AOC LM2028 Скачать руководство пользователя страница 53 | Manualshive

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AOC LM2028 Скачать руководство пользователя страница 53

AOC LM2028

Page 53 of 66

034G1392 GM T 19

HINGE COVER

034G1465AAS T

BEZEL(20")

037G 514 2

HINGE

052G 1211512 GP

ALUMINUM TAPE

0M1G 140 10125

SCREW M4X10

0Q1G 330 6120

SCREW

0Q1G 330 6120

SCREW

0Q1G 330 6120

SCREW

0Q1G 330 8120

SCREW 3X8mm

KEPCA92KA3P

KEY

BOARD

CN1

089G176S 10 2

FFC CABLE

AIKA92KA3SMTP

KEY BOARD FOR SMT

SW102

077G 605 1 AL GP

SMD SWITCH

SW101

077G 605 1 AL GP

SMD SWITCH

SW106

077G 605 1 AL GP

SMD SWITCH

SW104

077G 605 1 AL GP

SMD SWITCH

SW105

077G 605 1 AL GP

SMD SWITCH

SW103

077G 605 1 AL GP

SMD SWITCH

LED

081G 14 6 GU GP

MB04-1110SRQGC-P

715G1400 1

KEY BOARD PCB

Q20G 017 1 A1

DIECA STING BASE

T34G1393AGM T

BASE

750GLUA1N02

AU 20.1" V3 PANEL

CBPCA92KAUAOP

MAIN BOARD FOR 20" LCD

CN12 033G800912A

HEADER

2*6P

CN3

033G801724A H

PIN HEADER 24P 2.0mm

CN4 033G801910C

FPC/FFC

CONN

040G 457624 1B

LABEL-CPU

040G 45762412B

CBPC LABEL

R118

061G152M519 64

5.1OHM 2W

R117

061G152M519 64

5.1OHM 2W

CN2

088G 35315F H

D-SUB 15PIN

CN1

088G 35424F H

DV1 CONNECTOR 24PIN

090G 372 2

HEAT SINK

X1

093G 22 53

CRYSTAL 14.318MHzHC-49US

X2

093G 22 58 H

24.576MHZ/20PF/49US

AICA92KAUAOP

MAIN

BOARD FOR 20" LCD

U403

056G 562 85

MST9251-LF

U9

056G 563 25

A1C1084-33PE

U12

056G 563 25

A1C1084-33PE

U8

056G 566 12

AO 4801L

英华家电维修资料专用 QQ:505966338

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Содержание LM2028

Страница 1: ...RE FOR REPAIR SERVICE INFORMATION ONLY EVERY REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL WE CANNOT GUARANTEE THE ACCURACY OFTHIS INFORMATION AFTER THE DATE OF PUBLICATION AND...

Страница 2: ...RAMETER GUIDE LINE FOR CFL INVERTER 10 5 BLOCK DIAGRAM 11 5 1 SOFTWARE FLOW CHART 11 5 2 ELECTRICAL BLOCK DIAGRAM 13 5 2 1 SCALAR BOARD BLOCK DIAGRAM 13 5 3 2 INVERTER POWER BOARD BLOCK DIAGRAM 14 6 S...

Страница 3: ...AOC LM2028 Page 3 of 66 Revision List Version Release Date Revision History TPV Model A00 Jun 29 2005 Initial Release TA92KAUHBAAON A01 Nov 07 2006 Add TPV Model in item 11 TA92KAUDBAA1NP QQ 505966338...

Страница 4: ...k z VESA DPMS compliant z VESA DDC2B compliant 2 LCD MONITOR DESCRIPTION The LCD MONITOR will contain a main board an inverter power board a keypad board which houses the flat panel control logic brig...

Страница 5: ...ntrast from Digital register 0 100 Recall Cool Contrast Value Luminance Brightness Backlight Adjustment 0 100 Recall Cool Brightness Value Focus Adjust Picture Phase to reduce Horizontal Line noise 0...

Страница 6: ...A Set OSD display language to English N A Deutsch N A Set OSD display language to German N A Fran ais N A Set OSD display language to French N A Espa ol N A Set OSD display language to Spain N A Ital...

Страница 7: ...CTOR PIN NO DESCRIPTION PI N NO DESCRIPTION 1 Red 9 NC 2 Green 10 Logic Ground 3 Blue 11 Monitor Ground 4 Monitor Ground 12 DDC Serial Data 5 DDC Return 13 H Sync 6 R Ground 14 V Sync 7 G Ground 15 DD...

Страница 8: ...P 75 000 P 49 500 1024x768 60Hz 1344x806 48 363 N 60 004 N 65 000 1024x768 70Hz 1328x806 56 476 N 70 069 N 75 000 XGA 1024x768 75Hz 1312x800 60 023 P 75 029 P 78 750 1280x1024 60Hz 1688x1066 63 981 P...

Страница 9: ...inch Color TFT LCD ALL input signals are 2 Channel LVDS interface compatible Supports the SXGA H1600Pixel V1200Lines resolution By applying 16 7M colors RGB 8 bit data This module does not contain an...

Страница 10: ...AOC LM2028 Page 10 of 66 4 3 3 OPTICAL CHARACTERISTICS The optical characteristics are measured under stable conditions at 25 Room Temperature 4 3 4 PARAMETER GUIDE LINE FOR CFL INVERTER QQ 505966338...

Страница 11: ...AOC LM2028 Page 11 of 66 5 BLOCK DIAGRAM 5 1 SOFTWARE FLOW CHART 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 QQ 505966338...

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

Страница 13: ...AL BLOCK DIAGRAM 5 2 1 SCALAR BOARD BLOCK DIAGRAM OSD Control Keypad Scalar MST9251 Include ADC OSD U403 MCU W78E65P 40 U402 D Sub Connector CN2 EEPROM 24C02 LCD Interface Crystal Y1 14 318MHz EEPROM...

Страница 14: ...AOC LM2028 Page 14 of 66 5 3 2 INVERTER POWER BOARD BLOCK DIAGRAM Inverter Block Diagram QQ 505966338...

Страница 15: ...AOC LM2028 Page 15 of 66 Power Block Diagram QQ 505966338...

Страница 16: ...rame Memory FSBKSEL0 FSBKSEL1 FSCLK FSCAS FSDQSU2 FSDQSU0 FSDQSU3 FSCLK FSDQSU1 FSDQM0 FSADDR 0 11 FSRAS 2 5V_DMQ FSWE 2 5V_DMC FSDATAU 0 31 FSDQM1 FSCKE 06 MCU 06 MCU RXD ON_PANEL WP_DDC_VGA ON_PBACK...

Страница 17: ...3 7 6 5 GND VCC A0 A1 A2 WP SCL SDA Near the VGA Conn CN1 DVI_CON 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 26 25 C1 C2 C3 C4 C5 RX2 RX2 GND RX4 RX4 SCL SDA VS RX1 RX1 GND RX3 RX...

Страница 18: ...VSSQ VSSQ VSSQ VSSQ VSSQ VSSQ VSSQ VSSQ VSSQ VSSQ VSSQ VSSQ VSSQ VSSQ VSSQ VSSQ VSSQ VSSQ NC NC NC NC NC NC NC NC NC NC NC NC FSCKE 5 FSDATA17 FSADDR3 FSBKSEL0 5 3 RN2 RP 33 X4 1 2 3 4 8 7 6 5 FSDATA3...

Страница 19: ...403 MST9251 LVA1P LVA2M LVA2P LVACKM LVACKP LVA3M LVA3P LVB1P LVB2M LVB2P LVBCKM LVBCKP LVB3M LVB3P VDDC GND VI_DATA 11 VI_DATA 10 VI_DATA 9 VI_DATA 8 REFM REFP RMID VSYNC0 HSYNC1 DDCD_CK DDCD_DA REXT...

Страница 20: ...353 100pF 1 2 R64 4 7K 1 16W MSCL R71 4 7K 1 16W R82 10K 1 16W GND OSD_S4 RIGHT RN9 RP10K X4 1 2 3 4 8 7 6 5 U402 W78E65P 40 EA VP X1 X2 RESET INT0 P3 2 INT1 P3 3 T0 P3 4 T1 P3 5 P1 0 P1 1 P1 2 P1 3 P...

Страница 21: ...uF 16V ADJ_PWM 5 AVDD_DVI TC19 10uF 16V 3 3V 6251 for AVDD_PLL2 5V 3 6 GND APLL C58 0 1uF 25V TC12 10uF 16V U9 AIC1084 33CE VI VO GND C102 0 1uF 16V AVDD_DVI 5 2 5V 2 5MVDD TC24 10uF 16V VDDC C63 1uF...

Страница 22: ...K 0805 R926 2 43K 0805_1 IC902 PC123FY2 4P 1 2 4 3 73L174 26 L FG C923 0 001U_50V J901 NC JUMPER1 1 2 Q902 PMBS3904 3 2 1 C910 102P_50V NPO R904 680k 1206 ZD902 12V SMD V12A R927 9 31K 0805_1 C917 0 1...

Страница 23: ...2062AUE1 AOC Top Victory Electronics Co Ltd Custom 2 2 Friday September 10 2004 Title Size Document Number Rev Date Sheet of L206 CHOKE 1 4 2 3 J201 JUMPER1 1 2 C213 0 27uF 250V C204 0 1uF TP4 HVL 1 P...

Страница 24: ...NE_RIGHT CN303 CONN 1 2 3 4 5 6 7 A_L PHONE_RIGHT A R R103 NC ROUT PC_L_IN ROUT CN305 DIN JACK 8 5 6 S 3 1 27 1 4W 5V R99 NC PC_L_IN PHONE_LEFT LOUT C127 0 1uF 16V MUTE GND MUTE MODE R105 NC 27 1 4W G...

Страница 25: ...0V C115 0 1uF 25V R112 2 7K DIP R116 1K 1 16W Q102 PMBS3904 3 2 1 C111 NC 0 1uF 50V R108 47K 1 16W C106 1000uF 25V R109 3K 1 16W D101 CH3K SB84 Q103 PMBS3906 3 2 1 12V R113 0 1 16W R114 1K 1 16W R110...

Страница 26: ...AOC LM2028 Page 26 of 66 7 PCB LAYOUT 7 1 MAIN BOARD 7 2 KEYPAD BOARD QQ 505966338...

Страница 27: ...AOC LM2028 Page 27 of 66 7 3 POWER BOARD QQ 505966338...

Страница 28: ...8 MAINTAINABILITY 8 1 EQUIREMENT AND TOOLS REQUIREMENT 1 Voltmeter 2 Oscilloscope 3 Pattern Generator 4 DDC Tool with a IBM Compatible Computer 5 Alignment Tool 6 LCD Color Analyzer 7 Service Manual 8...

Страница 29: ...e Sticking Dot Defect Brightness Spot Dot Defect Particle Check Panel Panel Change No display Check Power Board Check Main board Check Panel Change Panel Change Main board Change Power Board Check Key...

Страница 30: ...nel Check LVD Cable Change LVD Cable R G B Display Abnormal Check Single Cable Change Single Cable Check Main board Change Main board Check Panel Change Panel Monitor Shut Down Check Power board Chang...

Страница 31: ...ge Main board Change LVDS Wire LED Off Change Keyboard or Main board or wire Change Keyboard or Main board or wire A Change Wires LED Abnormal LED Dark LED Display Abnormal LED Flicker Abnormal Keyboa...

Страница 32: ...65P 40 NG still no screen OK NG Replace Power board and Re do white balance Measured the inverter connector CN12 Pin6 on off control 5V on Pin8 PWM signal control dim 0V 5V Replace power board to a ne...

Страница 33: ...bridge rectified circuit and F901 circuit Check start voltage for the pin3 of IC901 Check R906 R907 R929 C923 and Change IC901 NG Check the auxiliary voltage is bigger than 10V and smaller than 20V 1...

Страница 34: ...k D201 have the output of square wave at short time Check D202 have the output of square wave at short time NG Check Q205 Q207 Q203 D201 Check Q206 Q208 Q204 D202 Check the resonant wave of pin2 pin5...

Страница 35: ...ss 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 296 10 y 311 10 Y 200 10 cd m2 4 Adjust the RED of color1 on fa...

Страница 36: ...68 26 1E 78 2A 11 45 A4 5A 4A A0 24 32 02 50 54 AD CF 00 81 40 81 80 A9 40 01 01 01 01 4 01 01 01 01 01 01 30 2A 00 98 51 00 2A 40 30 70 64 13 00 90 2C 11 00 00 1E 00 00 00 FF 00 31 32 33 80 34 35 36...

Страница 37: ...SCREW M3X6 4 PCS M1G 330 4128 SCREW M3X4 3 PCS M1G 330 5 47 SCREW 4 PCS M1G1140 6128 SCREW 4X6 1 PCS M1G1730 6128 SCREW M3x6 9 PCS 705LA92KB34001 20 1 LCD COVER ASS Y 1 PCS 750LLUA1N02 AU 20 1 UN02 V3...

Страница 38: ...715L1416 1 PCB BOARD 1 PCS C1 65G0603104 12 CER2 0603 X7R 16V 100N 1 PCS C10 65G0603104 12 CER2 0603 X7R 16V 100N 1 PCS C100 65G0603104 12 CER2 0603 X7R 16V 100N 1 PCS C101 65G0603104 12 CER2 0603 X7R...

Страница 39: ...0603101 31 CER1 0603 NP0 50V 100P 1 PCS C356 65G0603101 31 CER1 0603 NP0 50V 100P 1 PCS C36 65G0603104 12 CER2 0603 X7R 16V 100N 1 PCS C37 65G0603104 12 CER2 0603 X7R 16V 100N 1 PCS C38 65G0603104 12...

Страница 40: ...0603 X7R 16V 100N 1 PCS C77 65G0603104 12 CER2 0603 X7R 16V 100N 1 PCS C78 65G0603104 12 CER2 0603 X7R 16V 100N 1 PCS C79 65G0603104 12 CER2 0603 X7R 16V 100N 1 PCS C8 65G0603103 32 0 01UF 10 50V X7R...

Страница 41: ...6Z601 CHIP BEAD 600 OHM 0805 1 PCS L14 71G 56Z601 CHIP BEAD 600 OHM 0805 1 PCS L15 71G 56Z601 CHIP BEAD 600 OHM 0805 1 PCS L2 71G 57G601 TI3216JIG 1 PCS L3 71G 56Z601 CHIP BEAD 600 OHM 0805 1 PCS L4 7...

Страница 42: ...23 61L0603103 RST SM 0603 RC0603 10K 1 PCS R24 61L0603103 RST SM 0603 RC0603 10K 1 PCS R25 61L0603101 RST SM 0603 RC0603 100R 1 PCS R26 61L0603680 RST SM 0603 RC0603 68R 1 PCS R27 61L0603151 CHIPR 150...

Страница 43: ...RST SM 0603 RC0603 10K 1 PCS R52 61L0603103 RST SM 0603 RC0603 10K 1 PCS R53 61L0603241 CHIP 240 OHM 1 16W 1 PCS R54 61L0603330 CHIPR 33 OHM 5 1 10W 1 PCS R55 61L0603330 CHIPR 33 OHM 5 1 10W 1 PCS R5...

Страница 44: ...CS U10 56G 585 7 RT9164 25PL 1 PCS U11 56G 585 7 RT9164 25PL 1 PCS U12 56L 563 25 AIC1084 33CE T0 252 1 PCS U2 56G1133 34 M24C02 WMN6TP 1 PCS U4 56G 643 8 ASM810MEUR T S0T 23 1 PCS U401 56L 615 9 EM6A...

Страница 45: ...2206ET 22PF 5 3KV TDK 1 PCS C227 65L 3J2206ET 22PF 5 3KV TDK 1 PCS C903 63G 10722410M 0 22 UF 250VAC 1 PCS C905 67G215S10115N PAG450VB100 M L18 35 5M 1 PCS C912 65G306M4722B2 Y1 4700PF 20 250VAC 1 PCS...

Страница 46: ...I AI ASS Y 1 PCS C102 65G0603104 32 CHIP 0 1UF 50V X7R 1 PCS C107 65G0603104 32 CHIP 0 1UF 50V X7R 1 PCS C112 65G0603104 32 CHIP 0 1UF 50V X7R 1 PCS C114 65G0603104 32 CHIP 0 1UF 50V X7R 1 PCS C115 65...

Страница 47: ...AN JIT 1 PCS D203 93G 39S 8 T RLZ11B LLDS 1 PCS D204 93G 39S 8 T RLZ11B LLDS 1 PCS D205 93G 6432V LL4148 GS08 1 PCS D206 93G 6432V LL4148 GS08 1 PCS D207 93G 6432V LL4148 GS08 1 PCS D208 93G 6432V LL4...

Страница 48: ...47K 1 PCS R208 61L0603472 RST SM 0603 RC0603 4K7 1 PCS R209 61L0603472 RST SM 0603 RC0603 4K7 1 PCS R210 61L0603123 CHIP 12K OHM 1 10W 1 PCS R211 61L0603123 CHIP 12K OHM 1 10W 1 PCS R212 61L0603392 C...

Страница 49: ...PR 470 OHM 5 1 4W 1 PCS R922 61L0805102 CHIPR 1K OHM 5 1 8W 1 PCS R923 61L0805000 CHIP O OHM 1 8W 1 PCS R924 61L0805102 CHIPR 1K OHM 5 1 8W 1 PCS R925 61L0805102 CHIPR 1K OHM 5 1 8W 1 PCS R926 61L0805...

Страница 50: ...T 2 PCS T901 6V 31502 1 5MM RIVET 4 PCS 90G6081 4 HEAT SINK 1 PCS M1V1730 8128 SCREW M3x8 1 PCS Q901 57G 724 4 2SK2996 1 PCS 90G6081 4 HEAT SINK 1 PCS M1V1730 8128 SCREW M3x8 2 PCS D910 93G 60237 SRF2...

Страница 51: ...3X8mm 2 PCS KEPCA92KA3 AIKA92KA3SMT KEY BOARD FOR SMT 1 PCS CN1 89G176S 10 2 FFC CABLE 1 PCS 715L1400 1 PCB BOARD 1 PCS LED 81G 14 6 GU GP MB04 1110SRQGC P 1 PCS SW101 77L 605 1 AL TACT SWITCH 1 PCS...

Страница 52: ...E BAG FOR MOUITOR 052G 1185 MIDDLE TAPE FOR CARTON 052G 1186 SMALL TAPE 052G6025 11808 MYLAR 052G6025 11859 MYLAY 052G6025 11926 MYLAR 085G 685 1 SHIELD TOP 085G 686 1 SHIELD SIDE 089G1738GAA 16 SIGNA...

Страница 53: ...D SWITCH LED 081G 14 6 GU GP MB04 1110SRQGC P 715G1400 1 KEY BOARD PCB Q20G 017 1 A1 DIECA STING BASE T34G1393AGM T BASE 750GLUA1N02 AU 20 1 V3 PANEL CBPCA92KAUAOP MAIN BOARD FOR 20 LCD CN12 033G80091...

Страница 54: ...061G 125330 8 RST CHIP AR 8P4R 33 OHM 5 1 16W RN6 061G 125330 8 RST CHIP AR 8P4R 33 OHM 5 1 16W RN7 061G 125330 8 RST CHIP AR 8P4R 33 OHM 5 1 16W RN8 061G 125330 8 RST CHIP AR 8P4R 33 OHM 5 1 16W RN9...

Страница 55: ...0603103 RST CHIPR 10 KOHM 5 1 10W R16 061G0603103 RST CHIPR 10 KOHM 5 1 10W R13 061G0603103 RST CHIPR 10 KOHM 5 1 10W R12 061G0603103 RST CHIPR 10 KOHM 5 1 10W R9 061G0603104 RST CHIPR 100 KOHM 5 1 10...

Страница 56: ...472 RST CHIPR 4 7KOHM 5 1 10W R307 061G0603472 RST CHIPR 4 7KOHM 5 1 10W R305 061G0603472 RST CHIPR 4 7KOHM 5 1 10W R106 061G0603472 RST CHIPR 4 7KOHM 5 1 10W R103 061G0603472 RST CHIPR 4 7KOHM 5 1 10...

Страница 57: ...X7R 16V 100N P C62 065G0603104 12 CER2 0603 X7R 16V 100N P C43 065G0603104 12 CER2 0603 X7R 16V 100N P C46 065G0603104 12 CER2 0603 X7R 16V 100N P C48 065G0603104 12 CER2 0603 X7R 16V 100N P C5 065G06...

Страница 58: ...5G0603104 12 CER2 0603 X7R 16V 100N P C18 065G0603104 12 CER2 0603 X7R 16V 100N P C17 065G0603104 12 CER2 0603 X7R 16V 100N P C104 065G0603104 12 CER2 0603 X7R 16V 100N P C103 065G0603104 12 CER2 0603...

Страница 59: ...BEAD 600 OHM 0805 L13 071G 56Z601 CHIP BEAD 600 OHM 0805 L14 071G 56Z601 CHIP BEAD 600 OHM 0805 L15 071G 56Z601 CHIP BEAD 600 OHM 0805 L3 071G 56Z601 CHIP BEAD 600 OHM 0805 L4 071G 56Z601 CHIP BEAD 6...

Страница 60: ...AC CONN 2P R A 87210 0236 D CN202 033G8021 2D AC CONN 2P R A 87210 0236 D 040G 45762412B CBPC LABEL IC902 056G 139 3A PC123Y22FZOF Q209 057G 761 7 KTD1691P Q210 057G 761 7 KTD1691P Q211 057G 761 7 KTD...

Страница 61: ...TER L903 073G 253150 L CHOCK L101 073G 253162 L CHOKE L901 073L 174 26T1G LINE LILT 0 45MM L902 073L 174 29LSH LINE FILTER SW901 077G 306 14 CJ POWER SWITCH PT202 080GL20T 2 DN X FMR PT201 080GL20T 2...

Страница 62: ...44WKA BY ROHM SMT Q201 057G 760 5 DTC144WKA BY ROHM SMT Q101 057G 763 3 AO4411 SO 8 Q203 057G 763 3 AO4411 SO 8 Q204 057G 763 3 AO4411 SO 8 R107 061G0603000 RST CHIPR 0 OHM 5 1 10W R113 061G0603000 RS...

Страница 63: ...47 KOHM 5 1 10W R201 061G0603473 RST CHIPR 47 KOHM 5 1 10W R108 061G0603473 RST CHIPR 47 KOHM 5 1 10W R241 061G0603513 RST CHIPR 51 KOHM 5 1 10W R240 061G0603513 RST CHIPR 51 KOHM 5 1 10W R236 061G06...

Страница 64: ...50V X7R C102 065G0603104 32 CHIP 0 1UF 50V X7R C229 065G0805102 31 1000PF 50V NPO C228 065G0805102 31 1000PF 50V NPO C910 065G0805102 31 1000PF 50V NPO C923 065G0805102 31 1000PF 50V NPO C202 065G080...

Страница 65: ...02 093G3004 2 SR34 PAN JIT D201 093G3004 2 SR34 PAN JIT D101 093G3004 2 SR34 PAN JIT PW2062AUE1AIP AI ASS Y T901 006G 31502 1 5MM RIVET PT202 006G 31502 1 5MM RIVET PT201 006G 31502 1 5MM RIVET L902 0...

Страница 66: ...T LOW ESR 470UF16V BY HERMEI C922 067G305S4707KT 47UF 50V Q40G 20N615 3A Rating label Q44GA001615 3A CARTON S95G80183031 LVDS HARNESS 033F 205 24 A2005H02 2 12P 033F 303 30TD1 TD00 30H P2407P30 033F20...

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