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Acer B193W - Bdmh Wide-screen LCD Monitor, Руководство по обслуживанию

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41  

Schematic Diagram                                                                                                                                                                                 

Main Board 

R115

100R 1/16W 5%

DSUB_V

2

DSUB_SCL

C119

NC

DDC2_SCL

2

Prevent NC contact Discharge

=> Connect NC Pin of CN101

to GND

C121

1000pF

DDC1_SDA

2

FB104

300 OHM

U104

AZC099-04S

1

2

3

4

5

6

I/O1
GND

I/O2 I/O3

VDD

I/O4

VGA_R+

CN102

JACK

1

2

3

4

5

6
7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

26 25

DAT2-

DAT2+

2/4shield

DAT4-

DAT4+

DDC SCL

DDC SDA

VSYNC

DAT1-

DAT1+

1/3shield

DAT3-

DAT3+

+5V

SYNC GND

HPD

DAT0-

DAT0+

0/5shield

DAT5-

DAT5+

clk shield

clk+

clk-

GN

D

GN

D

R109

100R 1/16W 5%

RXCN

2

DDC2_SCL

Change VCC of U103 ~ U107 

from MVCC to ESD_VCC to 

prevent without VCC issue.

R135

10K 1/16W 5%

RX0P

C112

NC

C103

22pF

VGA_R+

RXCP

R140

NC

U102

NC / M24C02-WMN6TP

1

2
3

4

5

6

7

8

A0

A1

A2

VSS

SDA

SCL

WP

VCC

R107

2K2 1/16W 5%

R130

10R 1/16W 5%

DDC1_SCL

2

2

R101

100R 1/16W 5%

FB103

BEAD

1

2

R137

4K7 1/16W 5%

DSUB_B-

2

VGA_B-

Q101

NC

ZD104

RLZ5.6B

RX0P

2

RX1P

VGA_B+

VGA_G+

C115

0.1uF/16V

RX0N

2

VGA_B+

VGA_G-

ESD_VCC

R113

100R 1/16W 5%

C109

5pF/50V

C114
0.047uF

R134

10R 1/16W 5%

ESD_VCC

R126

10R 1/16W 5%

R139

6K8 1/16W 5%

C104

22pF

VGA_R+

VGA_B+

D108

BAT54C

3

1

2

ESD_VCC

U105

AZC099-04S

1

2

3

4

5

6

I/O1
GND

I/O2 I/O3

VDD

I/O4

FB107

300 OHM

R136

NC

CMVCC

DDC2_SDA

C105

5pF/50V

DSUB_R-

2

C111

0.047uF

RX2N

2

RX1N

2

R117

100R 1/16W 5%

候綼　

U101

C107

1000pF

ESD_VCC

DSUB_5V

候綼　

U106

MVCC

RXCN

DVI_HPD

V_Sy nc

R123

NC

U106

AZC099-04S

1

2

3

4

5

6

I/O1
GND

I/O2 I/O3

VDD

I/O4

C116

NC

R132

10R 1/16W 5%

2

RXCP

2

VCC3.3

RX2P

2

DVI_HPD

R118 100R 1/16W 5%

候綼　

U103

DSUB_H

2

D109

BAT54C

3

1

2

DDC_WP

2

R128

10R 1/16W 5%

H_Sy nc

VGA_G-

C102

0.047uF

RX1P

2

R102

0R05 1/10W 5%

ZD105
RLZ5.6B

ESD_VCC

C117

NC

DVI_5V

V_Sy nc

U103

AZC099-04S

1

2
3

4

5

6

I/O1

GND

I/O2 I/O3

VDD

I/O4

DVI_5V

RX1N

GND POWER

DDC1_SCL

DGND

R121

NC

VGA_PLUG

DDC1_SCL

R111

100R 1/16W 5%

R116

75R 1/16W 5%

R133

10K 1/16W 5%

C122

1000pF

DDC_WP

2

R124

4K7 1/16W 5%

RX0N

CN101

DB15

1

6

2

7

3

8

4

9

5

11

12

13

14

15

10

17

16

R108

75R 1/16W 5%

CMVCC

C101

NC

R104 1K 1/16W 5%

R131

10R 1/16W 5%

DDC2_SDA

2

C106

0.047uF

R125

4K7 1/16W 5%

候綼　

U107

C108

0.047uF

DVI_5V

HDCP_CTRL

2

VGA_G+

C118

NC

DSUB_5V

DSUB_5V

R105

100R 1/16W 5%

VGA_B-

R119 100R 1/16W 5%

RX2N

DSUB_SDA

D104

BAT54C

3

1

2

候綼　

U105

R110

470R 1/16W 5%

C120

NC

DDC1_SDA

U107

AZC099-04S

1

2

3

4

5

6

I/O1
GND

I/O2 I/O3

VDD

I/O4

VGA_G+

C124

0.1uF 16V

VGA_R-

DSUB_SCL

U101

NC / M24C02-WMN6TP

1

2
3

4

5

6

7

8

A0

A1

A2

VSS

SDA

SCL

WP

VCC

R114

100R 1/16W 5%

R106

2K2 1/16W 5%

DDC2_SCL

VGA_PLUG

R120 10K 1/16W 5%

DSUB_SDA

R122

NC

R103 1K 1/16W 5%

DET_CABLE

2

VGA_R-

R127

10R 1/16W 5%

R138

4K7 1/16W 5%

DSUB_SOG

2

H_Sy nc

DDC2_SDA

FB101

BEAD

1

2

C110

0.047uF

2

R129

10R 1/16W 5%

FB105

300 OHM

C113

5pF/50V

FB102

BEAD

1

2

DDC1_SDA

RX2P

DSUB_G-

2

R112

75R 1/16W 5%

Chapter 7 

http://www.wjel.net

Содержание B193W - Bdmh Wide-screen LCD Monitor

Страница 1: ...1 Acer B193W Service Guide h t t p w w w w j e l n e t ...

Страница 2: ...2 Service Guide Version and Revision Version Release Date Revision History TPV model A00 Mar 28 2008 Initial Release T97AMLD8W7ABDN T97AMLD8W7ABHN h t t p w w w w j e l n e t ...

Страница 3: ...Acer Incorporated its distributor or its dealer assumes the entire cost of all necessary servicing repair and any incidental or consequential damages resulting from any defect in the software Intel is a registered trademark of Intel Corporation Pentium and Pentium II III are trademarks of Intel Corporation Other brand and product names are trademarks and or registered trademarks of their respectiv...

Страница 4: ... residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can...

Страница 5: ...unded plug z Unplug the unit during a lightning storm or when it will not be used for long periods of time This will protect the monitor from damage due to power surges z Do not overload power strips and extension cords Overloading can result in fire or electric shock z Never push any object into the slot on the monitor cabinet It could short circuit parts causing a fire or electric shock Never sp...

Страница 6: ...art 15 Main Board Layout 17 Installation 18 Attaching Removing the base 19 Chapter 2 Operating Instructions 21 External Controls 21 Front Panel Controls 21 eColor Management OSD 22 How to Adjust a Setting 23 LOGO 26 Chapter 3 Machine Disassembly 27 Chapter 4 Troubleshooting 30 Chapter 5 Connector Information 36 Chapter 6 FRU Field Replacement Unit List 38 Exploded Diagram 38 Chapter 7 Schematic Di...

Страница 7: ...ance 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 B193W Panel TPM190A1 PW01 V001 Signal Interface D Sub 15 pin DVI 24 pin Sync Type Separate Compatible Color ...

Страница 8: ...that the brightest two of 32 linear distributed gray scales 0 700mv can be distinguished Picture position and size Factory preset value Viewing angle 90 20 H and 90 10 V AC Supply voltage 230V 5 50 3Hz Ambient temperature 20 5 Humidity 65 20 Display mode 1440x900 75Hz all white e color mode Set to User mode Measurement systems The units of measure stated in this document are listed below 1 gamma 1...

Страница 9: ...5Hz ON Mode 37W EPA ENERGY STAR OFF Mode 1W Contrast control Set to The value under user mode which allows that the brightest two of 32 linear distributed gray scales 0 700mv can be distinguished Power Source 90 V 240 V 50 3Hz 60 3Hz Environmental Considerations Operating Temp 0 to 40 C Storage Temp 30 to 65 C Operating Humidity 0 to 90 Storage Humidity 0 to 90 Peak surge current 55A peak at 240 V...

Страница 10: ...is a 19 wide TFT Liquid Crystal Display module with 2ch LVDS interface This module supports 1440 x 900 WXGA mode and can display 16 7M colors The inverter module for Backlight is not built in General Specifications h t t p w w w w j e l n e t ...

Страница 11: ...11 Function Block Diagram Electrical Characteristics h t t p w w w w j e l n e t ...

Страница 12: ...12 Optical Specifications h t t p w w w w j e l n e t ...

Страница 13: ...75Hz 1056x625 46 875 P 75 000 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 1280x960 60HZ 1800x1000 60 60 108 1280x720 60HZ 1650x750 44 955 59 94 74 176 1280x768 60HZ 1664x798 47 776 59 87 79 5 VESA 1280x768 75HZ 1696x805 60 289 74 893 102 25 ...

Страница 14: ...gic brightness control logic and DDC The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage Inverter Board include adapter Flat Panel and CCFL backlight Main Board Key board Input D SUB Signal CCFL Drive AC IN 90V 264V Input DVI Signal h t t p w w w w j e l n e t ...

Страница 15: ...d Diagram U401 Scalar IC TSUM5PFHL LF Include MCU ADC OSD D Sub Connector CN101 H sync V sync RGB LCD Interface CN301 Key Board Control CN402 Crystal X401 14 31818MHZ DVI Connector CN102 h t t p w w w w j e l n e t ...

Страница 16: ...16 Software Flow Chart N Y 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18 h t t p w w w w j e l n e t ...

Страница 17: ...en color Scalar initializes 10 In standby mode 11 Update the lifetime of back light 12 Check the analog port are there any signals coming 13 Does the scalar send out an interrupt request 14 Wake up the scalar 15 Are there any signals coming from analog port 16 Display No connection Check Signal Cable message And go into standby mode after the message disappears 17 Program the scalar to be able to ...

Страница 18: ... WAFER CN102 DVI 24PIN CONNECTOR CN701 WAFER 9P RIGHT ANELE PITCH U103 U104 U105 U106 U107 IC AZC099 04S SOT23 6L CN301 CONNECTOR U403 IC M24C04 WMN6TP SO8 CN101 D SUB 15PIN U402 SST25LF020A 33 4C SAE U401 IC TSUM5PFHL LF U701 AP1117E33LA h t t p w w w w j e l n e t ...

Страница 19: ...e monitor and computer are switched off 2 Connect one end of the 24 pin DVI cable to the back of the monitor and the other end to the computer s port 2 Connect the power cord Connect the power cord to the monitor then to a properly grounded AC outlet 3 Turn on the monitor and computer Turn on the monitor first then the computer This sequence is very important 4 If the monitor does not function pro...

Страница 20: ... the screw clockwise Remove Reverse the steps to remove the base Screen Position Adjustment In order to optimize the best viewing position you can adjust the height tilt swivel pivot of the monitor Height Adjustment After pressing the top of the monitor push the lock button towards right then you can adjust the height of the monitor h t t p w w w w j e l n e t ...

Страница 21: ...e tilt range Swivel With the built in pedestal you can swivel the monitor for the most comfortable viewing angle Monitor Pivot Adjust height to the top position before rotation the monitor Rotate clockwise until the monitor stops at 90 h t t p w w w w j e l n e t ...

Страница 22: ...ress or to navigate to the desired function press Enter to select the function Press or to change the settings of the current function 5 Menu Enter Activate the OSD menu when the OSD is off or activate deactivate the adjustment function when the OSD is on 6 Auto adjust button Exit a When the OSD menu is active this button will act as the exit key exit OSD menu b When the OSD menu is inactive press...

Страница 23: ...23 eColor Management OSD h t t p w w w w j e l n e t ...

Страница 24: ...24 How to Adjust a Setting h t t p w w w w j e l n e t ...

Страница 25: ...25 Adjusting the picture h t t p w w w w j e l n e t ...

Страница 26: ...26 h t t p w w w w j e l n e t ...

Страница 27: ...eo input signal present When there is no video input signals 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 automatically redrawn The appearance is similar to a Screen Saver feature except the display is completely off Pr...

Страница 28: ...step by step procedures on how to disassemble the monitor for maintenance Disassembly Procedure 1 Remove the HINGE ASSEMBLY as the following indicator Fig 1 Fig 1 2 Remove the back cover and bezel Fig 2 Fig 2 Chapter 3 h t t p w w w w j e l n e t ...

Страница 29: ...nectors and the screw Fig 3 4 Fig 3 Fig 4 4 Remove the screws to remove the panel Put attention to the LVDS cable Fig 5 Fig 5 5 Remove the screws to remove the main board and power board Fig 6 Fig 6 h t t p w w w w j e l n e t ...

Страница 30: ...ress power key and look if the picture is normal Please reinsert and make sure the AC of 100 240 is normal Reinsert or check the power section Check if X401 oscillate waveforms are normal Measure U701 Pin2 3 3V OK OK NG NG NG Measure CN701 Replace U401 Replace X401 NG Replace U701 OK OK h t t p w w w w j e l n e t ...

Страница 31: ...401 Replace X401 Measure U701 Pin2 3 3V Check Correspondent component Replace U401 Check X401 oscillate waveform is normal Replace U701 OK OK OK OK OK NG NG NG NG Check reset circuit of U401 is normal Check HS VS from CN101 is normal Replace X401 Check Correspondent component NG NG OK h t t p w w w w j e l n e t ...

Страница 32: ...el X401 oscillate waveform is normal Check CN301 is solder and Q301 Q302 is OK Check Correspondent component Replace PANEL Check Correspondent component Replace U401 OK OK OK Replace X401 OK NG NG NG NG Check reset circuit of U401 is normal h t t p w w w w j e l n e t ...

Страница 33: ...table or not working Is Key Pad Board connecting normally Connect Key Board Is Button Switch normally Replace Button Switch Y NG NG Is Key Pad Board normally Replace Key Board Y NG Y Check Main Board h t t p w w w w j e l n e t ...

Страница 34: ...20V Change F901 Check BD901 L901 IC901 Check the voltage of C905 Check bridge retified circuit Check start voltage for the Pin2 of IC901 Change IC901 OK Check the auxiliary voltage is smaller than 20V OK NG No power NG NG OK Check T901 D906 D907 Q903 ZD921 ZD922 IC904 IC903 Check IC901 NG OK NG h t t p w w w w j e l n e t ...

Страница 35: ...C801 pin12 12V Change Q805 Q808 or Q810 Check the pin9 10 of IC801 have PWM wave Change Q801 Q804 Q811 Q812 Replace IC801 Check the resonant wave of pin3 pin7 for T801 Check the output of T801 T802 Check Q802 Q803 Check connecter lamp OK Change T801 T802 OK OK OK OK OK NG NG NG NG NG NG OK h t t p w w w w j e l n e t ...

Страница 36: ...36 Connector Information The following figure shows the connector locations on the monitor D SUB connector Chapter 5 h t t p w w w w j e l n e t ...

Страница 37: ...37 DVI Connector h t t p w w w w j e l n e t ...

Страница 38: ... 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 to return the defective part...

Страница 39: ...39 Part List Above picture show the description of the following component Item Picture Description 1 HINGE ASSEMBLY 2 MAIN FRAME 4 Panel h t t p w w w w j e l n e t ...

Страница 40: ...40 5 Power Board 6 Main Board 7 FFC CABLE h t t p w w w w j e l n e t ...

Страница 41: ...1 C107 1000pF ESD_VCC DSUB_5V 候綼 U106 MVCC RXCN DVI_HPD V_Sy nc R123 NC U106 AZC099 04S 1 2 3 4 5 6 I O1 GND I O2 I O3 VDD I O4 C116 NC R132 10R 1 16W 5 DSUB_B 2 RXCP 2 VCC3 3 RX2P 2 DVI_HPD R118 100R 1 16W 5 候綼 U103 DSUB_H 2 D109 BAT54C 3 1 2 DDC_WP 2 R128 10R 1 16W 5 H_Sy nc VGA_G C102 0 047uF RX1P 2 R102 0R05 1 10W 5 ZD105 RLZ5 6B ESD_VCC C117 NC DVI_5V V_Sy nc U103 AZC099 04S 1 2 3 4 5 6 I O1 ...

Страница 42: ... resistor R301 from 0805 to 1206 LVBCKM RXOC D PA5 PA 0 9 2 LVB1M LVB1P PB7 PB0 Q301 AO3401 R303 10K 1 16W 5 LVACKM RXO3 LVACKP LVA0P LVA1M LVA2M PANEL_VCC PA4 RXO0 LVB2M LVB0M PB8 R301 330 OHM 1 4W R304 47K 1 16W 5 C304 NC RXE1 R305 0 OHM 5 1 8W LVA3M LVB2P CN301 CONN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 LVA2M LVA1P R302 4K7 1 16W 5 LVB3P PA9 LVACKP LVA...

Страница 43: ...IGHT 2 BKLT EN 223 D702 adj_BACKLIGHT 2 VCC1 8 C709 0 1uF 16V lock type Both 223 and 252 foot print NC FB702 300 OHM NC R701 0R05 1 4W VCC3 3 PANEL_ID D701 SM340A DGND 1 2 3 252 C704 100uF25V 3 3 OHM 2W U701 U701 AP1117E33LA 1 2 3 VSS VOUT VIN MVCC VCC3 3 DSUB_5V Q703 KN2907AS C708 0 1uF 16V R708 NC 223 Mute C705 0 1uF 16V NC R704 4K7 1 16W 5 TSUM5PFHL R709 NC BKLT VBRI R702 10K 1 16W 5 TSUMU58EHL...

Страница 44: ... PWM1 GPIO_P25 LVACKM XIN XOUT LVA2P LVA2M LVA1P LVA1M LVA0P LVA0M LVB3P LVB3M LVBCKP LVBCKM LVB2P LVB2M LVB1P LVB1M LVB0P LVB0M LVACKP LVA3M LVA3P GND GND R R G G AVDD_DVI B B CK CK GND GND GND AVDD_ADC VDDP MODE 1 MODE 0 VCTRL VDDC DDCA_SDA RS232_TX DDCA_SCL rs232_RX DDCD_SDA DDCD_SCL PWM0 GPIO_P26 AVDD_DVI VDDP GPIO_P15 PWM0 GPIO_P27 PWM1 GPIO_P12 GPIO_P00 SAR1 GPIO_P01 SAR2 GPIO_P02 SAR3 GPIO_...

Страница 45: ...5 6 7 8 GND COMP VCC RT NC CS VCC OUT C938 1500pF 1KV C939 1000uF 16V Q901 2SK2645 54MR R903 680K OHM 1 4W C925 NC R904 300K OHM 1 4W R939 NC GND1 GND 1 2 C929 0 001uF C909 470pF 25V C908 22uF 50V R901 680K OHM 1 4W 钡竲 э CN901 SOCKET 1 2 3 ON OFF C905 100uF 450V R924 150R 1 8W R942 1K 1 10W 1 D906 SP10100 1 2 3 L903 1 1uH L901 4 0mH 1 2 4 3 D901 FR103 C912 0 001uF D903 LL4148 D907 NC ZD905 NC 1 2 ...

Страница 46: ...23 0 0022uF R861 130K OHM 1 1 10W D804 BAV99 3 1 2 Q805 PDTC144WK T801 POWER X FMR 1 4 8 3 7 9 6 2 5 C838 1500pF C822 1uF 25V Q812 PMBS3906 1 2 3 Q803 AM9945N T1 PF 1 2 3 4 8 7 6 5 S G S G D D D D R804 100R 1 8W Q806 PMBS3904 C802 470uF 25V R802 NC R822 1K 1 10W 1 Q801 PMBS3904 14V IC801 TL494IDR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1IN 1IN FEEDBACK DTC CT RT GND C1 E1 E2 C2 VCC OUTPUT CTRL REF ...

Страница 47: ...1K 1 10W 5 5V_Audio ROUT C610 100pF CN604 NC CONN 1 2 3 4 change R609 R610 R611 R612 add R616 C613 100uF 25V C616 NC C607 0 47uF 16V R607 10K 1 10W 5 MUTE EAR ROUT LOUT EAR LOUT SEL BTL CN601 CONN 1 2 3 4 R603 1K 1 10W 5 Lin C606 0 47uF 16V C618 0 47uF 16V Q602 PMBS3904 C605 1uF 25V R610 8 2KOHM 5 1 10W ROUT LOUT 5V_Audio 5V_Audio C602 100uF 25V R609 8 2KOHM 5 1 10W C611 100pF SEL BTL EAR LOUT 5V ...

Страница 48: ...02 NC LED001 LED 3 4 1 2 MENU 0 V C001 NC POWER_Key LBADC2 VOL LBADC2 C003 NC MENU CONNECTOR GND VOL C004 NC AUTO R003 1K 1 16W 5 LED_BLUE LED_BLUE R002 2K OHM 1 16W add ZD001 and ZD002 for ESD solution ZD002 UDZSNP5 6B 1 2 VOL VOL LBADC1 SW001 JB41 03521 1 2 3 4 5 6 7 8 9 10 11 12 MENU VOL CN001 POWER AUTO ZD001 UDZSNP5 6B 1 2 0 V h t t p w w w w j e l n e t ...

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