LG FLATRON W2243T Service Manual
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LG FLATRON W2243T Service Manual

Color monitor
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See also: Owner's Manual , User Manual

COLOR MONITOR

SERVICE MANUAL

MODEL: 
LGD TLA1, W2243T-PFT.A**VAPH for AUO V0 )
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
                                                                                                                                                              *To apply the Novatek Chip. 
W2243T
( W2243T-PFT.A**NAPH for
- 1 -
E-mail: http://www.LGEservice.com/techsup.html
**Sales Market

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Summary of Contents for LG FLATRON W2243T

  • Page 1: Color Monitor

    E-mail: http://www.LGEservice.com/techsup.html COLOR MONITOR SERVICE MANUAL W2243T MODEL:  ( W2243T-PFT.A**NAPH for LGD TLA1, W2243T-PFT.A**VAPH for AUO V0 ) **Sales Market CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.                                                                                                                                                               *To apply the Novatek Chip.  - 1 -...

  • Page 2: Table Of Contents

    CONTENTS SPECIFICATIONS ...........2 SERVICE MODE ............18 PRECAUTIONS ............3 TROUBLESHOOTING GUIDE ......19 TIMING CHART ............7 WIRING DIAGRAM ........... 25 DISASSEMBLY ............9 EXPLODED VIEW............26 BLOCK DIAGRAM...........12 REPLACEMENT PARTS LIST ......... 28 DISCRIPTION OF BLOCK DIAGRAM ....14 DIFFERENT PARTS LIST…......... 37 ADJUSTMENT ............

  • Page 3: Precautions

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  • Page 7: Timing Chart

      TIMING CHART Front Back Resol- Frequency Total Display Porc Mode Section Polarity CLOCK Porch ution [kHz]/[Hz] Period(E) [MHz] H(Pixels) 31.469 640 x 25.175 V(Lines) 70.09 H(Pixels) 31.468 720 X 28.321 V(Lines) 70.08 H(Pixels) 31.469 640 x 25.175 V(Lines) 59.94 H(Pixels) 37.5 640 x...
  • Page 8     Front Sync Back Resol- Frequency Total Display Mode Section Polarity CLOCK Porch Porch ution [kHz]/[Hz] Period(E) [MHz] H(Pixels) 68.681 1456 1152 1152 x 100.0 V(Lines) 75.062 H(Pixels) 61.805 1504 1152 1152 x 92.978 V(Lines) 65.96 H(Pixels) 63.981 1688 1280 1280 x 108.0...

  • Page 9: Disassembly

      DISASSEMBLY-Set Put the monitor on a soft flat. Revolve the release button.   Consequently, pull the base directly. The base. Put the front cover upward. Then let the all Put the front face down, disassembly back latches are separated. cover.
  • Page 10   ＃8 Pull the key board out of bezel. Disassembly the bezel. Disassembly the LVDS cable. Disassemble the connector. Main board and power board. The panel. - 10 -...
  • Page 11   Rear cover and hinge ASS’Y. Disassemble the rear cover and hinge ASS’Y. Disassemble the hinge and stand. Hinge top, hinge and stand. - 11 -...

  • Page 12: Block Diagram

      BLOCK DIAGRAM - 12 -...
  • Page 13   BLOCK DIAGRAM-POWER Power EMI filter Rush Rectification Transformer Diode   100~240V prevention rectifier   Starting resistor Switching Feedback 5V/16V circuit (PWM OVP protect control output OVP control IC & circuit circuit MOSFER) Inverter LC resonance Transformer Push-pull conversion circuit 2 CCFL lamps OVP circuit VDDA...

  • Page 14: 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 148.5MHz.

  • Page 15: Lips Board Block Diagram

      LIPS Board Block Diagram 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. 2.

  • Page 16: Adjustment

      ADJUSTMENT Windows EDID V1.0 User Manual Operating System: DOS, windows98, 2000, XP 1. Parallel port setting Enter your bios, and do as followings. a) Integrated peripheral b) Super IO Device c) Parallel port mode you should set the” parallel port mode” to SPP for using the DOS EDID tool surely. 2.
  • Page 17   Please check Manufacturer Name、 Vendor Assigned Code、 Monitor Name、 Serial Number： *****[???????? ******] (it must be the same as Bar Code)、 Week of Manufacture：**、Year of Manufacture：****、Check sum：** (It must be the same as the last byte of data table, as follows picture shows). Above of all must be right, then if it shows the green “PASS”, it means record succeeds ,the red “Fail”...

  • Page 18: Service Mode

        SERVICE MODE       1) Turn off the power switch at the front side of the 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) CLEAR ETI: To initialize using time.

  • Page 19: Troubleshooting Guide

      TROUBLESHOOTING GUIDE 1. NO POWER   No Power (Power Indicator Off) Check the Adapter/Inverter Please reinsert and section make sure the AC of 100-240v is normal Measure U704 Check CN701 or replace PIN2=1.8V U704, and U703 U703 PIN2=3.3V Check X401 oscillate Replace X401 waveforms are normal  ...
  • Page 20   2. NO RASTER (OSD IS NOT DISPLAY)-LIPS   No Raster (OSD Is Not Displayed) Check power board and find out a Check CN701 short point as penning each power PIN 6, PIN7 =5V? line Check U703 Check U703 Check C706,C707 PIN 2 =3.3V? 1.
  • Page 21   3. NO RASTER (OSD IS NOT DISPLAY)-MSTAR   No Raster (OSD Is Not Displayed) SCALER PIN 127, 1. Check C420 C421 128 OSCILLATES 2. Check X401 AS 12MHZ? 3. TROUBLE IN SCALER IC CHECK CONNECTION SCALER IC LINE FROM D-SUB TO PIN 41 H SYNC ? SCALER PIN 42 V SYNC?
  • Page 22   4. TROUBLE IN DPM   TROUBLE IN DPM SCALER IC PIN 41 H SYNC? CHECK H/V SYNC LINE PIN 42 V SYNC? TROUBLE IN CABLE OR LCD MODULE - 22 -...
  • Page 23   5. POWER No Power (Power Indicator Off) Check AC line Check AC line volt Check F901, BD901 Check the voltage of C907(+) Check start Check D901, R903, voltage for the pin1 R904,R905,U901 of U901 Check U901 pin 6 Check D902,C911   Vcc is 13v? Check U901 PIN5 Check D904,Q901  ...
  • Page 24   6. RASTER   NO Raster (Lamp Off) Check C804 (+) Check power section =16V Check Interface section or Check ON/OFF main board   signal CheckIC801 pin Check C808, C809, C810 11=5V?   Check IC801 Check IC801 pin 1/pin 14 Pin8/pin9 have the output of sawtooth Replace IC801...

  • Page 25: Wiring Diagram

      WIRING DIAGRAM 095G8018 3D677 095G 825 9W524 095G820H 6D515 - 25 -...

  • Page 26: Exploded View

      EXPLODED VIEW     - 26 -...

  • Page 27: Exploded View Parts List

      EXPLODED VIEW PARTS LIST Ref. No. TPV part no. LGE part no. Description 705GQ9CS027 BEZEL ASSY 705GQ9CS026 BEZEL ASSY KEPC8QG2 KEY BOARD 750GLU215H1013N000 PANEL M215HW01 V00 XM AUO 750GLU215H1013M0LG PANEL M215HW01 V000 XM AUO 750GLG215W1A13M0LG PANEL LM215WF1-TLA1 GZ LGD 756GQ8CB KL013 MAIN BOARD-CBPCRNDLGQ2 756GQ9CB KL002...

  • Page 28: Replacement Parts List

      REPLACEMENT PARTS LIST DATE: 2009. 3. 27 TIRANDNBMWLFHN LOC. NO. PART NO. DESCRIPTION MAIN BOARD CAPACITOR C102 065G0402473 12 CHIP 0.047UF 16V X7R C103 065G0402220 31 CHIP 22PF 50V NPO C104 065G0402220 31 CHIP 22PF 50V NPO C105 065G0402509 31 CHIP 5PF 50V NPO C106 065G0402473 12...
  • Page 29   C435 065G040210412T CHIP 0.1UF 16V X7R C438 065G0805105 12 1UF +-10% 6V X7R C439 065G060310517T MLCC 0603 CAP 1UF Z 16V Y5V C440 065G0805475A7Z CAP CHIP 4.7UF 10V Y5V -20%~+80% C442 065G040210412T CHIP 0.1UF 16V X7R C446 065G040210412T CHIP 0.1UF 16V X7R C447 065G040210412T CHIP 0.1UF 16V X7R...
  • Page 30   R113 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R114 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R115 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R116 061G0402750 RST CHIPR 75 OHM +-5% 1/16W R117 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R118 061G0402101 RST CHIPR 100 OHM +-5% 1/16W...
  • Page 31   R439 061G0402000 RST CHIP MAX 0R05 1/16W R444 061G0402392 RST CHIP 3.9K 1/16W 5% R445 061G0402392 RST CHIP 3.9K 1/16W 5% R446 061G0402000 RST CHIP MAX 0R05 1/16W R462 061G0402105 RST CHIPR 1MOHM +-5% 1/16W R465 061G0402222 RST CHIPR 2.2 KOHM +-5% 1/16W R466 061G0402000 RST CHIP MAX 0R05 1/16W...
  • Page 32   C820 065G 3J5606ET CAP CER 56PF J 3KV C821 065G 3J5606ET CAP CER 56PF J 3KV C822 065G 3J5606ET CAP CER 56PF J 3KV C823 065G0805474 22 CHIP 0.47UF 25V X7R 0805 C900 065G306M4722BP 4700PF +-20% 400VAC C901 065G306M1022BP 1000PF Y1.CAP C902 065G306M1022BP...
  • Page 33   D905 093G 52 66 DIODE FMX-12SL 10A/200V TO-220 D905 093G 60316 DIODE FCH10A20 10A/200V TO-220 D906 093G 60309 DIODE SB560 5A/60V DO-201AD D906 093G 60517 DIODE 50PQSA065FC13A 5A/65V NIHON INTER ZD802 093G 39S 24 T RLZ 5.6B LLDS ZD802 093G 39GA01 T RLZ5.6B ZD803...
  • Page 34   R809 061G0603105 RST CHIPR 1M OHM +-5% 1/10W R810 061G0603100 3F RST CHIPR 100 KOHM +-1% 1/10W R811 061G0805820 2F RST CHIPR 82KOHM +-1% 1/8W R812 061G0805104 RST CHIPR 100K OHM +-5% 1/8W R813 061G0603104 RST CHIPR 100 KOHM +-5% 1/10W R815 061G0603750 1F RST CHIPR 7.5 KOHM +-1% 1/10W...
  • Page 35   R926 061G0603100 1F RST CHIPR 1 KOHM +-1% 1/10W R927 061G0805102 RST CHIPR 1K OHM +-5% 1/8W R928 061G0603953 1F RST CHIP 9.53K 1/10W 1% R930 061G0603910 1F RST CHIPR 9.1 KOHM +-1% 1/10W R931 061G1206479 RST CHIPR 4.7OHM +-5% 1/4W R932 061G0603000 RST CHIP MAX 0R05 1/10W...
  • Page 36   J801 095G 90 23 JUMPER WIRE J802 095G 90 23 JUMPER WIRE J803 095G 90 23 JUMPER WIRE J804 095G 90 23 JUMPER WIRE J805 095G 90 23 JUMPER WIRE J806 095G 90 23 JUMPER WIRE J807 095G 90 23 JUMPER WIRE J808 095G 90 23...

  • Page 37: Different Parts List

      DIFFERENT PARTS LIST W2243T Diversity of TI9GNDM8MWLGNN Compared with TIRANDNBMWLFHN Location Part No. for TPV Description 750GLG215W1A13M0LG PANEL LM215WF1-TLA1 GZ LGD 756GQ9CB KL002 MAIN BOARD-CBPCRNDLGQ2 SMTCR-U402 100GKNGI000NT1 MCU ASS'Y-   056G1133 81 Q34G0576 B6B2B0100 BEZEL L215W-9LG - 37 -...

  • Page 38: Schematic Diagram

      SCHEMATIC DIAGRAM 1. SCALER   FB102 R102 VGA_B+ R105 100R 1/16W 5% C102 0R05 1/10W 5% BEAD 0.047uF H_Sy nc R103 100R 1/16W 5% V_Sy nc R104 R108 C105 100R 1/16W 5% 5pF/50V 5VCC 75R 1/16W 5% R106 R107 C103 C104 VGA_B-...
  • Page 39   CN302 CN301 LVB0M RXO0- PANEL_VCC LVB0P RXO0+ LVB0M RXO0- RXO0+ LVB0P LVB1M RXO1- FB301 LVB1M RXO1- RXO1+ LVB1P LVB1P RXO1+ LVB2M RXO2- RXO2+ LVB2P LVB2M RXO2- LVBCKM RXOC- RXOC+ LVBCKP LVB2P RXO2+ LVB3M RXO3- RXO3+ LVB3P LVA0M RXE0- RXE0+ LVA0P 120 OHM C305...
  • Page 40   5VCC CN701 Both 223 and 252 5VCC foot-print R701 NC/10K 1/16W 5% BKLT-VBRI BKLT-EN R710 NT60670B OPTION PANEL_ID# 5 R703 NC/10K 1/16W 5% Volume# 5 R707 NC/4K7 1/16W 5% Mute 5 U704 SOT223 AP1117E18LA C703 CONN C701 C710 C712 NC/0.1UF 16V NC/1N 50V lock type...
  • Page 41   DVDD DVDD FB403 C401 R414 C411 U402 VCC1.8 CVDD 300OHM 0.22uF16V R440 R441 NC/0.22uF16V FB401 FB406 SPI_CE NC/4K7 1/16W 5% NC/4K7 1/16W 5% U403 AVCC PVCC 300 OHM 300OHM SPI_SO HOLD# R409 100R 1/16W 5% SPI_CK SPI_SI EE_WP C406 C407 C442 R413...
  • Page 42   2. POWER R942 100R 1/8W 5% R941 FB907 +16Vi 100R 1/8W 5% C913 C925 0.001uF 0.001uF R915 L903 BEAD F802 FUSE 100R 1/8W 5% RJ938 0 OHM 3/4W +16V BD901 R916 KBJ408G T901 C923 POWER X'FMR 100R 1/8W 5% ZD901 C907 C912...
  • Page 43   3. INVERTER R817 +16V 2R2 1/8W 5% Q805 ZD802 ON/OFF RLZ5.6B ZD803 G1 D1 RLZ5.6B R816 2R2 1/8W 5% R802 +5Vi CN801 C815 R803 R804 PT801 AO4620 5K1 1/8W 5% 5K1 1/8W 5% POWER X'FMR C819 22R 1/8W 5% 56pF3KV 0.47UF/50V C803...
  • Page 44   Mar.2009 P/NO: Printed in China - 44 -...

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