AOC TS185 Service Manual Download Page 1

18.5" LCD Color Monitor                                                                                                    AOC TS185 

 

Service 

Service 

Service

                                                                                                                         

 

 

                                                                                                                                                                                 

 

                                             

                                             

                                                   

 

Horizontal Frequency 

                                                                                                                                                                        30-83 kHz 

Table of Contents      

Description

                                                             

Page   Description                              Page 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

   

 

SAFETY NOTICE

 

  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. 

 

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 Button…………….…..............……...............6

3.3.OSD Menu…………….…...........................…...........8

4.Input/Output Specification............……………............11

4.1.Input Signal Connector............………….................11

4.2.Factory Preset Display Modes…….........................11

4.3.Panel Specification.....………...…………................12

5.Block Diagram…….....................………….................15

5.1.Main Board…….…………...………………....….......15

5.2.Power Board……………..……………...….......16

6.Schematic……………........................................17

6.1.Main Board………...........................................17

6.2.Power Board...…….........................................21

6.3.Key Board...…….............................................25

7.PCB Layout..………….......................................26

7.1.Main Board………...........................................26

7.2.Power Board…...............................................28

7.3.Key Board…………….....................................31

8.Maintainability……….........................................32

8.1.Equipments and Tools Requirement...............32

8.2.Trouble Shooting…………..............................33

9.White-Balance, Luminance Adjustment.............37

10.Monitor Exploded View………..…….…............39

11.BOM List…………………………………............41

 

CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING 

Summary of Contents for TS185

Page 1: ...Description 5 3 Operation Instruction 6 3 1 General Instructions 6 3 2 Control Button 6 3 3 OSD Menu 8 4 Input Output Specification 11 4 1 Input Signal Connector 11 4 2 Factory Preset Display Modes 1...

Page 2: ...2 Revision List Version Release Date Revision History TPV Model Name A00 Aug 9 2011 Initial release T8AAR52EX81UAN...

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: ...tive 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 Storage Temp 25 to 55 C Operating Humidity 10 to 8...

Page 5: ...brightness control logic and DDC The power part will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage AC IN 100V 240 Monitor Block Diagram Adapte...

Page 6: ...o the video card Press the power button to turn on the monitor position The power indicator will light up 3 2 Control Buttons EXTERNAL CONTROLS 1 Auto Adjust button Exit 2 Volume 3 Volume 4 MENU ENTER...

Page 7: ...r button to turn the monitor on NOTES Do not install the monitor in a location near heat sources such as radiators or air ducts or in a place subject to direct sunlight or excessive dust or mechanical...

Page 8: ...selected function 4 To exit and save select the exit function If you want to adjust any other function repeat steps 2 3 ADJUSTING THE PICTURE The descriptions for function control LEDS Main Menu Item...

Page 9: ...in from Digital register User Y Yellow Gain from Digital register User C Cyan Gain from Digital register User M Magenta Gain from Digital register Main Menu Item Main Menu Icon Sub Menu Item Sub Menu...

Page 10: ...D V Position Adjust the vertical position of OSD Timeout Adjust the OSD Timeout Language Select the OSD language Extra Auto Config Auto adjust the picture to default DDC CI Turn ON OFF DDC CI Support...

Page 11: ...olor Display Signal Cable 1 5 6 10 11 15 4 2 Factory Preset Display Modes Standard Resolution Horizontal Freq kHz Vertical Freq Hz VGA 640 480 60Hz 31 469 59 940 640 480 72Hz 37 861 72 809 640 480 75H...

Page 12: ...85XW01 The display supports the WXGA 1366 H x 768 V screen format and 16 7M colors RGB 6 bits Hi FRC data All input signals are 1 channel LVDS interface and this module doesn t contain an inverter boa...

Page 13: ...13 4 3 3 Electrical Characteristics TFT LCD Module 1 Power Specification 2 Signal Electrical Characteristics DC Characteristics of each signal are as following AC Characteristics...

Page 14: ...Backlight Unit Parameter guideline for LED driving is under stable conditions at 25 Room Temperature 4 3 4 Optical Characteristics The optical characteristics are measured under stable conditions at...

Page 15: ...d Panel Interface CN405 Key Control Interface CN408 Flash Memory MX25L2026DM1I U402 Crystal 14 31818MHZ X401 Scaler RTD2270S GR Include MCU ADC OSD U401 D Sub Connector CN101 RGB H sync V sync DDC1_SC...

Page 16: ...oard EMI filter Start Resistor R920 R921 R922 PWM Control IC901 Transformer AC input 14 5V Bridge Rectifier and Filter Feedback Circuit Rectifier diodes Photo coupler IC902 5V 5V1 D801 LED CN804 IC LE...

Page 17: ...03 22pF DDC1_SDA 5 VGA_PLUG DSUB_B 5 DSUB_SDA DSUB_SCL R105 2K2 1 16W 5 DDC1_SCL 5 R116 75R 1 16W 5 DSUB_5V VGA_R U102 AZC199 04S 1 2 3 4 5 6 I O1 GND I O2 I O3 VDD I O4 R473 4K7 1 16W 5 VGA_B C101 0...

Page 18: ...CL 4 R419 100OHM1 16W CMVCC1 4 6 7 DSUB_B 4 Q402 LMBT3906LT1G R413 100R 1 16W 5 ZD402 NC UDZSNP5 6B 1 2 C411 22pF R410 10K 1 16W 5 VCTRL 7 F C 2 4 Monday December 21 2009 G3244 2 2 02 Scalar G3244 2 2...

Page 19: ...9 11 13 15 17 19 21 23 25 27 29 PPWR_ON 5 PB7 PB1 C420 0 1uF 16V PB3 PA 0 1 5 PA9 PB8 PA5 R436 100K 1 16W 5 PA5 PB5 PA9 PB9 PB7 PA8 PA 4 9 PB6 Q405 AO3401 PB8 CMVCC 4 5 7 F A 3 4 Monday December 21 2...

Page 20: ...KLT EN CMVCC1 VCC3 3 R448 4 7K1 16W Mute 5 C427 100uF 25V BKLT VBRI Volume R439 10K 1 16W 5 C422 0 1uF 16V VCC1 8 U404 1 2 3 ADJ GND VOUT VIN Mute MVCC on_BACKLIGHT 5 VCTRL 5 C426 NC 100uF 25V R480 2...

Page 21: ...00V R924 6R8 5 1 8W R902 620K 1 1 4W R926 2 2 OHM 1 4W R913 10K 1 10W 1 CN902 Wire Harness 1 2 3 4 5 6 7 8 9 R900 620K 1 1 4W Q901 KTD1028 C906 1500PF2KV D905 31DQ10FC IC902 PC123X2YFZOF 1 2 4 3 DIM_I...

Page 22: ...4 R614 10K 1 10W C603 100N 50V C610 100pF 50V C606 0 47uF 16V R610 10K 1 10W R615 4 7K 1 10W R602 10K 1 10W 5V1 R613 10K 1 10W HS4 HEAT SINK IC601 1 2 R603 10K 1 10W R611 56K 1 10W C614 100N 50V VOL C...

Page 23: ...9 PO1 LED X 8 091112 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME T P V Top Victory Electronics Co Ltd Key Component 5V1 R620 NC 5V1 R626 NC R625 NC ON OFF_OUTPUT DIM_OUTPUT R621 NC R622 NC DIM...

Page 24: ...809 6K2 1 10W 1 R811 0 15 OHM 1 1 4W OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME T P V Top Victory Electronics Co Ltd Key Component A Custom 1 1 Tuesday July 06 2010 715G4128 P02 000 0040 ODM...

Page 25: ...DEL 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 0 1uF 50V SGND C0...

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

Page 27: ...27...

Page 28: ...28 7 2 Power Board Adapter Board 715G3189P02LED001S...

Page 29: ...29...

Page 30: ...30 Converter Board 715G4128P03000004F...

Page 31: ...31 7 3 Key Board 715G3584K01000004K...

Page 32: ...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 33: ...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 34: ...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 35: ...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 36: ...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 37: ...e 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 313 20 y 329 20...

Page 38: ...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 39: ...39 10 Monitor Exploded View...

Page 40: ...SPEAKER 11 MAINFRAME 12 REAR COVER 13 HINGE ASS Y No Part No Description 14 STAND COVER 6 0G1G1030 6120 SCREW MAIN POWER BOARD MAIN_FRAME 16 STAND 7 0M1G1730 6120 SCREW POWER BOARD MAIN_FRAME 17 BASE...

Page 41: ...ARNESS 10P 10P 300MM FQE90742I ECN801 095G801410W906 HARNESS 10P 10P 300MM WDK09071306 2nd source ECN405 095G8018 3DH92 LVDS CABLE 30P 30P 140MM 2nd source ECN804 095G8022 6L515 HARNESS 6P CI1406S 6P...

Page 42: ...AED 1L0100 KEY FUNTION A33G0741 2 1C0100 LENS POWER A34G1407AED 1B0130 BASE TSS1 Q34G7043AED 8B0130 BEZEL Q34G7044AED 3B0100 REAR COVER Q40G 18N624 3A RATING LABEL Q40G0002624A14 POP NU LOGO Q40G00026...

Page 43: ...0UF 20 25V 6 3 11 709G3244 QA001 CONSUMPTIVE ASS Y U401 056G 562266 IC SCALER RTD2270S GR LQFP 64 U404 056G 563 52 LDO AP1117D33G 13 77 U103 056G 662502 IC ESD AZC199 04S R7G SOT23 6L U102 056G 662502...

Page 44: ...061G0402101 JI BEST ONLY RST 0402 100R 5 1 16W TA I R111 061G0402101 JI BEST ONLY RST 0402 100R 5 1 16W TA I R108 061G0402101 JI BEST ONLY RST 0402 100R 5 1 16W TA I R104 061G0402101 JI BEST ONLY RST...

Page 45: ...G0402103 JT RST CHIP 10K 1 16W 5 TZAI YUAN R408 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...

Page 46: ...PR 4 7KOHM 5 1 16W YAGEO 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 R116 06...

Page 47: ...10 065G040247312K A CAP 0402 47NF 10 16V X7R C113 065G040247312K A CAP 0402 47NF 10 16V X7R C101 065G040247312K A CAP 0402 47NF 10 16V X7R C101 065G040247312K T CAP 0402 47NF 10 16V X7R C113 065G04024...

Page 48: ...0 1UF K 50V X7R C004 065G060310432K F CAP CHIP 0603 0 1UF K 50V X7R LED01 081G 14 12 GP CHIP LED GPTD1210YBC5 D LED01 081G 14 12 KT CHIP LED E715 715G3584K01000004F KEY PCB FR4 130X11X1 6MM DS E715 7...

Page 49: ...0603 100P 50V NP0 5 C802 065G060368332K F CAP CHIP 0603 68NF K 50V X7R C802 065G060368332K Y CHIP 0603 68NF 50V X7R C805 065G080522141J A NO SUGGEST 0805 220PF J 100V NPO C805 065G080522141J Y CAP CH...

Page 50: ...057G 763947 MOSFET APM8005KCTRG SOP 8 D801 093G 60S907 T SCHOTTKY B3100B 3A 100V SMB R829 061G0805109 JT RST CHIP 1R 1 8W 5 TZAI YUAN R815 061G12061507FY RST CHIPR 0 15 OHM 1 1 4W YAGEO R811 061G1206...

Page 51: ...AP 105C 470UF M 16V C914 067G215S4713KV EC 470UF 20 16V 10X13 L901 073G 174 65 H2 LINE FILTER 30MH MIN L901 073G 174 65 S2 LINE FILTER 30MH MIN L902 073G 253 91 H IND CHOKE 3 5UH 10 DADONG L903 073G 2...

Page 52: ...R913 061G06031002FF RST CHIPR 10 KOHM 1 1 10W FENGHUA R913 061G06031002FT RST CHIP 10K 1 10W 1 R613 061G0603103 JF RST CHIPR 10K OHM 5 1 10W FENGHUA R614 061G0603103 JF RST CHIPR 10K OHM 5 1 10W FENG...

Page 53: ...KOHM 1 1 10W FENGHUA R915 061G06039311FY RST CHIPR 9 31KOHM 1 1 10W YAGEO R608 061G0805000 JF RST CHIPR 0 OHM 5 1 8W FENGHUA R608 061G0805000 JT RST 0805 0 05R MAX 1 8W R923 061G08051002FF RST CHIPR 1...

Page 54: ...1 4W FENGHUA R901 061G1206624 JF RST CHIPR 620KOHM 5 1 4W FENGHUA R902 061G1206624 JF RST CHIPR 620KOHM 5 1 4W FENGHUA R900 061G1206624 JT RST CHIPR 620 KOHM 5 1 4W TZAI YUAN R901 061G1206624 JT RST...

Page 55: ...6 2 2NF 10 630V X7R C919 065G1206222B2K M CAP 1206 2 2NF 10 630V X7R C920 065G1206222B2K M CAP 1206 2 2NF 10 630V X7R CN901 006G 31500 EYELET IC903 056G 158 10 T LDO IC AZ431AZ AE1 TO 92 150MA 40V TO...

Page 56: ...RE J616 095G 90 23 JUMPER WIRE J900 095G 90 23 JUMPER WIRE J901 095G 90 23 JUMPER WIRE J902 095G 90 23 JUMPER WIRE J903 095G 90 23 JUMPER WIRE J904 095G 90 23 JUMPER WIRE J601 095G 90 23 JUMPER WIRE J...

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