Acer AL722 AL722 Monitor Service Guide
Acer AL722 Manual
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Acer AL722 manual content summary:
- Acer AL722 | AL722 Monitor Service Guide - Page 1
1. ELECTRICAL REQUIREMENTS 2 A. LCD Panel Specification...2 B. CONTROLS ...3 C. Power Management ...3 D. Display Modes FOR Inspections ...4 ...17 A. Front Panel Control and Led...17 B. Rear Panel connector Input Signals ...18 C. Rear Panel Cable and Connector ...18 9. TROUBLESHOOTING 19 - Acer AL722 | AL722 Monitor Service Guide - Page 2
LCD Panel Specification Display: 17 inch (17" viewable image size): active matrix: thin film transistor (TFT): liquid crystal display (LCD Vertical: 56 Hz to 75 Hz Pixel Frequency: 21 Mhz 135 Mhz Resolution: Horizontal: 1280 dots Active Area: Display Viewing Angles: Vertical: 1024 lines - Acer AL722 | AL722 Monitor Service Guide - Page 3
B. CONTROLS B-1 Control panel (monitor front panel) 1. Power LED 2. Adjust decrease. 3. Adjust increase. 4. Function Meet VESA DPMS proposal 2. Power Consumption Meet VESA DPMS Proposal On mode 54 Wmax Green Stand-by 5 Wmax Yellow Suspend 5 Wmax Yellow Off mode 5 Wmax Yellow DC power - Acer AL722 | AL722 Monitor Service Guide - Page 4
144 16 248 135 VESA-1024- 75 ＋ 1066 1024 3 75Hz 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. 4 - Acer AL722 | AL722 Monitor Service Guide - Page 5
as to construct a high display quality LCD monitor. B. Features • On board embedded micro-processor to detect display timings and control user functions. • Using MXIC design to generate optimum LCD timings. 2 • Using E PROM to memorize every adjusted parameter. • support up to 22 display modes from - Acer AL722 | AL722 Monitor Service Guide - Page 6
D. Connector Locations E. Connector Type Location Type Maker Number of pins CN1 DZ11A91-L8 P1.524 FEMALE 15 JP1 85205-1200 ACES 12 J1 85205-1400 ACES 4 J2 85205-1000 ACES 10 J3 E&T 46213-4001D-40P-P1.25 E&T 40 F. Connector pin assignment F-1 CN1 Pin NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 - Acer AL722 | AL722 Monitor Service Guide - Page 7
F-2 CN7 Terminal No. 1, 3, 5, 7 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 9, 11, 13, 15 17, 19, 21, 23 25, 27, 29, 31 33, 35, 37, 39 Symbol VDD TXE0TXE0+ TXE1TXE1+ TXE2TXE2+ TXECLKTXECLK+ TXE3TXE3+ TXO0TXO0+ TXO1TXO1+ TXO2TXO2+ TXOCLKTXOCLK+ TXO3TXO3+ GND GND - Acer AL722 | AL722 Monitor Service Guide - Page 8
GND Inverter Power Output. Brightness Adjustment. Comment 12 VCC Power Input 5V Power Input GND GND Comment Volume adjust power input Power saving mode Monitor is ON GND Function select counter-clockwise key Function select counter-clockwise key Adjust up key Adjust down key Power ON/OFF key GND 8 - Acer AL722 | AL722 Monitor Service Guide - Page 9
Description The VK-715 is designed to offer a user interfaced control panel which passes and receives signals to and Watt. 500m Vrms 1KHz Volume Control Speakers⇒model:4Ø28CP 2X2w speaker; Impedance 8 Ω at 1KHz Spec. Comment Min. Typ. Max. 8.4 9 9.6 - 500 800 - - 14d B Volume Max - Acer AL722 | AL722 Monitor Service Guide - Page 10
side audio signal Right side audio signal E-2 J5 Pin NO. 1 2 3 4,10 5 6 7 8 9 Signal Comment MUTE Volume adjust power input. LED-Y Power saving mode. LED-G Monitor on mode. GND KEY-UP Function select up to VL-515 KEY-DOWN Function select down to VL-515 KEY-R Function select right to - Acer AL722 | AL722 Monitor Service Guide - Page 11
K. Switch definition Location S1 S2 S3 S4 S5 Definition Power ON/OFF Function select by clockwise direction Function select by counter-clockwise direction Adjust up Adjust down L. LED definition Location Definition D1 Green for ON mode; Yellow for OFF mode; yellow for Power Saving mode; Dark - Acer AL722 | AL722 Monitor Service Guide - Page 12
4. DC/DC POWER and Audio CKT VM-517 A. Input: 12V ±5% from adapter (LSE 9901B1260) B. Output: ITEM Output Voltage Max Load. Min Load Tolerance Ripple & Noise(max) VCC +5V 1.9A 0.25A ±5% 150mVpp C. Efficiency: 80% min at Maximum Load. D. Connector Locations E. Connector type for VM-515 - Acer AL722 | AL722 Monitor Service Guide - Page 13
F. Connector pin Assignment F-1 J801 DC 12V Input Pin No Pin 1 Pin 2 Signal +12V GND F-2 J802 FOR I/F CKT Pin No Pin 1 Pin 3, 4 Pin 2 Signal +12V GND +5V F-3 J3 FOR Audio input Pin No Signal Pin 1 GND Pin 2 Audio IN (1) Pin 3 Audio IN (2) F-4 J2 TO Speaker CKT Pin No Signal Pin 2, - Acer AL722 | AL722 Monitor Service Guide - Page 14
5. PK070011400/LIENHANG INVERTER BOARD A. Description The LI-2098 Inverter board is designed for lighting up the back-lights of LCD module. B. Electrical characteristics B-1 FOR FUJITSU PANEL (FLC44SXC8V) MIN. TYP. MAX. COMMENT INPUT VOLTAGE 11.4V 12.0V 12.6V 12V±5% INPUT CURRENT - Acer AL722 | AL722 Monitor Service Guide - Page 15
C. Connector locations D. Connector pin Assignment D-1 CN1(ACES, 85205-1200 12P) Pin NO. Signal Comment 1,2,3 BP+ +12V 5,6,10,11,12 GND GND 4 BLT_ON Back-light ON/OFF control , high active(5V) 7 +5VS +5VS 9 BRITE BRITE Brightness (0-5V)control from I/F 0V for max. brightness 8 NC - Acer AL722 | AL722 Monitor Service Guide - Page 16
of Plug and Play Plug and play allows the serial communication of host PC and peripherals offering minimal configurations to end users. This monitor supports DDC2B communication protocal. C. Power Regulator 1. The U5 (APL5883) & U14(APL1085)are linear requlator that transfer input voltage from 5V to - Acer AL722 | AL722 Monitor Service Guide - Page 17
Press the power switch to switch the monitor ON/OFF. 4 LED lights Green color --- Power is ON. DC Power-On Indicator LED lights Yellow --- Monitor is in "Power Saving Mode". LED External Headphone Jack The monitor speakers will be disabled when using an external headphone or external speakers - Acer AL722 | AL722 Monitor Service Guide - Page 18
B. Rear Panel connector Input Signals C. Rear Panel Cable and Connector Item Cable / Connector Function 1 Signal Connector Connectors the video cable 2 Power Connector Connectors the adapter cable 3 Audio connector Connector the audio cable 18 - Acer AL722 | AL722 Monitor Service Guide - Page 19
9. TROUBLESHOOTING A. Main Procedure CM67B 19 - Acer AL722 | AL722 Monitor Service Guide - Page 20
Power Circuit Troubleshooting 20 - Acer AL722 | AL722 Monitor Service Guide - Page 21
Backlights Troubleshooting 21 - Acer AL722 | AL722 Monitor Service Guide - Page 22
Performance Troubleshooting 22 - Acer AL722 | AL722 Monitor Service Guide - Page 23
Function Troubleshooting 23 - Acer AL722 | AL722 Monitor Service Guide - Page 24
APPENDIX A: PARTS LISTS 24 - Acer AL722 | AL722 Monitor Service Guide - Page 25
A. FRU Board A-1 PCBA Inverter board A-2 454A8130001 -PCBA Key Board (VK-715) A-3 455A3330021 -PCBA Audio Board (VM-517) 25 - Acer AL722 | AL722 Monitor Service Guide - Page 26
A-4 461A7830011-Firmware CTRLl Board (VL-710) 26 - Acer AL722 | AL722 Monitor Service Guide - Page 27
Monitor System Product Family: System Model:ABO_AL722(ET.72202.00X),X=4,5,9. LEVEL Acer SYSTEM Unit Price (US) STAND NECK(BASE) CASE/COVER/BRAC KET ASSEMBLY HINGE LCD COVER LCD BEZEL A'SSY (ACER) CHASSIS EMI SHIELD STAND /1004/1010 LCD HT17E11-300 17.0" (HYDIS) HT17E11-300 17.0" (HYDIS) - Acer AL722 | AL722 Monitor Service Guide - Page 28
system service use and in LOW stock level and RTV items. Spare Parts Level 2: Stands for subassemblies of FRU and consumed parts which should be in HIGH stock level and scrap items. Spare parts Level 3: Mainboard Components Option items: "MFG" is responsible for 1st year support - Acer AL722 | AL722 Monitor Service Guide - Page 29
APPENDIX B: DISPLAY UNIT ASSEMBLY 29 - Acer AL722 | AL722 Monitor Service Guide - Page 30
- Acer AL722 | AL722 Monitor Service Guide - Page 31
\\M-id\ART1\ MANUAL\service\AB QUANTITY REQUIRED DWG.NO. LAM67B REV. 0B C NO. PART NO. DESCRIPTION SPECIFICATION T1 T1 T1 T1 T1 001 002 003 004 005 REMARKS # LAM67BT1001 LAM67BT ABO CHN UR+TCO99 110V WG017 17"AU # LAM67BT1002 LAM67BT ABO-EUROPE UR+TCO99 WG017 17"AU AL722 # - Acer AL722 | AL722 Monitor Service Guide - Page 32
ABO-ASIA UR+TCO99 WG017 17"AU AL722 # LAM67BT1007 LAM67BT ABO-USA UR+TCO99 WG017 17"AU AL722 # LAM67BT1008 LAM67BT ABO-Switzerland UR+TCO99 WG017 17"AU AL722 # LAM67BT1009 LAM67BT ABO-UK UR+TCO99 WG017 17"AU AL722 # LAM67BY1001 LAM67BY ABO UR+TCO99 WG017 17"HYDIS 1 PK100005010 AC ADAP - Acer AL722 | AL722 Monitor Service Guide - Page 33
W-BLU 1 1 1 1 - 304 LAM67BY WG017 1 1 1 1 - 351 LAM67BY T99 17"HYDIS 1280X1024 1 1 1 1 - 352 LAM67BY UR+TCO99 WG017 - 1 - - - HDABOAM6700 USER'S MANUAL 5 FOR TCO99 TCO99 FOR BEZEL/MANUAL TCO99 FOR CARTON CM870-K001 FOR MAC LCDMONITOR F-VS558-ABO FOR ANZ F-VS558-ABO USA LCD/CRT R1 F-VS558-ABO - Acer AL722 | AL722 Monitor Service Guide - Page 34
EJ4AM670200 RATING NP 2 HB4AM670000 CARTON 3 HDABOAM6700 USER'S MANUAL 4 HF6TCO99000 TCO99 (NOTICE SHEET) 5 HGTCO990000 FJCM8715200 EPE FOAM (R) 3 FJCM8716100 EPE FOAM LEFT 4 FJCM8716200 EPE FOAM (L) 5 FJCM8722100 CORD BOX CM8715 (ACER) CM8716 (ACER) CM8722 1 - - - - 201 - 1 - - - 201 1 - - - - - Acer AL722 | AL722 Monitor Service Guide - Page 35
- Acer AL722 | AL722 Monitor Service Guide - Page 36
- Acer AL722 | AL722 Monitor Service Guide - Page 37
id\ART1\ MANUAL\service\ABMANUAL\service\AB QUANTITY REQUIRED DWG.NO. 582710 REV. 0B C NO. PART NO. DESCRIPTION SPECIFICATION 30 30 30 001 002 003 REMARKS # 58271030001 DIS ABO LAM67BT TCO99 17"AU 1280X1024 # 58271030002 DIS ABO LAM67BY T99 17"HYDIS 1280X1024 # 58271030003 - Acer AL722 | AL722 Monitor Service Guide - Page 38
REAR COVER(ACER) 16 FHCM7741000 RUBBER 17 MAA20085605 SCREW 18 MAA70003100 SCREW 19 MAA70063300 SCREW (NL) 20 MAB7T002419 SCREW 21 MAB20074201 TAPING SCREW 22 MAA70001200 SCREW (NL) 23 MAA5TB33208 SCREWLOCK(FEMAL) 24 FHCM8744000 GASKET 25 FHCM8745000 GASKET 26 DC150009700 CORE 27 ECCM8744000 - Acer AL722 | AL722 Monitor Service Guide - Page 39
APPENDIX C: P.C.B.A ASSEMBLY 39 - Acer AL722 | AL722 Monitor Service Guide - Page 40
1 1 C13 C14 30 HSYNC 31 VSYNC 29 58 37 COAST REF MIDSCV 2 2 B7 B6 B5 B4 12 13 14 15 B3 B2 B1 B0 16 17 18 19 BDA7 BDA6 BDA5 BDA4 BDA3 BDA2 BDA1 BDA0 RP6 8 7 6 5 8 7 6 5 22 1 2 3 4 RP7 1 PDA_B7 2 PDA_B6 3 PDA_B5 4 PDA_B4 PDA_B3 PDA_B2 PDA_B1 PDA_B0 22 0.1uF 0.1uF 5 4 3 ESD - Acer AL722 | AL722 Monitor Service Guide - Page 41
VSYNC1 BB3 49 48 47 46 45 44 43 42 41 40 39 38 28 27 26 25 24 23 22 21 20 19 18 17 15 14 13 12 10 9 8 7 MX_GA4 MX_GA5 MX_GA6 MX_GA7 MX_BA0 MX_BA1 MX_BA2 MX_BA3 MX_BA4 MX_BA5 MX_BA6 MX_BA7 MX_RB0 MX_RB1 MX_RB2 MX_RB3 MX_RB4 MX_RB5 MX_RB6 MX_RB7 - Acer AL722 | AL722 Monitor Service Guide - Page 42
10K 10K KEY-MINUS KEY-PLUS KEY-R KEY-L KEY-POWER 2 U9 35 EA/VP 21 XTAL1 20 XTAL2 10 22 RESET VSS 14 15 16 17 INT0/P3.2 INT1/P3.3 T0/P3.4 T1/P3.5 2 3 4 5 6 7 8 9 P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7 43 - Acer AL722 | AL722 Monitor Service Guide - Page 43
34 33 35 VCC VCC VCC R_FB GND GND GND GND GND 1 9 26 17 5 13 21 29 53 MYSON_CS5824 RB4 RB5 RB6 U12 C GB[0..7] GB[0..7] BB R52) ---> FUJITSU "FLC44SXC8V" +5V(R52) ---> hynix"HT17E11-100" +5V(R52) ---> Acer"L170E3-1" 12 1 DTC124EK SOT-23B + C128 + C111 1000uF/6.3V# 1000uF/16V R53 4.7K - Acer AL722 | AL722 Monitor Service Guide - Page 44
1 2 3 4 5 6 7 8 A A B Power input (+12V,+5V) CN8 1 2 3 4 E&T 96118-0413 C R55 10K# 1 2 1 2 1 2 L15 BLM21P300S RC0805D 1 2 + C113 100uF/16V 1 12VCC C114 0.1uF 12VCC 2 L16 BLM21P300S RC0805D 1 2 + C115 100uF/16V 1 5VCC C116 0.1uF 5VCC 2 REGULATOR +5V->3.3V 5VCC U14 - Acer AL722 | AL722 Monitor Service Guide - Page 45
\\M-id\ART1\ MANUAL\service\AB QUANTITY REQUIRED DWG.NO. 461A70 REV. 1E C NO. PART NO. DESCRIPTION SPECIFICATION 30 30 30 30 30 001 002 011 012 013 REMARKS # 461A7030001 - Acer AL722 | AL722 Monitor Service Guide - Page 46
QUANTITY REQUIRED DWG.NO. 461A70 REV. 1E C NO. PART NO. DESCRIPTION SPECIFICATION 30 30 001 011 REMARKS # 451A7030001 PCBA CTRL/B VL-710 LCM57BF 1D # 451A7030011 PCBA CTRL/B VL-710 LCM67BY 1D 1 431A7030001 SMT CTRL/B 2 431A7030011 SMT CTRL/B 3 BD111P0M100 SRYSTAL 4 - Acer AL722 | AL722 Monitor Service Guide - Page 47
IC 11 SA882500100 S IC 12 SB1103600T3 SM TRANSISTOR 13 SB944350100 SM TRANSISTOR 14 SBX012400T0 SM TRANSISTOR 15 SC10QS042T4 S DIO 16 SD0010000T4 CHIP RES. 17 SD0020000T8 CHIP RES. 18 SD0130000T4 CHIP RES. 19 SD0131001T6 CHIP RES. 20 SD0131002T3 CHIP RES. 21 SD0131004T8 CHIP RES. 22 SD0131500T6 CHIP - Acer AL722 | AL722 Monitor Service Guide - Page 48
QUANTITY REQUIRED DWG.NO. 461A70 REV. 1E C NO. PART NO. DESCRIPTION SPECIFICATION 30 30 001 011 REMARKS 57 57 - - - C114 C116 C119 C120 C121 C122 C123 C124 C125 C126 C127 C13 C14 C21 C22 C23 C24 C25 C26 C27 C28 C29 C30 C31 C32 C33 C35 C36 C37 C38 C39 C40 C43 C46 C47 C48 C49 - Acer AL722 | AL722 Monitor Service Guide - Page 49
IC 11 SA882500100 S IC 12 SB1103600T3 SM TRANSISTOR 13 SB944350100 SM TRANSISTOR 14 SBX012400T0 SM TRANSISTOR 15 SC10QS042T4 S DIO 16 SD0010000T4 CHIP RES. 17 SD0020000T8 CHIP RES. 18 SD0130000T4 CHIP RES. 19 SD0131001T6 CHIP RES. 20 SD0131002T3 CHIP RES. 21 SD0131004T8 CHIP RES. 22 SD0131500T6 CHIP - Acer AL722 | AL722 Monitor Service Guide - Page 50
QUANTITY REQUIRED DWG.NO. 461A70 REV. 1E C NO. PART NO. DESCRIPTION SPECIFICATION 30 021 REMARKS C27 C28 C29 C30 C31 C32 C33 C35 C36 C37 C38 C39 C40 C43 C46 C47 C48 C49 C51 C52 C53 C54 C55 C64 C67 C68 C69 C72 C74 C75 C76 C80 C81 C82 C83 C84 C85 C86 C88 C90 C92 C94 C96 C98 - Acer AL722 | AL722 Monitor Service Guide - Page 51
A 4 3 2 B C D E 4 J1 AudioBoard 11 10 connector 9 8 7 6 5 4 3 2 1 LOUT ROUT L_EAR R_EAR LIN_2 RIN_2 LIN_1 RIN_1 MUTE J2 4 2 7 3 LI1 LI2 RI1 RI2 LO NC RO GND 5 6 8 1 SCJ-0348-C 22 1 1 D2 HZ9A2 D3 HZ9A2 22 D4 D5 J3 1 2 ACES_87502_0200 STRAIGHT/2.5 J4 1 2 - Acer AL722 | AL722 Monitor Service Guide - Page 52
\\M-id\ART1\ MANUAL\service\AB C NO. PART NO. DESCRIPTION SPECIFICATION QUANTITY REQUIRED DWG.NO. 454A81 REV. 0A 30 001 REMARKS # 454A8130001 PCBA KEY/B VK-715 LAM67BT 0A 1 BC40HZ9A2T6 ZENER - Acer AL722 | AL722 Monitor Service Guide - Page 53
Q805 KAG (To Audio AMP) A G K + + + + - Acer AL722 | AL722 Monitor Service Guide - Page 54
PH1 BOTTOM VIEW VR use 50K ohm (To DC-DC) 3 COLLECTOR 2SC2411K + SOT-23B 2 BASE 1 EMITTER + + (To DC-DC) + + + + + + - Acer AL722 | AL722 Monitor Service Guide - Page 55
\\M-id\ART1\ MANUAL\service\AB QUANTITY REQUIRED DWG.NO. 455A33 REV. 1H C NO. PART NO. DESCRIPTION SPECIFICATION 30 30 66 011 021 001 REMARKS # 455A3330011 PCBA AUDIO/B VM-517 - Acer AL722 | AL722 Monitor Service Guide - Page 56
SD0021000T2 CHIP RES. 12 SD0021001H0 CHIP RES. 13 SD0023301T5 CHIP RES. 14 SD0025101T3 CHIP RES. 15 SD0025102T1 CHIP RES. 16 SD008220201 CHIP RES. 17 SD0089101T3 CHIP RES. 18 SD011100BT7 CHIP RES. 19 SD0111500T9 CHIP RES. 20 SD0131001T6 CHIP RES. 21 SD0132200T4 CHIP RES. 22 SD013330AT4 CHIP RES. 23