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Acer A211H, Service Manual

The Acer A211H Service Manual is now available for free download through manualshive.com. This comprehensive manual provides detailed instructions and technical information to ensure proper operation and maintenance of your Acer A211H. Get the most out of your product by accessing the manual today.

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VGA_CONn

VGA_SDA

VGA_BLUE

VGA_GREEN

VGA_RED

VGA_5V

VGA_HSYNC

VGA_VSYNC

VGA_SCL

VGA_RED-

VGA_GRN-

VGA_BLU-

DDC5V_VGA

VGA_RED

VGA_BLUE

VGA_GREEN

VGA_CONn

VGA_VSYNC

VGA_5V

VGA_HSYNC

VGA_SCL
VGA_SDA

VGA_BLUE

VGA_RED

VGA_GREEN

VGA_RED-

VGA_GRN-

VGA_BLU-

P5V

P5V

P5V

P5V

HSYNC

4

VSYNC

4

VGA_DETn

4

DDC_WPn

4

DDC_SCL_VGA 4
DDC_SDA_VGA 4

P5V

2,4

GNDB

4

SOG

4

RIN

4

GNDR

4

GIN

4

GNDG

4

BIN

4

1

2

C323

SCD1U16V2ZY-2GP

C323

SCD1U16V2ZY-2GP

1

2

R330

4K7R2J-2-GP

R330

4K7R2J-2-GP

1

2

R313

0R3J-L-GP

R313

0R3J-L-GP

1

2

C338

(NC)SC5P50V2CN-2GP

C338

(NC)SC5P50V2CN-2GP

A

K

D306

MMSZ5234BS-7-F-GP-U

D306

MMSZ5234BS-7-F-GP-U

1

2

R326
2K2R2F-GP

R326
2K2R2F-GP

1

2

R319

100R2F-4-GP

R319

100R2F-4-GP

1

2

R327
2K2R2F-GP

R327
2K2R2F-GP

1

2

C328

SC47P50V2JN-3GP

C328

SC47P50V2JN-3GP

1

2

C341

SCD047U16V2KX-1-GP

C341

SCD047U16V2KX-1-GP

1

2

R346

100R2F-4-GP

R346

100R2F-4-GP

1

2

3

D304
MMBD7000-1-GP

D304
MMBD7000-1-GP

A

K

D305
MMSZ5234BS-7-F-GP-U

D305
MMSZ5234BS-7-F-GP-U

1

2

3

D302
MMBD7000-1-GP

D302
MMBD7000-1-GP

1

2

C327

SCD1U16V2ZY-2GP

C327

SCD1U16V2ZY-2GP

1

2

C339

SCD047U16V2KX-1-GP

C339

SCD047U16V2KX-1-GP

E0

1

E1

2

E2

3

VSS

4

SDA

5

SCL

6

WC#

7

VCC

8

I303

M24C02-WMN6TP-GP-U

I303

M24C02-WMN6TP-GP-U

1

2

C319

(NC)SCD047U16V2KX-1-GP

C319

(NC)SCD047U16V2KX-1-GP

1

2

C322

SCD1U16V2ZY-2GP

C322

SCD1U16V2ZY-2GP

1

2

R347
75R2F-2-GP

R347
75R2F-2-GP

1

2

L306

SBK160808T-750Y-N-GP

L306

SBK160808T-750Y-N-GP

1

2

C337

(NC)SC5P50V2CN-2GP

C337

(NC)SC5P50V2CN-2GP

A

K

D310

MMSZ5234BS-7-F-GP-U

D310

MMSZ5234BS-7-F-GP-U

1

2

R332

47R2J-2-GP

R332

47R2J-2-GP

1

2

R317

(NC)470R2J-2-GP

R317

(NC)470R2J-2-GP

1

2

3

D308

BAT54C-GP-U

D308

BAT54C-GP-U

1

2

R323

1KR2J-1-GP

R323

1KR2J-1-GP

1

2

R325

100R2J-2-GP

R325

100R2J-2-GP

A

K

D

3

0

9

MMSZ5

23

4

BS

-7

-F-

G

P

-U

D

3

0

9

MMSZ5

23

4

BS

-7

-F-

G

P

-U

1

2

R329

4K7R2J-2-GP

R329

4K7R2J-2-GP

1

2

R331

47R2J-2-GP

R331

47R2J-2-GP

1

2

R404

(NC)1MR2J-1-GP

R404

(NC)1MR2J-1-GP

1

2

C318

SCD047U16V2KX-1-GP

C318

SCD047U16V2KX-1-GP

1

2

R324

100R2J-2-GP

R324

100R2J-2-GP

1

2

C321

SCD1U16V2ZY-2GP

C321

SCD1U16V2ZY-2GP

1

2

R321

100R2F-4-GP

R321

100R2F-4-GP

1

2

R315
75R2F-2-GP

R315
75R2F-2-GP

1

2

C329

SC47P50V2JN-3GP

C329

SC47P50V2JN-3GP

1

2

R322

0R3J-L-GP

R322

0R3J-L-GP

1

2

R316

100R2F-4-GP

R316

100R2F-4-GP

1

2

R314

100R2F-4-GP

R314

100R2F-4-GP

1

2

R328
10KR2J-3-GP

R328
10KR2J-3-GP

1

2

C326

SCD1U16V2ZY-2GP

C326

SCD1U16V2ZY-2GP

1

2

L304

SBK160808T-750Y-N-GP

L304

SBK160808T-750Y-N-GP

A

K

D307
MMSZ5234BS-7-F-GP-U

D307
MMSZ5234BS-7-F-GP-U

1

2

C340

SCD047U16V2KX-1-GP

C340

SCD047U16V2KX-1-GP

1

2

C317

(NC)SC5P50V2CN-2GP

C317

(NC)SC5P50V2CN-2GP

1

2

R320
75R2F-2-GP

R320
75R2F-2-GP

1

2

R344

100R2F-4-GP

R344

100R2F-4-GP

1

2

3

D303
MMBD7000-1-GP

D303
MMBD7000-1-GP

1

2

C316

SCD047U16V2KX-1-GP

C316

SCD047U16V2KX-1-GP

1

2

C342

SCD047U16V2KX-1-GP

C342

SCD047U16V2KX-1-GP

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

CN302

VIDEO-15-130-GP

CN302

VIDEO-15-130-GP

1

2

C324

SC22P50V2JN-4GP

C324

SC22P50V2JN-4GP

1

2

R318

0R3J-L-GP

R318

0R3J-L-GP

A

K

D311
MMSZ5234BS-7-F-GP-U

D311
MMSZ5234BS-7-F-GP-U

1

2

C325

SC22P50V2JN-4GP

C325

SC22P50V2JN-4GP

1

2

C320

SCD1U16V2ZY-2GP

C320

SCD1U16V2ZY-2GP

1

2

L305

SBK160808T-750Y-N-GP

L305

SBK160808T-750Y-N-GP

1

2

L307

SBK160808T-471Y-N-GP

L307

SBK160808T-471Y-N-GP

 

8.3.3.3  ACER_LCD_A211H/A221HQ(1A)_SCHEMATICS_INTERFACE BOARD_VGA&DDC:

　

   

L9142-1M

PCB No.

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Go to contents page

79

ACER A211H/A221HQ

Summary of Contents for A211H

Page 1: ...Model ID RG215AC CAU AN02 ACER_LCD_A211H A221HQ_SM20100512V1 ...

Page 2: ...ppendix I User s Manual 04 Assembly and Disassembly Procedures 14 06 Firmware Upgrade Procedure 58 07 Writing EDID Procedure 60 Appendix II User s QSG Appendix III Spare Parts List Appendix IV Software Pack Safety Notice Any person attempting to service this chassis must familiarize with the chassis and be aware of the necessary safety precautions to be used when serving electronic equipment conta...

Page 3: ...nt or products It is recommended that service engineers should have repairing knowledge experience as well as appropriate product training per new model before performing the service procedures NOTICE To avoid electrical shocks the products should be connect to an authorized power cord and turn off the master power switch each time before removing the AC power cord To prevent the product away from...

Page 4: ...TFT LCD display Video input signals include D sub and digital DVI D HDMI and DP DisplayPort depends on different model Power saving function complies with the VESA DPMS Display Power Management Standard General display parameters 1 Product Specification LCD Flat Panel Interface Board Flat Panel Controller DDC Power Board AC to DC Adapter DC to AC Inverter Audio AMP Option AC IN 1W 2 Speaker Option...

Page 5: ...ignal input for the VESA DDC2Bi function PIN NO SYMBOL FUNCTION 1 RXOIN0 Negative LVDS differential data input Odd Data 2 RXOIN0 Positive LVDS differential data input Odd Data 3 RXOIN1 Negative LVDS differential data input Odd Data 4 RXOIN1 Positive LVDS differential data input Odd Data 5 RXOIN2 Negative LVDS differential data input Odd Data DSPTMG 6 RXOIN2 Positive LVDS differential data input Od...

Page 6: ... by improper sync timing pulse duration absence of sync abnormal input signal amplitude or any other anomalous behavior of a graphics card 1 continued Product Specification 1 3 3 3 On Screen Display On Screen Display system shall be used to control the monitor Current setting will be saved and OSD will be tuned off when the keys are not touched for a period of time Please see OSD timeout section A...

Page 7: ... 日本語 2 EMEA select the language among English French Italian Deutsch Spanish Russian Dutch Finnish OSD Position Adjust the OSD menu position OSD Timeout The OSD menu show time Setting The setting of Input Source Wide Mode DDC CI Information It will show resolution the frequency of horizontal vertical synchronizing and S N Reset All data copy from shipment factory data OSD Language Power Saving Mod...

Page 8: ...s defined as having ended when the illumination of light has reached 50 of the initial value The backlight module shall extend a sufficient amount from the edge of the light guide that sputtering over the life of the backlight shall not cause degradation of the luminance uniformity such as non illuminated bands along the edges of the display 1 3 7 Power Supply Requirements The AC to DC power suppl...

Page 9: ...ght white Dark Spots Lines Bright Spots Lines Polarizer Scratch 1 Product Specification continued with display patterns dark and do not vary in size Physical damage to the polarizer does not damage the glass When the unit lights spots appear light white with display patterns dark and do not vary in size Physical damage to the polarizer does not damage the glass Horizontal or diagonal lines that ap...

Page 10: ... for black luminance non uniformity Tr Tf 5 msec typ Remark Optical response time vs gray scale Test condition brightness set to max and contrast set to default 1 5 4 Viewing angles The viewing angles are measured at CR 10 as below 1 5 2 Contrast ratio CR 1 5 2 1 General CR The contrast ratio is determined by using a photometer CA 210 to measure the maximum and minimum luminance in front of monito...

Page 11: ...ish Preset 9300K x 0 283 0 020 y 0 297 0 020 1 7 2 Stand 1 8 SHIPPING AND PACKING Packaging and wrapping shall be sufficient to protect the product against damage or loss during shipment from the supplier to the destination specified in the purchase order All packaging materials are subject to be tested and evaluated The container loading is 2000sets 40 The outside dimension of carton box is 570 L...

Page 12: ... operation at items page no item selected Key Function Description Power Power on off the monitor A Move the focus down B Move the focus up C Enter to the item page It has no function at the information page D Exit the OSD menu E Trigger the Acer eColor Management Key Function Description Power Power on off the monitor A Move the focus down B Move the focus up C Select function item for adjustment...

Page 13: ... button at Function menu or trigger this function in OSD menu picture page Item Description Auto Config Please Wait When user press hot key Auto will show this message and the monitor do the Auto config function Input Not Support When the Hsync Frequency Vsync Frequency or Resolution is out of the monitor support range will show this message The message will be flying Cable Not Connected When the ...

Page 14: ...3 Exploded Diagram 3 1 Product Exploded Diagram 12 Go to contents page ACER A211H A221HQ ...

Page 15: ...3 Exploded Diagram continued 3 2 Packing Exploded Diagram 13 Go to contents page ACER A211H A221HQ ...

Page 16: ...ing the DVI and D Sub connectors Use a Use a No 1 4 screw size M3x8 Torque 5 1kgfxcm No 5 screw size M3x8 Torque 5 1kgfxcm No 6 7 screw size M3x10 Torque 5 1kgfxcm Phillips head screwdriver to tighten one screw for locking the HDMI or DP connector Phillips head screwdriver to tighten two screws for locking the AC power outlet Locate the function cable and audio cable in the hooks shown as photo ke...

Page 17: ...s module till it is firmly attached to the front bezel put Put the bracket chassis module on the back of LCD panel module S9 S10 S11 S12 Take a function key board then connect the function key cable with the function key board Locate the function board in the hook of the front bezel then fix the function key cable with PVC tapes S13 function key board function key board Plug lamp cables to the con...

Page 18: ...n on the monitor for functionality check S18 S19 Turn off the monitor and remove the video cable and power cord from the monitor Stick a screen protector on the front bezel with adhesive tapes S20 1 1 2 2 3 3 4 4 Use a Phillips head screwdriver to tighten three screws for fix hinge cover with the hinge No 4 6 Screw size M4x8 Torque 6 7kgfxcm Use a Phillips head screwdriver to tighten three screws ...

Page 19: ...ories including user s manual D Sub cable audio cable DVI cable power cable and UK cable on specific positions as the photo below Seal the carton S25 Depress the release hook as indicated first before removing the base and follow the arrow direction to remove it S22 S24 S23 Depress the release button as indicated then remove the arm follow the arrow direction base arm USER S MANUAL POWER CABLE AUD...

Page 20: ...essories Open the carton with a proper tool S4 S3 S2 S1 4 2 Disassembly procedures Use a Phillips head screwdriver to remove three screws for releasing hinge No 4 6 screw size M4x9 Torque 11 13kgfxcm S6 S7 Turn over the LCD monitor to let the screen faced up Place a cloth on the panel where you are working on to protect the panel Then wedge your fingers between the front bezel and the panel for un...

Page 21: ...ssis module on a protective cushion S13 S12 Lift up the bracket chassis module for removing the front bezel and then put the bracket chassis module on a working table with protective cushion for later disassembly Tear off the PVC tape disconnect the function key cable from connector of the function key board release the function key board from the hook of the front bezel then the Put the function ...

Page 22: ...ve 4 screws for unlocking the DVI and D SUB connectors mechanisms of Use a Phillips head screwdriver to remove one screw for unlocking the HDMI or DP connector Use a Phillips head screwdriver to remove two screws for unlocking the AC power outlet No 1 4 screw size M3x8 Torque 5 1kgfxcm No 5 screw size M3x8 Torque 5 1kgfxcm No 6 7 screw size M3x10 Torque 5 1kgfxcm remove both of the speakers from t...

Page 23: ... Check if the sync signal from computer is output and if the video cable is connected normally OK Proceed checking the resolution change IC movement section NG Input the sync signal of computer or change the cable When a signal isn t being inputted it is indicated with No Signal Input it is indicated with Out Of Range at the time of the frequency that it can t be distinguished 21 Go to contents pa...

Page 24: ...ou push the MENU key Proceed Abnormal sreen dection OK NG Check the video cable for failure Check the host for output signal is all black or not 1 Change pattern of video signal output on the host 2 Reconnect the video cable 3 Change the video cable NG Check if the LCD video signal cable is connected between the Interface Board and LCD module OK Next Page NG Failure Point The LCD video signal cabl...

Page 25: ...nals OK NG NG Proceed Checking the DC DC converter circuit section NG Check the I304 pin2 if voltage is 5V Failure Point 1 FB301 is open OK Check the I305 pin2 if voltage is 1 2V OK NG Proceed Checking the DC DC converter circuit section Check the input voltage level whether was changed when pressed function keys on the P308 pin1 Check if the voltage on I308 pin 108 that is from 3 3V to 0V OK NG O...

Page 26: ... P301 pin 2 at TTL high level OK NG Failure Point 1 printed wire broke between P301 pin2 R304 and I308 pin101 2 I308 is failure Check the BKLT_ADJ signal of the input P301 pin3 from I308 pin102 is a PWM signal OK NG Failure Point Printed wire broke between P301 pin3 R501 and I308 pin102 Failure Point 1 Back light unit of LCD module is failure 2 Inverter Cable disconnect 24 Go to contents page ACER...

Page 27: ... pin25 27 30 respectively that their level is 0 0 to 0 7Vp p Failure Point In the case of the Red signal A Green and Blue signal is the same path too 1 Printed wire broke between P302 pin1 and I308 pin30 2 Video cable is failure 3 FB315 FB306 C315 is open 4 R327 is short or open NG OK Check all LVDS signals being output to P307 from I308 Failure Point Printed wire broke between I308 and P307 NG OK...

Page 28: ... 18 19 respectively that differential input voltage is 150 to 1200mV and input commond mode voltage is 3 3V Failure Point In the case of the DVI_RX0 signal A DVI_RX1 DVI_RX2 and DVI_RXC signal is the same path too 1 Printed wire broke between P303 pin 17 18 and I308 pin 12 13 2 Video cable is failure 3 R350 R355 open NG OK Check all LVDS signals being output to P307 from I308 Failure Point Printed...

Page 29: ...evel OK NG Failure Point 1 Function key wire disconnection 2 Function key wire is failure 3 Function key board is failure Check the input TTL level of I308 pin 50 51 whether is changed when pressed function keys OK NG Failure Point 1 Printed wire broke among P310 pin5 R503 and I308 pin50 2 Printed wire broke among P310 pin6 R504 and I308 pin51 Failure Point I308 is failure 27 Go to contents page A...

Page 30: ...58 OK NG Failure Point I308 is failure Check the voltage on P302 pin 9 that is power DC 5 V NG Failure Point TheVideo cable is failure Check the signal on P302 pin12 15 that is serial data clock signal OK NG Failure Point The Video cable is failure Failure Point 1 Printed wire broke among I308 pin 58 59 R320 R321 and P302 pin 12 15 2 I308 maybe failure 3 R434 R429 is open 4 D306 or D308 or C320 or...

Page 31: ...e voltage on P303 pin14 that is power DC 5 V OK NG Failure Point The Video cable is failure Check the voltage on P303 pin 7 6 that is serial data clock signal OK NG Failure Point The Video cable is failure Failure Point 1 Printed wire broke between I308 pin122 121 R344 R345 and P303 pin7 6 2 I308 maybe failure 3 R410 R414 is open 4 D320 or D321 or C339 or C342 is shorted Check the voltage on P303 ...

Page 32: ...int 1 Printed wire broke between P302 pin13 and I308 pin22 2 FB304 R405 is open 3 D307 R319 or C322 is short Failure Point Proceed Checking the resolution change IC movement section Check the vertical sync signal on P302 pin14 TTL level OK NG Failure Point Video cable is failure Check the horizontal sync signal on I308 pin21 TTL level OK NG Failure Point 1 Printed wire broke between P302 pin14 and...

Page 33: ...8 at TTL level OK NG Failure Point 1 Printed wire broke between X301 and I308 pin 127 128 2 C351 C352 is short or open 3 X301 failure Check I308 pin 125 RSTB signal is high level at normal operation OK Check I308 pin 115 116 117 SPI signal OK NG Failure Point 1 Printed wire broke between I308 pin 115 116 117 and I309 pin 2 5 6 2 I309 is failure Failure Point I308 failure Failure Point 1 Printer wi...

Page 34: ...ted wire broke between P301 pin 4 5 6 and I304 pin3 Check the 3 3V is output from I304 pin2 4 Failure Point I304 is failure or C308 short OK NG Check the 3 3V is input to I305 pin3 OK NG Failure Point Printed wire broke between I304 pin2 4 and I305 pin3 Check the 1 2V is output from I305 pin2 4 Failure Point I305 failure or C311 short OK NG Failure Point Printed wire broke between I304 pin2 4 I305...

Page 35: ...vement section NG Input the sync signal of computer or change the cable VGA or DVI When a signal isn t being input it is indicated with VIDEO INPUT It is indicated with OUT OF RANGE at the time of the frequency that it can t be distinguished Does OSD display when you push MENU button Check if the sync signal from computer is output and if the video cable is connected normally VGA or DVI 33 Go to c...

Page 36: ...th all black only 1 Change pattern of video signal output on the host 2 Reconnect the video cable 3 Change the video cable VGA or DVI NG OK Next Page NG Failure Point The LVDS cable is disconnected Is backlight light up Does computer output RGB video signals VGA or DVI Check OSD menu is display on screen when you push the MENU key Check if the LCD module signal cable is connected between the Inter...

Page 37: ...eck power board OK Failure Point I302 is failure NG Failure Point 1 Printed wire broke between I301 pin 2 and I302 pin 3 2 Both D313 and L313 are open 3 I302 is failure NG Check the 3 3V power are supplied on I301 pin 2 Check if the voltage on I301 pin 3 that is power DC at 5V Check the 1 2V power are supplied on I302 Check if the voltage on I302 pin 3 that is power DC at 3 3V from I301 Next Page ...

Page 38: ... between CN306 and I310 LVDS signals 2 I310 is failure Failure Point 1 The LVDS cable broke between CN306 and LCD panel module 2 LCD panel module is failure OK NG Check the 5V power are supplied on CN306 pin 1 2 3 to the LCD panel module Check if the Voltage on I303 pin S that is DC power at 5V Check if the MOS FET Gate level on I303 pin G that Gate level is low Check the PANEL VCC_EN signal of th...

Page 39: ...d failure OK NG Failure Point 1 Printed wire broke between CN301 pin 13 and I310 pin 114 2 R301 is open 3 I310 is failure Failure Point Back light unit of LCD module is failure Is 22V supplied to inverter PWB by the power board Check the BACKLIGHT_ADJ signal of the CN301 pin 13 from I310 pin 114 is a PWM signal 37 Go to contents page ACER A211H A221HQ ...

Page 40: ...oint 1 Printed wire broke between I310 and CN306 2 LVDS wire failure NG OK Proceed Checking the resolution change IC movement section NG OK Failure Point 1 Printed wire broke between I306 and P302 2 L306 R327 R328 are open 3 R329 R330 if is 2 2K ohm 4 D305 D306 C330 C331 are short 5 Video cable is failure Check the R G B video signal from computer input on CN302 of video connector Check the R G B ...

Page 41: ...1 Printed wire broke between I310 and CN306 2 LVDS cable failure NG OK Proceed Checking the resolution change IC movement section NG OK Failure Point In the case of the RX2 signal A RX1 0 and RXC signal is the same path too 1 Printed wire broke between CN303 pin 1 2 and I310 pin 16 17 2 DVI D cable is failure 3 R349 R350 is open Check the TMDS signals from computer input on CN303 of video connecto...

Page 42: ... button genertaed different voltage Pin 1 2 is 0 69V or 1 65V or 2 11V Check the input level whether was changed when pressed function keys on the I310 pin 52 53 Normal is 3 3V when push button genertaed 0 69V or 1 65V or 2 11V NG Failure Point 1 Printed wire broke between CN304 pin 1 I310 pin 52 2 Printed wire broke between CN304 pin 2 I310 pin 53 3 C363 or C364 is short 4 R380 or R381 is short o...

Page 43: ...o cable is failure OK NG Failure Point The VGA video cable is failure Failure Point 1 Printed wire broke between I310 pin 58 59 I304 pin 5 6 and CN302 pin 12 15 2 I310 maybe failure 3 R334 or R335 is open 4 C334 C335 R332 R333 is short Confirm the host computer supplies DDC CI mode Check the voltage on CN302 pin 9 that is DC 5 V Check the voltage on I304 pin 8 that is DC 5 V Check the signals if i...

Page 44: ... OK NG Failure Point The DVI video cable is failure Failure Point 1 Printed wire broke between I310 pin 123 124 I305 pin 5 6 and CN303 pin 7 6 2 I310 maybe failure 3 R339 or R340 is open 4 C338 C339 R337 R338 is short Confirm the host computer supplies DDC CI mode Check the voltage on CN303 pin 14 that is DC 5 V Check the voltage on I305 pin 8 that is DC 5 V Check the signals if is high level on C...

Page 45: ...ilure Point Process Checking the resolution change IC movement section Check the horizontal sync signal on CN302 pin 13 TTL level Check the horizontal sync signal on I310 pin 22 TTL level OK NG Failure Point VGA Video cable is failure OK NG Failure Point 1 Printed wire broke between CN302 pin 14 and I310 pin 21 2 R328 is open 3 R329 or C330 is short Failure Point Process Checking the resolution ch...

Page 46: ...low level it is 3 10ms high level when VCC5V is turned on 2 Printed wire broke between I310 pin 125 and C362 R376 3 R376 is short or open 4 I310 failure OK NG Failure Point 1 Printed wire broke between I310 pin 115 118 and I307 2 I311 failure Failure Point I310 failure Check 3 3V supply on I310 pin 49 84 106 62 1 Check 1 2V supply on I310 pin 60 73 120 23 Check X301 14 318MHz clock input to I310 p...

Page 47: ...e broke between I302 pin2 and L308 L310 Printed wire broke between I301 pin2 and L307 L309 L311 L307 L309 L311 L308 L310 open or C345 C346 C347 C350 C351 C352 C356 C357 C348 C349 C382 C353 C354 C355 short Check the 5V is output from CN301 pin 9 10 11 Check the 5V is input to I301 pin3 Check the 3 3V is output from I301 pin2 Check the 1 2V is output from I302 pin2 Check the 3 3V or 2 6V is input to...

Page 48: ...ge IC movement section NG Input the sync signal of computer or change the cable VGA When a signal isn t being input it is indicated with VIDEO INPUT it is indicated with OUT OF RANGE at the time of the frequency that it can t be distinguished Does OSD display when you push MENU button Check if the sync signal from computer is output and if the video cable is connected normally VGA 46 Go to content...

Page 49: ...isplay on screen when you push the MENU key Check if the LCD module signal cable is connected between the Interface Board and LCD module OK NG OK Failure Point I301 is failure NG Failure Point 1 Printed wire broke between CN301 pin9 10 11 and I301 2 Check power board OK Failure Point 1 Printed wire broke between Q302 Pin C and D301 Pin A 2 D301 or Q302 is failure NG Failure Point 1 Printed wire br...

Page 50: ...ailure Failure Point I302 is failure Failure Point 1 Printed wire broke between CN304 and I306 LVDS signals 2 I306 is failure Failure Point 1 The LVDS cable broke between CN304 and LCD panel module 2 LCD panel module is failure OK NG Check the 5V power are supplied on CN304 pin 1 2 3 4 5 to the LCD panel module Check if the Voltage on I302 pin S that is DC power at 5V Check if the MOS FET Gate lev...

Page 51: ... failure OK NG Failure Point 1 Printed wire broke between CN301 pin 13 and I306 pin 56 2 R301 is open 3 I306 is failure Failure Point Back light unit of LCD module is failure Is 22V supplied to inverter PWB by the power board Check the BACKLIGHT_ADJ signal of the CN301 pin 13 from I306 pin 56 is a PWM signal 49 Go to contents page ACER A211H A221HQ ...

Page 52: ...ed wire broke between I306 and CN304 2 LVDS wire failure NG OK Process Checking the resolution change IC movement section NG OK Failure Point 1 Printed wire broke between I306 and CN302 2 L307 R324 R325 are open 3 R326 R327 if is 2 2K ohm 4 D306 D307 C324 C325 are short 5 Video cable is failure Check the R G B video signal from computer input on CN302 of video connector Check the R G B input video...

Page 53: ... button generted different voltage Pin 1 2 is 0 69V or 1 65V or 2 11V Check the input level whether was changed when pressed function keys on the I306 pin 58 539 Normal is 3 3V when push button genertaed 0 69V or 1 65V or 2 11V NG Failure Point 1 Printed wire broke between CN305 pin 2 1306 pin 58 2 Printed wire broke between CN305 pin 1 1306 pin 59 3 C366 or C367 is short 4 R370 or R371 is short o...

Page 54: ...K NG Failure Point The VGA video cable is failure Failure Point 1 Printed wire broke between I306 pin 18 19 I303 pin 5 6 and CN302 pin 12 15 2 I306 maybe failure 3 R331 or R332 is open 4 C328 C329 D310 D311 is short Confirm the host computer supplies DDC CI mode Check the voltage on CN302 pin 9 that is DC 5 V Check the voltage on I303 pin 8 that is DC 5 V Check the signals if is high level on CN30...

Page 55: ...ilure Point Process Checking the resolution change IC movement section Check the horizontal sync signal on CN302 pin 13 TTL level Check the horizontal sync signal on I306 pin 16 TTL level OK NG Failure Point VGA Video cable is failure OK NG Failure Point 1 Printed wire broke between CN302 pin 14 and I306 pin 17 2 R325 is open 3 R326 or C324 is short Failure Point Process Checking the resolution ch...

Page 56: ...high to low level it is 3 10ms high level when VCC5V is turned on 2 Printed wire broke between I306 pin 54 and C383 R337 3 R337 C383 is short or open 4 I306 failure OK NG Failure Point 1 Printed wire broke between I306 pin 21 24 and I304 2 I304 failure Failure Point I306 failure Check 3 3V supply on I306 pin 51 6 Check 1 2V supply on I306 pin 30 53 15 Check X301 14 318MHz clock input to I306 pin 1...

Page 57: ... is short OK NG OK NG Failure Point D301 is failure or Q302 is failure or C307 is short Failure Point Printed wire broke between D301 and L310 Printed wire broke between I301 pin2 and L308 L309 L308 L309 L310 open or C304 C338 C387 C380 C332 C333 C334 C330 C331 short Check the 5V is output from CN301 pin 9 10 11 Check the 5V is input to I301 pin3 Check the 3 3V is output from I301 pin2 Check the 1...

Page 58: ...Check feedback circuit around I802 I803 and the other components and repair them It is not power board problem Turn switch on Check F801 D801 P802 and repair them Check R807 D804 I801 and repair them Check peripheral component of I801 and repair them Check Q803 R813 R814 D806 R811 R815 and repair them Check D804 R807 R811and repair them Repair them OK NG OK NG Connect it right OK NG OK NG Check C8...

Page 59: ...110 I101 and repair them Repair I101 Check R137 R118 R119 R117 R138 and repair them Repair them OK NG OK NG Check CCFL and repair them Lock P103 P104 tightly OK NG NG Check P11 of I101 is over 2 83V OK NG OK NG OK Check P103 P104 are connected right OK NG OK Check pin 1 pin 16 of I101 is triangle pulse Check pin 14 of I101 there is soft start edge up to about 1 2V Check pin 9 pin 10 of I101 there ...

Page 60: ...evice whether be detected by your PC device management or reconnect the USB cable DebugTool_V6 7 exe Connect VGA cable between monitor and kit Connect USB cable between PC and kit PC HOST MONITOR 6 2 Realtek F W Configuration S1 Launch the utility of DebugTool_V6 7 exe S2 Select Select USB and Serial Flash Note Relative firmware code can be found in the folder of software pack ISP it depend on whi...

Page 61: ...y mode and you will see the firmware version Note Please pay attention Don t change any parameter which is measured by precise machine before shipping out S4 Select the right F W code for the mode you want to update Herein we take the model of 1A1D1H and 1A1D for example select Bin as File Type first then click BigBin to choose A211H_RH_M001_0428 BIN in the folder of A211H_RH_M001_0428 or A221HQ_R...

Page 62: ...roma Please See below photo 7 2 Writing VGA DVI Process S1 Chose the folder such as P226HQ 1A1D Note It depends on which model you want to write 1A is used in the monitor only have VGA port 1A1D is used in the monitor both have VGA and DVI ports select the AcerDigedid_20100105_SN exe of to execute it herein we take P226HQ 1A1D for a example P226HQ 1A1D 7 Writing EDID Process S2 Select Model Key in...

Page 63: ... cable between monitor and DDC FIXTURE through HDMI transfer DVI connector Open the folder P226HQ 1H select Acer_HDMI_20100104 EXE to execute S2 Select Model Key in password cedid then select model which one you want to write EDID code that it depends on if the model have audio speakers if it have audio speakers select P226HQ otherwise select NO226HQ S3 S5 The process of writing EDID for HDMI is s...

Page 64: ...D 6mm C810 100P NC 1KV X7R C810 100P NC 1KV X7R L002 PBY201209T 121Y N L002 PBY201209T 121Y N R007 1K R007 1K R825 1K 0805 R825 1K 0805 J015 JUMP WIRE J015 JUMP WIRE C811 470P X7R C811 470P X7R C801 0 33U 275V C801 0 33U 275V C005 1uF C005 1uF R113 510K 0805 R113 510K 0805 2 1 3 Q806 3904 Q806 3904 C106 0 047UF X7R C106 0 047UF X7R R126 3 3K 1 0805 R126 3 3K 1 0805 R013 1K NC R013 1K NC D811 27B D...

Page 65: ... C603 NC SCD1U25V3ZY 1GP C603 NC SCD1U25V3ZY 1GP 1 2 NP1 NP2 S601 NC SW TACT 2P 2 GP S601 NC SW TACT 2P 2 GP 1 3 2 4 BLUE YELLOW D608 LED BY 9 GP BLUE YELLOW D608 LED BY 9 GP 1 2 R601 100KR3F GP R601 100KR3F GP A K D605 NC MMSZ5234BS 7 F GP U D605 NC MMSZ5234BS 7 F GP U 1 2 3 4 S602 SW TACT 173 GP S602 SW TACT 173 GP 1 2 C605 SCD1U25V3ZY 1GP C605 SCD1U25V3ZY 1GP 1 2 3 4 S604 SW TACT 173 GP S604 SW...

Page 66: ...DA_D1 LCD Panel Module X301 RX0 2 RXC DDC 24LC12B I307 Audi o Input Reserved Power Key Board HDMI HDMI Input DDC 24LC02B I306 DDC_SCL_D1 DDC_SDA_D1 TMDS RX0 2 RXC TQ2 Controller Board AUDIO PORT AUDIO PORT USB Board USB Upstream P305 P308 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13 A B C D E F G A B C D E F G Go to contents page 64 ACER A211H A221HQ 8 3 8 3 1 ACER_LCD_A211H A221HQ_...

Page 67: ... S1A SMA D346 S1A SMA 1 2 3 I301 AO3419 SM FET I301 AO3419 SM FET C312 NC 0 1uF_16V CM0402 C312 NC 0 1uF_16V CM0402 C301 0 1uF_16V CM0402 C301 0 1uF_16V CM0402 FB301 PBY201209T 170Y S BEAD0805 FB301 PBY201209T 170Y S BEAD0805 C386 0 1uF_16V CM0402 C386 0 1uF_16V CM0402 D347 NC DFLS240L Power DI123 D347 NC DFLS240L Power DI123 FB314 PBY201209T 170Y S BEAD0805 FB314 PBY201209T 170Y S BEAD0805 R402 0...

Page 68: ...D307 MMSZ5232BS SOD323 D307 MMSZ5232BS SOD323 R316 100_1 R0402 R316 100_1 R0402 FB317 SBK160808T 110Y S BEAD0603 FB317 SBK160808T 110Y S BEAD0603 C330 5pF CM0402 C330 5pF CM0402 R318 2K4_5 R0402 R318 2K4_5 R0402 R326 75_1 R0402 R326 75_1 R0402 R320 47_1 R0402 R320 47_1 R0402 R327 75_1 R0402 R327 75_1 R0402 3 1 2 D303 MMBD7000 SOT 23 D303 MMBD7000 SOT 23 R322 75_1 R0402 R322 75_1 R0402 3 1 2 D304 M...

Page 69: ... R0402 R339 12K_5 R0402 R339 12K_5 R0402 R350 10_5 R0402 R350 10_5 R0402 D321 MMSZ5232BS SOD323 D321 MMSZ5232BS SOD323 R505 100_1 R0402 R505 100_1 R0402 C341 0 1uF_16V CM0402 C341 0 1uF_16V CM0402 R342 100_1 R0402 R342 100_1 R0402 R349 10_5 R0402 R349 10_5 R0402 D349 MMSZ5232BS SOD323 D349 MMSZ5232BS SOD323 I O 1 1 GND 2 I O 2 3 I O 3 4 VCC 5 I O 4 6 D341 IP4223 CZ6 SOT23 6 D341 IP4223 CZ6 SOT23 6...

Page 70: ...232BS SOD323 R356 100_1 R0402 R356 100_1 R0402 R490 0_5 R0402 R490 0_5 R0402 D354 NC SOD523 D354 NC SOD523 D351 NC MMSZ5232BS SOD323 D351 NC MMSZ5232BS SOD323 I O 1 1 GND 2 I O 2 3 I O 3 4 VCC 5 I O 4 6 D344 IP4223 CZ6 SOT23 6 D344 IP4223 CZ6 SOT23 6 R352 4K7_5 R0402 R352 4K7_5 R0402 R469 10K_5 R0402 R469 10K_5 R0402 I O 1 1 GND 2 I O 2 3 I O 3 4 VCC 5 I O 4 6 D343 IP4223 CZ6 SOT23 6 D343 IP4223 C...

Page 71: ... GPI B1 V8_6 32 ADC_GND 38 GPI R1 V8_1 37 GPI R1 V8_2 36 GPI SOG1 V8_3 35 GPI G1 V8_4 34 GPI G1 V8_5 33 AUDIO_SOUTL V8_3 SCK GPIO 45 SPDIF3 AUDIO_REF V8_4 WS GPIO 44 A ADC0 VCLK GPIO 50 A ADC1 GPIO 51 A ADC2 GPIO 52 A ADC3 GPIO 53 A ADC4 GPIO 54 TCON 0 5 BADC0 PWM1 PWM5 GPIO 55 TCON 1 4 B ADC1 IICSCL GPIO 56 V8_7 GPIO 41 TCON 9 11 B ADC2 IICSDA GPIO 57 TCON 7 10 DDCSCL1 GPIO 58 TCON 3 5 DDCSDA1 GP...

Page 72: ...K_5 R0402 R481 10K_5 R0402 R366 4K7_5 R0402 R366 4K7_5 R0402 R368 100_1 R0402 R368 100_1 R0402 R365 10K_5 R0402 R365 10K_5 R0402 D352 MMSZ5232BS SOD323 D352 MMSZ5232BS SOD323 R500 1K_5 R0402 R500 1K_5 R0402 C368 0 1uF_16V CM0402 C368 0 1uF_16V CM0402 R369 NC 4K7_5 R0402 R369 NC 4K7_5 R0402 R371 NC 4K7_5 R0402 R371 NC 4K7_5 R0402 D356 MMSZ5232BS SOD323 D356 MMSZ5232BS SOD323 C369 0 1uF_16V CM0402 C...

Page 73: ... Regulator 5V 3 3V 5V 1 8V Scaler RTD2281 Analog Video Input AC 110 220V Input Audio Optional PM25LV020 CN306 LVDS 1311 1310 5V Vcc 1309 Dim Enable TMDS 8 3 2 ACER_LCD_A211H A221HQ_SCHEMATICS_INTERFACE BOARD_1A1D 8 3 2 1 ACER_LCD_A211H A221HQ 1A1D _SCHEMATICS_BLOCK DIAGRAM 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13 A B C D E F G A B C D E F G Go to contents page 71 ACER A211H A221...

Page 74: ...U16V2ZY 2GP C310 SCD1U16V2ZY 2GP 1 2 R307 100KR2J 1 GP R307 100KR2J 1 GP 1 2 3 4 5 6 7 8 9 10 11 12 13 CN301 JWT CON13 GP CN301 JWT CON13 GP 1 2 R305 10KR2J 3 GP R305 10KR2J 3 GP 3 1 2 Q301 MMBT3904 7 F GP Q301 MMBT3904 7 F GP 1 2 R306 100R2J 2 GP R306 100R2J 2 GP 1 2 R303 NC 100KR2J 1 GP R303 NC 100KR2J 1 GP 1 2 R390 100KR2J 1 GP R390 100KR2J 1 GP ADJ GND 1 VOUT 2 VIN 3 I301 UZ1084 G 3D3V TN3 R G...

Page 75: ...22 0R3J L GP R322 0R3J L GP 1 2 R335 47R2J 2 GP R335 47R2J 2 GP 1 2 R314 100R2F L1 GP U R314 100R2F L1 GP U 1 2 R398 NC 1MR2J 1 GP R398 NC 1MR2J 1 GP 1 2 R326 1KR2J 1 GP R326 1KR2J 1 GP 1 2 R323 100R2F L1 GP U R323 100R2F L1 GP U 1 2 R334 47R2J 2 GP R334 47R2J 2 GP 1 2 R316 100R2F L1 GP U R316 100R2F L1 GP U 1 2 C322 SCD047U16V2KX 1 GP C322 SCD047U16V2KX 1 GP 1 2 R332 4K7R2J 2 GP R332 4K7R2J 2 GP ...

Page 76: ...Y 2GP C378 SCD1U16V2ZY 2GP 1 2 C379 SCD1U16V2ZY 2GP C379 SCD1U16V2ZY 2GP 1 2 C380 SCD1U16V2ZY 2GP C380 SCD1U16V2ZY 2GP 1 2 C342 SCD1U16V2ZY 2GP C342 SCD1U16V2ZY 2GP 1 2 C344 SCD1U16V2ZY 2GP C344 SCD1U16V2ZY 2GP 1 2 3 D322 MMBD7000 1 GP D322 MMBD7000 1 GP 1 2 R349 10R2J 2 GP R349 10R2J 2 GP 1 2 R345 10R2J 2 GP R345 10R2J 2 GP 1 2 C336 SCD1U16V2ZY 2GP C336 SCD1U16V2ZY 2GP A K D312 MMSZ5234BS 7 F GP ...

Page 77: ...RED3 92 TXE1 _8B AB1P 92 ARED0 ARED2 93 TXE1 _8B AB1N 93 DENA TXE0 _8B ACLKP 94 DHS TXE0 _8B ACLKN 95 DCLK GPI 96 GPO 96 PWM0 96 AG3P 96 DVS GPI 97 GPO 97 PWM1 97 AG3N 97 GPI 98 GPO 98 PWM2 98 AG2P 98 GPI 100 GPO 100 PWM4 100 TCON12_3 AG1P 100 GPI 101 GPO 101 PWM5 101 TCON0 AG1N 101 TCON10 GPI 102 GPO 102 PWM0 102 AR3P 102 TCON8 GPI 103 GPO 103 IICSCL 103 PWM1 103 AR3N 103 TCON5 104 GPI 104 GPO 10...

Page 78: ...Y GP 1 2 3 4 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 28 29 30 31 32 5 27 CN308 JCE CON30 1 GP CN308 JCE CON30 1 GP 1 2 C371 NC SCD1U16V3ZY GP C371 NC SCD1U16V3ZY GP 1 2 R381 56KR2F GP R381 56KR2F GP 1 2 3 4 5 6 7 CN307 JWT CON7 4 GP CN307 JWT CON7 4 GP 1 2 R402 NC 0R2J 2 GP R402 NC 0R2J 2 GP 1 2 R383 100R2J 2 GP R383 100R2J 2 GP 1 2 C367 SCD1U16V3ZY GP C367 SCD1U16V3ZY GP 1 2 C3...

Page 79: ...N305 Function Key BD D SUB EEPROM M24C02 CN302 DDC_SCL DDC_SDA EEPROM M24LC16 XTAL 14 318MHz Regulator 5V 3 3V 5V 1 8V Scaler RTD2280L Analog Video Input AC 110 220V Input Audio Optional PM25LV020 CN304 LVDS 1304 1306 5V Vcc 1305 Dim Enable 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13 A B C D E F G A B C D E F G Go to contents page 77 ACER A211H A221HQ ...

Page 80: ... 2GP C311 SCD1U16V2ZY 2GP 3 1 2 Q303 MMBT3904 7 F GP Q303 MMBT3904 7 F GP 1 2 R305 10KR2J 3 GP R305 10KR2J 3 GP 1 2 3 4 5 6 7 8 9 10 11 12 13 CN301 JWT CON13 GP CN301 JWT CON13 GP 1 2 R307 100KR2J 1 GP R307 100KR2J 1 GP C B E Q302 KTC8550S GP Q302 KTC8550S GP 1 2 C308 E100U16VM 58 GP C308 E100U16VM 58 GP 1 2 R303 NC 100KR2J 1 GP R303 NC 100KR2J 1 GP 1 2 C310 SCD1U16V2ZY 2GP C310 SCD1U16V2ZY 2GP AD...

Page 81: ...08 BAT54C GP U 1 2 R323 1KR2J 1 GP R323 1KR2J 1 GP 1 2 R325 100R2J 2 GP R325 100R2J 2 GP A K D309 MMSZ5234BS 7 F GP U D309 MMSZ5234BS 7 F GP U 1 2 R329 4K7R2J 2 GP R329 4K7R2J 2 GP 1 2 R331 47R2J 2 GP R331 47R2J 2 GP 1 2 R404 NC 1MR2J 1 GP R404 NC 1MR2J 1 GP 1 2 C318 SCD047U16V2KX 1 GP C318 SCD047U16V2KX 1 GP 1 2 R324 100R2J 2 GP R324 100R2J 2 GP 1 2 C321 SCD1U16V2ZY 2GP C321 SCD1U16V2ZY 2GP 1 2 R...

Page 82: ...2 L309 PBY160808T 301Y N GP L309 PBY160808T 301Y N GP CE 1 SO 2 WP 3 GND 4 SI 5 SCK 6 HOLD 7 VCC 8 I304 PM25LV010A 100SCE GP I304 PM25LV010A 100SCE GP 1 2 R341 4K7R2J 2 GP R341 4K7R2J 2 GP 1 2 C389 SC22P50V2JN 4GP C389 SC22P50V2JN 4GP 1 2 R335 10KR2J 3 GP R335 10KR2J 3 GP 1 2 L308 PBY160808T 301Y N GP L308 PBY160808T 301Y N GP 1 2 C336 SCD1U16V2ZY 2GP C336 SCD1U16V2ZY 2GP 1 2 C380 SCD1U16V2ZY 2GP ...

Page 83: ... GP 1 2 R374 100R2J 2 GP R374 100R2J 2 GP 1 2 R371 56KR2F GP R371 56KR2F GP 1 2 R373 100R2J 2 GP R373 100R2J 2 GP 1 2 C366 SCD1U16V3KX 3GP C366 SCD1U16V3KX 3GP 1 2 R350 0R2J 2 GP R350 0R2J 2 GP 1 2 R351 0R2J 2 GP R351 0R2J 2 GP 1 2 3 4 5 6 7 CN305 JWT CON7 4 GP CN305 JWT CON7 4 GP 1 2 3 4 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 28 29 30 31 32 5 27 CN308 NC JCE CON30 1 GP CN308 N...

Page 84: ... 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13 A B C D E F G A B C D E F G TOP SICK BOTTOM SICK 8 4 ACER_LCD_A211H A221HQ_LAYOUTS_POWER BOARD 1A1D1H 1A1D 1A 1A1D1H OD PCB No L9382 SF Go to contents page 82 ACER A211H A221HQ ...

Page 85: ... 1A ACER_LCD_A211H A221HQ LAYOUTS_FUNCTION KEY BOARD TOP SICK BOTTOM SICK PCB No L0202 1 Go to contents page 83 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13 A B C D E F G A B C D E F G ACER A211H A221HQ ...

Page 86: ...1H A221HQ_LAYOUTS_ 8 6 1 ACER_LCD_A211H A221HQ_LAYOUTS_ INTERFACE BOARD INTERFACE BOARD_1A1D1H PCB No L9141 1 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13 A B C D E F G A B C D E F G Go to contents page 84 ACER A211H A221HQ ...

Page 87: ...SICK BOTTOM SICK 8 6 2 ACER_LCD_A211H A221HQ_LAYOUTS_ INTERFACE BOARD_1A1D L9137 1M 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13 A B C D E F G A B C D E F G Go to contents page 85 ACER A211H A221HQ ...

Page 88: ...42 1M TOP SICK BOTTOM SICK 8 6 3 ACER_LCD_A211H A221HQ_LAYOUTS_ INTERFACE BOARD_1A Go to contents page 86 ACER A211H A221HQ 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13 A B C D E F G A B C D E F G ...

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