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LG L1752T-BFQ.AX**QP, Руководство по обслуживанию

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LG L1752T-BFQ.AX**QP Скачать руководство пользователя страница 30

DATE: 2006.  01.  26. 

*S

*AL LOC. NO.

PART NO.

DESCRIPTION / SPECIFICATION

C315

0CH3103K516

10000PF 50V 10% B(Y5P) 2012

C317

0CH5221K416

220PF 50V 5% NP0 2012 R/TP

C320

0CZZTCT006D

C3216X7R1E225M TDK 25V 2.2UF

C402

0CK22201510

2200PF D 1KV 10% B(Y5P) R

C403

0CZZ9ST028A

CERAMIC DISK 10PF 6KV 5% TR

C404

0CH2153K516

15000PF 50V 10% B(Y5P) 2012

C405

0CK22201510

2200PF D 1KV 10% B(Y5P) R

C406

0CZZ9ST028A

CERAMIC DISK 10PF 6KV 5% TR

C407

0CH2153K516

15000PF 50V 10% B(Y5P) 2012

C409

0CK22201510

2200PF D 1KV 10% B(Y5P) R

C410

0CZZ9ST028A

CERAMIC DISK 10PF 6KV 5% TR

C411

0CH2153K516

15000PF 50V 10% B(Y5P) 2012

C412

0CK22201510

2200PF D 1KV 10% B(Y5P) R

C413

0CZZ9ST028A

CERAMIC DISK 10PF 6KV 5% TR

C414

0CH2153K516

15000PF 50V 10% B(Y5P) 2012

C415

0CH2222K516

2200PF 50V 10% B(Y5P) 2012 R

C417

0CH2222K516

2200PF 50V 10% B(Y5P) 2012 R

C418

0CH2222K516

2200PF 50V 10% B(Y5P) 2012 R

C419

0CH2222K516

2200PF 50V 10% B(Y5P) 2012 R

CX101

0CZZ9ST025A

FILM CAPACITOR 0.47UF 275V 1

CY101

0CZZ9ST024A

"Y CAPACITOR 100PF 250V 10%,-"

CY102

0CZZ9ST024A

"Y CAPACITOR 100PF 250V 10%,-"

CY104

0CZZ9ST023A

"Y CAPACITOR 4700PF 250V 20%,"

BD101

0DRTW00121A

D2SB60-1121 TIWAN SEMI ST GB

D101

0DRDI00234A

PR1007 DIODES TAPING52 DO41

D102

0DRDI00244A

1N4007/L DIODES TAPING52 DO4

D103

0DSGF00019A

1N4148 GULF TP DO35 100V 0.1

D201

0DRNH00140A

FCH10U15 NIHON INTER BULK TO

D202

0DRNH00130A

FCH10U10 NIHON INTER BULK TO

D306

0DSGD00048A

MM4148 GRANDE REEL TAPING LL

D401

0DSDI00038A

"BAV99-(F),LF DIODES R/TP SOT"

D402

0DSDI00038A

"BAV99-(F),LF DIODES R/TP SOT"

D403

0DSDI00038A

"BAV99-(F),LF DIODES R/TP SOT"

D404

0DSDI00038A

"BAV99-(F),LF DIODES R/TP SOT"

D405

0DSDI00038A

"BAV99-(F),LF DIODES R/TP SOT"

D406

0DSDI00038A

"BAV99-(F),LF DIODES R/TP SOT"

D407

0DSDI00038A

"BAV99-(F),LF DIODES R/TP SOT"

D408

0DSDI00038A

"BAV99-(F),LF DIODES R/TP SOT"

ZD101

0DZ330009CC

MTZJ3.3B TP ROHM-K DO34 - 3.

ZD301

0DZGD00128A

ZMM5231B GRANDE REEL TAPING

Q101

0TF760000AD

SSS7N60B FAIRCHILD ST TO220F

Q301

0TR144009AI

DTA144EK CHIP TP ROHM - -

Q302

0TR144009AH

DTC144EK CHIP TP ROHM - -

Q303

0TRKE80046A

2N3904S KEC R/TP SOT23 60V 2

Q304

0TR390609DC

2N3906S-RTK KEC REEL TAPING

Q305

0TFDI80001A

2N7002 DIODES R/TP SOT23 60V

Q306

0TFDI80001A

2N7002 DIODES R/TP SOT23 60V

Q307

0TR390609DC

2N3906S-RTK KEC REEL TAPING

Q308

0TRKE80046A

2N3904S KEC R/TP SOT23 60V 2

U101

0IPMG78425A

FAN7601 FAIRCHILD DIP-8P BUL

U201

0IPMG78424A

"AZ431-A BCD 3P,TO-92 TAPING"

U301

0IPMG78426A

OZL68GN O2MICRO 20P SOP BULK

U303

0TFAN00001A

AP4511GD ADVANCED POWER ELEC

U304

0TFAN00001A

AP4511GD ADVANCED POWER ELEC

PC201

0IPMG78432A

"LTV-817M-V(C) LITEON 4P, WID"

DATE: 2006.  01.  26. 

*S

*AL LOC. NO.

PART NO.

DESCRIPTION / SPECIFICATION

R101

0RJ4703G676

470K OHM 1/4 W 5% 3216 R/TP

R102

0RJ6801E472

6800 OHM 1/8 W 1% 2012 R/TP

R103

0RH1004D622

1M OHM 1 / 10 W 2012 5.00% D

R104

0RH1001D622

1K OHM 1 / 10 W 2012 5.00% D

R105

0RD0912Q609

91 OHM 1/4 W (3.4) 5% TA52

R106

0RH2201D622

2.2K OHM 1 / 10 W 2012 5.00%

R107

0RD8203A609

820K OHM 1/2 W(7.0) 5.00% TA

R108

0RD4702A609

47K OHM 1/2 W(7.0) 5.00% TA5

R109

0RX0560J609

0.56OHM 1 W 5% TA52

R110

0RX1003K607

100KOHM 2 W 5% TA62

R111

0RD0471Q609

4.70 1/4W(3 5% TA52

R112

0RJ1302E472

13K OHM 1/8 W 1% 2012 R/TP

R115

0RJ4703G676

470K OHM 1/4 W 5% 3216 R/TP

R116

0RJ4703G676

470K OHM 1/4 W 5% 3216 R/TP

R117

0RH2403D622

240K OHM 1 / 10 W 2012 5.00%

R118

0RH2403D622

240K OHM 1 / 10 W 2012 5.00%

R202

0RX0242K665

24 OHM 2 W 5% SF

R204

0RN3002F409

30K OHM 1/6 W 1.00% TA52

R205

0RN2201F409

2.2K OHM 1/6 W 1.00% TA52

R206

0RJ1601E472

1.6K OHM 1/8 W 1% 2012 R/TP

R207

0RH1001D622

1K OHM 1 / 10 W 2012 5.00% D

R208

0RH6800D622

680 OHM 1 / 10 W 2012 5.00%

R209

0RH1001D622

1K OHM 1 / 10 W 2012 5.00% D

R211

0RJ1001G476

1K OHM 1/4 W 1% 3216 R/TP

R301

0RD1001Q609

1K OHM 1/4 W(3.4) 5.00% TA52

R303

0RH0222D622

22 OHM 1 / 10 W 2012 5.00% D

R304

0RD1002Q609

10K OHM 1/4 W(3.4) 5.00% TA5

R309

0RN1502F409

15K OHM 1/6 W 1.00% TA52

R310

0RH1004D622

1M OHM 1 / 10 W 2012 5.00% D

R311

0RH1502D422

"15K , 1/10W 1% TP"

R313

0RJ6202E472

62K OHM 1/8 W 1% 2012 R/TP

R315

0RH2001D622

2K OHM 1 / 10 W 2012 5.00% D

R316

0RH2001D622

2K OHM 1 / 10 W 2012 5.00% D

R317

0RJ3303E472

330000 OHM 1/8 W 1% 2012 R/T

R318

0RJ1503E472

150K OHM 1/8 W 1% 2012 R/TP

R319

0RH1303D622

130K OHM 1 / 10 W 2012 5.00%

R320

0RH1502D422

"15K , 1/10W 1% TP"

R321

0RH1002D422

10K OHM 1/10 W 1% 2012 R/TP

R401

0RJ1001G476

1K OHM 1/4 W 1% 3216 R/TP

R402

0RJ1001G476

1K OHM 1/4 W 1% 3216 R/TP

R403

0RJ1001G476

1K OHM 1/4 W 1% 3216 R/TP

R404

0RJ1001G476

1K OHM 1/4 W 1% 3216 R/TP

R406

0RJ3600E472

360 OHM 1/8 W 1% 2012 R/TP

R407

0RJ3600E472

360 OHM 1/8 W 1% 2012 R/TP

R408

0RJ3600E472

360 OHM 1/8 W 1% 2012 R/TP

R409

0RJ3600E472

360 OHM 1/8 W 1% 2012 R/TP

TH101

6322A00035A

10D2-07 SEMITEC 10OHM 15% L1

T101

61709MC011A

EER3016 430UH LX52 LIPS SMPS

T301

61709MC010A

EFD-2124 95UH INVERTER TRANS

T302

61709MC010A

EFD-2124 95UH INVERTER TRANS

SC101

6620K00020A

HUAJIE AC UL/CSA 3PPIN BLACK

F101

0FZZTTH001E

TIME LAG HBC 2153.15MXE(LEAD

FB101

6210TCE003G

BRS3550B BO SUNG 3550MM RADI

HS1

4920900021A

EXTRUSION 10*20 16 LX52

HS2

4920900021A

EXTRUSION 10*20 16 LX52

- 30 -

DIODEs

TRANSISTORs & ICs

TRANSFORMER

OTHERs

RESISTORs

Содержание L1752T-BFQ.AX**QP

Страница 1: ...www LGEservice com techsup html CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NO LM57B MODEL L1752T L1752T SFQ AX QP L1752T L1752T BFQ AX QP L1952T L1952T SFQ AX QP L1952T L1952T BFQ AX QP To apply the MSTAR Chip Same model for Service ...

Страница 2: ...Hz 4 Max Resolution D sub Analog 1280 x 1024 75Hz Digital 1280 x 1024 60Hz 5 POWER SUPPLY 5 1 Power AC 100 240V 50 60Hz 0 6A 5 2 Power Consumption 6 ENVIRONMENT 6 1 Operating Temperature 10 C 35 C 50 F 95 F Ambient 6 2 Relative Humidity 10 80 Non condensing 6 3 MTBF 50 000 HRS with 90 Confidence Lamp Life 50 000 Hours Min 7 DIMENSIONS with TILT SWIVEL L1752T Width 364 5 mm 14 35 Depth 180 mm 7 09 ...

Страница 3: ... Protect the module from the ESD as it may damage the electronic circuit C MOS Make certain that treatment person s body are grounded through wrist band Do not leave the module in high temperature and in areas of high humidity for a long time The module not be exposed to the direct sunlight Avoid contact with water as it may a short circuit within the module If the surface of panel become dirty pl...

Страница 4: ...st receiver ground lead to the receiver chassis ground before connecting the test receiver positive lead Always remove the test receiver ground lead last 9 Use with this receiver only the test fixtures specified in this service manual CAUTION Do not connect the test fixture ground strap to any heat sink in this receiver Electrostatically Sensitive ES Devices Some semiconductor solid state devices ...

Страница 5: ...tip as the solder melts 2 Draw away the melted solder with an anti static suction type solder removal device or with solder braid before removing the IC Replacement 1 Carefully insert the replacement IC in the circuit board 2 Carefully bend each IC lead against the circuit foil pad and solder it 3 Clean the soldered areas with a small wire bristle brush It is not necessary to reapply acrylic coati...

Страница 6: ...onnection 4 Route the jumper wire along the path of the out away copper pattern and let it overlap the previously scraped end of the good copper pattern Solder the overlapped area and clip off any excess jumper wire At Other Connections Use the following technique to repair the defective copper pattern at connections other than IC Pins This technique involves the installation of a jumper wire on t...

Страница 7: ...ls 57 283 49 725 1152 832 32 64 224 832 x 624 V Lines 74 55 667 624 1 3 39 8 H Pixels 65 0 48 363 1344 1024 24 136 160 1024 x 768 V Lines 60 0 806 768 3 6 29 9 H Pixels 78 75 60 123 1312 1024 16 96 176 1024 x 768 V Lines 75 029 800 768 1 3 28 10 H Pixels 100 0 68 681 1456 1152 32 128 144 1152 x 870 V Lines 75 062 915 870 3 3 39 11 H Pixels 92 978 61 805 1504 1152 18 134 200 1152 x 900 V Lines 65 9...

Страница 8: ... 8 Monitor on the pad Pull up the stand part Separate head stand 2 3 4 2 Hold the head stand base and then Twist Stand until Click 4 1 5 Soft pad on the table 1 DISASSEMBLY Set ...

Страница 9: ... 9 Remove the screws Disassemble back cover 6 8 1 Pull the front cover upward 2 Then let the all latches are separated 3 1 3 2 3 Put the front face down 9 7 ...

Страница 10: ...LY Stand Push the four latches on the bottom to the outside and Separate Stand Body Base Reference the 1 2 After finished repair necessarily push 4ea Latches to inside for restoration 1 1 In case of Latch 4 1 2 2 3 ...

Страница 11: ...ISASSEMBLY Stand Hold the stand body Confirm two latch of right and left Push the latch to the inside Push the base to the opposite direction 1 2 3 Confirm the condition of separation 5 4 In case of Latch 2 ...

Страница 12: ...arACE LVDS Tx LVDS Analog R G B Digital D Sub DVI D LIPS Filter 5V 12V 5V 3 3V 1 8V Vcc 5V 5V Scaler MCU Intel8032 Inverter 4 lamps 12V Regulator KEY 3 3V 1 8V Line Buffer OSD SSC EEPROM System Module 3 3V SDA SCL 3 3V Flash ROM 12V EEPROM EDID ...

Страница 13: ...trol IC P ch N ch Inverter Trans SMPS Lamp Current Feedback Over Voltage Protection Power Control IC Feedback Line Filter L N Drive Block 12V 13V 5V Inverter On OFF 3 3V Dimming Lamp Current Control Aux Drive Start Module Vcc Main Board Scaler DC DC converter 12V 5V ...

Страница 14: ...n signal and outputs 8 bit R G B signal to transmitter 2 Power Part This part consists of the one 3 3V and one 1 8V regulators to convert power which is provided 5V in Power board 12V is provided for inverter 5V is provided for LCD panel Also 5V is converted 3 3V and 1 8V by regulator Converted power is provided for IC in the main board The inverter converts from DC12V to AC 700Vrms and operates b...

Страница 15: ...DC voltage through a bridge rectifier and a bulk capacitor 3 Energy Transfer This part function is for transfer the primary energy to secondary through a power transformer 4 Output rectifier and filter This part function is to make a pulse width modulation control and to provide the driver signal to power switch to adjust the duty cycle during different AC input and output loading condition to ach...

Страница 16: ... is available to LCD Monitor only 1 Port Setup a Copy UserPort sys file to c WINNT system32 drivers folder b Run Userport exe c Remove all default number d Add 300 3FF e Click Start button f Click Exit button 2 EDID Read Write 1 Run WinEDID exe 2 Edit Week of Manufacture Year of Manufacture Serial Number a Input User Info Data b Click Update button c Click Write button ...

Страница 17: ...display 2 Wait for about 5 seconds and press MENU POWER switch with 1 second interval 3 The SVC OSD menu contains additional menus that the User OSD menu as described below a Auto Color W B balance and Automatically sets the gain and offset value b NVRAM INIT EEPROM initialize 24C08 c CLEAR ETI To initialize using time d AGING Select Aging mode on off e R G B 9300K Allows you to set the R G B 9300...

Страница 18: ...rt Point as Opening Each Power Line No Problem 1 Waveforms U201 96 Check Key Control Connector Routine Check U201 NO NO Check 3 3V Line Open Check Check 3 3V Line NO Check X TAL YES Check J403 Voltage Pin5 Pin6 5V Check U301 Pin2 Voltage 3 3V Is U201 Pin75 3 3V Voltage Check U201 Pin 96 Pulse 1 YES YES YES ...

Страница 19: ...OARD AND FIND OUT A SHORT POINT AS OPENING EACH POWER LINE CHECK MICOM INV ON OFF PORT 1 CONFIRM BRIGHTNESS OSD CONTRL STATE 2 CHECK MICOM DIM ADJ PORT LIPS J403 PIN5 PIN6 5V J403 PIN9 5V J403 PIN10 5V CHECK PULSE AS CONTACTING SCOPE PROBE TO CAUTION LABEL CONTACT PROBE TO CAUTION LABEL CAN YOU SEE PULSE AT YOUR SCOPE YES YES YES YES ...

Страница 20: ...CHECK C210 C211 SOLDERING CONDITION 2 CHECK X201 3 TROUBLE IN U201 CHECK CONNECTION LINE FROM D SUB TO U201 U201 PIN96 97 OSCILLATE AS 14 31MHZ U201 PIN27 IS 48KHz H SYNC PIN28 IS 60Hz V SYNC IS PULSE APPEARED AT SIGNAL PINS AT MODE 12 1 2 1 2 Waveforms U201 96 97 U201 27 H SYNC 2 U201 28 V SYNC YES YES YES U201 PIN 16 75 3 3V ...

Страница 21: ...ROUBLE IN DPM TROUBLE IN DPM NO NO TROUBLE IN U201 CHECK PC PC IS NOT GOING INTO DPM OFF MODE CHECK H V SYNC LINE CHECK R442 R443 CHECK U201 PIN 27 28 SYNC PULSE 3 3 Waveforms R442 H Sync 3 R443 V Sync YES YES ...

Страница 22: ...Line NO NO Check BD101 Check U101 Pin7 9 10V Check D102 Trouble in Q101 NO Trouble in D201 D202 YES CHECK Fuse F101 OK CHECK C101 Voltage AC110V 160Vdc AC220V 304Vdc CHECK U101 Pin6 Waveform Square wave Come out Check Q101 Drain Waveform Check D201 D202 Voltage YES YES YES YES NO ...

Страница 23: ...k the waveform of U301 Pin11 12 19 20 Check the waveform of U301 Pin11 12 19 20 NO If waveform is no problem Check Q303 Q308 Or Trouble in U303 U304 YES CHECK P201 Pin9 3 3V Check U301 Pin3 5V Check U301 Pin2 OVP Less than 1 8V Check U301 Pin10 CMP Less than 2 75V Check U303 U304 Drain waveform YES YES YES NO ...

Страница 24: ... 24 WIRING DIAGRAM 11P 6P 3P 30P 6631900011H 6631T20023J 6631900109A 6631T20010E ...

Страница 25: ... 25 EXPLODED VIEW 010 020 100 110 120 130 030 200 160 170 190 180 090 080 140 150 040 050 070 060 ...

Страница 26: ... PRE AMP LX52 PMMA NON LED LENS 49509K0266A METAL SHIELD LX52 LAMP L1752T 49509K0267A METAL SHIELD L1952 LAMP 68719STA24C PWB PCB ASSEMBLY SUB SUB T T LM57A LX52 KXRDQPT NT CKD CONTROLL SILVER 68719ST086A PWB PCB ASSEMBLY SUB SUB T T LM56A L1752 L1952BFQ KXRDQPT CONTROL TOTAL NT CKD BLACK 0DLLT0089AA LED LITEON LTL 1BEDJ 0C2 TP GREEN YELLOW 19MCD 68719PT298A PWB PCB ASSEMBLY POWER POWER T T LM57A ...

Страница 27: ...25V 2 2UF DATE 2006 01 26 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C306 0CE107EF610 100UF KMG RD 16V 20 FL BULK C306 0CK224DH56A 0 22UF 2012 25V 10 R TP X7R C307 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C308 0CK105DH56A 1UF 2012 25V 10 X7R R TP C309 0CK224DH56A 0 22UF 2012 25V 10 R TP X7R C310 0CK105DH56A 1UF 2012 25V 10 X7R R TP C313 0CH2393K516 39000PF 50V 10 B Y5P 2012 C314 0CK152DK51A 1500P...

Страница 28: ...ON Q301 0TR144009AI DTA144EK CHIP TP ROHM Q302 0TR144009AH DTC144EK CHIP TP ROHM Q303 0TRKE80046A 2N3904S KEC R TP SOT23 60V 2 Q304 0TR390609DC 2N3906S RTK KEC REEL TAPING Q305 0TFDI80001A 2N7002 DIODES R TP SOT23 60V Q306 0TFDI80001A 2N7002 DIODES R TP SOT23 60V Q307 0TR390609DC 2N3906S RTK KEC REEL TAPING Q308 0TRKE80046A 2N3904S KEC R TP SOT23 60V 2 Q401 0TR390609FA FAIRCHILD KST3906 MTF TP SOT...

Страница 29: ...0 W 5 1608 R TP R438 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R439 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R440 0RJ0332D677 33 OHM 1 10 W 5 1608 R TP R441 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP R442 0RJ0682D677 68 OHM 1 10 W 5 1608 R TP R443 0RJ0682D677 68 OHM 1 10 W 5 1608 R TP DATE 2006 01 26 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R444 0RJ0332D677 33 OHM 1 10 W 5 1608 R TP R445 0RJ0752D677 7...

Страница 30: ...00001A AP4511GD ADVANCED POWER ELEC U304 0TFAN00001A AP4511GD ADVANCED POWER ELEC PC201 0IPMG78432A LTV 817M V C LITEON 4P WID DATE 2006 01 26 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R101 0RJ4703G676 470K OHM 1 4 W 5 3216 R TP R102 0RJ6801E472 6800 OHM 1 8 W 1 2012 R TP R103 0RH1004D622 1M OHM 1 10 W 2012 5 00 D R104 0RH1001D622 1K OHM 1 10 W 2012 5 00 D R105 0RD0912Q609 91 OHM 1 4 W 3 4 5 T...

Страница 31: ...EONGSAN 7 0UH 25 LF101 6200J000154 13 0 710 23680 SAMWAH BULK L P201 6602T20008K SMW200 11 YEONHO 11P 2 0MM L P401 6630V90218A 35001WR YEONHO 2P 3 5MM DIP P402 6630V90218A 35001WR YEONHO 2P 3 5MM DIP P403 6630V90218A 35001WR YEONHO 2P 3 5MM DIP P404 6630V90218A 35001WR YEONHO 2P 3 5MM DIP J30 971 0016 TIN HDC 0 60H NON NON J31 971 0016 TIN HDC 0 60H NON NON 31 ...

Страница 32: ...SCHEMATIC DIAGRAM 32 1 SCALER ...

Страница 33: ... 33 2 POWER WAFER ...

Страница 34: ... 34 3 INVERTER ...

Страница 35: ... 35 4 POWER ...

Страница 36: ...Jan 2006 P NO 38289S0041W Printed in Korea ...

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