LG L1732S-SFN User Manual Download

Page: 24 / 30

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DATE: 2005. 11. 02.

*S

*AL LOC. NO.

PART NO.

DESCRIPTION / SPECIFICATION

C204

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C205

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C206

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C207

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C211

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y

C213

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y

C214

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y

C215

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y

C216

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y

C217

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y

C218

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y

C219

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y

C220

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y

C221

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y

C222

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y

C223

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y

C224

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y

C225

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y

C226

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y

C230

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C231

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C232

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C233

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C240

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C251

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y

C503

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y

C504

0CH8106F611

10UF 16V M 85STD(CYL) R/TP

C506

0CC030CK01A

3PF 1608 50V 0.25 PF R/TP NP

C507

0CC180CK41A

18PF 1608 50V 5% R/TP NP0

C508

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y

C701

0CK105CD56A

1UF 1608 10V 10% R/TP X7R

C707

0CC680CK41A

68PF 1608 50V 5% R/TP NP0

C708

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y

C709

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y

C717

0CC101CK41A

100PF 1608 50V 5% R/TP NP0

C718

0CC101CK41A

100PF 1608 50V 5% R/TP NP0

C727

0CK105CD56A

1UF 1608 10V 10% R/TP X7R

C732

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y

C733

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C734

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C735

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C744

0CC680CK41A

68PF 1608 50V 5% R/TP NP0

C803

0CE107EF610

"100UF KMG,RD 16V 20% FL BULK"

C805

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R-L1732S

C809

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y

C812

0CE107EF610

"100UF KMG,RD 16V 20% FL BULK"

C814

0CE107EF610

"100UF KMG,RD 16V 20% FL BULK"

C817

0CK105CD56A

1UF 1608 10V 10% R/TP X7R-L1932S

C818

0CC102CK41A

1000PF 1608 50V 5% R/TP NP0-L1932S

C819

0CK105CD56A

1UF 1608 10V 10% R/TP X7R

DATE: 2005. 11. 02.

*S

*AL LOC. NO.

PART NO.

DESCRIPTION / SPECIFICATION

D701

0DSIH00018A

"ENKMC2837-T112,LF ISAHAYA R/"

D702

0DSIH00018A

"ENKMC2837-T112,LF ISAHAYA R/"

D706

0DSIH00018A

"ENKMC2837-T112,LF ISAHAYA R/"

ZD701

0DZ560009GB

"BZT52C5V6S-(F),LF DIODES R/T"

ZD702

0DZ560009GB

"BZT52C5V6S-(F),LF DIODES R/T"

ZD703

0DZ560009GB

"BZT52C5V6S-(F),LF DIODES R/T"

ZD704

0DZ560009GB

"BZT52C5V6S-(F),LF DIODES R/T"

ZD711

0DZ560009GB

"BZT52C5V6S-(F),LF DIODES R/T"

ZD712

0DZ560009GB

"BZT52C5V6S-(F),LF DIODES R/T"

Q502

0IKE704200H

KIA7042AP TO-92 TP 4.2 VOLT.

U201

0IPRPM3017B

FE2040-LF(TSU16AWL) MSTAR 10

U501

0IZZ9H0047A

MTV412PMV MYSON PLCC 44PIN F-L1732S

U501

0IZZ9H0048A

MTV412PMV MYSON LQFP 44PIN F-L1932S

U502

0ICS240813B

"CAT24WC08J-TE13 8P,SOIC R/TP"

U801

0IPMGKE011A

KIA78D33F KEC DPAK R/TP 3.3V-L1932S

U802

0TFVI80067A

SI3865BDV(E3) VISHAY R/TP TS

Q503

0TRIH80001A

"RT1C3904-T112,LF ISAHAYA R/T"

Q504

0TRIH80001A

"RT1C3904-T112,LF ISAHAYA R/T"

Q505

0TRIH80001A

"RT1C3904-T112,LF ISAHAYA R/T"

Q703

0TR390609FA

FAIRCHILD KST3906-MTF TP SOT

Q704

0TR390609FA

FAIRCHILD KST3906-MTF TP SOT

Q801

0TR127309AA

KTA1273 TP KEC TO92 -Y(KTA96-L1732S

Q802

0TRIH80001A

"RT1C3904-T112,LF ISAHAYA R/T"-L1732S

Q803

0TR127309AA

KTA1273 TP KEC TO92 -Y(KTA96

R201

0RJ0682D677

68 OHM 1/10 W 5% 1608 R/TP

R202

0RJ0682D677

68 OHM 1/10 W 5% 1608 R/TP

R203

0RJ0682D677

68 OHM 1/10 W 5% 1608 R/TP

R207

0RJ3900D677

390 OHM 1/10 W 5% 1608 R/TP

R208

0RJ0682D677

68 OHM 1/10 W 5% 1608 R/TP

R209

0RJ0682D677

68 OHM 1/10 W 5% 1608 R/TP

R210

0RJ0682D677

68 OHM 1/10 W 5% 1608 R/TP

R216

0RJ0000D677

0 OHM 1/10 W 5% 1608 R/TP

R217

0RJ0000D677

0 OHM 1/10 W 5% 1608 R/TP

R220

0RJ4701D677

4.7K OHM 1/10 W 5% 1608 R/TP

R240

0RJ1001D677

1K OHM 1/10 W 5% 1608 R/TP

R501

0RJ4701D677

4.7K OHM 1/10 W 5% 1608 R/TP

R503

0RJ4701D677

4.7K OHM 1/10 W 5% 1608 R/TP

R506

0RJ4701D677

4.7K OHM 1/10 W 5% 1608 R/TP

R508

0RJ4701D677

4.7K OHM 1/10 W 5% 1608 R/TP

R520

0RJ4701D677

4.7K OHM 1/10 W 5% 1608 R/TP

R521

0RJ4701D677

4.7K OHM 1/10 W 5% 1608 R/TP

R522

0RJ4701D677

4.7K OHM 1/10 W 5% 1608 R/TP

R523

0RJ4701D677

4.7K OHM 1/10 W 5% 1608 R/TP

R530

0RJ1002D677

10K OHM 1/10 W 5% 1608 R/TP

REPLACEMENT PARTS LIST

CAUTION: BEFORE REPLACING ANY OF THESE COMPONENTS,

READ CAREFULLY THE SAFETY PRECAUTIONS IN THIS MANUAL.

* NOTE : S

SAFETY Mark

AL ALTERNATIVE PARTS

MAIN BOARD

CAPACITORS

DIODEs

ICs

TRANSISTOR

RESISTORs

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Summary of Contents for L1732S-SFN

Page 1: ...ncluding blank 1page Part No 1 2 Service Guide Specification Service Guide Specification Changes 4 REV NO MM DD YY SIGNATURE CHANGE NO CHANGE CONTENTS 1 2 3 4 5 7 6 SUFFIX LEE H J 05 11 02 L1732S SFN L1932S SFN LG 38289S0009Q KIM J O 05 11 02 1 Origin Notification LGEDI Printed in Indonesia LGEWA Printed in U K LGESP Printed in Brazil LGEMX Printed in Mexico LGENT Printed in China LGEIL Printed in...

Page 2: ...et Pagination sheet P NO 38289S0009Q Total pages 28page Cover English 2 English 3 English 4 English English Rear Cover Front cover Inside blank English English 22 English 23 English 24 English 25 Rear cover Inside 26 ...

Page 3: ...service com E mail http www LGEservice com techsup html CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NO CL 82 MODEL L1732S L1732S SFN AN EP L1932S L1932S SFN AX EP To apply the MSTAR Chip Same model for Service ...

Page 4: ...Blank Page1 ...

Page 5: ...ical 56 75Hz 4 Max Resolution D sub Analog 1280 x 1024 75Hz 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 L1732S 40 000 Hours Min L1932S 7 DIMENSIONS with TILT SWIVEL L1732S Width 390 mm 15 35 Dept...

Page 6: ...e 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 please wipe i...

Page 7: ...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 ...

Page 8: ...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...

Page 9: ...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...

Page 10: ...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...

Page 11: ... 8 DISASSEMBLY Disassembly back door Disassembly stand rear cover Remove the screws Disassemble back cover Remove the screws Pull up the cabinet corner side 1 2 3 4 5 6 ...

Page 12: ... 9 BLOCK DIAGRAM ...

Page 13: ... 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 and micom 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 bac...

Page 14: ...gh a bridge rectifier and a bulk capacitor 3 Energy Transfer This part function is 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 achive the dc output st...

Page 15: ... 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 ...

Page 16: ...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...

Page 17: ...ORT POINT AS OPENING EACH POWER LINE NO PROBLEM 1 Waveforms U201 96 CHECK KEY CONTROL CONNECTOR ROUTINE CHECK U201 NO NO CHECK 5VS LINE OPEN CHECK CHECK 3 3V LINE NO CHECK X TAL YES CHECK J705 VOLTAGE PIN5 PIN6 5V CHECK U501 PIN 8 VOLTAGE 5V IS U201 PIN90 3 3V VOLTAGE CHECK U201 PIN 96 PULSE 1 YES YES YES ...

Page 18: ...ARD 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 J705 PIN5 PIN6 5V J705 PIN9 2 5V J705 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 ...

Page 19: ... U803 15 1 CHECK PIN122 123 SOLDERING CONDITION 2 CHECK X501 3 TROUBLE IN U201 CHECK CONNECTION LINE FROM D SUB TO U501 U201 PIN 18 90 3 3V U201 PIN96 97 OSCILLATE AS 12MHZ U501 PIN43 IS 48KHz H SYNC PIN44 IS 60Hz V SYNC IS PULSE APPEARED AT SIGNAL PINS AT MODE 12 1 2 1 2 Waveforms U201 96 97 U501 43 H SYNC 2 U501 44 V SYNC YES YES YES ...

Page 20: ...DPM TROUBLE IN DPM NO NO TROUBLE IN U501 CHECK PC PC IS NOT GOING INTO DPM OFF MODE CHECK H V SYNC LINE CHECK R216 R217 R778 R781 CHECK U501 PIN 43 44 SYNC PULSE 3 3 Waveforms R216 R778 H Sync 3 R217 R781 V Sync YES YES ...

Page 21: ... 18 11P 6P 30P WIRING DIAGRAM Connector Ass y P N 6631T20023A Connector Ass y P N 6631T11012W or 6631T11020W Connector Ass y P N 6631900030D ...

Page 22: ... 19 EXPLODED VIEW 010 110 020 120 130 140 150 160 030 190 170 180 050 040 150 100 090 080 070 060 ...

Page 23: ...Y L1932S NON ABS350 BK ANALOG CKD 3043TKK274B TILT SWIVEL ASSEMBLY L1732 BODY ASSY CKD 3043TKK275C TILT SWIVEL ASSEMBLY LX32 BASE ASSY CKD 49509K0016B METAL SHIELD L1732 CHASSIS BRACKET CKD 68719ST051B PWB PCB ASSEMBLY SUB SUB T T CL82 L1732B KNRUEPT CONTROL NT CKD 4940TKT272B KNOB TACT CONTROL 5KEY LX32 CKD 4950TKA407B METAL SUPPORT METAL STAND LXX32 CKD 3940TKK082K SPONGE CUSHION 10 20 4T L1530T...

Page 24: ... TP X7R L1932S C818 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 L1932S C819 0CK105CD56A 1UF 1608 10V 10 R TP X7R DATE 2005 11 02 S AL LOC NO PART NO DESCRIPTION SPECIFICATION D701 0DSIH00018A ENKMC2837 T112 LF ISAHAYA R D702 0DSIH00018A ENKMC2837 T112 LF ISAHAYA R D706 0DSIH00018A ENKMC2837 T112 LF ISAHAYA R ZD701 0DZ560009GB BZT52C5V6S F LF DIODES R T ZD702 0DZ560009GB BZT52C5V6S F LF DIODES R T ZD703...

Page 25: ...10 W 5 1608 R TP R754 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R755 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R769 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP R778 0RJ0682D677 68 OHM 1 10 W 5 1608 R TP R781 0RJ0682D677 68 OHM 1 10 W 5 1608 R TP R803 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R804 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP L1732S R805 0RH2000D622 200 OHM 1 10 W 5 D R TP L1732S R806 0RH2000D622 200 OHM 1...

Page 26: ...SCHEMATIC DIAGRAM 23 1 TSU56AL TSU16AL 1 1 3 Waveforms U201 96 97 3 R216 R778 H Sync 3 R217 R781 V Sync ...

Page 27: ... 24 2 MICOM 2 U501 43 H SYNC 2 U501 44 V SYNC Waveforms 2 ...

Page 28: ... 25 3 POWER ...

Page 29: ... 26 4 CONNECTOR JACKS 3 Waveforms R216 R778 H Sync 3 R217 R781 V Sync 3 ...

Page 30: ...Nov 2005 P NO 38289S0009Q Printed in Korea ...

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