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LMU-TK18AG3TC (With Touch Panel)
INDUSTRIAL MONITOR Service Manuall
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SERVICE MANUAL
INDUSTRIAL MONITOR PRODUCT CODE No. LMU-TK18AG3 LMU-TK18AG3TC 1 938 102 98 1 938 102 97
LMU-TK18AG3 (GENERAL)
(Without Touch Panel) (With Touch Panel)
LMU-TK18AG3TC
REFERENCE NO.SM 920023 REFERENCE NO.SM 920024
PRODUCT CODE NO.193810298 PRODUCT CODE NO.193810297
INDEX
Page
PRECAUTIONS--------------------------------------------------------- 2 1,MAINSPECIFICATION
1-1 LMU-TK18AG3-------------------------------------------------------1-2 LMU-TK18AG3TC----------------------------------------------------
3 4
2,TROUBLESHOOTING---------------------------------------------- 5,6 3,MAINTENANCE
3-1LMU-TK18AG3--------------------------------------------------
7
3-2LMU-TK18AG3TC----------------------------------------------- 8
4,BLOCKDIAGRAM---------------------------------------------------- 9 5,CONNECTIONDIAGRAM------------------------------------------ 10 6,TABLE OF SIGNAL NAME----------------------------------------- 11,12 7,EXPLODED VIEW
7-1 LMU-TK18AG3------------------------------------------------------ 13 7-2 LMU-TK18AG3TC-------------------------------------------------- 14
8,PARTS LIST
8-1 LMU-TK18AG3------------------------------------------------------
15
8-2 LMU-TK18AG3TC------------------------------------------------- - 17
9,APPENDIX------------------------------------------------------------- 20
Refer to the separate volume User's Manual and CD-ROM That included for instruction.
PRECAUTIONS
-2-
1. MAIN SPECIFICATION
1-1 LMU-TK18AG3
, DDC2B
-3-
1-2 LMU-TK18AG3TC
, DDC2B
-4-
2. TROUBLESHOOTING
Check the following for troubles of LCD monitor.
No. 1
Symptom
Check Points
Treatments
Class
No Picture with Back light OFF 1 2 3 4 5 6 7 8 9 10 Is the Power "ON" to a LCD Monitor ? Is the Power "ON" to a Computer ? Is a signal cable connected securely ? Is a computer standing by ? Check AC outlet, AC cord, DC Jack and Power switch for a LCD monitor Check the Power for a Computer Check the connection of a signal cable Be out of standing by condition, by operating to a computer A A A A B C C C C C C C C C C
Disconnected a signal cable ? or Bent a Ensure the connection of a signal cable terminal pin ? Is an AC Adapter defective? Replace an AC Adapter with the new one Is the wire harness between main PCB and Check the connection of wire harness LCD module secured firmly ? Is the wire harness between LCD module Check the connection of wire harness and DC/DC Conv. secured firmly ? Is the wire harness between DC IN PCB and Check the connection of wire harness DC/DC Conv. PCB secured firmly ? Is the wire harness between main PCB and Check the connection of wire harness DC IN PCB secured firmly ? Replace a LCD module with the new one Is the Inverter block on LCD module Replace a LCD module with the new one defective ? Replace a DC/DC Conv. PCB with the new one
11 Is the LCD module defective ? 12
13 Is the DC/DC Conv. PCB defective ?
14 Is the displaycircuit on main PCB defective ? Replace the main PCB with the new one 15 2 Is the Power Supply circuit on main PCB Replace the main PCB with the new one defective ? Press any key or touch the mouse, to end the screen saver program
No Picture with Back light ON 1 2 3 Is a screen saver programming running ? A B C
Is the computer's signal timing not agreeable Adjust the computer's signal timing, if possible to the LCD's specification ? Is the Image Processing circuit on main PCB Replace the main PCB with the new one defective ? Is the wire harness between main PCB and Ensure the connection of wire harness LCD module secured firmly ? Is the LCD module defective ? Replace a LCD module with the new one Is the Image Processing block circuit on Replace the main PCB with the new one main PCB defective ?
3
White/Grey on whole screen(Nothing on screen) 1 2 3 C C C
A It is possible to treated by end-user B It might be possible to treat by end-user in some case. C It must be treated by Professional Technical Staff
-5-
No. 6
Symptom
Check Points
Treatments
Class
Dark screen 1 2 3 Is the wire harness between inverter and a LCD Ensure the connection of a wire harness module secured firmly ? Is the wire harness between one of inverters and Ensure the connection of a wire harness main PCB secured firmly ? Is the display circuit on main PCB defective ? Replace the main PCB with the new one C C C
7
Screen's display range is incorrect 1 2 3 Is the adjustment for screen performed Adjust the screen correctly correctly ? Is the output level on image from a computer not Check the specification of a computer agreeable to LCD's specification ? Set the size of screen again(refer to User's Is the size of screen set correctly ? Manual for computer) Is the adjustment for screen performed Adjust the screen correctly correctly ? Is a signal cable connected securely ? Check the connection of a signal cable Is a signal cable extended ? Don't extend a signal cable Is the output level on image from a computer not Check the specification of a computer agreeable to LCD's specification ? Is the Image Processing circuit on main PCB Replace the main PCB with the new one defective ? A B A
8
Screen is distorted 1 2 3 4 5 A A A B C
9
Part of colors (R/G/B) is not displayed. Black line appears in vertically 1 2 3 Is a signal cable connected securely ? Check the connection of a signal cable A C C Is the connection between main PCB and a LCD Ensure the connector of wire harness module securely ? Is the Image Processing circuit on main PCB Replace the main PCB with the new one defective ?
A It is possible to treated by end-user B It might be possible to treat by end-user in some case. C It must be treated by Professional Technical Staff
-6-
3.MAINTENANCE
3-1 LMU-TK18AG3 Disassembling the major components (1) Cabinet 1.Unscrew to secure the cabinet(10-position) 2.Pull the cabinet upward to remove it (2) LCD Panel 1.Unscrew to secure the LCD Panel(4-position) 2.Pull the LCD Panel and pull one connector out from DC-DC PCB 3.Disconnect three cables from the Main PCB (3) Main PCB 1.Pull the RGB signal cable out 2.Unscrew to secure the Main PCB(6-position) 3.Disconnect the cables on the Main PCB(4-position) / Two connectors from the LCD Panel / One connector from the lnverter PCB on LCD / One connector from the DC-IN PCB 4.Pull the cover of shield 5.Unscrew to secure the bracket for RGB and DVI,Remote Controller connector (6-position) (4) DC-DC PCB 1.Unscrew to secure the DC-DC PCB(4-position) 2.Disconnect the cable from the Inverter PCB 3.Disconnect the cable from the DC-IN PCB (5) DC-IN PCB 1.Unscrew to secure the DC-IN PCB(2-position) 2.Disconnect two cable,one from power switch,one from DC-DC PCB and the Main PCB (6) Power Switch 1.Remove the power switch,while pressing the hook of the power switch
-7-
3-2 LMU-TK18AG3TC Disassembling the major components (1) Cabinet 1.Unscrew to secure the cabinet(10-position) 2.Pull the cabinet upward to remove it (2) LCD Panel and Touch Panel 1.Lift up,reverse the Touch Parel on one side and put it 2.Unscrew to secure the LCD Panel(4-position) 3.Pull the LCD Panel up and pull one connector out from DC-DC PCB 4.Disconnect three cables from the Main PCB 5.Unscrew to secure the earth terminal(1-position) 6.Disconnect the cable on the Touch Controller PCB (3) Main PCB 1.Pull the RGB signal cable out 2.Unscrew to secure the Main PCB(6-position) 3.Disconnect the cables on the Main PCB(5-position) / Two connectors from the LCD Panel / One connector from the lnverter PCB on LCD / One connector from the DC-IN PCB / One connector from the Touch Controller PCB 4.Pull the cover of shield 5.Unscrew to secure the bracket for RGB and DVI,Remote Controller connector (6-position) (4) DC-DC PCB 1.Unscrew to secure the DC-DC PCB(4-position) 2.Disconnect the cable from the Inverter PCB 3.Disconnect the cable from the DC-IN PCB (5) Touch Controller unit 1.Unscrew to secure the Touch Controller PCB(2-position) 2.Disconnect the serial cable (6) Serial Cable(Connector and Cable with bracket) 1.Unscrew to secure the beacket for serial cable(2-position) 2.Unscrew to secure the clamp(1-position) (7) DC-IN PCB 1.Unscrew to secure the DC-IN PCB(2-position) 2.Disconnect two cables,one from power switch,one from DC-DC PCB and the Main PCB (8) Power Switch 1.Remove the power switch,while pressing the hook of the power switch
-8-
4.BLOCK DIAGRAM
-9-
5.CONNECTION DIAGRAM
-10-
6.TABLE OF SIGNAL NAME
CLK CLK
CLK CLK
-11-
-12-
7.EXPLODED VIEW
7-1 LMU-TK18AG3
-13-
7-2 LMU-TK18AG3TC
-14-
8.PARTS LIST
CAUTION important to secure safety. Parts marked as Are very
In case of replacement, it is required to use designted parts for safety.
8-1 LUM-TK18AG3 REF No PART No.
OUTER 661 043 3757 632 758 4209 INDIVIDUAL 661 004 2409 632 892 5001 632 892 5018 661 006 5934 661 006 5941 632 878 8637 632 809 9450 632 607 4824 632 567 2588 ACCESSORY 661 043 5218 CABINET1 1 2 CHASSIS 6 7 8 9 10 11 12 13 14 15 28 661 042 3024 411 002 9500 411 047 0104 661 044 4272 411 047 0104 411 047 0104 661 042 3581 411 046 1003 661 002 5082 661 004 8456 411 030 5703 661 005 8653 441 027 2401 TOP LID
DESCRIPTION
Q'ty
NOTES
INNER CARTON LABEL, BAR CODE
1 1
PAD, TOP ACCESSORY CASE PAD, ACCESSORY PAD, CONER UPPER PAD, CONER LOWER POLYETHYLENE BAG, 550X700 POLY COVER, 120X320 POLYETHYLENE BAG, L180X270 POLYETHYLENE BAG, 200X300
1 1 1 4 4 1 FOR LCD MONITOR 1 FOR CONTROL BOX 1 FOR MANUAL 1 FOR CABLE
INSTRUCTION MANUAL, ENGLIS
1
1 10
SCR S-TPG BIN 3X5
CHASSIS ASSY, BOTTOM SCR PAN 4X10 SCR PAN+SW+W 3X8 SHIELD, MAIN SCR PAN+SW+W 3X8 SCR PAN+SW+W 3X8 BRACKET, LCD SCR PAN+SW 4X6 GASKET PLATE SPRING, EMI SCR BIN 2X4 -15-
1 4 4 1 6 2 2 4 6 4 2
53
661 004 2386 CHASSIS ELC
GASKET, 7 - 1 - 25
10
31 32 33 34 35 36 37 39 42 43 44 45 46 47 50 52
661 043 5966 661 027 9935 661 008 0487 661 047 5351 661 046 9121 661 044 6559 632 891 4005 661 001 2570 661 044 2599 632 641 1926 661 044 2629 632 641 1926 661 044 2605 661 001 3164 632 860 5569 661 030 3913 PC BOARD 1
DISPLAY MODULE AC ADAPTOR RGB CABLE, 1.8M SEESAW SWITCH ASSY WIRE HANESS, 9P - 205MM WIRE HANESS CORE SPECIAL SCREW WIRE HARNESS, 20P CORE WIRE HARNESS,30P CORE WIRE HARNESS,8P REMOTE CONTROLLER ASS'Y AC CORD INSULATOE, T2
1 1 1 1 1 1 1 6 1 1 1 1 1 1 1 2
PCB 1
661 048 4407 PC BOARD 2
PCB - ML ASSY, MAIN
1
PCB 2
661 012 7090 PC BOARD 3
PCB - W ASSY, DC - IN
1
PCB 3
661 012 7120
PCB - W ASSY, DC / DC
1
-16-
CAUTION important to secure safety. Parts marked as Are very
In case of replacement, it is required to use designted parts for safety.
8-2 LUM-TK18AG3TC REF No PART No.
OUTER 661 043 3757 632 758 4209 INDIVIDUAL 661 004 2409 632 892 5001 632 892 5018 661 006 5934 661 006 5941 632 878 8637 632 603 0998 632 809 9450 632 607 4824 632 567 2588 632 607 4824 ACCESSORY 661 043 5218 661 042 6162 661 044 7389 CABINET1 1 2 3 4 5 CHASSIS 6 7 8 9 661 042 3024 411 002 9500 411 047 0104 661 044 4272 661 006 5972 441 027 2401 632 829 5032 632 892 5049 632 892 5056 TOP LID
DESCRIPTION
Q'ty
NOTES
INNER CARTON LABEL, BAR CODE
1 1
PAD, TOP ACCESSORY CASE PAD, ACCESSORY PAD, CONER UPPER PAD, CONER LOWER POLYETHYLENE BAG, 550X700 POLYETHYLENE BAG, 130X500 POLY COVER, 120X320 POLYETHYLENE BAG, L180X270 POLYETHYLENE BAG, 200X300 POLYETHYLENE BAG, L180x270
1 1 1 4 4 1 FOR LCD MONITOR 1 FOR AC CORD 1 FOR CONTROL BOX 1 FOR MANUAL 1 FOR RGB CABLE 1 FOR SERIAL CABLE
INSTRUCTION MANUAL, ENGLIS DISK LEAFLET, SOFTWARE, JPN/ENGL
1 1 1
1 10 1 2 2
SCR S-TPG BIN 3X5 CUSHION, WATERPROOF CUSHION, TOP LID L CUSHION, TOP LID S
CHASSIS ASSY, BOTTOM SCR PAN 4X10 SCR PAN+SW+W 3X8 SHIELD, MAIN -17-
1 4 4 1
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 30
411 047 0104 411 047 0104 661 042 3581 411 046 1003 661 002 5082 661 004 8456 632 892 5117 632 892 5148 632 872 9760 632 868 7367 411 047 0104 661 006 6009 632 892 5216 411 001 1802 411 008 0402 632 886 5789 411 047 0104 661 042 8005 411 030 5703 661 044 9208 CHASSIS ELC
SCR PAN+SW+W 3X8 SCR PAN+SW+W 3X8 BRACKET, LCD SCR PAN+SW 4X6 GASKET PLATE SPRING, EMI CUSHION, TOUCH PANEL L CUSHION, TOUCH PANEL S HEAT SINK, CONTROL INSULATOR SCR PAN+SW+W 3X8 BRACKET, TOUCH PANEL CUSHION, BARCKET SCR S-TPG BIN 3X5 WASHER OUT TW 3 CLAMP SCR PAN+SW+W 3X8 CUSHION,CONTROL SCR BIN 2X4 CUSHION, GASKET
6 2 2 4 6 4 2 2 1 1 3 8 8 8 1 1 1 1 2 2
31 32 33 34 35 36 37 38 39 40 41 41 42 43 44 OR OR
661 043 5966 661 027 9935 661 008 0487 661 047 5351 661 046 9121 661 044 6559 632 891 4005 661 044 1851 661 001 2570 632 889 5083 632 837 2713 632 891 4005 661 044 2599 632 641 1926 661 044 2629
DISPLAY MODULE AC ADAPTOR RGB CABLE, 1.8M SEESAW SWITCH ASSY WIRE HANESS, 9P - 205MM WIRE HANESS CORE CABLE, RS232C SPECIAL SCREW BRACKET,SERIAL CORE CORE WIRE HARNESS, 20P CORE WIRE HARNESS,30P -18-
1 1 1 1 1 1 1 1 6 1 1 1 1 1 1
45 46 47 48 49 50 51 52
632 641 1926 661 044 2605 661 001 3164 632 893 2412 661 043 5683 632 860 5569 632 866 8397 661 030 3913 PC BOARD 1
CORE WIRE HARNESS,8P REMOTE CONTROLLER ASS'Y TOUCH SENSOR, 18.1 CONTROL UNIT AC CORD SERIAL CABLE, 1.8M INSULATOE, T2
1 1 1 1 1 1 1 2
PCB 1
661 047 5368 PC BOARD 2
PCB - ML ASSY, MAIN
1
PCB 2
661 012 7090 PC BOARD 3
PCB - W ASSY, DC- IN
1
PCB 3
661 012 7120
PCB - W ASSY, DC / DC
1
-19-
9.APPENDIX
-20-