AOC 716Sw Service Manual
AOC 716Sw Service Manual

AOC 716Sw 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 Specifications...............................................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.......................................10
4.1.Input Signal Connector..........................................10
4.2.Factory Preset Display Modes.........................10
4.3.Panel Specification...............................................11
5.Block Diagram.........................................................13
5.1.Software Flow Chart...................................13
5.2.Electrical Block Diagram.............................15
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.Schematic......................................................16
6.1 Main Board.........................................................16
6.2 Power Board........................................................21
6.3 Key Board................................................24
7.PCB Layout................................................25
7.1.Main Board.................................................25
7.2.Power Board..........................................28
7.3.Key Board....................................................29
8.Maintainability.............................................30
8.2.Trouble Shooting..........................................31
10.Monitor Exploded View.................................38
11.BOM List........................................................39
12.Differnent Parts List........................................63
SAFETY NOTICE
1
AOC 716Sw
Horizontal Frequency
36.5-57.75 kHz
Page

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Summary of Contents for AOC 716Sw

  • Page 1: Table Of Contents

    17" LCD Color Monitor AOC 716Sw Service Service Service Horizontal Frequency 36.5-57.75 kHz TABLE OF CONTENTS Description Page Description Page 6.Schematic…………….......…..16 Table Of Contents..……....……...…..1 6.1 Main Board……………..........16 Revision List.…......………....……..2 6.2 Power Board..……..........21 Important Safety Notice.………….…....……..3 6.3 Key Board…………………………………………24 1.Monitor Specifications......………..4 7.PCB Layout..…………........25...
  • Page 2: Revision List

    17" LCD Color Monitor AOC 716Sw Revision List Revision Date Revision History TPV Model T77CMBNQLWA2N T77CMBNPLWXMF Apr.-22-2007 First Version Release T77CMBNPLWXMN T77CMBNQLWA2F May-08-2007 Add CKD model T77CMBDQLWAO2...
  • Page 3: Important Safety Notice

    AOC 716Sw 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 Specifications

    17" LCD Color Monitor AOC 716Sw 1. Monitor Specifications Model number 716Sw Driving system TFT Color LCD Size 39.5 cm ( 17" 16:9) Pixel pitch 0.291mm(H) x 0.291mm(V) LCD Panel Video R, G, B Analog lnterface Separate Sync. H/V TTL...
  • Page 5: Lcd Monitor Description

    17" LCD Color Monitor AOC 716Sw 2. LCD Monitor Description The LCD monitor will contain a main board, power board and a 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 6: Operation Instruction

    17" LCD Color Monitor AOC 716Sw 3. Operating Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The control buttons are located in the front of the monitor. By changing these settings, the picture can be adjusted to your personal preferences.
  • Page 7: Adjusting The Picture

    17" LCD Color Monitor AOC 716Sw 3.3 Adjusting the Picture Adjustment steps: 1. Press the MENU-button to activate the OSD window. 2. Press + or - to select the desired function. 3. Press the MENU-button to select the function that you want to adjust.
  • Page 8 17" LCD Color Monitor AOC 716Sw noise H.Position 0-100 Adjust the verticalposition of the picture. V.Position 0-100 Adjust the horizontal position of the picture. Color Temp. Recall Warm Color Temperature from Warm EEPROM. Recall Normal Color Temperature from Normal EEPROM.
  • Page 9 17" LCD Color Monitor AOC 716Sw V.Position 0-100 Adjust the horizontal position of OSD Timeout 0-100 Adjust the OSD Timeout Language Select the OSD language Extra Auto Config yes or no Auto adjust the picture to default Reset yes or no...
  • Page 10: Input/Output Specification

    17" LCD Color Monitor AOC 716Sw 4. Input/Output Specification 4.1 Input Signal Connector Pin No. Description Pin No. Description Red Video Green Video Ground Blue Video DDC-Serial Data DDC-Return H-Sync Red Ground V-Sync Green Ground DDC-Serial Clock Blue Ground VGA connector layout 4.2 Factory Preset Display Modes...
  • Page 11: Panel Specification

    17" LCD Color Monitor AOC 716Sw 4.3 Panel Specification 4.3.1 Display Characteristics...
  • Page 12 17" LCD Color Monitor AOC 716Sw 4.3.2 Optical Characteristics 4.3.3 Electrical Characteristics TFT LCD Module: Back Light Unit:...
  • Page 13: Block Diagram

    17" LCD Color Monitor AOC 716Sw 5. Block Diagram 5.1 Software Flow Chat...
  • Page 14 17" LCD Color Monitor AOC 716Sw 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 15: Electrical Block Diagram

    17" LCD Color Monitor AOC 716Sw 5.2 Electric Block Diagram Main Board Crystal (14.318MHz) LCD interface (X401) (CN102) EEPROM Scalar TSUM17AWK-LF-1 PM25LV010A (Include MCU, ADC, OSD) (U402) (U401) H sync V sync D-Sub EEPROM Connector M24C16 (CN401) (U406) EEPROM AF24BC02-S1...
  • Page 16: Schematic

    17" LCD Color Monitor AOC 716Sw 6. Schematic 6.1 Main Board TSUM17AK SCHEMATIC SXGA RSDS OUTPUT GNDR GNDR GNDG GNDG GNDB GNDB HSY NC HSY NC VCC1.8 VCC3.3 VSY NC VSY NC DDCA_SDA DDCA_SDA DDCA_SCL DDCA_SCL INPUT_DET INPUT_DET DDC_WP DDC_WP VCC1.8...
  • Page 17 17" LCD Color Monitor AOC 716Sw The type of R713 and R714 are 1206 SOT-223 VCC3.3 R707 VCC3.3 R701 U701 D701 CN701 1K 1/16W R702 BL_ADJ VCC3.3 47R 1/16W P W M SR24 C706 R703 4K7 1/16W 10uF/16V Adj_BACKLIGHT 4...
  • Page 18 17" LCD Color Monitor AOC 716Sw RED+ FB401 R404 C404 0.047uF 0Ω 1/10W 56Ω 1% 1/16W RED- GREEN+ FB402 R406 C406 0.047uF 0Ω 1/10W 56Ω 1% 1/16W GREEN- BLUE+ FB403 R408 C408 0.047uF 0Ω 1/10W 56Ω 1% 1/16W BLUE- PC5V...
  • Page 19 17" LCD Color Monitor AOC 716Sw VDVI VMPLL VPLL AVDD VDDP VDDC VCC3.3 VDDP FB407 VCC3.3 AVDD FB406 C440 VCC3.3 VDVI 120 OHM FB408 VCC3.3 C451 600 OHM C435 0.1uF/16V 10uF/16V 600 OHM C437 0.047uF C430 C431 C432 C433 C434 0.1uF/16V...
  • Page 20 17" LCD Color Monitor AOC 716Sw CN102 PA[2..7] PA[2..7] RA3N FB0N RA1P RA3P FB0P RA1N RA2P RA2N FB1N RA2N RA2P FB1P RA3P RA3N RA1N FB2N RA1P FB2P PA[8..13] PA[8..13] GA3N FG0N GA1P GA3P FG0P GA1N PA10 GA2P GA2N FG1N PA11...
  • Page 21: Power Board

    17" LCD Color Monitor AOC 716Sw 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 22 17" LCD Color Monitor AOC 716Sw 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 23 17" LCD Color Monitor AOC 716Sw 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 24: Key Board

    2007-Jan-02 remove FB101 LBADC1 (1.8K) 1.042V DOWN (1.8K) 1.042V LBADC2 MENU (3.0K) 1.435V CONNECTOR AOC (Top Victory) Electronics Co., Ltd. (OK) (UP) (DOWN) (MENU) (Power) Title CONTROL KEY PAD (Switch) KEY PAD Size Document Number G2528-B-X-X-1-070331 Date: Saturday , March 31, 2007...
  • Page 25: Pcb Layout

    17" LCD Color Monitor AOC 716Sw 7. PCB Layout 7.1 Main Board...
  • Page 26 17" LCD Color Monitor AOC 716Sw...
  • Page 27 17" LCD Color Monitor AOC 716Sw...
  • Page 28: Power Board

    17" LCD Color Monitor AOC 716Sw 7.2 Power Board...
  • Page 29: Key Board

    17" LCD Color Monitor AOC 716Sw 7.3 Key board...
  • Page 30: Maintainability

    17" LCD Color Monitor AOC 716Sw 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. User Manual.
  • Page 31: Trouble Shooting

    17" LCD Color Monitor AOC 716Sw 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 32 17" LCD Color Monitor AOC 716Sw 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 U701 PIN2=3.3V U702 PIN2 =1.8V...
  • Page 33 17" LCD Color Monitor AOC 716Sw White screen White screen Measure Q704 base X401 oscillate waveform is normal is low level? Replace X401 Check Q703, Q704 is Check reset circuit of broken or CN102 solder? U401 is normal Check Correspondent Check Correspondent component.
  • Page 34 17" LCD Color Monitor AOC 716Sw 8.2.2 Power Board 1) No power Check L904 = 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 35 17" LCD Color Monitor AOC 716Sw 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 36 17" LCD Color Monitor AOC 716Sw 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? Replace Key Pad Board Is Key Pad Board normally?
  • Page 37: White-Balance, Luminance Adjustment

    6500 color temp. parameter is x = 313±20, y = 329 ±20, Y =180 cd/m 3. Enter into factory mode of 716Sw 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 38: Monitor Exploded View

    17" LCD Color Monitor AOC 716Sw 10. Monitor Exploded View...
  • Page 39: Bom List

    17" LCD Color Monitor AOC 716Sw 11. BOM List T77CMBNQLWA2N Location Part No. Description 026G 800504 3 BARCODE LABEL 040G 58162461A EPA LABEL 044GH600 1 HANDLE2 050G 600 4 HANDLE 1 052G 1185 MIDDLE TAPE 052G 1186 SMALL TAPE 052G...
  • Page 40 EASE PROGRAM 041G780061532C SA CENTER LIST 041G780061545B WARRANTY BOOKLET Q41G7800615A88 QSG 716SW Q45G 76 28 C PE BAG Q70G700661514A CD MANUAL 716SW A34G0289 GM 1B STAND A37G0031 3 HINGE AM1G1740 10 47 CR3 SCREW M3X6 CN404 033G3802 7 WAFER EH 7...
  • Page 41 17" LCD Color Monitor AOC 716Sw CN801 033G8020 2E F CONNECTOR CN802 033G8020 2E F CONNECTOR 040G 45762420A LABEL 25X6MM IC903 056G 139 7 1 IC EL817MA M-TYPE IC903 056G 139 3A PC123Y22FZOF NR901 061G 58080 WT 8 OHM NCT...
  • Page 42 17" LCD Color Monitor AOC 716Sw L902 S73G17465V TRANSFORER ASS'Y L902 S73G17465VW TRANSFORER ASS'Y L901 S73G17476V FILTER L903 S73G25391V1 TRANSFORER ASS'Y L904 S73G25391V1 TRANSFORER ASS'Y T901 S80GL17T33V TRANSFORER ASS'Y T801 S80GL17T40V TRANSFORER ASS'Y CN102 033G8019 50 CONNECTOR 50P U401 056G 562170...
  • Page 43 17" LCD Color Monitor AOC 716Sw R485 061G0402102 RST CHIPR 1 KOHM +-5% 1/16W R701 061G0402102 RST CHIPR 1 KOHM +-5% 1/16W R475 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R477 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R486 061G0402103...
  • Page 44 17" LCD Color Monitor AOC 716Sw R464 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R468 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R484 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R507 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R703 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W...
  • Page 45 17" LCD Color Monitor AOC 716Sw C428 065G0402220 31 CHIP 22PF 50V NPO C429 065G0402220 31 CHIP 22PF 50V NPO C412 065G0402221 32 MLCC 0402 CAP 220PF J 50V X7R C433 065G0402221 32 MLCC 0402 CAP 220PF J 50V X7R...
  • Page 46 17" LCD Color Monitor AOC 716Sw ZD411 093G 39S 34 T UDZS5.6B D701 093G2004 2 SR24/PANJIT-SMT 715G2575 1 MAIN BOARD PCB R003 061G0603000 RST CHIPR 0 OHM +-5% 1/10W R005 061G0603102 RST CHIP 1K 1/10W 5% R004 061G0603202 RST CHIPR 2 KOHM +-5% 1/10W...
  • Page 47 17" LCD Color Monitor AOC 716Sw Q805 057G 760 5B PDTC144WK SOT346 Q802 057G 763 14 AM9945N R823 061G0603000 RST CHIPR 0 OHM +-5% 1/10W R827 061G0603100 1F RST CHIPR 1 KOHM +-1% 1/10W R824 061G0603100 1F RST CHIPR 1 KOHM +-1% 1/10W...
  • Page 48 17" LCD Color Monitor AOC 716Sw R829 061G0805220 22&8 1/10W R839 061G0805220 22&8 1/10W R850 061G0805220 22&8 1/10W R837 061G0805473 RST CHIPR 47 KOHM +-5% 1/8W R810 061G0805510 2F RST CHIPR 51 KOHM +-1% 1/8W JR902 061G1206000 0 OHM 1/8W...
  • Page 49 17" LCD Color Monitor AOC 716Sw C928 065G0805103 32 10NF/50V/0805/X7R C930 065G0805104 32 CHIP 0.1U 50V X7R C924 065G0805104 32 CHIP 0.1U 50V X7R C916 065G0805104 32 CHIP 0.1U 50V X7R C905 065G0805104 32 CHIP 0.1U 50V X7R C824 065G0805104 32 CHIP 0.1U 50V X7R...
  • Page 50 17" LCD Color Monitor AOC 716Sw ZD921 093G 39S 40 T RLZ 13B LLDS ZD905 093G 39S 44 T RLZ18B LLDS 034FPF20P01 BOBBIN 715G2528 1 KEY BOARD PCB CN901 006G 31500 EYELET IC904 056G 158 10 T IC AZ431AZ-AE1 TO-92 BY AAC...
  • Page 51 17" LCD Color Monitor AOC 716Sw T77CMBDQLWAO2 Location Part No. Description 026G 800504 3 BARCODE LABEL 040G 154501 1 HI-POT GND LABEL 045G 77500 BARCODE RIBBON 045G 77501 BARCODE RIBBON 052G 1174 2A 3M 69# 052G 1185 MIDDLE TAPE 052G...
  • Page 52 17" LCD Color Monitor AOC 716Sw 040G 457624 1B LABEL-CPU 040G 45762412B CBPC LABEL C702 067G305S1013HV 100UF +-20% 16V 105 摄氏度 10UF +-20% 16V C441 067G305V100 3 105 摄氏度 10UF +-20% 16V C426 067G305V100 3 105 摄氏度 10UF +-20% 16V...
  • Page 53 17" LCD Color Monitor AOC 716Sw R416 061G0402102 RST CHIPR 1 KOHM +-5% 1/16W R440 061G0402102 RST CHIPR 1 KOHM +-5% 1/16W R701 061G0402102 RST CHIPR 1 KOHM +-5% 1/16W R718 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R710 061G0402103...
  • Page 54 17" LCD Color Monitor AOC 716Sw R703 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R705 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R709 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R711 061G0402513 RST CHIP 51K 1/16W 5% R404 061G0402560 9F...
  • Page 55 17" LCD Color Monitor AOC 716Sw C718 065G040222322T CHIP 0.022UF 25V X7R C411 065G0402330 31 33PF +-50% 50V NPO C432 065G0402330 31 33PF +-50% 50V NPO C404 065G0402473 12 CHIP 0.047UF 16V X7R C405 065G0402473 12 CHIP 0.047UF 16V X7R...
  • Page 56 17" LCD Color Monitor AOC 716Sw SW003 077G 600 1GCJ TACT SWITCH TSPB-2 -NP SW002 077G 600 1GCJ TACT SWITCH TSPB-2 -NP SW001 077G 600 1GCJ TACT SWITCH TSPB-2 -NP SW005 077G 600 1GCJ TACT SWITCH TSPB-2 -NP SW004 077G 600 1GCJ...
  • Page 57 17" LCD Color Monitor AOC 716Sw T901 080GL17T 33 N POWER X'FMR T901 080GL17T 33 DN XFMR FOR POWER DARFON T801 080GL17T 40 H XFMR INVERTER DADON T801 080GL17T 40 DN X'FMR TK.2001U.101 CN901 087G 501 32 S AC SOCKET...
  • Page 58 17" LCD Color Monitor AOC 716Sw Q806 057G 417 12 T KEC 2N3904S-RTK/PS Q811 057G 417 12 T KEC 2N3904S-RTK/PS Q903 057G 417 12 T KEC 2N3904S-RTK/PS Q804 057G 417 13 T KEC 2N3906S-RTK/PS Q812 057G 417 13 T KEC 2N3906S-RTK/PS...
  • Page 59 17" LCD Color Monitor AOC 716Sw R915 061G0805100 3F RST CHIPR 100KOHM +-1% 1/8W R804 061G0805101 RST CHIPR 100 OHM +-5% 1/8W R826 061G0805102 RST CHIPR 1KOHM +-5% 1/8W R925 061G0805102 RST CHIPR 1KOHM +-5% 1/8W R943 061G0805102 RST CHIPR 1KOHM +-5% 1/8W...
  • Page 60 17" LCD Color Monitor AOC 716Sw C821 065G0603104 22 CHIP 0.1UF 25V X7R C825 065G0603104 22 CHIP 0.1UF 25V X7R C834 065G0603104 22 CHIP 0.1UF 25V X7R C819 065G0603222 22 CHIP 2200PF 25V X7R C823 065G0603222 22 CHIP 2200PF 25V X7R...
  • Page 61 17" LCD Color Monitor AOC 716Sw D806 093G 6432V LL4148-GSO8 D805 093G 6432V LL4148-GSO8 D801 093G 6433P BAV99 D802 093G 6433P BAV99 ZD801 093G 39S 10 T RLZ6.8B LLDS ZD906 093G 39S 20 T RLZ22B LLDS ZD922 093G 39S 25 T RLZ5.1B LLDS...
  • Page 62 17" LCD Color Monitor AOC 716Sw Q44G7051624 1A CARTON Q45G 76 28CK2 PE BAG Q45G 88606 16 PE BAG FOR CLAMP Q45G 88606CK2 PE BAG FOR BASE Q45G 88609122 EPE BAG FOR MONITOR Q52G6020 44 PROTECT FILM Q70G700661514B CD MANUAL...
  • Page 63: Differnent Parts List

    17" LCD Color Monitor AOC 716Sw 12. Different Parts List Diversity of T77CMBNPLWXMF compared with T77CMBNQLWA2N Location Part No. Description 040G 459690 5A HP EXTRA CARTON LABEL 750GLC70WA233V PANEL CLAA170WA02 002 FZ V CPT 750GLC70WA243V PANEL CLAA170WA02 012 FZ V CPT...

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