CTX S720G Service Manual

CTX S720G Service Manual

17” sxga tft lcd display monitor

Advertisement

Quick Links

S720G

SERVICE MANUAL

EDITION 1
The Monitor Specialists
Aug.. 2003

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the S720G and is the answer not in the manual?

Questions and answers

Summary of Contents for CTX S720G

  • Page 1: Service Manual

    S720G SERVICE MANUAL EDITION 1 The Monitor Specialists Aug.. 2003...
  • Page 2: Table Of Contents

    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 TABLE OF CONTENTS Service Manual S720G PAGE 10~11 14~15 16~25...
  • Page 3 S720G 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.
  • Page 4: Scope

    1. SCOPE This specification defines the design and performance requirements for the 17” SXGA TFT LCD display monitor.S720G Feature Description Universal input AC/DC power supply inside the monitor Analog RGB interface (VGA ) 30~80KHz, 59~75Hz, 135MHz Digital Visual interface(DVI-D) TMDS 1 Channel 165 MHz 17”...
  • Page 5 Pin 7 G Return Pin 8 B Return DVI-D V.1 TMDS 165MHz 1-Channel a. Captive cable (length 1.5M) in LCD monitor end , connector in another end. b. Cable pin assignment Signal Assignment 9 T.M.D.S Data 1- 10 T.M.D.S Data 1+ 11 T.M.D.S Data 1 Shield...
  • Page 6: Electrical Characteristics

    TFT active matrix 16 million colors. 3H hard coating ,anti-static,anti-glare Integral CCFL, type to support field replacement. Life time 30000 hours @ 25C, 50% of initial value. Model S730G S720G Project LIS17G24KC01 LIS17S24KC01 ≦ 5 ≦ 5 ≦ 3 ≦...
  • Page 7 0.321 0.203 0.593 16.663 14.272 13.238 13.333 0.106 0.050 0.044 0.513 0.466 0.474 16.006 13.599 12.795 12.8 0.054 0.017 0.015 S720G VESA VESA 1280 1280 1024 1024 79.976 75.025 12.054 1.180 1.067 2.065 1.837 9.481 0.590 0.119 13.329 0.047 0.038 0.594...
  • Page 8 Stereo BTL audio output amplifier with DC volume control with two 1W speakers. 1Vrms 1W * 2 (10% THD, 1KHz) 0.3% (Typ.) (0.5W * 2, 1KHz) 450Hz ~ 20KHz Service Manual S720G DVI(Input signal range) 30KHz to 80KHz 59Hz to 75Hz...
  • Page 9 The LED color shall indicate power status as shown in paragraph ESC ,▽ , △ , See Table 2. S730G/S720G OSD Control Map Press “△ ” to pop up ;then press “△ ” or “▽ ” to adjust Contrast up or down.
  • Page 10 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” for 3 seconds then show”Auto detecting”...
  • Page 11: Trouble Shooting 10~11

    3.7 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.
  • Page 12 Service Manual S720G -11-...
  • Page 13 Service Manual S720G R.G.B is not displayed correctly -12-...
  • Page 14: System Block Diagram

    Service Manual S720G 5. SYSTEM BLOCK DIAGRAM -13-...
  • Page 15: Inverter Board I/O Connection

    Service Manual S720G 6. inverter board I/O connections -14-...
  • Page 16: Ic Pin Configuration

    Service Manual S720G 7. IC PIN CONFIGURATION -15-...
  • Page 17 Service Manual S720G -16-...
  • Page 18: Pin Assignment

    Service Manual S720G 8. PIN ASSIGNMENT MAIN/BOARD -17-...
  • Page 19 2.43 0.09 2.26 2.49 1.70 2.55 0.09 2.49 2.61 1.70 2.55 0.09 2.49 2.68 0.01 0.01 3.00 -18- Service Manual S720G Q635(2N3904) 0.01 0.75 0.01 0.75 0.01 0.75 0.01 0.75 Q638(3906) 3.38 3.38 2.77 3.38 3.39 2.78 3.38 3.39 2.78 3.38...
  • Page 20 0.61 3.38 0.61 3.38 0.66 U4(GM5120) 1.34 1.20 3.38 1.52 1.05 3.38 1.60 0.95 3.38 0.66 3.38 -19- Service Manual S720G 2.43 3.00 3.59 2.36 3.16 3.64 2.36 3.16 3.64 3.93 3.36 3.36 0.04 3.37 0.04 3.37 0.04 3.37 0.04 3.37...
  • Page 21 2.47 3.36 3.37 3.38 3.38 2.57 3.36 3.37 3.38 3.38 2.59 3.36 3.37 3.38 2.57 3.36 3.37 -20- Service Manual S720G 2.47 2.47 2.47 2.59 2.58 2.59 2.59 2.58 2.59 2.55 2.47 2.56 2.45 2.47 2.45 2.58 2.46 2.59 2.45 2.54...
  • Page 22 3.38 3.38 3.38 U4(GM5120) 2.48 2.47 2.48 2.48 2.47 2.46 2.46 2.46 U4(GM5120) 3.38 3.38 3.38 3.38 -21- Service Manual S720G 0.06 3.38 0.06 3.38 0.06 3.38 0.02 3.38 3.38 3.38 3.38 3.38 3.38 3.38 3.38 3.38 3.38 3.38 3.38 3.38...
  • Page 23 3.05 3.38 U4(GM5120) 2.46 3.38 2.46 3.38 2.46 3.38 2.46 0.06 3.38 U5 (24C16) 5.12 5.12 5.12 5.12 -22- Service Manual S720G 3.38 3.38 3.38 3.38 3.38 3.38 3.04 3.04 2.46 2.47 2.46 2.46 2.48 0.06 2.48 0.06 2.48 0.06 2.48...
  • Page 24 3.87 0.14 1.61 0.13 3.93 0.12 1.58 0.12 U10 (74F14D) 0.58 4.31 3.60 0.42 3.56 0.48 3.93 1.44 -23- Service Manual S720G 0.80 2.51 1.37 1.55 0.65 2.62 1.24 1.51 0.65 2.61 1.24 1.52 3.00 1.50 1.50 3.55 3.02 2.44 3.65...
  • Page 25 U11 (SN75LVDS83) 3.38 1.16 1.29 1.16 3.38 1.17 1.29 1.17 3.38 1.17 1.29 1.17 3.38 1.17 1.29 1.16 -24- Service Manual S720G 2.47 3.38 2.47 2.58 3.38 2.58 2.59 3.38 2.59 2.47 3.38 2.56 2.47 0.61 2.58 0.64 2.58 0.64 2.56...
  • Page 26 U12 (SN75LVDS83) 2.47 2.47 3.38 1.26 2.59 2.59 3.38 1.27 2.59 2.59 3.38 1.27 2.55 2.54 3.38 1.26 -25- Service Manual S720G 2.47 2.47 2.58 2.58 2.60 2.59 2.55 2.55 2.47 3.38 2.47 2.59 3.38 2.58 2.58 3.38 2.59 2.47 3.38...
  • Page 27 U602 (PST9129N) U603 (24C02) 4.85 4.85 4.85 5.01 U604 (24C02) 0.01 0.01 0.01 5.12 U605 (A04800) 2.49 3.88 3.38 -26- Service Manual S720G 1.27 2.47 1.27 2.58 1.27 2.58 1.27 2.47 2.47 2.47 2.58 2.58 2.58 2.58 2.55 2.55 3.34 3.37...
  • Page 28 1024*768 60K/75Hz 5.08 11.19 1280*1024 80K/75Hz 5.08 11.19 DVI1280*1024 64K 5.08 11.18 Service Manual 2.49 3.89 3.38 3.38 2.49 3.89 3.38 3.38 2.48 3.87 3.37 3.37 -27- S720G 5.10 5.10 5.10 5.10 5.10 5.10...
  • Page 29: Parts List

    INVERTER PCBA DISPLAY PCBA LCD TFT 1280*1024 (M170EN05 v.1) CABINET BACK CABINET FRONT SUB ASSY BASE ADAPTER ON BOARD CARTON 480*114*540 HOLDER E.P.S. (L) HOLDER E.P.S. (R) PE BAG 650*505MM USER MANUAL(S720G/S730G) PLASTIC HANDLE BAR PLASTIC CLAP BOARD -28- S720G...

Table of Contents