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CTX LPC15B13AA74, Service Manual

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CTX LPC15B13AA74 Service Manual Download Page 19

Service Guide

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

                                       

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PV500T SERIES

 

   

 

18

9.Pin Assignment

 

TEST CONDITION

﹕

AC LINE IN

﹕

110V/60Hz 

PATTERN

﹕

FULL WHITE                                                  Unit: Volt 

                 

IC 

U1 (FDS 6912A) 

PIN 

MODE 

1 2 3 4 5 6 7 8 

640*480 

31K/60Hz 5.19 12.01 5.19 12.01 5.19  5.19  5.19  5.19 

800*600 

48K/72Hz 5.19 12.01 5.19 12.01 5.19  5.19  5.19  5.19 

1024*768 

60K/75Hz 

5.19 12.01 5.19 12.01 5.19  5.19  5.19  5.19 

IC 

U2 (FAST 74F14) 

PIN 

MODE 

1 2 3 4 5 6 7 

640*480 

31K/60Hz 

4.91 0.60 4.35 0.56 0.56 0.42 GND 

800*600 

48K/72Hz 

0.11 3.99 0.66 3.45 3.45 3.42 GND 

1024*768 

60K/75Hz 

0.06 4.02 0.47 3.62 3.62 0.56 GND 

 

IC 

U2 (FAST 7414) 

PIN 

MODE 

8 9 10 11 12 13 14 

640*480 

31K/60Hz 

4.05 0.00 4.05 0.00 3.96 0.16 5.20 

800*600 

48K/72Hz 

4.05 0.00 4.05 0.00 0.17 4.00 5.20 

1024*768 

60K/75Hz 

4.05 0.00 4.05 0.00 0.15 4.03 5.20 

 

IC U3 

(AD9884A) 

PIN 

MODE 

1 2 3 4 5 6 7 8 9 10 

640*480 

31K/60Hz 0.00 0.66 0.69 3.30 GND GND 0.50 3.30 GND 3.30 

800*600 

48K/72Hz 0.00 0.67 0.68 3.30 GND GND 0.47 3.30 GND 3.30 

1024*768 

60K/75Hz 0.00 0.68 0.69 3.30 GND GND 0.51 3.30 GND 3.30 

 

IC U3 

(AD9884A) 

PIN 

MODE 

11 12 13 14 15 16 17 18 19 20 

640*480 

31K/60Hz 3.30 GND GND GND 0.48  3.30 GND 3.30  3.30 GND 

800*600 

48K/72Hz 3.30 GND GND GND 0.45  3.30 GND 3.30  3.30 GND 

1024*768 

60K/75Hz 3.30 GND GND GND 0.49  3.30 GND 3.30  3.30 GND 

Summary of Contents for LPC15B13AA74

Page 1: ...PV500T LPC15W13AA74 PV500AT LPC15W13AA75 PV500BT LPC15B13AA74 PV500BAT LPC15B13AA75 SERVICE MANUAL EDITION 1 May 2003 CTX ...

Page 2: ...uble Shooting 10 11 5 System Block Diagram 12 6 Touch Panel Control Board I O Connection 12 7 Inverter Board I O Connection 13 8 IC Pin Configuration 14 17 9 Pin Assignment 18 25 10 Recommended Spare Parts List For PV500T 26 11 Recommended Spare Parts List For PV500BT BAT 27 Appendix 1 Main Board Circuit Diagram 2 Assembly Explosion Drawing ...

Page 3: ...ritten 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 publ...

Page 4: ...s adjustment 9 2 Contrast adjustment 9 3 Auto tune function VGA 9 4 Color selection 9 5 Image adjustment 9 6 Position adjustment 9 7 Language selection 9 8 Reset function 10 Audio module integrated Speaker 2 stereo earphone jack PV500AT PV500BAT only 11 Audio volume adjustment by VR PV500AT PV500BAT only 12 5 wire resistive touch panel function RS232 13 Built in touch panel power with 5V from LCD ...

Page 5: ... Connection Pin 5 Ground Pin 6 R Return Pin 7 G Return Pin 8 B Return Pin 9 No Connection Pin 10 Ground Pin 11 Ground Pin 12 SDA Pin 13 H Sync Pin 14 V Sync Pin 15 SCL 2 3 Audio Input LPC15B13AA75 LPC15W13AA75 only 2 3 1 Audio Input Signal Right Left channels Input level 1Vrms typical 2Vrms max Input Impedance 15 K ohm 2 3 2 Audio Input Connection a Detachable stereo head phone in two ends signal ...

Page 6: ...m Ambient illumination is to be 300 to 500 lux Defects not apparent within one minute shall be ignored Table 1 Defects Dots Model Pixel Faults Type PV500T Series 0 Pixel Fault Type1 Bright Pixels Note1 0 Type2 Dark Pixels Note2 0 Type3 Fault Pixels Sub Pixels Note3 0 Type4 Cluster of type1 or type 2 faults Note4 0 Type5 Cluster of type3 faults Note4 0 Total Pixel Faults 0 Note 1 Bright pixels in f...

Page 7: ...9 13 853 13 333 P ms Pulse Width 0 064 0 064 0 079 0 080 0 106 0 125 0 064 Q ms Back Porch 1 112 1 048 0 739 0 427 0 607 0 478 0 448 R ms Active Area 12 711 15 253 12 678 12 800 15 840 12 480 12 8 S ms Front Porch 0 381 0 318 0 237 0 027 0 026 0 770 0 021 Display Format VESA VESA VESA Horizontal Dots 1024 1024 1024 Vertical lines 768 768 768 Horizontal Frequency KHz 48 363 56 746 60 023 Vertical F...

Page 8: ... of DDC so you shouldbe power off then power on monitor again to read DDC1 DDC 2B data transmission only For I C BUS Interface card 3 4 Scanning characteristics Horizontal frequency Refresh rate 30KHz to 60KHz 60Hz to 75Hz 3 5 Audio Module LPC15W13AA75 LPC15B13AA75 only 3 5 1 Input Level 1Vrms typical 2Vrms max 3 5 2 Output Power 1W 2 10 THD 1KHz 3 5 3 Total Harmonic Distortion THD 0 3 0 5W 2 1KHz...

Page 9: ...ss or to adjust Contrast up or down Press to pop up then press or to adjust Brightness up or down Table 3 Level 1 Level 2 Level 3 Level 4 Contrast icon Adjustment scale 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 Dither Text Gfx Adjustment scale Adjustment scale A...

Page 10: ...amber LED is located on the front bezel to indicate the power management states DPMS Sync Video Power consumption Power management Picture Recovery time LED Color Active Active 25W max LPC15W13AA75 LPC15B13AA75 23W max LPC15W13AA74 LPC15B13AA74 ON Green No Sync 4W Typical Power saving 3 sec Amber 3 8 Touch Panel Module 3 8 1 General There are four major parts for touch panel system Sensor glass co...

Page 11: ...Service Guide PV500T SERIES 10 3 8 3 Control Board RS232 Power Requirement 5V DC the 5V is controlled by LCD Monitor on off switch Data Rate 9600 Baud Data Input RJ 11 PORT 4 Trouble Shooting ...

Page 12: ...Service Guide PV500T SERIES 11 ...

Page 13: ...ayed Correctly N Y N Y N Y N Y Y Start Is input signal OK Is color value corredt Is main board input signal OK Is U4 output signal OK Is P7 P8 R G B is correctly END Check video cable P2 pin 1 2 3 Adiust color value U3 pin 7 15 22 Check W01 connector Check U4 pin 4 25 ...

Page 14: ...Service Guide PV500T SERIES 13 5 SYSTEM BLOCK DIAGRAM 6 Touch Panel Control Board I O Connection ...

Page 15: ...Service Guide PV500T SERIES 14 7 Inverter Board I O Connection NOTE MANUFACTURER S NAME MUST BE ON THE PRINTED SIDE FOR THE INVERTER BOARD TO BE FACING UP ...

Page 16: ...Service Guide PV500T SERIES 15 8 Main B D IC Pin Configuration ...

Page 17: ... N D C K IN V C LA M P SD A SC L A 0 A 1 G N D G N D V D G N D V D G N D V O V O 61 62 55 56 V D GND GND GND V D REFIN REFOUT PWRDN 91 90 89 88 81 80 87 86 85 84 70 69 68 75 74 73 72 D R B 4 D R B 5 D R B 6 71 79 78 77 76 83 82 D R B 0 D R B 1 D R B 2 D R B 3 D R B 7 V D D G N D D G A 0 D G A 1 D G A 2 D G A 3 D G A 4 D G A 5 D G A 6 D G A 7 V D D G N D D G B 0 D G B 1 D G B 2 D G B 3 D G B 4 D G ...

Page 18: ... MD19 MD20 MD21 MD22 MD23 MVDD3 MD24 MD25 MD26 MD27 MD28 MD29 MD30 MD31 MCLK MVSS3 RAS0 CAS0 WE0 DQM0 MVDD2 MA0 MA1 MA2 MA3 MA4 MA5 MA6 MA7 MA8 DVD0 MA9 DVD1 MVSS2 MD32 MA10 MA11 RAS1 DVD0 CAS1 DVD1 MD37 MD38 CVDD3 MD12 MD33 MD34 MD35 MD36 WE1 MRST DQM1 MD6 MD5 MD4 MD3 MD2 MD1 MD0 DVDD R0 R1 R2 R3 R4 R5 R6 R7 DVDD G0 G1 G2 G3 G4 G5 G6 G7 B0 B1 B2 B3 B4 B5 B6 B7 HSYNC VSYNC SDA EXMCLK SCL EXVCLK AV...

Page 19: ... 0 47 3 62 3 62 0 56 GND IC U2 FAST 7414 PIN MODE 8 9 10 11 12 13 14 640 480 31K 60Hz 4 05 0 00 4 05 0 00 3 96 0 16 5 20 800 600 48K 72Hz 4 05 0 00 4 05 0 00 0 17 4 00 5 20 1024 768 60K 75Hz 4 05 0 00 4 05 0 00 0 15 4 03 5 20 IC U3 AD9884A PIN MODE 1 2 3 4 5 6 7 8 9 10 640 480 31K 60Hz 0 00 0 66 0 69 3 30 GND GND 0 50 3 30 GND 3 30 800 600 48K 72Hz 0 00 0 67 0 68 3 30 GND GND 0 47 3 30 GND 3 30 10...

Page 20: ...1 1 01 1 00 0 99 800 600 48K 72Hz GND GND GND 3 29 1 01 1 01 1 01 1 01 0 99 0 99 1024 768 60K 75Hz GND GND GND 3 29 1 01 1 01 1 01 1 01 0 99 0 99 640 480 31K 60Hz 0 99 0 98 GND 3 29 2 41 2 41 2 41 2 41 0 00 1 98 800 600 48K 72Hz 0 99 0 98 GND 3 29 2 29 2 29 2 29 2 29 0 00 2 31 1024 768 60K 75Hz 0 99 0 98 GND 3 29 2 47 2 47 2 48 2 46 0 00 2 43 640 480 31K 60Hz 1 04 1 07 GND 3 29 0 70 0 69 0 68 0 68...

Page 21: ...3 29 1 74 1 79 0 40 0 00 GND 3 29 800 600 48K 72Hz 2 55 2 02 GND 3 29 1 77 1 70 1 65 0 00 GND 3 29 1024 768 60K 75Hz 0 48 0 52 GND 3 29 1 75 1 72 0 25 0 00 GND 3 29 640 480 31K 60Hz GND GND GND 3 30 3 97 1 24 1 24 3 30 800 600 48K 72Hz GND GND GND 3 30 3 97 1 24 1 24 3 30 1024 768 60K 75Hz GND GND GND 3 30 3 97 1 24 1 24 3 30 640 480 31K 60Hz 3 29 0 00 0 00 5 19 5 19 5 19 5 19 5 19 5 19 5 19 800 6...

Page 22: ...0 05 0 42 2 34 1 20 0 00 800 600 48K 72Hz 2 24 2 25 2 24 2 25 0 00 0 04 0 35 2 26 1 39 0 00 1024 768 60K 75Hz 3 25 3 28 3 29 3 28 0 00 0 04 0 34 2 41 1 33 0 00 640 480 31K 60Hz 0 47 0 22 3 29 1 57 0 05 0 91 3 28 2 34 3 29 2 33 800 600 48K 72Hz 0 47 0 13 3 29 1 64 0 65 0 00 2 26 2 24 3 29 3 28 1024 768 60K 75Hz 0 02 0 13 3 29 1 64 0 12 0 00 3 28 3 28 3 29 3 28 640 480 31K 60Hz 0 81 0 26 2 13 0 01 0...

Page 23: ...0 86 0 77 800 600 48K 72Hz 1 66 1 67 1 67 3 29 0 29 0 55 0 81 0 77 0 83 0 75 1024 768 60K 75Hz 1 66 1 67 1 66 3 29 0 34 0 64 0 96 0 95 0 97 0 87 640 480 31K 60Hz 0 79 0 00 0 00 0 00 0 36 0 36 0 02 0 00 0 00 0 00 800 600 48K 72Hz 0 81 0 00 0 00 0 00 0 36 0 36 0 08 0 00 0 00 0 00 1024 768 60K 75Hz 0 88 0 00 0 00 0 00 0 36 0 36 0 11 0 00 0 00 0 00 640 480 31K 60Hz 0 69 0 74 0 76 0 74 0 86 0 75 0 75 0...

Page 24: ...00 48K 72Hz 3 28 0 50 0 00 0 48 3 28 3 28 3 28 0 47 0 48 3 28 1024 768 60K 75Hz 3 28 0 50 0 00 0 48 3 28 3 28 3 28 0 47 0 48 3 28 640 480 31K 60Hz 3 28 0 00 2 32 3 10 2 47 0 03 0 00 2 41 2 41 2 41 800 600 48K 72Hz 3 28 0 00 1 53 2 67 2 35 0 00 0 00 2 29 2 26 2 29 1024 768 60K 75Hz 3 28 0 00 0 53 0 66 0 28 2 41 0 00 2 46 2 48 2 47 640 480 31K 60Hz 3 29 0 06 2 40 0 00 2 41 2 41 0 00 2 41 2 41 1 10 8...

Page 25: ...5 16 17 18 19 20 21 22 640 480 31K 60Hz 0 00 5 19 5 19 5 19 0 04 5 19 5 19 5 19 2 74 1 74 0 00 800 600 48K 72Hz 0 00 5 19 5 19 5 19 0 04 5 19 5 19 5 19 2 74 1 74 0 00 1024 768 60K 75Hz 0 00 5 19 5 19 5 19 0 04 5 19 5 19 5 19 2 74 1 74 0 00 IC U5 M6759 PIN MODE 23 24 25 26 27 28 29 30 31 32 33 640 480 31K 60Hz 0 00 5 19 5 19 5 19 5 19 5 19 5 19 5 19 5 19 5 19 1 72 800 600 48K 72Hz 0 00 5 19 5 19 5 ...

Page 26: ...PIN MODE 1 2 3 4 5 6 7 8 640 480 31K 7 76 12 06 0 96 1 00 0 18 1 40 0 97 0 00 800 600 48K 7 74 12 05 0 96 1 00 0 18 1 41 0 97 0 00 1024 768 60K 7 73 12 05 0 96 1 00 0 18 1 41 0 97 0 00 TR Q101 Q102 Q103 PIN MODE G D S E C B E C B 640 480 31K 7 78 5 62 12 05 7 77 12 05 7 83 7 78 0 00 7 84 800 600 48K 7 75 5 62 12 05 7 75 12 05 7 82 7 78 0 00 7 82 1024 768 60K 7 75 5 62 12 05 7 75 12 05 7 82 7 76 0 ...

Page 27: ...R 7 0800049002 CABINET BACK 8 0820102000 CABINET FRONT 9 7110144100 FUNCTION KEY 10 7500145005 SHIELD COVER 11 7620175200 BRACKET FIXING PLATE 12 SSBASE 502 SUB ASSY BASE FOR PV500T 13 SZADPT 028 SUB Z ASSY ADAPTER 14 0400725300 CARTON 483 257 532 15 0430040300 CUSHION R 16 0430041300 CUSHION L 17 0430042300 CUSHION T B 18 0430044300 CUSHION BASE 19 0430045300 PANEL PROTECTION 20 0430046300 CUSHIO...

Page 28: ...820102001 CABINET FRONT BLACK 9 7111144100 FUNCTION KEY BLACK 10 7500145005 SHIELD COVER 11 7620175200 BRACKET FIXING PLATE 12 SSBASE 417 SUB ASSY BASE FOR PV500BT BAT 13 SZADPT 028 SUB Z ASSY ADAPTER 14 0400725300 CARTON 483 257 532 15 0430040300 CUSHION R 16 0430041300 CUSHION L 17 0430042300 CUSHION T B 18 0430044300 CUSHION BASE 19 0430045300 PANEL PROTECTION 20 0430046300 CUSHION 21 65R00 150...

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