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AOC TS185LB, Service Manual

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AOC TS185LB Service Manual Download Page 5

 

5 

2. LCD Monitor Description 

The LCD Monitor will contain a main board, an adapter 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.

 

 
 
 
 

 

 

 

 
 
 
 
 
 
 
 

 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Video signal, DDC 

Power Board 

Flat Panel and 

LED backlight 

Main Board 

RS232 Connector 

For white balance 

adjustment in 

factory mode 

HOST Computer 

CCFL Drive 

AC-IN 

100V~240V 

Monitor Block Diagram 

Key board

Summary of Contents for TS185LB

Page 1: ...iption 5 3 Operation Instructions 6 3 1 General Instructions 6 3 2 Control Buttons 6 3 3 Adjusting the Picture 8 4 Input Output Specification 10 4 1 Input Signal Connector 10 4 2 Factory Preset Displa...

Page 2: ...2 Revision List Version Release Date Revision History TPV Model Name A00 Dec 31 2011 Initial release T8BMT6NEX91UNN...

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: ...eo Signal Analog 0 7Vp p standard 75 OHM Positive Maximum Screen Size Horizontal 409 8mm Vertical 230 4mm Power Source 100 240V 50 60Hz 1 5A Environmental Considerations Operating Temp 0 to 40 C Stora...

Page 5: ...ss 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 Video signal DDC Power Board Flat Panel and LED ba...

Page 6: ...ower button to turn on the monitor position The power indicator will light up 3 2 Control Buttons EXTERNAL CONTROLS 1 Auto Exit 2 ECO 3 Image Ratio 4 MENU ENTER 5 Power Button FRONT PANEL CONTROL Powe...

Page 7: ...he monitor on NOTES Do not install the monitor in a location near heat sources such as radiators or air dusts or in a place subject to direct sunlight or excessive dust or mechanical vibration or shoc...

Page 8: ...ave select the exit function If you want to adjust any other function repeat steps 2 3 ADJUSTING THE PICTURE The descriptions for function control Main Menu Item Main Menu Icon Sub Menu Item Sub Menu...

Page 9: ...ble or Enable Green Field Mode Sky blue on or off Disable or Enable Sky blue Mode AutoDetect on or off Disable or Enable AutoDetect Mode Demo on or off Disable or Enable Demo Picture Boost Frame Size...

Page 10: ...l Clock 8 B Ground 4 2 Factory Preset Display Modes STANDARD RESOLUTION HORIZONTAL FREQUENCY KHz VERTICAL FREQUENCY Hz VGA 640 480 60Hz 31 469 59 940 640 480 72Hz 37 861 72 809 640 480 75Hz 37 500 75...

Page 11: ...neral Feature Contrast ratio 700 1 Response time 5ms Brightness 200nits WXGA 1366 x 768 pixels resolution DE Data Enable only mode LVDS Low Voltage Differential Signaling interface RoHS compliance TCO...

Page 12: ...12 4 3 4 ELECTRICAL CHARACTERISTICS Ta 25 2 C 4 3 5 BACKLIGHT UNIT Ta 25 2 C 4 3 6 BLOCK DIAGRAM...

Page 13: ...DDC1_SDA DDC1_SCL CMVCC1 EDID_CTRL 03 Scalar DSUB_R DSUB_G DSUB_SOG DSUB_B DSUB_R DSUB_G DSUB_B DSUB_H DSUB_V Adj_BACKLIGHT VCC1 8 VCC3 3 PA 0 1 PB 0 9 DDC1_SDA DDC1_SCL DET_CABLE on_BACKLIGHT PPWR_O...

Page 14: ...Start Circuit R908 PWM Control IC Transformer Diode rectifier Filter AC input Transformer PT801 Inverter Connector ON OFF Feedback Circuit Over Voltage Protect MOSFET Q805 Q806 PWM Control IC Feedbac...

Page 15: ...R109 390R 1 16W 1 C101 47nF 16V R116 75 OHM 5 1 16W R114 100R 1 16W 5 GND POWER DSUB_5V DGND R122 NC ESD_5V H_Sy nc DSUB_SDA DDC1_SDA 5 C434 0 22uF ESD_5V ESD_5V DSUB_H 5 DSUB_V 5 DET_CABLE 5 DSUB_R...

Page 16: ...PA9 PA8 EE_WP R481 0R05 1 16W R455 NC R454 NC NC 1 E1 2 E2 3 VSS 4 SDA 5 SCL 6 WC 7 VCC 8 U403 NC M24C04 WMN6TP VCC3 3 PB1 PB 0 9 PB0 PB4 PB2 PB3 PB5 R482 NC KEY2 1 2 X401 14 31818MHz PB8 PB9 PB6 MSDA...

Page 17: ...27 28 29 30 CN403 NC CONN C419 100N16V R433 10K 1 16W 5 PANEL_VCC PANEL_VCC CMVCC OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME T P V Top Victory Electronics Co Ltd Key Component 1 A 6 7 Monday...

Page 18: ...39 10K 1 16W 5 Q406 MMBT3904 C425 NC R448 NC 4K7 1 16W 5 C422 100N16V R449 NC C428 100N16V 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 1 2 3...

Page 19: ...4W NR901 NTCR R930 100 OHM 1 4W R905 470R 1 10W 5 R919 150R 1 8W 5 C916 0 001uF C923 0 001uF R902 620K OHM 1 4W HS4 NC 1 2 U902 PC123X2YFZOF 1 2 4 3 L901 30mH 1 4 2 3 U903 KIA431A AT P R912 100 OHM 1...

Page 20: ...6KOHM 1 10W Q807 MMBT2907 1 2 3 ON OFF DIM C813 1000PF 50V Q808 MMBT3904 C807 R841 1 5K 1 10W 1 C820 NC 5pF 3KV C804 NC 5pF 3KV C802 1000uF25V Q811 RK7002 R807 10K 1 10W 1 Q802 PDTA144WK R842 1 5K 1...

Page 21: ...e Sheet of TPV MODEL PCB NAME T P V Top Victory Electronics Co Ltd Key Component R005 1K 1 10W 5 OK LED_1 Power LED_1 LED_2 LED DC_POWERON LED01 LED 3 4 1 2 LBADC2 LBADC1 UP R002 2K 1 10W 5 MENU C004...

Page 22: ...22 7 PCB Layout 7 1 Main Board 715G4488M01000004L...

Page 23: ...23...

Page 24: ...24...

Page 25: ...25 7 2 Power Board 715G2892 7 2...

Page 26: ...26 7 3 Key Board 715G3584K01000004F...

Page 27: ...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 28: ...ned 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 power board and check connections OK NG OK NG...

Page 29: ...s the power button is OK Check the LVDS FFC cable or panel The end NG OK OK NG Replace the main board Replace the power board and connection Replace the LVDS FFC cable or panel NG The end Replace the...

Page 30: ...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 31: ...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 32: ...Normal color Normal color temp parameter is x 302 30 y 318 30 Y 150cd m2 C MEM CHANNEL 9 Cool color Cool color temp parameter is x 283 30 y 297 30 Y 130cd m2 D MEM CHANNEL 10 sRGB color sRGB color tem...

Page 33: ...30 y 297 30 Y 130cd m2 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 reached the value G 100...

Page 34: ...34 10 Monitor Exploded View...

Page 35: ...PANEL 1 6 0G1G1030 6120 SCREW 4 7 0G1G1030 6120 SCREW 1 8 NA POWER BOARD 1 9 NA MAIN BOARD 1 10 NA MAIN_FRAME 1 11 NA REAR COVER 1 12 NA HINGE 21 5 1 13 NA STAND COVER 1 14 0M1G1740 10 47 CR3 SCREW 4X...

Page 36: ...0P 30P 140MM 2nd Source 708G8038 CP06A OTS 40 2592 052G 1185 1 BIG TAPE Y1200141 Q50G 4 10 TIE Y1900221 E750 750GLM185B1723N000 LCD M185B1 L07 C6 66 NH CMI 2nd Source E750 750GLM185B1732N000 LCD M185B...

Page 37: ...5LB USER MANUAL Q44G8038600 2A ARTWORK CARTON Q45G 88609203 N epe bag Q52G1001211 B ZA AL FOIL E09501 S95G80183H92 HARNESS 30P 30P 140MM S95F80183W92Z 3H92 F03301 033F100JR24E30 A10004A S30 01 033F204...

Page 38: ...0UF 20 25V 6 3 11 CD263 C427 067G 3051014PT EC 100UF 20 25V 6 3 11 CD263 709G4488 QA001 CONSUMPTIVE ASS Y SMTCBT6E1Q1 MAIN BOARD SMT U401 056G 562431 SCALER RTD2270LW CG LQFP 64 U404 056G 563520 LDO L...

Page 39: ...ST 0402 100R 5 1 16W TA I R405 061G0402101 JI bEST ONLY RST 0402 100R 5 1 16W TA I R117 061G0402101 JI bEST ONLY RST 0402 100R 5 1 16W TA I R115 061G0402101 JI bEST ONLY RST 0402 100R 5 1 16W TA I R11...

Page 40: ...08 061G0402103 JT RST CHIP 10K 1 16W 5 TZAI YUAN R407 061G0402103 JT RST CHIP 10K 1 16W 5 TZAI YUAN R404 061G0402103 JT RST CHIP 10K 1 16W 5 TZAI YUAN R118 061G0402103 JT RST CHIP 10K 1 16W 5 TZAI YUA...

Page 41: ...T CHIP 4K7 1 16W 5 TZAI YUAN R107 061G0402750 JI TEST ONLY RST 0402 75R 5 1 16W TA I R112 061G0402750 JI TEST ONLY RST 0402 75R 5 1 16W TA I R116 061G0402750 JI TEST ONLY RST 0402 75R 5 1 16W TA I R11...

Page 42: ...CHIP 0402 100nF 16V X7R C407 065G040210412K T CAP CHIP 0402 100nF 16V X7R C406 065G040210412K T CAP CHIP 0402 100nF 16V X7R C403 065G040210412K T CAP CHIP 0402 100nF 16V X7R C401 065G040210412K T CAP...

Page 43: ...05 FB101 071G 59K190 TA CHIP BEAD 0603 19R 25 FCB1608KF 190T05 D403 093G 64 42 L DIODE LBAV70LT1G SOT 23 LRC D403 093G 64 42 PP BAV70 SOT 23 ZD103 093G 39GA01 T RLZ5 6B ZD103 093G 39S 24 T RLZ 5 6B LL...

Page 44: ...07 067G 40Z10115K EC 100UF 20 450V 18 35 C907 067G215S10115N EC 100UF 20 450V 18 35 5 C925 067G215S1023KS ELCAP 105 1000UF M 16V 13 16MM C920 067G215S1023KS ELCAP 105 1000UF M 16V 13 16MM C802 067G215...

Page 45: ...T 04 Q809 057G 417 4 PMBS3904 PHILIPS SMT 04 Q810 057G 417 4 PMBS3904 PHILIPS SMT 04 Q807 057G 417 16 T SMALLTRAN MMBT2907A 0 6A 60V SOT 23 Q805 057G 417 16 T SMALLTRAN MMBT2907A 0 6A 60V SOT 23 Q808...

Page 46: ...W TA I R918 061G06031002FY RST CHIPR 10KOHM 1 1 10W YAGEO R840 061G06031002FY RST CHIPR 10KOHM 1 1 10W YAGEO R835 061G06031002FY RST CHIPR 10KOHM 1 1 10W YAGEO R832 061G06031002FY RST CHIPR 10KOHM 1 1...

Page 47: ...34702FI RST 0603 47K 1 1 10W TA I R822 061G06034702FT RST CHIP 47K 1 10W 1 R826 061G06034702FT RST CHIP 47K 1 10W 1 R843 061G06034702FT RST CHIP 47K 1 10W 1 R905 061G0603471 JI TEST ONLY RST 0603 470R...

Page 48: ...G1206101 JT RST CHIPR 100 OHM 5 1 4W TZAI YUAN R912 061G1206101 JT RST CHIPR 100 OHM 5 1 4W TZAI YUAN R910 061G1206101 JT RST CHIPR 100 OHM 5 1 4W TZAI YUAN R909 061G1206101 JT RST CHIPR 100 OHM 5 1 4...

Page 49: ...5A5K 3 CAP CHIP 0603 2 2UF K 10V X5R C817 065G0603225A5K 3 CAP CHIP 0603 2 2UF K 10V X5R C810 065G0603225A5K M CAP MLCC 0603 2 2uF K 10V X5R C817 065G0603225A5K M CAP MLCC 0603 2 2uF K 10V X5R C810 06...

Page 50: ...FR103 AO D803 093G 64 1152T SWITCHING IN4148 1A 100V DO 35 D804 093G 64 1152T SWITCHING IN4148 1A 100V DO 35 D804 093G 6451652T 1N4148 J902 095G 90 23 JUMPER WIRE J903 095G 90 23 JUMPER WIRE J904 095G...

Page 51: ...SUMPTIVE ASS Y 052G 1191 GLASS CLOTH 052G 1192 GLASS CLOTH 715G2892 7 2 PWR PCB FR1 SS 184X122X1 6MM T901 S80GL17T47V X FMR POWER 600uH T801 S80GL19T40V XFMR POWER 128uH TPV PT Q34FPE19P07 CASE EEL19...

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