AOC F19L Servise Manual
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AOC F19L Servise Manual

18.5 lcd color monitor
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18.5" LCD Color Monitor
Service
Service
Service
Description
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..........................................5
4. Input/Output Specification.......................................9
4.1 Input Signal Connector.......................................10
4.2 Factory Preset Display Modes........................10
5 Panel Specification..................................................11
5.1 Display Characteristics....................................11
5.2 Optical Characteristics......................................13
6.Block Diagram...............................................17
6.1 Software Flow Chat.........................................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
6.2 Electrical Block Diagram.................................19
7. Schematic.................................................... 21
7.1 Main Board..........................................................21
7.2 Power Board.......................................................29
8. PCB Layout.....................................................31
8.1 Main Board.....................................................31
8.2 Power Board.........................................................34
8.3 Key Board.......................................................36
9. Maintainability................................................37
9.2. Trouble Shooting................................................38
10.Firmware and DDC Instruction..........................45
12.Monitor Exploded View...................................48
13. BOM List..............................................................49
14.Different Parts List..........................................58
SAFETY NOTICE
1
AOC F19L
Horizontal Frequency
30-80 kHz
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Summary of Contents for AOC F19L

  • Page 1: Table Of Contents

    18.5" LCD Color Monitor AOC F19L Service Service Service Horizontal Frequency 30-80 kHz TABLE OF CONTENTS Description Page Description Page 6.2 Electrical Block Diagram………...………...…..19 Table Of Contents..……....……...…..1 7. Schematic……………………………………………. 21 Revision List.…......………....……..2 7.1 Main Board…………..........21 1. Monitor Specification.........………..3 2.LCD Monitor Description……………………………..4 7.2 Power Board..……………........29...

  • Page 2: Revision List

    18.5" LCD Color Monitor AOC F19L Revision List Revision Date Revision History TPV Model May.-22-2009 Initial release T88AM6NQX8A77NE T89AM6DQX8A17NE Add new Models in Item 13 T89AM6NQX8A27NE Sep.-01-2009 T89MM6NQX8A57NE Add second Panel List in Item 5 CMO M185B1-L06 T89AM6NQX8K67NE T89AM6NQX8K77NE T8AAM6NQX8A27NE Add new Models Aug.-26-2010...

  • Page 3: Monitor Specification

    18.5" LCD Color Monitor AOC F19L 1. Monitor Specifications Model name F19L Driving system TFT Color LCD Viewable Image Size 470mm diagonal Pixel pitch 0.3mm(H) x 0.3mm(V) LCD Panel Video R, G, B Analog lnterface & Digital Interface Separate Sync.

  • Page 4: Lcd Monitor Description

    18.5" LCD Color Monitor AOC F19L 2. LCD Monitor Description The LCD MONITOR will contain a main board, a power board, an audio board and a key board which house the flat panel control logic, brightness control logic and DDC.

  • Page 5: Operation Instruction

    18.5" LCD Color Monitor AOC F19L 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 6 18.5" LCD Color Monitor AOC F19L Full Enhance: When "Full Enhance" is turned on, the color saturation of the entire screen is fully enriched, thus all colors become more vibrant. Nature Skin: When "Natural Skin" is turned on, the red and yellow colors are enriched automatically, thus presents human skin with more natural and truer colors.
  • Page 7 18.5" LCD Color Monitor AOC F19L Movie Sports Mode Sports Gamma1 Adjust to Gamma1 Gamma Gamma2 Adjust to Gamma 2 Gamma3 Adjust to Gamma 3 Enable dynamic contrast ratio Image Setup Adjust picture Clock to reduce Clock 0-100 Vertical-Line noise.
  • Page 8 18.5" LCD Color Monitor AOC F19L Auto Select to Auto Detect input signal Analog Select Analog Sigal Source as Input Input Select Digital Select Digital Sigal Source as Input Auto Config yes or no Auto adjust the picture to default...

  • Page 9: Input/Output Specification

    18.5" LCD Color Monitor AOC F19L 4. Input/Output Specification 4.1 Input Signal Connector 4.1.1 D-SUB connector PIN NO. DESCRIPTION PI N NO. DESCRIPTION Video-Red Video-Green Ground Video-Blue N.C. N.C. DDC-Serial data Detect Cable H-sync GND-R V-sync GND-G DDC-Serial clock GND-B 4.1.2 DVI connector...

  • Page 10: Factory Preset Display Modes

    18.5" LCD Color Monitor AOC F19L 4.2 Factory Preset Display Modes Horizontal Vertical Standard Resolution Frequency (kHz) Frequency (Hz) 640 x 480 @60Hz 31.469 59.94 640 x 480 @72Hz 37.861 72.809 640 x 480 @75Hz 37.5 Dos-mode 720 x 400 @70Hz 31.469...

  • Page 11: Panel Specification

    18.5" LCD Color Monitor AOC F19L 5 Panel Specification 5.1 Display Characteristics M185XW01 M185B1-L06...
  • Page 12 18.5" LCD Color Monitor AOC F19L CLAA185WA03...

  • Page 13: Optical Characteristics

    18.5" LCD Color Monitor AOC F19L 5.2 Optical Characteristics M185XW01 M185B1-L06...
  • Page 14 18.5" LCD Color Monitor AOC F19L CLAA185WA03 （Ta=25℃，VCC=5.0V）...

  • Page 15: Parameter Guide Line For Ccfl Inverter

    18.5" LCD Color Monitor AOC F19L 5.3 Parameter guide line for CCFL Inverter 1.TFT LCD Module: M185XW01 M185B1-L06 CLAA185WA03 （Ta=25℃）...
  • Page 16 18.5" LCD Color Monitor AOC F19L 2.Back Light Unit: M185XW01 M185B1-L06 CLAA185WA03...

  • Page 17: Block Diagram

    18.5" LCD Color Monitor AOC F19L 6. Block Diagram 6.1 Software Flow Chat...
  • Page 18 18.5" LCD Color Monitor AOC F19L REMARK: 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 19: Electrical Block Diagram

    18.5" LCD Color Monitor AOC F19L 6.2 Electric Block Diagram 6.2.1 Main Board 715G2883 1 6 LCD Interface (CN302) FLASH MEMORY SST25LF020A Scalar TSUM5PFHL-LF (U402) (Include :MCU,ADC,OSD etc) (U401) H sync V sync Input signal D-Sub EEPROM Connector Connector M24C04-WMN6TP...
  • Page 20 18.5" LCD Color Monitor AOC F19L 6.2.2 Inverter / Power Board Bridge Rectifier Transformer AC input Rectifier diode EMI filte r and Filter Start Circuit: R905、R906、 CN902 R907、R908、R909、R910 Over Control IC Voltage Protect ON/OFF OSC and DC Convert MOSFET Output...

  • Page 21: Schematic

    R443 EE_WP CN402 3.9K OHM 1% 1/16W 3.9K OHM 1% 1/16W CN403 MSCL U402 MSDA KEY 2 M24C04-WMN6TP KEY 1 010A Befor AOC ID2007 OSD POWER_KEY # LED_GRN/BLUE LED_ORANGE 020A For ID2008 LF_B C436 C431 C432 C433 C434 R411 C435...
  • Page 22 18.5" LCD Color Monitor AOC F19L FB102 MVCC_1 VGA_B+ R105 100R 1/16W 5% C102 DSUB_B+ BEAD 0.047uF H_Sy nc R102 0R05 1/10W 5% R103 1K 1/16W 5% R108 C105 DSUB_H V_Sy nc R104 1K 1/16W 5% 5pF/50V DSUB_V D109 75R 1/16W 5%...
  • Page 23 18.5" LCD Color Monitor AOC F19L CN301 PA[0..9] PB[0..9] PA[0..9] PB[0..9] LVB3P LVB0M RXO0- CN303 LVA3P LVB3M LVB0P RXO0+ LVA3M LVBCKP LVB1M RXO1- LVACKP LVBCKM LVB0M RXO0- RXO0+ LVB0P LVB1P RXO1+ LVACKM LVB2P LVB1M RXO1- RXO1+ LVB1P LVB2M RXO2- LVA2P...
  • Page 24 18.5" LCD Color Monitor AOC F19L CMVCC1 VCC1.8 C710 0.1uF 16V FB702 300 OHM CN701 VCC3.3 C705 C704 SM340A D701 MVCC 0.1uF 16V 100UF25V CMVCC Q702 CMVCC MMBT2907AK R705 BKLT-VBRI R709 BKLT-EN R710 NC 10K 1/16W 5% PANEL_ID# PANEL_ID# 2...
  • Page 25 18.5" LCD Color Monitor AOC F19L 715G3329M01005004S FB102 100R 1/16W 5% VGA_B+ R105 C102 DSUB_B+ BEAD 0.047uF H_Sy nc R102 0R05 1/10W 5% R103 1K 1/16W 5% R108 C105 DSUB_H V_Sy nc R104 1K 1/16W 5% 5pF/50V DSUB_V 75R 1/16W 5%...
  • Page 26 18.5" LCD Color Monitor AOC F19L CN301 PA[0..9] PB[0..9] PA[0..9] PB[0..9] LVB3P LVB0M RXO0- PA0 LVA3P LVB3M LVB0P RXO0+ CN302 PA1 LVA3M LVBCKP LVB1M RXO1- PA2 LVACKP LVBCKM LVB1P RXO1+ PA3 LVACKM LVB2P LVB2M RXO2- PA4 LVA2P LVB2M LVB2P RXO2+...
  • Page 27 18.5" LCD Color Monitor AOC F19L CMVCC1 SOT 252 U702 NC/AP1117D33L-13 Both 223 and 252 CN701 foot-print CMVCC1 CMVCC1 BKLT-VBRI R709 BKLT-EN R710 NC PANEL_ID# PANEL_ID# Volume# CMVCC1 VCC3.3 Volume# Mute1 SOT 223 Mute VOUT CONN C701 lock type C712 C707 0.1uF/16V...
  • Page 28 100R 1/16W 5% R453 0R 1/16W 5% POWER_KEY # U402 LED_GRN/BLUE LED_ORANGE R430 100R 1/16W 5% R455 2.2K 1/16W 5% 010A Befor AOC ID2007 OSD R418 C431 C432 C433 ZD401 C434 C435 0R05 1/16W R440 10K 1/16W 5% R461 0R 1/16W 5%...

  • Page 29: Power Board

    18.5" LCD Color Monitor AOC F19L 7.2 Power Board 715G2852 3 4 & 715G2852 2 11 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 470PF50V 150 OHM 2W 0.1uF...
  • Page 30 18.5" LCD Color Monitor AOC F19L 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 470PF50V C824 R856...

  • Page 31: Pcb Layout

    18.5" LCD Color Monitor AOC F19L 8. PCB Layout 8.1 Main Board 715G2883 1 6...
  • Page 32 18.5" LCD Color Monitor AOC F19L 715G3329M01005004S...
  • Page 33 18.5" LCD Color Monitor AOC F19L...

  • Page 34: Power Board

    18.5" LCD Color Monitor AOC F19L 8.2 Power Board 715G2852 3 4...
  • Page 35 18.5" LCD Color Monitor AOC F19L 715G2852 2 11...

  • Page 36: Key Board

    18.5" LCD Color Monitor AOC F19L 8.3 Key Board...

  • Page 37: Maintainability

    18.5" LCD Color Monitor AOC F19L 9. Maintainability 9.1 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

    18.5" LCD Color Monitor AOC F19L 9.2 Trouble Shooting 9.2.1 Main Board 1. NO SCREEN APPEAR 715G2883 1 6 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...
  • Page 39 18.5" LCD Color Monitor AOC F19L No picture (LED orange) No picture Measure U104 Vout=3.3V ZD104,ZD105 Vc=1.8V Replace U104, ZD104,ZD105 X401 oscillate waveforms are normal Replace X401 Check if the sync signal from computer is output and video cable is connected...
  • Page 40 18.5" LCD Color Monitor AOC F19L 715G3329M01005004S...
  • Page 41 18.5" LCD Color Monitor AOC F19L...
  • Page 42 18.5" LCD Color Monitor AOC F19L 9.2.2 Power Board 1. No Power Check CN902 pin3= 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 43 18.5" LCD Color Monitor AOC F19L 2. W/LED No Backlight Check C802 (+) =12V Change Q802 Check ON/OFF signal Check main board Check IC801 pin6=12V Change Q807 or Q809 Check the pin1 of IC801 have saw tooth wave Change IC801...
  • Page 44 18.5" LCD Color Monitor AOC F19L 9.2.3 Key Board OSD is unstable or not working Connect Key Pad Board Is Key Pad Board connecting normally ? Replace Button Switch Is Button Switch normally ? Replace Key Pad Board Is Key Pad Board normally ?

  • Page 45: Firmware And Ddc Instruction

    18.5" LCD Color Monitor AOC F19L 10.Firmware and DDC Instruction ISP & DDC writing SOP Please land ftp://cs.tpv.com.cn/ to load relevant writing SOP in the related files. Accounts: TPVSQZ Code: TPVZGDLSQZ20090707...

  • Page 46: White-Balance, Luminance Adjustment

    18.5" LCD Color Monitor AOC F19L 11. White- Balance, Luminance Adjustment Approximately 30 minutes should be allowed for warm up before proceeding White-Balance adjustment. 1. How to do the Chroma-7120 MEM. Channel setting A. Reference to chroma 7120 user guide B.
  • Page 47 18.5" LCD Color Monitor AOC F19L 3. The LCD-indicator on chroma 7120 will show x = 283±30, y = 297 ±30, Y =170 cd/m 4. Adjust the RED of color3 on factory window until chroma 7120 indicator reached the value R=100 5.

  • Page 48: Monitor Exploded View

    18.5" LCD Color Monitor AOC F19L 12. Monitor Exploded View...

  • Page 49: Bom List

    PWPC9821SHD1 POWER BOARD Q15G0346M01CKD MAINFRAME Q34G0441AEPB1B BEZEL Q34G0442ABJA1K0130 REAR COVER18.5" Q34G0443ABJ 1K STAND Q34G0444ABJ 1K0130 STAND COVER Q34G0445ABJ 1K ROTATION TUBE Q36G 600517 duster cloth Q52G 1185 99 BIG CARTON TAPE FOR AOC Q52G6019 14 TAPE 040G 45762420A LABEL 25x6mm...
  • Page 50 18.5" LCD Color Monitor AOC F19L 040G 58162435A P/N LABEL FOR MANUAL PE BAG 756GH9CB AO008 MAIN BOARD-CBPC9M6A4HK U402 056G1133 81 SST25LF020A-33-4C-SAE SMTCR-U402 100GAMA8008W11 MCU ASS'Y-056G1133 81 CN402 033G3802 6 WAFER CN701 033G3802 9 WAFER 9P RIGHT ANELE PITCH CN302 033G804314C H HR WAFER 2*7P 2.0picth...
  • Page 51 18.5" LCD Color Monitor AOC F19L C704 067G 3151014KB EC 100uF M 25V 6.3*11 C305 067G 3151014KB EC 100uF M 25V 6.3*11 C707 067G 3151014KB EC 100uF M 25V 6.3*11 C706 067G 3151014KB EC 100uF M 25V 6.3*11 Q002 057G 417 4...
  • Page 52 18.5" LCD Color Monitor AOC F19L R927 061G0603360 1F RST CHIPR 3.6K OHM +-1% 1/10W R861 061G06034753FF RST CHIPR 475KOHM +-1% 1/10W FENGHUA R851 061G0603680 1F RST CHIPR 6.8 KOHM +-1% 1/10W R841 061G0603680 2F RST CHIPR 68K OHM +-1% 1/10W...
  • Page 53 18.5" LCD Color Monitor AOC F19L C819 065G0603222 32 CHIP 2200PF 50V X7R C823 065G0603222 32 CHIP 2200PF 50V X7R C928 065G0805103 32 CAP CHIP 0805 10NF K 50V X7R C931 065G0805104 32 CAP CHIP 0805 0.1uF K 50V X7R...
  • Page 54 18.5" LCD Color Monitor AOC F19L R129 061G0402100 RST CHIPR 10 OHM +-5% 1/16W R130 061G0402100 RST CHIPR 10 OHM +-5% 1/16W R131 061G0402100 RST CHIPR 10 OHM +-5% 1/16W R132 061G0402100 RST CHIPR 10 OHM +-5% 1/16W R134 061G0402100...
  • Page 55 18.5" LCD Color Monitor AOC F19L R110 061G0402471 RST CHIPR 470 OHM +-5% 1/16W R124 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R125 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R137 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R138 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W...
  • Page 56 18.5" LCD Color Monitor AOC F19L C413 065G0402104 12 CAP CHIP 0402 0.1UF 16V X7R C414 065G0402104 12 CAP CHIP 0402 0.1UF 16V X7R C104 065G0402220 31 CHIP 22PF 50V NPO C103 065G0402220 31 CHIP 22PF 50V NPO C423 065G0402224 17 CAP CER 0.22UF -20%-80%...
  • Page 57 18.5" LCD Color Monitor AOC F19L J807 095G 90 23 JUMPER WIRE J809 095G 90 23 JUMPER WIRE J811 095G 90 23 JUMPER WIRE J812 095G 90 23 JUMPER WIRE J813 095G 90 23 JUMPER WIRE J901 095G 90 23...

  • Page 58: Different Parts List

    18.5" LCD Color Monitor AOC F19L 14. Different Parts List Note: The parts information listed below are for reference only, and are subject to change without notice. Please go to http://cs.tpv.com.cn/hello1.asp for the latest information. Diversity of T89AM6DQX8A17NE compared with T88AM6NQX8A77NE Location Part No.

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