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15" LCD Color Monitor
Service
Service
Service
Table Of Contents......................................................1
Revision List........................................................2
1. Monitor Specification...............................................3
2. LCD Monitor Description........................................4
3. Operation Instruction............................................5
3.1. General Instructions.........................................5
3.2. Control Button......................................................5
3.3 Adjusting the Picture..........................................6
4. Input/Output Specification.......................................9
4.1. Input Signal Connector.........................................9
4.2. Factory Preset Display Modes...........................9
5. Panel Specification.........................................10
5.1. General Feature...............................................10
5.2. Optical Characteristics....................................10
5.3 Electrical Characteristics..............................11
6. Block Diagram.....................................................12
6.1 Software Flow Chart.......................................12
6.2.Electrical Block Diagram...........................14
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
7. Schematic.....................................................16
7.1 Main Board....................................................16
7.2 Power Board...............................................21
8.PCB Layout...............................................23
8.1. Main Board.................................................23
8.2. Power Board..........................................25
8.3. Key Board...............................................26
9. Maintainability................................................27
9.1. Equipments and Tools Requirement..............27
9.2. Trouble Shooting.......................................28
9.2.1 Main Board..........................................28
9.2.2 Power Board.......................................31
9.2.3 Key Board..........................................33
11. Monitor Exploded View.....................................35
12. BOM List.....................................................36
13. Different Parts List..............................................45
SAFETY NOTICE
1
AOC 519Sw
Horizontal Frequency
30- 80 kHz
Page
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Summary of Contents for AOC 519Sw
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Page 1: Table Of Contents
15" LCD Color Monitor AOC 519Sw Service Service Service Horizontal Frequency 30- 80 kHz Table Of Contents Description Page Description Page Table Of Contents..……......…..1 7. Schematic……………........16 Revision List.…........……..2 7.1 Main Board..………........16 1. Monitor Specification......………..3 7.2 Power Board.….……........21 2. LCD Monitor Description……………………………..4 8.PCB Layout..……........23... -
Page 2: Revision List
15" LCD Color Monitor AOC 519Sw Revision List Revision Date Revision History TPV Model Oct.-27-2008 First Version Release T58ARDNCWJA2NNE Dec.-08-2008 Add New Model In Item 13 T58ARDNCWJA13NE Jan.-20-09 Add New Model In Item 13 T58ARDNCWJA4NNE Feb.-04-09 Add New Model In Item 13... -
Page 3: Monitor Specification
15" LCD Color Monitor AOC 519Sw 1. Monitor Specification Driving system TFT Color LCD LCD Panel Size 381mm Pixel pitch 0.2595mm( H )x 0.2595mm( V ) Video R,G,B Analog Interface Input Separate Sync. H/V TTL H-Frequency 30kHz – 60kHz V-Frequency... -
Page 4: Lcd Monitor Description
15" LCD Color Monitor AOC 519Sw 2. LCD Monitor Description The LCD MONITOR will contain a main board, a power board, a key board and an audio board which house the flat panel control logic, brightness control logic and DDC. -
Page 5: Operation Instruction
15" LCD Color Monitor AOC 519Sw 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 panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences. -
Page 6: Adjusting The Picture
15" LCD Color Monitor AOC 519Sw 3.3 Adjusting The Pictures 1. Press the MENU-button to activate the OSD window. 2. Press to navigate through the functions. Once the desired function is highlighted, press the MENU-button to activate it. If the function selected has a sub-menu, press again to navigate through the sub-menu Functions. - Page 7 15" LCD Color Monitor AOC 519Sw Sports Mode Sports Gamma1 Adjust to Gamma1 Gamma Gamma2 Adjust to Gamma 2 Gamma3 Adjust to Gamma 3 Disable dynamic contrast ratio Enable dynamic contrast ratio Image Setup Clock 0-100 Adjust picture Clock to reduce Vertical-Line noise.
- Page 8 15" LCD Color Monitor AOC 519Sw Bright Frame on or off Disable or Enable Bright Frame OSD Setup H.Position 0-100 Adjust the horizontal position of OSD V.Position 0-100 Adjust the vertical position of OSD Timeout 5-120 Adjust the OSD Timeout...
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Page 9: Input/Output Specification
15" LCD Color Monitor AOC 519Sw 4. Input/Output Specification 4.1 Input Signal Connector Pin No. Description Pin No. Description Green Ground Blue Monitor Ground Monitor Ground VGA-CON H-Sync R-Ground V-Sync G-Ground DDC-Serial Clock B-Ground VGA Connector layout 4.2 Factory Preset Display Modes... -
Page 10: Panel Specification
15" LCD Color Monitor AOC 519Sw 5. Panel Specification 5.1 General Characteristics 5.2 Optical Characteristics The optical characteristics are measured under stable conditions at 25 (Room Temperature) ℃ :... -
Page 11: Electrical Characteristics
15" LCD Color Monitor AOC 519Sw 5.3 Electrical Characteristics TFT LCD Module Backlight Unit... -
Page 12: Block Diagram
15" LCD Color Monitor AOC 519Sw 6. Block Diagram 6. 1 Software Flow Chart... - Page 13 15" LCD Color Monitor AOC 519Sw 1) MCU initializes. 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.
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Page 14: Electrical Block Diagram
15" LCD Color Monitor AOC 519Sw 6.2 Electrical Block Diagram 6.2.1 Main Board Crystal (24 MHz) LCD interface (X401) (CN601) MCU RTD2120L-LF Scalar RTD2025L (U401) (Include ADC, OSD) (U501) H sync V sync EEPROM D-Sub M24C16 Connector (U403) (CN301) EEPROM... - Page 15 15" LCD Color Monitor AOC 519Sw 6.2.2 Power Board Bridge Rectifier AC input Transformer Rectifier diodes EMI filter and Filter Start Circuit: R906、R907 CN902 Feedback Over Voltage Control IC Circuit Protect ON/OFF Output MOSFET Transformer Q203、Q204 Circuit Lamp Feedback ON/OFF Control...
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Page 16: Schematic
15" LCD Color Monitor AOC 519Sw 7. Schematic 7.1 Main Board CN201 CMVCC CMVCC MVCC FB202 CMVCC BKLT-VBRI DIM# BKLT-EN C_PANEL_INDEX CMVCC PANEL_ID# Volume# FB201 VCC3 Volume# U201 Mute Mute VOUT 120 CONN C202 C204 AP1117E33LA C205 C203 100uF/25V 100uF/25V '07-01-10 change to Elite 0.1uF/16V... - Page 17 15" LCD Color Monitor AOC 519Sw DSUB_V R302 0R05 1/16W R301 100R 1/16W RTD_H R303 100R 1/16W RTD_V R304 R305 C302 C303 ZD302 ZD303 2.2K 1/16W FB302 C304 UDZS5.6B UDZS5.6B 2.2K 1/16W 22pF 22pF R306 100R 1/16W VGA_B+...
- Page 18 15" LCD Color Monitor AOC 519Sw DSUB_5V CMVCC '06-11-24 D402 change CMVCC Value from BAT54 to D401 BAV70 C402 D402 BAT54C(NC) BAV70 Reserve for powerBoard 1uF 10V MCU_VCC Q401 CMVCC=3V PMBS3904 MCU_VCC_S MCU_VCC C404 R402 C412 R405 R406 R407 1K 1/16W...
- Page 19 15" LCD Color Monitor AOC 519Sw VCC3 FB502 120 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 FB503 C506 C507 C501 LVDS_O1 RXO0+ MMBT2907AK 120 C505 RXO1+ LVDS_O2 RXO1- V2/RX1P TXO1+ 0.1uF/16V...
- Page 20 15" LCD Color Monitor AOC 519Sw LVDS Panel ( Normal Type ) CN601 LVDS_O[0..9] 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+...
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Page 21: Power Board
15" LCD Color Monitor AOC 519Sw 7.2 Power Board R918 100 OHM 1/4W L904 R919 +12V 1.0uH 100 OHM 1/4W C912 ZD902 0.001uF C930 RLZ13B R920 C922 R946 100 OHM 1/4W 470UF/25V 150 OHM 2W 0.1uF C917 C918 680uF/25V 680uF/25V... - Page 22 15" LCD Color Monitor AOC 519Sw CONN C839 T801 R821 1500PF/50V POWER X'FMR R817 1K 1/8W 10K 1/10W 1% CN801 R855 D805 15R 1/4W LL4148 C819 C801 F801 0.0022uF 30pF/3KV +12V 0 OHM 1/4W C802 R804 Q801 470UF/25V C824 R856...
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Page 23: Pcb Layout
15" LCD Color Monitor AOC 519Sw 8. PCB Layout 8.1 Main Board... - Page 24 15" LCD Color Monitor AOC 519Sw...
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Page 25: Power Board
15" LCD Color Monitor AOC 519Sw 8.2 Power Board... -
Page 26: Key Board
15" LCD Color Monitor AOC 519Sw 8.3 Key Board... -
Page 27: Maintainability
15" LCD Color Monitor AOC 519Sw 9. Maintainability 9.1 Equipment and Tools Requirement Voltmeter. Oscilloscope. Pattern Generator. DDC Tool with an IBM Compatible Computer. Alignment Tool. LCD Color Analyzer. Service Manual. 8. User Manual. -
Page 28: Trouble Shooting
15" LCD Color Monitor AOC 519Sw 9.2 Trouble Shooting 9.2.1 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 29 15" LCD Color Monitor AOC 519Sw No Picture (LED orange) No picture The button if under X401 oscillate Replace X401 control waveform is normal Check Correspondent Check reset circuit of component U401 is normal Measure U201 PIN2=2.5V Replace U401 X401 oscillate...
- Page 30 15" LCD Color Monitor AOC 519Sw White Screen White screen Measure R604 base X401 oscillate waveform is normal is high level? Replace X401 Check Q601, Q602 are Check reset circuit of broken or CN601 solder? U401 is normal Check Correspondent Check Correspondent component.
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Page 31: Power Board
15" LCD Color Monitor AOC 519Sw 9.2.2 Power Board Check to CN902 pin12 = 12V Check Interface board Check AC line volt 120V or 220V Check the voltage of C907(+) Change F901; check BD901, C903, and IC901 Check start voltage for the pin3 of IC901... - Page 32 15" LCD Color Monitor AOC 519Sw 2.) W / LED, No Backlight Check CN902 pin12 =12V Check adapter or MB Check ON/OFF signal Check Interface board Check IC801 pin9=12V Change Q801 or Q802 Check the pin1 of IC801 have saw tooth wave Change IC801 Check D801,D802 have the output of square wave at short time.
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Page 33: Key Board
15" LCD Color Monitor AOC 519Sw 9.2.3 Key Board OSD is unstable or not working Is Keypad Board connecting normally Connect Keypad Board Is Button Switch normally Replace Button Switch Is Keypad Board Normally? Replace Keypad Board Check Main Board... -
Page 34: White-Balance, Luminance Adjustment
6500 color temp. parameter is x = 313±20, y = 329 ±20, Y =180 cd/m 3. Into factory mode of 519Sw Turn on power, 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 35: Monitor Exploded View
15" LCD Color Monitor AOC 519Sw 11. Monitor Exploded View DESCRIPTION PART NO. DESCRIPTION PART NO. KEY PAD Q33G0170 REAR COVER Q34G0319 BEZEL Q34G0318 STAND TOP Q34G0266 PANEL STAND Q34G0267 MAIN FRAME Q15G028 BASE Q34G0268... -
Page 36: Bom List
15" LCD Color Monitor AOC 519Sw 12. BOM List T58ARDNCWJA2NNE Location Part No. Description 026G 800504 3 BARCODE LABEL FOR 4 040G 58162435A P/N LABEL FOR MANUAL PE BAG 040G 58162461A EPA LABEL 045G 77 3 PE PACKING 050G 600 2... - Page 37 15" LCD Color Monitor AOC 519Sw Q45G 88606 14 PE BAG Q52G6020137 protect film AM1G1740 12 47 CR3 SCREW Q34G0266ABJ 1B0100 STAND TOP Q34G0267ABJ 1B0120 STAND Q34G0268ABJ 1B0130 base 8s1 Q37G0067011 HINGE CN202 033G3802 6B Y WAFER CN201 033G3802 9B Y...
- Page 38 15" LCD Color Monitor AOC 519Sw R430 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R432 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R433 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R434 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R435 061G0402101...
- Page 39 15" LCD Color Monitor AOC 519Sw R451 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R412 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W 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...
- Page 40 15" LCD Color Monitor AOC 519Sw C309 065G0402473 12 CHIP 0.047uF 16V X7R C307 065G0402473 12 CHIP 0.047uF 16V X7R C306 065G0402473 12 CHIP 0.047uF 16V X7R C304 065G0402473 12 CHIP 0.047uF 16V X7R C301 065G0402473 12 CHIP 0.047uF 16V X7R...
- Page 41 15" LCD Color Monitor AOC 519Sw C803 065G 3J3006ET 30PF 5% SL 3KV TDK C901 065G305M1022BP Y2 1000PF M 250VAC Y5P C902 065G305M1022BP Y2 1000PF M 250VAC Y5P C900 065G306M3322BP 3300PF 20% C907 067G 40Z10115K CAP 105℃ 100UF M 450V...
- Page 42 15" LCD Color Monitor AOC 519Sw Q812 057G 417 6 PMBS3906/PHILIPS-SMT(06) Q809 057G 759 2 RK7002 Q808 057G 760 4B PDTA144WK SOT346 Q805 057G 760 5B PDTC144WK SOT346 Q802 057G 763 6 AO4828L R823 061G0603000 RST CHIP MAX 0R05 1/10W...
- Page 43 15" LCD Color Monitor AOC 519Sw R924 061G0805151 RST CHIPR 150 OHM +-5% 1/8W R825 061G0805220 RST CHIPR 22 OHM +-5% 1/8W R829 061G0805220 RST CHIPR 22 OHM +-5% 1/8W R850 061G0805220 RST CHIPR 22 OHM +-5% 1/8W R839 061G0805220...
- Page 44 15" LCD Color Monitor AOC 519Sw C924 065G0805104 32 CAP CHIP 0805 0.1uF K 50V X7R C930 065G0805104 32 CAP CHIP 0805 0.1uF K 50V X7R C931 065G0805104 32 CAP CHIP 0805 0.1uF K 50V X7R C822 065G0805105 22 CAP CHIP 0805 1uF K 25V X7R...
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Page 45: Different Parts List
H70G2008615 5B CD MANUAL Q34G0318ABJA1B0130 BEZEL(L15W-8Q1A) Q34G0319ABJA2B0100 REAR COVER15" Q40G000260811A Basic label Q52G 1185 99 BIG CARTON TAPE FOR AOC Diversity of T58ARDNCWJA1NNE compared with T58ARDNCWJA2NNE Location Part No. Description 050G 600 4 Handle 1 E08902 089G 715HAA D2 SIGNAL CABLE... - Page 46 15" LCD Color Monitor AOC 519Sw Q34G0318ABJA1B0130 BEZEL(L15W-8Q1A) Q34G0319ABJA2B0100 REAR COVER15" Q40G000260811A Basic label Q52G 1185 98 MIDDLE CARTON TAPE FOR AOC Q52G 1185 99 BIG CARTON TAPE FOR AOC...
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