Table of Contents
Advertisement
Quick Links
18.5" 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 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 Display Modes.................................10
4.3.Panel Specification...............................................11
5. Block Diagram............................................................13
5.1 Main Board.....................................................13
5.2.Power Board....................................................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
6.Schematic.............................................................15
6.1.Main Board..........................................................15
6.2.Power Board.................................................19
6.3.Key Board....................................................21
7.PCB Layout...........................................................22
7.1.Main Board..........................................................22
7.2.Power Board.........................................................25
7.3.Key Board.............................................................26
8.Maintainability........................................................27
8.1.Equipments and Tools Requirement......................27
8.2.Trouble Shooting.................................................28
9.White-Balance,Luminance Adjustment..................32
10.Monitor Exploded View.....................................34
11.BOM List...............................................................36
SAFETY NOTICE
1
AOC TS185LB
Horizontal Frequency
30-83 kHz
Page
Advertisement
Table of Contents
Related Manuals for AOC TS185LB
Summary of Contents for AOC TS185LB
-
Page 1: Table Of Contents
18.5" LCD Color Monitor AOC TS185LB Service Service Service Horizontal Frequency 30-83 kHz TABLE OF CONTENTS Description Page Description Page Table Of Contents…………………………………………...1 6.Schematic……………..........15 Revision List………………………………………………..2 6.1.Main Board..………..........15 Important Safety Notice.……......……..3 6.2.Power Board………………………………………..19 1. Monitor Specification......…………..4 6.3.Key Board…………………...….……………………21 2. LCD Monitor Description……………………………..5 7.PCB Layout..…………..........22... -
Page 2: Revision List
Revision List Version Release Date Revision History TPV Model Name Dec.31.2011 Initial release T8BMT6NEX91UNN... -
Page 3: Important Safety Notice
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
1. Monitor Specification Driving system 18.5” TFT Color LCD LCD Panel Size 47.0cm Pixel pitch 0.3mm( H ) x 0.3mm( V ) Video R,G,B Analog Interface Input H-Frequency 30KHz – 83KHz V-Frequency 55-75Hz Display Colors 16.7M Colors Dot Clock 85.5MHz Max. -
Page 5: Lcd Monitor Description
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. -
Page 6: Operation Instructions
3. Operation Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The other control buttons are located at front panel of the monitor (See Figure 4). By changing these settings, the picture can be adjusted to your personal preferences. •... - Page 7 • + /Image Ratio: Activates the Imagic Ratio control when the OSD is OFF or navigate through adjustment icons when OSD is ON or adjust a function when function is activated. • Auto / Exit: 1. When OSD menu is in active status, this button will act as EXIT-KEY (EXIT OSD menu). 2.
-
Page 8: Adjusting The Picture
3.3 Adjusting the Picture HOW TO ADJUST A SETTING 1. Press the MENU-button to activate the OSD window. 2. Press + or - to navigate through the functions. Once the desired function is highlighted, press the MENU-button to activate it. If the function selected has a sub-menu, press + or - again to navigate through the sub-menu functions. - Page 9 V.Position Adjust the vertical position of the picture Image Ratio Wide/4:3 Warm Recall Warm Color Temperature from EEPROM Normal Recall Normal Color Temperature from EEPROM Cool Recall Cool Color Temperature from EEPROM sRGB Recall SRGB Color Temperature from EEPROM Color Temp. User-B Blue Gain from Digital-register User-G Green Gain Digital-register User...
-
Page 10: Input/Output Specification
4. Input/Output Specification 4.1 Input Signal Connector D-Sub 15pin Connector PIN NO. DESCRIPTION PI N NO. DESCRIPTION Green Ground Blue Ground Ground DDC-Serial Data VGA-CON H-Sync R-Ground V-Sync G-Ground DDC-Serial Clock B-Ground 4.2 Factory Preset Display Modes HORIZONTAL VERTICAL STANDARD RESOLUTION FREQUENCY(KHz) FREQUENCY(Hz) -
Page 11: Panel Specification
4.3. Panel Specification M185B1-L07 is a 18.5” TFT Liquid Crystal Display module with 2 CCFL Backlight unit and 30pin 1ch-LVDS interface. This module supports 1366 x 768 WXGA mode and can display up to 16.7M colors. The inverter module for Backlight is not built in. 4.3.1 General Feature - Contrast ratio 700:1 - Response time 5ms. - Page 12 4.3.4 ELECTRICAL CHARACTERISTICS Ta = 25 ± 2 ºC 4.3.5 BACKLIGHT UNIT Ta = 25 ± 2 ºC 4.3.6 BLOCK DIAGRAM...
-
Page 13: Block Diagram
5. Block Diagram 5.1 Main board 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 DSUB_B+ DSUB_B+ DSUB_B- DSUB_B- VCC3.3 CMVCC1 DSUB_H DSUB_H DSUB_V DSUB_V DDC1_SDA DDC1_SDA DDC1_SCL DDC1_SCL DET_CABLE DET_CABLE CMVCC1 CMVCC1 EDID_CTRL EDID_CTRL CMVCC1... -
Page 14: Power Board
5.2 Power board Diode rectifier & Filter Transformer AC input Bridge Rectifier Diode rectifier EMI filter and Filter & Filter Start Circuit: R908 CN902 Feedback Over Circuit Voltage Control IC Protect Transformer MOSFET On/off control (PT801) (Q805, Q806) Control IC ON/OFF Inverter Connector... -
Page 15: Schematic
18.5" LCD Color Monitor AOC TS185LB 6. Schematic 6.1 Main Board 715G4488M01000004L FB102 R104 C101 H_Sy nc VGA_B+ R101 0R05 1/10W R102 100R 1/16W 5% DSUB_H DSUB_B+ V_Sy nc R103 100R 1/16W 5% BEAD DSUB_V 100R 1/16W 5% 47nF 16V... - Page 16 18.5" LCD Color Monitor AOC TS185LB AVDD VCC3.3 VCC1.8 FB401 VCC3.3 AVDD VCC3.3 30 OHM LDO_CTL VCTRL C404 C403 TXE3+ 100N16V 1UF 10V DSUB_R+ TXE3- DSUB_R- PA[0..1] DSUB_G+ PA[0..1] DSUB_G- TXE2+ DSUB_SOG SOG0 TXE2- DSUB_B+ TXE1+ DSUB_B- TXE1- VCC1.8 DSUB_H...
- Page 17 18.5" LCD Color Monitor AOC TS185LB PANEL_VCC PA[0..1] PA[0..1] CN403 PA[4..9] PA[4..9] R477 R434 C420 330 OHM 1/4W NC/150 OHM 1/4W 100N16V PANEL_VCC CN405 PB[0..9] PB[0..9] AO3401L CONN CMVCC NC/CONN 2006-11-7 Add pull up 4K7 to MVCC CMVCC C419 R433...
- Page 18 18.5" LCD Color Monitor AOC TS185LB CMVCC CMVCC1 VCC3.3 VCC3.3 VCC3.3 5, 6 CMVCC R480 R465 R437 R439 2.2 OHM 2W VCC1.8 10K 1/16W 5% R479 CN404 NC/0R05 1/4W BKLT-EN VCC1.8 CMVCC1 Q410 CMVCC MMBT2907A C432 C423 CMVCC1 CMVCC C425...
-
Page 19: Power Board
18.5" LCD Color Monitor AOC TS185LB 6.2 Power Board 715G2892 7 2 R929 100 OHM 1/4W BD901 C916 F801 KBP208G R930 100 OHM 1/4W 0.001uF 0R05 1/4W 5% +14.5V R903 100 OHM 1/4W R904 ZD901 100OHM 2W MTZJ T-72 16B... - Page 20 18.5" LCD Color Monitor AOC TS185LB F801 +14.5V 0 OHM 1/4W R801 C802 2.43K OHM 1% 1/10W 1000uF25V CN801A/NC CONN/NC Q802 Q801 Q804 PDTA144WK SST2222A T801 PDTC144WK POWER X'FMR CN801 CONN ON/OFF Q803 +14.5V R803 C803A C803 Q805 10R 1/10W 5%...
-
Page 21: Key Board
18.5" LCD Color Monitor AOC TS185LB 6.3 Key Board 715G3584K01000004F LED_2# LED_1# LED01 CN001 LBADC2 R002 2K 1/10W 5% LBADC1 DC_POWERON R003 0R05 1/10W 5% LED_1# LED_2# R004 2K 1/10W 5% CONN C003 C004 R005 1K 1/10W 5% 0.1uF 50V 0.1uF 50V... -
Page 22: Pcb Layout
7. PCB Layout 7.1 Main Board 715G4488M01000004L... -
Page 25: Power Board
7.2 Power Board 715G2892 7 2... -
Page 26: Key Board
7.3 Key Board 715G3584K01000004F... -
Page 27: Maintainability
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 28: Trouble Shooting
8.2 Trouble Shooting No Power No power Check power cable is Re-plug the power cable tightened? Check Power “On/Off” Turn on the Power “On/Off” switch is “On”? Check the LED Check the AC power indicate is OK? Replace the power board and check connections Replace main board and check connections Replace key board and check connections... - Page 29 2. No Video (Power LED Blue) No Video (Power LED Blue) Press the power Replace the main board button is OK? Replace the power The end board and connection Replace the main The end board and connection Replace the LVDS/FFC Check the LVDS/FFC cable or panel cable or panel...
- Page 30 3. DIM DIM (image overlap, focus or flicker) Reset in factory mode The end Set to the optimal The end frequency, select the recommended frequency Readjust the phase and pixel The end clock in the user mode Pull out signal cable and Check the signal cable check “Self Test Feature and the PC...
- Page 31 4. Color is not optimal Color is not optimal Color shift Miss color Reset the factory mode Replace the signal cable In the user mode, set the” color settings” until customer satisfy The end Pull out the signal cable and check the screen color display is normal? Replace the signal cable or PC Replace the main board...
-
Page 32: White-Balance,Luminance Adjustment
= 313 ±30, y = 329 ±30, Y>150cd/m 3. Enter into Factory mode of AOC e1620Swb: Press the MENU button, pull out the power cord, and then plug the power cord. You will enter into factory mode. - Page 33 B. Adjust Normal (7300K) color-temperature 1. Switch the chroma-7120 to RGB-Mode (with press “MODE” button) 2. Switch the MEM.channel to Channel 4(with up or down arrow on chroma 7120) 3. The LCD-indicator on chroma 7120 will show x = 302 ±30, y = 318 ±30, Y>150cd/m 4.
-
Page 34: Monitor Exploded View
10. Monitor Exploded View... - Page 35 Item Part Number Description Q'ty BEZEL KEY FUNTION LENS POWER KEY BOARD PANEL 0G1G1030 6120 SCREW 0G1G1030 6120 SCREW POWER BOARD MAIN BOARD MAIN_FRAME REAR COVER HINGE 21.5 STAND COVER 0M1G1740 10 47 CR3 SCREW 4X10 STAND BASE TSS1 FOOT 0M1G 340 8 47 CR3 SCREW AM1G1740 10 47 CR3...
-
Page 36: Bom List
11. BOM List Note: The parts information listed below are for reference only, and are subject to change without notice. Please go to http://cs.tpv.com.cn/hello1.asp for the latest information. T8BMT6NEX91UNN Location Part No. Description Remark 040G 581909 1A Protect label 052G 2191 A PAPER TAPE 052G6019 1... - Page 37 Q34G7045AED 1B0100 STAND Q34G7046AED 1B0100 STAND COVER Q40G0002624A14 POP NU LOGO Q40G0002624B13 NU LOGO LABEL for CARTON Q41G19M1600 3A TS185LB USER MANUAL Q44G8038600 2A ARTWORK CARTON Q45G 88609203 epe bag Q52G1001211 B ZA AL FOIL E09501 S95G80183H92 HARNESS 30P-30P 140MM...
- Page 38 CN404 033G3802 9B Y CONN 2.0 9P CN405 033G804330C H HR WAFER 2*15P 2.0picth R480 061G152M229 64 2.2 OHM 2W 5% MOF CN101 088G 35315F HD D-SUB CONN 15P BLUE - R/A CN101 088G 35315F XH D-SUB 15PIN VERTICAL CONN WITH SCREW X401 093G 22 53 J CRYSTAL 14.31818MHZ/32PF49US...
- Page 39 Q402 057G 417526 SMALLTRAN MMBT3906 -0.2A -40V SOT-23 Q403 057G 417526 SMALLTRAN MMBT3906 -0.2A -40V SOT-23 Q404 057G 417526 SMALLTRAN MMBT3906 -0.2A -40V SOT-23 Q410 057G 417527 SMALLTRAN MMBT2907A -0.6 -60V SOT-23 Q409 057G 417527 SMALLTRAN MMBT2907A -0.6 -60V SOT-23 Q411 057G 763 3 AO4411 SO-8 BY AOS...
- Page 40 R103 061G0402101 JT RST CHIP 100R 1/16W 5% TZAI YUAN R102 061G0402101 JT RST CHIP 100R 1/16W 5% TZAI YUAN R441 061G0402102 JI RST 0402 1K 5% 1/16W TA-I R441 061G0402102 JT RST CHIP 1K 1/16W 5% TZAI YUAN R408 061G0402103 JI TEST ONLY RST 0402 10K 5% 1/16W TA-I R410...
- Page 41 R476 061G0402470 JI RST 0402 47R 5% 1/16W R475 061G0402470 JI RST 0402 47R 5% 1/16W R475 061G0402470 JT RST CHIP 47R 1/16W 5% TZAI YUAN R476 061G0402470 JT RST CHIP 47R 1/16W 5% TZAI YUAN R487 061G0402472 JI TEST ONLY RST CHIP 4.7K 5% 1/16W TA-I R485 061G0402472 JI TEST ONLY RST CHIP 4.7K 5% 1/16W TA-I...
- Page 42 C416 065G040210412K CAP CHIP 0402 100nF K 16V X7R C415 065G040210412K CAP CHIP 0402 100nF K 16V X7R C414 065G040210412K CAP CHIP 0402 100nF K 16V X7R C413 065G040210412K CAP CHIP 0402 100nF K 16V X7R C407 065G040210412K CAP CHIP 0402 100nF K 16V X7R C406 065G040210412K CAP CHIP 0402 100nF K 16V X7R...
- Page 43 C113 065G040247312K CAP 0402 47NF 10% 16V X7R C110 065G040247312K CAP 0402 47NF 10% 16V X7R C109 065G040247312K CAP 0402 47NF 10% 16V X7R C107 065G040247312K CAP 0402 47NF 10% 16V X7R C105 065G040247312K CAP 0402 47NF 10% 16V X7R C101 065G040247312K CAP 0402 47NF 10% 16V X7R...
- Page 44 LED01 081G 14 12 GP CHIP LED GPTD1210YBC5-D LED01 081G 14 12 KT NO-SUGGEST CHIP LED E715 715G3584K01000004F KEY PCB FR4 130x11x1.6mm DS E715 715G3584K01000004K KEY PCB FR4 130x11x1.6mm DS 2nd Source R005 061G0603102 JT RST CHIP 1K 1/10W 5% TZAI YUAN PWPCB921EQDG POWER BOARD H40G 45762429A...
- Page 45 D902 093G 60325 SCHOTTKY SB5150 5A 150V DO-201AD D905 093G 60519 DIODE SR560-MK23 5A/60V DO-27 SECOS D905 093G3006 1 1 31DQ06FC3 NIHON INTER CN902 095G 825 9D549 HARNESS 9P(SCN)-9P(2008) 100MM CN902 095G 825 9X549 HARNESS 9P(SCN)-9P(2008) 100MM 2nd Source 705GQ851001 OIL FOR DISAPPEAR ASS'Y 705GQ857050 Q901 ASS'Y...
- Page 46 R811 061G0603100 JT RST CHIP 10R 1/10W 5% TZAI YUAN R928 061G06031001FI 1EST ONLY RST 0603 1K 1% 1/10W TA-I R920 061G06031001FI 1EST ONLY RST 0603 1K 1% 1/10W TA-I R907 061G06031001FI 1EST ONLY RST 0603 1K 1% 1/10W TA-I R804 061G06031001FI 1EST ONLY RST 0603 1K 1% 1/10W TA-I...
- Page 47 R801 061G06032431FI TEST ONLY RST 0603 2.43K 1% 1/10W TA-I R925 061G06032431FT RST CHIPR 2.43KOHM +-1% 1/10W TZAI YUAN R827 061G06032431FT RST CHIPR 2.43KOHM +-1% 1/10W TZAI YUAN R817 061G06032431FT RST CHIPR 2.43KOHM +-1% 1/10W TZAI YUAN R812 061G06032431FT RST CHIPR 2.43KOHM +-1% 1/10W TZAI YUAN R809 061G06032431FT RST CHIPR 2.43KOHM +-1% 1/10W TZAI YUAN...
- Page 48 RJ801 061G1206000 JI RST 1206 MAX0R05 5% 1/4W RJ802 061G1206000 JI RST 1206 MAX0R05 5% 1/4W RJ803 061G1206000 JI RST 1206 MAX0R05 5% 1/4W RJ804 061G1206000 JI RST 1206 MAX0R05 5% 1/4W RJ804 061G1206000 JT RST CHIPR MAX0R05 1/4W TZAI YUAN RJ803 061G1206000 JT RST CHIPR MAX0R05 1/4W TZAI YUAN...
- Page 49 R901 061G1206624 JI RST 1206 620K 5% 1/4W R900 061G1206624 JI RST 1206 620K 5% 1/4W R900 061G1206624 JT RST CHIPR 620 KOHM +-5% 1/4W TZAI YUAN R902 061G1206624 JT RST CHIPR 620 KOHM +-5% 1/4W TZAI YUAN R901 061G1206624 JT RST CHIPR 620 KOHM +-5% 1/4W TZAI YUAN C923 065G060310232K...
- Page 50 Q904 057G 761 16 TRA KTD1028 KEC R904 061G152M10152T RST MOFR 100OHM +-5% 2WS R906 061G152M10452T SY RST MOFR 100KOHM +-5% 2WS FUTABA R924 061G152M39852T SY RST MOF 0.39R 5% 2W C911 065G 2K152 2T6921 CAP CER 1500pF K 2KV Y5P C803A 065G500K1032HT CAP CER 10NF 10% 50V X7R...
- Page 51 J811 095G 90 23 JUMPER WIRE J901 095G 90 23 JUMPER WIRE 709G2892 QA001 CONSUMPTIVE 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 S80GL19T40VZ...