19 Important Safety Notice.……......……..3 6.2 Power Board………………………………………..24 1. Monitor Specification......…………..4 6.3 Key Board…………………...….……………………26...
  • Page 2: Revision List

    15" LCD Color Monitor AOC 519Sw Revision List Version Date Revision History TPV Model Name T57ARDNQWJA17N Mar.-10-2008 Initial release, CKD model T57ARDNQWJA27N Mar.-16-2008 Add new model’s BOM T57ARDNPWJA5NN...
  • Page 3: Important Safety Notice

    AOC 519Sw 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

    15" LCD Color Monitor AOC 519Sw 1. Monitor Specification Driving system TFT Color LCD Viewable Image Size 381mm diagonal 0.2595mm(H) x 0.2595mm(V) LCD Panel Pixel pitch 74.5 MHz Dot Clock Display Colors 16.7M Colors Video R, G, B Analog Interface Separate Sync.
  • Page 5: Lcd Monitor Description

    15" LCD Color Monitor AOC 519Sw 2. LCD Monitor Description The LCD Monitor will contain main board, power board, key board which house the flat panel control logic, brightness control logic and DDC. The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage.
  • Page 6: Operation Instructions

    15" LCD Color Monitor AOC 519Sw 3. Operation Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The control buttons are located at front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences.
  • Page 7: Adjusting The Picture

    15" LCD Color Monitor AOC 519Sw 3.3 Adjusting the Picture OSD Settings 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 sub-menu .
  • Page 8 15" LCD Color Monitor AOC 519Sw OSD functions...
  • Page 9 15" LCD Color Monitor AOC 519Sw...
  • Page 10: Input/Output Specification

    15" LCD Color Monitor AOC 519Sw 4. Input/Output Specification 4.1 Input Signal Connector D-Sub mini 15pin Connector...
  • Page 11: Factory Preset Display Modes

    15" LCD Color Monitor AOC 519Sw 4.2 Factory 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 SVGA 800×600 @56Hz 35.156 56.250 SVGA 800×600 @60Hz 37.879 60.317 SVGA 800×600 @72Hz...
  • Page 12: Panel Specification

    15" LCD Color Monitor AOC 519Sw 4.3. Panel Specification 4.3.1 General Feature M150EW01 V0 is a Color Active Matrix Liquid Crystal Display composed of a TFT LCD panel, a driver circuit, and backlight system. The screen format is intended to support the WXGA (1280(H) x 720(V)) screen and 16.7M colors. All input signals...
  • Page 13 15" LCD Color Monitor AOC 519Sw 4.3.2 Optical Characteristics...
  • Page 14 15" LCD Color Monitor AOC 519Sw 4.3.3 Electrical Characteristics TFT Module Back-light...
  • Page 15: Block Diagram

    15" LCD Color Monitor AOC 519Sw 5. Block Diagram 5.1 Software Flow Chart...
  • Page 16 15" LCD Color Monitor AOC 519Sw REMARK: 1) MCU initialize. 2) Is the EEprom blank? 3) Program the EEprom by default values. 4) Get the PWM value of brightness from EEprom. 5) Is the power key pressed? 6) Clear all global flags.
  • Page 17: Electrical Block Diagram

    15" LCD Color Monitor AOC 519Sw 5.2 Electrical Block Diagram Main Board Panel Interface (CN601) Scalar RTD2025L MCU RTD2120L (Include ADC, OSD) (U401) (U501) H sync V sync EEPROM Crystal D-Sub Connector M24C16 24MHZ (CN301) (U403) (X401) (U1) (U9) (U1)
  • Page 18 15" LCD Color Monitor AOC 519Sw Power Board AC input Rectifier Bridge Transformer EMI filter Diodes Rectifier and Filter TO INVERTER Start Circuit R904, R932, R933 CN902 Feedback ON/OFF Control IC circuit MOSFET OSC and Q802 Output Convert Lamp Circuit...
  • Page 19: Schematic

    15" LCD Color Monitor AOC 519Sw 6. Schematic 6.1 Main Board MVCC CMVCC VCC3 U201 CN201 VOUT CMVCC AP1117E33LA CMVCC C205 CMVCC C203 BKLT-VBRI 100uF25V DIM# 0.1uF/16V BKLT-EN C_PANEL_INDEX PANEL_ID# Volume# Volume# Mute Mute C204 CONN 0.1uF/16V SOT-223 Panel ID(3.3V PWM)
  • Page 20 15" LCD Color Monitor AOC 519Sw DSUB_V R302 0R05 1/16W R301 100R 1/16W 5% RTD_H R303 100R 1/16W 5% RTD_V R304 R305 C302 C303 ZD302 ZD303 2K2 1/16W 5% FB302 C304 UDZSNP5.6B UDZSNP5.6B 2K2 1/16W 5% 22pF 22pF R306 100R 1/16W 5%...
  • Page 21 15" LCD Color Monitor AOC 519Sw DSUB_5V CMVCC CMVCC D401 C402 D402 BAV70 Reserve for powerBoard 1uF 10V MCU_VCC CMVCC=3V Q401 PMBS3904 MCU_VCC_S MCU_VCC C404 R402 C412 R405 R406 R407 1K 1/16W 5% R403 1uF 10V 0.22uF16V 3.9K OHM 1/16W...
  • Page 22 15" LCD Color Monitor AOC 519Sw VCC3 FB502 120OHM C503 0.1uF/16V U501 1.8AVCC R1.8DVCC Q501 VCC3 MMBT2907AK Q502 RXO1- LVDS_O0 RXO0- V1/REXT TXO1- LVDS_O[0..9] R507 3.3 OHM 2W FB503 C506 C507 C501 LVDS_O1 RXO0+ MMBT2907AK 120OHM C505 RXO1+ LVDS_O2 RXO1-...
  • Page 23 15" LCD Color Monitor AOC 519Sw LVDS Panel ( Normal Type ) LVDS_O[0..9] CONN LVDS_O0 RXO0- RXO0- RXO0+ LVDS_O1 RXO0+ RXO1- RXO1+ LVDS_O2 RXO1- RXO2- RXO2+ LVDS_O3 RXO1+ RXOC- RXOC+ LVDS_O4 RXO2- RXO3- RXO3+ LVDS_O5 RXO2+ RXE0- RXE0+ RXE1- RXE1+...
  • Page 24: Power Board

    15" LCD Color Monitor AOC 519Sw 6.2 Power Board...
  • Page 25 15" LCD Color Monitor AOC 519Sw...
  • Page 26: Key Board

    15" LCD Color Monitor AOC 519Sw 6.3 Key Board...
  • Page 27: Pcb Layout

    15" LCD Color Monitor AOC 519Sw 7. PCB Layout 7.1 Main Board...
  • Page 28 15" LCD Color Monitor AOC 519Sw...
  • Page 29: Power Board

    15" LCD Color Monitor AOC 519Sw 7.2 Power Board...
  • Page 30: Key Board

    15" LCD Color Monitor AOC 519Sw 7.3 Key Board...
  • Page 31: Maintainability

    15" LCD Color Monitor AOC 519Sw 8. Maintainability 8.1 Equipments and Tools Requirement 1. Multi-meter. 2. Oscilloscope. 3. Pattern Generator. 4. DDC Tool with and Compatible Computer. 5. Alignment Tool. 6. LCD Color Analyzer. 7. Service Manual. 8. User Manual.
  • Page 32: Trouble Shooting

    15" LCD Color Monitor AOC 519Sw 8.2 Trouble Shooting 8.2.1 Main Board 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 33 15" LCD Color Monitor AOC 519Sw No picture (LED orange) No picture The button if under control Replace the key button Measure CN201 PIN3, 4=5V, U201 PIN2=3.3V Replace CN201 or U201 X401 oscillate waveform is normal Replace X401 Measures U401, U403 are...
  • Page 34 15" LCD Color Monitor AOC 519Sw White screen White screen Measure Q602 base X401 oscillate waveform is normal is low level? Replace X401 Check Q601 is broken or Check reset circuit of CN601 solder? U401 is normal Check Correspondent Check Correspondent component.
  • Page 35 15" LCD Color Monitor AOC 519Sw 8.2.2 Power Board 1) No power Check L904 = 12V Check AC line volt 110V or 220V Check AC input Check the voltage of C907 (+) Check bridge rectified circuit and F901 circuit Check start voltage for the pin3 of IC901...
  • Page 36 15" LCD Color Monitor AOC 519Sw 2.) No Backlight Check the input voltage of 12V Check adapter and F801 Check ON/OFF signal Check Interface board or main board Check IC801 PIN12=12V Change on/off circuit Check IC801 PIN5 have triangle wave...
  • Page 37 15" LCD Color Monitor AOC 519Sw 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? Is Key Pad Board normally? Replace Key Pad Board...
  • Page 38: White-Balance, Luminance Adjustment

    = 313 ±30, y = 329 ±30, Y>140cd/m 3. Into Factory mode of AOC 519Sw: 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 39 15" LCD Color Monitor AOC 519Sw 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. Repeat above procedure (item 4, 5, 6) until chroma 7120 RGB value meet the tolerance =100± 2 C.
  • Page 40: Monitor Exploded View

    15" LCD Color Monitor AOC 519Sw 10. Monitor Exploded View...
  • Page 41: Bom List

    15" LCD Color Monitor AOC 519Sw 11. BOM List T57ARDNQWJA17N Location Part No. Description 007G 5 1 A compound pallet 007G 5 10 1 compound pallet 026G 800504 3 BARCODE LABEL 040G 154501 1 HI-POT GND LABEL 040G 581 26646...
  • Page 42 15" LCD Color Monitor AOC 519Sw Q40G000260811A Basic label Q41G7800615B55 SA Service center Q41G780A61558A Q44G 10 1 big carton for IC Q44G 10 2 corner paper for CKD Q45G 76 28CK2 PE BAG Q45G 88606CK2 pe bag for base Q45G 88607 28...
  • Page 43 15" LCD Color Monitor AOC 519Sw 051G 6 4503 GLUE_RTV IC902 056G 139 3A IC PC123Y22FZ0F NR901 061G 58080 WT 8 OHM NCT R908 061G152M10452T RST MOFR 100KOHM +-5% 2WS C908 063G 10722410S CAP 0.22UF 275VAC C904 063G 10722410S CAP 0.22UF 275VAC...
  • Page 44 15" LCD Color Monitor AOC 519Sw Q602 057G 417 6 PMBS3906/PHILIPS-SMT(06) Q205 057G 417 6 PMBS3906/PHILIPS-SMT(06) Q204 057G 417 6 PMBS3906/PHILIPS-SMT(06) Q502 057G 417 22 T TRA KN2907AS -60V/-0.6A SOT-23 Q501 057G 417 22 T TRA KN2907AS -60V/-0.6A SOT-23 Q601...
  • Page 45 15" LCD Color Monitor AOC 519Sw R208 061G0402121 RST CHIP 120R 1/16W 5% R207 061G0402121 RST CHIP 120R 1/16W 5% R201 061G0402201 RST CHIP 200R 1/16W 5% R414 061G0402202 RST CHIP 2K 1/16W 5% R413 061G0402202 RST CHIP 2K 1/16W 5%...
  • Page 46 15" LCD Color Monitor AOC 519Sw C410 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C501 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C503 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C506 065G0402104 15 MLCC 0402 0.1UF K 16V X5R...
  • Page 47 15" LCD Color Monitor AOC 519Sw R004 061G1206200 1F RST CHIPR 2.0 KOHM +-1% 1/4W R002 061G1206200 1F RST CHIPR 2.0 KOHM +-1% 1/4W 715G2835 1 KEY BOARD PCB Q901 057G 724 11 STP9NK65ZFP 0M1G1730 8120 SCREW Q90G6263 3 HEAT SINK...
  • Page 48 15" LCD Color Monitor AOC 519Sw R927 061G0603360 1F RST CHIPR 3.6K OHM +-1% 1/10W R851 061G0603680 1F RST CHIPR 6.8 KOHM +-1% 1/10W R841 061G0603680 2F RST CHIPR 68K OHM +-1% 1/10W R853 061G0603683 RST CHIPR 68K OHM +-5% 1/10W...
  • Page 49 15" LCD Color Monitor AOC 519Sw R909 061G1206519 RST CHIPR 5.1 OHM +-5% 1/4W R900 061G1206684 RST CHIPR 680K OHM +-5% 1/4W R901 061G1206684 RST CHIPR 680K OHM +-5% 1/4W R902 061G1206684 RST CHIPR 680K OHM +-5% 1/4W C932 065G0603102 32...
  • Page 50 15" LCD Color Monitor AOC 519Sw D915 093G 64S522SEM LL4148 D916 093G 64S522SEM LL4148 Q802 057G 600 55 P5506 HVG SO-8 CN901 006G 31500 EYELET IC903 056G 158 10 T IC AZ431AZ-AE1 TO-92 BY AAC R946 061G152M15152T RST MOFR 150 OHM +-5% 2WS...
  • Page 51 15" LCD Color Monitor AOC 519Sw Q37G0067011 HINGE E750 750GLU50W0112N PAENL M150EW01 V000 SZ AUO AM1G1740 12 47 CR3 SCREW CBPC7ARDA5Q1 MAIN BOARD G2498-B-4-X-1-080102 040G 45762412B CBPC LABEL CN202 033G3802 6 WAFER CN201 033G3802 9 WAFER 9P RIGHT ANELE PITCH...
  • Page 52 15" LCD Color Monitor AOC 519Sw R435 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R434 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R433 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R432 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R430 061G0402101...
  • Page 53 15" LCD Color Monitor AOC 519Sw R411 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R407 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R406 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R405 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R202 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W...
  • Page 54 15" LCD Color Monitor AOC 519Sw C306 065G0402473 12 CHIP 0.047UF 16V X7R C304 065G0402473 12 CHIP 0.047UF 16V X7R C301 065G0402473 12 CHIP 0.047UF 16V X7R C305 065G0402509 31 CHIP 5PF 50V NPO C308 065G0402509 31 CHIP 5PF 50V NPO...
  • Page 55 15" LCD Color Monitor AOC 519Sw 051G 6 4503 GLUE_RTV IC902 056G 139 3A IC PC123Y22FZ0F NR901 061G 58080 WT 8 OHM NCT R908 061G152M10452T RST MOFR 100KOHM +-5% 2WS C904 063G 10722410S CAP 0.22UF 275VAC C908 063G 10722410S CAP 0.22UF 275VAC...
  • Page 56 15" LCD Color Monitor AOC 519Sw Q809 057G 759 2 RK7002 Q808 057G 760 4B PDTA144WK SOT346 Q805 057G 760 5B PDTC144WK SOT346 R823 061G0603000 RST CHIPR 0 OHM +-5% 1/10W R818 061G0603100 1F RST CHIPR 1 KOHM +-1% 1/10W...
  • Page 57 15" LCD Color Monitor AOC 519Sw R829 061G0805220 RST CHIPR 22 OHM +-1% 1/8W R839 061G0805220 RST CHIPR 22 OHM +-1% 1/8W R850 061G0805220 RST CHIPR 22 OHM +-1% 1/8W R943 061G0805471 RST CHIPR 470 OHM +-5% 1/8W R837 061G0805473...
  • Page 58 15" LCD Color Monitor AOC 519Sw C931 065G0805104 32 CAP CHIP 0805 0.1UF K 50V X7R C822 065G0805105 22 CAP CHIP 0805 1UF K 25V X7R C839 065G0805152 31 1.5NF/50V C838 065G0805152 31 1.5NF/50V C820 065G080522131G CAP CHIP 0805 220PF G 50V NPO...
  • Page 59 Q45G 88606 R PE BAG FOR BASE Q45G 88607 28 PE BAG FOR CLAMP/STAND Q45G 88CKD 2 PE BAG FOR MONITOR Q52G 1185 66 BIG TAPE FOR AOC CARTON Q52G6020 81 PROTECT FILM 041G780061513B INPUT NOT SUPPORT CARD 041G780061518B EASE PROGRAM 041G780061545B...
  • Page 60: Different Parts List

    15" LCD Color Monitor AOC 519Sw 12. Different Parts List Diversity of T57ARDNQWJA27N compared with T57ARDNQWJA17N Location Part No. Description Q40G 15N61548A RATING LABEL Q41G780A61566A WARRANTY CARD...

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