AOC 717Fwy Service Manual

AOC 717Fwy Service Manual

17" lcd color monitor

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17" 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........................................6
3. Operation Instructions..................................................7
3.1. General Instructions..................................................7
3.2. Control Button....................................................7
3.3 Adjusting the Picture............................................8
4. Input/Output Specification.......................................12
4.1. Input Signal Connector.........................................12
4.2. Factory Preset Display Modes...........................12
4.3. Panel Specification.........................................13
5. Block Diagram............................................................16
5.1 Software Flow Chart.........................................16
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
5.2.Electrical Block Diagram...............................18
6. Schematic.............................................................19
6.1 Main Board..........................................................19
6.2 Power Board.................................................24
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.............................................52
R FOR TH
UNIT WHEN S
1
AOC 717Fwy
Horizontal Frequency
55.5-70.6 kHz
Page

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Summary of Contents for AOC 717Fwy

  • Page 1: Table Of Contents

    17" LCD Color Monitor AOC 717Fwy Service Service Service Horizontal Frequency 55.5-70.6 kHz TABLE OF CONTENTS Description Page Description Page Table Of Contents…………………………………………...1 5.2.Electrical Block Diagram……………………..18 Revision List………………………………………………..2 6. Schematic……………..........19 6.1 Main Board..………..........19 Important Safety Notice…………………………………..3 6.2 Power Board………………………………………..24 1. Monitor Specification......…………..4 2.
  • Page 2: Revision List

    17" LCD Color Monitor AOC 717Fwy Revision List Version Date Revision History TPV Model Name T77HRDNQBWA15N T77HRDNQBWA16N Apr.-08-2008 Initial release T77HRDNQBWA25N T77HRDNQBWA26N...
  • Page 3: Important Safety Notice

    AOC 717Fwy 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

    17" LCD Color Monitor AOC 717Fwy 1. Monitor Specification Model number 717Fwy Driving system TFT Color LCD Viewable Image Size 432mm diagonal Pixel pitch 0.255mm(H) x 0.255mm(V) LCD Panel Video R, G, B Analog interface Separate Sync. H/V TTL Display Color 16.2M Colors...
  • Page 5 17" LCD Color Monitor AOC 717Fwy Operating 10% to 85% (non-condensing) Non-Operating 5% to 80% (non-condensing) Altitude: Operating 0~ 3000m (0~ 10000 ft ) Non-Operating 0~ 5000m (0~ 15000 ft )
  • Page 6: Lcd Monitor Description

    17" LCD Color Monitor AOC 717Fwy 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 7: Operation Instructions

    17" LCD Color Monitor AOC 717Fwy 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 8: Adjusting The Picture

    17" LCD Color Monitor AOC 717Fwy 3.3 Adjusting the Picture OSD Settings  Press the Menu (Power) button to activate the OSD window. Press left, right, up, down button to navigate through the functions. Once the desired function is highlighted, press the Menu (Power) button to activate sub-menu.
  • Page 9 17" LCD Color Monitor AOC 717Fwy OSD functions Luminance Adjust Range Description Brightness 0-100 Backlight Adjustment Contrast 0-100 Contrast from Digital-register. Standard Mode Standard Text Mode Text Eco mode Internet Mode Internet Game Mode Game Movie Mode Movie Sports Mode...
  • Page 10 17" LCD Color Monitor AOC 717Fwy picture. Adjust the vertical position of the V. Position 0-100 picture. Color Temp. Recall Warm Color Temperature Warm from EEPROM. 6500K Recall Normal Color Temperature Normal from EEPROM. 7300K Recall Cool Color Temperature from Cool EEPROM.
  • Page 11 17" LCD Color Monitor AOC 717Fwy V. Position 0-100 Adjust the vertical position of OSD Timeout 5-120 Adjust the OSD Timeout Transparence 0-100 Adjust the transparence of OSD Language Select the OSD language Extra Input Select Auto Select to Auto Detect input signal...
  • Page 12: Input/Output Specification

    17" LCD Color Monitor AOC 717Fwy 4. Input/Output Specification 4.1 Input Signal Connector D-Sub mini 15pin Connector 4.2 Factory Preset Display Modes Horizontal Vertical Stand Resolution Frequency(KHz) Frequency(Hz) Dos-mode 720×400 31.47 640×480 31.47 640×480 37.5 SVGA 800×600 37.879 SVGA 800×600 46.875...
  • Page 13: Panel Specification

    17" LCD Color Monitor AOC 717Fwy 4.3. Panel Specification 4.3.1 General Feature Hannstar Display model HSD170MGW1-B00 is a color active matrix thin film transistor (TFT) liquid crystal display (LCD) that uses amorphous silicon TFT as a switching device. This model is composed of a TFT LCD panel, a driving circuit and a back light system.
  • Page 14 17" LCD Color Monitor AOC 717Fwy 4.3.2 Optical Characteristics...
  • Page 15 17" LCD Color Monitor AOC 717Fwy 4.3.3 Electrical Characteristics TFT Module Back-light...
  • Page 16: Block Diagram

    17" LCD Color Monitor AOC 717Fwy 5. Block Diagram 5.1 Software Flow Chart...
  • Page 17 17" LCD Color Monitor AOC 717Fwy REMARK: 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.
  • Page 18: Electrical Block Diagram

    17" LCD Color Monitor AOC 717Fwy 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 19: Schematic

    17" LCD Color Monitor AOC 717Fwy 6. Schematic 6.1 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 120Ω CONN C202 C204 AP1117E33LA C205 C203 0.1uF/16V 0.1uF/16V...
  • Page 20 17" LCD Color Monitor AOC 717Fwy DSUB_V R302 0R05 1/16W R301 100R 1/16W RTD_H R303 100R 1/16W RTD_V R304 R305 C302 C303 ZD302 ZD303 2K2 1/16W FB302 C304 UDZS5.6B UDZS5.6B 2K2 1/16W 22pF 22pF R306 100R 1/16W VGA_B+ RTD_B+ RTD_B+...
  • Page 21 17" LCD Color Monitor AOC 717Fwy DSUB_5V CMVCC CMVCC D401 C402 D402 BAV70 1uF 10V Reserve for powerBoard MCU_VCC CMVCC=3V Q401 PMBS3904 MCU_VCC_S MCU_VCC C404 R402 C412 R405 R406 R407 1K 1/16W R403 1uF 10V NC/0.22uF 3.9KΩ 1/16W U403 U402...
  • Page 22 17" LCD Color Monitor AOC 717Fwy VCC3 FB502 120Ω C503 0.1uF/16V U501 1.8AVCC R1.8DVCC 0R05 1/10W 5% FB501 R1.8DVCC1 Q501 VCC3 MMBT2907AK Q502 RXO1- LVDS_O0 RXO0- LVDS_O[0..9] V1/REXT TXO1- R507 FB503 C507 C501 LVDS_O1 RXO0+ 120Ω KN2907AS C502 C505 C506...
  • Page 23 17" LCD Color Monitor AOC 717Fwy LVDS Panel ( FFC Type ) CN601 RXO0- RXO0+ LVDS_O[0..9] RXO1- LVDS_O0 RXO0- RXO1+ LVDS_O1 RXO0+ RXO2- LVDS_O2 RXO1- RXO2+ LVDS_O3 RXO1+ LVDS_O4 RXO2- RXOC- LVDS_O5 RXO2+ RXOC+ RXO3- LVDS_O6 RXOC- RXO3+ LVDS_O7 RXOC+...
  • Page 24: Power Board

    17" LCD Color Monitor AOC 717Fwy 6.2 Power Board 1/4W R918 L904 R941 R945 1K 1/4W 1K 1/4W +12V 1/4W R919 1.1uH BD901 C912 C922 KBP208G 0.001uF 470uF/25V ZD902 C930 1/4W R920 R944 RLZ13B R946 0.1uF C917 C918 1K 1/4W...
  • Page 25 17" LCD Color Monitor AOC 717Fwy CN801 C839 T801 1000pF POWER X'FMR R817 R821 10K 1/10W 1K 1/10W 1% CONN R855 D805 1/4W 33G8020 2E F LL4148WP C819 F801 0.0022uF +12V C801 15pF/3KV 0R05 1/4W C802 R804 Q801 470uF/25V C824...
  • Page 26 17" LCD Color Monitor AOC 717Fwy U101 CN102 CN101 R104 C101 NC LOUT+ LIN+ LOUT+ C105 NC LOUT- LIN- LOUT- C106 NC ROUT+ RIN+ ROUT+ R105 C107 NC ROUT- RIN- ROUT- BY PASS R108 R101 SHUTDOWN# FADE# C108 MUTE SE/BTL#...
  • Page 27: Pcb Layout

    17" LCD Color Monitor AOC 717Fwy 7. PCB Layout 7.1 Main Board...
  • Page 28 17" LCD Color Monitor AOC 717Fwy...
  • Page 29: Power Board

    17" LCD Color Monitor AOC 717Fwy 7.2 Power Board...
  • Page 30: Key Board

    17" LCD Color Monitor AOC 717Fwy 7.3 Key Board...
  • Page 31: Maintainability

    17" LCD Color Monitor AOC 717Fwy 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

    17" LCD Color Monitor AOC 717Fwy 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 17" LCD Color Monitor AOC 717Fwy 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 17" LCD Color Monitor AOC 717Fwy 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 17" LCD Color Monitor AOC 717Fwy 8.2.2 Power Board 1) No power Check C930 = 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 17" LCD Color Monitor AOC 717Fwy 2.) No Backlight Check F801=12V Check adapter and F801 Check ON/OFF signal Check Interface board or main board Check IC801 PIN12=10.5V Change on/off circuit Check IC801 PIN5 have triangle wave Change IC801 Check IC801 PIN9/PIN10 PWM wave...
  • Page 37 17" LCD Color Monitor AOC 717Fwy 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 ± 20, y = 329 ± 20, Y= 180cd/m 3. Into Factory mode of 717Fwy: 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 17" LCD Color Monitor AOC 717Fwy 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

    17" LCD Color Monitor AOC 717Fwy 10. Monitor Exploded View...
  • Page 41: Bom List

    17" LCD Color Monitor AOC 717Fwy 11. BOM List T77HRDNQBWA15N Location Part No. Description 026G 800504 3 BARCODE LABEL 040G 154501 1 HI-POT GND LABEL 040G 581 26646 EANCODE LABEL 040G 58162461A EPA LABEL 044G3231 15 EVA WASHER 044G6000 4E...
  • Page 42 17" LCD Color Monitor AOC 717Fwy Q20G6036 1 FUNCTION-KEY-COAT Q20G6046 1 POWER_KEY Q36G 600517 DUSTER CLOTH Q40G 17N61586A 717FWY POP LABEL Q40G000260811A BASIC LABEL Q40G000262448A POP LABEL Q40G000262452A DEEVO STICK Q41G7800615B55 SA SERVICE CENTER Q41G780A61554A 717FWY QSG Q45G 76 28CK2...
  • Page 43 17" LCD Color Monitor AOC 717Fwy C505 067G 3152207KV ELCAP 22UF M 50V 105℃ KING NICHI C604 067G 3154704KV ELCAP 47UF M 25V 105℃ KINGNICHI CN301 088G 35315F H D-SUB 15PIN X401 093G 22 45 H 24MHZ/30PF/49US SMTC7SRDA1Q4 MAIN BOARD FOR SMT...
  • Page 44 17" LCD Color Monitor AOC 717Fwy 705GQ793040 D906 ASS'Y PW721HE4SMT POWER BOARD FOR SMT Q90G6295 3 HEAT SINK L901 S73G17476V LINE FILTER ASS'Y L903 S73G25391V1 CHOKE COIL ASS'Y L904 S73G25391V1 CHOKE COIL ASS'Y T901 S80GL17T33V TRANSFORMER ASS'Y 089F80002053AG 1.0*30*3-205-3-0.65*0.05 033F303FH10BK3...
  • Page 45 17" LCD Color Monitor AOC 717Fwy 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 RST CHIPR 100 OHM +-5% 1/16W R454 061G0402102...
  • Page 46 17" LCD Color Monitor AOC 717Fwy R439 061G0402682 RST CHIP 6K8 1/16W 5% R307 061G0402750 RST CHIPR 75 OHM +-5% 1/16W R310 061G0402750 RST CHIPR 75 OHM +-5% 1/16W R314 061G0402750 RST CHIPR 75 OHM +-5% 1/16W FB501 061G0603000 RST CHIPR 0 OHM +-5% 1/10W...
  • Page 47 17" LCD Color Monitor AOC 717Fwy FB503 071G 56K121 M CHIP BEAD FB601 071G 56K121 M CHIP BEAD FB301 071G 59K190 B 19 OHM BEAD FB302 071G 59K190 B 19 OHM BEAD FB303 071G 59K190 B 19 OHM BEAD D301...
  • Page 48 17" LCD Color Monitor AOC 717Fwy D906 093G 60267 SP10100 0M1G1730 8120 SCREW Q90G6263 2 HEAT SINK IC801 056G 379 22 IC TL494IDR SOIC-16 IC901 056G 379 76 IC LD7552BPS SOP-8 Q801 057G 417 4 PMBS3904/PHILIPS-SMT(04) Q806 057G 417 4...
  • Page 49 17" LCD Color Monitor AOC 717Fwy R930 061G0603243 1F RST CHIPR 2.43K OHM +-1% 1/10W R940 061G0603330 2F RST CHIPR 33K OHM +-1% 1/10W R927 061G0603360 1F RST CHIPR 3.6K OHM +-1% 1/10W R811 061G0603472 RST CHIPR 4.7K OHM +-5% 1/10W...
  • Page 50 17" LCD Color Monitor AOC 717Fwy R945 061G1206102 RST CHIPR 1K OHM +-5% 1/4W R946 061G1206102 RST CHIPR 1K OHM +-5% 1/4W R108 061G1206109 RST CHIPR 1 OHM +-5% 1/4W R912 061G1206221 RST CHIPR 220 OHM +-5% 1/4W R904 061G1206304...
  • Page 51 17" LCD Color Monitor AOC 717Fwy C820 065G0805221 31 CAP CHIP 0805 220PF J 50V NPO C909 065G0805471 21 CAP CHIP 0805 470PF J 25V NPO C912 065G1206102 72 CAP CHIP 1206 1000PF K 500V X7R C929 065G1206102 72 CAP CHIP 1206 1000PF K 500V X7R...
  • Page 52: Different Parts List

    17" LCD Color Monitor AOC 717Fwy 12. Different Parts List Diversity of T77HRDNQBWA16N Compared with T77HRDNQBWA15N Location Location Location 007G 5 1 A COMPOUND PALLET 007G 5 10 1 COMPOUND PALLET CBPC8SRDA1Q3 MAIN BOARD KEPC8QK7 KEPC BOARD Q44G 10 1...

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