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당

관 리 자

Model Description

MODEL

BRAND

Printing Specification

1. Trim Size (Format) :

215mm x 280 mm

2. Printing Colors

•

Cover :

LG COLORS

•

Inside :

Black

3. Stock (Paper)

•

Cover :

Snow White 150 g/

㎡

•

Inside :

Snow White 100 g/

㎡

4. Printing Method :
5. Bindery :

Saddle stitch

6. Language :

English

7. Number of pages :

28 (Including blank 1page)

Part No.

Service Guide Specification

Changes

REV.

NO.

MM/DD/YY

SIGNATURE

CHANGE NO.

CHANGE CONTENTS

SUFFIX

LEE H.J

05.11.02

L1732S-SFN
L1932S-SFN

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 India

Special Instructions

Product Name

KNRUQPT
KXRUQPT

FLATRON L1732S
FLATRON L1932S

Содержание L1732S-SFN

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 4: ...Blank Page1 ...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 12: ... 9 BLOCK DIAGRAM ...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

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

Страница 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...

Страница 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...

Страница 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...

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

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

Страница 28: ... 25 3 POWER ...

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

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

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