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LG 32LC51-ZA, Руководство по обслуживанию

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5. In the case of an unusual display in rear AV mode.

Is video input of

the A/V jack normal?

(Check R172)

Yes

Sam as Block A

Check the input source.

No

6. In the case of an unusual display in Side AV mode.

Is the

video input of

the A/V jack normal?

(Check CN703

Pin9)

Yes

Sam as Block A

Check the input source.

No

7. In the case of an unusual display in Side S-Video mode.

Is the

video input of

the A/V jack normal (Check

CN703 Pin1,

Pin3)?

Yes

Sam as Block A

Check the input source.

No

www.freeservicemanuals.info

1/12/2013

Worldwide electronic heritage manuals

Содержание 32LC51-ZA

Страница 1: ...NG THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LP78A MODEL 32LC7R 32LC7R ZA MODEL 32LC51 32LC51 ZA MODEL 32LC52 32LC52 ZC website http biz LGservice com www freeservicemanuals info 1 12 2013 Worldwide electronic heritage manuals ...

Страница 2: ...ONS 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 9 TROUBLE SHOOTING 17 BLOCK DIAGRAM 25 EXPLODED VIEW 26 EXPLODED VIEW PARTS LIST 27 REPLACEMENT PARTS LIST 28 SVC SHEET www freeservicemanuals info 1 12 2013 Worldwide electronic heritage manuals ...

Страница 3: ...With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such as antenna terminals phone jacks etc If the exposed metallic part has a return path to the chassis the measure...

Страница 4: ...ailable discharging wrist strap device which should be removed to prevent potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 3 Use only a grounded tip soldering iron to solder or uns...

Страница 5: ... apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top 3 Solder the connections CAUTION Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temp...

Страница 6: ...D with inverter H x V LC260WX2 SLB3 LPL 26 Specification 26 27 32 37 42 wide Color Display Module 16 9 26 27 32 37 42 TFT WXGA LCD Temp 0 40 deg Humidity 0 85 Temp 20 60 deg Humidity 0 85 100 240V 50 60Hz Power on Green TBD 42 max 26 27 32 37 St By Red 1 0 W AUO Outline Dimension 26 32 37 Pixel Pitch 26 32 37 Back Light 26 32 37 CMO Outline Dimension 27 32 Pixel Pitch 27 32 Back Light 27 32 LPL Ou...

Страница 7: ...D 480I 525I SDTV DVD 576I 625I 50Hz SDTV 480P SDTV 480P SDTV 576P 50Hz HDTV 720P HDTV 720P HDTV 720P 50Hz HDTV 1080I HDTV 1080I HDTV 1080I 50Hz H freq kHz 15 73 15 75 15 625 31 47 31 50 31 25 44 96 45 00 37 50 33 72 33 75 28 125 Resolution 720 480 720 480 720 576 720 480 720 480 720 576 1280 720 1280 720 1280 720 1920 1080 1920 1080 1920 1080 Pixel clock MHz 13 500 13 514 13 500 27 000 27 027 27 0...

Страница 8: ...I 50Hz HDTV 1080P HDTV 1080P HDTV 1080P 50Hz H freq kHz 15 75 15 73 15 625 31 47 31 50 31 25 44 96 45 00 37 50 33 72 33 75 28 125 67 432 67 5 56 250 Resolution 720 480 720 480 720 576 720 480 720 480 720 576 1280 720 1280 720 1280 720 1920 1080 1920 1080 1920 1080 1920 1080 1920 1080 1920 1080 Pixel clock MHz 13 514 13 500 13 500 27 000 27 027 27 000 74 176 74 250 74 25 74 176 74 250 74 250 148 35...

Страница 9: ...nt items 1 Download the VCTP main software IC500 VCT_Pro 2 Channel memory IC501 EEPROM 3 Color carrier Adjustment 3 2 SET assembly adjustment items 1 DDC Data input 2 Adjustment of White Balance 3 Factoring Option Data input 4 PCB assembly adjustment method Using VCTP Download program 4 1 Download program installation 1 Extract a Zip file 2 Visual I2C LPT Driver Installation LPT Port Driver LptDrv...

Страница 10: ... 2 Execute Download vi2c program in PC then a main window will be opened 3 Double click the blue box and confirm Bootloader Version as 42 4 Click the Erase Flash button 5 Double click the download file low then edit window will be opened 6 Click the choice button in the edit window then file choice window will be opened 7 Choose the Hex file in folder and execute downloading with click open button...

Страница 11: ...r Stand by 5V and wait for 3 seconds 3 Push the S W off Disconnect SCL to GND using switch at jig 4 Execute Download vi2c program in PC then a main widow will be opened 5 Double click the blue box and confirm Bootloader Version as 42 6 Click the Erase Flash button 7 Double click the download file low then edit window will be opened 8 Chick the choice button I n the edit window then file choice win...

Страница 12: ...tton in an Adjust Remocon Then the LCD TV will change a slave mode 2 Connect Zig to TV using a D sub cable 3 Execute Download_CS vi2c program in PC then a main widow will be opened 4 Click GO button If you don t push the go the Hex file would not be downloaded although the download proceeds normally at first glance 5 Double click the blue box and confirm Bootloader Version as 42 6 Click the Erase ...

Страница 13: ...wnloading 12 If download is failed for example No acknowledge from slave execute download again from 1 4 3 Channel memory download 1 Connect the download jig to D sub jack 2 Execute Channel vi2c program in PC then a main window will be opened 3 Push the button change and select the Channel memory data 4 Check the communication is OK or not Push the Read area Ackn Check and check Cyan area is OK me...

Страница 14: ...olor Bar 2 push the adj key in the adjustment remocon 5 EDID The Extended Display Identification Data DDC Display Data Channel download Caution Use the proper signal cable for EDID Download Never connect HDMI D SUB Cable at the same time Use the proper cables below for EDID Writing EDID Data EDID DATA Analog Set 128bytes EDID DATA HDMI Set 256bytes Tool Option Inch ZA TA 26 02240 04288 32 02256 04...

Страница 15: ...pment for measuring For Automatic Adjustment 1 Enter the DDC adjust mode Enter the DDC adjust mode at the same time heat run mode when pushing the power on by power only key Enter the adjust mode and change the input mode to AV ZA AV3 TA MA AV2 when pushing the Front av key Maintain the DDC adjust mode with same condition of Heat run Maintain after AC off on in status of Heat run pattern display 2...

Страница 16: ...Temp Normal Normal 9300K x 0 283 0 003 y 0 298 0 003 Luminance Y AV upper 150 cd m2 Typ 350 cd m2 Reference Value Automatically fixed Cool 11000K x 0 274 0 003 y 0 286 0 003 Warm 7200K x 0 303 0 003 y 0 319 0 003 Pattern for Adjustment of White Balance 7 When adjustment is completed Exit adjustment mode using EXIT key on R C 6 4 Input the Shipping Option Data 1 Push the ADJ key in a Adjust Remote ...

Страница 17: ...SC100 No Yes Are the line filter and PSU connected Replace the fuse No Yes Is the correct fuse for the PSU in place LCD F100 Connect the 13 14pin cable Next remove all cables connected to the PSU and switch the AV voltage to manual If the ST by 5V does not operate replace the PSU No Yes Is the PSU and 13 14pin cable connected to the VSC board www freeservicemanuals info 1 12 2013 Worldwide electro...

Страница 18: ...oard normal Is the appropriate fuse FS2 FS3 on the Y B D Is the output voltage normal after removing the P1 connector of the Y B D Yes No No Replace the Z Board Is the Z Board normal Is appropriate fuse FS1 FS2 on the Z B D Is the output voltage normal after removing the P1 connector of the Z B D Yes No No Is the X Board normal Is the output voltage normal after removing the P100 110 200 210 conne...

Страница 19: ...nd by 5V Yes No No Is there a fault with the link cable Yes Is the output for the IC500 normal Reconnect the link cable in P804 No Replace the VSC No Yes Check the power L1103 Is the video output of the Tuner normal Check TU400_Pin13 Is the input voltage normal Check Pin3 Is the I2C communication normal Check Pin9 Pin10 Yes No Yes Is the LVDS Cable connected Yes Change the IC IC500 Re insert the c...

Страница 20: ...sual display in Side AV mode Is the video input of the A V jack normal Check CN703 Pin9 Yes Sam as Block A Check the input source No 7 In the case of an unusual display in Side S Video mode Is the video input of the A V jack normal Check CN703 Pin1 Pin3 Yes Sam as Block A Check the input source No www freeservicemanuals info 1 12 2013 Worldwide electronic heritage manuals ...

Страница 21: ...unusual display in SCART 1_RGB mode Is the video input of the A V jack normal Check R110 R170 R171 R173 Yes Sam as Block A Check the input source No 10 In the case of an unusual display in SCART 2 mode Is the video input of the A V jack normal Check R174 Yes Sam as Block A Check the input source No www freeservicemanuals info 1 12 2013 Worldwide electronic heritage manuals ...

Страница 22: ...al display in component 2 mode Yes Change the IC IC500 Check the input source No Is the video input of the A V Jk202 normal Check R241 R242 R243 13 In the case of an unusual display in RGB mode Yes Change the IC IC500 Check the input source No Is the R G B input and H V sync of the JK201 normal Check R220 R221 R253 R254 R255 www freeservicemanuals info 1 12 2013 Worldwide electronic heritage manua...

Страница 23: ...tput of IC600 R607 R608 normal Yes Is there no sound only for RF No No No No Download the EDID data Set speaker on in the menu No Replace the IC600 No Check the Speaker cable No Is the IC500 operating normal Replace the IC500 No Yes Is the IC601 operating normal Replace the IC601 Replace the VSC BD Yes Check the signal after IC600 Refer to circuit diagram Check the Tuner In Out No www freeservicem...

Страница 24: ...r down on register 0x60 offset 0x3f 0xff Check HDMI source Change to another source or cable Yes Is the wave continuous Normal video Normal audio No Yes Replace the IC303 No 1 Check TV input mode HDMI 1 port support HDMI and DVI So if you input DVI signal and PC audio from phone jack You can hear PC audio 2 Unplug and plug in the HDMI cable sometimes ESD surge occurred at HDMI port 3 Check the HDM...

Страница 25: ... 25 HDMI BLOCK DIAGRAM www freeservicemanuals info 1 12 2013 Worldwide electronic heritage manuals ...

Страница 26: ... 26 430 600 301 300 200 591 590 120 530 580 520 400 230 240 250 260 220 210 EXPLODED VIEW www freeservicemanuals info 1 12 2013 Worldwide electronic heritage manuals ...

Страница 27: ...er Assembly Rear 32LC7R ZA LP78A 32 BACK COVER ASSEMBLY ACQ32467606 Cover Assembly Rear 32LC7R ZA LP78A 32 BACK COVER ASSEMBLY FOR C SKD ACQ32467612 Cover Assembly Rear 32LC7R ZA LP78A 32 BACK COVER ASSEMBLY PHANTOM FOR EU ACQ32467620 Cover Assembly Rear 32LC51 7R ZA LP78A PHANTOM 32 BACK COVER ASSEMBLY 430 AAN31752702 Base Assembly STAND 32LC4D NF LA64F STAND ASSY HEAT COOL AAN31752703 Base Assem...

Страница 28: ...B010 10uF 20 25V 20MA 40TO 85 C312 0CK103CK51A 0603B103K500CT 10nF 10 50V Y5P 30TO 85C 160 C316 0CE106SH6DC VMV106M025S0ANB010 10uF 20 25V 20MA 40TO 85 C316 0CE106WFKDC MVK4 0TP16VC10M 10uF 20 16V 16MA 40TO 105C C317 0CK103CK56A 0603B103K500CT 10nF 10 50V X7R 55TO 125C 16 C318 0CE106SH6DC VMV106M025S0ANB010 10uF 20 25V 20MA 40TO 85 C319 0CK103CK56A 0603B103K500CT 10nF 10 50V X7R 55TO 125C 16 C320 ...

Страница 29: ...M 4 7uF 20 35V 15MA 40TO 85C C612 0CC471CK41A C1608C0G1H471JT 470pF 5 50V C0G 55TO 125C 1 C613 0CC471CK41A C1608C0G1H471JT 470pF 5 50V C0G 55TO 125C 1 C614 0CK475EF67A C3216X5R1C475MT 4 7uF 20 16V X5R 55TO 85C 3 C615 0CK475EF67A C3216X5R1C475MT 4 7uF 20 16V X5R 55TO 85C 3 C617 0CK475EF67A C3216X5R1C475MT 4 7uF 20 16V X5R 55TO 85C 3 C618 0CK475EF67A C3216X5R1C475MT 4 7uF 20 16V X5R 55TO 85C 3 C619 ...

Страница 30: ...CDS3C30GTH 30V 50V 120V 1 9A 1W SOD123 R TP 2 D106 EAH33946001 CDS3C05GTA 5 6V 6 4V 19V 1 9A 1W SOD123 R TP D107 EAH33945901 CDS3C30GTH 30V 50V 120V 1 9A 1W SOD123 R TP 2 D108 EAH33945901 CDS3C30GTH 30V 50V 120V 1 9A 1W SOD123 R TP 2 D109 EAH33945901 CDS3C30GTH 30V 50V 120V 1 9A 1W SOD123 R TP 2 D110 EAH33945901 CDS3C30GTH 30V 50V 120V 1 9A 1W SOD123 R TP 2 D111 EAH33945901 CDS3C30GTH 30V 50V 120V...

Страница 31: ... 0RJ9101D677 MCR03EZPJ912 9 1KOHM 5 1 10W 1608 R TP ROHM R102 0RH1002D622 MCR10EZHJ103 10KOHM 5 1 8W 2012 R TP ROHM R102 0RH1101D622 MCR10EZHJ112 1 1KOHM 5 1 8W 2012 R TP ROHM R102 0RH3301D622 MCR10EZHJ332 3 3KOHM 5 1 8W 2012 R TP ROHM R102 0RH4700D622 MCR10EZHJ471 470OHM 5 1 8W 2012 R TP ROHM R102 0RJ0752D677 MCR03EZPJ750 75OHM 5 1 10W 1608 R TP ROHM R103 0RH0000D622 MCR10EZHJ000 0OHM 5 1 8W 2012...

Страница 32: ... 1 10W 1608 R TP ROHM R253 0RJ0332D677 MCR03EZPJ330 33OHM 5 1 10W 1608 R TP ROHM R254 0RJ0332D677 MCR03EZPJ330 33OHM 5 1 10W 1608 R TP ROHM R255 0RJ0332D677 MCR03EZPJ330 33OHM 5 1 10W 1608 R TP ROHM R265 0RJ1502D677 MCR03EZPJ153 15KOHM 5 1 10W 1608 R TP ROHM R266 0RJ6801D677 MCR03EZPJ682 6 8KOHM 5 1 10W 1608 R TP ROHM R267 0RJ2201D677 MCR03EZPJ222 2 2KOHM 5 1 10W 1608 R TP ROHM R268 0RJ1502D677 MC...

Страница 33: ...5 1 10W 1608 R TP ROHM R512 0RJ1802D677 MCR03EZPJ183 18KOHM 5 1 10W 1608 R TP ROHM R513 0RJ4701D677 MCR03EZPJ472 4 7KOHM 5 1 10W 1608 R TP ROHM R514 0RJ4701D677 MCR03EZPJ472 4 7KOHM 5 1 10W 1608 R TP ROHM R515 0RJ1000D677 MCR03EZPJ101 100OHM 5 1 10W 1608 R TP ROHM R516 0RJ1000D677 MCR03EZPJ101 100OHM 5 1 10W 1608 R TP ROHM R517 0RJ1000D677 MCR03EZPJ101 100OHM 5 1 10W 1608 R TP ROHM R518 0RJ1000D67...

Страница 34: ...RJ1002D677 MCR03EZPJ103 10KOHM 5 1 10W 1608 R TP ROHM R818 0RJ1002D677 MCR03EZPJ103 10KOHM 5 1 10W 1608 R TP ROHM R821 0RJ1002D677 MCR03EZPJ103 10KOHM 5 1 10W 1608 R TP ROHM R823 0RJ1002D677 MCR03EZPJ103 10KOHM 5 1 10W 1608 R TP ROHM R825 0RJ0752D677 MCR03EZPJ750 75OHM 5 1 10W 1608 R TP ROHM R826 0RJ0752D677 MCR03EZPJ750 75OHM 5 1 10W 1608 R TP ROHM R827 0RJ1002D677 MCR03EZPJ103 10KOHM 5 1 10W 160...

Страница 35: ...MH250 TERMINAL 600mM 2 50MM 3P UL1 6631T25026C 6631T25026C SMH250 35098 900mM 2 50MM 4P UL10 6631900012D 6631900012D SMH250 SMH250 250mM 2 50MM 10P UL 6631900048B SMH200 SMH200 150mM 2 00MM 4P UL1061 AWG26 EAD35862601 12505HS 12505HS 850MM 1 25MM 8 UL1061 AWG EAD35907901 BDMR 02VS 2 35001HS 02L 850MM 3 50MM 2P UL323 EAD35907801 BDMR 02VS 2 35001HS 02L 250MM 3 50MM 2P UL323 6631900013C SMH200 SMH20...

Страница 36: ...www freeservicemanuals info 1 12 2013 Worldwide electronic heritage manuals ...

Страница 37: ...www freeservicemanuals info 1 12 2013 Worldwide electronic heritage manuals ...

Страница 38: ...www freeservicemanuals info 1 12 2013 Worldwide electronic heritage manuals ...

Страница 39: ...Feb 2007 Printed in Korea P NO MFL36696902 www freeservicemanuals info 1 12 2013 Worldwide electronic heritage manuals ...

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