S700/730 SERVICE MANUAL The Monitor Specialists EDITION 1 Dec.. 2002 CTX CTX Dec- 2002 - Version 0 Service Manual S700/730 TABLE OF CONTENTS CONTENTS Sections 1. Scope 2. Input requirements 3. Electrical Characteristics 4. Trouble Shooting 5. System Block Diagram 6. Inverter Board I/O Connection 7. IC Pin Configuration 8. Pin Assignment 9. Parts List Appendix 1. Main Board Circuit Diagram 2. Assembly Explosion Drawing 3 4 5 10~11 12 13 14~16 17~23 24 PAGE -1- Service Manual S700/730 Copyright © 2002 by Chuntex Electronic Co., Ltd. CTX CTX Dec- 2002 - Version 0 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. 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 publisher without any notice in advance. CTX is a registered trademark of Chuntex Electronic Co., Ltd. -2- CTX CTX Dec- 2002 - Version 0 Service Manual S700/730 This specification defines the design and performance requirements for the 17" SXGA TFT LCD display monitor."S700/730 " There are 2 series of " S700/730" in each own's project code. The common features of the 2 series of "S700/730" are listed in the following table : 1. SCOPE Feature Description 1 2 3 4 5 6 7 8 9 9.1 9.2 9.3 9.4 9.5 9.6 9.7 9.8 Universal input AC/DC power supply inside the monitor Analog RGB interface (VGA ) 30~80KHz, 59~75Hz, 135MHz 17" SXGA 1280*1024, TFT LCD panel Function keys * 5 : Power On/Off, ESC, (up), (down), (enter) Direct Acess function keys : for contrast function, for Green/Amber LED indicator for power on/power saving Plug & play support with DDC2B protocol installed. Power saving mode compliant with Energy Star OSD (on screen display) MENU operation Brightness adjustment Contrast adjustment Auto tune function (VGA) Color selection Image adjustment Position adjustment Language selection Reset function brightness function The differential features of the 2 models of S700 are listed in the following table Model Project Feature TCO Cosmetic Color S700 LJE17W24GA 99 White (CTX87310) S700 ( Black) LJE17B24GA 95 Black (CTX91471) The differential features of the 2 models of s730 are listed in the following table Model S730 S730 ISO13406-2 0 Pixel faults Project Feature ISO13406-2 Pixel Faults Class LIE17G24GA LIE17G23GA I 2. INPUT REQUIREMENTS -3- Service Manual S700/730 2.1 Input Power 2.1.1. Power Source 2.1.2. Power Consumption 100 ~ 240 Vac, + -10%, 50/60 Hz Normal operating mode : 35W Power saving mode Power switch off 2.1.3. AC Line Drop Out : 3W : 2W CTX CTX Dec- 2002 - Version 0 Picture must not disappear while AC 100 V input drop out (10ms, 100%) 2.1.4. AC Wave Distortion 2.1.5. In-rush Current 2.1.6. Power Cord 10% max. permitted 50 A max at 240 Vac cold start Detachable, 3P with ground type. 2.2 Display Input 2.2.1. RGB Video Analogue, 0.0 to 0.7 V peak to peak Separate RGB Input impedance 75 Ohm Positive polarity 2.2.2 Sync Signal 1.Separate horizontal & vertical sync (3.3V & 5V) Low level 0.8 V maximum High level 2.0 V minimum Positive or negative polarity 2.2.3 Analog Input Connection a. Captive cable(length1.5M) in LCD monitor end, Mini D-sub 15 pin male in another end. b.Cable oin assignment -4- CTX CTX Dec- 2002 - Version 0 Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 Pin 7 Pin 8 Red Green Blue No Connection Ground R Return G Return B Return Service Manual S700/730 Pin 9 Pin 10 Pin 11 Pin 12 Pin 13 Pin 14 Pin 15 DDC +5V Ground Ground SDA H. Sync & V. Sync SCL Composite sync 3. ELECTRICAL CHARACTERISTICS 3.1 LCD Panel 3.1.1. Type 3.1.2. Pixel structure 17" diagonal, SXGA resolution, color TFT-LCD R/G/B sub-pixels in vertical stripes 1280 x 1024 array matrix A-Si TFT active matrix 3.1.3. Gray scale 3.1.4. Surface treatment 3.1.5. Backlight 16 million Colors. 3H hard coating ,anti-static Integral CCFT , Type to support field replacement. Life time 30000 hours @ 25C, 50% of initial value. 3.1.6 Pixel Faults Model Project Pixel Faults type Type1 Bright Pixels (Note 1) Type2 Dark Pixels (Note 2) Type3 Fault Pixels / Sub-Pixels(Note 3) 5 5 3 5 5 3 S700 LJE17W24GA S700 (Black) LJE17B24GA -5- Service Manual S700/730 Type4 Cluster of type1 or type 2 faults(Note 4) Type5 Cluster of type3 faults (Note4) Type6 Total Pixel Faults 2 3 8 2 3 8 CTX CTX Dec- 2002 - Version 0 Note 1 : Bright pixels in full black pattern. Note 2 : Dark pixels in full white pattern Note 3 : fault Pixel / Sub-Pixel : The pixel or sub-pixel is abnormal but not bright/dark pixel. Note 4 : Fault Cluster : Two or more Pixels/Sub-pixels with faults within 5 * 5 block of pixels. Model Pixel Faults type Type1 Bright Pixels (Note 2) Type2 Dark Pixels (Note 3) Type3 Fault Pixels / Sub-Pixels(Note 4) Type4 Cluster of type1 or type 2 faults(Note 5) Type5 Cluster of type3 faults (Note5) Type6 Total Pixel Faults S730 ISO13406-2 0 pixel fault LIE17G23GA (Note 1) 0 0 0 0 0 0 S730 LIE17G24GA 5 5 3 2 3 8 Note 1 :LIE17G23GA Meet ISO 13406-2 pixel fault class I requirement (0 Pixel Faults) Note 2 : Bright pixels in full black pattern. Note 3 : Dark pixels in full white pattern Note 4 : fault Pixel / Sub-Pixel : The pixel or sub-pixel is abnormal but not bright/dark pixel. Note 5 : Fault Cluster : Two or more Pixels/Sub-pixels with faults in 5 * 5 block of pixels. -6- CTX CTX Dec- 2002 - Version 0 3.2 Modes and Timing Compability The monitor shall support all the modes listed in Table 1. Service Manual S700/730 Table 1. Supported Timing Display Format IBM VGA Horizontal Dots 720 640 Vertical lines 400 480 Horizontal Frequency 31.469 Vertical Frequency 70 59.94 Pixel Rate ( MHz ) 28.322 25.175 H. Sync. Polarity 31.778 A S ( Period ) 3.813 B S ( Pulse Width ) 1.907 C S ( Back Porch ) 25.422 D S ( Active Area ) 0.636 E S (Front Porch ) V. Sync. Polarity + O ms ( Period ) 16.683 P ms ( Pulse Width ) 0.064 Q ms ( Back Porch ) 1.048 R ms ( Active Area ) 12.711 15.253 S ms ( Front Porch ) 0.318 Display Format Horizontal Dots Vertical lines Horizontal Frequency Vertical Frequency Pixel Rate ( MHz ) H. Sync. Polarity A S ( Period ) B S ( Pulse Width ) C S ( Back Porch ) D S ( Active Area ) E S (Front Porch ) V. Sync. Polarity O ms ( Period ) P ms ( Pulse Width ) Q ms ( Back Porch ) R ms ( Active Area ) S ms ( Front Porch ) VESA 1024 768 48.363 60.004 65.0 20.667 2.092 2.462 15.754 0.369 16.666 0.124 0.6 15.88 0.062 VESA 1024 768 56.746 70.069 75 17.707 1.813 1.920 13.653 0.321 14.272 0.106 0.513 13.599 0.054 VESA 640 480 37.861 72.809 31.5 26.413 1.270 4.063 20.317 0.763 13.735 0.079 0.739 12.678 0.237 VESA 1024 768 60.023 75.029 78.75 + 16.660 1.219 2.235 13.003 0.203 + 13.238 0.050 0.466 12.795 0.017 VESA 640 480 37.5 75 31.5 26.667 2.032 3.810 20.317 0.508 13.333 0.080 0.427 12.800 0.027 VESA 800 600 37.879 60.317 40 + 26.4 3.2 2.2 20.0 1.00 + 16.579 0.106 0.607 15.840 0.026 VESA 800 600 48.077 72.188 50 + 20.8 2.4 1.28 16.0 1.12 + 13.853 0.125 0.478 12.480 0.770 VESA 800 600 46.875 75.000 49.5 + 21.333 1.616 3.232 16.162 0.323 + 13.333 0.064 0.448 12.8 0.021 VESA 1152 864 67.5 75 108 + 14.815 1.185 2.370 10.667 0.593 + 13.333 0.044 0.474 12.8 0.015 VESA 1280 1024 63.981 60.013 108 + 15.631 1.180 2.065 11.797 0.590 + 16.663 0.047 0.594 16.006 0.016 VESA 1280 1024 79.976 75.025 135 + 12.504 1.067 1.837 9.481 0.119 + 13.329 0.038 0.475 12.804 0.012 -7- Service Manual S700/730 VGA Support Mode 1280 * 1024 @ 60Hz,70Hz 1280 * 1024 @ 72Hz,75Hz 1280 * 960 @ 60Hz,70Hz,72Hz,75Hz 1208 * 720 @ 60Hz 1152 * 864 @ 60Hz, 70Hz,72Hz 1024 * 768 @ 72Hz 800 * 600 @ 70Hz 640 * 480 @ 70Hz 640 * 350 @ 70Hz CTX CTX Dec- 2002 - Version 0 Timing Chart Figure. 1 Timing Chart Video H Sync. B C D A E Video -8- CTX CTX Dec- 2002 - Version 0 Service Manual S700/730 3.3 Plug & Play DDC 2B data transmission only for I2C BUS interface card. 30KHz to 80KHz 59Hz to 75Hz 3.4 Scanning characteristics Horizontal frequency Refresh rate 3.5 User Controls and Indicator 3.5.1 Power ON/OFF Switch 3.5.2 LED Indicator 3.5.3 OSD 3.5.3.1 Buttons 3.5.3.2 OSD Menu Level 3.5.4 Hot Keys Function 3.5.4.1 Contrast ( ) The switch control scaler power down and turn off panel. The LED color shall indicate power status as shown in paragraph 3.7 ESC , , , See Table 2. S730 OSD Control Map Fast reset : Press" " " " and turn on the power. Burn in : Press " " "ESC" and turn on the power. Press " " to pop up ;then press " " or " " to adjust Contrast up or down. Press " " to pop up ;then press " " or " " to adjust Brightness up or down. Push " " for 10 sec while the screen has not any OSD showing Then setup "Key lock" function enable or disable. 3.5.4.2 Brightness ( ) 3.5.4.3 Key lock function S700/730 OSD Control Map VGA-D15 input Level 1 Brightness Contrast Auto Tune Color Level 2 Level 3 Level 4 Detect Adj. Detect Adj. Adjustment Scale 9300 K 6500 K User -9- R/G/B select Adjustment Scale Service Manual S700/730 Image Clock Phase Smoothing Image Position Position OSD Position English (select) German (select) French (select) Spanish (select) Italiano (select) (option) Yes/No Adjustment Scale Adjustment Scale On/Off H-Position V-Position Center H-Position V-Position Center CTX CTX Dec- 2002 - Version 0 Adjustment Scale Adjustment Scale Adjustment Scale Adjustment Scale Adjustment Scale Adjustment Scale Language Reset 3.5.5 Accessory OSD Indications Signal out of range An input signal which is outside the range defined in Section 3.4 shall cause the monitor to display a message Signal Out of Range. When the signal cable is not plugged into PC or when the horizontal or vertical sync are absent and when the monitor is turned on. After 5 sec isn't to detect H or V Sync then show "No Signal Input" 3 sec, and then show " Power down" message on screen 2 sec. If first turn on the monitor, shows "No Signal Input" 30 sec. No Signal Input and power down 3.6 Power Management This monitor will meet the low power specification, Including USA governmental requirements For Energy Star, the NUTEK standard and the VESA DPMS standard which detected the Hori. /Vert. Sync signal from host CPU. A dual color (green/amber) LED is located on the front bezel to indicate the power management states. Sync On Off Power consumption 35W 3W Power management ON Off Picture Recovery time 3 sec LED Color Green Amber -10- CTX CTX Dec- 2002 - Version 0 Service Manual S700/730 -11- Service Manual S700/730 4. TROUBLE SHOOTING VIDEO DOES NOT APPEAR CTX CTX Dec- 2002 - Version 0 -12- CTX CTX Dec- 2002 - Version 0 Service Manual S700/730 R.G.B is not displayed correctly -13- Service Manual S700/730 5. SYSTEM BLOCK DIAGRAM CTX CTX Dec- 2002 - Version 0 -14- CTX CTX Dec- 2002 - Version 0 Service Manual S700/730 6. INVERTER BOARD I/O CONNECTIONS -15- Service Manual S700/730 7. IC PIN CONFIGURATION CTX CTX Dec- 2002 - Version 0 -16- CTX CTX Dec- 2002 - Version 0 Service Manual S700/730 -17- Service Manual S700/730 CTX CTX Dec- 2002 - Version 0 -18- CTX CTX Dec- 2002 - Version 0 Service Manual S700/730 MAIN/BOARD TEST CONDITION : AC LINE IN: 110V/60Hz PATTEN:FULL WHITE Uint:Volt 8. PIN ASSIGNMENT IC PIN MODE 640*480 31K/60Hz 1024*768 60K/75Hz 1280*1024 80K/75Hz IC PIN MODE 640*480 31K/60Hz 1024*768 60K/75Hz 1280*1024 80K/75Hz IC PIN MODE 640*480 31K/60Hz 1024*768 60K/75Hz 1280*1024 80K/75Hz IC PIN MODE 640*480 31K/60Hz 1024*768 60K/75Hz 1280*1024 80K/75Hz IC PIN MODE 640*480 31K/60Hz 1024*768 60K/75Hz 1280*1024 80K/75Hz 11 4.84 4.84 4.84 12 5.07 5.07 5.07 13 4.83 4.83 4.83 14 5.07 5.07 5.07 1 5.07 5.07 5.07 2 5.07 5.07 5.07 3 5.07 5.07 5.07 4 5.07 5.07 5.07 1 0 0 0 2 0 0 0 3 0 0 0 1 0 0 0 2 0 0 0 3 0 0 0 1 5.05 5.05 5.05 2 11.12 11.12 11.12 3 2.51 2.51 2.51 U6 (A04800) 4 3.82 3.85 3.86 5 3.33 3.32 3.31 6 3.33 3.32 3.31 7 5.07 5.07 5.07 8 5.07 5.07 5.07 U8 (AT24C02) 4 0 0 0 5 4.84 4.84 4.84 6 4.83 4.83 4.83 7 0 0 0 8 4.81 4.81 4.81 U12 (AT24C16N) 4 0 0 0 5 5.07 5.07 5.07 6 5.07 5.07 5.07 7 0 0 0 8 5.08 5.07 5.07 U14 (W78E65) 5 0.11 0.11 0.11 6 0.01 0.01 0.01 7 5.07 5.07 5.07 8 5.07 5.07 5.07 9 5.07 5.07 5.07 10 0.01 0.01 0.01 U14 (W78E65) 15 5.07 5.07 5.07 16 5.07 5.07 5.07 17 5.07 5.07 5.07 18 0.03 0.03 0.03 19 0.03 0.03 0.03 20 2.17 2.17 2.17 -19- Service Manual S700/730 CTX CTX Dec- 2002 - Version 0 IC PIN MODE 640*480 31K/60Hz 1024*768 60K/75Hz 1280*1024 80K/75Hz 21 2.19 2.19 2.19 22 0 0 0 23 5.07 5.07 5.07 24 5.07 5.07 5.07 U14 (W78E65) 25 5.07 5.07 5.07 26 5.07 5.07 5.07 27 0.02 0.02 0.02 28 0.05 0.05 0.05 29 5.07 5.07 5.07 30 0.02 0.02 0.02 IC PIN MODE 640*480 31K/60Hz 1024*768 60K/75Hz 1280*1024 80K/75Hz 31 5 ...