Acer AL1911 AL1911 Service Guide
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- Acer AL1911 | AL1911 Service Guide - Page 1
AL1911 TFT LCD MONITOR CONTENTS 1. INTRODUCTION...3 1.1 Scope ...3 1.2 Description...3 2. ELECTRICAL REQUIREMENTS...4 2.1 Standard Test Conditions ...4 2.2 LCD monitor General specification...4 2.3 LCD Panel Specification ...5 2.4 Input Signals ...10 2.5 Controls ...14 2.6 White Color Temperature - Acer AL1911 | AL1911 Service Guide - Page 2
9.10 Test Procedure...41 10. Power Line Surge Test (IEC 61000-4-5 Surge 43 10.1 Climatic Condition ...43 10.2 Test Conditions: ...43 11. ENVIROMENT REQUIREMENT 44 11.1 Operating ...44 11.2 Storage or Shipment ...44 12. REGULATION COMPLIANCE 45 12.1 This product comply to the most - Acer AL1911 | AL1911 Service Guide - Page 3
Scope This specification defines the requirements for the 19" MICRO-PROCESSOR based Multimode supported high resolution color LCD monitor, This monitor can be directly connected to general 15 pin D-sub VGA connector, eliminates the requirement of optional special display card. It also supports VESA - Acer AL1911 | AL1911 Service Guide - Page 4
9u'/2) - 12v' + 9] y = (3v')/[(9u'/2) - 12v' + 9] nits = cd/(m2) = Ft-L x 3.426 lux = foot-candle x 10.76 2.2 LCD monitor General specification Panel Type : 19 " active matrix color TFT LCD 1). FUJITSU FLC48SXC8V-10 Display size : 376.32mm(H) x 301.056mm(V) Display mode : VGA 720 X 400 (70 Hz - Acer AL1911 | AL1911 Service Guide - Page 5
: Support VESA DDC2B functions Power Input voltage : Single phase, 50/60HZ, 100VAC to 240VAC ±10% Total output power : 55 Watt max. 2.3 LCD Panel Specification 2.3.1 LCD Panel Model (FUJITSU FLC48SXC8V-10) • Display Type • Resolution • Display Dot • Display Area • Pixel Pitch • Display Color - Acer AL1911 | AL1911 Service Guide - Page 6
Lamp • Weight 2500g . • Optical Specifications The following items are measured under stable conditions Center of screen) Response Time Rising Falling Luminance of White (Center of screen) Red Color Chromaticity (CIE 1931) Green Blue White Hor. Viewing Angle Ver. Brightness Uniformity (9 - Acer AL1911 | AL1911 Service Guide - Page 7
Note 2) Definition of Contrast Ratio (CR): Ratio of gray max(Gmax),gray min(Gmin) at the center point of panel. Luminance with all pixels white (Gmax) CR Luminance with all pixels black (Gmin) Note 3) Definition of Response time: Sum of TR , TF 7 - Acer AL1911 | AL1911 Service Guide - Page 8
Note 4) After stabilizing and leaving the panel alone at a given temperature for 30 min, the measurement should be executed .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 - Acer AL1911 | AL1911 Service Guide - Page 9
Notes 5) Definition of Luminance of White : measure the luminance of white at center point. Notes 6)Definition of 9 points brightness uniformity (Measuring points: Refer to the Note 5) Bmin BUNI=100 Bmax Bmax: Maximum brightness Bmin: Minimum brightness Notes 7) Definition of Flicker level Flicker - Acer AL1911 | AL1911 Service Guide - Page 10
shadowing in any direction from box E. Independently vary the gray level (or color) of the background and box E until the worst case shadowing is observed off Btgt. With Gbkg set to its proper level, measure the luminance (or color). Next,turn on the source box Bsrc. Again measure at the center point - Acer AL1911 | AL1911 Service Guide - Page 11
does not match the supported timing the display optimization will not be assured. • Horizontal Frequency 24KHz --80KHz • Vertical Frequency 56Hz ---------75Hz DISPLAY MODES MONITOR MODE NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 SCREEN RESOLUTION 640x350 640X400 640X400 640X400 - Acer AL1911 | AL1911 Service Guide - Page 12
48 248 108 3 1 38 144 16 248 135 3 1 38 If the input timing is not a supported timing listed above but within the supported frequency range (Horizontal: 80KHz,Vertical: 75Hz), this monitor will select a closest mode instead. But the display quality may not be optimized. If the input - Acer AL1911 | AL1911 Service Guide - Page 13
85Hz refresh rate Support Monitor should display 85Hz refresh rate mode as emergency mode. Monitor should display "Out of Range" warning menu at this mode. DETECTION 11 GROUND 12 SDA 13 H.SYNC 14 V.SYNC 15 SCL Color of plastic parts: Blue (PC99) 5 1 10 6 15 11 D-sub connector 13 - Acer AL1911 | AL1911 Service Guide - Page 14
to OFF. (toggle switch) 7. Ear phone jack. 8. Volume Control. Note: When OSD Menu is off, press button 2 can activate "Auto Adjustment" immediately. 2.5.2 OSD Functions • OSD Format: Refer to following figure. • OSD Border: Cyan color • OSD Tunable Item: The 16 icons that around the border - Acer AL1911 | AL1911 Service Guide - Page 15
coordinate at 9300°K color temperature. Exit OSD menu function. Sharpness : Adjust the scale-up effect(smoother or sharper.) OSD Transparency: Adjust the transparency level of OSD. The range is from 0 to 100 scales. Comment: • 1280x1024: • 60 HZ: • VER 1.00: Current mode resolution. Current mode - Acer AL1911 | AL1911 Service Guide - Page 16
0.325 User - - *) TCO'0X A.2.6.1 requirement Tolerance Color Coordinate Tolerance +0.03 +0.03 +0.03 u' 0.189 0.194 0.198 - v' 0.446 0.459 0.469 - u'v'< 0.01* u'v'< 0.01* u'v'< 0.01* - User should follow "Microsoft Windows Color Quality Specification for Liquid Crystal Display OEM's". (http - Acer AL1911 | AL1911 Service Guide - Page 17
2.7 Power Management 2.7.1 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 monitor must appropriately display the DPMS state, For example: DPMS - Acer AL1911 | AL1911 Service Guide - Page 18
monitor will be capable of sending a VESA standardized EDID file through the DDC (pins 12, 15 of the VGA connector). 2.9 Audio Technical specification 10dB 500m Vrms 1KHz - 500m Vrms 1KHz 500m Vrms 1KHz - 500m Vrms 1KHz - - Spec. Comment Typ. Max. 5 - 500 800 - 6 d B Volume Max.,load 4 - Acer AL1911 | AL1911 Service Guide - Page 19
construct a high display quality LCD monitor. 3.2 Features • On board embedded micro-processor to detect display timings and control user functions. • Using Genesis gm5120 design to generate optimum LCD timings. 2 • Using E PROM to memorize every adjusted parameter. • support up to 22 display modes - Acer AL1911 | AL1911 Service Guide - Page 20
20 - Acer AL1911 | AL1911 Service Guide - Page 21
3.4 Connector Locations 3.5 Connector Type Location CN1 CN2 CN4 J1 J2 Type 74320-4004 1211-15 6905-40 4300-10 4500-07 Maker MOLEX E&T E&T E&T E&T Number of pins 24 15 40 10 07 3.6 Connector pin assignment 3.6.1 CN2 Pin NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Signal R-Video G-Video B-Video - Acer AL1911 | AL1911 Service Guide - Page 22
Terminal No. 36,37,38 1 2 4 5 7 8 10 11 13 14 16 17 19 20 22 23 25 26 28 29 03,06,09, 12 15, 18, 21, 24 27, 30, 34, 35 39,40 Symbol VDD TXE0TXE0+ TXE1TXE1+ - Acer AL1911 | AL1911 Service Guide - Page 23
3.6.4 J1 Pin NO. 1 2 3 4 5 6 7 8 9 10 Signal NC LED-Y LED-G GND KEY-POWER KEY-DOWN KEY-R KEY-L KEY-UP GND Comment NC Power saving mode Monitor is ON GND Power ON/OFF key Function select counter-clockwise key Adjust up key Adjust down key Function select counter-clockwise key GND 23 - Acer AL1911 | AL1911 Service Guide - Page 24
-POWER KEY-DOWN KEY-R KEY-L KEY-UP GND 4.4.2 J6 Pin NO. 1 2 3 4 5 6 Signal +5V VR L+ LMUTE HP-S Maker E&T E&T ACER ACER SC Number of pins 10 11 2 2 9 Comment Audio mute control Power saving mode Monitor is ON GND Power ON/OFF key Function select counter-clockwise key Adjust up key Adjust down - Acer AL1911 | AL1911 Service Guide - Page 25
7 HP-L 8 HP-R 9 GND 10 R+ 11 R- EAR Phone Out L EAR Phone Out R GND Speaker Out R+ Speaker Out R- 4.5 Switch definition Location Definition S5 Power ON/OFF S1 Function select by clockwise direction S4 Function select by counter-clockwise direction S3 Adjust up S2 Adjust down - Acer AL1911 | AL1911 Service Guide - Page 26
5. POWER SUPPLY (VI-902) 5.1 Electrical specification 5.1.1 AC/DC CKT: 1. Input Voltage: 100 ~ 240 ±10 Vac 2. Input Frequency: 47 ~ 63Hz 3. Input Current: 1.2 Arms withstanding a voltage of 500Vac 18. Hi-Pot: 3Kvac with using 5mA cut off current 19.AC Inlet: HUAJIE / SA-4S-066 or equivalent 26 - Acer AL1911 | AL1911 Service Guide - Page 27
5.1.2 Inverter CKT: 1.Fujustu /FLC48SXC8V-10 No. Item Sym 1 Input Voltage Vin (Condition:Ta=25 ) Condition Min Typ. 11.7 13 2 Lamp Voltage VLamp Vin=13V,ILAMP= 7.5mA - 750 3 Luminance 4 Brightness adjustable range Bmax Center of screen, 7mA for each lamp. 240 300 Minimum - Acer AL1911 | AL1911 Service Guide - Page 28
5.2.3 Reliability Requirements: 1. MTBF: 60,000 hours 2. Abnormal protections: Should meet NMV's requirement 3. Operational Environment: 0 ~ 40 degC, Humidity: 20 ~ 80% 5.2.4 Safety, EMI & Ergonomic Requirements: 1. Safety: UL /C-UL, TUV/GS, CE 2. EMI: FCC Class B, CE, VCCI Class B, BSMI 6. VM- - Acer AL1911 | AL1911 Service Guide - Page 29
6.2.3 J2 TO Speaker Pin No Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 Pin 7 Pin 8 Pin 9 Pin 10 Pin 11 Signal +5V VR L+ LMute HP-S HP-L HP-R GND R+ R- Comment VDD for audio volume adjustment Audio volume adjustment Speaker out L+ Speaker out LAudio mute control EAR phone output control EAR phone out L - Acer AL1911 | AL1911 Service Guide - Page 30
7. TROUBLESHOOTING 7.1 Main Procedure AM969 30 - Acer AL1911 | AL1911 Service Guide - Page 31
31 - Acer AL1911 | AL1911 Service Guide - Page 32
7.1.1 Power Circuit Troubleshooting 32 - Acer AL1911 | AL1911 Service Guide - Page 33
7.1.2 Backlights Troubleshooting VI-902 33 - Acer AL1911 | AL1911 Service Guide - Page 34
7.1.3 Performance Troubleshooting 34 - Acer AL1911 | AL1911 Service Guide - Page 35
7.1.4 Function Troubleshooting 35 - Acer AL1911 | AL1911 Service Guide - Page 36
be one shock in each direction in each axis, for a total of 6 shock inputs. 8.2 Package Drop Specification Listed below are standards of drop heights for monitor product Product Weight height Specs - Acer AL1911 | AL1911 Service Guide - Page 37
Size and Weight Dimension size Net Weight Gross Weight 433 (W) x 447 (H) x 235 (D) 6.5Kg 9 Kg 8.4 Gap Spec. 8.4.1 The step between front bezel and back cover shall be within specification. Back Cover & Bezel Gap 0.8 mm ≤ A ≤ 1.2 mm Back Cover & Bezel Alignment 0 mm ≤ D ≤ 0.8 mm Back Cover - Acer AL1911 | AL1911 Service Guide - Page 38
Back Cover & Cable Cover Gap 0.8 mm ≤ B ≤ 1.2 mm Base Cover & Neck Cover Gap 0.8 mm ≤ C ≤ 1.2 mm 38 - Acer AL1911 | AL1911 Service Guide - Page 39
Horizontally The angle between front bezel and LCD unit in bottom side should not large than 1.0mm. The distance of the LCD display unit from left side to right should not large than E - F - Acer AL1911 | AL1911 Service Guide - Page 40
Others ABS 94HB TCO' 99(Optional) Front Bezel PC + ABS 94 - V0 BACK COVER PC + ABS 94 - V0 The others ABS 94 HB 8.8 GAP Spec. Gap between panel with bezel is 0 mm < gap < 1.5 mm 9. Power Line Transient Test (IEC 61000-4-4 Fast Transients/Burst) TEST CONDITIONS & PROCEDURE: (Follow IEC 61000 - Acer AL1911 | AL1911 Service Guide - Page 41
: - Ambient Temperature: 15°C to 35°C - Relative Humidity: 45% to 75% - Atmospheric Pressure: 86 kPa to 106 kPa 9.10 Test Procedure: The monitor Display set high-resolution mode, AC input use AC 240V. Note : 9.10.1 IEC 61000-4-4 defines that power supply, I/O line, and control line all shall be - Acer AL1911 | AL1911 Service Guide - Page 42
WAVESHAPE 42 - Acer AL1911 | AL1911 Service Guide - Page 43
2.0 KV, and without any degradation or loss of function that is not recoverable due to damage of component or software allowed. 10.7 Display set high-resolution mode, AC input use AC 240V. 43 - Acer AL1911 | AL1911 Service Guide - Page 44
11. ENVIROMENT REQUIREMENT 11.1 Operating Temperature Relative Humidity Altitude 5°C ~ 40°C 20% to 80% Sea level to 8000ft 11.2 Storage or Shipment Temperature Relative Humidity Altitude -20°C ~ +60°C 5% to 85% Sea level to 40,000ft 11.2.1 TEST PROCEDURE: • Put in temperature chamber under 60 - Acer AL1911 | AL1911 Service Guide - Page 45
power saving according to NUTEK Spec. 803299/94/96, EPA Energy star. Requirements for Environmental Labeling of Personal Computers. Test methods for Ergonomic Frequency Magnetic Field IEC 61000-4-11 Voltage DIP/Interruption Specification for limits and methods of measurement of radio interference - Acer AL1911 | AL1911 Service Guide - Page 46
or system reset. Class B : Temporary degradation or loss of function or performance which is selfrecoverable 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 - Acer AL1911 | AL1911 Service Guide - Page 47
: 15°C to 35°C Relative humidity : 30% to 60% 13. QUALITY AND RELIABILITY 13.1 Quality Assurance Unless otherwise specified in this specification or the applicable purchase order, the supplier shall be responsible for maintaining a statistical process program or performing inspections that are - Acer AL1911 | AL1911 Service Guide - Page 48
Appendix A: Parts list Note: Please access to the website of http://aicsl.acer.com.tw/spl/ 1 - Acer AL1911 | AL1911 Service Guide - Page 49
Appendix B: DISPLAY Assembly 1 - Acer AL1911 | AL1911 Service Guide - Page 50
2 - Acer AL1911 | AL1911 Service Guide - Page 51
. PART NO. DESCRIPTION SPECIFICATION F0 001 REMARKS # LAM969F0001 LAM969F ABO UR+TCO99 WG017 19"FUJ 1 DC190020440 CB ASY (NOTICE SHEET) FOR TCO99 1 - - - - 004 5 HGTCO990000 TCO99 LABEL TCO99 FOR BEZEL/MANUAL 1 - - - - 006 6 HGTCO990100 TCO99 LABEL TCO99 FOR CARTON 1 - - - - - Acer AL1911 | AL1911 Service Guide - Page 52
QUANTITY REQUIRED DWG.NO. X66ANF REV. 0A C NO. PART NO. DESCRIPTION SPECIFICATION 30 001 REMARKS # X66ANF30001 MEC PACKING ABO LAM969F 1 FJCM9917000 EPS FOAM-L 2 FJCM9918000 EPS FOAM-R CM9917 CM9918 End of Report 1 - - - - 201 1 - - - - 202 4 - Acer AL1911 | AL1911 Service Guide - Page 53
5 - Acer AL1911 | AL1911 Service Guide - Page 54
========= 6 - Acer AL1911 | AL1911 Service Guide - Page 55
========= QUANTITY REQUIRED DWG.NO. 582907 REV. 0A C NO. PART NO. DESCRIPTION SPECIFICATION 30 001 REMARKS # 58290730001 DIS UNIT ABO LAM969F TCO99 19"FUJ 1600X1200 1 AC600022710 LCD MODU 2 DA3M999V011 FPC 3 DC020154210 H-CON SET 4 DC020200410 H-CON SET 5 DC020155200 H-CON SET - Acer AL1911 | AL1911 Service Guide - Page 56
NO. X66ANG REV. 0A C NO. PART NO. DESCRIPTION SPECIFICATION 30 001 REMARKS # X66ANG30001 MEC PARTS ABO LAM969F TCO99 WG017 018 18 MAB20076200 TAPING SCREW TPP-4.0+16P-NI 4 - - - - 019 019 019 019 19 MAB80007400 SCREW TPP2X3+12B-MC 3 - - - - 020 020 020 20 DC150V00000 CORE KC - Acer AL1911 | AL1911 Service Guide - Page 57
Appendix C: PCBA Assembly 1 - Acer AL1911 | AL1911 Service Guide - Page 58
2 - Acer AL1911 | AL1911 Service Guide - Page 59
1 - - - - C302 2 - - - - C305 C308 1 - - - - J2 1 - - - - J1 1 - - - - J3 QUANTITY REQUIRED DWG.NO. 455AA5 REV. 0A C NO. PART NO. DESCRIPTION SPECIFICATION 30 001 REMARKS # 435AA530001 SMT AUDIO/B VM-906 LAM969F 1 DA2M969V001 PCB 2 SA048380000 SM IC 3 SD0130000T4 CHIP RES - Acer AL1911 | AL1911 Service Guide - Page 60
4 - Acer AL1911 | AL1911 Service Guide - Page 61
5 - Acer AL1911 | AL1911 Service Guide - Page 62
6 - Acer AL1911 | AL1911 Service Guide - Page 63
7 - Acer AL1911 | AL1911 Service Guide - Page 64
8 - Acer AL1911 | AL1911 Service Guide - Page 65
9 - Acer AL1911 | AL1911 Service Guide - Page 66
1 - - - ZZZ - - 1 - - ZZZ 1 - - - - U1 1 - - - - U2 - 1 - - - U1 - 1 - - - U2 QUANTITY REQUIRED DWG.NO. 451A99 REV. 1E C NO. PART NO. DESCRIPTION SPECIFICATION 30 30 001 011 REMARKS # 451A9930001 PCBA CTRL/B VL-901 LCM998F 1E # 451A9930011 PCBA CTRL/B VL-901 LAM969F 1E - Acer AL1911 | AL1911 Service Guide - Page 67
DWG.NO. 451A99 REV. 1E C NO. PART NO. DESCRIPTION SPECIFICATION 30 30 001 011 REMARKS # 431A9930001 SMT CTRL/B VL-901 LCM998F SC4LZ56B0T5 SM ZENER DIODE 17 SD0130000T4 CHIP RES. 18 SD0131001T6 CHIP RES. 19 SD0131002T3 CHIP RES. 20 SD0132201T1 CHIP RES. 21 SD0134700T1 CHIP RES. 22 - Acer AL1911 | AL1911 Service Guide - Page 68
QUANTITY REQUIRED DWG.NO. 451A99 REV. 1E C NO. PART NO. DESCRIPTION SPECIFICATION 30 30 001 011 REMARKS 29 SE024101JT8 CHIP CERAMIC CAP. 100P 50V +-5% NPO 0603 S8 1 1 - - - C48 30 SE024180Z01 CHIP CERAMIC CAP. 18P 50V Z NPO 0603 3 3 - - - - Acer AL1911 | AL1911 Service Guide - Page 69
13 - Acer AL1911 | AL1911 Service Guide - Page 70
QUANTITY REQUIRED DWG.NO. 454AA5 REV. 0C C NO. PART NO. DESCRIPTION SPECIFICATION 30 001 REMARKS # 454AA530001 PCBA KEY/B VK-906 LAM969F 0C 1 BC5G2093000 LED 2 CF150021300 VR RES 3 DA1M969V000 PCB 4 DC030040000 WAFER CONN * 5 DC03E000500 WAFER CONN. * 6 DC03E001000 WAFER - Acer AL1911 | AL1911 Service Guide - Page 71
15 - Acer AL1911 | AL1911 Service Guide - Page 72
NO. 453A99 REV. 1A C NO. PART NO. DESCRIPTION SPECIFICATION 30 30 30 001 011 021 REMARKS # 453A9930001 PCBA POWER CA022DEK000 CER CAP 16 CA047FMJ000 CER CAP 17 CB1000FM1R0 CAPACITOR 18 CC008086700 RES NTC 19 CF210010201 TRIMMER RES. * 20 CJ033BXMX10 FILM CAP 21 CL300003600 CHOK COIL 22 - Acer AL1911 | AL1911 Service Guide - Page 73
. 453A99 REV. 1A C NO. PART NO. DESCRIPTION SPECIFICATION 30 30 30 001 011 021 REMARKS # 433A9930001 SMT SD011100BT7 CHIP RES. 16 SD011200B00 S RES 17 SD011510300 S RES 18 SD011680300 S RES 19 SD011820300 S RES 20 SD0131002T3 CHIP RES. 21 SD0131004T8 CHIP RES. 22 SD0131500T6 CHIP RES - Acer AL1911 | AL1911 Service Guide - Page 74
QUANTITY REQUIRED DWG.NO. 453A99 REV. 1A C NO. PART NO. DESCRIPTION SPECIFICATION 30 30 30 001 011 021 REMARKS 40 SD014470200 CHIP RES. 1/16W 47K +-1% 0603 1 1 1 - - R901 41 SD014510100 CHIP RES. 1/16W 5.1K +-1% 0603 4 4 4 - - R945 R947 R972 - Acer AL1911 | AL1911 Service Guide - Page 75
DWG.NO. 453A99 REV. 1A C NO. PART NO. DESCRIPTION SPECIFICATION 30 30 30 001 011 021 REMARKS # 443A9930001 AIS POWER/B 16 CC0150011T6 RESISTOR 17 CC4700491T4 RESISTOR (MOF) * 18 DA1M998P010 PCB 19 DC1510009T0 BEAD 20 XX0900T2119 JUMPER WIRE 21 XX0900T2127 JUMPER WIRE 22 XX0900T2135