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Service Guide Specification
Service Guide Specification
1.
Model Description
L1730PSUPM
MODEL
L1730PSNPM
SUFFIX
KLEUQW
2.
Printing Specification
1. Trim Size (Format) :
2. Printing Colors
• Cover :
LG COLORS
• Inside :
Black
3. Stock (Paper)
Snow White 150 g/
• Cover :
Snow White 100 g/
• Inside :
4. Printing Method :
5. Bindery :
6. Language :
7. Number of pages :
3.
Special Instructions
(1) Origin Notification
* LGEDI : Printed in Indonesia
* LGESP : Printed in Brazil
* LGENT : Printed in China
4.
Changes
8
7
6
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3
2
1
REV.
MM/DD/YY
NO.
BRAND
Product Name
215mm x 280 mm
Saddle stitch
English
32
( Including blank 3page)
* LGEWA : Printed in U.K.
* LGEMX : Printed in Mexico
* LGEIL : Printed in India
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FLATRON L1730P
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Part No.
3828TSL085C
CONTENTS
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Related Manuals for LG L1730PSUPM
Summary of Contents for LG L1730PSUPM
- Page 1 Service Guide Specification Service Guide Specification 9 9 9 9 9 9 9 9 % #% % #% % #% % #% Model Description L1730PSUPM MODEL BRAND L1730PSNPM Part No. 3828TSL085C SUFFIX FLATRON L1730P KLEUQW Product Name Printing Specification 1. Trim Size (Format) : 215mm x 280 mm 2.
- Page 2 Pagination sheet D D D D Pagination sheet English English English English English Front Cover cover …. ….. Blank Rear English English English English Rear Cover Inside Cover Blank Blank...
- Page 3 Website:http://biz.LGservice.com E-mail:http://www.LGEservice.com/techsup.html COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CL-64 MODEL: L1730P (L1730PSUPM-AL**Q) L1730P (L1730PSNPM-AL**Q) ) **Same model for Service CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. MENU LightView SOURCE SET/AUTO...
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Page 5: Table Of Contents
CONTENTS SPECIFICATIONS ........... 2 DESCRIPTION OF BLOCK DIAGRAM ....13 PRECAUTIONS ............4 ADJUSTMENT ............15 SERVICE PRECAUTIONS ........5 TROUBLESHOOTING GUIDE ......17 TIMING CHART ............8 EXPLODED VIEW...........21 DISASSEMBLY ............9 REPLACEMENT PARTS LIST .......23 WIRING DIAGRAM ..........11 BLOCK DIAGRAM .......... -
Page 6: Signal Connector Pin Assignment
Signal Connector Pin Assignment • DVI-I Connector (Digital/Analog) Signal (DVI-D) Signal (DVI-D) T. M. D. S. Data2- Hot Plug Detect T. M. D. S. Data2+ T. M. D. S. Data0- & T. M. D. S. Data0+ T. M. D. S. Data2/4 Shield "... -
Page 7: Precautions
PRECAUTION WARNING FOR THE SAFETY-RELATED COMPONENT. WARNING • There are some special components used in LCD BE CAREFUL ELECTRIC SHOCK ! monitor that are important for safety. These parts are • If you want to replace with the new backlight (CCFL) or marked on the schematic diagram and the inverter circuit, must disconnect the AC adapter... -
Page 8: Service Precautions
SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this 9. Use with this receiver only the test fixtures specified in service manual and its supplements and addenda, read this service manual. and follow the SAFETY PRECAUTIONS on page 3 of this CAUTION: Do not connect the test fixture ground strap publication. - Page 9 General Soldering Guidelines Replacement 1. Use a grounded-tip, low-wattage soldering iron and 1. Carefully insert the replacement IC in the circuit board. appropriate tip size and shape that will maintain tip 2. Carefully bend each IC lead against the circuit foil pad and solder it.
- Page 10 Circuit Board Foil Repair At Other Connections Excessive heat applied to the copper foil of any printed Use the following technique to repair the defective copper circuit board will weaken the adhesive that bonds the foil pattern at connections other than IC Pins. This technique to the circuit board causing the foil to separate from or involves the installation of a jumper wire on the "lift-off"...
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Page 11: Timing Chart
TIMING CHART VIDEO SYNC Total Video Sync Front Blanking Sync MODE H / V Frequency Period Active Duration Porch Time Resolution Polarity Clock ( E ) Time ( A ) ( D ) ( C ) ( B ) H(Pixels) 31.469 640 x 350 25.175... -
Page 12: Disassembly
DISASSEMBLY 1. Put a soft cushion on the floor and lay the stand on its 4. Cover the panel with your hand so that it is not scratched. side so that the base is accessible. Then, pull up the cabinet corner side. 2. - Page 13 7. Push the shield cap upward and disassemble it. 9. Pull out the link cable while pushing up the main frame. 8. Pull out the cable. - 10 -...
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Page 14: Wiring Diagram
WIRING DIAGRAM 6631T20020Q Connector Ass’y P/N: Connector Ass’y P/N: 6631T11012W 6631T20024C Connector Ass’y P/N: - 11 -... -
Page 15: Block Diagram
BLOCK DIAGRAM - 12 -... -
Page 16: Description Of Block Diagram
DESCRIPTION OF BLOCK DIAGRAM 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. The pixel clock for each mode is generated by the PLL. The range of the pixel clock is from 25MHz to 135MHz. -
Page 17: Lips Board Block Diagram
LIPS Board Block Diagram 50 ~ 60Hz 100KHz HVDC INPUT RECTIFIER ENERGY OUTPUT RECTIFIER COMPONENTS AND FILTER TRANSFER AND FILTER LINE 100 ~ 240V SIGNAL PHOTO- COLLECTI CONTROL COUPLER CIRCUIT ISOLATION PRIMARY SECONDARY Operation description_LIPS 1. EMI components. This part contains of EMI components to comply with global marketing EMI standards like FCC,VCCI CISPR, the circuit included a line-filter, across line capacitor and of course the primary protection fuse. -
Page 18: Adjustment
ADJUSTMENT Windows EDID V1.0 User Manual 2. EDID Read & Write 1) Run WinEDID.exe Operating System: MS Windows 98, 2000, XP Port Setup: Windows 98 => Don’t need setup Windows 2000, XP => Need to Port Setup. This program is available to LCD Monitor only. 1. -
Page 19: Service Osd
SERVICE OSD 1)Turn off the power switch at the front side of display. 2)Wait for about 5 seconds and press MENU,POWER key with 1 second interval. 3)Shows the service OSD menu. 4)The service OSD menu contains additional menus that the User OSD menu as described below. a) CLEAR ETI : To initialize using time. -
Page 20: Troubleshooting Guide
TROUBLESHOOTING GUIDE 1. NO POWER NO POWER (POWER INDICATOR OFF) CHECK POWER BOARD, AND FIND OUT A SHORT POINT CHECK J603 VOLTAGE AS OPENING PIN5, PIN6 (5V)? EACH POWER LINE CHECK CHECK 5VS LINE U202 PIN 32 Voltage (OPEN CHECK) (5V) ? NO PROBLEM CHECK KEY CONTROL... - Page 21 2. NO RASTER (OSD IS NOT DISPLAYED) – LIPS NO RASTER (OSD IS NOT DISPLAYED) J603 PIN5, PIN6 CHECK LIPS CHECK MICOM INV ON/OFF J603 PIN9 PORT. 1. CONFIRM BRIGHTNESS J603 PIN10 OSD CONTRL STATE. 2. CHECK MICOM DIM-ADJ PORT CHECK PULSE AS CONTACTING SCOPE...
- Page 22 3. NO RASTER (OSD IS NOT DISPLAYED) – GM5221(FE2010) NO RASTER (OSD IS NOT DISPLAYED) U201 POWER PIN11, 50 CHECK U401 3.3V? U201 1. CHECK PIN169, 170 PIN169, 170 SOLDERING CONDITION 2. CHECK X201 OSCILLATE AS 14.318MHZ? 3. TROUBLE IN U201 U501 PIN43 IS 48KHz H-SYNC?
- Page 23 4. TROUBLE IN DPM TROUBLE IN DPM CHECK PC CHECK PC IS NOT GOING R629, R630 (SYNC) ? INTO DPM OFF MODE CHECK TROUBLE IN U201 PIN 81 SIGNAL CABLE (0V) ? TROUBLE IN PC - 20 -...
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Page 25: Exploded View Parts List
PWB(PCB) ASSEMBLY,SUB, L1730BM CONTROL TOTAL BRAND CL-62-For Europe(L1730PSNPM) 6871TUT040A PWB(PCB) ASSEMBLY,USB, L1930PM SUB TOTAL BRAND USB1.1 -For Australia(L1730PSUPM) 6871TUT040C PWB(PCB) ASSEMBLY,USB, L1730PM SUB TOTAL BRAND USB1.1 -For Europe, Russia, U.K(L1730PSUPM) 3550TKK504A COVER, LXX30 TOP USB(350) -Only L1730PSUPM 4814TKK266A SHIELD, USB TOP(LXX30)-Only L1730PSUPM... -
Page 26: Replacement Parts List
REPLACEMENT PARTS LIST CAUTION: BEFORE REPLACING ANY OF THESE COMPONENTS, READ CAREFULLY THE SAFETY PRECAUTIONS IN THIS MANUAL. * NOTE SAFETY Mark AL ALTERNATIVE PARTS DATE: 2004. 7. 12. DATE: 2004. 7. 12. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. - Page 27 DATE: 2004. 7. 12. DATE: 2004. 7. 12. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION D605 0DS226009AA KDS226 TP KEC SOT-23 80V 300 R224 0RJ4701D677 4.7K OHM 1/10 W 5% 1608 R/TP D606 0DS226009AA KDS226 TP KEC SOT-23 80V 300...
- Page 28 SKHV10910B LGEC NON 12V 20A H 0DZ510009EE UDZ S 5.1B TP ROHM-K SOD323 2 0DZ510009EE UDZ S 5.1B TP ROHM-K SOD323 2 USB BOARD(Only L1730PSUPM) 0DZ510009EE UDZ S 5.1B TP ROHM-K SOD323 2 0DZ510009EE UDZ S 5.1B TP ROHM-K SOD323 2...
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Page 29: Schematic Diagram
SCHEMATIC DIAGRAM 1. SCALER - 26 -... - Page 30 2. POWER - 27 -...
- Page 31 3. CONNECTOR - 28 -...
- Page 32 Blank Page1...
- Page 33 Blank Page2...
- Page 34 Aug. 2004 P/NO : 3828TSL085C Printed in Korea...