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Acer AL1951, Руководство по обслуживанию

Acer AL1951 - монитор с разрешением 1280x1024 и диагональю 19 дюймов. Для настройки и ремонта, скачайте бесплатное Руководство по обслуживанию с manualshive.com. Объясняет как пользоваться и устранять неисправности. Руководство доступно для загрузки на manualshive.com.

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52

Inverter Board 

C842

N.C

R840

39K  1/16W

　

Q802

DTA144WKA

D810

BAV99

3

1

2

C808 2.2uF/25V

D804

BAV99

3

1

2

R810

N.C(110K  1/16W)

　

CN805

CONN

1

2

R811

430  1/10W

　

R831

100  1/10W

　

C838

NC

R829

NC

FB1

R822

N.C (33K  1/16W)

　

R806

6.2M  1/2W

　

Q806

SP8M3

1

2

3

4

5

6

7

8

S1N

G1N

S2P

G2P D2P

D2P

D1N

D1N

C811

0.1uF/25V

R802

10K

 1/

10W

　

C813

1uF/25V

T802

80LL17T-16-LC

6

7

1

10

OPT2

C819

NC

C814

0.1uF/25V

R812

47K

 1/

16W

　

C802

1uF/25V

CN803

CONN

1

2

C829 2.2uF/25V

R808

10K

 1/

16W

　

R830

1M  1/16W

　

C824

0.1uF/25V

C805

22pF/3KV

R816

NC

OPT2

C836

1uF/25V

R826

1K  1/16W

　

C833

5.6pF/3KV

R805

10K

 1/

16W

　

C815

0.1uF/25V

R817

56K  1/16W

　

C835

1uF/25V

C823

0.1uF/25V

OVP

C828

NC

D808

BAV99

3

1

2

R832

5.6K  1/16W

　

Q812

RK7002

FB1

T801

80LL17T-16-LC

6

7

1

10

C847

0.047uF

R813

10  1/8W

　

C818 0.47uF/25V

Q803

PMBS3904

R835

1M  1/16W

　

Q801

SP8M3

1

2

3

4

5

6

7

8

S1N

G1N

S2P

G2P D2P

D2P

D1N

D1N

C830

22pF/3KV

+

C848

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25V

ZD802

RLZTE-

11 5.

6B

1

2

ZD803

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11 5.

6B

1

2

R834

1M

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C826

0.01uF

R841

發

　

0

　

 1/16W)

C831

5.6pF/3KV

R819

100  1/10W

　

R836

680  1/10W

　

OVP

OPT1

C839

0.

0047uF

C812

1uF/25V

FB2

IC_DIM

C825 2.2uF/25V

IC_DIM

Q804

DTC144WKA

R803

100  1/8W

　

OPT3

OPT3

C806

5.6pF/3KV

Q805

SP8M3

1

2

3

4

5

6

7

8

S1N

G1N

S2P

G2P D2P

D2P

D1N

D1N

R823

43K  1/16W

　

C803

1uF/25V

D806

LL4148

R821

390K  1/16W

　

R814

NC

INPC1742SEA2

R833

NC

ZD801

RLZTE-

11 5.

6B

1

2

C807 2.2uF/25V

<Doc>

<RevCode>

<Title>

Custom

1

1

Wednesday, February 02, 2005

Title

Size

Document Number

Rev

Date:

Sheet

of

OPT4

D811

BAV99

3

1

2

C809

22pF/3KV

C834

1uF/25V

R815

5.6K  1/16W

　

C827 2.2uF/25V

C817

1uF/25V

C837

0.1uF/25V

D801

BAV99

3

1

2

R827

6.2M  1/2W

　

R824

1M  1/16W

　

R809

220K  1/16W

　

R820

680  1/10W

　

C846

0.047uF

C820

0.0047uF

R807

N.C(0  1/16W)

　

Q807

SP8M3

1

2

3

4

5

6

7

8

S1N

G1N

S2P

G2P D2P

D2P

D1N

D1N

FB2

VDD

Q811

RK7002

C822

0.0047uF(309HZ)

C810

5.6pF/3KV

OPT1

R837

430  1/10W

　

F801

4A/24V

DIM=0~3.3V iout=3.5~7.5mA

C804 2.2uF/25V

D802

BAV99

3

1

2

R842

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62K

　

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C844

0.

1uF/

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OPT4

CN801

33L8009-6N-H

1

2

3

4

5

6

VIN

VIN

ON/OFF

DIM

GND

GND

C841

0.

1uF/

25V

OVP

R825
1K  1/16W

　

VDD

R818

9.1K  1/16W

　

C801

1uF/25V

R838

1M

 1/

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CN802

CONN

1

2

Q810

RK7002

D803

BAV99

3

1

2

R839

1M

 1/

16W

　

+

C845

220uF/

16V

C816

220pF

Q809

RK7002

R828 N.C

R804

10K

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U801

OZ1060G

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

CTIMR

OVP

ENA

SST

VDDA

GNDA

REF

RT1

FB

CMP

NDR_D

PDR_C

LPWM

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D805

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3

1

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CN804

CONN

1

2

R801

1K  1/16W

　

C821

1uF/25V

C843

0.1uF/25V

 

Содержание AL1951

Страница 1: ...Acer AL1951 Service Guide ...

Страница 2: ...2 Service Guide Version and Revision No Version Release Date Revision 1 1 0 Mar 12 2005 Original release ...

Страница 3: ...pecifically disclaims any warranties of merchantability or fitness for any particular purpose Any Acer Incorporated software described in this manual is sold or licensed as is Should the programs prove defective following their purchase the buyer and not Acer Incorporated its distributor or its dealer assumes the entire cost of all necessary servicing repair and any incidental or consequential dam...

Страница 4: ...o the BASIC CONFIGURATION decided for Acer s global product offering To better fit local market requirements and enhance product competitiveness your regional office MAY have decided to extend the functionality of a machine e g add on card modem or extra memory capability These LOCALIZED FEATURES will NOT be covered in this generic service guide In such cases please contact your regional offices o...

Страница 5: ...eiving antenna 2 Increase the separation between the equipment and receiver 3 Connect the equipment into an outlet on a circuit different from that to which the receiver is connected 4 Consult the dealer or an experienced radio TV technician for help Notice 1 The changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the e...

Страница 6: ...company The monitor is equipped with a three pronged grounded plug a plug with a third grounding pin This plug will fit only into a grounded power outlet as a safety feature If your outlet does not accommodate the three wire plug have an electrician install the correct outlet or use an adapter to ground the appliance safely Do not defeat the safety purpose of the grounded plug Unplug the unit duri...

Страница 7: ...ay find slightly uneven brightness on the screen depending on the desktop pattern you use The LCD screen has effective pixels of 99 99 or more It may include blemishes of 0 01 or less such as a missing pixel or a pixel lit all of the time Due to the nature of the LCD screen an afterimage of the previous screen may remain after switching the image when the same image is displayed for hours In this ...

Страница 8: ...t 16 Main Board Layout 17 Front Bezel 19 Rear Bezel 21 Adjusting the picture 22 LOGO 26 Chapter 2 Machine Disassembly 27 Chapter 3 Troubleshooting 32 Chapter 4 Connector Information 38 Chapter 5 FRU Field Replacement Unit List 39 Exploded Diagram 40 Chapter 6 Schematic Diagram 44 Top 44 Power 45 Input 46 Scaler 47 Panel interface 48 Mpu 49 50 Adapter Board 51 Inverter Board 52 Table Of Contents ...

Страница 9: ...CD monitor is designed with the latest LCD technology to provide a performance oriented product with no radiation This will alleviate the growing health concerns It is also a space saving design allowing more desktop space and comparing to the traditional CRT monitor it consumes less power and gets less weight in addition MTBF target is 50k hours or more Chart of AL1951 Panel 19 SEC LTM190EX L01 D...

Страница 10: ...o Factory preset value cut off raster User contrast control T Set to factory preset value which allows that the brightest two of 32 linear distributed gray scales 0 700mv can be distinguished User red white balance Green white balance and Blue white balance control In the center unless otherwise specified Power input 230V 5 Ambient temperature 20 5 Analog input mode 1280x1024 60 Hz all white Measu...

Страница 11: ... MHz Contrast ratio 700 1 Brightness 300 cd m2 Response time Tr Tf 8ms Tr 2ms Tf 6ms Display color 16 7M RGB 8 bit Data Viewing angle H 150 V 135 typ Pc interface RGB Analog Interface Digital interface Signal connector D Sub 15pin DVI D 24pin Interface frequency Horizontal Frequency 30KHz 83KHz Vertical Frequency 55Hz 75Hz Plug play VESA DDC2B VESA DPMS Power Input voltage 50 3Hz 60 3Hz 100 VAC to...

Страница 12: ...T LCD Resolution 1280x1024 pixels Display Dot 1280x RGB x 1024 Display Area 376 32mm H x 301 056mm V Pixel Pitch 0 294mm H x 0 294mm V Display Color 16 7M true Lamp Frequency 80kHz Max Lamp Current 8 0 mArms Max Weight 2250g Max Optical Specifications IL 6 5mArms Ta 25 2 C VDD 5V FV 60Hz FDCLK 54MHz ...

Страница 13: ...0 600 0 630 BX 0 120 0 150 0 180 Blue BY 0 030 0 060 0 090 WX 0 283 0 313 0 343 Color Chromaticity CIE 1931 White WY 0 299 0 329 0 359 Ru 0 452 Red Rv 0 522 Gu 0 125 Green Gv 0 563 Bu 0 175 Blue Bv 0 158 Wu 0 198 Color Chromaticity CIE 1976 White Wv 0 468 Color Gray scale linearity White u v θ 0 φ 0 Normal Viewing Angle 0 018 θL 65 75 Hori θR 65 75 φH 65 75 Viewing Angle Ver φL CR 10 50 60 Degrees...

Страница 14: ...P 49 500 1024x768 60Hz 1344x806 48 363 N 60 004 N 65 000 1024x768 70Hz 1328x806 56 476 N 70 069 N 75 000 XGA 1024x768 75Hz 1312x800 60 023 P 75 029 P 78 750 1152x864 75Hz 1600X900 67 5khz P 75 P 108 000 1280x1024 60H z 1688x1066 63 981 P 60 020 P 108 000 SXGA 1280x1024 75H z 1688x1066 79 976 P 75 025 P 135 000 IBM MODES Horizontal Vertical DOS 720x400 70Hz 900 x 449 31 469 N 70 087 P 28 322 DOS 64...

Страница 15: ...ghtness control logic and DDC The Inverter board will drive the backlight of panel The adapter will provide the 12V DC power to inverter power board and main board Video signal DDC Inverter board Flat Panel and CCFL backlight Main Board Include Audio board keyboard RS232 Connector For white balance adjustment in factory mode HOST Computer CCFL Drive AC IN 100V 240V Adapter ...

Страница 16: ...16 Main Board Diagram LCD Interface Scaler TSU56AK PQFP 128 Include ADC OSD etc MCU OSD Control Interface Keypad DVI Connector D SUB Connector EEPROM 24C02 EEPROM 24C02 Crystal 14 318MHZ EEPROM 24C16 ...

Страница 17: ...set it to green color Scalar initializes 10 In standby mode 11 Update the lifetime of back light 12 Check the analog and digital port are there any signals coming 13 Does the scalar send out a interrupt request 14 Wake up the scalar 15 Are there any signals coming from analog or digital port 16 Display No Input Signal message And go into standby mode after the message disappear 17 Program the scal...

Страница 18: ...18 Main Board Layout ...

Страница 19: ...3 11 SI 8050SD U702 56L 563 31 AZ1117D 1 8 CN301 88L 35315F H D SUB 15PIN CN302 88L 35424F H DVID CONN 24P FEMALE CN402 33L801724A H PIN HEADER 24P 2 0mm CN601 33G3802 4H WAFER 4P RIGHT ANGLE CN602 88L 30214K PHONE JACK CN603 88L 30211K PHONE JACK CN701 88L 304 1C power jack CN702 33G3802 6H WAFER 6P RIGHT ANGLE PI U601 56L 616 1 TDA7496L BY ST X401 93L 22 53 CRYSTAL 14 318MHzHC 49U X402 93L 22 55...

Страница 20: ...20 Front Bezel ...

Страница 21: ...21 ...

Страница 22: ...22 Rear Bezel ...

Страница 23: ...23 Adjusting the Picture How to Adjust a Setting ...

Страница 24: ...24 The Description For Control Function ...

Страница 25: ...25 ...

Страница 26: ... This feature is designed to conserve electrical energy by reducing power consumption when there is no video input signal present When there is no video input signal this monitor following a time out period will automatically switch to an OFF mode This reduces the monitor s internal power supply consumption After the video input signal is restored full power is restored and the display is automati...

Страница 27: ... procedures on how to assemble the monitor for maintenance Disassembly Procedure 1 Remove two screws to release back cover Fig 1 2 Remove the base stand Fig 2 3 Remove four screws to release front bezel Fig 3 4 Remove the hinge cap Fig 4 Chapter 2 Fig 1 Fig2 ...

Страница 28: ...28 5 Remove eleven screws to release top cover and bottom cover Fig 5 6 Remove the main board Fig 6 Fig 3 Fig 4 ...

Страница 29: ...29 7 Remove six clamps to release shield and the main board Fig 7 8 Remove the main frame Fig 8 9 Remove the inverter board Fig 9 Fig 6 Fig 5 ...

Страница 30: ...30 Fig 7 Fig 8 ...

Страница 31: ...31 Fig 9 ...

Страница 32: ...he AL1951 1 No power Chapter 3 No power Press power key and look if the picture is normal Measure 12V input voltage Check the adapter section X402 oscillate waveform is normal Measure U702 PIN2 5V OK OK NG NG NG Replace U702 Replace U402 Replace X402 OK Replace U401 NG NG NG ...

Страница 33: ...normal Replace X401 Check if the sync signal from computer is output and video cable is connected normally Input the sync signal of computer or change the cable Replace U401 NG OK Key is under control X402 oscillate waveform is normal Replace U402 Replace X402 OK Replace U401 NG NG ...

Страница 34: ...cuit Replace PANEL Measure Q703 base is high level Check Q703 and Q704 are broken or CN503 solder Check Correspondent component OK OK NG NG X402 oscillate waveform is normal Replace U402 Replace X402 OK Replace U401 NG NG ...

Страница 35: ...eypad Board OK OK OSD is unstable or not working Is Keypad board connecting normally Is Button Switch normally Is Keypad board normally Connect Keypad Board Replace Button Switch Replace Keypad Board NG NG NG ...

Страница 36: ... 20 Check D801 D804 D811 D805 D810 D808 Check ON OFF signal Check U801 PIN3 voltage is normal Check adapter Check Interface board OK OK NG NG Check Q804 Q803 Q802 circuit NG OK Check U801 PIN18 triangular wave is normal Check C816 C821 Check U801 Q801 Q805 Q806 Q807 OK OK NG NG ...

Страница 37: ...n Check power supply of U601 is 12V Check connecting is ok Reconnect Mute and volume setting is ok Reset mute and volume Check input signal of U601is ok Check correspondent component Replace U601 Replace speaker OK OK OK NG NG NG NG NG ...

Страница 38: ...V Sync 7 G Ground 15 DDC Serial Clock 8 B Ground 24 Pin Color Display Signal Cable DVI PIN NO DESCRIPTION PI N NO DESCRIPTION 1 TMDS Data2 13 TMDS Data3 2 TMDS Data2 14 5V Power 3 TMDS Data 2 4 Shield 15 Ground 4 TMDS Data4 16 Hot Plug Detect 5 TMDS Data4 17 TMDS Data0 6 DDC Clock 18 TMDS Data0 7 DDC Data 19 TMDS Data 0 5 Shield 8 Analogue Vertical Sync 20 TMDS Data5 9 TMDS Data1 21 TMDS Data5 10 ...

Страница 39: ...hatever reasons a part number change is made it will not be noted in the printed Service Guide For ACER AUTHORIZED SERVICE PROVIDERS your Acer office may have a DIFFERENT part number code from those given in the FRU list of this printed Service Guide You MUST use the local FRU list provided by your regional Acer office to order FRU parts for repair and service of customer machines NOTE To scrap or...

Страница 40: ...40 Exploded Diagram Model AL1951 ...

Страница 41: ...41 Part List Item Picture Description Part No 1 Hinge cover 33G4841 QT L 33G4843 QT L 2 Bezel 34G1541AQW B 3 Back cover 34G1542 QT B 4 SHIELDING 85L6117 1 ...

Страница 42: ...42 5 MAIN FRAME 15L6191 1 6 Panel 750LLS90EX1 7 Power board INPC1942SEA1 8 Main board CBPC980KS2AY 9 Speakers 78G 322 3 L 78G 322 3 R ...

Страница 43: ......

Страница 44: ...RIN GIN SOG BIN GNDR GNDG GNDB HSYNC VSYNC R R G B B CLK CLK CSZ SCL SDA HWRESET INT Volume AdjBACKLITE PA 0 9 PB 0 9 VCC1 8 VCC3 3 VAA1 VAA2 VAA3 VAA4 AD0 AD1 AD2 AD3 G VCPU PB 0 9 B4 2 POWER onPanel_5V 3 3V onBACKLITE AdjBACKLITE VCC3 3 VCC1 8 VAA1 VAA2 VAA3 VAA4 VCC12V_AUDIO VLCD VCPU VAA2 VLCD TSU56AK SCHEMATIC B5 5 PANEL INTERFACE VLCD PB 0 9 PA 0 9 VCC12V_AUDIO PA 0 9 VCC1 8 VAA3 VAA1 B1 3 I...

Страница 45: ... 2 1 VI VO GND C720 1uF 16V VAA4 5 VCC5V 12V_IN VLCD 6 VCC5V C708 0 1uF 16V FTD10 FD Mark LP701 INDUTOR P 4 1 5 6 3 2 MH9 Screw Hole 1 VCC5V VAA2 ON_OFF VCPU C702 220uF 16V C709 47uF 16V C716 47uF 16V FB703 120 OHM D703 GS1D VCC3 3 5 VAA3 5 U703 AIC1084 33M 3 1 2 4 VIN ADJ VOUT VOUT Q701 PMBS3904 3 2 1 FTD7 FD Mark VCC1 8 5 C718 0 1uF VLCD R708 10K 1 16W VCC1 8 MH1 Screw Hole 1 C714 0 1uF 16V C705...

Страница 46: ... R313 1K 1 16W C319 0 1uF DAT_DDC C313 0 1uF C302 0 047uF R311 10K 1 16W B 5 FB301 0 1 16W D308 TZMC5V6 GS08 C315 0 1uF RXD 7 R323 100 1 16W U301 M24C02WMN6 1 2 3 4 5 6 7 8 A0 A1 A2 GND SDA SCL WP VCC CLK_DDC R 5 VCC5V D315 BAV99 3 1 2 R333 10 1 16W R318 10K 1 16W VSI C303 0 047uF GNDR 5 VCC5V HSI R324 10K 1 16W B 5 CLK 5 VCC5V D311 TZMC5V6 GS08 R302 100 1 16W C305 NC D319 BAV99 3 1 2 R327 10K 1 1...

Страница 47: ... GIN0M BIN0M HSYNC0 VSYNC0 R R G G B B CK CK REXT REFP REFM CSZ SDA SCL HWRESETZ INT PWM0 PWM1 LVACKM AVDD AVDD_MPLL AVDD_DVI BYPASS AVDD_DVI VDDP VDDP VDDP VDDP VDDP VDDP VDDP VDDC VDDC VDDC VDDC AVSS_DVI AVSS AVSS_MPLL AVSS_LPLL AVSS_PLL AVSS_DVI GNDP GNDP GNDP GNDP GNDP GNDP GNDC GNDC GNDC GNDP GNDC XIN XOUT LVA2P LVA2M LVA1P LVA1M LVA0P LVA0M NC LVB3P NC LVB3M NC LVBCKP NC LVBCKM NC LVB2P NC L...

Страница 48: ...19 21 23 LVBCKM LVBCKP RXO3 PA 0 9 LVB2M LVB3M RXE1 LVA2M PA4 RXOC RXO1 LVA1M RXO1 VLCD 3 RXOC PA7 PB4 LVA2P RXE0 LVB0M RXO2 PA5 PA0 PB8 LVA3M LVB0P PA 0 9 5 LVA0M LVACKM PA8 C447 0 1uF PB7 LVA2M LVB3P LVA0P RXE0 VLCD RXE2 PA1 PA2 RXO2 PB0 PA9 RXEC LVB3P RXO0 LVA3P LVB0M C446 0 1uF LVACKP PANEL INTERFACE D TSU56AK FOR ACER A 6 8 Wednesday January 19 2005 Title Size Document Number Rev Date Sheet o...

Страница 49: ...C440 0 001uF VCPU KEY_ONOFF SCL 5 U404 MAX810STR 1 2 3 GND RST VCC AUDIO_SD 8 DDC_WP 4 X402 20MHz AUTO C444 10K 1 16W R422 100 1 16W VCPU KEY_MENU R409 10K 1 16W onBACKLITE 3 LEFT Q403 PMBS3904 C E B VCPU R430 470 1 16W VCPU R428 10K 1 16W RIGHT R419 NC C442 0 001uF KEY_LEFT Q401 PMBS3906 3 2 1 R421 NC LED_O R426 10K 1 16W C445 0 1uF 16V RP402 10K 1 16W 1 2 3 4 8 7 6 5 D407 BAV99 3 1 2 INT 5 POWER...

Страница 50: ...4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 GND GND GND INL VAROUT_L VOLUME VAROUT_R NC INR SVR STBY MUTE GND OUTR VS VS OUTL GND GND GND OUT_R R607 220K 1 16W R605 20K 1 16W C611 100pF C608 220uF 16V C612 100pF AUDIO_SD CN601 SPEAKER CONN 1 2 3 4 R604 1K 1 16W C610 1uF C606 0 47uF 16V C604 0 47uF 16V C607 220uF 16V AUDIO_MU R603 1K 1 16W R601 18K 1 16W Volume 5 VCC12V_AUDIO VCC12V_AUDIO 3 C601 2...

Страница 51: ...51 Adapter Board ...

Страница 52: ...8W OPT3 OPT3 C806 5 6pF 3KV Q805 SP8M3 1 2 3 4 5 6 7 8 S1N G1N S2P G2P D2P D2P D1N D1N R823 43K 1 16W C803 1uF 25V D806 LL4148 R821 390K 1 16W R814 NC INPC1742SEA2 R833 NC ZD801 RLZTE 11 5 6B 1 2 C807 2 2uF 25V Doc RevCode Title Custom 1 1 Wednesday February 02 2005 Title Size Document Number Rev Date Sheet of OPT4 D811 BAV99 3 1 2 C809 22pF 3KV C834 1uF 25V R815 5 6K 1 16W C827 2 2uF 25V C817 1uF...

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