AOC L20W431 Service Manual Download Page 68

Page: 68 / 83

20’’ LCD TV Color Monitor AOC L20W431

FB117

061V1206000 4

0 OHM 4A 1/4W

FB101

061V1206000 4

0 OHM 4A 1/4W

R120

061V1206229

CHIP 2.2OHM 5% 1/8W

R119

061V1206229

CHIP 2.2OHM 5% 1/8W

R118

061V1206229

CHIP 2.2OHM 5% 1/8W

R117

061V1206229

CHIP 2.2OHM 5% 1/8W

C458

065T0603100 31

CHIP 10PF 50V NPO

C457

065T0603100 31

CHIP 10PF 50V NPO

C459

065T0603100 31

CHIP 10PF 50V NPO

C491

065T0603101 31

CHIP 100PF 50V NPO

C475

065T0603101 31

CHIP 100PF 50V NPO

C474

065T0603101 31

CHIP 100PF 50V NPO

C473

065T0603101 31

CHIP 100PF 50V NPO

C472

065T0603101 31

CHIP 100PF 50V NPO

C471

065T0603101 31

CHIP 100PF 50V NPO

C456

065T0603101 31

CHIP 100PF 50V NPO

C309

065T0603101 31

CHIP 100PF 50V NPO

C259

065T0603101 31

CHIP 100PF 50V NPO

C161

065T0603101 31

CHIP 100PF 50V NPO

C162

065T0603101 31

CHIP 100PF 50V NPO

C239

065T0603102 32

CHIP 1000PF 50V X7R

C238

065T0603102 32

CHIP 1000PF 50V X7R

C245

065T0603103 32

CHIP 0.01UF 50V X7R

C271

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C269

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C268

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C266

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C265

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C264

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C263

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C262

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C261

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C260

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C246

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C247

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C257

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C256

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C255

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C254

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C253

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C252

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C251

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C250

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C249

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C248

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C273

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C136

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C470

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C469

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C446

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C445

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C437

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C435

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C417

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C416

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C288

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

C287

065T0603104 12

MLCC 0603 0.1UF K 16V X7R

Summary of Contents for L20W431

Page 1: ...WHEN SERVICING 7 1 Main Board 29 7 2 Power Board 31 7 3 Tuner Board 33 7 4 IR Board 36 7 5 Earphone Board 37 7 6 Key Board 37 8 Block Diagram 38 9 Schematic 39 9 1 Main Board 39 9 2 Power Board 52 9 3 Tuner Board 53 10 Exploded View 57 11 BOM List 58 12 Different Parts List 77 Table Of Contents 1 Important Safety Notice 2 Revision List 3 1 General Specification 4 2 Operating Instructions 5 2 1 The...

Page 2: ...characteristics might 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 out of any unauthorized modification of design Servicer assumes all liability FOR PRODUCTS CONTAINING LASER DANGER Invisible laser radiations when open AVOID DIRECT EXPOSURE TO BEAM ...

Page 3: ...20 LCD TV Color Monitor AOC L20W431 3 Revision List Version Release Date Revision Instructions TPV Model A00 Sep 18 2006 Initial Release E206MHNSD1A2NP E206MHNKD1A5NP ...

Page 4: ...hones 3 5ø TV Standard NTSC M PAL M PAL N Sound System MTS SAP TV Function Color systems PAL NTSC AV RCA x 1 Audio L R x 1 S Video S Video x 1 Audio L R x 1 COMPONENT Y Cb Cr x 1 Audio channel L Rx 1 Video Inputs YPbPr support timing 480i 576i 480p 576p 720p 1080i include YCbCr input Audio L R x 1 Speaker built in Two 3W speakers Audio Output Audio Output L R Headphone Mini jack for stereo 3 5ø OS...

Page 5: ...it is physically unplugged 0 9 100 Digit buttons To select a TV channel TV VIDEO Select your input source press repeatedly to select TV AV1 AV2 S VIDEO or COMPONENT mode according to where you connected your external source AV1 AV2 for a VCR connected to the AV connectors of the TV S VIDEO for a S Video VCR connected to the S VIDEO connector of the TV COMPONENT for a DVD DTV Set Top Box or another...

Page 6: ...gure below When the input source is TV mode the Sound Setup Picture Setup Child Lock Setup Function Setup and TV Setup can be selected shown in the figure below Sound Setup Same as in PC TV AV S Video and Component modes 1 The range of adjusting volume bass and treble is from 0 100 2 Select ON or OFF in sound selection to control the sound output 3 The range of adjusting Balance is 50 50 when adju...

Page 7: ...om 0 100 2 Position There are two options Horizontal and Vertical which can be adjusted from 50 to 50 3 Video noise There are two options Phase and Clock which can be adjusted from 50 to 50 4 Sharpness Select from five options of Softest Soft Auto Sharp and Sharpest You may adjust the above options according to your preference 5 Auto Adjust Automatically adjust PC input to the optimal screen size ...

Page 8: ...on to adjust the colour saturation of picture 3 Sharpness Select from five options of Softest Soft Auto Sharp and Sharpest You can adjust the sharpness of picture using any option above 4 Tint The range can be adjusted from 50 50 use this option to adjust the colour of picture 5 Dyn Skin tone When the Dynamic skin tone is ON the skin tone of person in the picture becomes more vivid 6 Colour Temp T...

Page 9: ...ild Lock Setup is OFF and the V Chip is disabled 2 Lock code V Chip password can be set up when the code is locked Enter the 4 digit password which you choose The factory default password is 0000 4 Sleep Timer Set the sleeping timer and the alert function which indicates the time left 5 Closed Caption CC setting Select CC1 CC4 TXT1 TXT4 or OFF 6 Reset It is used to reset the OSD settings When the ...

Page 10: ...in the figure below The empty box refers to unlocked the solid box refers to locked 4 Reset to default Reset to the factory default value TV Setting The following menu appears only in the TV mode 1 Channel nr Shows the current channel number 2 Tuning mode Select the mode of TV signal Cable HRC Cable IRC Cable Broadcast 3 System standard NTSC M PAL M PAL N and Auto 4 Auto search Select Auto Search ...

Page 11: ...automatically when there is any offset in the signal it will automatically adjust the channel to the correct position 7 Skip can be set to ON or OFF When it is set to ON a channel can be skipped by pressing the switching button on the remote control or on the front panel 8 Reset to default Reset to the factory default value ...

Page 12: ...sed as the display of the computer AV Receive the video audio signals of the NTSC PAL M N S VIDEO S VHS i e video Y C component Receive the HD Y C component signal Y Pb Pr The modes it supports are HD signals such as 480i 480p 720p and 1080i TV Receive the TV signals of NTSC M PAL M N VIDEO RECORDER How to connect 1 Connect the supplied antenna cable to the RF IN port of your VCR 2 Connect another...

Page 13: ...ou notice scrolling images wrong colors or no color no picture or even combinations of these on your screen check if the connections are done in the right way Check if the cable colors match with the Input connector colors DIGITAL SET TOP BOX Connect the top box to the input port of the component signal How to connect 1 Connect 3 separate component signal cables to the Y Pb and Pr ports of the com...

Page 14: ...MENU Key Press to show the OSD menu and exit OSD menu at the TV Down Up Key Select the intended function by pressing these two keys or switch the channels in the TV mode Key Press to confirm your function selection and adjustment volume Source Key Press to select your input source ...

Page 15: ... the power button is turn off 2 Please do not change variable resistance settings in MAIN BOARD they are adjusted to the most suitable value If they are changed it might happen LUMINANCE does not satisfy the white balance spec 3 Please consider that LCD backlight takes longer time to become stable of radiation characteristic in low temperature than in room temperature 4 Please pay attention to dis...

Page 16: ...litude 0 286Vpp S Video Impedance 75 ohm terminated DTV 480i 480p 720p 1080i Y signal amplitude 1 0Vpp including sync Pr R Y Pb B Y signal amplitude 0 7Vpp Component Video D4 Impedance 75 ohm terminated 4 3 Compatible Mode Table MODE ASPECT RATIO HANDLING COMPATIBLE INPUTS STANDA RD RESOLUTION FS Full Scre en AR Aspect Ratio 1 1 Com p SVH S YPBP R YCBC R RG B 640x480 60Hz 1366 x 768 1024 x 768 N A...

Page 17: ...024 x 768 N A No No Yes Yes No 4 4 RGB Signal 15 Pin Color Display Signal Cable Pin No Description Pin No Description 1 Red Video 9 Mandatory 5V Supply for PC Bypass 2 Green Video 10 Sync Ground 3 Blue Video 11 Ground 4 Ground 12 Bi directional Data SDA for PC Bypass 5 Ground 13 H Sync 6 Red Video Ground 14 V Sync 7 Green Video Ground 15 Data Clock SCL for PC Bypass 8 Blue Video Ground 1 6 11 15 5...

Page 18: ...20 LCD TV Color Monitor AOC L20W431 18 5 Mechanical Instructions 1 Remove the screws to remove the base 2 Remove the seven screws to remove the back cover ...

Page 19: ...V Color Monitor AOC L20W431 19 3 Remove the eleven screws to remove the shield 4 Remove the twelve screws to remove the main board power board and I O board 5 Remove the two screws to remove the headphone board ...

Page 20: ...20 LCD TV Color Monitor AOC L20W431 20 6 Remove the 15 screws to remove the bezel ...

Page 21: ...20 LCD TV Color Monitor AOC L20W431 21 7 Remove the ten screws to remove the main frame ...

Page 22: ...20 LCD TV Color Monitor AOC L20W431 22 ...

Page 23: ...heck the source Reset source Check LVDS cable NG Replace LVDS cable Check 12V power supply Return to 3 Check U406 Replace U406 Check panel Replace panel Check main board power supply Check I2 C communication Repair I2 C communication relative circuit No display OK NG OK NG OK OK NG OK NG OK NG ...

Page 24: ...Can t start LED indicator yellow NG Repair the keyboard Check 5V_SB Check every chip power supply Check I2 C communication Check keyboard Replace I2 C communication component Check oscillistor Replace oscillistor Can t start OK OK NG NG OK NG ...

Page 25: ...ck D970 D980 NG Replace IC930 or Q930 Check Q931 ZD930 NG Replace Q931 or ZD930 OK OK Check T901 OK NG Replace T901 Replace D970 or D980 OK Check F970 12V F980 24V Check PC950 TL950 FB Replace PC950 or TL950 OK NG NG NG Replace F970 or F980 Check the load OK Check IC 960 NG Replace IC 960 OK Check Q961 Q962 Replace Q961 or Q962 NG OK Check Q960 NG Replace Q960 Check F960 NG Replace F960 OK Check t...

Page 26: ...lter circuit Replace the filter or inductance Repair each relative circuit Check TU100 Replace TU100 AV S video signal component PC signal Check LVDS cable Replace LVDS cable Replace panel Abnormal display NG NG OK NG OK RF signal NG OK OK OK NG Check panel NG OK OK Check TV system setup Check input signal ...

Page 27: ...lace the filter or inductance Check TU100 Replace TU100 AV component S video PC signal Check Amplifier TPA3002D2 U606 Replace U606 Check Earphone jack Replace the Earphone jack Check speakers Replace speakers Check relative circuit No sound OK NG OK NG OK NG OK OK NG NG OK NG OK NG Check TV system setup SIF signal ...

Page 28: ...W431 28 Key Board OSD is unstable or not working Is Key Pad Board connecting normally Connect Key Pad Board Is Button Switch normally Replace Button Switch Y Is Key Pad Board Normally Replace Key Pad Board Check Main Board N N Y Y N ...

Page 29: ...20 LCD TV Color Monitor AOC L20W431 29 7 PCB Layout 7 1 Main Board ...

Page 30: ...20 LCD TV Color Monitor AOC L20W431 30 ...

Page 31: ...20 LCD TV Color Monitor AOC L20W431 31 7 2 Power Board ...

Page 32: ...20 LCD TV Color Monitor AOC L20W431 32 ...

Page 33: ...20 LCD TV Color Monitor AOC L20W431 33 7 3 Tuner Board ...

Page 34: ...20 LCD TV Color Monitor AOC L20W431 34 ...

Page 35: ...20 LCD TV Color Monitor AOC L20W431 35 ...

Page 36: ...20 LCD TV Color Monitor AOC L20W431 36 7 4 IR Board ...

Page 37: ...20 LCD TV Color Monitor AOC L20W431 37 7 5 Earphone Board 7 6 Key Board 715T1822 2 ...

Page 38: ...5V 330W U402 PI5V 330W U404 RGB Gain Input PC Audio AV Audio HD Audio Switch 4052 Video H V Output PC H V Input Select H V Input TTL output LVDS output PANEL DC 12V DC 5V Inverter DDC EEPROM DDC SCL SDA EEPROM M24C32 32K VSCL VSDA IF On Off Dim IF Switch 4052 Philips LOC1 Scalar Video decoder Audio decoder MCU OSD TDA9178 NC Picture improve TPA3002D2 Audio AMP TTL TO LVDS THC63LVDM84R SAWFILTER HD...

Page 39: ...Rev Date Sheet of BOUT C403 10uF 16V FB410 B0805 0 Q403 BC847B 1 3 2 YUV_TV_SW R504 75 C485 270P Q404 BC847B 1 3 2 R501 4 7k C488 33P C471 100P C487 270P R495 0 OHM REF Q405 BC847B 1 3 2 REF REF Q401 BC847B 1 3 2 REF FB412 B0805 0 ROUT R485 10k REF REF C401 10uF 16V REF 5V_SW C402 10uF 16V TV_B REF REF C484 270P R499 4 7k R502 4 7k REF GOUT R484 10k C472 100P C473 100P R488 10k R507 100 R511 nc TV...

Page 40: ...D C161 100P SCL SCIL2 ASTB SCIL1 12V AGND HDIL 5V_SW STATAV1 D_DECT3 SCIR1 ASTB KEYBOARD REF SCIR2 5V 02 Rev Code CONNECTOR AOC Top Victory Electronics Co Ltd A3 2 14 Friday April 28 2006 Title Size Document Number Rev Date Sheet of REF R134 10K PB_CB AV1 D_DECT Y1SCART AGC R131 15k SVIDEO_CTR_1 D_DECT1 IF SCOR1 CN107 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 1 3 5 7 9 11 13 15 17 19 21 23 25...

Page 41: ... 0 R540 4 7k R535 1k 5V IIC_SEL U407 74HC4052D 12 14 15 11 1 5 2 4 6 10 9 13 3 16 8 7 X0 X1 X2 X3 Y0 Y1 Y2 Y3 EN A B X Y VDD GND VEE ON_OFF ISP_SCL D409 1N4148 03 1 IIC SWITCH AOC Top Victory Electronics Co Ltd A4 3 14 Friday April 28 2006 Title Size Document Number Rev Date Sheet of 5V VSCL SDA VSDA 5V R534 1k D410 1N4148 R552 22K R560 2k ...

Page 42: ... 6V 1 2 TV_VS C493 0 1u G R543 47k ZD406 5 6V 1 2 D406 BAV99 1 3 2 04 1 PC INPUT AOC Top Victory Electronics Co Ltd A3 4 14 Friday April 28 2006 Title Size Document Number Rev Date Sheet of ZD401 5 6V 1 2 5V REF AVI_DET TV_HS TV_HS R515 0 REF REF TV_R TV_G R512 75 R526 100 R542 0 CN105 DB15 8 15 7 14 6 13 5 12 4 11 3 10 2 9 1 16 17 REF REF REF TV_VS VGA_HS B ZD403 5 6V 1 2 REF REF VGA_HS R531 10K ...

Page 43: ... 0 1uF C292 0 22uF SAW_SW C222 100u 16V C224 10u C249 0 1uF C251 0 1uF R256 10K GND1 FB203 600 R254 100K SIFIN2 C253 0 1uF C218 100u DIG1 R211 1 2K FB205 600 REF R273 22 5V_SW Vdrb C246 0 1uF C252 0 1uF C245 0 01uF C225 10u XTAL2LI U401C LOCI T23 R23 R24 P23 P24 P25 N23 N25 N24 N26 M26 M25 M24 L23 L26 L24 K26 K25 J26 J25 H26 K24 K23 G26 H25 J24 J23 L25 H23 G25 H24 M23 VSSP2 VSSC4 VDDC4 VDDA3 VREF_...

Page 44: ...21 B23 C21 B21 C20 B20 A20 B19 D19 C19 D18 C18 C17 D17 A23 D16 C16 B18 C23 REFO REFIN AUDIOIN5L AUDIOINR AUDOUTSL AUDOUTSR DECSDEM QSSO AMOUT AUDEEM GND1 PLLIF SIFAGC DVBO IFVO FMRO VCC8V AGC2SIF VP2 IFVO SVO CVBS1 AUDIOIN4R CVBS4 Y4 C4 AUDIOIN2L AUDIOIN2R CVBS2 Y2 AUDIOIN3L AUDIOIN3R CVBS3 Y3 C2 C3 AUDOUTLSL AUDOUTLSR AUDIOIN4L AUDOUTHPL AUDOUTHPR CVBSO PIP DVBO FMRO R228 100 GND2 CVBSO2 Y1SCART ...

Page 45: ... 16 17 19 21 22 20 15 1 3 4 5 6 7 18 2 10 12 13 23 24 UIN VIN SCL SDA VOUT UOUT YOUT SOUT CF VCC DECDIG SC ADEXT1 ADEXT2 ADEXT3 YIN ADR VEE C219 100u ROUT UIN C270 0 1UF C230 10u C271 0 1UF C221 100u R231 100 DIG3 GND3 SANDC R221 100 R219 100 C272 0 1UF R233 100 UOUT C274 0 1UF DIG5 PB_CB HD_Y VOUT GND3 R308 NC FBLIN FB210 600 YOUT C266 0 1UF C265 0 1uF C269 0 1UF C320 nc REF GOUT R230 100 C311 22...

Page 46: ... P1 5 TX RXD SAW_SW 1 8V_1 R264 10K NC C301 0 22uF DIG1 C237 0 22u DIG1 MUTE R297 3 3k R222 10 R295 10k FB219 600 R291 100 R248 100 08 1 DECODER D AOC Top Victory Electronics Co Ltd B 8 14 Friday April 28 2006 Title Size Document Number Rev Date Sheet of STATAV1 D_DECT3 REMOTE R240 100 SVIDEO_CTR_1 DIG1 U403 AT24C32 1 2 3 4 5 6 7 8 A0 A1 A2 GND SDA SCLK WP VCC VGA_TV_SW FB116 B1206 0 R271 1K C299 ...

Page 47: ...M0 NC45 NC46 VDD_CORE11 NC47 NC48 VSS_CORE11 NC49 NC50 VSS_CORE01 NC51 NC52 TXD GPIO 6 NC53 VSS_IO31 VDD3V3_RGB2 VSSA_RGB2 IN_B REF_B VSSA_ADC_B VDDA1V8_ADC_B AVI_TEST VDD3V3_RGB1 VSSA_RGB1 IN_G REF G VSSA_ADC_G VDDA1V8_ADC_G VDD3V3_IN VSSA_CLEAN VDD_CORE0 RB AS SOGIN VDD3V3_RGB0 VSSA_RGB0 IN_R REF_R VSSA_ADC_R VDDA1V8_ADC_R VDD3V3_LPLL VDD1V8_LPLL VSSA_CLEAN_LPLL VSSA_LPLL AHS AVS ASCL GPIO14 ASD...

Page 48: ...5 U401B LOCI L12 L11 D10 C9 M13 D12 C12 B12 D11 A12 A13 D13 D14 C13 M12 M11 B13 D9 C14 N13 N14 A14 N12 N11 P12 P11 P13 R11 R12 R13 R14 P14 T14 T13 T11 T12 AE17 AC16 AD16 AE16 AF16 AC15 AD15 AE15 AF15 AF14 A3 AC14 AD14 AD13 AE13 AF13 D1 AB1 AB2 AC1 AC2 AD1 AC3 AE1 AB4 AE2 AD3 AC4 A25 AF2 AE3 AD4 AF3 AC5 AE4 AD5 AF4 AE5 AC6 AF5 AD6 AE6 AC7 AF6 AD7 AE8 AE7 AC8 AD8 AF7 AF8 AC9 AD9 AE9 H2 AC10 AD10 AE1...

Page 49: ...KOUT GND RxOUT7 G0 RxOUT23 RES LVDSGND GND LVDSGND LVDSVCC PLLGND RxOUT0 R0 PLLVCC VCC GND PWRDWN GND RxIN0 RxCLKIN PLLGND VCC VCC RxOUT1 R1 RxOUT2 R2 RxOUT3 R3 RxOUT4 R4 RxOUT6 R5 RxOUT27 R6 RxOUT5 R7 RxOUT8 G1 RxOUT9 G2 RxOUT12 G3 RxOUT13 G4 RxOUT14 G5 RxOUT10 G6 RxOUT11 G7 RxOUT15 B0 RxOUT18 B1 RxOUT19 B2 RxOUT20 B3 RxOUT21 B4 RxOUT22 B5 RxOUT16 B6 RxOUT17 B7 RxOUT24 HSYNC RxOUT25 VSYNC RxOUT26...

Page 50: ...LAR DIG1 REF PGND REF 3 3Vs_SW R112 15k CN103 10PIN 2 5MM 1 2 3 4 5 6 7 8 9 10 TUNERGND REF REF ON_OFF C147 10u Q106 PMBS3904 3 2 1 R136 6 2K U102 LM1117MP 3 3 3 2 1 4 VIN VOUT GND CASE REF PanelVDD_EN Q109 PMBS3904 3 2 1 C144 100u R110 10k FB101 B1206 0 5V_SW R108 10k DIG1 R120 2 2 C142 220p R124 22k FB102 NC Q105 BC8478 3 2 1 PANEL_VDD 8V R116 1k C145 0 1uF REF 8V For TDA9178 Picture improve D10...

Page 51: ...3Vs_SW C132 100n 1 8VS_SW C106 100n FB113 BLM21A102S 3 3Vs_SW FB114 BLM21A102S REF C127 100n C118 100n 3 3V_PLL C113 100n 3 3V_LVDS C112 100n 1 8V_CORE C126 100n C125 100n 1 8V_ADC C124 100n 1 8V_XTL C102 22u 6v 3 C121 100n C123 100n 14 1 SCALAR POWER AOC Top Victory Electronics Co Ltd A4 14 14 Friday April 28 2006 Title Size Document Number Rev Date Sheet of C103 22u 6v 3 C101 10u 10V C120 100n C...

Page 52: ... 7 3 4 6 12 8 11 9 R912 510K 1 8W ZD980 SMAJ26A 1 2 F960 FUSE Q910 20NM60 2 1 3 D911 MLL4148 R931 200K 1 8W FB960 BEAD C907 0 47uF 275V D980 SRF20200C 1 2 3 R932 100K 1 8W R960 33K 1 10W R914 10K R916 10 R954 2 43K 1 16W R990 3 3K 1 4W R911 510K 1 8W Q941 2N5060 FB904 BEAD PC991 PC123 1 2 4 3 VCC1 R938 2K 1 8W L903 150uH PWM D991 MLL4148 VCC3 C901 470pF 250V C902 470pF 250V VCC1 R941 10K 1 8W 12V ...

Page 53: ... 0 68u switch J101 JACK 1 2 3 4 5 6 7 8 9 C202 330pF R220 100 1 16W C204 0 22u GND Pb AUDIO1IN_R AV1 L210 120 OHM AUDIO2IN_R AUDIO1IN_R AUDIO1_L R225 100 1 16W R206 75 1 16W C249 NC R223 470 1 16W R226 100 1 16W GND L206 150 OHM R216 100 1 16W C225 0 33uF 16V SV Au IN_R YPbPr Au IN_R R215 100 1 16W GND C245 NC C221 0 33uF 16V C251 NC R221 100 1 16W R222 100 1 16W L207 120 OHM J103 JACK 3 1 2 4 5 C...

Page 54: ...4 7nF 50V L219 47u C240 47uF R609 22K C235 33nF 50V C234 33nF R606 22 ZD408 5 6V GND GND R607 3 9K D406 BAV99 1 3 2 TU100 TUNER 1 2 3 9 15 12 13 14 4 5 6 7 8 10 11 AGC TU AS VST MT4 MT1 MT2 MT3 SCL SDA NC1 VS ADC IF2 NC2 IF1 C241 47uF C237 4 7nF 5V GND R603 0 R611 NC TUNERBOARD 02 Rev Code TUNER AOC Top Victory Electronics Co Ltd A4 2 3 Thursday April 06 2006 Title Size Document Number Rev Date Sh...

Page 55: ... 21 23 25 27 29 31 33 35 37 36 39 38 40 41 42 43 44 AGC AV1 AU IN R GND SDA 5V SV Au IN_L YPbPr Au IN_L MOR Pb IF AV1 IN MOL SV Au IN_R YPbPr Au IN_R 12V 03 Rev Code CONNECTOR AOC Top Victory Electronics Co Ltd A4 3 3 Thursday April 06 2006 Title Size Document Number Rev Date Sheet of SV C Y Pr MUTE AV1 AU IN L Y SCL ASTB ...

Page 56: ...VCLAMPR BSRP PVCCR PVCCR ROUTP ROUTP PGNGR PGNGR ROUTN ROUTN PVCCR PVCCR BSRN LINN AVddREF VREF VARDIFF AGND VARMAX AGND VOLUME REFGND MOL C625 0 01uF C679 220pF GND LOUT MUTE R651 4 7K 1 16W R657 0 1 8W C602 0 1uF TO POWER PAD R404 47k R652 24K 1 16W PGND LOUT AGND ROUT R661 120K 1 16W C697 220uF 16V R655 0 1 8W C629 0 01uF PGND R674 NC Q402 MMBT3904 1 3 2 R407 100k ROUT PHONE_L ROUT R660 NC C693...

Page 57: ...20 LCD TV Color Monitor AOC L20W431 57 10 Exploded View ...

Page 58: ...6 18 AUDIO CABLE 089T1735CAA D1 SINGNAL CABLE 089T1735GAA D1 SIGNAL CABLE 089T402A15N IS POWER CORD 092TB1JX1A31GF BATTERY 095T8014 2522 WIRE HARNESS 095T8014 3538 WIRE HARNESS 095T8014 5571 WIRE HARNESS 095T8014 8615 WIRE HARNESS 095T8014 14637 WIRE HARNESS 095T8018 30685 LVDS CABLE 098TR7SW3NEACF Remote Control 0M1T 340 6 47 SCREW 0M1T1730 6128 SCREW M3X6 0M1T1730 6128 SCREW M3X6 0M1T1730 6128 S...

Page 59: ...6405 ED C IR LENS Q34T1652 GM 3L REAR COVER Q34T6384 RGD1L BEZEL 012T 394 3 RUBBER FOOT 015T8154 1 BKT BASE1 033T4832 RG L CLIP CABLE 033T4837 RG L STAND TOP 034T1531 RG L STAND 034T1532 RG L BASE 1 037T 525 2 HINGE 0M1T 330 4128 SCREW 0Q1T 130 8120 SCREW 0Q1T 140 16120 SCREW W33T4836 RG L STAND MID CN904 033T3802 14 CONN 040T 45762420A S N LABEL PC950 056T 139 3A PC123Y22FZOF PC990 056T 139 3A PC...

Page 60: ...G 174 64 L LINE FIL TER L901 073G 174 64 LS LINE FIL TER L901 073G 174 64 YS LINE FIL TER L902 073L 174 49 LG LINE FILTER L902 073L 174 49LSG LINE FILTER L910 073T 174 66 T PFC CHOKE L910 073T 174 66 LS E133 POWER INDUCTOR L904 073T 174 71 L LINE CHOKE L903 073T 174 71 L LINE CHOKE L904 073T 174 71 HA LINE CHOKE L903 073T 174 71 HA LINE CHOKE L904 073T 174 71YSA LINE CHOKE L903 073T 174 71YSA LINE...

Page 61: ... ANGLE CN603 033T3802 3H WAFER 3P RIGHT ANGLE CN604 033T3802 5H WAFER 5P RIGHT ANELE PI CN601 033T802444C H WAFER CN601 033T802444C FH WAFER 040T 45762412B CBPC LABEL C696 067T305V101 3 1000UF 2 16V C697 067T305V101 3 1000UF 2 16V FB609 071T 55507 H CHOKE FB608 071T 55507 H CHOKE L219 073T 5547010T PEAKING COIL 47UH 10 TDK L218 073T 5547010T PEAKING COIL 47UH 10 TDK 085T 583510 GASKET J101 088T 78...

Page 62: ... 1 R951 061V0603243 1F CHIP 2 43K OHM 1 16W 1 R963 061V0603300 1F CHIP 3KOHM 1 16W 1 R961 061V0603430 2F CHIP 43K OHM 1 16W 1 R966 061V0603470 1F CHIP 4 7K OHM 1 16W 1 R964 061V0603471 CHIPR 470 OHM 5 1 16W R962 061V0603473 CHIP 47K OHM 1 16W JR931 061V0805000 CHIP 0OHM 1 10W R940 061V0805103 CHIP 10K OHM 1 10W R960 061V0805330 2F CHIP 33K OHM 1 10W 1 JR910 061V1206000 CHIP 0 OHM 1 8W R967 061V120...

Page 63: ... 50V X7R C913 065T0603473 32 CHIP 0 047UF 50V X7R C966 065T0603474 17 CHIP 0 47UF 16V Y5V C912 065T0603474 17 CHIP 0 47UF 16V Y5V C940 065T0603474 27 CHIP 0 47UF 25V Y5V C975 065T1206102 726213 CHIP 1000PF 500V X7R C975 065T1206102 726784 CHIP 1000PF 500V X7R C975 065T1206102 726857 CHIP 1000PF 500V X7R D991 093T 6432P LL4148 BY PANJIT D990 093T 6432P LL4148 BY PANJIT D931 093T 6432P LL4148 BY PAN...

Page 64: ...Q104 057T 417 4 CHIP PMBS3904 BY PHILIPS Q103 057T 417 6 PMBS3906 PHILIPS SMT Q102 057T 417 6 PMBS3906 PHILIPS SMT Q111 057T 763 1 A03401L SOT23 BY AOS Q112 057T 763 3 AO4411L SO 8 BY AOS SMT Q101 057T 763 3 AO4411L SO 8 BY AOS SMT R550 061V0603000 CHIPR 0OHM 5 1 10W R549 061V0603000 CHIPR 0OHM 5 1 10W R208 061V0603000 CHIPR 0OHM 5 1 10W R207 061V0603000 CHIPR 0OHM 5 1 10W R206 061V0603000 CHIPR 0...

Page 65: ...603101 CHIPR 100 OHM 5 1 10W R219 061V0603101 CHIPR 100 OHM 5 1 10W R221 061V0603101 CHIPR 100 OHM 5 1 10W R223 061V0603101 CHIPR 100 OHM 5 1 10W R224 061V0603101 CHIPR 100 OHM 5 1 10W R226 061V0603101 CHIPR 100 OHM 5 1 10W R239 061V0603101 CHIPR 100 OHM 5 1 10W R250 061V0603101 CHIPR 100 OHM 5 1 10W R249 061V0603101 CHIPR 100 OHM 5 1 10W R248 061V0603101 CHIPR 100 OHM 5 1 10W R245 061V0603101 CHI...

Page 66: ... 5 1 10W R528 061V0603104 CHIPR 100K OHM 5 1 10W R529 061V0603104 CHIPR 100K OHM 5 1 10W R106 061V0603104 CHIPR 100K OHM 5 1 10W R254 061V0603104 CHIPR 100K OHM 5 1 10W R102 061V0603104 CHIPR 100K OHM 5 1 10W R272 061V0603105 CHIP 1MOHM 1 16W R211 061V0603122 CHIP 1 2K OHM 1 16W R212 061V0603122 CHIP 1 2K OHM 1 16W R213 061V0603122 CHIP 1 2K OHM 1 16W R214 061V0603122 CHIP 1 2K OHM 1 16W R409 061V...

Page 67: ...5 1 10W R541 061V0603472 RST CHIPR 4 7KOHM 5 1 10W R107 061V0603472 RST CHIPR 4 7KOHM 5 1 10W R105 061V0603472 RST CHIPR 4 7KOHM 5 1 10W R290 061V0603473 CHIP 47K OHM 1 16W R543 061V0603473 CHIP 47K OHM 1 16W R530 061V0603473 CHIP 47K OHM 1 16W R286 061V0603473 CHIP 47K OHM 1 16W R285 061V0603473 CHIP 47K OHM 1 16W R284 061V0603473 CHIP 47K OHM 1 16W R101 061V0603473 CHIP 47K OHM 1 16W R287 061V06...

Page 68: ...V X7R C264 065T0603104 12 MLCC 0603 0 1UF K 16V X7R C263 065T0603104 12 MLCC 0603 0 1UF K 16V X7R C262 065T0603104 12 MLCC 0603 0 1UF K 16V X7R C261 065T0603104 12 MLCC 0603 0 1UF K 16V X7R C260 065T0603104 12 MLCC 0603 0 1UF K 16V X7R C246 065T0603104 12 MLCC 0603 0 1UF K 16V X7R C247 065T0603104 12 MLCC 0603 0 1UF K 16V X7R C257 065T0603104 12 MLCC 0603 0 1UF K 16V X7R C256 065T0603104 12 MLCC 0...

Page 69: ...16V X7R C108 065T0603104 12 MLCC 0603 0 1UF K 16V X7R C107 065T0603104 12 MLCC 0603 0 1UF K 16V X7R C106 065T0603104 12 MLCC 0603 0 1UF K 16V X7R C122 065T0603104 12 MLCC 0603 0 1UF K 16V X7R C156 065T0603104 12 MLCC 0603 0 1UF K 16V X7R C139 065T0603104 12 MLCC 0603 0 1UF K 16V X7R C138 065T0603104 12 MLCC 0603 0 1UF K 16V X7R C137 065T0603104 12 MLCC 0603 0 1UF K 16V X7R C135 065T0603104 12 MLCC...

Page 70: ...0603333 32 CHIP 0 033UF 50V X7R C464 065T0603333 32 CHIP 0 033UF 50V X7R C463 065T0603333 32 CHIP 0 033UF 50V X7R C462 065T0603333 32 CHIP 0 033UF 50V X7R C240 065T0603392 32 CHIP 3900PF 50V X7R C204 065T0603470 31 CHIP 47PF 50V NPO C205 065T0603470 31 CHIP 47PF 50V NPO C206 065T0603470 31 CHIP 47PF 50V NPO C207 065T0603470 31 CHIP 47PF 50V NPO C208 065T0603470 31 CHIP 47PF 50V NPO C209 065T060347...

Page 71: ...HM 0805 FB216 071T 56G301 EA CHIP BEAD 300 OHM 0805 FB217 071T 56G301 EA CHIP BEAD 300 OHM 0805 FB218 071T 56G301 EA CHIP BEAD 300 OHM 0805 FB219 071T 56G301 EA CHIP BEAD 300 OHM 0805 FB220 071T 56G301 EA CHIP BEAD 300 OHM 0805 FB221 071T 56G301 EA CHIP BEAD 300 OHM 0805 FB112 071T 56G301 EA CHIP BEAD 300 OHM 0805 FB111 071T 56G301 EA CHIP BEAD 300 OHM 0805 FB110 071T 56G301 EA CHIP BEAD 300 OHM 0...

Page 72: ...0603101 CHIPR 100 OHM 5 1 10W R643 061V0603102 CHIPR 1K OHM 5 1 10W R644 061V0603102 CHIPR 1K OHM 5 1 10W R646 061V0603102 CHIPR 1K OHM 5 1 10W R670 061V0603103 CHIPR 10K OHM 5 1 10W R669 061V0603103 CHIPR 10K OHM 5 1 10W R668 061V0603103 CHIPR 10K OHM 5 1 10W R667 061V0603103 CHIPR 10K OHM 5 1 10W R666 061V0603103 CHIPR 10K OHM 5 1 10W R665 061V0603103 CHIPR 10K OHM 5 1 10W R664 061V0603103 CHIPR...

Page 73: ...R C631 065T0603104 32 CHIP 0 1UF 50V X7R C632 065T0603104 32 CHIP 0 1UF 50V X7R C681 065T0603104 32 CHIP 0 1UF 50V X7R C682 065T0603104 32 CHIP 0 1UF 50V X7R C627 065T0603104 32 CHIP 0 1UF 50V X7R C626 065T0603104 32 CHIP 0 1UF 50V X7R C620 065T0603104 32 CHIP 0 1UF 50V X7R C602 065T0603104 32 CHIP 0 1UF 50V X7R C634 065T0603105 12 CHIP 1UF 16V X7R C695 065T0603105 12 CHIP 1UF 16V X7R C693 065T060...

Page 74: ... 59B121 K CHIP BEAD L210 071T 59B121 K CHIP BEAD L209 071T 59B121 K CHIP BEAD L208 071T 59B121 K CHIP BEAD L207 071T 59B121 K CHIP BEAD D406 093T 6433P BAV99 ZD408 093T 39S582 PH ZENER DIODE BZX284 C33 PHILIPS D405 093T 39S582 PH ZENER DIODE BZX284 C33 PHILIPS 715T1747 1 VS TUNER BOARD PCB FB4 061V0603000 CHIPR 0OHM 5 1 10W C3 061V0603000 CHIPR 0OHM 5 1 10W C4 061V0603000 CHIPR 0OHM 5 1 10W FB3 06...

Page 75: ...V NCC 5 11MM C933 067T215Y4707KT 47UF 50V FB902 071T 55 29 BEAD FB903 071T 55 29 BEAD FB904 071T 55 29 BEAD 715T1599 3 POWER BOARD PCB J907 095T 90 23 TIN COATED J906 095T 90 23 TIN COATED J905 095T 90 23 TIN COATED J908 095T 90 23 TIN COATED J931 095T 90 23 TIN COATED J926 095T 90 23 TIN COATED J925 095T 90 23 TIN COATED J923 095T 90 23 TIN COATED J922 095T 90 23 TIN COATED J921 095T 90 23 TIN CO...

Page 76: ...52552T MTZJ T 6 2B D932 093T 6038T52T FR103 C916 006T 31500 EYELET TL950 056T 158 4 T H431BA TL950 056T 158 10 T IC AZ431AZ AE1 TO 92 AAC Q941 057T 566 1 2N5060RLRAG TO 92 BY ON Q941 057T 566 4 MCR100 6SCR F901 084T 56 3W FUSE F970 084T 56 3W FUSE F980 084T 56 3W FUSE F960 084T 56 4W FUSE 4A ...

Page 77: ... 067T305V471 3 47UF 20 16V 0M1T1730 10128 CR3 SCREW 0M1T1730 8128 CR3 SCREW 0M1T1730 10128 CR3 SCREW 0M1T1730 10128 CR3 SCREW R922 061T0603103 CHIP 10KOHM 1 16W R914 061T0603103 CHIP 10KOHM 1 16W R913 061T0603103 CHIP 10KOHM 1 16W R965 061T0603200 2F RST CHIPR 20 KOHM 1 1 10W R954 061T0603243 1F RST CHIPR 2 43 KOHM 1 1 10W R951 061T0603243 1F RST CHIPR 2 43 KOHM 1 1 10W R963 061T0603300 1F RST CHI...

Page 78: ...10KOHM 5 1 4W R901 061T1206684 RST CHIPR 680KOHM 5 1 4W R902 061T1206684 RST CHIPR 680KOHM 5 1 4W R903 061T1206684 RST CHIPR 680KOHM 5 1 4W R550 061T0603000 CHIP 0OHM 1 16W R549 061T0603000 CHIP 0OHM 1 16W R208 061T0603000 CHIP 0OHM 1 16W R207 061T0603000 CHIP 0OHM 1 16W R206 061T0603000 CHIP 0OHM 1 16W R542 061T0603000 CHIP 0OHM 1 16W R516 061T0603000 CHIP 0OHM 1 16W R515 061T0603000 CHIP 0OHM 1 ...

Page 79: ...24 061T0603101 CHIP 100OHM 1 16W R226 061T0603101 CHIP 100OHM 1 16W R239 061T0603101 CHIP 100OHM 1 16W R250 061T0603101 CHIP 100OHM 1 16W R249 061T0603101 CHIP 100OHM 1 16W R248 061T0603101 CHIP 100OHM 1 16W R245 061T0603101 CHIP 100OHM 1 16W R244 061T0603101 CHIP 100OHM 1 16W R242 061T0603101 CHIP 100OHM 1 16W R240 061T0603101 CHIP 100OHM 1 16W R559 061T0603102 CHIP 1K OHM 1 16W R538 061T0603102 ...

Page 80: ...2 RST CHIPR 1 2 KOHM 5 1 10W R212 061T0603122 RST CHIPR 1 2 KOHM 5 1 10W R213 061T0603122 RST CHIPR 1 2 KOHM 5 1 10W R214 061T0603122 RST CHIPR 1 2 KOHM 5 1 10W R409 061T0603123 RST CHIPR 12 KOHM 5 1 10W R265 061T0603123 RST CHIPR 12 KOHM 5 1 10W R494 061T0603131 RST CHIPR 130 OHM 5 1 10W R491 061T0603131 RST CHIPR 130 OHM 5 1 10W R490 061T0603131 RST CHIPR 130 OHM 5 1 10W R558 061T0603151 RST CHI...

Page 81: ...CHIP 47KOHM 1 16W R543 061T0603473 CHIP 47KOHM 1 16W R530 061T0603473 CHIP 47KOHM 1 16W R286 061T0603473 CHIP 47KOHM 1 16W R285 061T0603473 CHIP 47KOHM 1 16W R284 061T0603473 CHIP 47KOHM 1 16W R101 061T0603473 CHIP 47KOHM 1 16W R287 061T0603681 RST CHIPR 680 OHM 5 1 10W R131 061T0603683 RST CHIPR 68 KOHM 5 1 10W R132 061T0603683 RST CHIPR 68 KOHM 5 1 10W R288 061T0603750 75OHM R504 061T0603750 75O...

Page 82: ... 105 SMD CAP 100UF M 16V C222 067T411F1013XT EC 105 SMD CAP 100UF M 16V C221 067T411F1013XT EC 105 SMD CAP 100UF M 16V C220 067T411F1013XT EC 105 SMD CAP 100UF M 16V C219 067T411F1013XT EC 105 SMD CAP 100UF M 16V C218 067T411F1013XT EC 105 SMD CAP 100UF M 16V C144 067T411F1013XT EC 105 SMD CAP 100UF M 16V C143 067T411F1013XT EC 105 SMD CAP 100UF M 16V C153 067T411F4703XT EC 105 SMD CAP 47UF M16V C...

Page 83: ... 33 KOHM 5 1 10W R607 061T0603392 CHIP 3 9KOHM 1 16W R610 061T0603470 RST CHIPR 47 OHM 5 1 10W R224 061T0603471 RST CHIPR 470OHM 5 1 10W R223 061T0603471 RST CHIPR 470OHM 5 1 10W R218 061T0603471 RST CHIPR 470OHM 5 1 10W R217 061T0603471 RST CHIPR 470OHM 5 1 10W R651 061T0603472 CHIP 4 7KOHM 1 16W R650 061T0603472 CHIP 4 7KOHM 1 16W R404 061T0603473 CHIP 47KOHM 1 16W R403 061T0603473 CHIP 47KOHM 1...

Search results

Summary of Contents for L20W431

Reviews:

Related manuals for L20W431

Brands by name

Popular brands

AOC L20W431, Service Manual

Search results

Summary of Contents for L20W431

Reviews:

Related manuals for L20W431

Brands by name

Popular brands