LG Flatron M1717A Service Manual
  1. Manuals
  2. Brands
  3. LG Manuals
  4. Monitor
  5. Flatron M1717A
  6. Service manual

LG Flatron M1717A Service Manual

M1717a-bzd.an**lf; m1917a-bzd.an**lf
Hide thumbs Also See for Flatron M1717A:
Table of Contents

Advertisement

Quick Links

COLOR MONITOR
SERVICE MANUAL
CHASSIS NO. : CL-81
MODEL:
MODEL:
*(
) **Same model for Service
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
AUTO/SET
Website:http://biz.LGservice.com
E-mail:http://www.LGEservice.com/techsup.html
M1717A (M1717A-BZD.AN**LF)
M1917A (M1917A-BZD.AN**LF)

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Flatron M1717A and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for LG Flatron M1717A

Summary of Contents for LG Flatron M1717A

  • Page 1 Website:http://biz.LGservice.com E-mail:http://www.LGEservice.com/techsup.html COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CL-81 MODEL: M1717A (M1717A-BZD.AN**LF) MODEL: M1917A (M1917A-BZD.AN**LF) ) **Same model for Service CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. AUTO/SET...

  • Page 2: Table Of Contents

    CONTENTS SPECIFICATIONS ........... 2 ADJUSTMENT ............12 PRECAUTIONS ............3 TROUBLESHOOTING GUIDE ......15 SERVICE PRECAUTIONS ........4 WIRING DIAGRAM ..........19 TIMING CHART ............7 EXPLODED VIEW...........20 DISASSEMBLY ............8 REPLACEMENT PARTS LIST .......22 BLOCK DIAGRAM ........... 9 SCHEMATIC DIAGRAM ......... 28 DESCRIPTION OF BLOCK DIAGRAM ....

  • Page 3: Precautions

    PRECAUTION WARNING FOR THE SAFETY-RELATED COMPONENT. WARNING BE CAREFUL ELECTRIC SHOCK ! • There are some special components used in LCD 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 4: 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 5 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 6 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"...

  • Page 7: 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) 25.175 31.469 640 x 350...

  • Page 8: Disassembly

    DISASSEMBLY Remove the screws. 1. Remove the screws. 2. Disassembly Hinge Cover. Remove the screws. 1. Let the all latches are separated 2. Disassemble back cover. - 8 -...

  • Page 9: Block Diagram

    BLOCK DIAGRAM - 9 -...
  • Page 10 DESCRIPTION OF BLOCK DIAGRAM 1. Power Supply Block (LIPS) This Block Generates DC Voltage (5V,15V) to Main Control system from AC Power (100-240 V, 50/60 Hz, 1.0A) Also it has the inverter function that converts input voltage to AC Rms value for the LCD lamp. 2.

  • Page 11: Description Of Block Diagram

    LIPS Board Block Diagram 50 ~ 60Hz 100KHz HVDC ENERGY INPUT RECTIFIER OUTPUT RECTIFIER TRANSFER COMPONENTS AND FILTER AND FILTER LINE 100 ~ 240V SIGNAL PHOTO- COLLENT- COMTROL COUPLER CIRCUIT ISOLATI ON 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 12: Adjustment

    EDID 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 13 ADC ADJUSTMENT 1 PC input ADC 1.1 Gain/Offset Adjustment ■ Convert to PC in Input-source ■ Signal equipment displays Output Voltage : 700mVp-p Impress Resolution XGA (1024 x 768 @ 60Hz) Pattern : gray pattern that left & right is black and center is white signal (Refer below picture). (Model : 37, Pattern : 29 at MSPG925) ■...

  • Page 14: Service Osd

    SERVICE OSD ■ Description of operation Service Menu - [00 0 0 0000] : Country Option Code [00 0 0 0000] - Option 1 ~ 4 : Detail Country Option 1 ~ 4(Refer Adjust spec sheet) Auto ADC - Auto ADC : Adjust ADC in PC or AV by SVC Remote Control Option 1 Option 2 - Audio Setup : Only Engineering.

  • Page 15: Troubleshooting Guide

    TROUBLESHOOTING GUIDE No power :[A]Process (LED indicator off) Check short of main B/D Check 15V or 5V or Change Lips of Lips Fail Pass Pass Check Output of Change Q402 Q402 Fail Pass Check Output of Change U406 U406 Fail Pass Change LED Assy Check LED Assy...
  • Page 16 :[B]Process No Raster Check LED Status Repeat A PROCESS on display unit Fail Pass Check Change U402, U403, U402, U403, U406 U406 Fail Pass Check the input/ Change U301 Output of U301 Fail Pass Check inverter Change inverter Connector or inverter connector or inverter Fail Pass...
  • Page 17 No Raster on AV Signal No Raster on TV(RF) signal (SCART, CVBS, S-VHS) Check 5V, 33V of TU701 Repeat Check the output of Re-soldering or [A] Process TU701 Fail Fail Change the defect part Pass Pass Check the signal of Change L109, L110, L112 L109, L110, L112 R194, R198, R184...
  • Page 18 No Sound Check the Change source input input source Fail Pass Re-soldering or Check the input/output Change the defect part of U301 Fail Check X301 Pass Re-soldering or Check the input/output Change the defect part of U201 Fail Pass Check the speaker Change speaker Fail Pass...

  • Page 19: Wiring Diagram

    WIRING DIAGRAM Connector Ass’y P/N: 6631T11012W or 6631T11020W Connector Ass’y P/N: 6631900042B Connector Ass’y P/N: Connector Ass’y P/N: 6631900036E 6631900035C - 19 -...

  • Page 20: Exploded View

    EXPLODED VIEW - 20 -...

  • Page 21: Exploded View Parts List

    LCD(LIQUID CRYSTAL DISPLAY), LM170E01-TLB5 LG PHILPS TFT COLOR DOT FREE OF LM170E01-TLB1,P5,645CH,300NITS,8MS,700/1,LPL NJ/KUMI,P 6304FLP337A LCD(LIQUID CRYSTAL DISPLAY), LM190E03-TLBB LG PHILPS TFT COLOR DOT FREE OF LM190E03-TLB7,P4,645CH,300NITS,TN,8MS,LPL KUMI,PB FREE or 6304FLP336A LCD(LIQUID CRYSTAL DISPLAY), LM190E03-TLBA LG PHILPS TFT COLOR DOT FREE OF LM190E03-TLB5,P4,645CH,300NITS,TN,8MS,LPL KUMI,PB FREE...

  • Page 22: 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: 2005. 10. 21. DATE: 2005. 10. 21. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC.
  • Page 23 DATE: 2005. 10. 21. DATE: 2005. 10. 21. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C304 0CK224CF56A 0.22UF 1608 16V 10% R/TP X7R C338 0CH3104K566 0.1UF 50V 10% X7R 2012 R/TP C3040 0CK225DH94A "2.2UF 2012 25V 80%,-20% F(Y5"...
  • Page 24 DATE: 2005. 10. 21. DATE: 2005. 10. 21. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C416 0CH3104K566 0.1UF 50V 10% X7R 2012 R/TP ZD137 0DZ560009DA UDZ S 5.6B TP ROHM-K SOD323 C420 0CE107WF6DC 100UF MVK 16V 20% R/TP(SMD)
  • Page 25 DATE: 2005. 10. 21. DATE: 2005. 10. 21. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION L329 6200J00005E HH-1M2012-601JT CERATEC R/TP R1017 0RH4701D622 4.7K OHM 1 / 10 W 2012 5.00% L330 6200J00005E HH-1M2012-601JT CERATEC R/TP...
  • Page 26 DATE: 2005. 10. 21. DATE: 2005. 10. 21. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R150 0RJ2001D677 2K OHM 1/10 W 5% 1608 R/TP R3009 0RH0331D622 3.3 OHM 1 / 10 W 2012 5.00% R151 0RH1001D622 1K OHM 1 / 10 W 2012 5.00% D...
  • Page 27 DATE: 2005. 10. 21. DATE: 2005. 10. 21. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R383 0RH1502D622 15K OHM 1 / 10 W 2012 5.00% SW503 140-058E SKHV10910B LGEC NON 12V 20A R384 0RJ0472D677 47 OHM 1/10 W 5% 1608 R/TP...

  • Page 28: Schematic Diagram

    SCHEMATIC DIAGRAM 1. CONNETOR & JACK - 28 -...
  • Page 29 2. AUDIO AMP - 29 -...
  • Page 30 3. SCALER & VIDEO DEC (TDA15521) - 30 -...
  • Page 31 4. POWER - 31 -...
  • Page 32 5. TUNER (TAEW-G053P) - 32 -...
  • Page 33 Oct. 2005 P/NO : 38289S0041C Printed in Korea...

This manual is also suitable for:

Flatron m1917a

Table of Contents