Table of Contents
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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 Instruction............................................6
3.1 General Instructions.........................................6
3.2 Control Button......................................................6
3.3 Adjusting the Picture..........................................7
4. Input/Output Specification.......................................8
4.1 Input Signal Connector.........................................8
4.2 Factory Preset Display Modes......................................9
4.3 Power Supply.......................................................9
N
4.4 Panel Specification.................................................9
5. Block Diagram.....................................................11
5.1 Software Flow Chart.... .......................................11
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
5.2 Electrical Block Diagram.....................................13
6. Schematic.............................................................15
6.1 Main Board............................................................15
6.2 Inverter Board.......................................................21
6.3 Adapter Board......................................................22
7. PCB Layout............................................................23
7.1 Main Board............................................................23
7.2 Adapter Board........................................................24
7.3 Key Board.............................................................26
7.4 Inverter Board.......................................................26
8. Maintainability.......................................................26
8.1 Equipments and Tools Requirement.......................26
8.2 Trouble Shooting...................................................27
9. White-Balance, Luminance adjustment......................32
10. Monitor Exploded View........................................34
11. BOM List.................................................................35
SAFETY NOTICE
1
AOC 511Vwb
Horizontal Frequency
30kHz - 60kHz
Page
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Summary of Contents for AOC 511Vwb
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Page 1: Table Of Contents
15” LCD Color Monitor AOC 511Vwb Service Service Service Horizontal Frequency 30kHz – 60kHz TABLE OF CONTENTS Description Page Description Page Table Of Contents..……..……......…..1 5.2 Electrical Block Diagram….………………..….….13 Revision List.….....……......……..2 6. Schematic……………...........…15 Important Safety Notice.…………....……..3 6.1 Main Board.……...……..........15 1. Monitor Specification......………..4 6.2 Inverter Board..………..……........21... -
Page 2: Revision List
15” LCD Color Monitor AOC 511Vwb Revision List Revision Date Revision History TPV Model Feb-28-07 Initial Release T56CRXNQWYACNJ... -
Page 3: Important Safety Notice
AOC 511Vwb 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 511Vwb 1. Monitor Specifications Model number 511Vwb Driving system TFT Color LCD Size 15.4” 16:10 Pixel pitch 0.258mm( H ) × 0.258mm( V ) LCD Panel Video R,G,B Analog Interface Separate Sync. H/V TTL Display Color... -
Page 5: Lcd Monitor Description
15” LCD Color Monitor AOC 511Vwb 2. LCD Monitor Description The LCD MONITOR will contain a main board, an inverter board, a keypad board and internal adapter which house the flat panel control logic, brightness control logic and DDC. The Inverter board will drive the backlight of panel and the DC-DC conversion. -
Page 6: Operation Instruction
15” LCD Color Monitor AOC 511Vwb 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 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 511Vwb 3.3 Adjusting the Picture 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. If the function selected has a sub-menu, press or again to navigate through the sub-menu functions. -
Page 8: Input/Output Specification
15” LCD Color Monitor AOC 511Vwb User-G Green Gain Digital-register. User-R Red Gain from Digital-register User-Y Yellow Gain from Digital-register User-C Cyan Gain from Digital-register User-M Magenta Gain from Digital-register Color Boost Full Enhance on or off Disable or Enable Full Enhance Mode... -
Page 9: Factory Preset Display Modes
15” LCD Color Monitor AOC 511Vwb 4.2 Factory Preset Display Modes Standard Resolution Horizontal Frequency (kHz) Vertical Frequency(Hz) 640 x 480 31.47kHz 60. 0Hz 800 x 600 35.156 kHz 56. 0Hz SVGA 800 x 600 37.879 kHz 60. 0Hz 1024 x 768 48.363 kHz... - Page 10 15” LCD Color Monitor AOC 511Vwb 4.4.2 Optical Characteristics 4.4.3 Parameter guide line for CCFL Inverter TFT LCD Module: Back Light Unit:...
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Page 11: Block Diagram
15” LCD Color Monitor AOC 511Vwb 5. Block Diagram 5.1 Software Flow Chart... - Page 12 15” LCD Color Monitor AOC 511Vwb 1) MCU initializes. 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.
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Page 13: Electrical Block Diagram
15” LCD Color Monitor AOC 511Vwb 5.2 Electrical Block Diagram 5.2.1 Main Board... - Page 14 15” LCD Color Monitor AOC 511Vwb 5.2.2 Inverter/Adapter AC input Bridge Rectifier Rectifier Transformer diodes and Filter DC 12V OUTPUT Start Circuit: R908, R909, R910 Feedback MOSFET Over Circuit Q901 Voltage Control IC Protect CN802 Output Control IC（IC801） PWM MOSFE Drive...
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Page 15: Schematic
15” LCD Color Monitor AOC 511Vwb 6. Schematic 6.1 Main Board CN501 +12V L501 +12V U501 SI-8050SD +VIN VOUT L502 BEAD 150uH R501 0R05 1/10W C501 C502 100uF25V 100uF25V D503 CONN C522 C503 C505 C506 0.1uF 0.1uF C507 0.1uF/16V 220uF/10V... - Page 16 15” LCD Color Monitor AOC 511Vwb PC5V CN201 C216 0.1uF/16V PC5V SCL_VGA 30 OHM BLUE+ FB201 R204 C204 RTD_B+ 0.047uF 30 OHM 100R 1/10W GREEN+ FB202 R205 C205 RTD_G+ 0.047uF 30 OHM 100R 1/10W RED+ FB203 R206 C206 RTD_R+ 0.047uF...
- Page 17 15” LCD Color Monitor AOC 511Vwb MCU_VCC MCU_VCC MCU_VCC PC5V D101 D102 MAX810STR MCU_VCC Q101 PMBS3906 C101 C106 R128 R129 R130 10uF/16V 0.22uF LL4148 LL4148 4K7 1/10W 4K7 1/10W 4K7 1/10W U102 U103 R101 RESET 4K7 1/10W VCC3.3 R131 100R 1/10W...
- Page 18 15” LCD Color Monitor AOC 511Vwb RTD_B+ RTD_B+ RTD_B- RTD_B- RTD_G+ RTD_G+ RTD_G- RTD_G- RTD_R+ RTD_R+ RTD_R- U401 RTD_R- RTD_H RTD_H RTD_V RTD_V CRYSTAR_OUT CRYSTAR_OUT RXO1- V1/REXT TXO1- RTD_SD3/SDI RTD_SD3/SDI RTD_SCLK RXO1+ RTD_SCLK V2/RX1P TXO1+ RXO2- V3/RX1N TXO2- R401 NC/0R05 1/10W...
- Page 19 15” LCD Color Monitor AOC 511Vwb LED_G LED_O R405 100R 1/10W AUTO ENTER R408 100R 1/10W KEY _ENTER KEY _AUTO R406 100R 1/10W RIGHT LEFT R409 100R 1/10W KEY _LEFT KEY _RIGHT R407 100R 1/10W POWER KEY _POWER CONN POWER...
- Page 20 15” LCD Color Monitor AOC 511Vwb CONN RXO0- RXO0- RXO0+ RXOC+/RXEC+ RXO0+ RXO1- RXOC-/RXEC- RXO1- RXO1+ RXO1+ RXO2- RXE2+ RXO2- RXO2+ RXE2- RXO2+ RXOC-/RXEC- RXE1+ RXOC-/RXEC- RXOC+/RXEC+ RXE1- RXOC+/RXEC+ RXE0+ RXE0- RXE0- RXE0- RXE0+ RXE0+ RXOC+/RXEC+ RXOC-/RXEC- RXE1- VLCD RXE1-...
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Page 21: Inverter Board
65G0603104 22 0.47uF/25V C807 065G0603474 27 0.01uF/16V C808 0.01uF/16V 65G0603103 22 65G0603103 22 <PART ID> AOC (Top Victory) Electronics Co., Ltd. is power GND is signal GND Title inverter Size Document Number G2297-B-X-X-1-060915 Date: Friday , September 15, 2006 Sheet... -
Page 22: Adapter Board
15” LCD Color Monitor AOC 511Vwb 6.3 Adapter Board F901 84L53-1 2A,250V R931 R932 C920 R933 LED1 680PF,500V NR901 2A/250V (1206) (1206) R901 BD901 T901 (1206) 61L58-080-WT C902 93L50-460-8 2KBP06M 80l600-3-L 81L2-3-2 8 ohm 1000 (1206) L902 L901 73L253-91-L D911... -
Page 23: Pcb Layout
15” LCD Color Monitor AOC 511Vwb 7. PCB Layout 7.1 Main Board... -
Page 24: Adapter Board
15” LCD Color Monitor AOC 511Vwb 7.2 Adapter Board 715G901-1-12... - Page 25 15” LCD Color Monitor AOC 511Vwb...
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Page 26: Key Board
15” LCD Color Monitor AOC 511Vwb 7.3 Key Board 715G2416-C 7.4 Inverter Board 715G2297-1 715G2297-1 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. -
Page 27: Trouble Shooting
15” LCD Color Monitor AOC 511Vwb 8.2 Trouble Shooting 8.2.1 MAIN BOARD NO SCREEN APPEAR Measured CN501 pin1、2、3 = 12 V? Measured U501 pin 2= 5V? Check Correspondent component. Measured U503 pin 2= 3.3V? Is there any shortage or cold solder? Yes .there have OSD show... - Page 28 15” LCD Color Monitor AOC 511Vwb 2.PANEL POWER CIRCUIT Check R505 should have response from 0V to 5V When we switch the power switch from on to off Replace Q505 Check Q503, Q504 is broken or CN402 NG , no transition...
- Page 29 15” LCD Color Monitor AOC 511Vwb 8.2.1 Power/Inverter Board 1) No power Check 12V Check AC line volt 110V or 220V Check AC input Check the voltage of C904 (+) Check bridge rectified circuit and F901 circuit Check start voltage for the pin7 of IC901...
- Page 30 15” LCD Color Monitor AOC 511Vwb 2.) No Backlight Check F801=12V Check adapter and F801 Check ON/OFF signal Check Interface board or main board Check IC801 PIN7、14=12V Change on/off circuit Check IC801 PIN13 have triangle wave Change U201 Check IC801 IC801 PIN8/PIN13 PWM wave Check Q802/Q803 Check C807、C813Drain wave...
- Page 31 15” LCD Color Monitor AOC 511Vwb 8.2.2 Keypad 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?
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Page 32: White-Balance, Luminance Adjustment
SRGB color temp. parameter is x = 313±30, y = 329±30, Y ≥180 cd/m 3. Into factory mode of AOC 511Vwb 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 33 15” LCD Color Monitor AOC 511Vwb C. Adjust 6500K color-temperature 1. Switch the chroma- C210 to RGB-Mode (with press “MODE” button) 2. Switch the MEM.channel to Channel 4(with up or down arrow on chroma C210) 3. The LCD-indicator on chroma C210 will show x = 313±30, y = 329 ±30, Y ≥170 cd/m 4.
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Page 34: Monitor Exploded View
15” LCD Color Monitor AOC 511Vwb 10. Monitor Exploded View... -
Page 35: Bom List
15” LCD Color Monitor AOC 511Vwb 11. BOM List T56CRXNQWYACNJ Location Part No. Description ADPC12350BEP LCD ADAPTER CBPC6CRXACJ2 MAIN BOARD IN1511FQ1SMTP INVERTER KEPC6JB1 KEPC BOARD 11G6054 1 PIN CONNECTOR 12G8021 1 RUBBER FOOT 26G 800504 6 BARCODE 40G 58162435A MANUAL P/N LABEL... - Page 36 15” LCD Color Monitor AOC 511Vwb J34G8B11EA6Z1L REAR COVER J34G8B12 9Y ZL BASE COVER J37G 003 1 HINGE J40G 100615 1A POP LABEL J40G 15T615 4A ID 511Vwb J40GVSTB757 1A VISTA BASIC LABEL J41G7801615 1A J44G1511 1 CONDUCTIVE FABRIC 45*25mm...
- Page 37 15” LCD Color Monitor AOC 511Vwb FB901 71G 55 19 T FERRITE BEAD L902 73G 253 91 S LOOP L901 73L 174 26T1G LOOP T901 80L 600 3 TF ADAPTE LED1 2 3 2J CN901 87G 501 10 AC SOCKET...
- Page 38 15” LCD Color Monitor AOC 511Vwb R918 61G0805133 RST CHIPR 13 KOHM +-5% 1 R919 61G0805200 2F RST CHIPR 20 KOHM +-1% 1 R914 61G0805204 RST CHIPR 200 KOHM +-5% R921 61G0805303 RST CHIP 30K 1/8W 5% R924 61G0805472 RST CHIP 4K7 1/8W 5%...
- Page 39 15” LCD Color Monitor AOC 511Vwb D905 93G 64S511SEM 1N4148W D906 93G 64S511SEM 1N4148W C904 6G 31502 1.5MM RIVET L901 6G 31502 1.5MM RIVET T901 6G 31502 1.5MM RIVET IC902 56G 158 4 T H431BA IC905 56G 158 4 T...
- Page 40 15” LCD Color Monitor AOC 511Vwb CN402 33G801930D H FPC CONN 2.00M 30P CN201 33G8027 14 H Wafer & plug C501 67G215M1014AV 100UF,25V C502 67G215M1014AV 100UF,25V C508 67G215M1014AV 100UF,25V C505 67G305M2212AV 220UF/10V C506 67G305M2212AV 220UF/10V C101 67G305S100 3H EC 10UF 16V 4*7mm SH SER...
- Page 41 15” LCD Color Monitor AOC 511Vwb R120 61G0603101 CHIPR 100OHM +-5% 1/10W R121 61G0603101 CHIPR 100OHM +-5% 1/10W R122 61G0603101 CHIPR 100OHM +-5% 1/10W R127 61G0603101 CHIPR 100OHM +-5% 1/10W R131 61G0603101 CHIPR 100OHM +-5% 1/10W R132 61G0603101 CHIPR 100OHM +-5% 1/10W...
- Page 42 15” LCD Color Monitor AOC 511Vwb R106 61G0603472 CHIP 4.7KOHM +-5% 1/10W R107 61G0603472 CHIP 4.7KOHM +-5% 1/10W R108 61G0603472 CHIP 4.7KOHM +-5% 1/10W R109 61G0603472 CHIP 4.7KOHM +-5% 1/10W R110 61G0603472 CHIP 4.7KOHM +-5% 1/10W R111 61G0603472 CHIP 4.7KOHM +-5% 1/10W...
- Page 43 15” LCD Color Monitor AOC 511Vwb C411 65G0603104 12 MLCC C412 65G0603104 12 MLCC C413 65G0603104 12 MLCC C414 65G0603104 12 MLCC C415 65G0603104 12 MLCC C507 65G0603104 12 MLCC C210 65G0603104 32 CHIP 0.1UF 50V X7R C211 65G0603104 32 CHIP 0.1UF 50V X7R...
- Page 44 15” LCD Color Monitor AOC 511Vwb D102 93G 6432P LL4148 MINI-MELF/LL-34 D201 93G 6433P BAV99 SOT-23 D202 93G 6433P BAV99 SOT-23 D203 93G 6433P BAV99 SOT-23 ZD202 93G 39S 34 T ZENER DIODE UDZS5.6B ZD203 93G 39S 34 T ZENER DIODE UDZS5.6B...
- Page 45 15” LCD Color Monitor AOC 511Vwb C806 65G0805105 22 CHIP 1UF 25V X7R 0805 C809 65G0805105 22 CHIP 1UF 25V X7R 0805 C813 65G1206225 22 2.2UF 25V X7R 1206 C801 65G1206475 22 CHIP 4.7UF 25V X7R 1206 C802 65G1206475 22 CHIP 4.7UF 25V X7R 1206...
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