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Service Manual

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PV722i /PV722E

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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.

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.

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Summary of Contents for PV722E

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

Page 2: ... Characteristics For PV722i 5 11 4 Scope For PV722E 12 5 Input requirements For PV722E 13 6 Electrical Characteristics For PV722E 15 22 7 Trouble Shooting 23 24 8 System Block Diagram 25 9 Inverter Board I O Connection 26 10 IC Pin Configuration 27 30 11 Pin Assignment 31 36 12 Parts List 37 Appendix 1 Main Board Circuit Diagram 2 Assembly Explosion Drawing ...

Page 3: ...xpress 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 ...

Page 4: ...n 10 1 Brightness adjustment 10 2 Contrast adjustment 10 3 Auto tune function VGA 10 4 Color selection 10 5 Image adjustment 10 6 Position adjustment 10 7 Language selection 10 8 Reset function 10 9 Source selection DVI VGA 11 OSD information of input status 12 Panel Rotation function for Portrait Graphic Application The differential features of the 3 models of PV722i are listed in the following t...

Page 5: ...ty Analog Input Connection a Detachable Mini D sub 15 pin male in two ends signal cable b A female Mini D sub 15 pin base Pin 1 Red Pin 2 Green Pin 3 Blue Pin 4 No Connection Pin 5 Ground Pin 6 R Return Pin 7 G Return Pin 8 B Return Pin 9 D SUB 5V Pin 10 Ground Pin 11 Ground Pin 12 SDA Pin 13 H Sync Composite sync Pin 14 V Sync Pin 15 SCL 2 2 2 Digital Input Input Interface DVI D V 1 TMDS 165MHz 1...

Page 6: ...1280 x 1024 array matrix a Si TFT active matrix MVA 3 1 3 Gray scale 16 million colors 3 1 4 Surface treatment 3H hard coating anti static anti glare 3 1 5 Backlight 3 1 6 Pixel Faults Integral CCFT Type to support field replacement Life time 30000 hours 25C 50 of initial value Model Pixel Faults type PV722i PV722i ISO13406 2 Class Ⅱ PV722i ISO13406 2 Class Ⅱ 0 pixel Fault PV722i ISO13406 2 Class ...

Page 7: ... 20 317 20 0 16 0 16 162 E μ S Front Porch 0 636 0 763 0 508 1 00 1 12 0 323 V Sync Polarity O ms Period 16 683 13 735 13 333 16 579 13 853 13 333 P ms Pulse Width 0 064 0 079 0 080 0 106 0 125 0 064 Q ms Back Porch 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 0 318 0 237 0 027 0 026 0 770 0 021 Display Format VESA VESA VESA V...

Page 8: ...ing chart 3 2 2 Digital VIDEO H SYNC B C D E Video V Sync P Q R S o DVI Support mode 640 480 60Hz 800 600 60Hz 1024 768 60Hz 1280 1024 70Hz 1280 1024 72Hz 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 ...

Page 9: ...t Keys Function 3 6 4 1 Contrast 3 6 4 2 Brightness 3 6 4 3 Mute On 3 6 4 4 Mute Off 3 6 4 5 In monitor power saving mode The switch control scaler power down and turn off panel The LED color shall indicate power status as shown in paragraph 3 7 ESC Signal source See Table 2 PV722 OSD Control Map Press to pop up then press or to adjust Contrast up or down Press to pop up then press or to adjust Br...

Page 10: ...djustment Scale Flesh Tone Adjustment Scale Y Brightness Adjustment Scale Y Contrast Adjustment Scale Color Moive Reset Clock Adjustment Scale Phase Adjustment Scale Image Smooth On Off H Position Adjustment Scale V Position Adjustment Scale Image Position Center Adjustment Scale H Position Adjustment Scale V Position Adjustment Scale Position OSD Position Center Adjustment Scale English select Ge...

Page 11: ...ter Adjustment Scale English select German select French select Spanish select Italiano select Language 中文 option Reset Yes No Main Menu Source DVI VGA select Remark for LKC17SS2CC01 model 3 6 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 No Signal Input and power do...

Page 12: ...reen amber LED is located on the front bezel to indicate the power management states Sync Power consumption Power management Picture Recovery time LED Color On 43W max LKC17SS2CC01 40W max LKC17SS2CC00 Note 1 ON Green Off 5W LKC17SS2CC01 Note 2 3W LKC17SS2CC0 Note 1 Off 3 sec Amber Note 1 For LKC17SS2CC LKC17SS0CC model Note 2 For LKC17SS2CC01 model Once Esc or or key initiates under power saving ...

Page 13: ...ction 7 Green Amber LED indicator for power on power saving 8 Plug play support with DDC2B protocol installed 9 Power saving mode compliant with Energy Star 10 OSD on screen display MENU operation 10 1 Brightness adjustment 10 2 Contrast adjustment 10 3 Auto tune function VGA 10 4 Color selection 10 5 Image adjustment 10 6 Position adjustment 10 7 Language selection 10 8 Reset function 10 9 Source...

Page 14: ...zontal vertical sync 3 3V 5V Low level 0 8 V maximum High level 2 0 V minimum Positive or negative polarity Analog Input Connection a Detachable Mini D sub 15 pin male in two ends signal Normal operating mode 1 Audio Module and USB Hub are operating at full power 2 USB Hub all ports aren t connected to any device and the audio module is operating at full power 3 USB Hub all ports aren t connected ...

Page 15: ...ce 15 Kohm 2 3 2 Audio Input Connection a Detachable stereo phone head in two ends signal cable b A femal stereo phone jack base 2 4 USB Input AS0USB 001 USB Rev 2 0 2 4 1 USB Input signal Differential signal D D 2 4 2 USB Input connection a Detachable standard USB cable 2 0 b A female standard USB up stream port base c A 1 7φ DC power jack 2 4 3 USB Output Connection Four female USB down stream p...

Page 16: ...t PV722E Note 6 Type1 Bright Pixels Note2 0 3 Type2 Dark Pixels Note3 0 3 Type3 Fault Pixels Sub Pixels Note4 0 5 Type4 Cluster of type1 or type 2 faults Note 5 22faults Note5 0 0 Type5 Cluster of type3 faults Note5 0 3 Type6 Total Pixel Faults 0 5 Note 1 The spec meets ISO FDIS 13406 2 Pixel Faults Class I requirements Note 2 Bright pixels in full black pattern Note 3 Dark pixels in full white pa...

Page 17: ...O ms Period 16 683 13 735 13 333 16 579 13 853 13 333 P ms Pulse Width 0 064 0 079 0 080 0 106 0 125 0 064 Q ms Back Porch 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 0 318 0 237 0 027 0 026 0 770 0 021 Display Format VESA VESA VESA VESA VESA VESA Horizontal Dots 1024 1024 1024 1152 1280 1280 Vertical lines 768 768 768 864 10...

Page 18: ...Support Mode Fig 1 Timing Chart 3 2 2 Digital Video Video V Sync P Q R S DVI Support mode 640 480 60Hz 800 600 60Hz 1024 768 60Hz 1280 1024 70Hz 1280 1024 72Hz 1280 960 60Hz 70Hz 72Hz 75Hz 1208 720 60Hz 1152 864 60Hz 70Hz 72Hz 1024 768 72Hz 800 600 70Hz ...

Page 19: ...Hub power the green light will turn on 1 60W adaptor power on and plug in the USB 2 0 Hub 2 Plug in the USB cable between host computer and USB 2 0 Hub 3 Turn on PC power then PC start boot up and into Windows Platform properly 3 5 1 Input power 12V Self power mode only 3 5 2 Down stream port output power 5V 5 4 75V 5 25V 3 5 3 Overcurrent detection 0 6 to 1 25A 0 9A typ The USB standard defines t...

Page 20: ...n paragraph 3 7 ESC Signal source See Table 2 PV722 OSD Control Map 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 Press Esc directly to disable speakers while speaker in normal state 3 7 4 4 Mute Off 3 7 4 5 In monitor power saving mode Press Esc directly to enable speakers while speaker in audio mute state Esc key is for ...

Page 21: ...djustment Scale Flesh Tone Adjustment Scale Y Brightness Adjustment Scale Y Contrast Adjustment Scale Color Moive Reset Clock Adjustment Scale Phase Adjustment Scale Image Smooth On Off H Position Adjustment Scale V Position Adjustment Scale Image Position Center Adjustment Scale H Position Adjustment Scale V Position Adjustment Scale Position OSD Position Center Adjustment Scale English select Ge...

Page 22: ...ter Adjustment Scale English select German select French select Spanish select Italiano select Language 中文 option Reset Yes No Main Menu Source DVI VGA select 3 7 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 No Signal Input and power down When the signal cable is no...

Page 23: ...amber LED is located on the front bezel to indicate the power management states Sync Power consumption Power management Picture Recovery time LED Color On 57W max LKC17SS2CC03 ON Green Off 4W Note 1 Off 3 sec Amber Once Esc or or key initiates under power saving condition the audio function can be woken up and the power consumption can not be the above definition Note1 USB Hub under power saving m...

Page 24: ...C C CT T TX X X Service Manual PV722i PV722E 23 7 TROUBLE SHOOTING VIDEO DOES NOT APPEAR ...

Page 25: ...Service Manual C C CT T TX X X PV722i PV722E 24 R G B is not displayed correctly ...

Page 26: ...C C CT T TX X X Service Manual PV722i PV722E 25 8 SYSTEM BLOCK DIAGRAM ...

Page 27: ...Service Manual C C CT T TX X X PV722i PV722E 26 9 INVERTER BOARD I O CONNECTIONS ...

Page 28: ...C C CT T TX X X Service Manual PV722i PV722E 27 10 IC Pin Configuration ...

Page 29: ...Service Manual C C CT T TX X X PV722i PV722E 28 ...

Page 30: ...C C CT T TX X X Service Manual PV722i PV722E 29 ...

Page 31: ...Service Manual C C CT T TX X X PV722i PV722E 30 ...

Page 32: ...72 2 52 4 43 3 33 3 33 5 07 5 07 1280 1024 80K 75Hz 0 0 0 0 4 87 4 71 0 4 78 1024 768 56K 70Hz 0 0 0 0 4 87 4 73 0 4 79 1280 1024 80K 75Hz 0 0 0 0 5 07 5 07 0 5 07 1024 768 56K 70Hz 0 0 0 0 5 07 5 07 0 5 07 1280 1024 80K 75Hz 10 63 3 04 3 31 0 0 73 0 72 10 96 11 79 1024 768 56K 70Hz 10 63 3 04 3 31 0 0 73 0 71 10 63 11 80 IC U1 AT24C02 PIN MODE 1 2 3 4 5 6 7 8 IC U6 FDS6912A PIN MODE 1 2 3 4 5 6 7...

Page 33: ...K 75Hz 4 01 5 07 1 60 5 07 5 07 0 26 3 33 2 49 2 86 0 80 1024 768 56K 70Hz 4 01 5 07 1 60 5 07 5 07 0 76 3 33 2 50 2 86 0 78 1280 1024 80K 75Hz 0 92 0 88 1 08 5 07 4 44 0 2 51 1024 768 56K 70Hz 0 89 0 96 1 22 5 07 4 42 0 2 51 1280 1024 80K 75Hz 3 33 2 42 2 42 1 27 0 1 20 1 34 2 42 3 33 2 42 1024 768 56K 70Hz 3 34 2 59 2 59 1 36 0 1 67 1 18 2 59 3 33 2 59 IC U14 W78E65 PIN MODE 1 2 3 4 5 6 7 8 9 10...

Page 34: ... 1024 768 56K 70Hz 1 55 3 33 0 3 33 0 0 1 31 1 21 1 28 1 23 1280 1024 80K 75Hz 1 21 1 29 0 3 33 1 23 1 27 1 21 1 28 0 2 42 1024 768 56K 70Hz 1 21 1 29 0 3 33 1 23 1 25 1 21 1 28 0 2 59 1280 1024 80K 75Hz 1 28 2 38 0 0 04 0 2 42 1024 768 56K 70Hz 1 13 2 38 0 0 04 0 2 59 IC U16 THC63LVDM83A PIN MODE 11 12 13 14 15 16 17 18 19 20 IC U16 THC63LVDM83A PIN MODE 21 22 23 24 25 26 27 28 29 30 IC U16 THC63...

Page 35: ...K 70Hz 0 2 49 0 35 2 59 0 3 33 0 22 0 22 0 2 59 1280 1024 80K 75Hz 1 54 3 33 0 3 33 0 0 1 31 1 21 1 28 1 22 1024 768 56K 70Hz 1 54 3 33 0 3 33 0 0 1 33 1 21 1 28 1 22 1280 1024 80K 75Hz 1 21 1 28 0 3 33 1 24 1 25 1 22 1 28 0 2 42 1024 768 56K 70Hz 1 21 1 28 0 3 33 1 24 1 23 1 22 1 28 0 2 59 IC U17 THC63VLDM83A PIN MODE 1 2 3 4 5 6 7 8 9 10 IC U17 THC63VLDM83A PIN MODE 11 12 13 14 15 16 17 18 19 20...

Page 36: ...z 0 4 82 0 17 5 07 1280 1024 80K 75Hz 0 10 71 0 0 3 33 0 5 07 5 05 4 40 1024 768 56K 70Hz 0 10 73 0 0 3 33 0 5 07 5 05 4 40 1280 1024 80K 75Hz 5 07 0 10 61 3 34 3 30 2 68 1024 768 56K 70Hz 5 07 0 10 95 3 34 3 30 2 68 INVERTER Unit Volt IC U17 THC63VLDM83A PIN MODE 51 52 53 54 55 56 IC U18 74F14D PIN MODE 1 2 3 4 5 6 7 8 9 10 IC U18 74F14D PIN MODE 11 12 13 14 TR Q1 2N3904 Q4 2N3904 Q5 MMBT3906LT1 ...

Page 37: ...7 1 61 0 72 4 34 0 11 75 4 58 1280 1024 80K 75Hz 0 62 1 62 0 57 0 57 0 06 2 49 1024 768 56K 70Hz 0 61 1 62 0 57 0 57 0 06 2 49 1280 1024 80K 75Hz 11 75 11 75 0 0 0 3 71 0 8 59 0 67 1024 768 56K 70Hz 11 75 11 75 0 0 0 3 71 0 8 65 0 68 1280 1024 80K 75Hz 0 8 5 0 64 0 8 45 0 65 0 8 65 0 68 1024 768 56K 70Hz 0 8 47 0 65 0 8 46 0 65 0 8 66 0 68 IC U2 9435A PIN MODE 1 2 3 4 5 6 7 8 IC IC1 BA9741F32 PIN ...

Page 38: ...z 4 90 11 73 4 93 5 08 11 75 5 19 4 89 0 4 93 1024 768 56K 70Hz 4 90 11 73 4 93 5 08 11 75 5 14 4 89 0 4 93 1280 1024 80K 75Hz 5 01 0 5 06 1024 768 56K 70Hz 5 01 0 5 09 TR Q7 2N3904 Q8 2N3904 Q9 MMBT3906LT1 PIN MODE E C B E C B E C B TR Q10 MMBT3906LT1 PIN MODE E C B ...

Page 39: ...SE 418 SUB ASSY BASE 9 SZADPT 030P SUB Z ASSY ADAPTER 48W For PV722i 10 SZADPT 101B SUB Z ASSY ADAPTER 60W For PV722E 11 0400739300 CARTON 553 260 580 12 0510148800 HOLDER R 13 0510149800 HOLDER L 14 0670455000 LABEL CARTON For PV722i 15 0670456000 LABEL CARTON For PV722i 16 0670349500 LABEL CARTON For PV722E 17 0670452600 LABEL CARTON For PV722E 18 05Z0001900 PLASTIC HANDLE BAR 19 05Z0002900 PLAS...

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