LG L3200A Service Manual
LG L3200A Manual
 |
View all LG L3200A manuals
Add to My Manuals
Save this manual to your list of manuals |
LG L3200A manual content summary:
- LG L3200A | Service Manual - Page 1
http://www.LGEservice.com/techsup.html COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CL-70 MODEL: L3200A (L3200AC.AL**A) L3200A (L3200ATC.AL**A) L3200A (L3200AFC.AL**A) L3200A (L3200AKC.AL**A) ( ) **Same model for Service CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS - LG L3200A | Service Manual - Page 2
SERVICE OSD 13 TROUBLESHOOTING GUIDE 14 WIRING DIAGRAM 21 EXPLODED VIEW 22 REPLACEMENT PARTS LIST 24 SCHEMATIC DIAGRAM 34 SPECIFICATIONS 1. LCD CHARACTERISTICS Type : TFT Color LCD level Lamp Life : 50,000 Hours(Min.) 7. DIMENSIONS L3200AC/L3200AKC Width Depth Height : 803 mm (31.61'') - LG L3200A | Service Manual - Page 3
If the wires are pressed cause short and may burn or take fire. TAKE CARE DURING HANDLING THE LCD MODULE WITH BACKLIGHT UNIT. • Must mount the module using mounting holes arranged in four corners. • Do only a plastic screwdriver to protect yourself from shock hazard during service operation. -3- - LG L3200A | Service Manual - Page 4
with high voltage. 4. Do not spray chemicals on or near this receiver or any of its assemblies. 5. Unless specified otherwise in this service manual, clean electrical contacts only by applying the following mixture to the contacts with a pipe cleaner, cottontipped stick or comparable non-abrasive - LG L3200A | Service Manual - Page 5
General Soldering Guidelines 1. Use a grounded-tip, low-wattage soldering iron and appropriate tip size and shape that will maintain tip temperature within the range or 500 F to 600 F. 2. Use an appropriate gauge of RMA resin-core solder composed of 60 parts tin/40 parts lead. 3. Keep the soldering - LG L3200A | Service Manual - Page 6
Circuit Board Foil Repair Excessive heat applied to the copper foil of any printed circuit board will weaken the adhesive that bonds the foil to the circuit board causing the foil to separate from or "lift-off" the board. The following guidelines and procedures should be followed whenever this - LG L3200A | Service Manual - Page 7
VIDEO SYNC TIMING CHART B A C E F D > 1) PC Mode MODE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 H / V H(Pixels) V(Lines) H(Pixels) V(Lines) H(Pixels) V(Lines) H(Pixels) V( - LG L3200A | Service Manual - Page 8
2) Component Video Mode(Y/Pb/Pr) MODE H / V 1 H(Pixels) V(Lines) 2 H(Pixels) V(Lines) 3 H(Pixels) V(Lines) 4 H(Pixels) V(Lines) 5 H(Pixels) V(Lines) Sync Polarity - Dot Clock 25.175 27.027 74.176 74.250 74.176 Frequency 31.469 59.94 31.5 60 44.955 59.94 33.750 60.053 33.716 59.994 - LG L3200A | Service Manual - Page 9
Tuner 1 SCL/SDA Audio Decoder (MSP3420G) AMP_IN_Left AMP_IN_Right Audio-Amp (TPA3004) CVBS-OUT 1 CVBS-TTX CVBS Audio DVD Audio DTV Audio Tuner2 Audio PC Audio LCD Module SP (L) SP (R) - LG L3200A | Service Manual - Page 10
Format Converter IC that receives Digital signal and outputs proper frame signal to LCD Module Timing(1366x768,WXGA). 8. DC/DC Converter block DC/DC Converter 5V, 3.3V, 5V, 1.8V for main control system. For shooting heat trouble, we use the DC/DC converting IC. 9. Caption/V-CHIP block -Only U.S.A - LG L3200A | Service Manual - Page 11
and after warming up for a minimum of 30 minutes. • Alignment appliances and tools. - IBM compatible PC - Programmable Signal Generator. (eg. 1) Use this procedure only when there is some problem on Digital EDID data. 2) Run alignment program for L3200TC on the IBM compatible PC. 3) Select EEPROM - LG L3200A | Service Manual - Page 12
Windows EDID V1.0 User Manual 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. Port Setup a) Copy "UserPort.sys" file to "c:\WINNT\system32\drivers" folder b) Run Userport. - LG L3200A | Service Manual - Page 13
: L3200T Elapsed Time : NVram Inatial WB Adjust Aging Mode Model Select TV AV Country Option V1.0 0H OFF 0 OFF L3200 AV USA MENU Prev SEREVICE MENU CNN Resolution AI Hotel Mode SVC Display Video H Positoin Video V Positoin RS232 Select OFF Auto OFF SET SET 0 0 Nomal MENU Prev SERVICE OSD - LG L3200A | Service Manual - Page 14
TROUBLESHOOTING GUIDE 1. NO POWER NO POWER (POWER INDICATOR OFF) 1 2 CHECK J601 VOLTAGE NO (18V, 12V, 5V)? 3 YES 4 CHECK NO J602 VOLTAGE 5 (24V, 33V) ? YES CHECK 6 X401 NO ( - LG L3200A | Service Manual - Page 15
Waveforms 4 J602-24V 5 J602-33V 6 X401-14.318MHz 7 J601 - 15 - - LG L3200A | Service Manual - Page 16
2. NO RASTER(OSD IS NOT DISPLAYED) NO RASTER (OSD IS NOT DISPLAYED) CHECK U402? YES CHECK LVDS OUTPUT (J802)? YES CHECK INVERTER POWER (J606, J607) ? YES CHECK INVERTER NO CHECK THE PERIPHERAL IC U402 CHECK THE PERIPHERAL J802 CHECK U607 AND THE PERIPHERAL IC U607 - 16 - - LG L3200A | Service Manual - Page 17
3. NO RASTER ON VIDEO SIGNAL INPUT NO RASTER ON VIDEO SIGNAL POWER CHECK OF CXA2040(U201) : U204(9V) POWER CHECK OF UPD64011(U904) : U905(3.3V), U906(1.5V) POWER CHECK OF MDIN150(U901) : U907(3.3V), U908(2.5V) POWER CHECK OF GM1501(U402) CHECK CABLE OF VIDEO/COMPONENT CHECK UPD64011(U904)I/O - LG L3200A | Service Manual - Page 18
4. SOUND TROBLE SHOOTING NO SOUND OUTPUT POWER CHECK OF MSP3420G(U501) : U522(8V), L501(5V), L505(5V) POWER CHECK OF TPA3004(U502) : C564(18V) CHECK SOUND OF VCR,DVD,PC CHECK OF CONNECTION OF TUNER AND ANTENNA CHECK MSP3420G(U501) I/O SIGNAL YES NO INPUT SIGNAL NO OUTPUT SIGNAL NO INPUT SIGNAL - LG L3200A | Service Manual - Page 19
5. NO RASTER STATE ON ANALOG SIGNAL NO RASTER ON ANALOG SIGNAL POWER CHECK OF GM1501(U402) POWER CHECK OF LVDS OUTPUT: J802 CONNECTOR(J101) CHECK NO INPUT SIGNAL CHECK ADC I/O SIGNAL IN GM1501(U402) YES NO OUTPUT SIGNAL NO INPUT SIGNAL CHECK GM1501(U402) I/O SIGNAL YES NO OUTPUT SIGNAL NO - LG L3200A | Service Manual - Page 20
6. NO RASTER STATE ON DIGITAL SIGNAL NO RASTER STATEON DIGITAL SIGNAL POWER CHECK OF GM1501(U402) POWER CHECK OF LVDS OUTPUT: J802 CONNECTOR(J102) CHECK CHECK GM1501(U402) I/O SIGNAL YES CHECK LVDS I/O SIGNAL NO INPUT SIGNAL NO OUTPUT SIGNAL NO INPUT SIGNAL NO OUTPUT SIGNAL CHECK THE PERIPHERAL - LG L3200A | Service Manual - Page 21
J502 9P 4P J402 WIRING DIAGRAM Connector Ass'y P/N: 6631T25024D J501 J610 Connector Ass'y P/N: 6631T25019G Connector Ass'y P/N: 6631T11012Q Connector Ass'y P/N: 6631T20032H Module Link MAIN Connector Ass'y P/N: 6631T20032H J608 J802(30Pin) to J607 12P J801 J802 10P 15P 15P 12P POWER - LG L3200A | Service Manual - Page 22
EXPLODED VIEW 010 020 140 150 070 090 * 160 170 100 030 110 - 22 - 060 050 080 130 120 040 - LG L3200A | Service Manual - Page 23
LCD(LIQUID CRYSTAL DISPLAY), LC320W01-A6K4 LG PHILPS TFT COLOR LEAD FREE 030 3809TKE021C BACK COVER ASSEMBLY, L3200A 3808TKE019 -AV 040 3043TKK213A TILT SWIVEL ASSEMBLY, L3200A 4950TKK983 STAND-Only L3200ATC,L3200AFC 050 6871TST481D PWB(PCB) ASSEMBLY,SUB, L3200TC 85964) 20 MODEL DM-SILVER - LG L3200A | Service Manual - Page 24
REPLACEMENT PARTS LIST CAUTION: BEFORE REPLACING ANY OF THESE COMPONENTS, READ CAREFULLY THE SAFETY PRECAUTIONS IN THIS MANUAL. * NOTE : S SAFETY Mark AL ALTERNATIVE PARTS *S *AL LOC. NO. PART NO. MAIN BOARD CAPACITORS DATE: 2005. 05. 19. DESCRIPTION / SPECIFICATION C1007 C1008 C1009 C1014 C1015 - LG L3200A | Service Manual - Page 25
*S *AL LOC. NO. PART NO. DATE: 2005. 05. 19. DESCRIPTION / SPECIFICATION C403 C404 C405 C406 C407 C408 C409 C410 C4101 C411 C412 C413 C414 C415 C416 C417 C418 C420 C427 C428 C429 C435 C459 C460 C461 C462 C463 C464 C468 C469 C470 C471 C472 C473 C474 C475 C476 C477 C478 C479 C480 C481 C482 C483 C484 - LG L3200A | Service Manual - Page 26
*S *AL LOC. NO. PART NO. DATE: 2005. 05. 19. DESCRIPTION / SPECIFICATION C567 C568 C569 C570 C571 C572 C573 C574 C575 C576 C577 C578 C579 C580 C581 C582 C603 C604 C605 C606 C607 C608 C609 C610 C611 C612 C614 C615 C616 C617 C618 C619 C620 C621 C622 C623 C624 C625 C627 C628 C629 C630 C632 C633 C636 - LG L3200A | Service Manual - Page 27
*S *AL LOC. NO. PART NO. DATE: 2005. 05. 19. DESCRIPTION / SPECIFICATION C916 C917 C918 C919 C920 C921 C922 C923 C924 C925 C926 C927 C928 C929 C930 C931 C932 C933 C934 C935 C936 C937 C938 C939 C940 C941 C942 C943 C944 C945 C946 C948 C949 C950 C951 C952 C953 C954 C955 C956 C957 C958 C961 C962 C963 - LG L3200A | Service Manual - Page 28
*S *AL LOC. NO. PART NO. DATE: 2005. 05. 19. DESCRIPTION / SPECIFICATION ZD602 ZD701 ZD704 ZD705 ZD706 ZD707 ZD708 ZD709 ZD710 ZD711 ZD712 ZD713 ZD714 ZD715 ZD716 ZD719 ZD720 ZD721 ZD722 ZD723 ZD724 0DZ330009DF 0DZ560009DA 0DZ560009DA 0DZ560009DA 0DZ560009DA 0DZ560009DA 0DZ560009DA 0DZ560009DA - LG L3200A | Service Manual - Page 29
*S *AL LOC. NO. PART NO. DATE: 2005. 05. 19. DESCRIPTION / SPECIFICATION L603 L604 L605 L606 L609 L610 L614 L615 L616 L617 L618 L619 L620 L621 L622 L623 L901 L902 L903 L904 L905 L906 L907 L909 L913 L914 L915 L916 L917 L918 L919 R905 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G - LG L3200A | Service Manual - Page 30
*S *AL LOC. NO. PART NO. DATE: 2005. 05. 19. DESCRIPTION / SPECIFICATION R118 R119 R120 R122 R124 R126 R128 R130 R132 R134 R136 R137 R138 R139 R140 R141 R142 R143 R144 R145 R146 R147 R148 R149 R150 R151 R152 R153 R154 R155 R156 R158 R160 R201 R202 R203 R204 R205 R206 R207 R208 R210 R215 R217 R218 - LG L3200A | Service Manual - Page 31
*S *AL LOC. NO. PART NO. DATE: 2005. 05. 19. DESCRIPTION / SPECIFICATION R437 R438 R440 R441 R442 R443 R444 R446 R447 R448 R450 R451 R452 R453 R454 R455 R456 R457 R459 R460 R461 R463 R464 R466 R469 R470 R471 R473 R478 R479 R480 R481 R482 R483 R488 R489 R494 R495 R496 R497 R5001 R5002 R5003 R5004 - LG L3200A | Service Manual - Page 32
*S *AL LOC. NO. PART NO. DATE: 2005. 05. 19. DESCRIPTION / SPECIFICATION R625 R627 R634 R635 R636 R638 R639 R640 R641 R642 R701 R702 R703 R704 R705 R706 R707 R708 R709 R710 R711 R712 R713 R714 R715 R716 R717 R718 R719 R720 R721 R722 R723 R724 R725 R726 R727 R728 R729 R730 R731 R733 R734 R735 R836 - LG L3200A | Service Manual - Page 33
*S *AL LOC. NO. PART NO. DATE: 2005. 05. 19. DESCRIPTION / SPECIFICATION RA906 RA907 RA908 RA909 RA910 RA911 RA912 RA913 RA914 RA915 RA916 RA917 RA918 RA919 RA920 RA921 RA922 RA923 RA924 RA925 RA926 RA927 RA928 RA929 0RHZTCZ001D 0RHZTCZ001D 0RHZTCZ001D 0RHZTCZ001D 0RHZTCZ001D 0RHZTCZ001D - LG L3200A | Service Manual - Page 34
SCHEMATIC DIAGRAM 1. D-SUB/DVI-D INPUT - 34 - - LG L3200A | Service Manual - Page 35
2. VIDEO SWITCH (CXA2040) / TUNER (TV OPTION) - 35 - - LG L3200A | Service Manual - Page 36
3. MST9883 - 36 - - LG L3200A | Service Manual - Page 37
6 6 X401 4. SCALER(GM1601) - 37 - - LG L3200A | Service Manual - Page 38
5. AUDIO CTL/AMP/RS232/TUNER - 38 - - LG L3200A | Service Manual - Page 39
1 2 3 6. POWER/CONNECTOR - 39 - 1 J601-18V 2 J601-12V 3 J601-5V - LG L3200A | Service Manual - Page 40
7 4 5 6. POWER/CONNECTOR - 40 - 4 J602-24V 5 J602-33V 7 J601 - LG L3200A | Service Manual - Page 41
7. A/V IN/OUT JACK - 41 - - LG L3200A | Service Manual - Page 42
8. MDIN150/UPD64011A/MEMORY - 42 - - LG L3200A | Service Manual - Page 43
9. EX256/V-CHIP(M37272M6) - 43 - - LG L3200A | Service Manual - Page 44
P/NO : 3828TSL093P May. 2005 Printed in Korea
-
1 -
2 -
3 -
4 -
5 -
6 -
7 -
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17
-
18
-
19
-
20
-
21
-
22
-
23
-
24
-
25
-
26
-
27
-
28
-
29
-
30
-
31
-
32
-
33
-
34
-
35
-
36
-
37
-
38
-
39
-
40
-
41
-
42
-
43
-
44
 |
 |
COLOR MONITOR
SERVICE MANUAL
Website:http://biz.LGservice.com
CAUTION
BEFORE SERVICING THE UNIT,
READ THE
SAFETY PRECAUTIONS
IN THIS MANUAL.
CHASSIS NO. : CL-70
MODEL:
L3200A
(L3200AC.AL**A)
L3200A
(L3200ATC.AL**A)
L3200A
(L3200AFC.AL**A)
L3200A
(L3200AKC.AL**A)
(
) **Same model for Service