LG FLATRONL1515S(K) Service Manual Download Page 13 | Manualshive

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2. NO RASTER (OSD IS NOT DISPLAYED) – LIPS

CHECK MICOM INV

ON/OFF PORT.

J705 PIN9

5V?

NO

NO RASTER

(OSD IS NOT DISPLAYED)

CHECK LIPS

J705

PIN5, PIN6

5V?

NO

1. CONFIRM BRIGHTNESS

OSD CONTRL STATE.

2. CHECK MICOM DIM-ADJ

PORT

J705 PIN10

5V?

NO

LIPS

CHECK

PULSE AS

CONTACTING SCOPE

PROBE TO CAUTION LABEL.

(CONTACT PROBE TO

CAUTION LABEL.

CAN YOU SEE PULSE

AT YOUR

SCOPE?

NO

REPLACE CCFL LAMP

IN THE LCD MODULE

YES

YES

YES

YES

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Summary of Contents for FLATRONL1515S(K)

Page 1: ...mail http www LGEservice com techsup html CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NO CL 61 MODEL L1515S L1515SM AL R AG R L1515S S L1515SM AG S L1515S K L1515SM AG B Same model for Service Same looking with new chassis ...

Page 2: ... 0 0 7 V a Color 0 0 0 Vp p b Color 7 0 0 35 Vp p c Color 15 0 0 7 Vp p 3 Input Impedance 75 Ω 3 3 Operating Frequency Horizontal 30 63kHz Vertical 56 75Hz 4 POWER SUPPLY 4 1 Power 100 240V 50 60Hz 0 6A 4 2 Power Consumption 5 ENVIRONMENT 5 1 Operating Temperature 10 C 35 C 50 F 95 F 5 2 Operating Humidity 10 80 5 3 MTBF 50 000 Hours Min Lamp Life 40 000 Hours Min 6 DIMENSIONS with TILT SWIVEL FUL...

Page 3: ... such as pencil or pen as this may result in damage to the panel Protect the 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 c...

Page 4: ...lution 640 x 350 720 x 400 640 x 480 640 x 480 640 x 480 640 x 480 800 x 600 800 x 600 800 x 600 800 x 600 832 x 624 1024 x 768 1024 x 768 1024 x 768 Total Period E 800 449 900 449 800 525 864 525 832 520 840 500 1024 625 1056 628 1040 666 1056 625 1152 667 1344 806 1328 806 1312 800 Video Active Time A 640 350 720 400 640 480 640 480 640 480 640 480 800 600 800 600 800 600 800 600 832 624 1024 76...

Page 5: ...lay settings always press the AUTO SELECT button before entering the On Screen Display OSD This will automatically adjust your display image to the ideal settings for the current screen resolution size display mode The best display mode is 1024x768 60Hz This feature lets you easily select the best desired image condition optimized to the environment ambient illumination image types etc DAY Bright ...

Page 6: ... allows you to secure the current control settings so that they cannot be inadvertently changed Press and hold the MENU button and button for 3 seconds the message CONTROLS LOCKED appears You can unlock the OSD controls at any time by pushing the MENU button and button for 3 seconds the message CONTROLS UNLOCKED will appear CONTROLS LOCKED UNLOCKED MENU and ...

Page 7: ... L L L o o o o w w w w V V V V o o o o l l l l t t t t a a a a g g g g e e e e D D D D i i i i f f f f f f f f e e e e r r r r e e e e n n n n t t t t i i i i a a a a l l l l S S S S i i i i g g g g n n n n a a a a l l l l i i i i n n n n g g g g LIPS 5V 5V AC I nput 3 3V Reg Diode KDS184 5V 3 3V 12V R G B H V Sync 3 3V 2 5V 3 3V 2 5V ...

Page 8: ...polates input to 1280 X 1024 resolution signal and outputs 8 bit R G B signal to transmitter 2 Power Part This part consists of the one 3 3V regulator and two 2 5V drop diodes to convert power which is provided 12V 5V in Power board 5V is provided for LCD panel and Micom Also 5V is converted 3 3V by regulator and 3 3V is converted 2 5V by drop diode Converted power is provided for IC in the main b...

Page 9: ...h 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 sta...

Page 10: ... 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 ...

Page 11: ...LS06 74LS06 OFF ON OFF ON 11 SERVICE OSD 1 Turn off the power switch at the front side of the display 2 Wait for about 3 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 MODULE To select applied module b NVRAM INIT EEPROM initialize 24C08 c ADC OFFSET The lowest value of input leves sets to digitally...

Page 12: ...UT A SHORT POINT AS OPENING EACH POWER LINE CHECK J705 VOLTAGE PIN5 PIN6 5V NO CHECK 5VS LINE OPEN CHECK CHECK U501 PIN 8 Voltage 5V NO NO NO CHECK U201 PIN 122 PULSE CHECK U201 CHECK 3 3V LINE CHECK X TAL IS U201 PIN114 3 3V VOLTAGE YES YES NO PROBLEM YES CHECK KEY CONTROL CONNECTOR ROUTINE YES ...

Page 13: ...NOT DISPLAYED CHECK LIPS J705 PIN5 PIN6 5V NO 1 CONFIRM BRIGHTNESS OSD CONTRL STATE 2 CHECK MICOM DIM ADJ PORT J705 PIN10 5V NO LIPS CHECK PULSE AS CONTACTING SCOPE PROBE TO CAUTION LABEL CONTACT PROBE TO CAUTION LABEL CAN YOU SEE PULSE AT YOUR SCOPE NO REPLACE CCFL LAMP IN THE LCD MODULE YES YES YES YES ...

Page 14: ...O CHECK U801 U201 PIN122 123 OSCILLATE AS 12MHZ CHECK CONNECTION LINE FROM D SUB TO U501 TROUBLE IN CABLE OR LCD MODULE YES YES YES 3 NO RASTER OSD IS NOT DISPLAYED MST9011B NO RASTER OSD IS NOT DISPLAYED U501 PIN43 IS 48KHz H SYNC PIN44 IS 60Hz V SYNC IS PULSE APPEARED AT SIGNAL PINS AT MODE 12 NO NO ...

Page 15: ... 15 4 TROUBLE IN DPM TROUBLE IN DPM TROUBLE IN U501 CHECK PC PC IS NOT GOING INTO DPM OFF MODE NO CHECK H V SYNC LINE NO YES YES CHECK R773 R775 SYNC CHECK U501 PIN 43 44 SYNC PULSE ...

Page 16: ... 16 EXPLODED VIEW 1 2 3 4 5 6 7 9 8 10 11 ...

Page 17: ...TAL DISPLAY LM150X06 A4N6 LG PHILPS TFT COLOR LVDS 250NIT XGA LCD LIQUID CRYSTAL DISPLAY LM150X06 A4K8 LG PHILPS TFT COLOR 5MASK LCD LIQUID CRYSTAL DISPLAY M150X4 L06 CHIMEI TFT COLOR CMO 15 TFT BACK COVER ASSEMBLY L1515SL 3808TKL051 L1515S BACK COVER ASSEMBLY L1515SL BK PC ABS L1515S S K BACK COVER ASSEMBLY L1515SL BK ABS L1515S S For AUSTRALIA TILT SWIVEL ASSEMBLY L1515SL STAND ASSY B C ASSY L15...

Page 18: ...1608 50V 10 R TP X7R C735 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C760 0CE107EF610 100UF KMG RD 16V 20 FL BULK C801 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y C803 0CE107EF610 100UF KMG RD 16V 20 FL BULK DATE 2004 2 11 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C804 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C805 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C806 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y C807 0...

Page 19: ... 1608 R TP R706 0RJ0752D677 75 OHM 1 10 W 5 1608 R TP R708 0RJ4700D677 470 OHM 1 10 W 5 1608 R TP R709 0RJ4700D677 470 OHM 1 10 W 5 1608 R TP R716 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R717 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R722 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R723 0RJ0332D677 33 OHM 1 10 W 5 1608 R TP R724 0RJ0332D677 33 OHM 1 10 W 5 1608 R TP R725 0RJ4701D677 4 7K OHM 1 10 W 5 160...

Page 20: ...SCHEMATIC DIAGRAM 20 1 SCALER 1 ...

Page 21: ... 21 2 MICOM ...

Page 22: ... 22 3 POWER ...

Page 23: ... 23 4 CONNECTOR JACKS ...

Page 24: ...Feb 2004 P NO 3828TSL097J Printed in Korea ...

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