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SERVICE MANUAL

INDUSTRIAL MONITOR

LMU-TK12A

(Without Touch Panel)

LMU-TK12AT (With Touch Panel)
(GENERAL)

REFERENCE NO. SM 920004

PRODUCT CODE NO.
LMU-TK12A

1 938 102 06

LMU-TK12AT

1 938 102 07

Summary of Contents for LMU-TK12A

Page 1: ...SERVICE MANUAL INDUSTRIAL MONITOR LMU TK12A Without Touch Panel LMU TK12AT With Touch Panel GENERAL PRODUCT CODE NO LMU TK12A 1 938 102 06 LMU TK12AT 1 938 102 07 ...

Page 2: ... 5 3 MAINTENANCE Disassembling the major components 6 4 BLOCK DIAGRAM 7 5 CONNECTION DIAGRAM 8 6 TABLE OF SIGNAL NAME 9 10 7 EXPLODED VIEW AND PARTS LIST 7 1Exploded View 11 12 7 2 Parts List 13 14 8 APPENDIX 15 Refer to the separate volume user s guide for instruction ...

Page 3: ...s the unit unplug the AC power cord immediately DO NOT PLUG IN THE UNIT AGAIN Handling precautions l Avoid bending kinking or damaging the AC power cord l Never insert or remove the power cord with wet hands Also be sure to hold cord by the plug when removing it from the outlet l Do not remove any parts that are held in place with screws The unit does not contain any user serviceable items l Maint...

Page 4: ...l asynchronous RS 232C serial communication Baud rate 9 600 BPS 1 200 19 200 BPS Data 7 bit 7bit or 8bit Stop bit 2 bit 1bit or 2bit Parity non odd even or non Touch Life Greater than 20 million touches in any location Touch Down Speed 15 ms Physical Video Signal 15pin mini D Sub Serial 9pin D Sub Input Power Supply DC Jack operating 5o C to 40 o C Operating Temperature Storage 20 o C to 60 o C En...

Page 5: ...signal cable or Bent a terminal pin Replace a signal cable with the new one 4 Is the computer s signal timing not agreeable to the LCD s specification Adjust the computer s signal timing if possible 5 Is the wire harness between Inverter PCB and a LCD module secured firmly Check the connection of wire harness 6 Is the wire harness between main PCB and Inverter PCB secured firmly Check the connecti...

Page 6: ...rformed correctly Adjust the screen correctly 2 Is a signal cable connected securely Check the connection of a signal cable 3 Is a signal cable extended Don t extend a signal cable 4 Is the output level on image from a computer not agreeable to LCD s specification Check the specification of a computer 7 Screen is distorted 5 The Image Processing circuit on main PCB may be defective Replace the mai...

Page 7: ... Unscrew to secure the main PCB 4 position 3 Disconnect the cables on the main PCB 6 position Two cables have already been disconnected One connector from Joint PCB One connector from the LCD panel One connector from the DC IN PCB One connector from the Inverter PCB 4 Unscrew to secure the bracket for RGB Connector 2 position 5 Touch Controller PCB 1 Unscrew to secure the Touch controller PCB 2 po...

Page 8: ...LOCK DIAGRAM V H R G B RS232C for LMU TK12AT only OSD Key EEROM Micro Controller LED ROM Video Controller Cheetah 2 PLL Video Amp SVGA TFT LCD Panel ADC Clock Gen Volume Inverter Control Board Touch Screen ...

Page 9: ...D GND GND GND GND NC GND UP GND GND VRC VR2 VR1 N C N C N C N C 12V VDD N C N C LL UL LR UR BACK N C N C N C N C N C VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS GREEN GND RED CN1 1 2 3 4 5 P1 1 2 3 4 5 P2 1 2 3 4 5 6 7 8 5 9 4 8 3 7 2 6 1 CN7 1 2 3 4 5 6 7 CON3 1 2 3 CN503 1 2 3 CN501 1 2 3 4 5 6 7 8 CN401 1 2 3 5 9 4 8 3 7 2 6 1 JP2 1 2 3 4 5 6 7 8 9 10 11 12 P6 8 15 7 14 6 13 5 1...

Page 10: ...3 Blue Data P4 33 B4 Blue Data P4 34 B5 Blue Data MSB P4 35 DE Data Enable positive P4 37 TEST Display test P4 38 For display test to be L VDD Power Supply P4 39 3 3V VDD Power Supply P4 40 3 3V VIN Inverter Power P1 1 12V VR1 2 Controlled Voltage P13 4 ON Back Light Control P1 5 H Light ON VR1 2 Brightness Volume P5 1 3 VRC Brightness Volume P5 2 MENU MENU Key P2 1 SEL SELECT Key P2 2 DOWN DOWN K...

Page 11: ...1 1 RXD Receive Data JP1 2 TXD Transmit Data JP1 3 CTS Clear To Send JP1 4 DCD Data Carrier Detect NC DTR Data Terminal Ready NC GND Signal ground NC DSR Data Set Ready NC GND Chassis earth ground NC UR Upper right UR corner JP2 9 LR Lower right LR corner JP2 10 UL Upper left UL corner JP2 11 LL Lower left LL corner JP2 12 ...

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Page 14: ...ER S GUIDE ACCESSORY 632 860 9925 FLOPPY DISK 1 632 869 1968 INSTRUCTION MANUAL ENGLISH 1 CABINET1 1 632 882 0979 TOP LID ASS Y 1 CHASSIS 11 632 882 0986 BOTTOM LID ASS Y 1 18 632 882 0993 RATING PLATE ASS Y 1 STAND 19 632 880 1350 STAND ASS Y 1 CHASSIS ELC 3 632 880 1381 LIQUID CRYSTAL DIS ASS Y 1 5 632 880 1428 DC AC INVERTER ASS Y 1 17 632 880 1411 AC ADAPTER ASS Y 1 4 632 880 1442 FPC BOARD AS...

Page 15: ...OM DISK TOUCHWARE 1 632 869 1968 INSTRUCTION MANUAL ENGLISH 1 CABINET1 1 632 880 1336 TOP LID ASS Y 1 CHASSIS 11 632 880 1343 BOTTOM LID ASS Y 1 18 632 880 1435 RATING PLATE ASS Y 1 STAND 19 632 880 1350 STAND ASS Y 1 CHASSIS ELC 3 632 880 1381 LIQUID CRYSTAL DIS ASS Y 1 2 632 880 1398 GLID POINT ASS Y 12 1 1 5 632 880 1428 DC AC INVERTER ASS Y 1 17 632 880 1411 AC ADAPTER ASS Y 1 4 632 880 1442 F...

Page 16: ...APPENDIX Version of Firmware The Version of Firmware is displayed on screen Turn the Power Switch to OFF While pressing of the SELECT button turn the Power Switch to ON ...

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