background image

CTX                                                                           

Service Manual 

                                          LJE15XE(S500)

 

                                                                                           

16

 
 
 

S500 (CMO )                                                                MAIN/BOARD                                        Unit: Volt 

640*480 31K/60Hz

 

2.63 1.70 0.70 0.60 2.62 2.63 2.63 2.50 GND 3.29 

800*600 

48K/72Hz 2.60 1.70 0.70 0.60 2.60 2.59 2.60 2.50 GND 3.29 

1024*768 

60K/75Hz 

2.78 1.70 0.70 0.60 2.78 2.78 2.78 2.50 GND 3.29 

                                                                                                                                                                                                                 

640*480 31K/60Hz

 

GND 1.75 0.60 0.60 3.29 2.62 2.63 2.63 2.59 0.00 

800*600 

48K/72Hz 

GND 1.75 0.60 0.60 3.29 2.60 2.59 2.59 2.57 0.00 

1024*768 

60K/75Hz 

GND 1.75 0.60 0.60 3.29 2.78 2.78 2.78 2.75 0.00 

                                                                                                                                                                     

640*480 31K/60Hz

 

0.60 GND 3.26 2.90 3.27 3.28 2.49 GND 2.49 GND 

800*600 

48K/72Hz 0.60 GND 3.26 2.90 3.27 3.28 2.49 GND 2.49 GND 

1024*768 

60K/75Hz 

0.60 GND 3.26 2.90 3.27 3.28 2.49 GND 2.49 GND 

 

640*480 31K/60Hz

 

GND GND 2.95  3.28 GND 0.00  0.49  3.28 GND 0.00 

800*600 

48K/72Hz GND GND 2.95  3.28 GND 0.00  0.47  3.28 GND 0.00 

1024*768 

60K/75Hz 

GND GND 2.95  3.28 GND 0.00  0.50  3.28 GND 0.00 

 

640*480 31K/60Hz

 

0.49 3.28 GND 0.00 0.49 3.28 2.48 3.14 0.30 4.97 

800*600 

48K/72Hz 0.47 3.28 GND 0.00 0.47 3.28 2.48 3.14 0.30 4.97 

1024*768 

60K/75Hz 

0.50 3.28 GND 0.00 0.50 3.28 2.48 3.14 0.30 4.97 

 

640*480 31K/60Hz

 

1.00 0.05 2.72 0.52 0.10 0.29 0.29 3.29 3.29 3.29 

IC 

U1 ( GMZAN2 ) 

PIN 

MODE                     

51 52 53 54 55 56 57 58 59 60 

IC 

U1 ( GMZAN2 ) 

PIN 

MODE                     

61 62 63 64 65 66 67 68 69 70 

IC 

U1 ( GMZAN2 ) 

PIN 

MODE                     

71 72 73 74 75 76 77 78 79 80 

IC 

U1 ( GMZAN2 ) 

PIN 

MODE                     

81 82 83 84  85 86 87 88 89 90 

IC 

U1 ( GMZAN2 ) 

PIN 

MODE                     

91 92 93 94 95 96 97 98 99 100 

IC 

U4 ( GMZAN2 ) 

PIN 

MODE                     

101 102 103 104 105 106 107 108 109 110 

Summary of Contents for LJE15XE

Page 1: ...Service Manual Model LJE15XE S500 LCD Monitor Specialists ...

Page 2: ...cifications 5 3 On Screen Display 6 4 Factory Preset Timings 7 5 Signal Pin Assignment 8 6 Block Diagram 9 7 Pin Configuration 10 11 8 Inverter Board I O Connections 12 9 Trouble Shooting Flowchart 13 14 10 Assignment S500 Reference 15 20 11 Parts List S500 Reference 21 25 12 Exploded View 26 27 ...

Page 3: ... written permission of the publisher The publisher has been trying its best to make this publication perfect and in this manner takes no responsibility for the use of any of the materials or methods described in this manual or for the products thereof Neither will the publisher be responsible for any damages caused by misuse or misquotation Information in this manual is subject to change by the pu...

Page 4: ...erference will not occur in a particular installation If this equipment does cause unacceptable interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures reorient or relocate the receiving antenna increase the separation between equipment and receiver o...

Page 5: ...V Pos Center Language English Germany French Spanish Italian Recall Yes No 2 Power Supply Support Ability to accept voltages from 100 120 Vac 200 240 Vac 50 60 Hz 6 10 thus allowing a full range of input AC power supply 3 Power Saving System This monitor will meet the low power specification Including USA governmental requirements for Energy Star the NUTEK standard and the VESA DPMS standard which...

Page 6: ...posite sync TTL Horizontal 31 60 kHz Vertical 58 75 Hz Connector 15 Pin Mini D Sub Maximum Resolution 1024x768 Video Bandwidth 100 MHz nominal Power Voltage 100 120Vac 50 60 Hz auto switch 12Vdc 3 5A 200 240Vac 50 60 Hz auto switch 12Vdc 3 5A Power Consumption 35 W maximum Operating Conditions Temperature 5 to 35 Humidity 20 to 80 no condensation Altitude To 10 000 feet Storage Condition Temperatu...

Page 7: ... Brightness icon Adjustment scale Auto Tune Adjusting Color 9300 6500 User Red icon Green icon Blue icon Adjustment scale Adjustment scale Adjustment scale Quality Size Phase Focus Dithering Text Gfx Adjustment scale Adjustment scale Adjustment scale Off Available No Effect Position Image Pos H Pos V Pos Center Adjustment scale Adjustment scale Adjusting OSD Pos H Pos V Pos Center Adjustment scale...

Page 8: ...Polarity Vertical Frequency IBM VGA 640x350 31 47 KHz 70 09 Hz IBM VGA 720x400 31 47 KHz 70 08 Hz IBM VGA 640x480 31 47 KHz 59 94 Hz VESA 640x480 37 86 KHz 72 81 Hz VESA 640x480 37 50 KHz 75 00 Hz VESA 800x600 37 88 KHz 60 32 Hz VESA 800x600 48 08 KHz 72 19 Hz VESA 800x600 46 88 KHz 75 00 Hz VESA 1024x768 48 36 KHz 60 00 Hz VESA 1024x768 56 48 KHz 70 07 Hz VESA 1024x768 60 02 KHz 75 03 Hz ...

Page 9: ... display monitors use a 15 Pin Mini D Sub connector as video input source Pin Description 1 Red 2 Green 3 Blue 4 No Connection 5 Ground 6 R Return 7 G Return 8 B Return 9 No Connection 10 Ground 11 Ground 12 SDA 13 H Sync Composite Sync 14 V Sync 15 SCL 1 15 5 10 6 11 ...

Page 10: ...CTX Service Manual LJE15XE S500 9 BLOCK DIAGRAM TFT LCD Module MAIN BOARD BLOCK DIAGRAM ...

Page 11: ...CTX Service Manual LJE15XE S500 10 POWER BLOCK DIAGRAM Main Board IC Pin Configuration ...

Page 12: ...CTX Service Manual LJE15XE S500 11 Pin Configuration Pin Parameter ...

Page 13: ...CTX Service Manual LJE15XE S500 12 Inverter Board I O Connections ...

Page 14: ...CTX Service Manual LJE15XE S500 13 TROUBLE SHOOTING VIDEO DOES NOT APPEAR ...

Page 15: ...CTX Service Manual LJE15XE S500 14 TROUBLE SHOOTING R G B is not displayed correctly ...

Page 16: ... 800 600 48K 72Hz 2 50 0 00 2 60 2 60 2 60 1 60 0 80 0 95 2 60 GND 1024 768 60K 75Hz 2 50 0 00 2 77 2 77 2 77 1 60 0 80 0 95 2 77 GND 640 480 31K 60Hz 2 62 2 62 3 29 1 95 0 60 0 60 2 62 2 62 2 62 3 29 800 600 48K 72Hz 2 60 2 60 3 29 1 95 0 60 0 60 2 60 2 60 2 60 3 29 1024 768 60K 75Hz 2 77 2 77 3 29 1 95 0 60 0 60 2 77 2 77 2 77 3 29 640 480 31K 60Hz GND 2 60 2 65 1 39 1 56 0 00 0 40 2 62 GND 2 63...

Page 17: ...D 3 26 2 90 3 27 3 28 2 49 GND 2 49 GND 640 480 31K 60Hz GND GND 2 95 3 28 GND 0 00 0 49 3 28 GND 0 00 800 600 48K 72Hz GND GND 2 95 3 28 GND 0 00 0 47 3 28 GND 0 00 1024 768 60K 75Hz GND GND 2 95 3 28 GND 0 00 0 50 3 28 GND 0 00 640 480 31K 60Hz 0 49 3 28 GND 0 00 0 49 3 28 2 48 3 14 0 30 4 97 800 600 48K 72Hz 0 47 3 28 GND 0 00 0 47 3 28 2 48 3 14 0 30 4 97 1024 768 60K 75Hz 0 50 3 28 GND 0 00 0...

Page 18: ...9 3 29 GND 2 50 GND 800 600 48K 72Hz GND GND GND GND 0 75 3 29 3 29 GND 2 50 GND 1024 768 60K 75Hz GND GND GND GND 0 75 3 29 3 29 GND 2 50 GND 640 480 31K 60Hz 2 70 2 40 3 29 GND 0 89 GND GND 0 00 2 50 0 59 800 600 48K 72Hz 2 70 2 40 3 29 GND 0 89 GND GND 0 00 2 50 0 57 1024 768 60K 75Hz 2 70 2 40 3 29 GND 0 89 GND GND 0 00 2 50 0 37 640 480 31K 60Hz GND 0 00 0 00 0 00 0 00 0 00 0 00 GND 0 00 0 00...

Page 19: ...22 640 480 31K 60Hz 1 43 5 00 5 00 0 00 4 45 0 31 0 09 1 20 0 52 0 05 2 73 800 600 48K 72Hz 1 43 5 00 5 00 0 00 4 45 0 31 0 09 1 20 0 52 0 05 2 73 1024 768 60K 75Hz 1 43 5 00 5 00 0 00 4 45 0 31 0 09 1 20 0 52 0 05 2 73 IC U4 MTV312M PIN MODE 23 24 25 26 27 28 29 30 31 32 33 640 480 31K 60Hz 3 15 4 97 0 00 0 85 0 85 0 00 4 57 0 85 0 85 0 85 4 97 800 600 48K 72Hz 3 15 4 97 0 00 0 85 0 85 0 00 4 57 ...

Page 20: ...0 92 0 97 2 42 1 15 0 96 GND 800 600 48K 7 40 11 04 0 92 0 97 2 42 1 15 0 96 GND 1024 768 60K 7 40 11 04 0 92 0 97 2 42 1 15 0 96 GND IC U602 LM358A PIN MODE 1 2 3 4 5 6 7 8 640 480 31K 0 71 2 48 2 22 0 00 0 2 50 4 28 11 90 800 600 48K 0 71 2 48 2 22 0 00 0 2 50 4 28 11 90 1024 768 60K 0 71 2 48 2 22 0 00 0 2 50 4 28 11 90 IC Q611 9435A PIN MODE 1 2 3 4 5 6 7 8 640 480 31K 11 92 11 92 11 92 8 32 5...

Page 21: ... C B 640 480 31K 0 00 10 83 0 00 0 00 0 02 0 71 0 00 0 00 0 63 800 600 48K 0 00 10 83 0 00 0 00 0 02 0 71 0 00 0 00 0 63 1024 768 60K 0 00 10 83 0 00 0 00 0 02 0 71 0 00 0 00 0 63 TR Q601 Q602 Q603 PIN MODE E C B E C B E C B 640 480 31K 0 00 0 01 0 64 11 88 11 85 11 22 0 00 0 99 0 00 800 600 48K 0 00 0 01 0 64 11 88 11 85 11 22 0 00 0 99 0 00 1024 768 60K 0 00 0 01 0 64 11 88 11 85 11 22 0 00 0 99...

Page 22: ... 39M99 104S CAP CH 0 1U 80 20 25V 0603 C5 38FA5 220S CAP CH 22P 5 50V NPO 0603 C6 39M99 104S CAP CH 0 1U 80 20 25V 0603 C7 28Q27 470C CAP E 47U 20 10V 105 RA TP P 2 5MM 4 7 Location Part No Description C9 28Q27 470C CAP E 47U 20 10V 105 RA TP P 2 5MM 4 7 C10 38FA5 330S CAP CH 33P 5 50V NPO 0603 C11 38FA5 330S CAP CH 33P 5 50V NPO 0603 C16 28Q27 470C CAP E 47U 20 10V 105 RA TP P 2 5MM 4 7 C17 28Q27...

Page 23: ...3 21125 000AY RES TFC 0R 5 1 16W 0603 R4 21125 472AY RES TFC 4K7 5 1 16W 0603 R8 21125 103AY RES TFC 10K 5 1 16W 0603 R9 21125 103AY RES TFC 10K 5 1 16W 0603 R10 21125 471AY RES TFC 470R 5 1 16W 0603 R11 21125 471AY RES TFC 470R 5 1 16W 0603 R12 21125 473AY RES TFC 47K 5 1 16W 0603 Location Part No Description R14 21125 103AY RES TFC 10K 5 1 16W 0603 R15 21125 103AY RES TFC 10K 5 1 16W 0603 R16 21...

Page 24: ...K2 5 1 16W 0603 R651 21125 000AY RES TFC 0R 5 1 16W 0603 R652 21125 000AY RES TFC 0R 5 1 16W 0603 R653 21125 000AY RES TFC 0R 5 1 16W 0603 R654 21125 000AY RES TFC 0R 5 1 16W 0603 R655 21125 000AY RES TFC 0R 5 1 16W 0603 R656 21125 000AY RES TFC 0R 5 1 16W 0603 R657 21125 000AY RES TFC 0R 5 1 16W 0603 R901 22215 102M RES CF 1K 5 1 8W R902 22215 221M RES CF 220R 5 1 8W Location Part No Description ...

Page 25: ...R 45P FFC CO FBP1 46R10 0804 COIL RF BEAD ARRAY 8P FCA3216M4 121T02 FBP2 46R10 0804 COIL RF BEAD ARRAY 8P FCA3216M4 121T02 FBP3 46R10 0804 COIL RF BEAD ARRAY 8P FCA3216M4 121T02 FBP4 46R10 0804 COIL RF BEAD ARRAY 8P FCA3216M4 121T02 FBP5 46R10 0804 COIL RF BEAD ARRAY 8P FCA3216M4 121T02 FBP6 46R10 0804 COIL RF BEAD ARRAY 8P FCA3216M4 121T02 FBP7 46R10 0804 COIL RF BEAD ARRAY 8P FCA3216M4 121T02 FB...

Page 26: ...T 673503205A WASHER POLY 3 2 6 0 5T ON PANEL 7110145300 FUNCTION KEY 90460 7141180600 OVERLAY TUV GS MPRII N S500 7141182400 PLATE NAME S500 7340021300 SPRING GROUNDING ON MAIN PCB Location Part No Description 7620160100 BRACKET BASE SGCC T 3 0 7620166100 BRACKET TERMINAL 8010016000 PLATE MYLAR 85 60MM ON MAIN PCB 8010009000 PLATE MYLAR 100 328 242 8010011000 PLATE MYLAR INVERTER Location Part No ...

Page 27: ...CTX Service Manual LJE15XE S500 26 ...

Page 28: ...CTX Service Manual LJE15XE S500 27 ...

Page 29: ...CTX Service Manual LJE15XE S500 28 ...

Reviews: