Table of Contents
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19" 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 Buttons........................................................6
3.3. OSD Menu................................................................7
4. Input/Output Specification........................................9
4.1. Input Signal Connector...........................................9
4.2. Power Supply Requirements....................................9
4.3. Factory Preset Display Modes...............................10
4.4. Panel Specification..........................................10
5. Block Diagram...........................................................14
5.1. Software Flow Chart.........................................14
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..................................16
6.Schematic.........................................................18
6.1.Main Board......................................................18
6.2.Power Board....................................................23
6.3.Key Board.........................................................25
7.PCB Layout.......................................................26
7.1.Main Board....................................................26
7.2.Power Board....................................................28
7.4.Key Board......................................................30
8. Maintainability.....................................................31
8.1.Equipments and Tools Requirement...............31
8.2.Trouble Shooting.............................................32
9. White-Balance, Luminance adjustment................38
10. Monitor Exploded View......................................40
11.BOM List......................................................41
12.Different Parts List..........................................54
SAFETY NOTICE
1
AOC 917Sw
Horizontal Frequency
30-83 KHz
Page
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Summary of Contents for AOC AOC 917Sw
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Page 1: Table Of Contents
19" LCD Color Monitor AOC 917Sw Service Service Service Horizontal Frequency 30-83 KHz TABLE OF CONTENTS Description Page Description Page 5.2.Electrical Block Diagram….......16 Table Of Contents…………………………………………...1 6.Schematic……………..........18 Revision List…………………………………………………2 Important Safety Notice………………………….…………3 6.1.Main Board………..........18 1. Monitor Specification......…………..4 6.2.Power Board...……...........23 2. LCD Monitor Description……………………………..5 6.3.Key Board...……..........25... -
Page 2: Revision List
19" LCD Color Monitor AOC 917Sw Revision List Version Release Date Revision History TPV Model Name T98SM5NBUWA1NN T9RSM5NLUWCKNZ T9RSM5NPUWA5NN T9RSM5NPUWA5NG Feb.-17-2008 Initial release T9RSM5NQUWA2NN T9RSM5NQUWA3NN T9RSM5NQUWA4NN T9RSM5NKUWA2NN... -
Page 3: Important Safety Notice
AOC 917Sw 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
19" LCD Color Monitor AOC 917Sw 1. Monitor Specifications Model number 917Sw Driving system TFT Color LCD Viewable Image Size 481mm diagoanl Pixel pitch 0.2835mm(H) x 0.2835mm(V) LCD Panel Video R, G, B Analog lnterface Separate Sync. H/V TTL Display Color 16.7M Colors... -
Page 5: Lcd Monitor Description
19" LCD Color Monitor AOC 917Sw 2. LCD Monitor Description The LCD monitor will contain a main board, a 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
19" LCD Color Monitor AOC 917Sw 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 the front of the panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences. -
Page 7: Osd Menu
19" LCD Color Monitor AOC 917Sw 3.3 OSD Menu OSD Function Introduction Luminance Adjust Range Description Brightness 0-100 Backlight Adjustment Contrast 0-100 Contrast from Digital-register Standard Mode Standard Text Mode Text Internet Internet Mode Eco mode Game Game Mode Movie Mode... - Page 8 19" LCD Color Monitor AOC 917Sw sRGB Recall SRGB Color Temperature from EEPROM. User-B Blue Gain from Digital-register User-G Green Gain Digital-register. User User-R Red Gain from Digital-register User-Y Yellow Gain from Digital-register User-C Cyan Gain from Digital-register Color Boost...
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Page 9: Input/Output Specification
19" LCD Color Monitor AOC 917Sw 4. Input/Output Specification 4.1 Input Signal Connector Analog connectors Pin No. Description Pin No. Description Red Video Green Video Ground Blue Video N.C. N.C. DDC-Serial Data Detect Cable H-Sync Red Ground V-Sync Green Ground... -
Page 10: Factory Preset Display Modes
19" LCD Color Monitor AOC 917Sw 4.3 Factory Preset Display Modes Horizontal Vertical Stand Resolution Frequency(Khz) Frequency(Hz) 31.47kHz 70.0Hz Dos-mode 720 × 400 640 × 480 31.47kHz 60.0Hz 640 × 480 37.50kHz 75.0Hz 800 × 600 37.879kHz 60.0Hz SVGA 800 × 600 46.875kHz... - Page 11 19" LCD Color Monitor AOC 917Sw 4.4.2 Display Characteristics...
- Page 12 19" LCD Color Monitor AOC 917Sw 4.4.3 Optical Characteristics...
- Page 13 19" LCD Color Monitor AOC 917Sw 4.4.4 Electrical Characteristics (1) TFT-LCD (2) Backlight...
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Page 14: Block Diagram
19" LCD Color Monitor AOC 917Sw 5. Block Diagram 5.1 Software Flow Chat... - Page 15 19" LCD Color Monitor AOC 917Sw 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.
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Page 16: Electrical Block Diagram
19" LCD Color Monitor AOC 917Sw 5.2 Electrical Block Diagram 5.2.1 Main Board Crystal 14.318MHZ Panel Interface (X401) (CN403) Scalar TSUM1PFR FLASH ROM Key Control Interface SST25LF020A (Include ADC, OSD, MCU) (CN402) (U402) (U401) D-Sub Connector (CN101) - Page 17 19" LCD Color Monitor AOC 917Sw 5.2.2 Inverter/Power Board AC input Bridge Rectifier Transformer Rectifier diodes EMI filter and Filter Start Circuit: R932, R933 CN902 Feedback Circuit Control IC ON/OFF Output Transformer MOSFET Circuit ON/OFF Lamp Control Feedback Circuit Control IC Over Voltage （IC801）...
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Page 18: Schematic
19" LCD Color Monitor AOC 917Sw 6. Schematic 6.1 Main Board 715G2904 1 TSUM1PFR SCHEMATIC XGA/SXGA LVDS OUTPUT DSUB_R+ DSUB_R+ VCC1.8 DSUB_R- DSUB_R- DSUB_G+ DSUB_G+ VCC3.3 DSUB_G- DSUB_G- VCC1.8 DSUB_SOG DSUB_SOG CMVCC DSUB_B+ DSUB_B+ DSUB_5V DSUB_B- DSUB_B- VCC3.3 CMVCC1 DSUB_H... - Page 19 19" LCD Color Monitor AOC 917Sw H_Sy nc R101 0R05 1/10W 5% R102 100R 1/16W 5% DSUB_H V_Sy nc R103 100R 1/16W 5% FB102 DSUB_V R104 C101 VGA_B+ DSUB_B+ VCC3.3 R105 R106 C102 C103 BEAD 2K2 1/16W 5% 2K2 1/16W 5% 100R 1/16W 5% 0.047uF...
- Page 20 19" LCD Color Monitor AOC 917Sw AVDD VDDP VDDC VCC3.3 VDDP AVDD FB401 U401 VCC3.3 300OHM VCTRL VCTRL C403 C404 LVA3P 0.1uF/16V 0.1uF/16V DSUB_R+ RIN0P LVA3M DSUB_R- RIN0M PA[0..1] DSUB_G+ GIN0P PA[0..1] DSUB_G- GIN0M LVA2P DSUB_SOG SOGIN0 LVA2M DSUB_B+ BIN0P...
- Page 21 19" LCD Color Monitor AOC 917Sw PANEL_VCC CN403 PA[0..1] PB[0..9] PA[0..1] PB[0..9] R434 C420 PA[4..9] PA[4..9] 330 OHM 1/4W 0.1uF/16V CMVCC AO3401L CMVCC R433 C419 R435 10K 1/16W 5% 0.1uF/16V PANEL_VCC 4K7 1/16W 5% Q405 AO3401 R436 FB402 CONN 100K 1/16W 5%...
- Page 22 19" LCD Color Monitor AOC 917Sw ESD_VCC 2 DSUB_5V CMVCC DSUB_5V 2 5, 6 CMVCC VCC3.3 VCC3.3 D403 D401 BAT54C BAV99 CN404 VCC3.3 R437 R439 CMVCC1 SM340A D402 10K 1/16W 5% 10K 1/16W 5% CMVCC CMVCC1 CMVCC BKLT-EN VCC1.8 Q410...
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Page 23: Power Board
19" LCD Color Monitor AOC 917Sw 6.2 Power Board 715G2538-5 1/4W R918 F902 0R05 1/4W 1K 1/4W 1K 1/4W 1K 1/4W 1K 1/4W +12V 1/4W R919 L904 C912 1.1uH 0.001uF ZD902 1/4W R920 RLZ16B C917 C918 C922... - Page 24 19" LCD Color Monitor AOC 917Sw T801 POWER X'FMR D805 R817 R821 R855 C839 BAW56 10K 1/10W 1K 1/10W 1% CN801 1/4W 1000pF CONN F801 C819 0R05 1/4W 0.0022uF +12V C801 C802 10pF/6KV 470uF/25V C824 R801 D801 3.6K 1/10W 0.1uF...
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Page 25: Key Board
19" LCD Color Monitor AOC 917Sw 6.3 Key Board 715G2834-1 CN001 LBADC1 R001 2K 1/10W LBADC2 DC_POWERON R002 0R05 1/10W 5% LED_GRN# LED_GRN# LED_GRN# LED_RED# LED_RED# LED_RED# R003 2K 1/10W C005 R004 1K 1/10W 5% NC/0.001uF CONN C003 C004 C001 C002 NC/0.001uF... -
Page 26: Pcb Layout
19" LCD Color Monitor AOC 917Sw 7. PCB Layout 7.1 Main Board 715G2904 1... - Page 27 19" LCD Color Monitor AOC 917Sw...
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Page 28: Power Board
19" LCD Color Monitor AOC 917Sw 7.2 Power Board 715G2538-5... - Page 29 19" LCD Color Monitor AOC 917Sw...
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Page 30: Key Board
19" LCD Color Monitor AOC 917Sw 7.3 Key Board 715G2834-1... -
Page 31: Maintainability
19" LCD Color Monitor AOC 917Sw 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 32: Trouble Shooting
19" LCD Color Monitor AOC 917Sw 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 100V-240V is normal Reinsert or check the power section Check C423(+)=1.8V... - Page 33 19" LCD Color Monitor AOC 917Sw No picture (LED orange) No picture The button if under X401 oscillate Replace X401 waveform is normal control Check reset circuit of Check Correspondent component U401 is normal Check C423(+)=1.8V; U404 Vout=3.3V Replace U401...
- Page 34 19" LCD Color Monitor AOC 917Sw White screen White screen Measure Q404 base X401 oscillate waveform is normal is low level? Replace X401 Check CN403 is solder Check reset circuit of and Q405 is OK U401 is normal Check Correspondent Check Correspondent component.
- Page 35 19" LCD Color Monitor AOC 917Sw 8.2.2 Power/Inverter Board 1.) 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 circuit...
- Page 36 19" LCD Color Monitor AOC 917Sw 2.) W / LED, No Backlight Check CN902 pin4, 5 = 12V Check adapter or MB Check ON/OFF signal Check Interface board Check IC801 PIN12=12V Change Q808 Check IC801 PIN10, 9 have the output of square wave at short Change IC801 Check Q802, Q803 PIN5, 6, 7, 8 have the output of square wave at short time.
- Page 37 19" LCD Color Monitor AOC 917Sw 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?
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Page 38: White-Balance, Luminance Adjustment
= 313 ±30, y = 329 ±30, Y= 230cd/m 3. Into Factory mode of AOC 917Sw: 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 19" LCD Color Monitor AOC 917Sw 4. Adjust the RED on factory window until chroma 7120 indicator reached the value R=100 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.
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Page 40: Monitor Exploded View
19" LCD Color Monitor AOC 917Sw 10. Monitor Exploded View... -
Page 41: Bom List
19" LCD Color Monitor AOC 917Sw 11. BOM List T98SM5NBUWA1NN Location Part No. Description Remark 040G 58162461A EPA LABEL 044GH600 1 HANDLE 2 050G 600 4 HANDLE 1 052G 1150 C INSULATING TAPE 052G 1186 SMALL TAPE 052G 1211 A Conductive Tape 55mm *45mm *0.08mm... - Page 42 19" LCD Color Monitor AOC 917Sw CN404 033G3802 9 WAFER 9P RIGHT ANELE PITCH CN403 033G801930F CH JS CONNECTOR C427 067G 3151014KV EC 105℃ CAP 100UF M 25V C426 067G 3151014KV EC 105℃ CAP 100UF M 25V C423 067G 3151014KV EC 105℃...
- Page 43 19" LCD Color Monitor AOC 917Sw R420 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R413 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R412 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R411 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R405 061G0402101...
- Page 44 19" LCD Color Monitor AOC 917Sw C417 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C416 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C415 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C414 065G0402104 15 MLCC 0402 0.1UF K 16V X5R...
- Page 45 19" LCD Color Monitor AOC 917Sw 052G6026 3 MESH PRINTTING PAPER Q406 057G 417518 TRA LMBT3904LT1G 200MA/40V SOT-23 LRC ZD103 093G 39S501 T LUDZS5.6BT1G BY LRC ZD104 093G 39S501 T LUDZS5.6BT1G BY LRC KEPC7QK7 KEY BOARD G2834-A-X-X-1-070809 CN001 033G3802 6H WAFER 6P RIGHT ANGLE PITCH 2.0...
- Page 46 19" LCD Color Monitor AOC 917Sw R908 061G152M104 64 100KOHM 5% 2W R914 061G152M228 64 0.22 OHM 5% 2W C903 063G 10747410V 0.47UF 275VAC ARCO C903 063G107K474 6S CAP X2 0.47UF K 275VAC C801 065G 6J1006ET 10PF 5% SL 6KV...
- Page 47 19" LCD Color Monitor AOC 917Sw CN901 087G 501 37 S AC INLET ST-01DG-B2K-K BD901 093G 50460 28 BRIDGE DIODE KBP208G LITEON BD901 093G 50460510 2KBP08M 2A 800V D907 093G3006 1 1 31DQ06FC3 NIHON INTER CN902 095G8014 9D 57 HARNESS 9P-9P 210MM...
- Page 48 19" LCD Color Monitor AOC 917Sw Q810 057G 759 2 RK7002FD5T116 SOT-23 BY ROHM Q808 057G 760 4A DTA144WN3/S SOT-23 Q808 057G 760 4B PDTA144WK SOT346 Q805 057G 760 5A DTC 144WN3/S SOT-23 Q805 057G 760 5B PDTC144WK SOT346 Q802...
- Page 49 19" LCD Color Monitor AOC 917Sw R861 061G0603390 3F RST CHIPR 390 KOHM +-1% 1/10W R807 061G0603470 2F RST CHIPR 47 KOHM +-1% 1/10W R820 061G0603470 2F RST CHIPR 47 KOHM +-1% 1/10W R806 061G0603680 2F RST CHIPR 68K OHM +-1% 1/10W...
- Page 50 19" LCD Color Monitor AOC 917Sw R920 061G1206101 RST CHIPR 100 OHM +-5% 1/4W R919 061G1206101 RST CHIPR 100 OHM +-5% 1/4W R918 061G1206101 RST CHIPR 100 OHM +-5% 1/4W R921 061G1206102 RST CHIPR 1K OHM +-5% 1/4W R922 061G1206102...
- Page 51 19" LCD Color Monitor AOC 917Sw C845 065G0805225 12 CAP CHIP 0805 2.2UF K 16V X7R C912 065G1206102 72 CAP CHIP 1206 1000PF K 500V X7R C929 065G1206102 72 CAP CHIP 1206 1000PF K 500V X7R D801 093G 64 33...
- Page 52 19" LCD Color Monitor AOC 917Sw J806 095G 90 23 JUMPER WIRE J807 095G 90 23 JUMPER WIRE J817 095G 90 23 JUMPER WIRE J815 095G 90 23 JUMPER WIRE J906 095G 90 23 JUMPER WIRE J904 095G 90 23...
- Page 53 Q45G 88606 16 PE BAG FOR CLAMP Q45G 88607 72 PE BAG Q50G 4 10 Q52G 1185 99 BIG CARTON TAPE FOR AOC 041G780061554A SERVICE CENTER LIST Q45G 76 28 RN PE BAG MANUAL Q70G900261527A CD MANUAL 040G 58162435A P/N LABEL FOR MANUAL PE BAG...
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Page 54: Different Parts List
19" LCD Color Monitor AOC 917Sw 12. Different Parts List Diversity of T9RSM5NLUWCKNZ Compared with T98SM5NBUWA1NN Location Part No. Description 089G412A18NIS3 POWER CORD/32E1818058 756GQ8CB AA012 MAIN BOARD-CBPCRM5A3Q2 U402 056G1133 81 SST25LF020A-33-4C-SAE SMTCR-U402 100GAMS9000N11 MCU ASS'Y-056G1133 81 Q26G 800504 2 BARCODE LABEL FOR 3... - Page 55 U402 056G1133 81 SST25LF020A-33-4C-SAE SMTCR-U402 100GAMS9000N11 MCU ASS'Y-056G1133 81 Q40G 19N61583A RATING LABEL Q44G9094101 Q44G9094201 Q44G9094615 2C 19 LCD AOC CTN 041G780061513B INPUT NOT SUPPORT CARD 041G780061518B EASE PROGRAM 041G780061545B WARRANTY BOOKLET Q41G780A61510A WARRANTY CARD SA(SPANISH) Q41G780A61511B SA CENTER LIST...
- Page 56 SST25LF020A-33-4C-SAE SMTCR-U402 100GAMS9000N11 MCU ASS'Y-056G1133 81 Q40G 19N61583A RATING LABEL Q44G9094101 Q44G9094201 Q44G909461510A 19 LCD AOC CARTON 041G780061513B INPUT NOT SUPPORT CARD Q41G780A61592A NA WARRANTY CARD Q41G780A61593A EASE CARD Q45G 76 28 C PE BAG FOR MANUAL Q26G 800504 2...
- Page 57 U402 056G1133 81 SST25LF020A-33-4C-SAE SMTCR-U402 100GAMS9000N11 MCU ASS'Y-056G1133 81 Q40G 19N61583A RATING LABEL Q44G9094101 Q44G9094201 Q44G9094615 2C 19 LCD AOC CTN 041G780061513B INPUT NOT SUPPORT CARD 041G780061518B EASE PROGRAM 041G780061545B WARRANTY BOOKLET Q41G780A61510A WARRANTY CARD SA(SPANISH) Q41G780A61511B SA CENTER LIST...
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