AOC 913Fw Service Manual

AOC 913Fw Service Manual

19" lcd color monitor
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19" 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 Instructions..................................................5
3.1. General Instructions..................................................5
3.2. Control Button....................................................5
3.3 Adjusting the Picture............................................6
4. Input/Output Specification.......................................8
4.1. Input Signal Connector.........................................8
4.2. Factory Preset Display Modes........................... 8
4.3. Panel Specification.........................................9
5. Block Diagram............................................................11
5.1 Software Flow Chart.........................................11
5.2.Electrical Block Diagram...............................13
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
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

TABLE OF CONTENTS

SAFETY NOTICE
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
Page
Description
6. Schematic.............................................................15
6.1 Main Board..........................................................15
6.2 Power Board.................................................19
7. PCB Layout...........................................................21
7.1. Main Board.........................................................21
7.2. Power Board........................................................24
7.3. Key Board............................................................26
8. Maintainability........................................................27
8.1.Equipments and Tools Requirement......................27
8.2.Trouble Shooting.................................................28
10. Monitor Exploded View....................................36
11. BOM List...............................................................37
12. Different Parts List...............................................49
1
AOC 913Fw
Horizontal Frequency
30-80 kHz
Page

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Summary of Contents for AOC 913Fw

  • Page 1: Table Of Contents

    19" LCD Color Monitor AOC 913Fw Service Service Service Horizontal Frequency 30-80 kHz TABLE OF CONTENTS Description Page Description Page Table Of Contents…………………………………………...1 6. Schematic……………..........15 Revision List………………………………………………..2 6.1 Main Board..………..........15 1. Monitor Specification......…………..3 6.2 Power Board………………………………………..19 2. LCD Monitor Description……………………………..4 7.
  • Page 2: Revision List

    19" LCD Color Monitor AOC 913Fw Revision List Version Date Revision History TPV Model Name Nov.-14-07 Initial release T97MMBNDLWA4NNE T972MBNCLWA1NNE Dec.-13-07 Add TPVDW Model in Item 12 T97MMBNKLWA1NNE T97MMBNQLWA17NE Jan.-16-08 Add TPVDW Model in Item 12 T97MMBNQLWA27NE...
  • Page 3: Monitor Specification

    19" LCD Color Monitor AOC 913Fw Monitor Specification Model number 913Fw Driving system TFT Color LCD Viewable Image Size 481mm diagonal Pixel pitch 0.285mm(H) x 0.285mm(V) LCD Panel Video R, G, B Analog interface Separate Sync. H/V TTL Display Color 16.2 million Colors...
  • Page 4: Lcd Monitor Description

    19" LCD Color Monitor AOC 913Fw 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 5: Operation Instructions

    19" LCD Color Monitor AOC 913Fw 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 6: Adjusting The Picture

    19" LCD Color Monitor AOC 913Fw 3.3 Adjusting the Picture OSD Settings • 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-button to activate it. If the function selected has a sub-menu, press or again to navigate through the sub-menu functions.
  • Page 7 19" LCD Color Monitor AOC 913Fw...
  • Page 8: Input/Output Specification

    19" LCD Color Monitor AOC 913Fw 4. Input/Output Specification 4.1 Input Signal Connector D-Sub mini 15pin Connector 4.2 Factory Preset Display Modes...
  • Page 9: Panel Specification

    19" LCD Color Monitor AOC 913Fw 4.3. Panel Specification 4.3.1 General Feature 4.3.2 Optical Characteristics...
  • Page 10 19" LCD Color Monitor AOC 913Fw 4.3.3 Electrical Characteristics TFT Module Back-light...
  • Page 11: Block Diagram

    19" LCD Color Monitor AOC 913Fw 5. Block Diagram 5.1 Software Flow Chart...
  • Page 12 19" LCD Color Monitor AOC 913Fw 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 13: Electrical Block Diagram

    19" LCD Color Monitor AOC 913Fw 5.2 Electrical Block Diagram Main Board Panel Interface (CN7) Scalar TSUM17AWK-LF-1 EEPROM Keypad Interface (Include MCU, ADC, OSD) M24C04 (CN403) (U408) (U403) H sync V sync Flash Memory Crystal PM25LV010A 14.31818MHZ (U402) (X401) D-Sub...
  • Page 14 19" LCD Color Monitor AOC 913Fw Power Board 5V Rectifier and Filter Transformer Bridge Rectifier and T901 12V Rectifier EMI filter Filter and Filter Start Circuit: R904,R932,R933 CN902 Feedback Over PWM Control IC Voltage Circuit IC TEA1530AT Protect ON/OFF MOSFET...
  • Page 15: Schematic

    19" LCD Color Monitor AOC 913Fw 6. Schematic 6.1 Main Board...
  • Page 16 19" LCD Color Monitor AOC 913Fw...
  • Page 17 19" LCD Color Monitor AOC 913Fw...
  • Page 18 19" LCD Color Monitor AOC 913Fw...
  • Page 19: Power Board

    19" LCD Color Monitor AOC 913Fw 6.2 Power Board...
  • Page 20 19" LCD Color Monitor AOC 913Fw...
  • Page 21: Pcb Layout

    19" LCD Color Monitor AOC 913Fw 7. PCB Layout 7.1 Main Board...
  • Page 22 19" LCD Color Monitor AOC 913Fw...
  • Page 23 19" LCD Color Monitor AOC 913Fw...
  • Page 24: Power Board

    19" LCD Color Monitor AOC 913Fw 7.2 Power Board 715G2538 2...
  • Page 25 19" LCD Color Monitor AOC 913Fw...
  • Page 26: Key Board

    19" LCD Color Monitor AOC 913Fw 7.3 Key Board...
  • Page 27: Maintainability

    19" LCD Color Monitor AOC 913Fw 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 28: Trouble Shooting

    19" LCD Color Monitor AOC 913Fw 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 29 19" LCD Color Monitor AOC 913Fw 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 U408 is normal Measure U701 PIN2=1.8V, U702 PIN2=3.3V Replace U408...
  • Page 30 19" LCD Color Monitor AOC 913Fw White screen White screen Measure Q1 base is X401 oscillate waveform is normal low level? Replace X401 Check Q1 is broken or CN7 Check reset circuit of solder? U408 is normal Check Correspondent Check Correspondent component.
  • Page 31 19" LCD Color Monitor AOC 913Fw 8.2.2 Power/Inverter Board 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 circut Check start voltage for the pin8 of IC901...
  • Page 32 19" LCD Color Monitor AOC 913Fw W / LED, No Backlight Check CN902 pin4, 5 = 12V Check the adapter and F801 Check ON/OFF signal and the pin 12 of IC801 is 12V Check main board or change ON/OFF signal...
  • Page 33 19" LCD Color Monitor AOC 913Fw 8.2.3 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? Is Key Pad Board normally? Replace Key Pad Board...
  • Page 34: White-Balance, Luminance Adjustment

    = 313 ±20, y = 329 ±20, Y= 180cd/m 3. Into Factory mode of AOC 916Sw: 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 19" LCD Color Monitor AOC 913Fw 5. Adjust the GREEN of color3 on factory window until chroma 7120 indicator reachedthe value G=100 6. Adjust the BLUE of color3 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±5 C.
  • Page 36: Monitor Exploded View

    19" LCD Color Monitor AOC 913Fw 10. Monitor Exploded View...
  • Page 37: Bom List

    750GLV90KM213N PANEL TPM190A1 S190A2-M A15G0234 1 AC Bracket A85G0067 3 shield H40G 19N61536A AOC ID LABEL H40G 58161544B AOC LOGO 方 LABEL H41G7800615 7D WARRANTY BOOKLIST H41G780061532A H44G9092 1 H44G9092 2 H44G9092615 1A CARTON H45G 87 1 3H EPE COVER...
  • Page 38 19" LCD Color Monitor AOC 913Fw Q45G 76 28 H PE BAG FOR MANUAL Q45G 76 28V13 PE BAG Q52G 1185 65 MIDDLE TAPE SMTC7MMBA1H1 MAIN BAORD FOR SMT CN701 33G3802 10 WAFER 2.0MM 10P CN403 33G3802 6B Y WAFER 6P ANGLE PITCH 2.
  • Page 39 19" LCD Color Monitor AOC 913Fw R443 61G0402101 RST CHIPR 100 OHM +-5% R453 61G0402101 RST CHIPR 100 OHM +-5% R454 61G0402101 RST CHIPR 100 OHM +-5% R488 61G0402101 RST CHIPR 100 OHM +-5% R445 61G0402102 RST CHIPR 1K OHM +-5%...
  • Page 40 19" LCD Color Monitor AOC 913Fw R437 61G0402471 RST CHIPR 470 OHM +-5% 61G0402472 RST CHIPR 4.7KOHM +-5% R422 61G0402472 RST CHIPR 4.7KOHM +-5% R423 61G0402472 RST CHIPR 4.7KOHM +-5% R712 61G0402472 RST CHIPR 4.7KOHM +-5% 61G0402472 RST CHIPR 4.7KOHM +-5%...
  • Page 41 19" LCD Color Monitor AOC 913Fw C426 65G0402104 15 MLCC 0402 CAP 0.1UF K 1 C427 65G0402104 15 MLCC 0402 CAP 0.1UF K 1 C428 65G0402104 15 MLCC 0402 CAP 0.1UF K 1 C429 65G0402104 15 MLCC 0402 CAP 0.1UF K 1...
  • Page 42 19" LCD Color Monitor AOC 913Fw D402 93G 39S 34 T UDZS5.6B D406 93G 39S 34 T UDZS5.6B D408 93G 39S 34 T UDZS5.6B D409 93G 39S 34 T UDZS5.6B D410 93G 39S 34 T UDZS5.6B D411 93G 39S 34 T UDZS5.6B...
  • Page 43 19" LCD Color Monitor AOC 913Fw C802 67G215D4714KV ELCAP 470UF +-20% 25V 1 C803 67G215D4714KV ELCAP 470UF +-20% 25V 1 C917 67G215D6814KV ELCAP 105℃ 680UF M 25V C918 67G215D6814KV ELCAP 105℃ 680UF M 25V C939 67G215S1024KV ELCAP 1000UF +-20% 25V...
  • Page 44 19" LCD Color Monitor AOC 913Fw R826 61G0603100 1F RST CHIPR 1KOHM +-1% 1/ R925 61G0603100 1F RST CHIPR 1KOHM +-1% 1/ R942 61G0603100 1F RST CHIPR 1KOHM +-1% 1/ R808 61G0603100 2F RST CHIPR 10KOHM +-1% 1 R813 61G0603100 2F...
  • Page 45 19" LCD Color Monitor AOC 913Fw R938 61G0805103 RST CHIPR 10KOHM +-5% 1 R916 61G0805152 RST CHIPR 1.5KOHM +-5% R825 61G0805220 RST CHIPR 22 OHM +-5% 1 R829 61G0805220 RST CHIPR 22 OHM +-5% 1 R912 61G0805220 2F RST CHIPR 22 KOHM +-1%...
  • Page 46 19" LCD Color Monitor AOC 913Fw C924 65G0603103 12 CHIP 0.01UF 16V X7R C807 65G0603104 22 CAP:CER 0.1UF 10% 25V S C821 65G0603104 22 CAP:CER 0.1UF 10% 25V S C825 65G0603104 22 CAP:CER 0.1UF 10% 25V S C834 65G0603104 22 CAP:CER 0.1UF 10% 25V S...
  • Page 47 19" LCD Color Monitor AOC 913Fw ZD921 93G 39S 15 T RLZ15B LLDS ZD922 93G 39S 25 T RLZ5.1B BY ROHM CN901 6G 31500 EYELET NR901 6G 31502 1.5MM RIVET T901 6G 31502 1.5MM RIVET 715G2538 3 POWER BOARD PCB...
  • Page 48 19" LCD Color Monitor AOC 913Fw M1G1730 8120 SCREW Q90G6274 2 HEAT SINK Q1G 130 8120 SCREW A15G0028 1 VESA BKT Q15G0232 1 HINGE NOG Q34G0353ABJ 8B REAR COVER(19") Q1G1840 8120 SCREW Q34G0196ABJ 1B STAND NUT Q34G0197ABJ 1B STAND SCREW...
  • Page 49: Different Parts List

    19" LCD Color Monitor AOC 913Fw 12. Different Parts List Diversity of T972MBNCLWA1NNE Compared with T97MMBNDLWA4NNE Location Part No. Description 26G 800504 3H BARCODE 89G410A15N IS POWER CORD WALL-OUT FOR H12G6200 8 RUBBER H40G 19N61546A ID LABEL H70G200761539B CD MANUAL Q34G0194AEDA1B 30 BEZEL(19")
  • Page 50 H26G800P504 3H BARCODE H40G 19N61541A ID LABEL H40G 58161528A POP LABEL H41G780061534A 913Fw 保证卡 CKD H45G 87 1 11 PE BAG FOR MONITOR H45G 87 4 7 PE BAG FOR BASE H45G 87 28 V2 PE BAG FOR MANUAL H70G200761539B...
  • Page 51 19" LCD Color Monitor AOC 913Fw F801 61G1206000 4 RST CHIPR 0 OHM +-5% 1/ F902 61G1206000 4 RST CHIPR 0 OHM +-5% 1/ R967 61G1206000 4 RST CHIPR 0 OHM +-5% 1/ C906 65G 2K152 1T6921 1.5NF/2KV Y5P+-10% C938 65G 2K152 1T6921 1.5NF/2KV Y5P+-10%...
  • Page 52 19" LCD Color Monitor AOC 913Fw CN403 33G3802 6B Y L WAFER 6P ANGLE PITCH 2. CN405 88G 35315F HD D-SUB CONN F ATTACHED U404 56G1133 34 M24C02-WMN6TP T901 S80GL19T23V TRANSFORMER ASS'Y C801 65G 6J1006ET 10PF 5% SL 6KV C811...

Table of Contents