AOC 919SWN Service Manual Download Page 18 | Manualshive

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AOC 919SWN Service Manual Download Page 18

18

5.2 Power Board

5V

EMI filter

Start Resistor

(R904,R932,R933)

PWM Control

LD7575A

(IC901)

Transformer

(T901)

AC input

12V

Bridge
Rectifier
and Filter

Feedback

Circuit

Rectifier
diodes

Photo coupler

(IC902)

ON/OFF
DIM

Feedback
Circuit

Transformer

(PT801)

MOSFET

(Q802)

Lamp

Output

Circuit

PWM Control

TL494IDR

(IC801)

12V

Power Switch

(Q901)

Regulator

(IC903)

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Summary of Contents for 919SWN

Page 1: ...tion 5 3 Operation Instruction 6 3 1 General Instructions 6 3 2 Control Buttons and Connections 6 3 3 OSD Menu 8 4 Input Output Specification 13 4 1 Input Signal Connector 13 4 2 Preset Display Modes...

Page 2: ...2 Revision List Version Release Date Revision History TPV Model Name A00 Dec 14 2011 Initial release T9BAR5NEWKA1NNE...

Page 3: ...ay create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from AOC AOC assumes no liability express or implied arising o...

Page 4: ...1440by 900 60 Hz Plug Play VESA DDC2B CI Input Connector D Sub 15pin Input Video Signal Analog 0 7Vp p standard 75 OHM Positive Power Source 100 240V 50 60Hz Power Consumption Active 20 W Standby 2 W...

Page 5: ...ightness control logic and DDC The power board will provide DC to DC Inverter voltage to drive the backlight of panel CCFL Drive RS232 Connector For white balance adjustment in factory mode AC IN 100V...

Page 6: ...ont panel of the monitor See Figure By changing these settings the picture can be adjusted to your personal preferences The power cord should be connected Press the power button to turn on the monitor...

Page 7: ...he AC port on the back of the monitor 2 Connect one end of the 15 pin D Sub cable to the back of the monitor and connect the other end to the computer s D Sub port 3 Turn on your monitor and computer...

Page 8: ...button while the monitor is off and then press power button to turn the monitor on To un lock the OSD press and hold the MENU button while the monitor is off and then press power button to turn the m...

Page 9: ...de Gamma Gamma1 Adjust to Gamma1 Gamma2 Adjust to Gamma 2 Gamma3 Adjust to Gamma 3 DCR Off Disable dynamic contrast ratio On Enable dynamic contrast ratio Image Setup Clock 0 100 Adjust picture Clock...

Page 10: ...e Demo Picture Boost Frame Size 14 100 Adjust Frame Size Brightness 0 100 Adjust Frame Brightness Contrast 0 100 Adjust Frame Contrast Hue 0 100 Adjust Frame Hue Saturation 0 100 Adjust Frame Saturati...

Page 11: ...contact with us if your graphic card was not supported i menu software Welcome to use AOC e Saver monitor power management software The AOC e Saver features Smart Shutdown functions for your monitors...

Page 12: ...lcome to Screen software by AOC Screen software is a desktop screen splitting tool it splits the desktop into different panes each pane displays a different window You only need to drag the window to...

Page 13: ...T 31 469 59 94 VGA 640 480 67Hz MAC 35 66 667 VGA 640 480 72Hz DMT 37 861 72 809 VGA 640 480 75Hz DMT 37 5 75 Dos mode 720 400 70Hz DOS 31 469 70 087 SVGA 800 600 56Hz DMT 35 156 56 25 SVGA 800 600 60...

Page 14: ...ormat and 16 7M colors RGB 6 bits HiFRC All input signals are 2 Channel LVDS interface compatible This module does not contain an inverter board for backlight 4 3 2 General Specifications 4 3 3 Electr...

Page 15: ...15 Each signal characteristics are as follows Note LVDS Signal Waveform...

Page 16: ...16 2 Backlight lamp Ta 25 2 C 4 3 4 Optical Characteristics...

Page 17: ...DSUB_B DSUB_V DSUB_R DSUB_G DSUB_B DET_CABLE DSUB_H DSUB_SOG DDC1_SDA DDC1_SCL CMVCC1 EDID_CTRL 04 Output CMVCC PB 0 9 PA 0 1 PPWR_ON PA 4 9 05 Power on_BACKLIGHT Adj_BACKLIGHT VCC1 8 CMVCC VCC3 3 Mut...

Page 18: ...ol LD7575A IC901 Transformer T901 AC input 12V Bridge Rectifier and Filter Feedback Circuit Rectifier diodes Photo coupler IC902 ON OFF DIM Feedback Circuit Transformer PT801 MOSFET Q802 Lamp Output C...

Page 19: ...uF R116 75R 1 16W 5 R114 100R 1 16W 5 GND POWER DSUB_5V DGND R122 NC ESD_5V H_Sy nc DSUB_SDA DDC1_SDA 5 C434 0 22uF16V ESD_5V ESD_5V DSUB_H 5 DSUB_V 5 DET_CABLE 5 DSUB_R 5 DSUB_R 5 DSUB_G 5 DSUB_G 5 D...

Page 20: ...WB EDID HDCP are saved in Flash Befor AOC ID2007 OSD SST LED_ORANGE TOUCH VCC LED_ORANGE TOUCH VCC OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME T P V Top Victory Electronics Co Ltd Key Componen...

Page 21: ...ANEL_VCC CMVCC Q411 NC AO4411 S 1 S 2 S 3 G 4 D 8 D 7 D 6 D 5 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME T P V Top Victory Electronics Co Ltd Key Component T99SRD TVNN F A1981Wx A 6 7 Thursda...

Page 22: ...K1 16W C422 0 1uF 16V R449 NC C428 0 1uF 16V CMVCC MVCC VCC3 3 VCC3 3 VCC3 3 VCC3 3 VCC3 3 VCC3 3 CMVCC1 VCC1 8 CMVCC1 CMVCC1 VCC3 3 R465 NC VCTRL 5 CN404 CONN 1 2 3 4 5 6 7 8 9 R479 NC R450 NC NC R04...

Page 23: ...R940 33K 1 10W F904 NC ZD921 RLZ13B 1 2 R942 1K 1 10W 1 ZD922 RLZ5 1B 1 2 D903 LL4148 ZD923 NC 1 2 HS5 SHIELD H85G0002 1 1 2 CN902 CONN 1 2 3 4 5 6 7 8 9 10 5V1 C932 0 001uF R939 1K 1 8W Q903 PMBS390...

Page 24: ...8W D810 NC R807 10K 1 10W 1 DIM ON OFF R835 1M 1 10W 5 C842 0 01uF C834 0 1uF 25V R827 1K 1 10W 1 R824 1K 1 10W 1 Q802 AM9945N T1 PF S 1 G 2 S 3 G 4 D 8 D 7 D 6 D 5 R818 1K 1 10W 1 F801 0 OHM 1 4W R86...

Page 25: ...G2835 1B X X 4 081201 CN001 CONN 1 2 3 4 5 6 SW005 SW ZD001 NC UDZS5 6B DOWN LBADC2 OK OK DOWN 1 8K UP 3K CONNECTOR LED MENU Power UP 1 8K LBADC1 1 435V 1 042V MENU C006 NC 0 1uF C008 NC 0 1uF ZD004...

Page 26: ...26 7 PCB Layout 7 1 Main Board 715G3244 2 2...

Page 27: ...27...

Page 28: ...28 7 2 Power Board 715G2852 3 11...

Page 29: ...29...

Page 30: ...30 7 3 Key Board 715G2835 2...

Page 31: ...ntainability 8 1 Equipments and Tools Requirement 1 Voltmeter 2 Oscilloscope 3 Pattern Generator 4 DDC Tool with an IBM Compatible Computer 5 Alignment Tool 6 LCD Color Analyzer 7 Service Manual 8 Use...

Page 32: ...is tightened Check Power On Off is On Re plug the power cable Replace main board and check connections Check the LED indicate is OK Check the AC power Replace the converter board OK NG OK NG NG Turn o...

Page 33: ...e Press the power button is OK Check the LVDS FFC cable or panel The end NG OK OK NG Replace the main board Replace the converter board Replace the LVDS FFC cable or panel NG The end Replace the key b...

Page 34: ...y mode Set to the optimal frequency select the recommended frequency Pull out signal cable and check Self Test Feature Check is ok Check the signal cable and the PC Readjust the phase and pixel clock...

Page 35: ...shift Replace the signal cable Pull out the signal cable and check the screen color display is normal The end Replace the signal cable or PC Reset the factory mode In the user mode set the color sett...

Page 36: ...olor temperature 1 Switch the chroma 7120 to RGB Mode with press MODE button 2 Switch the MEM channel to Channel 3 with up or down arrow on chroma 7120 3 The LCD indicator on chroma 7120 will show x 3...

Page 37: ...ove procedure item 4 5 6 until chroma 7120 RGB value meet the tolerance 100 2 D Adjust sRGB color temperature 1 Switch the chroma 7120 to RGB Mode with press MODE button 2 Switch the MEM channel to Ch...

Page 38: ...38 10 Monitor Exploded View...

Page 39: ...033101 EPS H44G9033201 EPS H44G9033615 8A ARTWORK CARTON 919SWN WW H45G 77 6 PE PACKING H45G 87 18 4H A EPE COVER H70G19C161503A 919SWN CD MANUAL KEPCBHA3 KEY BOARD PWPCA921GHD3 POWER BOARD Q33G0170AB...

Page 40: ...006ET NO SUGGEST 30PF 5 SL 3KV TDK C803 065G 3J3006ET NO SUGGEST 30PF 5 SL 3KV TDK C901 065G305M1022BP CAP Y2 1000PF M 250VAC C902 065G305M1022BP CAP Y2 1000PF M 250VAC C900 065G306M3322BP CAP Y1 3 3N...

Page 41: ...OHM 5 1 16W YAGEO R413 061G0402101 JY RST CHIPR 100 OHM 5 1 16W YAGEO R412 061G0402101 JY RST CHIPR 100 OHM 5 1 16W YAGEO R411 061G0402101 JY RST CHIPR 100 OHM 5 1 16W YAGEO R405 061G0402101 JY RST CH...

Page 42: ...0210412K A CAP CHIP 0402 100nF K 16V X7R C428 065G040210412K A CAP CHIP 0402 100nF K 16V X7R C422 065G040210412K A CAP CHIP 0402 100nF K 16V X7R C420 065G040210412K A CAP CHIP 0402 100nF K 16V X7R C41...

Page 43: ...G 100625 TIN STICK_LOW ARGENTUM IC801 056G 379 22 IC TL494IDR SOIC 16 IC901 056G 379107 IC LD7575A PS SOP 8 Q804 057G 417517 Tra LMBT3906LT1G 200mA 40V SOT 23 LRC Q812 057G 417517 Tra LMBT3906LT1G 200...

Page 44: ...RST CHIPR 150OHM 5 1 8W TZAI YUAN R825 061G0805220 JT RST CHIPR 22OHM 5 1 8W TZAI YUAN R829 061G0805220 JT RST CHIPR 22OHM 5 1 8W TZAI YUAN R839 061G0805220 JT RST CHIPR 22OHM 5 1 8W TZAI YUAN R850 06...

Page 45: ...U2 16V X7R 10 C909 065G080547131J F CAP CHIP 0805 470PF J 50V NPO C912 065G120610272K Y CAP 1206 1NF 10 500V X7R C929 065G120610272K Y CAP 1206 1NF 10 500V X7R D801 093G 6433L DIODE LBAV99LT1G SOT 23...

Page 46: ...0 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 JUMPER WIRE J903 095G 90 23 JUMPER WIRE J904 095G 90 23 JUMPER WIRE J906 095G 90 23...

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