LG L2000C - - 20.1" LCD Monitor Скачать руководство пользователя страница 1

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COLOR MONITOR

SERVICE MANUAL

Website:http://biz.LGservice.com

E-mail:http://www.LGEservice.com/techsup.html

CAUTION

BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS NO. : LM62A

MODEL:

L1970HR (L1970HR-BFR.A**RQP)

( ) **Same model for Service

Содержание L2000C - - 20.1" LCD Monitor

Страница 1: ...UAL Website http biz LGservice com E mail http www LGEservice com techsup html CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NO LM62A MODEL L1970HR L1970HR BFR A RQP Same model for Service ...

Страница 8: ... Hinge Cover Remove the screws 1 Remove the screws 1 Disassemble Control PCB 2 Put the front face down 1 Pull the front cover upward 2 Then let the all latches are separated 2 3 4 5 6 Disassemble back cover Pull out the cable 7 ...

Страница 9: ...UT SWITCHING TMDS MICOM ODC M25P10 flash memory LCD Module LVDS Low Voltage Differential Signaling 5V 1 8V Reg LD1117S18 DVI D R G B H V Sync Digital Signal 1 8V 3 3V 1 8V 3 3V 3 3V Reg 78D33 5V 3 3V MP1583DN 12V 5V Power Inverter Adapter 12V Inverter Control 3 3V ...

Страница 12: ... 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 ...

Страница 14: ...T WITH ANOTHER ONE 1 Waveforms U101 127 CHECK U101 AND U102 NO NO CHECK U503 AND AROUND CIRCUIT CHECK U501 NO CHECK U502 YES CHECK J406 VOLTAGE PIN 1 12V CHECK U503 PIN 5 VOLTAGE 5V IS U501 PIN3 3 3V VOLTAGE IS U502 PIN2 1 8V VOLTAGE NO CHECK X TAL CHECK U101 PIN 127 PULSE 1 YES YES YES YES ...

Страница 15: ...12V LINE AND FIND OUT A OPEN POINT AS OPENING EACH POWER LINE CHECK MICOM INV ON OFF PORT CHECK SCALER DIM ADJ PORT REPLACE INVERTER AND RECHECK J403 PIN1 PIN2 12V J403 PIN7 3 3V J403 PIN6 AND PULSE CHECK PULSE AS CONTACTING SCOPE PROBE TO CAUTION LABEL CONTACT PROBE TO CAUTION LABEL CAN YOU SEE PULSE AT YOUR SCOPE YES YES YES YES ...

Страница 16: ...ECK C110 C109 SOLDERING CONDITION 2 CHECK X101 3 TROUBLE IN U101 CHECK CONNECTION LINE FROM D SUB TO U101 U101 PIN127 128 OSCILLATE AS 14 31MHZ U101 PIN32 IS 48KHz H SYNC PIN33 IS 60Hz V SYNC IS PULSE APPEARED AT SIGNAL PINS AT MODE 12 1 2 1 2 Waveforms U101 127 128 U101 32 H SYNC 2 U101 33 V SYNC YES YES YES U101 PIN 71 87 3 3V ...

Страница 17: ...ROUBLE IN DPM TROUBLE IN DPM NO NO TROUBLE IN U101 CHECK PC PC IS NOT GOING INTO DPM OFF MODE CHECK H V SYNC LINE CHECK R458 R459 CHECK U101 PIN 32 33 SYNC PULSE 3 3 Waveforms R458 H Sync 3 R459 V Sync YES YES ...

Страница 18: ... 18 WIRING DIAGRAM 6631T12006F 6631T12006L 6631900080A 30P 7P 6P ...

Страница 19: ... 19 EXPLODED VIEW 010 020 060 070 080 090 100 030 110 050 040 ...

Страница 20: ...SCHEMATIC DIAGRAM 23 1 SCALER ...

Страница 21: ... 24 2 POWER WAFER ...

Страница 22: ... 25 3 DC DC BLOCK ...

Страница 23: ...Jun 2006 P NO 38289S0041 Printed in Korea ...