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Acer AL716, Руководство пользователя

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5.   POWER SUPPLY & INVERTER BOARD 

5.1

 

Description 

The Power supply and Inverter board is designed for Display control board and lighting up 
the back-lights of LCD module. 

5.2

 

Power supply ( AC to DC section) 

5.2.1

 

5.2.2

 

5.2.3

 

input Voltage Range 

The monitor shall operate within specification over the range of 90 to 265 VAC power supply. 

Input Frequency Range 

Input power frequency range shall be from 47.5 to 63 Hz over the specified input 
voltage range. 

Quick specification review 

•

 

Input current 

1.2A (max) at 90VAC input and full load ,  

0.6A (max) at 264 VAC input and  full load. 

•

 

Inrush current @ cold  start 

30A(0-peak)@ 110Vac ,50A(0-peak) @ 220Vac 

(measured when switched off for at least 10 mins.) 

•

 

Output 

 Tolerance Output 

Current 

Output Volt 

- 

MIN 

MAX 

Volt Tolerance 

+5Vdc 

±

5% 

0A 1.0A 

4.8~5.2V 

dc 

+5Vdc 

±

5% 

0.05A 1.5A 4.8~5.2V 

dc 

+12Vdc 

±

5% 

0A 2.2A 

11.4~12.6Vdc 

•

 

Total output power:            48 Watt max. 

•

 

Withstanding voltage :       1.5Kvac or 2.2KVdc for 1 minute. 

•

 

Leakage current   :              < 0.25mA/100Vac   ,   <3.5mA/230Vac 

•

 

Efficiency  :                         80% min. @115V/230VAC, maximum load. 

 

 

 

 

 

 

 

 

 

28

Содержание AL716

Страница 1: ... 4 1 Description 26 4 2 Connector and Switch Locations 26 4 3 Connector type 26 4 4 Connector pin Assignment 26 4 5 Switch definition 27 4 6 LED definition 27 5 POWER SUPPLY INVERTER BOARD 28 5 1 Description 28 5 2 Power supply AC to DC section 28 5 3 Inverter DC to AC Section 29 5 4 Electrical characteristics 29 5 5 Connector locations 30 5 6 Connector locations 32 6 TROUBLESHOOTING 34 6 1 Main P...

Страница 2: ...ANCE 42 10 1 This product comply to the most current revisions of following regulations 42 10 2 Electrostatics Discharge ESD 43 11 QUALITY AND RELIABILITY 44 11 1 Quality Assurance 44 11 2 Reliability 44 Appendix A PART LIST 45 Appendix B PCBA Assembly 53 Appendix C DISPLAY UNIT ASSEMBLY 82 2 ...

Страница 3: ...less power and gets less weight in addition MTBF target is 20k hours or more Comparison Chart of AM777 AL712 778 677 AL716 678 AL711 AM778 AM777 AL712 Panel Normal 17 panel AU M170EN05 Hydis HT17E12 200 Normal 17 panel AU M170EN05 Hydis HT17E12 200 Signal Interface DSUB DVI D DSUB DVI D Sync Type for analog input Separate compatible Separate compatible Color Temp user adjust Support Support DDC DD...

Страница 4: ...white balance Green white balance and Blue white balance control In the center unless otherwise specified Power input 110Vac or 230Vac Ambient temperature 20 5 C 68 9 F Analog input mode 1280 x1024 60 Hz 2 1 1 MEASUREMENT SYSTEMS The units of measure stated in this document are listed below 1 gamma 1 nano tesla 1 tesla 10 000 gauss cm in x 2 54 lb kg x 2 2 degrees F C x 1 8 32 degrees C F 32 1 8 u...

Страница 5: ... Mini D type standard VGA video DVI D connector 3 5 mm stereo audio jack Audio AM777 677 3 5 mm miniature stereo Headphone jack AM777 677 Audio power 1Wrms 1Wrms 300Hz 10kHz S P L 10 dB AM777 677 Front control power on off with LED select up down adjustment Interface frequency y Horizontal Frequency 24KHz 80KHz analog 31 5 80KHz digital y Vertical Frequency 56Hz 75Hz Plug play Support VESA DDC2B f...

Страница 6: ... GX 0 257 0 287 0 317 Green GY 0 568 0 598 0 628 BX 0 115 0 145 0 175 Blue BY 0 073 0 103 0 133 WX 0 270 0 300 0 330 Color Chromaticity CIE White WY φ 0 θ 0 Normal Viewing Angle 0 305 0 335 0 365 θL 80 Hori θR 80 φH 65 Viewing Angle Vert φL CR 10 65 Degrees Brightness Uniformity BUNI 1 2 Flicker F 5 Cross talk CT 2 0 2 3 2 LCD Panel Model AU M170EN05 Display Type active matrix color TFT LCD Resolu...

Страница 7: ...BM 5A Rising TR 12 20 Response Time Falling TF 4 0 5 msec 1 3 BM 7 Luminance of White Center of screen YL 200 260 cd m2 5 BM 5A Rx 0 64 Red Ry 0 34 Gx 0 29 Green Gy 0 61 Bx 0 14 Blue By 0 07 Wx 0 31 Color Chromaticity CIE 1931 White Wy Normal φ 0 θ 0 Viewing Angle TYP 0 03 0 33 TYP 0 03 1 4 PR650 θ L 70 80 Hor θ R 70 80 φ H 70 80 Viewing Angle Ver φ L CR 5 70 80 Degrees 1 4 BM 5A Brightness Unifor...

Страница 8: ...Luminance with all pixels white Gmax CR Luminance with all pixels black Gmin Note 3 Definition of Response time Sum of TR TF 8 ...

Страница 9: ...ted Measurement should be executed n a stable windless and dark room 30 min after lighting the back light This should be measured in the center of screen Dual lamp current 13 0mA 6 5mA x2 Refer to the note 1 in the page 14 for more information Environment condition Ta 25 2 C Optical characteristics measurement setup 9 ...

Страница 10: ...ition of Flicker level Flicker Voltage pp F x 100 LMD Voltage dc One maximum value of three estimated values For this test an LMD Light Measurement Device is needed with adequate response time to track any visible rate flicker component and with a voltage level output proportional To luminance intensity Test Pattern For dot inversion Driving Gray levels of foreground dots on the test panel Are G22...

Страница 11: ...mine that point proceed as follows Using the background and foreground gray levels of step1 Gbkg and Gfg Turn on each box at a time Look for the case with the worst shadowing The box causing the worst case is the shadowing source or Bsrc Use Bsrc and the box opposite from it that lies directly in the shadow path That is the target box or Btgt Note that box Eight be either Bsrc or Btgt depending on...

Страница 12: ...ES MONITOR MODE NO SCREEN RESOLUTION HORIZONTAL SYNC RATE kHz VERTICAL SYNC RATE Hz VIDEO CLK MHz STANDARD 1 640x350 31 5 70 0 25 0 VGA 2 640X400 24 83 56 4 21 05 NEC 3 640X400 31 5 70 0 25 0 VGA 4 640X400 31 5 70 1 25 19 NEC 5 640X480 31 5 60 0 25 0 Defacto 6 640X480 35 0 66 67 30 24 MAC 7 640X480 37 86 72 80 31 5 VESA 8 640X480 37 5 75 0 31 5 VESA 9 720X400 31 5 70 0 28 0 Text Defacto 10 832X624...

Страница 13: ...2 24 128 36 SVGA 56 25 625 600 2 1 22 800x600 37 879 1056 800 128 40 88 40 VESA 600 60Hz 60 317 628 600 4 1 23 800x600 48 077 1040 800 120 56 64 50 VESA 600 72Hz 72 188 666 600 6 37 23 800x600 46 875 1056 800 80 16 160 49 5 VESA 600 75Hz 75 625 600 3 1 21 1024x768 48 363 1344 1024 136 24 160 65 XGA 60 004 806 768 6 3 29 1024x768 53 964 1328 1024 176 16 112 71 664 COMPAQ XGA 66 132 816 768 4 8 36 1...

Страница 14: ...nput Connector Analog Video input Connector 15pins mini D Sub Table 2 4 5 Pin assignment for D sub connector PIN NO Separate Sync 1 RED VIDEO 2 GREEN VIDEO 3 BLUE VIDEO 4 GROUND 5 GROUND 6 RED GROUND 7 GREEN GROUND 8 BLUE GROUND 9 PC5V 5V DDC 10 CABLE DETECTION 11 GROUND 12 SDA 13 H SYNC 14 V SYNC 15 SCL 15 10 5 Color of plastic parts Blue PC99 1 6 11 D sub connector 14 ...

Страница 15: ...X2 10 TX1 18 TX0 3 Shield TX2 TX4 11 Shield TX1 TX3 19 Shield TX0 TX5 4 NC 12 NC 20 NC 5 NC 13 NC 21 NC 6 DDC Serial Clock 14 5V power 22 Shield TXC 7 DDC Serial Data 15 Ground 5V 23 TXC 8 No Connect 16 Hot plug detect 24 TXC In case the power of the PC unit is switched off and the power of the monitor is switched on no voltage may occur at pin 14 15 ...

Страница 16: ...ons 6 Adjustment Control Buttons 7 External Headphone Jack AM777 677 Note When OSD Menu is off press button 2 and 3 at the same time can activate Auto Adjustment immediately OSD Functions OSD Format Refer to following figure OSD Border Cyan color OSD Tunable Item The 16 icons that around the border Selected Item Yellow background Comment Magenta foreground Blue background page format 16 ...

Страница 17: ... or 720x400 TEXT mode select Language 5 kinds of language for description including English German French Spanish Italian Recall Recall the default value Color Temp Color temperature for standard 9300 6500 7500 or user defined User User R Red signal gain by user defined User G Green signal gain by user defined User B Blue signal gain by user defined 7500 Set CIE coordinate at 7500 K color temperat...

Страница 18: ...further signal then it shows No Signal and enter power saving mode 2 6 White Color Temperature White color temperature is 4 preset as 9300 7500 6500 and User Default value of user color should be user which is maximum setting for panel Target of color setting Color Temp Color Coordinate Tolerance Color Coordinate Tolerance x y u v 9300K 0 281 0 311 0 03 0 189 0 446 u v 0 01 7500K 0 299 0 315 0 03 ...

Страница 19: ...tal output power 48 Watt max Withstanding voltage 1 5Kvac or 2 2KVdc for 1 minute Leakage current 0 25mA 100Vac 3 5mA 230Vac Efficiency 80 min 115V 230VAC maximum load 2 7 4 2 7 5 Power Management 2 7 4 1 Meet VESA DPMS proposal The monitor must comply with the Microsoft On Now specification with a minimum of three power management states as defined by the VESA DPMS document The front panel of the...

Страница 20: ...ristics Tamb 25 Audio amplifier USE Panasonic VP 7723A Audio Analyzor Spec Item Audio Input Freq Min Typ Max Comment Input Voltage V 5 Input Current m A 500 800 Audio Voltage Gain 500m Vrms 1KHz 6 d B Volume Max load 4 Ω Frequency Response 500m Vrms 300Hz 20KHz 10dB 10d B Volume Max load 4 Ω Signal to Noise ratio 500m Vrms 1KHz 40dB Volume Max load 4 Ω Total harmonic distortion 500m Vrms 1KHz 1 ex...

Страница 21: ...r to detect display timings and control user functions Using Genesis design to generate optimum LCD timings Using E2 PROM to memorize every adjusted parameter Support up to 25 display modes from VGA to SXGA Support up to 5 display modes from VGA to SXGA by TMDS Offer full screen expansion function on non XGA mode automatic Support OSD functions Support VESA DPMS function Support DDC1 2B functions ...

Страница 22: ...3 3 BLOCK DIAGRAM System Block Diagram 3 4 Connector Locations 22 ...

Страница 23: ...SHILD Shield for TMDS channel 2 18 RXO TMDS positive differential output channel 0 4 NC do not connect 19 RX0 shield for TMDS channel 0 5 NC do not connect 20 NC do not connect 6 DDC SCL DDC2B clock 21 NC do not connect 7 DDC SDA DDC2B data 22 RXC SHILD Shield for TMDS clock 8 Analog Vs Analog V sync 23 RXC TMDS negative differential output reference clock 9 RX1 TMDS negative differential output c...

Страница 24: ...ta 15 18 21 24 GND Power Ground 5 RXE0 Positive Transmission Data of Pixel 0 EVEN data 4 RXE0 Negative Transmission Data of Pixel 0 EVEN data 32 RXO3 Positive Transmission Data of Pixel 3 ODD data 31 RXO3 Negative Transmission Data of Pixel 3 ODD data 29 RXOC Positive Sampling Clock ODD data 28 RXOC Negative Sampling Clock ODD data 30 33 34 27 GND Power Ground 26 RXO2 Positive Transmission Data of...

Страница 25: ...dio Right Output 11 R Audio Right Output Pin NO Signal Comment 1 5 V Audio Power 2 GND Audio GND 3 GND GND 4 GND GND 5 BRIGHT Brightness Adjustment 6 PS Power Saving 7 PBIAS Back Light ON OFF 8 5VB From USB power 9 10 5V From main power Pin NO Signal Comment 1 LED Y Power saving mode 2 LED G Monitor is ON 3 GND GND 4 KEY ON OFF KEY ON OFF 5 KEY UP KEY Brightness Increase 6 KEY DOWN KEY Brightness ...

Страница 26: ...R 2 JP1 SCJ 0348 C SC 9 4 4 Connector pin Assignment 4 4 1 4 4 2 J4 Pin NO Signal Comment 1 KEY LEFT Function select counter clockwise key 2 KEY RIGHT Function select counter clockwise key 3 KEY DOWN Adjust down key 4 KEY UP Adjust up key 5 KEY POWER Power ON OFF key 6 GND GND 7 LED G Power is ON 8 LED Y Power is OFF J2 Pin NO Signal Comment 1 5 VDD Volume Control 2 Volume Volume Control 3 L OUT A...

Страница 27: ...mment 1 R OUT Audio Output R 2 R OUT Audio Output R 4 5 Switch definition Location Definition S1 Power ON OFF S4 Function select by clockwise direction S5 Function select by counter clockwise direction S2 Adjust up S3 Adjust down 4 6 LED definition Location Definition D1 Green for ON mode Yellow for OFF mode yellow for Power Saving mode Dark for DC power OFF mode 27 ...

Страница 28: ...o 63 Hz over the specified input voltage range Quick specification review Input current 1 2A max at 90VAC input and full load 0 6A max at 264 VAC input and full load Inrush current cold start 30A 0 peak 110Vac 50A 0 peak 220Vac measured when switched off for at least 10 mins Output Tolerance Output Current Output Volt MIN MAX Volt Tolerance 5Vdc 5 0A 1 0A 4 8 5 2V dc 5Vdc 5 0 05A 1 5A 4 8 5 2V dc ...

Страница 29: ...0 5S OLP TIME 1S _ Open lamp protection time BRIGHTNESS RANGE 30 100 Brightness control 0 4V _ 3 3V 3 3V brightness max Brightness _ 260cd m2 _ Strike voltage at 0 C 1700 Vrms _ _ Operating life time 30 000 hrs _ _ note PWM dimming frequency 160Hz 180Hz 200Hz Note Life time hr can be defined as the time in which it continues to operate under the condition Ta 25 2 C IL 7 mArms until one of the foll...

Страница 30: ... P801 SA 4S 066 AC Inlet 3 5 5 2 Connector pin assignment 5 5 2 1 J970 J971 Pin NO Signal Comment 1 HV High voltage for lamp 2 HV High voltage for lamp 3 NC NC 3 LV Low voltage common 5 5 2 2 J803 For Display control board Interface Pin NO Signal Comment 1 5Vaudio 5Vdc for Audio ckt 2 GND Audio Ground for Audio ckt 3 4 GND Common Ground 30 ...

Страница 31: ...MP CURRENT every lamp 3mA rms 6 5mA rms 7 5mA rms Each CCFL DRIVING frquency 30KHz 70KHz EFFICIENCY 75 Vin 12V max brightness PWM dimming frequency 160Hz 180Hz 200Hz Vin ON OFF sequence 0 5S OLP TIME 1S _ Open lamp protection time BRIGHTNESS RANGE 30 100 Brightness control 0 4V _ 3 3V 3 3V brightness max Brightness _ 250cd m2 _ Strike voltage at 0 C _ _ 170Vrms Operating life time _ _ 117Vrms Oper...

Страница 32: ...nnector pin assignment 5 6 2 1 J920 J941 J980 J981 Pin NO Signal Comment 1 HV High voltage for lamp 2 LV Low voltage common 5 6 2 2 J803 For Display control board Interface Pin NO Signal Comment 1 5Vaudio 5Vdc for Audio ckt 2 GND Audio Ground for Audio ckt 3 4 GND Common Ground 5 BRITE Brightness adjustable range 0 4V min 3 3V max 6 Sleep Power saving control Active High 32 ...

Страница 33: ... Enable Backlight ON OFF control Active High ON 1 5 5 5V OFF 0 3 1 0V 8 9 10 Vcc 5Vdc supply to Interface BD always on 5 6 2 3 P62 For AM777 AM677 Pin NO Signal Comment 1 Audio RIN Audio Right Input 2 GND 3 Audio LIN Audio Left Input 33 ...

Страница 34: ...6 TROUBLESHOOTING 6 1 Main Procedure 34 ...

Страница 35: ...6 1 1 Power Circuit and Backlights Troubleshooting 35 ...

Страница 36: ...6 1 2 Performance Troubleshooting 36 ...

Страница 37: ...6 1 3 Function Troubleshooting 37 ...

Страница 38: ...ms 20 7 9 Climatic Conditions Ambient Temperature 15 C to 35 C Relative Humidity 45 to 75 Atmospheric Pressure 86 kPa to 106 kPa 7 10 Test Procedure The monitor Display set high resolution mode AC input use AC 240V Note 7 10 1 7 10 2 IEC 61000 4 4 defines that power supply I O line and control line all shall be performed the transient test but the I O line and control line is applied with only hal...

Страница 39: ...WAVESHAPE 39 ...

Страница 40: ...tween 0º to 270º versus the AC line phase angle Repetition rate at least 1 per minute Number of tests at least 5 positive and 5 negative at the selected points 8 3 The surge will be applied between lines and between lines and ground 8 4 If not otherwise specified the surge to power supply circuits shall be applied synchronized to the voltage phase at the zero crossing and the peak value of the AC ...

Страница 41: ...age or Shipment Temperature 20 C 60 C Relative Humidity 5 to 85 Altitude Sea level to 40 000ft 9 2 1 TEST PROCEDURE Put in temperature chamber under 60 C Time 24 hours Back to room temperature Time 4 hours Put in temperature chamber under 20 C Time 24 hours Back to room temperature Time 4 hours The process repeat 2 times 41 ...

Страница 42: ...aces in the office sector FCC 47 CFR Chapter 1 Subchapter A Part 15 Subpart B A digital device that is marketed for use in a residential environment not withstanding use in commercial business and industrial environments CISPR 22 Limits and methods of measurements of radio interference characteristics of information technology equipment CE LVD Directive 73 23 EEC Safety EN60950 CE EMC Directive 89...

Страница 43: ...Intervention or system reset Class B Temporary degradation or loss of function or performance which is self recoverable Class C Normal performance within the specification limits Discharge times 20 times for each discharge point time interval 1 second In the case of acceptance tests the test program and the interpretation of the test results are subject to agreement between manufacturer and user T...

Страница 44: ...ecification or the applicable purchase order the supplier shall be responsible for maintaining a statistical process program or performing inspections that are sufficient to assure that the parts supplied meet the requirements specified herein 11 2 Reliability The product shall have a designed MTBF of greater than 20 000 hours during its useful life ...

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