Related Manuals for CTX PV500A
Summary of Contents for CTX PV500A
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Page 1: Service Manual
SERVICE MANUAL PV500T (LPC15W13AA74) PV500AT (LPC15W13AA75) PV500BT (LPC15B13AA74) PV500BAT (LPC15B13AA75) EDITION 1 May 2003... -
Page 2: Table Of Contents
Service Guide CONTENTS Sections 1. Scope 2. Input Requirement 3. Electrical Characteristics 4. Trouble Shooting 5. System Block Diagram 6. Touch Panel Control Board I/O Connection 7. Inverter Board I/O Connection 8. IC Pin Configuration 9. Pin Assignment 10. Recommended Spare Parts List (For PV500T) 11. - Page 3 Copyright © 2003 by Chuntex Electronic Co., Ltd. The CTX SERVICE MANUAL is published by Chuntex Electronic Co., Ltd All rights reserved. No part of this manual may be used, copied, reproduced, or transmitted in any form or by any means for any purpose without the express written permission of the publisher.
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Page 4: Scope
Audio module integrated (Speaker * 2, stereo earphone jack)(PV500AT/PV500BAT only) Audio volume adjustment by VR (PV500AT/PV500BAT only) 5-wire resistive touch panel function (RS232) Built-in touch panel power with +5V from LCD monitor 2. INPUT REQUIREMENTS 2.1 Input Power 2.1.1. Power Source 2.1.2. - Page 5 Service Guide 2.2 Display Input 2.2.1. RGB Video 2.2.2. Sync Signal 2.2.3. Display Input Connection 2.3 Audio Input (LPC15B13AA75 / LPC15W13AA75 only) 2.3.1. Audio Input Signal 2.3.2. Audio Input Connection 2.4 Touch Signal 2.4.1. RS232 Connection Analogue, 0.0 to 0.7 V peak to peak Separate RGB Input impedance 75 Ohm Positive polarity...
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Page 6: Electrical Characteristics
Note 4 : Fault Cluster : Two or more Pixels/Sub-pixels with faults within 5 * 5 block of pixels. 3.2 Modes and Timing Capability The monitor shall support an internal scaler to enable the monitor to display lower resolution video modes. The scaler shall convert all lower resolution modes up to 1024x768. The monitor shall support all the modes listed in Table 2. - Page 7 Service Guide Table 2. Supported Timing Display Format Horizontal Dots Vertical lines Horizontal Frequency Vertical Frequency ( Hz ) Pixel Rate ( MHz ) 28.322 H. Sync. Polarity A μ S ( Period ) B μ S ( Pulse Width ) C μ...
- Page 8 VESA DDC 1/2B Standard When the PC system reset or power off to on again, the DDC 1 of monitor may be disabled to read, because the video card pulse will disturb the E² PROM of DDC,so you shouldbe power off then power on monitor again to read DDC1.
- Page 9 Color Quality Position Language The switch interrupt the DC supply to the monitor. It shall have no effect on the operation of AC/DC adapter. The LED color shall indicate power status as shown in paragraph 3.7 ESC ,▽ , △ , See Table 3.
- Page 10 Roll the Volume VR clockwise to get quieter sound. 3.7 Power Management This monitor will meet the low power specification, Including USA governmental requirements for Energy Star, the NUTEK standard which detected the Horizontal /Vertical. sync signal from host CPU.
- Page 11 Service Guide PV500T SERIES 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...
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Page 13: Trouble Shooting
Service Guide TROUBLE SHOOTING R.G.B Is Not Displayed Correctly Start Is input signal Is color value corredt? Is main board input signal OK? Is U4 output signal OK? Is P7 、 P8 R,G,B is correctly Check video cable P2 (pin 1 、 2 、 3) Adiust color value U3 (pin 7 、... -
Page 14: System Block Diagram
Service Guide YSTEM LOCK IAGRAM 6.Touch Panel Control Board I/O Connection PV500T SERIES... -
Page 15: Inverter Board I/O Connection
Service Guide 7.Inverter Board I/O Connection NOTE: MANUFACTURER’S NAME MUST BE ON THE PRINTED SIDE FOR THE INVERTER BOARD TO BE FACING UP. PV500T SERIES... -
Page 16: Ic Pin Configuration
Service Guide PV500T SERIES 8.Main B/D IC Pin Configuration... - Page 17 Service Guide P IN 1 ID E N T IF IE R G N D G N D A IN G N D G N D G N D S O G IN A IN G N D G N D G N D A IN G N D...
- Page 18 Service Guide CVDD3 MD12 MD11 MD10 MVSS4 DVDD T O P R O DVDD HSYNC VSYNC SDA/EXMCLK SCL/EXVCLK AVSS2 VCLK/SCL AVDD2 AVDD3 XTALT/EXPCLK/OSC XTALO AVSS3 TOPRO TP 6731 PV500T SERIES MVDD1 MD39 MD40 MD41 MD42 MD43 MD44 MD45 MD46 MD47 MD48 MD49 MD50...
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Page 19: Pin Assignment
Service Guide 9.Pin Assignment TEST CONDITION ﹕ AC LINE IN ﹕ 110V/60Hz PATTERN ﹕ FULL WHITE MODE 640*480 31K/60Hz 5.19 800*600 48K/72Hz 5.19 1024*768 60K/75Hz 5.19 MODE 640*480 31K/60Hz 4.91 800*600 48K/72Hz 0.11 1024*768 60K/75Hz 0.06 MODE 640*480 31K/60Hz 4.05 800*600 48K/72Hz 4.05 1024*768 60K/75Hz... - Page 20 Service Guide MODE 640*480 31K/60Hz 0.52 800*600 48K/72Hz 0.49 1024*768 60K/75Hz GND 0.53 MODE 640*480 31K/60Hz 0.00 0.00 800*600 48K/72Hz 0.00 0.00 1024*768 60K/75Hz 0.00 0.00 MODE 640*480 31K/60Hz 0.00 800*600 48K/72Hz 0.00 1024*768 60K/75Hz 0.00 MODE 640*480 31K/60Hz 800*600 48K/72Hz 1024*768 60K/75Hz GND MODE 640*480 31K/60Hz...
- Page 21 Service Guide MODE 640*480 31K/60Hz 0.70 0.68 800*600 48K/72Hz 0.70 0.68 1024*768 60K/75Hz 0.70 0.68 MODE 640*480 31K/60Hz 2.33 0.13 800*600 48K/72Hz 2.29 0.15 1024*768 60K/75Hz 2.44 2.34 MODE 640*480 31K/60Hz 0.33 0.32 800*600 48K/72Hz 0.34 0.33 1024*768 60K/75Hz 0.35 0.33 MODE 640*480 31K/60Hz...
- Page 22 Service Guide MODE 640*480 31K/60Hz 5.19 5.19 800*600 48K/72Hz 5.19 5.19 1024*768 60K/75Hz 5.19 5.19 MODE 640*480 31K/60Hz 5.18 5.18 800*600 48K/72Hz 5.18 5.18 1024*768 60K/75Hz 5.18 5.18 MODE 640*480 31K/60Hz 3.27 3.28 800*600 48K/72Hz 3.27 2.25 1024*768 60K/75Hz 3.27 3.28 MODE 640*480 31K/60Hz...
- Page 23 Service Guide MODE 640*480 31K/60Hz 0.28 0.44 800*600 48K/72Hz 0.14 0.32 1024*768 60K/75Hz 1.01 1.34 MODE 640*480 31K/60Hz 2.35 0.96 800*600 48K/72Hz 3.28 0.96 1024*768 60K/75Hz 3.28 0.71 MODE 640*480 31K/60Hz 1.65 1.65 800*600 48K/72Hz 1.64 1.65 1024*768 60K/75Hz 1.66 1.65 MODE 640*480 31K/60Hz...
- Page 24 Service Guide MODE 640*480 31K/60Hz 2.37 2.41 800*600 48K/72Hz 2.52 2.52 1024*768 60K/75Hz 2.33 2.26 MODE 640*480 31K/60Hz 3.26 3.26 800*600 48K/72Hz 3.26 3.26 1024*768 60K/75Hz 3.26 3.26 MODE 640*480 31K/60Hz 3.26 3.26 800*600 48K/72Hz 3.26 3.26 1024*768 60K/75Hz 3.26 3.26 MODE 640*480 31K/60Hz...
- Page 25 Service Guide MODE 640*480 31K/60Hz 1.16 1.59 800*600 48K/72Hz 1.14 1.72 1024*768 60K/75Hz 0.77 2.49 MODE 640*480 31K/60Hz 1.73 0.00 800*600 48K/72Hz 1.68 0.00 1024*768 60K/75Hz 1.72 0.00 MODE 640*480 31K/60Hz 0.00 4.15 800*600 48K/72Hz 0.00 4.15 1024*768 60K/75Hz 0.00 4.15 MODE 640*480 31K/60Hz...
- Page 26 Service Guide MODE 640*480 31K 0.00 800*600 48K 0.00 1024*768 60K 0.00 POWER/BOARD TEST CONDITION : AC LINE IN: 110V/60Hz PATTERN: FULL WHITE MODE 640*480 31K 7.76 800*600 48K 7.74 1024*768 60K 7.73 MODE 640*480 31K 7.78 800*600 48K 7.75 1024*768 60K 7.75 MODE...
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Page 27: Recommended Spare Parts List (For Pv500T)
Service Guide 10.RECOMMENDED SPARE PARTS LIST (PV500T) ITEM PART NUMBER AC1500-B04 DC1510-T02 EC1720-A02 GC1510-A02 10C15-0D1A 47I00-0030S 0800049002 0820102000 7110144100 7500145005 7620175200 SSBASE-502 SZADPT-028 0400725300 0430040300 0430041300 0430042300 0430044300 0430045300 0430046300 65R00-1500Z 65S10-1504 DESCRIPTION MAIN PCBA POWER PCBA INTERFACE A/V PCBA DISPLAY PCBA LCD TOUCH PANEL INVERTER... -
Page 28: Recommended Spare Parts List (For Pv500Bt/Bat)
Service Guide 11.RECOMMENDED SPARE PARTS LIST(PV500BT/BAT) ITEM PART NUMBER AC1500-B04 DC1510-T02 EC1720-A02 GC1510-A02 10C15-0D1A 47I00-0030S 0800049003 0820102001 7111144100 7500145005 7620175200 SSBASE-417 SZADPT-028 0400725300 0430040300 0430041300 0430042300 0430044300 0430045300 0430046300 65R00-1500Z 65S10-1504 AS00AV-008 DESCRIPTION MAIN PCBA POWER PCBA INTERFACE A/V PCBA DISPLAY PCBA LCD TOUCH PANEL INVERTER...
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