Instruction/ maintenance manual of the product L1733TR LG Electronics
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COLOR MONIT OR SER VICE MANUAL Website:http://biz.LGservice.com CAUTION BEFORE SERVICING THE UNIT , READ THE SAFETY PRECAUTIONS IN THIS MANUAL. CHASSIS NO. : LM57B MODEL: L1733TR (L1733TR-SFQ.A**MQP) L1933TR (L1933TR-SFQ.A**MQP ,A**RQP) *To apply the MSTAR Chip .
CONTENTS - 2 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only SPECIFICA TIONS ................................................... 2 PRECAUTIONS .....................................
PRECAUTION - 3 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only WARNING FOR THE SAFETY-RELATED COMPONENT. • There are some special components used in LCD monitor that are important for safety.
SER VICING PRECAUTIONS - 4 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only CAUTION: Before servicing receivers covered by this service manual and its supplements and addenda, read and follow the SAFETY PRECAUTIONS on page 3 of this publication.
- 5 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only General Soldering Guidelines 1 . Use a grounded-tip, low-wattage soldering iron and appropriate tip size and shape that will maintain tip temperature within the range or 500 F to 600 F.
- 6 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Circuit Board Foil Repair Excessive heat applied to the copper foil of any pr.
TIMING CHART - 7 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only VIDEO SYNC B C E A D 1 H(Pixels) + 25.175 31.469 800 640 16 96 48 640 x 350 V(Lines) - 70.09 449 350 37 2 60 2 H(Pixels) - 28.
- 8 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 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".
- 9 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 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.
- 10 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only DISASSEMBL Y -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.
- 11 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only DISASSEMBL Y -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.
BLOCK DIAGRAM - 12 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only TSUMx6AL ADC TMDS Rx MStarA CE L VDS Tx L VDS Analog (R/G/B) Digital D-Sub D VI-D LIPS Filter 5V 12V 5V 3.3V 1.8V Vcc 5V 5V Scaler MCU Intel8032 Inv er ter (4 lamps) 12V Regulator KEY 3.
BLOCK DIAGRAM-POWER - 13 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only LAMP High Low PO WER INVERTER In verter Control IC P-ch .
DESCRIPTION OF BLOCK DIAGRAM - 14 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Video Controller Part. This part amplifies the level of video signal for the digital conversion and converts from the analog video signal to the digital video signal using a pixel clock.
LIPS Board Block Diagram - 15 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only EMI COMPONENT S LINE 100 ~ 240V INPUT RECTIFIER AND.
ADJUSTMENT - 16 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Windows EDID V1.0 User Manual Operating System: MS Windows 98, 2000, XP Port Setup: Windows 98 => Don ’ t need setup Windows 2000, XP => Need to Port Setup.
- 17 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 2 2 0 IBM Compatible PC PARALLEL PORT Power inlet (required) Power LED ST Switch Power Select Switch (110V/220V) Control Line Not used RS232C PARALLEL V-SYNC PO W ER ST VGS MONITOR E E V-Sync On/Off Switch (Switch must be ON.
TROUBLESHOOTING GUIDE - 18 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. NO POWER NO POWER (POWER INDICATOR OFF) NO Check Po.
- 19 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 2. NO RASTER (OSD IS NOT DISPLA YED) – LIPS NO RASTER (OSD IS NOT DISPLAYE.
- 20 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 3. NO RASTER (OSD IS NOT DISPLA YED) – MST AR NO RASTER (OSD IS NOT DISPLAYED) NO NO NO TROUBLE IN CABLE OR LCD MODULE CHECK U301 1.
- 21 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 4. TROUBLE IN DPM TROUBLE IN DPM NO NO TROUBLE IN U201 CHECK PC PC IS NOT GO.
- 22 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 5. POWER NO POWER (POWER INDICATOR OFF) NO Trouble in Fuse (F101) CHECK 5V, .
- 23 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 6. Raster NO Raster (Lamp Off) NO Check Scaler Output (Main Board) CHECK T30.
WIRING DIAGRAM - 24 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 11 P 6P 3P 30P 663190001 1H 6631T20023J 6631900109A 6631T2001.
EXPLODED VIEW - 25 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 010 020 090 100 11 0 120 190 030 150 160 180 170 080 140 130 0.
EXPLODED VIEW P ARTS LIST - 26 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 010 020 030 040 050 060 070 080 090 100 110 120 130 140 150 160 170 180 190 ABJ32220472 Cabinet Assembly, L1753 .
- 27 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only DATE: 2007. 02. 06. *S *AL LOC.
- 28 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only DATE: 2007. 02. 06. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION U503 0ISG240860B M24C08-WMN6TP 8KBIT 1KX8BIT- L1733TR U503 0IMMR00203A FM24C08 8KBIT 1KX8BIT 2.
- 29 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only DATE: 2007. 02. 06. *S *AL LOC.
- 30 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only DATE: 2007. 02. 06. *S *AL LOC.
- 31 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only SCHEMA TIC DIAGRAM 1. SCALER.
2. POWER & W AFER - 32 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only.
3. INVERTER - 33 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only.
4. POWER - 34 - Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only.
Feb. 2007 P/NO : MFL43002807 Printed in Korea.
An important point after buying a device LG Electronics L1733TR (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought LG Electronics L1733TR yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data LG Electronics L1733TR - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, LG Electronics L1733TR you will learn all the available features of the product, as well as information on its operation. The information that you get LG Electronics L1733TR will certainly help you make a decision on the purchase.
If you already are a holder of LG Electronics L1733TR, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime LG Electronics L1733TR.
However, one of the most important roles played by the user manual is to help in solving problems with LG Electronics L1733TR. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device LG Electronics L1733TR along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
