CTX PV722E Service Manual
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CTX PV722E Service Manual

Ctx pv722e: service manual
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PV722i/PV722E

SERVICE MANUAL

EDITION 1
The Monitor Specialists
JAN. 2003

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Summary of Contents for CTX PV722E

  • Page 1: Service Manual

    PV722i/PV722E SERVICE MANUAL EDITION 1 The Monitor Specialists JAN. 2003...

  • Page 2: Table Of Contents

    1. Scope (For PV722i) 2. Input requirements (For PV722i) 3. Electrical Characteristics (For PV722i) 4. Scope (For PV722E) 5. Input requirements (For PV722E) 6. Electrical Characteristics (For PV722E) 7. Trouble Shooting 8. System Block Diagram 9. Inverter Board I/O Connection 10.

  • Page 3: C C T T X X Service Manual

    Copyright © 2002 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 (For Pv722I)

    (ISO13406-2 (ISO13406-2 Class Ⅱ ) Class Ⅱ , 0 pixel Fault) LKC17SS2CC LKC17SS0CC Ⅱ Ⅱ : ≦ 43W : ≦ 3W (PC off) Service Manual PV722i/PV722E brightness function PV722i PV722i (ISO13406-2 Class Ⅱ + Audio) LKC17SS2CC01 Ⅱ Ⅱ Ⅰ Ⅱ...
  • Page 5 Service Manual PV722i /PV722E 2. PV722I model without Audio (LKC17SS4CC /LKC17SS2CC/ Normal operating mode Power saving mode 2.1.3. AC Line Drop Out Power switch off 2.1.4. AC Wave Distortion Picture must not disappear while AC 100 V input drop out(10ms, 100%) 2.1.5.

  • Page 6: Electrical Characteristics (For Pv722I)

    ≦ 3 ≦ 5 ≦ 3 ≦ 3 ≦ 5 ≦ 2 ≦ 0 ≦ 3 ≦ 3 ≦ 8 ≦ 5 Service Manual PV722i/PV722E PV722i (ISO13406-2 Class Ⅱ + Audio) ≦ 3 ≦ 3 ≦ 5 ≦ 3 ≦ 5...
  • Page 7 Service Manual PV722i /PV722E Note 1 : The spec meets ISO/FDIS 13406-2 Pixel Faults Class Ⅱ requirements. 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.
  • Page 8 800 * 600 @ 70Hz 640 * 480 @ 70Hz 640 * 350 @ 70Hz Fig. 1 Timing chart VIDEO H SYNC Video V Sync 3.2.2 Digital DVI Support mode 640 * 480 @60Hz 800 * 600 @60Hz 1024*768 @60Hz Service Manual PV722i/PV722E...
  • Page 9 Service Manual PV722i /PV722E 3.3 Plug & Play 3.4 Scanning characteristics Horizontal frequency Refresh rate 3.5 Audio Module (Optional , for LKC17SS2CC01 model) 2.2.1 Input Level : 1Vrms(typ),2Vrms(max) 2.2.2 Output Power : 1W * 2 (10% THD,1KHz) 2.2.3 Total Harmonic Distortion (THD)…..0.3%(0.5W*2, 1KHz) 2.2.4 Frequency Response ±...
  • Page 10 V-Position Center English (select) German (select) French (select) Spanish (select) Italiano (select) 中文 (option) Yes/No DVI/VGA (select) Service Manual PV722i/PV722E Level 4 Adjustment Scale Adjustment Scale Adjustment Scale Adjustment Scale Adjustment Scale Adjustment Scale Adjustment Scale Adjustment Scale Adjustment Scale...
  • Page 11 Service Manual PV722i /PV722E Remark : “*” : for LKC17SS2CC01 model 2.DVI input Level 1 Detect Adj. Brightness Detect Adj. Contrast Detect Adj. *Audio Mute *Volume Color Main Menu Image Position Language Reset Source Remark : “*” : for LKC17SS2CC01 model.
  • Page 12 Once “Esc” or “△ ” or “▽ ” key initiates under power saving condition, the audio function be woken up and the power consumption can not be the above definition. Power Picture Recovery time management ≦ 3 sec -11- Service Manual PV722i/PV722E LED Color Green Amber...

  • Page 13: Scope (For Pv722E)

    This specification defines the design and performance requirements for the 17” SXGA TFT LCD display monitor.“PV722E “ There are 2 models of “ PV722E” in each own’s project code. Project Code: The common features of the 2 models of “PV722E” are listed in the following table : Feature Description Universal input AC/DC Adaptor...

  • Page 14: Input Requirements (For Pv722E)

    2. INPUT REQUIREMENTS 2.1 Input Power 2.1.1. Power Source 2.1.2. Power Consumption For PV722E model (Audio + USB) Normal operating mode 1.Audio Module and USB Hub are operating at full power Power saving mode Power switch off 2.1.3. AC Line Drop Out 2.1.4.

  • Page 15: Digital Input

    Service Manual PV722i /PV722E 2.2.2 Digital Input Input Interface Digital Input connection Signal Assignment T.M.D.S Data 2- T.M.D.S Data 2+ T.M.D.S Data 2 Shield DDC Clock 2.3 Audio Input 2.3.1 Audio Input Signal 2.3.2. Audio Input Connection 2.4 USB Input (AS0USB-001) 2.4.1 USB Input signal...
  • Page 16 Type to support field replacement. Life time 30000 hours @ 25C, 50% of initial value. Model PV722E (Note1) ( 0 Pixel Fault ) -15- Service Manual PV722i/PV722E PV722E (Note 6) ≦ 3 ≦ 3 ≦ 5 ≦ 3 ≦ 5...
  • Page 17 Service Manual PV722i /PV722E 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 1280x1024. The monitor shall support all the modes listed in Table 1.
  • Page 18 1152 * 864 @ 60Hz, 70Hz,72Hz 1024 * 768 @ 72Hz 800 * 600 @ 70Hz Fig.1 Timing Chart Video Video V Sync 3.2.2 Digital DVI Support mode 640 * 480 @60Hz 800 * 600 @60Hz 1024*768 @60Hz -17- Service Manual PV722i/PV722E...
  • Page 19 Service Manual PV722i /PV722E 3.3 Plug & Play 3.4 Scanning characteristics Horizontal frequency Refresh rate 3.5 USB 2.0 Module (AS0USB-001) The USB 2.0 Hub can detect the status of Host Computer (USB V or turn off it, to reach the purpose of saving power.
  • Page 20 Press “Esc” directly to enable speakers, while speaker in audio mute state. “Esc” key is for Mute On and Off function “△ ” key is for increasing volume function. “▽ ” key is for decreasing volume function. Change between VGA and DVI mode. -19- Service Manual PV722i/PV722E...
  • Page 21 Service Manual PV722i /PV722E Table 2 PV722 OSD Control Map 1. VGA-D15 input Level 1 Detect Adj. Brightness Detect Adj. Contrast Detect Adj. Audio Mute Volume Auto Tune Color Main Menu Image Position Language Reset Source Level 2 Level 3...
  • Page 22 “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. -21- Service Manual PV722i/PV722E Level 4 Adjustment Scale Adjustment Scale Adjustment Scale...

  • Page 23: Power Management

    Service Manual PV722i /PV722E 3.8 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.

  • Page 24: Trouble Shooting

    Service Manual PV722i/PV722E 7. TROUBLE SHOOTING VIDEO DOES NOT APPEAR -23-...
  • Page 25 Service Manual PV722i /PV722E R.G.B is not displayed correctly -24-...

  • Page 26: System Block Diagram

    Service Manual PV722i/PV722E 8. SYSTEM BLOCK DIAGRAM -25-...

  • Page 27: Inverter Board I/O Connection

    Service Manual PV722i /PV722E 9. INVERTER BOARD I/O CONNECTIONS -26-...

  • Page 28: Ic Pin Configuration

    Service Manual PV722i/PV722E 10. IC Pin Configuration -27-...
  • Page 29 Service Manual PV722i /PV722E -28-...
  • Page 30 Service Manual PV722i/PV722E -29-...
  • Page 31 Service Manual PV722i /PV722E -30-...

  • Page 32: Pin Assignment

    4.45 3.33 2.52 4.43 3.33 U8 (AT24C02) 4.87 4.87 U12 (AT24C16) 5.07 5.07 U13 (LM358DR) 3.31 0.73 3.31 0.73 -31- Service Manual PV722i/PV722E 4.14 4.66 4.66 4.14 4.66 4.66 3.33 5.06 5.06 3.33 5.07 5.07 4.71 4.78 4.73 4.79 5.07 5.07...
  • Page 33 Service Manual PV722i /PV722E MODE 1280*1024 80K/75Hz 5.07 5.07 1024*768 56K/70Hz 5.07 5.07 MODE 1280*1024 80K/75Hz 4.90 5.07 1024*768 56K/70Hz 4.90 5.07 MODE 1280*1024 80K/75Hz 2.18 1024*768 56K/70Hz 2.18 MODE 1280*1024 80K/75Hz 4.01 5.07 1024*768 56K/70Hz 4.01 5.07 U14 (W78E65)
  • Page 34 3.33 1.31 U16 (THC63LVDM83A) 3.33 1.23 1.27 1.21 3.33 1.23 1.25 1.21 U16 (THC63LVDM83A) 2.38 0.04 2.38 0.04 -33- Service Manual PV722i/PV722E 2.42 2.27 2.38 2.59 2.40 2.49 0.22 2.42 0.22 2.59 1.21 1.28 1.23 1.21 1.28 1.23 1.28 2.42 1.28...
  • Page 35 Service Manual PV722i /PV722E MODE 1280*1024 80K/75Hz 3.33 2.42 1024*768 56K/70Hz 3.33 2.59 MODE 1280*1024 80K/75Hz 0.97 1.71 1024*768 56K/70Hz 1.26 1.75 MODE 1280*1024 80K/75Hz 2.24 1024*768 56K/70Hz 2.49 MODE 1280*1024 80K/75Hz 1.54 3.33 1024*768 56K/70Hz 1.54 3.33 MODE 1280*1024 80K/75Hz 1.21...
  • Page 36 5.07 4.82 0.17 5.07 Q4 (2N3904) 3.33 3.33 Q8 (MMBT3906LT1) 10.61 3.34 3.30 2.68 10.95 3.34 3.30 2.68 U1 (9435A) -35- Service Manual PV722i/PV722E 0.01 2.42 0.01 2.59 6.35 6.35 5.17 5.16 Q5 (MMBT3906LT1) 5.07 5.05 4.40 5.07 5.05 4.40...
  • Page 37 Service Manual PV722i /PV722E 1280*1024 80K/75Hz 11.72 11.73 1024*768 56K/70Hz 11.74 11.74 MODE 1280*1024 80K/75Hz 11.74 11.74 1024*768 56K/70Hz 11.73 11.73 MODE 1280*1024 80K/75Hz 1.70 0.95 1024*768 56K/70Hz 1.70 0.95 MODE 1280*1024 80K/75Hz 0.62 1024*768 56K/70Hz 0.61 QI (BRA114EMP) MODE 1280*1024 80K/75Hz 11.75...
  • Page 38 MODE 1280*1024 80K/75Hz 4.90 11.73 1024*768 56K/70Hz 4.90 11.73 Q10 (MMBT3906LT1) MODE 1280*1024 80K/75Hz 5.01 1024*768 56K/70Hz 5.01 Q8 (2N3904) 4.93 5.08 11.75 5.19 4.93 5.08 11.75 5.14 5.06 5.09 -37- Service Manual PV722i/PV722E Q9 (MMBT3906LT1) 4.89 4.93 4.89 4.93...

  • Page 39: Parts List

    PV722i /PV722E 12. PARTS LIST ITEM PART NUMBER AC1720-D01 DC1720-A03 EC1720-A01 TC1720-D01 10A17-0C0A 0800055367 0820094311 SSBASE-418 SZADPT-030P SUB-Z ASSY ADAPTER 48W(For PV722i) SZADPT-101B SUB-Z ASSY ADAPTER 60W(For PV722E) 0400739300 0510148800 0510149800 0670455000 0670456000 0670349500 0670452600 05Z0001900 05Z0002900 AS00AV-009 AS0USB-001 DESCRIPTION...

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