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AOC LM760S, Руководство по обслуживанию

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17" LCD Color Monitor

                                                       

            AOC LM760S 

                                                                                                                     

25

7. PCB Layout 

7.1 Main Board 

 

http://www.wjel.net

Содержание LM760S

Страница 1: ...neral Instructions 6 3 2 Control Button 6 3 3 Adjusting the Picture 7 4 Input Output Specification 9 4 1 Input Signal Connector 9 4 2 Factory Preset Display Modes 10 4 3 Power Supply Requirements 11 4...

Страница 2: ...17 LCD Color Monitor AOC LM760S 2 Revision List Revision Date Revision History TPV Model A00 Nov 24 06 First Version Release T780KKNHK4A1NPE h t t p w w w w j e l n e t...

Страница 3: ...may 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...

Страница 4: ...me type 12ms Contrast Ratio 500 1 LCD Panel White Luminance 300cd m2 Sync Type H V TTL H Frequency 30kHz 80kHz Input V Frequency 55 75Hz ON Mode 45W Power Consumption OFF Mode 2W Dot Clock 135MHz Max...

Страница 5: ...d DDC The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage AC IN 100V 240V Power board Include adapter inverter Flat Panel and C...

Страница 6: ...e adjustment function when OSD is ON or Exit OSD menu when in Brightness Contrast Adjust OSD status Brightness Adjust brightness or function adjust Contrast Adjust contrast or function adjust Auto Adj...

Страница 7: ...ange Reset Value Contrast Contrast from Digital register 0 100 Recall Cool Contrast Value Luminance Brightness Backlight Adjustment 0 100 Recall Cool Brightness Focus Adjust Picture Phase to reduce Ho...

Страница 8: ...zontal position of the OSD 0 100 50 V Position Adjust the vertical position of the OSD 0 100 50 OSD Setup OSD Timeout Adjust the OSD timeout 10 120 10 Language Language N A Set OSD language N A The La...

Страница 9: ...en Ground 15 DDC Serial Clock 8 Blue Ground VGA connector layout 1 5 6 10 11 15 4 2 Factory Preset Display Modes 4 3 Power Supply Requirements A C Line voltage range 100 V 240 V A C Line frequency ran...

Страница 10: ...module composed of LCD panel driver ICs control circuit and backlight By applying 6 bit digital data 1280 1024 26 2M color images are displayed on the 17 0 diagonal screen Input power voltage is 12 0...

Страница 11: ...17 LCD Color Monitor AOC LM760S 11 4 4 2 Optical Characteristics h t t p w w w w j e l n e t...

Страница 12: ...17 LCD Color Monitor AOC LM760S 12 4 4 3 Electrical Characteristics h t t p w w w w j e l n e t...

Страница 13: ...17 LCD Color Monitor AOC LM760S 13 5 Block Diagram 5 1 Software Flow Chat 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18 h t t p w w w w j e l n e t...

Страница 14: ...it to green color Scalar initializes 10 In standby mode 11 Update the lifetime of back light 12 Check the analog port are there any signals coming 13 Does the scalar send out an interrupt request 14...

Страница 15: ...U W78E65P 40 U402 Scalar IC TSU17AK Include ADC OSD U401 D Sub Connector CN404 EEPROM M24C02 U405 H sync V sync RGB DB15_SDA DB15_SCL Panel Interface CN101 CN102 OSD Control Interface CN403 Crystal 20...

Страница 16: ...Rectifier and Filter Start Circuit R906 R907 PWM Control IC Transformer Over Voltage Protect Rectifier diodes AC input 12V ON OFF Control PWM Control IC Feedback Circuit Output Circuit Transformer MOS...

Страница 17: ...17 LCD Color Monitor AOC LM760 17 6 Schematic 6 1 Main Board h t t p w w w w j e l n e t...

Страница 18: ...17 LCD Color Monitor AOC LM760 18 h t t p w w w w j e l n e t...

Страница 19: ...17 LCD Color Monitor AOC LM760 19 h t t p w w w w j e l n e t...

Страница 20: ...17 LCD Color Monitor AOC LM760 20 h t t p w w w w j e l n e t...

Страница 21: ...17 LCD Color Monitor AOC LM760 21 h t t p w w w w j e l n e t...

Страница 22: ...17 LCD Color Monitor AOC LM760 22 h t t p w w w w j e l n e t...

Страница 23: ...001uF 160V INR R929 3 9 1 16W CN301 PHONEJACK 5 1 2 4 3 C920 0 001uF 500V C922 1000uF 16V 12V R911 100K 1 10W R914 NC ZD905 RLZ20B C901 0 001uF 160V D912 31DQ06 R917 10 1 4W R928 1K 1 10W R906 1M 1 4W...

Страница 24: ...SR24 R224 1 5K R219 100 R239 12K R234 910 1 4W 12V Q211 2SC5706 1 2 3 C215 22pF 6KV TP6 HVL 1 Q202 DTA144WKA R210 15K C217 22pF 6KV R231 1 5K D208 1N4148 CN202 1 2 3 Q204 SI4431DY T1 4 8 5 6 7 3 2 1 C...

Страница 25: ...17 LCD Color Monitor AOC LM760S 25 7 PCB Layout 7 1 Main Board h t t p w w w w j e l n e t...

Страница 26: ...17 LCD Color Monitor AOC LM760S 26 h t t p w w w w j e l n e t...

Страница 27: ...17 LCD Color Monitor AOC LM760S 27 h t t p w w w w j e l n e t...

Страница 28: ...17 LCD Color Monitor AOC LM760S 28 7 2 Power Board h t t p w w w w j e l n e t...

Страница 29: ...17 LCD Color Monitor AOC LM760S 29 7 3 Key Board h t t p w w w w j e l n e t...

Страница 30: ...User Manual 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 100 240 is normal Measure U701 PIN2 1 8V...

Страница 31: ...lace U402 Replace X402 Measure U701 PIN2 1 8V U702 PIN2 3 3V Check Correspondent component Replace U401 X401 oscillate waveform is normal Replace U701 U702 OK OK OK OK OK NG NG NG NG Check reset circu...

Страница 32: ...evel Measure C104 12V X402 oscillate waveform is normal Check Q704 Q703 are broken or CN101 solder Check Correspondent component Replace PANEL Check Correspondent component Replace U402 OK OK OK Repla...

Страница 33: ...Board Y OSD is unstable or not working Is Keypad Board connecting normally Connect Keypad Board Is Button Switch normally Replace Button Switch Y N N Is Keypad Board Normally Replace Keypad Board N Y...

Страница 34: ...0V or 220V NG Change F901 check BD901 Q903 and IC901 Check the voltage of C905 Check R906 R907 IC901 Check start voltage for the pin3 of IC901 NG Check the auxiliary voltage is smaller than 20V 1 Chec...

Страница 35: ...01 or Q202 Check the pin1 of U201 have saw tooth wave NG OK Change U201 Check D201 D202 have the output of square wave at short time NG OK Check Q203 Q209 Q210 D201 Q204 Q211 Q212 D202 Check the reson...

Страница 36: ...Channel to Channel 3 with up or down arrow on chroma 7120 3 The LCD indicator on chroma 7120 will show x 296 20 y 311 20 Y 180 cd m2 4 Adjust the RED of color1 on factory window until chroma 7120 ind...

Страница 37: ...A265A 2 First connect the instruments together and turn on the LCD power then warm up for 30 minutes under full white screen mode First press the Reset key in the menu to recover factory set as follow...

Страница 38: ...g instrument with PC through printer interface See the schematic picture below 2 Seek the document with the expanded name of BAT in DDC file of this model It appears the indication of Input Serial No...

Страница 39: ...C is in accordance with the real time before writing 2 The schematic picture is just as an example for description the exact content of the DDC is dependent on the serial number of the BARCORD of this...

Страница 40: ...17 LCD Color Monitor AOC LM760S 40 11 Monitor Exploded View h t t p w w w w j e l n e t...

Страница 41: ...231 15528 EVA WASHER 44G3759 1 EPS L 44G3759 2 EPS R 44G3761615 2B CARTON 50G 600 2 HANDLE1 50G 600 3 HANDLE2 52G 1185 MIDDLE TAPE FOR CARTON 52G 1186 SMALL TAPE 52G 1207 A TAPE 52G 1211 A ALUMINIUM T...

Страница 42: ...92 TSU17AK PQFP 128 U702 56G 563 7 AIC1084 33PM U701 56G 563 31 AZ1117D 1 8 EI U404 56G 643 9 EM6353BZ2SP3B 2 9 SOT23 U402 56G1125137CEM W78E65P 40 U403 56G1133 24 AT24C16N 10SC 2 7 U405 56G1133 34 M...

Страница 43: ...C0603 100R R465 61L0603101 RST SM 0603 RC0603 100R R466 61L0603101 RST SM 0603 RC0603 100R R457 61L0603102 RST SM 0603 RC0603 1K P R459 61L0603102 RST SM 0603 RC0603 1K P R704 61L0603102 RST SM 0603 R...

Страница 44: ...PR 470 OHM 5 1 16W R448 61L0603471 CHIPR 470 OHM 5 1 16W R401 61L0603472 RST SM 0603 RC0603 4K7 R436 61L0603472 RST SM 0603 RC0603 4K7 R437 61L0603472 RST SM 0603 RC0603 4K7 R438 61L0603472 RST SM 060...

Страница 45: ...3104 32 CHIP 0 1UF 50V X7R C414 65G0603104 32 CHIP 0 1UF 50V X7R C415 65G0603104 32 CHIP 0 1UF 50V X7R C417 65G0603104 32 CHIP 0 1UF 50V X7R C418 65G0603104 32 CHIP 0 1UF 50V X7R C419 65G0603104 32 CH...

Страница 46: ...3 32 CHIP 0 047UF 50V X7R C709 65G0805105 22 CHIP 1UF 25V X7R 0805 FB413 71G 56G151 A TB160808G151 FB401 71G 56Z601 CHIP BEAD 600 OHM 0805 FB402 71G 56Z601 CHIP BEAD 600 OHM 0805 FB403 71G 56Z601 CHIP...

Страница 47: ...5mm WAFER CN203 33G8021 2D U 3 5mm WAFER CN204 33G8021 2D U 3 5mm WAFER 40G 45762412B CBPC LABEL 51G 6 4500 RTV IC902 56G 139 3A PC123Y22FZOF IC901 56G 379 53 LD7552BN Q209 57G 761 6 2SC5706 PM E Q21...

Страница 48: ...4 Q206 57G 417 4 PMBS3904 PHILIPS SMT 04 Q207 57G 417 6 PMBS3906 PHILIPS SMT 06 Q208 57G 417 6 PMBS3906 PHILIPS SMT 06 Q201 57G 760 5 DTC144WKA BY ROHM SMT Q202 57G 760 4B PDTA144WK SOT346 Q203 57G 76...

Страница 49: ...510K OHM 5 1 8W R904 61L1206754 CHIP 750KOHM 5 1 4W R905 61L1206754 CHIP 750KOHM 5 1 4W R910 61L1206820 2F CHIP 82K OHM 1 1 4W C927 65G0805104 32 CHIP 0 1U 50V X7R C910 65G0805105 22 CHIP 1UF 25V X7R...

Страница 50: ...60212352T 12KOHM 5 1 6W R223 61G 60212352T 12KOHM 5 1 6W R238 61G 60212352T 12KOHM 5 1 6W R239 61G 60212352T 12KOHM 5 1 6W R210 61G 60215352T 15KOHM 5 1 6W R211 61G 60215352T 15KOHM 5 1 6W R220 61G 6...

Страница 51: ...J4740AT 0 47uF 50V C906 65G 2K152 1T6921 1 5NF 2KV Y5P 10 C208 65G 44233113T 330PJNPO 50V C912 65G 444331 5T 330P 50V DIP C908 65G 450104 7T 0 1UF 80 20 50V Y5V C920 65G517K102 5T6213 1000PF 10 Y5P 50...

Страница 52: ...17 LCD Color Monitor AOC LM760S 52 34G1547 GM B BASE 37G6033 2 HINGE Q1G 140 8128 CR3 SCREW Q1G1040 10128 CR3 SCREW H34G0041 GM14B REAR COVER 2F0605100 SCREW NUTS M6 0 P1 0 h t t p w w w w j e l n e t...

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