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Service Manual

P922E

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4. TROUBLE SHOOYING

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Содержание P922E

Страница 1: ...P922E SERVICE MANUAL The Monitor Specialists EDITION 1 FEB 2003 ...

Страница 2: ...pe 4 2 Input requirements 5 6 3 Electrical Characteristics 6 13 4 Trouble Shooting 14 15 5 System Block Diagram 16 17 6 Inverter Board I O Connection 17 7 IC Pin Configuration 18 21 8 Pin Assignment 22 32 9 Parts List 33 Appendix 1 Main Board Circuit Diagram 2 Assembly Explosion Drawing ...

Страница 3: ...ss 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 ...

Страница 4: ...on for brightness function Esc for mute function 9 Green Amber LED indicator for power on power saving 10 Plug play support with DDC2B protocol installed 11 Power saving mode compliant with Energy Star 12 OSD on screen display MENU operation 12 1 Brightness adjustment 12 2 Contrast adjustment 12 3 Auto tune function VGA 12 4 Color selection 12 5 Image adjustment 12 6 Position adjustment VGA 12 7 L...

Страница 5: ...minimum Positive or negative polarity 2 2 3 Analog Input Connection a Detachable Mini D sub 15 pin male in two ends signal cable Normal operating mode 1 Audio function and USB 2 0 module are operating at full power 2 USB 2 0 module all ports aren t connected to any device and the audio module is operating at full power 3 USB 2 0 module all ports aren t connected to any device and the audio functio...

Страница 6: ...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 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 2 4 3 USB Output Connection Four female USB down stream port bases DVI D 1 Channel Pin Assignment Pin ...

Страница 7: ...k Pixels Note 3 3 0 Type3 Fault Pixels Sub Pixels Note 4 5 0 Type4 Cluster of type1 or type 2 0 0 Type5 Cluster of type3 faults Note5 3 0 Type6 Total Pixel Faults 5 0 Note 1 0 pixel fault 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 pattern Note 4 fault Pixel Sub Pixel The pixel or sub pixel is abnormal but not...

Страница 8: ...t 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 1024 1024 Horizontal Frequency 48 363 56 746 60 023 67 5 63 981 79 976 Vertical Frequency 60 004 70 069 75 029 75 60 013 75 025 Pixel Rate MHz 65 0 75 78 75 108 108 135 H Sync Polarity A μ S Period 20 667 17 707 16 660 14 815 15 631 1...

Страница 9: ... 3 4 Scanning characteristics VGA DVI Horizontal frequency 30KHz to 92KHz 30KHz to 66KHz Refresh rate 59Hz to 85Hz 59Hz to 61Hz 3 5 USB 2 0 Module 3 5 1 The USB 2 0 module provided for 4 down stream ports and 1 up stream port 3 5 2 The USB 2 0 module can detect the status of computer USB VBUS power to save power DVI Support mode 640 480 60Hz 800 600 60Hz 1024 768 60Hz 1280 1024 60Hz ...

Страница 10: ...he max current is 0 5A for each port 3 5 5 Bus transation High speed 480Mbps full speed 12Mbps low speed 1 5Mbps 3 6 Audio Function 3 6 1 Input Level 1Vrms 2 828Vpp typ 3 6 2 Max Output Level 7 8Vpp No distortion Input level 3 76Vpp max volume 3 6 3 Output Power 1W 2 10 THD 1KHz 3 6 4 Total Harmonic Distortion THD 0 3 0 5W 2 1KHz 3 6 5 Frequency Response 3dB 330 20KHz ...

Страница 11: ...ble USB 2 0 module also The LED color shall indicate power status as shown in paragraph 3 8 ESC Signal source See Table 2 P922E 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 Press Esc directly to enable speakers while spea...

Страница 12: ...ale Y Brightness Adjustment Scale Y Contrast Adjustment Scale Color Moive Reset Auto Tune Adjustment Scale 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 German select F...

Страница 13: ... Adjustment Scale Tint Adjustment Scale Flesh Tone Adjustment Scale Y Brightness Adjustment Scale Y Contrast Adjustment Scale Color Moive Reset Image Smooth On Off H Position Adjustment Scale V Position Adjustment Scale Position OSD Position Center Adjustment Scale English select German select French select Spanish select Italiano select Language 中文 option Reset Yes No Main Menu Source DVI VGA sel...

Страница 14: ... Input 30 sec 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 A dual color green amber LED is located on the front bezel to indicate the power management states Sync Power consumption Power management Picture Recovery t...

Страница 15: ...C C CT T TX X X Service Manual P922E 15 4 TROUBLE SHOOYING VIDEO DOES NOT APPEAR ...

Страница 16: ...C C CT T TX X X Service Manual P922E 16 R G B is not displayed correctly ...

Страница 17: ...C C CT T TX X X Service Manual P922E 17 5 SYSTEM BLOCK DIAGRAM MAIN SYSTEM ...

Страница 18: ...C C CT T TX X X Service Manual P922E 18 POWER SYSTEM 6 INVERTER BOARD I O CONNECTIONS ...

Страница 19: ...C C CT T TX X X Service Manual P922E 19 7 IC Pin Configuration ...

Страница 20: ...C C CT T TX X X Service Manual P922E 20 ...

Страница 21: ...C C CT T TX X X Service Manual P922E 21 ...

Страница 22: ...C C CT T TX X X Service Manual P922E 22 ...

Страница 23: ...C C CT T TX X X Service Manual P922E 23 8 PIN ASSIGNMENT MAIN BOARD ...

Страница 24: ...0Hz 0 0 0 0 0 05 4 86 0 5 12 1024 768 60K 75Hz 0 0 0 0 0 05 4 86 0 5 12 1280 1024 91K 85Hz 0 0 0 0 0 05 4 86 0 5 12 640 480 31K 60Hz 0 0 0 0 5 11 5 11 0 5 11 1024 768 60K 75Hz 0 0 0 0 5 11 5 11 0 5 11 1280 1024 91K 85Hz 0 0 0 0 5 11 5 11 0 5 11 640 480 31K 60Hz 3 34 0 89 0 80 0 0 0 3 34 2 11 2 13 0 1024 768 60K 75Hz 3 34 1 32 0 67 0 0 33 0 22 3 34 2 56 2 83 0 1280 1024 91K 85Hz 3 34 1 68 1 47 0 1 ...

Страница 25: ...1 53 0 02 0 3 34 1 55 0 87 1280 1024 91K 85Hz 1 68 1 67 0 3 34 1 53 0 04 0 3 34 2 14 0 80 640 480 31K 60Hz 0 0 01 2 19 3 34 0 03 2 18 0 2 17 2 19 0 1024 768 60K 75Hz 0 0 01 2 86 3 34 0 02 2 82 0 2 84 2 82 0 1280 1024 91K 85Hz 0 0 28 2 93 3 34 0 01 2 94 0 2 94 2 94 0 640 480 31K 60Hz 3 34 0 89 0 80 0 0 0 3 34 2 11 2 13 0 1024 768 60K 75Hz 3 34 1 32 0 67 0 0 33 0 22 3 34 2 56 2 83 0 1280 1024 91K 85...

Страница 26: ...1 53 0 02 0 3 34 1 55 0 87 1280 1024 91K 85Hz 1 68 1 67 0 3 34 1 53 0 04 0 3 34 2 14 0 80 640 480 31K 60Hz 0 0 01 2 19 3 34 0 03 2 18 0 2 17 2 19 0 1024 768 60K 75Hz 0 0 01 2 86 3 34 0 02 2 82 0 2 84 2 82 0 1280 1024 91K 85Hz 0 0 28 2 93 3 34 0 01 2 94 0 2 94 2 94 0 640 480 31K 60Hz 3 34 0 89 0 80 0 0 0 3 34 2 11 2 13 0 1024 768 60K 75Hz 3 34 1 32 0 67 0 0 33 0 22 3 34 2 56 2 83 0 1280 1024 91K 85...

Страница 27: ...2 0 3 34 1 55 0 87 1280 1024 91K 85Hz 1 68 1 67 0 3 34 1 53 0 04 0 3 34 2 14 0 80 640 480 31K 60Hz 0 0 01 2 19 3 34 0 03 2 18 0 2 17 2 19 0 1024 768 60K 75Hz 0 0 01 2 86 3 34 0 02 2 82 0 2 84 2 82 0 1280 1024 91K 85Hz 0 0 28 2 93 3 34 0 01 2 94 0 2 94 2 94 0 640 480 31K 60Hz 3 33 2 42 2 42 0 95 0 2 06 0 04 2 42 3 33 2 42 1024 768 60K 75Hz 3 33 2 42 2 42 1 12 0 1 45 0 01 2 42 3 33 2 42 1280 1024 91...

Страница 28: ... 3 33 0 0 1 31 1 22 1 29 1 24 1280 1024 91K 85Hz 1 57 3 34 0 3 33 0 0 1 31 1 22 1 29 1 24 640 480 31K 60Hz 1 31 1 20 0 3 33 1 21 1 30 1 25 1 27 0 2 42 1024 768 60K 75Hz 1 31 1 22 0 3 33 1 21 1 30 1 25 1 27 0 2 42 1280 1024 91K 85Hz 1 31 1 21 0 3 33 1 21 1 30 1 24 1 27 0 2 39 640 480 31K 60Hz 1 10 1 90 0 2 41 2 38 0 1024 768 60K 75Hz 1 35 0 83 0 2 41 2 41 0 1280 1024 80K 75Hz 0 88 0 15 0 2 38 2 39 ...

Страница 29: ...3 32 0 2 42 1280 1024 91K 85Hz 0 1 42 0 60 2 39 0 3 34 3 31 3 32 0 2 39 640 480 31K 60Hz 1 57 3 35 0 3 33 0 0 1 31 1 22 1 29 1 24 1024 768 60K 75Hz 1 57 3 35 0 3 33 0 0 1 31 1 22 1 29 1 24 1280 1024 91K 85Hz 1 57 3 34 0 3 33 0 0 1 31 1 22 1 29 1 24 640 480 31K 60Hz 1 31 1 20 0 3 33 1 21 1 30 1 25 1 27 0 2 42 1024 768 60K 75Hz 1 31 1 22 0 3 33 1 21 1 30 1 25 1 27 0 2 42 1280 1024 91K 85Hz 1 31 1 21...

Страница 30: ...1K 85Hz 0 5 11 4 86 5 11 5 11 5 11 5 11 0 02 0 02 2 17 640 480 31K 60Hz 2 18 0 5 11 0 05 0 11 0 11 0 11 2 77 5 11 0 11 1024 768 60K 75Hz 2 18 0 5 11 0 05 0 11 0 11 0 11 2 77 5 11 0 11 1280 1024 91K 85Hz 2 18 0 5 11 0 05 0 11 0 11 0 11 2 77 5 11 0 11 640 480 31K 60Hz 5 11 5 11 1 65 5 11 5 11 0 60 5 11 2 61 2 95 0 98 1024 768 60K 75Hz 5 11 5 11 1 65 5 11 5 11 0 60 5 11 2 61 2 95 0 92 1280 1024 91K 8...

Страница 31: ...1 1280 1024 91K 85Hz 3 52 3 89 0 0 14 3 88 5 11 640 480 31K 60Hz 1 74 0 98 1 25 1 24 1 89 1 71 9 02 0 1024 768 60K 75Hz 1 74 0 98 1 25 1 24 1 89 1 71 9 02 0 1280 1024 91K 85Hz 1 74 0 98 1 25 1 24 1 89 1 71 9 02 0 640 480 31K 60Hz 11 01 7 50 1 65 1 79 1 25 1 25 0 19 2 49 1024 768 60K 75Hz 11 01 7 50 1 65 1 79 1 25 1 25 0 19 2 49 1280 1024 91K 85Hz 11 01 7 50 1 65 1 79 1 25 1 25 0 19 2 49 IC U18 W78...

Страница 32: ... 0 0 07 0 0 0 0 0 1024 768 60K 75Hz 12 01 0 0 07 0 0 0 0 0 1280 1024 91K 85Hz 12 01 0 0 07 0 0 0 0 0 640 480 31K 60Hz 0 1 08 0 2 40 6 84 2 39 0 1 08 1024 768 60K 75Hz 0 1 08 0 2 40 6 84 2 39 0 1 08 1280 1024 91K 85Hz 0 1 08 0 2 40 6 84 2 39 0 1 08 IC U602 9435A PIN MODE 1 2 3 4 5 6 7 8 IC U603 9435A PIN MODE 1 2 3 4 5 6 7 8 IC U702 TL5001A PIN MODE 1 2 3 4 5 6 7 8 TR U801 SI8050JD U703 IRF9Z34N PI...

Страница 33: ...1 0 10 96 0 02 0 4 28 0 11 640 480 31K 60Hz 0 0 03 0 68 9 74 0 9 72 9 74 12 03 9 72 1024 768 60K 75Hz 0 0 03 0 68 9 72 0 9 70 9 72 12 03 9 70 1280 1024 91K 85Hz 0 0 03 0 68 9 71 0 9 68 9 71 12 03 9 68 640 480 31K 60Hz 0 5 03 0 03 8 64 0 8 53 8 64 12 03 8 53 1024 768 60K 75Hz 0 5 03 0 03 8 64 0 8 53 8 64 12 03 8 53 1280 1024 91K 85Hz 0 5 03 0 03 8 64 0 8 53 8 64 12 03 8 53 IC U802 TDA7035A PIN MODE...

Страница 34: ...280 1024 91K 85Hz 12 04 0 13 14 12 05 0 12 05 12 05 12 05 12 05 640 480 31K 60Hz 0 8 58 0 05 0 10 10 0 0 1 08 0 11 1024 768 60K 75Hz 0 8 58 0 05 0 10 10 0 0 1 08 0 11 1280 1024 91K 85Hz 0 8 58 0 05 0 10 10 0 0 1 08 0 11 640 480 31K 60Hz 0 2 43 0 11 1024 768 60K 75Hz 0 2 43 0 11 1280 1024 91K 85Hz 0 2 43 13 14 TR Q631 MMBT3906LT1 Q632 2N3904 Q702 2N3904 PIN MODE E C B E C B E C B TR Q703 MMBT3906LT...

Страница 35: ...1 CABINET FRONT 9 SSBASE 422 SUB ASSY BASE 10 SZADPT 102B SUB Z ASSY ADAPTER 11 0400748300 CARTON 570 278 532 12 0510154800 HOLDER R 13 0510153800 HOLDER L 14 0670474000 LABEL CARTON XC1920 D01 15 0670492000 LABEL CARTON XC1920 D10 16 0670349500 LABEL CARTON CIRCLE BLUE 17 0670469000 LABEL CARTON ISO134062 II 18 65S10 1805Z CABLE SIGNAL 15D 15D 180CM 19 65SA0 1801Z CABLE SIGNAL DVI D 18P 180CM 20 ...

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