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EXPLODED VIEW PARTS LIST

- 21 -

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3091TKL176T

CABINET ASSEMBLY, L1750B BRAND L122 ABS350 SILVER TCO03+8MS+F-ENGINE

3091TKL181X

CABINET ASSEMBLY, L1750B BRAND L122 SILVER TCO03+8MS+F-ENGINE LIFE GOOD FOR Australia-C/SKD

3091TKL181Q

CABINET ASSEMBLY, L1750B BRAND L122 SILVER ABS TCO03+8MS+F-ENGINE WA LOCAL-C/SKD-For Europe

3091TKL176W

CABINET ASSEMBLY, L1750B BRAND L122 ABS350 SILVER TCO03+8MS+F-ENGINE LOCAL-C/SKD-For Russia

3091TKL181V

CABINET ASSEMBLY, L1750B BRAND L122 BLACK PC-ABS TCO99+8MS+F-ENGINE U.S VER

3091TKL181W

CABINET ASSEMBLY, L1750B BRAND L122 BLACK ABS TCO99+8MS+F-ENGINE LIFE GOOD FOR Australia-C/SKD

3091TKL176Y

CABINET ASSEMBLY, L1750B BRAND L122 ABS350 BLACK TCO99+8MS+F-ENGINE LOCAL-C/SKD-For Russia

3091TKL175K

CABINET ASSEMBLY, L1950B BRAND 123 SILVER ABS F-ENGINE 8MS+TCO03.-For Singapore,Israel,U.K

30919L0009A

CABINET ASSEMBLY, L1950B BRAND .. 123 SILVER ABS 8MS + TCO03 + Australia VER + LIFE IS GOOD

30919L0009L

CABINET ASSEMBLY, L1950B BRAND 123 F-8MS+TCO03, SILVER WA-LOCAL-C/SKD-For Europe

3091TKL175P

CABINET ASSEMBLY, L1950B BRAND 123 SILVER ABS F-ENGINE 8MS+TCO03 K-C/SKD-For Russia

30919L0009Y

CABINET ASSEMBLY, L1950B BRAND 123 F-TCO99+8MS BLACK Austrail-VER LIFE IS GOOD

3091TKL175R

CABINET ASSEMBLY, L1950B BRAND 123 BLACK ABS F-ENGINE 8MS+TCO99-For Israel

30919L0009W

CABINET ASSEMBLY, L1950B BRAND 123 F-TCO99+8MS BLACK PC+ABS-For U.S

3091TKL175T

CABINET ASSEMBLY, L1950B BRAND 123 BLACK ABS F-ENGINE 8MS+TCO99 R-C/SKD

6304FLP302A

LCD(LIQUID CRYSTAL DISPLAY), LM170E01-TLB8 LG PHILPS TFT COLOR P5,645CH,300NITS(DBEF-D),8MS,600/1,LPL NJ/KUMI,PB FREE,EGI,OKI S D

or 6304FLP305A

LCD(LIQUID CRYSTAL DISPLAY), LM170E01-TLB9 LG PHILPS TFT COLOR DOT FREE OF LM170E01-TLB8,P5,645CH,300NITS(DBEF-D),8MS,600/1,LPL N

6304FLP310A

LCD(LIQUID CRYSTAL DISPLAY), LM190E03-TLB5 LG PHILPS TFT COLOR P4,645CH,300NITS,TN,8MS,LPL KUMI,PB FREE,EGI,OKI S D-IC,SXGA,LVDS

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

or 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 6304FLP313A

LCD(LIQUID CRYSTAL DISPLAY), LM190E03-TLB8 LG PHILPS TFT COLOR P3,645CH,300NITS,TN,8MS,LPL KUMI,PB FREE,EGI,NEC S D-IC,SXGA,LVDS

or 6304FLP312A

LCD(LIQUID CRYSTAL DISPLAY), LM190E03-TLB7 LG PHILPS TFT COLOR P4,645CH,300NITS,TN,8MS,LPL KUMI,PB FREE,EGI,NEC S D-IC,SXGA,LVDS

3809TKL100B

BACK COVER ASSEMBLY, L1750B L100 ABS350 9930(BK)-SILVER

3809TKL100F

BACK COVER ASSEMBLY, L1750H L100 PC+ABS 9930(BK) DUAL US-VER-BLACK

3809TKL101B

BACK COVER ASSEMBLY, L1950H L101 BRAND ABS350 9930(BK)-SILVER

3809TKL101D

BACK COVER ASSEMBLY, L1950H L101 BRAND ABS350 9930(BK) B-C/SKD

3809TKL101L

BACK COVER ASSEMBLY, L1950H L101 PC+ABS US VER.-BLACK

3043TKK270A

TILT SWIVEL ASSEMBLY, L1750B/E .. STAND BODY

3043TKK270C

TILT SWIVEL ASSEMBLY, L1750B/E .. STAND BODY  A-C/SKD

3043TKK270B

TILT SWIVEL ASSEMBLY, L1950B/E .. STAND BODY

3043TKK270D

TILT SWIVEL ASSEMBLY, L1950B/E .. STAND BODY B-C/SKD

3043TKK271A

TILT SWIVEL ASSEMBLY, SLIM HEIGHT .. STAND BASE

3043TKK271B

TILT SWIVEL ASSEMBLY, SLIM HEIGHT .. STAND BASE A-C/SKD

6871TST798A

PWB(PCB) ASSEMBLY,SUB, L1750 CONTROL TOTAL BRAND KEY

6871TST798D

PWB(PCB) ASSEMBLY,SUB, L1750 CONTROL TOTAL BRAND LGEDI C/SKD LF-For Australia

6871TST798B

PWB(PCB) ASSEMBLY,SUB, L1750 CONTROL TOTAL BRAND NT C/SKD-For Europe,Russia

6871TST911A

PWB(PCB) ASSEMBLY,SUB, L1950 CONTROL TOTAL BRAND KEY

6871TST911B

PWB(PCB) ASSEMBLY,SUB, L1950 CONTROL TOTAL BRAND NT C/SKD LF

4951TKS199A

METAL ASSEMBLY, FRAME MAIN L1750 LPL-A5 KUMI

4951TKS199B

METAL ASSEMBLY, FRAME MAIN L1750 A-C/SKD-AU

4951TKS200E

METAL ASSEMBLY, FRAME CMO TN-L1950B

4951TKS200F

METAL ASSEMBLY, FRAME E-C/SKD-L1950B

6871TPT312A

PWB(PCB) ASSEMBLY,POWER, L1750** UNION POWER TOTAL BRAND 4-LAMP(17/19)

33139L7003A

MAIN TOTAL ASSEMBLY, L1750B-XFN BRAND CL-83

33139L7003F

MAIN TOTAL ASSEMBLY, L1750B-XFN E DI C/SKD BRAND CL-83 LF-For Australia

33139L7003C

MAIN TOTAL ASSEMBLY, L1750B-XFN NT C/SKD BRAND CL-83-For Europe,Russia

33139L9004A

MAIN TOTAL ASSEMBLY, L1950B-XFN BRAND CL-83 LF

33139L9004C

MAIN TOTAL ASSEMBLY, L1950B-XFN NT C/SKD BRAND CL-83 LF

4951TKS203A

METAL ASSEMBLY, REAR SHIELD LX50 KUMI

4951TKS203B

METAL ASSEMBLY, REAR SHIELD LX50 KUMI A-C/SKD-Australia,Europe

3550TKK740A

COVER, L1750 BACK DOOR BRAND

3550TKK741A

COVER, L1950 BACK DOOR BRAND

3550TKK741B

COVER, L1950 BACK DOOR BRAND A-C/SKD

6410TBW004A

POWER CORD, LP-61+LS-60 LONGWELL BSI 1870MM WALL CD/PB FREE BLACK-For Singapore,U.K

6410TSW003A

POWER CORD, LP-23A+LS-13 LONGWELL SAA 1870MM WALL CD/PB FREE BLACK-For Australia

6410TEW010A

POWER CORD, LP34A+LS60 LONGWELL VDE/SEMKO 1870MM WALL CD/PB FREE BLACK-For Europe

6410TPW003A

POWER CORD, LP-33+LS-60 LONGWELL PCT 1870MM WALL  CD/PB FREE BLACK-For Russia

6410TUW008A

POWER CORD, LP31+LS13 LONGWELL UL/CSA 1870MM WALL CD/PB FREE BLACK-For U.S

6410TLW002A

POWER CORD, LP-42+LS-60 LONGWELL SII 1870MM WALL CD/PB FREE BLACK-For Israel

Description

Part No.

Ref. No.

Содержание L1950B

Страница 1: ...www LGEservice com techsup html CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NO CL 83 MODEL L1750B L1750B SFN AN QP L1750B L1750B BFN AN EP L1950B L1950B SFN AX QP L1950B L1950B BFN AX EP Same model for Service To apply the MSTAR Chip ...

Страница 2: ...ng Chart 3 1 Sync Signal Type Separate Sync Digital SOG Sync On Green 3 2 Video Input Signal 1 Type R G B Analog 2 Voltage Level 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 Analog 30 83kHz Horizontal Digital 30 71kHz Vertical 56 75Hz 4 MAX RESOLUTION D sub Analog 1280 x 1024 75Hz DVI Digital 1280 x 1024 60Hz 5 POW...

Страница 3: ... Sync T M D S Data1 T M D S Data1 T M D S Data1 3 Shield T M D S Data3 T M D S Data3 5V Power Ground return for 5V H Sync and V Sync Pin Signal DVI D 1 8 9 17 24 16 16 17 18 19 20 21 22 23 24 Hot Plug Detect T M D S Data0 T M D S Data0 T M D S Data0 5 Shield T M D S Data5 T M D S Data5 T M D S Clock Shield T M D S Clock T M D S Clock T M D S Transition Minimized Differential Signaling DVI D Connec...

Страница 4: ... 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 circuit within the module If the surface of panel become dirty pl...

Страница 5: ...st receiver ground lead to the receiver chassis ground before connecting the test receiver positive lead Always remove the test receiver ground lead last 9 Use with this receiver only the test fixtures specified in this service manual CAUTION Do not connect the test fixture ground strap to any heat sink in this receiver Electrostatically Sensitive ES Devices Some semiconductor solid state devices ...

Страница 6: ...tip as the solder melts 2 Draw away the melted solder with an anti static suction type solder removal device or with solder braid before removing the IC Replacement 1 Carefully insert the replacement IC in the circuit board 2 Carefully bend each IC lead against the circuit foil pad and solder it 3 Clean the soldered areas with a small wire bristle brush It is not necessary to reapply acrylic coati...

Страница 7: ...onnection 4 Route the jumper wire along the path of the out away copper pattern and let it overlap the previously scraped end of the good copper pattern Solder the overlapped area and clip off any excess jumper wire At Other Connections Use the following technique to repair the defective copper pattern at connections other than IC Pins This technique involves the installation of a jumper wire on t...

Страница 8: ...0 640 x 480 V 75 500 480 1 3 16 5 H 40 0 37 879 1056 800 40 128 88 800 x 600 V 60 317 628 600 1 4 23 6 H 49 5 46 875 1056 800 16 80 160 800 x 600 V 75 0 625 600 1 3 21 7 H 57 283 49 725 1152 832 32 64 224 832 x 624 V 74 55 667 624 1 3 39 8 H 65 0 48 363 1344 1024 24 136 160 1024 x 768 V 60 0 806 768 3 6 29 9 H 78 75 60 123 1312 1024 16 96 176 1024 x 768 V 75 029 800 768 1 3 28 10 H 100 0 68 681 14...

Страница 9: ...oor Remove tape from metal frame Remove the 6 screws from each up of metal frame 2 3 4 5 6 Remove Al tape from control pcb fix Remove the 4 screws from each side of metal frame 1 Pull the front cover upward 2 Then let the all latches are separated 3 Put the front face down 7 8 ...

Страница 10: ...DC LVDS SCALER INPUT SWITCHING TMDS MTV312 MICOM LCD Module R G B differential LIPS 5V 5V AC I nput TSU56AL TR KTA 1273 12V DVI D R G B H V Sync Digital Signal 1 8V 3 3V 1 8V 3 3V1 3 3V Reg 78D33 5V 3 3V LVDS Low Voltage Differential Signaling ...

Страница 11: ...alog to digital interpolates 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 3 3V regulator to convert power which is provided 12V 5V in Power board 5V is provided for MICOM and LCD panel 5V is converted 3 3V by regulator and 3 3V is converted 1 8V by scaler KTA1273 Converted power is provided for IC in the main board 3 MI...

Страница 12: ...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...

Страница 13: ... 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: ...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 Auto Color W B balance and Automatically sets the gain and offset value b NVRAM INIT EEPROM initialize 24C08 c CLEAR ETI To initialize using time d AGING Select Aging mode on off e R G B 9300K Allows you to set the R G B 9300...

Страница 15: ...CK U201 NO NO NO CHECK POWER BOARD AND FIND OUT A SHORT POINT AS OPENING EACH POWER LINE CHECK 5VS LINE OPEN CHECK CHECK 3 3V LINE NO CHECK X TAL YES YES YES YES CHECK J705 VOLTAGE PIN5 PIN6 5V CHECK U501 PIN 8 VOLTAGE 5V IS U201 PIN90 3 3V VOLTAGE CHECK U201 PIN 96 PULSE 1 NO PROBLEM 1 Waveforms U201 96 ...

Страница 16: ...ARD AND FIND OUT A SHORT POINT AS OPENING EACH POWER LINE CHECK MICOM INV ON OFF PORT 1 CONFIRM BRIGHTNESS OSD CONTRL STATE 2 CHECK MICOM DIM ADJ PORT LIPS YES YES YES YES J705 PIN5 PIN6 5V J705 PIN9 2 5V J705 PIN10 5V CHECK PULSE AS CONTACTING SCOPE PROBE TO CAUTION LABEL CONTACT PROBE TO CAUTION LABEL CAN YOU SEE PULSE AT YOUR SCOPE ...

Страница 17: ... NO TROUBLE IN CABLE OR LCD MODULE CHECK U801 17 19 CHECK U803 15 1 CHECK PIN122 123 SOLDERING CONDITION 2 CHECK X501 3 TROUBLE IN U201 CHECK CONNECTION LINE FROM D SUB TO U501 YES YES YES U201 PIN 18 90 3 3V U201 PIN96 97 OSCILLATE AS 12MHZ U501 PIN43 IS 48KHz H SYNC PIN44 IS 60Hz V SYNC IS PULSE APPEARED AT SIGNAL PINS AT MODE 12 1 2 ...

Страница 18: ...DPM TROUBLE IN DPM NO NO TROUBLE IN U501 CHECK PC PC IS NOT GOING INTO DPM OFF MODE CHECK H V SYNC LINE YES YES CHECK R216 R217 R778 R781 CHECK U501 PIN 43 44 SYNC PULSE 3 3 Waveforms R216 R778 H Sync 3 R217 R781 V Sync ...

Страница 19: ...WIRING DIAGRAM 19 Connector Ass y P N 6631T11012W or 6631T11020W Connector Ass y P N 6631T11017X L1750B 6631T11017Y L1950B Connector Ass y P N 6631T20023A or 6631T20034M ...

Страница 20: ...EXPLODED VIEW 20 010 040 050 020 070 080 090 100 120 030 110 060 ...

Страница 21: ...LG PHILPS TFT COLOR P4 645CH 300NITS TN 8MS LPL KUMI PB FREE EGI NEC S D IC SXGA LVDS 3809TKL100B BACK COVER ASSEMBLY L1750B L100 ABS350 9930 BK SILVER 3809TKL100F BACK COVER ASSEMBLY L1750H L100 PC ABS 9930 BK DUAL US VER BLACK 3809TKL101B BACK COVER ASSEMBLY L1950H L101 BRAND ABS350 9930 BK SILVER 3809TKL101D BACK COVER ASSEMBLY L1950H L101 BRAND ABS350 9930 BK B C SKD 3809TKL101L BACK COVER ASS...

Страница 22: ...608 50V 10 R TP X7R C738 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C743 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R DATE 2005 07 07 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C744 0CC680CK41A 68PF 1608 50V 5 R TP NP0 C803 0CE107EF610 100UF KMG RD 16V 20 FL BULK C805 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R L1750B C809 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y C812 0CE107EF610 100UF KMG RD 16V 20 FL BULK C8...

Страница 23: ...P R727 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R728 0RJ0222D677 22 OHM 1 10 W 5 1608 R TP R729 0RJ0222D677 22 OHM 1 10 W 5 1608 R TP R730 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R731 0RJ4700D677 470 OHM 1 10 W 5 1608 R TP R737 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP R744 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R747 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R751 0RJ4700D677 470 OHM 1 10 W 5 1608 R TP DATE...

Страница 24: ...SCHEMATIC DIAGRAM 24 1 TSU56AL TSU16AL 1 Waveforms U201 96 97 3 R216 R778 H Sync 3 R217 R781 V Sync 1 3 ...

Страница 25: ... 25 2 MICOM 2 U501 43 H SYNC 2 U501 44 V SYNC Waveforms 2 ...

Страница 26: ... 26 3 POWER ...

Страница 27: ... 27 4 CONNECTOR JACKS 3 Waveforms R216 R778 H Sync 3 R217 R781 V Sync 3 ...

Страница 28: ...Nov 2005 P NO 38289S0033R Printed in Korea ...

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