Acer X221 Service Guide
Acer X221 Manual
 |
View all Acer X221 manuals
Add to My Manuals
Save this manual to your list of manuals |
Acer X221 manual content summary:
- Acer X221 | Service Guide - Page 1
Acer X221W Service Guide Service guide files and updates are available on the CSD web: for more information, Please refer to http://csd.acer.com.tw/ 100% Recycled Paper - 1 - - Acer X221 | Service Guide - Page 2
, manual or otherwise, without the prior written permission of Acer Incorporated. Disclaimer The information in this guide is subject to change without notice. Acer Incorporated makes no representations or warranties, either expresses or implied, with respect to the contents hereof and specifically - Acer X221 | Service Guide - Page 3
information related to the current topic. Alerts you to any damage that might result from doing or not doing specific actions. Gives precautionary measures to avoid possible hardware or software problems. Reminds you to do specific actions relevant to the accomplishment of procedures. - 3 - - Acer X221 | Service Guide - Page 4
Preface Before using this information and the product it supports, please read the following general information. 1. this Service Guide provides you with all technical information relating to the BASICCONFIGURATION decided for Acer's "global" product offering. To better fit local market requirements - Acer X221 | Service Guide - Page 5
and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, not expose the monitor to rain or moisture. Dangerously high voltages are present inside the monitor. Do not open the cabinet. Refer servicing to qualified personnel - Acer X221 | Service Guide - Page 6
or sold with the monitor. If you mount the monitor on a wall or shelf, use a mounting kit approved by the manufacture and follow the kit instructions. z Slots and . Please refer all servicing to qualified service personnel. z To ensure satisfactory operation, use the monitor only with UL listed - Acer X221 | Service Guide - Page 7
The following symptoms are normal with LCD monitor and do not indicate a problem. NOTES z Due to the nature of the fluorescent light, the screen may flicker during initial use. Turn off the Power Switch and then turn it - Acer X221 | Service Guide - Page 8
Table of contents Chapter 1 MONITOR FEATURE 9 Chapter 2 OPERATING INSTRUTION 26 Chapter 3 MACHINE ASSEMBLY 32 Chapter 4 TROBLE SHOOTING 44 Chapter 5 CONNECTOR INFORMATION 47 Chapter 6 FRU LIST 49 Chapter 7 SCHEMATIC DIAGRAM 53 Chapter 8 POWER BOARD INFORMATION 62 - 8 - - Acer X221 | Service Guide - Page 9
Chapter 1 Monitor Feature LCD Panel Input Display Color Maximum Dot Clock ® Max Resolution Plug & Play EPA ENERGY STAY Audio output Input Connector Input Video Signal Screen Size ( - Acer X221 | Service Guide - Page 10
Switch * Power Switch * MENU / EXIT * / Volume * / Volume * AUTO / ENTER External Controls : Regulatory Compliance * Contrast/brightness * Focus * Clock * H.Position * W.Position * Language * OSD Color temperature * OSD Position & Timeout * Auto Config * Input * Information * Reset * Exit cUL, - Acer X221 | Service Guide - Page 11
Timings The product has 34 memory modes in total. 26 modes are preset and 8 modes are user definable. MODE NO. RESOLUTION Dot clock(MHz) f h H-Total ( us ) H-Sync ( us ) H-B-P ( us ) H-Active ( us ) H-F-P ( us ) f v V-Total (ms ) V-Sync ( ms ) V-B-P (ms ) V-Active ( ms ) V-F-P ( ms ) SYNC. H/V - Acer X221 | Service Guide - Page 12
MODE NO. RESOLUTION Dot clock(MHz) f h H-Total ( us ) H-Sync ( us ) H-B-P ( us ) H-Active ( us ) H-F-P ( us ) f v V-Total (ms ) V-Sync ( ms ) V-B-P (ms ) V-Active ( ms ) V-F-P ( ms ) SYNC. H/V POLARITY SEP . SYNC MODE NO. RESOLUTION Dot clock(MHz) f h H-Total ( us ) H-Sync ( us ) H-B-P ( us ) H- - Acer X221 | Service Guide - Page 13
MODE NO. RESOLUTION Dot clock(MHz) f h H-Total ( us ) H-Sync ( us ) H-B-P ( us ) H-Active ( us ) H-F-P ( us ) f v V-Total (ms ) V-Sync ( ms ) V-B-P (ms ) V-Active ( ms ) V-F-P ( ms ) SYNC. H/V POLARITY SEP . SYNC MODE NO. RESOLUTION Dot clock(MHz) f h H-Total ( us ) H-Sync ( us ) H-B-P ( us ) H- - Acer X221 | Service Guide - Page 14
MODE NO. RESOLUTION Dot clock(MHz) f h H-Total ( us ) H-Sync ( us ) H-B-P ( us ) H-Active ( us ) H-F-P ( us ) f v V-Total (ms ) V-Sync ( ms ) V-B-P (ms ) V-Active ( ms ) V-F-P ( ms ) SYNC. H/V POLARITY SEP . SYNC MODE NO. RESOLUTION Dot clock(MHz) f h H-Total ( us ) H-Sync ( us ) H-B-P ( us ) H- - Acer X221 | Service Guide - Page 15
5 4 Monitor Block Diagram PC5V D C PC5V A3 PC5V 3.INPUT A2 RIN GNDR GIN GNDG BIN GNDB SOG VSYNC HSYNC R+ RG+ GB+ BCLK+ CLK- DDCA_SDA DDCA_SCL DET_VGA DDCD_SDA - Acer X221 | Service Guide - Page 16
- Acer X221 | Service Guide - Page 17
- Acer X221 | Service Guide - Page 18
- Acer X221 | Service Guide - Page 19
- Acer X221 | Service Guide - Page 20
- Acer X221 | Service Guide - Page 21
- Acer X221 | Service Guide - Page 22
- Acer X221 | Service Guide - Page 23
- Acer X221 | Service Guide - Page 24
- Acer X221 | Service Guide - Page 25
- Acer X221 | Service Guide - Page 26
OPERATING INSTRUCTIONS Chapter 2 Front Panel Definition This Section defines the front panel User Interface for Led Indictor , press to enter a selection in OSD. If OSD is ○5 AUTO inactive, press and the monitor will automatically optimize the position, focus and clock of your display. - 26 - - Acer X221 | Service Guide - Page 27
OSD Menu Picture Contrast: This adjusts dark and light shades of color relative to each other to achieve a comfortable contrast. Brightness: This adjusts the brightness of the picture on the screen. Color temp. : There are three ways of adjusting color: Warm (Reddish white) Cool (Bluish white) User - Acer X221 | Service Guide - Page 28
Option Auto Config. : System runs auto -configuration. nformation: This shows brief information on the screen. Analog Input: Setting Language: Select the OSD menu language from English, French, German, Italian, Spanish, Simplified Chinese, Traditional Chinese, Japanese and Russian. OSD H. Position - Acer X221 | Service Guide - Page 29
R,G,B GAIN: Adjust current RGB Driver value. SPREAD : Adjust chip set internal frequency spread effect for EMI testing . Factory 2 Adjustment: This page only visible in factory mode AUTO BURN： Use the chip set internal pattern for hot running monitor panel and inverter. AUTO COLOR ： Perform Auto - Acer X221 | Service Guide - Page 30
: LED Color Blue System Status System in normal operation mode Amber System in power-saving mode Dark System in power-off mode LOGO: When the monitor is power on, the LOGO will be showed in the center, and disappear slowly. HOW TO OPTIMIZE THE DOS-MODE Plug and play Plug & play - Acer X221 | Service Guide - Page 31
WILL APPEAR TO BE NON-FUNCTIONAL IF THERE IS NO VIDEO INPUT SIGNAL. IN ORDER FOR THIS MONITOR TO OPERATE PROPERLY, THERE MUST BE A VIDEO INPUT SIGNAL. This monitor meets the Green monitor standards as set by the Video Electronics Standards Association(VESA) and/or the United States Environmental - Acer X221 | Service Guide - Page 32
Chapter 3 Machine assembly This chapter contains step-by-step procedures on how to assemble the monitor for maintenance and trouble shooting NOTE : 1. The screws for the different components vary in size. During the disassembly process, group the screws with the corresponding to avoid mismatch when - Acer X221 | Service Guide - Page 33
Real View: Top View: - 33 - - Acer X221 | Service Guide - Page 34
Side View: ( unit : mm ) - 34 - - Acer X221 | Service Guide - Page 35
Assembly process Picture Description CHECKING THE FOAM CUSHION AND PUT IT TO PRODUCTION LINE CHECKING THE PCB SHIELDING AND PUT IT TO PRODUCTION LINE STICK 2*PCS RUBBER ON THE LOCATION OF SHIELDING AS LEFT SHOW PUT 1*PCS FLOW CARD ON THE PRODUCTION LINE CHECKING THE MAIN BOARD WHETHER BAD CHECKING - Acer X221 | Service Guide - Page 36
CHECKING THE POWER BOARD WHETHER BAD SCAN THE CODE OF S/N AND P/B ON FLOW CARD CHANGE THE LAMP CURRENT OF PANEL CONNECT THE CABLE AND POWER/B BY WHITE GOOEY MARK THE APPOINTED LOCATION BY PEN AS LEFT SHOW PUT THE POWER BOARD TO PRODUCTION LINE CONNECT THE MAIN BOARD AND POWER BOARD PUT 1*PCS SPRING - Acer X221 | Service Guide - Page 37
LOCK UP 2*PCS SCREWS ON THE LOCATION OF MAIN BOARD GET THE MYLAR OF POWER/B AND INSERT IT TO THE SHIELDING LOCK UP 1*PCS SCREWS(M4*8-B) ON THE LOCATION OF POWER BOARD AS LEFT SHOW LOCK UP 3*PCS SCREWS(M3*6-B) ON THE LOCATION OF POWER BOARD AS LEFT SHOW MOVE THE SHIELDING ON FRONT OF POWER BOARD TEAR - Acer X221 | Service Guide - Page 38
TEAR OFF THE PLASTIC FILM AND CHECKIN IF BE SCRAPED OR DIRTY STICK PLASTIC FILM ON THE PANEL TURN OVER THE PANEL AND TEAR OFF THE PLASTIC FILM TEAR OFF 1*PCS CODE ON THE PANEL FROM FLOW CARD SCAN THE FLOW CARD S/N AND CODE, AND P/N OF PANEL GETTING AND CHECKING THE RIGHT BRACKET WHETHER ANAMORPHIC - Acer X221 | Service Guide - Page 39
GET THE LEFT BRACKET AND CHECKIN WHETHER ANAMORPHIC AND RUSTY, THEN STICK 1*PCS FOAM ON THE BULGE PUT THE LEFT BRACKET ON THE RIGHT OF PANEL AND LOCK UP 2*PCS ON THE LOCATION AS LEFT SHOW TURN OVER THE PANEL AND TEAR OFF PLASTIC FILM GET THE BEZEL AND TEAR OFF PACKING, THEN CHECKING WHETHER BAD PUT - Acer X221 | Service Guide - Page 40
LOCK UP3*PCS SCREWS ON THE LOCATION OF THE LEFT OF BEZEL TEAR OFF THE PLASTIC FILM AND RECLAIM STICK 2*PCS RUBBER ON THE LOCATION OF PANEL PUT 2*PCS HOOKS ON THE LOCATION OF BEZEL LOCK UP 2*PCS SCREWS TO HOOKS FOR RIVET BEZEL INSERT THE BUTTON CABLE TO THE JACK OF BUTTON BOARD PUT THE BUTTON TO THE - Acer X221 | Service Guide - Page 41
LOCK UP 2*PCS SCREWS ON THE VGA SINK OF MAIN BOARD LOCK UP 2*PCS SCREWS ON THE DVI SINK OF MAIN BOARD(IF HAVE DVI SINK) INSERT THE UPSIDE LAMP CABLE INSERT THE DOWNSIDE LAMP CABLE CHECKING THE LAMP CABLE WHETHER ANY MISS WITH INSTRUMENTS STICK 1*PCS AL FOIL(50*70) TO THE PANEL AND SHIELDING FOR - Acer X221 | Service Guide - Page 42
CHECKING THE COLLOID OF OUTSIDE OF LCD WHETHER FIRMED CHECKING THE CABLE OF BUTTON/B AND SPEAKER & LAMP CABLE WHETHER SETTLED FIRMED THE AL FOIL TURN OVER LCD AND CHECKIN WHETHER ANY DIRTY CHECKING THE REAR COVER AND PUT IT TO THE BEZEL STICK 1*PCS OF CODE ON THE LOCATION OF REAR COVER FROM FLOW - Acer X221 | Service Guide - Page 43
CHECKING THE SCREWS OF REAR COVER WHETHER UNLOCKED PUT THE STAND TO THE LOCATION OF REAR COVER LOCK UP 4*PCS ON SCREWS ON THE STAND FOR RIVETING INSERT THE VGA SIGNAL CABLE TO THE SINK OF LCD PUT THE BASE ON THE STAND OF LCD STAND UP THE LCD INSERT THE POWER CABLE TO THE POWER SINK AND TURN ON IT - Acer X221 | Service Guide - Page 44
Trouble Shooting 1. No Power Change NO Power Board No Check Short Of Main Board NO Change Q3,D1,U1,D2 NO Change X1 NO Change U5 - Acer X221 | Service Guide - Page 45
2. Missing Color Change NO Cable Change NO R1,R5,R10, U2 NO Change U4 or CN2 Cable or Panel NO Adjustment R/G/B Color Missing Color Check VGA Cable Yes Check R27,R29,R31 Yes Check CN2 LVDS Signal Yes Check OSD R/G/B Gain Yes Change Panel - Acer X221 | Service Guide - Page 46
3. Always show "NO SIGNEL" Change Cable "NO SIGNEL" NO Check VGA Cable Yes VGA Check C23,C24,R44,R4 5 Yes Change U4 NO Change R42,R43,FB1,R 44,R45 C23,C24 - Acer X221 | Service Guide - Page 47
Connector Information Phone jack stereo PIN1. AC power cord : CEE22 typed connector PIN2. Audio cable PIN3. Audio : Line-in receptacle Chapter 5 Video signal connector 15P Mini D-Sub connector x 1 3 7 2 6 1 PIN Signal 1 Red 2 Green 3 Blue 4 No Pin 5 Ground 6 Ground Red 16 7 - Acer X221 | Service Guide - Page 48
Proprietary connecting of DVI box The PIN assignment of the 24 pin DVI-D connector / cable is as follows: PIN Signal 1 TMDS data22 TMDS data2+ 3 TMDS data2 shield 4 NC 5 NC 6 DDC clock 7 DDC data 8 Not connected 9 TMDS data110 TMDS data1+ 11 TMDS data1 shield 12 NC 13 NC 14 +5V 15 Ground (return for - Acer X221 | Service Guide - Page 49
may have a DIFFERENT part number code to 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 repair and service of customer machines. NOTE: To scrap or to return the defective parts, you should follow the - Acer X221 | Service Guide - Page 50
- Acer X221 | Service Guide - Page 51
DD0L9ELC030 CABLE LVDS 1 2 MM30030IBJ4 SCREW M3*3-I-NI 10 17 FCWBTB01019 MYLAR POWER WBTB 1 3 AAM220EW000 LCD(TFT) 22'' M220EW01 V0 FOR ACER CON GP 1 18 MM30060BBJ3 SCREW M3.0*6, B(NI) GP 6 4 FAWBTB02013 LCD BKT-L WBTB 1 19 MM40080BBW1 SCREW M4.0*8.0-B(NI, WAHSER) 1 5 FCL7TA01018 SHIELDING - Acer X221 | Service Guide - Page 52
Part list Above picture show the description of the following component. Item Picture Description Part No. Back Cover 25L7TBLC000 Stand 26L7TBSA001 Bezel 34L7TBLB002 Base 38L9TBBS000 Screw - 52 - MM40080BBW1 - Acer X221 | Service Guide - Page 53
5 4 3 SCHEMATIC DIAGRAM D 2 1 Chapter 7 D WBTD-D MSTAR MB RSDS/LVDS C CONTENTS SCHEMATIC SHEET cover 0 B 1 POWER 2 B VGA AND TMDS INPUT 3 SCALAR TSUMU58WHJ 4 Panel interface 5 Audio 6 CONTENT 7 A of 5 4 3 2 C B of A of 1 - Acer X221 | Service Guide - Page 54
5 CN1 CONN 4x2-R 1 2 3 4 +5V 5 6 7 8 D R1 0/1206 C4 1uF/8 R5 C VCC12 4 VCC12 5,6 C1 0.1uF/6 VCC3.3 VCC3.3 R2 R3 0/6 10K/6 Q1 R4 1K/6 10K/6 MMST3906 VCC3.3 R6 C3 0.1uF/6/NC 10K/6 R8 1K/6 R9 0/6 5% C6 1uF/8/NC 3 Q2 2N3904 2 R11 2.2K/6 on_BACKLIGHT 4 Adj_BACKLIGHT - Acer X221 | Service Guide - Page 55
5 16 CN3 11 1 6 12 2 7 13 3 8 14 4 9 PC5V D 15 5 10 VGA 4 R G B R34 75/6 1% 17 D5 BAV99/NC D6 BAV99/NC D7 BAV99/NC ESD_5V C20 0.1uF/6/NC C21 0.1uF/6/NC C22 0.1uF/6/NC R35 75/6 1% R36 75/6 1% 3 R27 56/6 1% R29 56/6 1% R31 56/6 1% R33 470/6 R28 30/6 bead C13 47nF - Acer X221 | Service Guide - Page 56
5 4 3 2 1 VCC3.3 MEMPLL_33 AVDD_33 AVDD_18 VDDC_18 VDDP_33 58 54 114 40 59 87 107 112 AVDD_18 21 53 74 104 126 8 14 20 VDDP VDDP VDDP VDDP VDDP VDDP VDDP VDDP VDDC VDDC VDDC VDDC AVDD_33 AVDD_33 AVDD_33 R66 4.7K/6/NC R67 4.7K/6/NC D CN5 U4 VCTRL 103 VCTRL 2 1 2 3 R68 R69 4 - Acer X221 | Service Guide - Page 57
5 4 3 2 1 D VCC12 VCC12 2,6 +5V R105 CX201209813/8/NC +5V 2,3,4 R20 C CX201209813/8 Q4 1 8 2 7 3 6 R22 C9 4 5 10K/6 2200PF/6 SI9435 C10 2200P/6 4 LVB0M 4 LVB1M 4 LVB2M 4 LVBCKM 4 LVB3M 4 LVA0M 4 LVA1M 4 LVA2M 4 LVACKM 4 LVA3M LVB0M LVB1M LVB2M LVBCKM - Acer X221 | Service Guide - Page 58
5 4 3 2 +12V_A AR1 1K/6 AR2 10K/6 AR3 10K/6 VOLU +12V_A AL1 VCC12 CX201209813/8 VCC12 2,5 3.9K/6 AC1 1uF/8 3 D 4 VOLUME AR5 2K/6 2 AQ1 2N3904 AR4 1 +12V_A PC AUDIO-IN AJ1 1 5 4 3 2 ZD005D100 L_LINE R_LINE C AGND 4 MUTE 2,4 VCC3.3 B 4 STBY VCC3.3 AR13 10K/6 - Acer X221 | Service Guide - Page 59
5 D CN8 8 7 6 5 4 3 2 1 JST 8Pin PH2.0mm H C 4 MENU_O SEL_O PWR_O RIGHT_O LEFT_O AMBER_O GREEN_O B A 5 4 3 2 1 SW1 TOUCH SWITCH 4P MENU D SW2 TOUCH SWITCH 4P AUTO SW3 TOUCH SWITCH 4P POWER SW4 TOUCH SWITCH 4P C RIGHT SW5 TOUCH SWITCH 4P LEFT LD1 LED Dual AMBER 1 2 3 GREEN LD2 LED - Acer X221 | Service Guide - Page 60
1 2 3 4 5 6 7 8 VCC Vin R2 GND C7 C24 G D R5 C5 ON/OFF D S Q1 IC_VCC R41 IC_VCC D15 R12 DBRT LI D16 R40 R19 C8 R9 R10 Q3 R6 R7 C6 R11 U1 14 LOK 13 ENSYNC 12 ABRT BTL 23 PRL 22 OUTL 25 11 DBRT UGL 24 10 BRS VCCL 26 9 BRC LGL 27 8 LCC PGL 28 C 7 LCS - Acer X221 | Service Guide - Page 61
1 2 3 4 3 CN100 1 L F101 SW101 2 1 LF101 2 D FG TH101 LF102 2 R101 1 BD101 R102 2 3 C114 1 + R112 C260 1 T101 9.10 R260 C261 + CY101 VA101 CX101 ZD110 C115 N C 4 3 CY102 3 4 CY104 R123 R122 R121 U101 R124 6 Ilimit Drain 1 4 R120 R113 3 D110 D260 D240 6.7 - Acer X221 | Service Guide - Page 62
Chapter 8 Power board Current set information P/N AAM220EW000 AAO220Z1008 AAO220Z1016 Model Name LCD(TFT)22'' M220EW01 V0 LCD(TFT)22'' M220Z1-L01 LCD(TFT)22'' M220Z1-L01 Lamp Current 7.0mA 7.0mA 7.0mA When the lamp current value is 7.0MA, the jumper should be done as the picture left show.