Acer AL501 AL501 Monitor Service Guide
Acer AL501 Manual
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Acer AL501 manual content summary:
- Acer AL501 | AL501 Monitor Service Guide - Page 1
Engine (Zoom)...20 E. Power Regulator...20 9. INTRODUCTION ...21 A. Front Panel Control And Led ...21 B. Rear Panel Connector Input Signals ...22 10.TROUBLESHOOTING...23 A. Main Procedure ...23 APPENDIX A: PARATS LISTS 28 APPENDIX B: DISPLAY UNIT ASSEMBLY 35 APPENDIX C: P.C.B.A ASSEMBLY 40 1 - Acer AL501 | AL501 Monitor Service Guide - Page 2
mm 228.1 mm Up 40deg down 45deg (TYP) Left 60deg, Right 60deg (TYP) CR > 10 Display Colors: Power Supply: Power Consumption: Environmental: 6-bits driver AC 100 to 240V worldwide input, 50 / 60Hz Typical: 25W on mode +10 / -25% Operating temperature: 0ºC to 50ºC Storage temperature: -20ºC to 65 - Acer AL501 | AL501 Monitor Service Guide - Page 3
B. CONTROLS B-1 Control panel (monitor front panel) 1. Power LED, ( Please refer to C-2 LED definition table) 2. Adjust decrease. 3. Adjust increase 4. Function select counter-clockwise. 5. Function select clockwise. 6. Power ON/OFF switch, - Acer AL501 | AL501 Monitor Service Guide - Page 4
C-2 LED definition Table State On mode Stand-by Suspend Off mode DC power off disconnection Green Yellow Yellow Yellow Dark 1. Yellow(stand-by; suspend; off mode) 2. LED Dark (DC power off) LED C-3 Power Consumption Meet VESA DPMS Proposal On mode 25 Wmax Stand-by 5 Wmax Suspend 5 Wmax Off mode 5 - Acer AL501 | AL501 Monitor Service Guide - Page 5
D. Display Modes FOR Inspections D-1 Supported Timing(for Not supported timing will go to power saving mode)T TIMING FH(KHZ) FV(HZ) SYNC POLARITY TOTAL (DOT/LINE) ACTIVE (DOT/LINE) BACK FRONT SYNC PORCH PORCH - Acer AL501 | AL501 Monitor Service Guide - Page 6
2. ADJUSTMENT CONDITIONS A. Measuring Apparatuses Used Necessary measuring equipment that for the adjustment of LA-1221JMW's MAIN PWB are following items. Adjusted Video Generator. Oscilloscope (more than 4 channels required) DC voltmeter B. Input Signal Input signal by using video signal generator - Acer AL501 | AL501 Monitor Service Guide - Page 7
D-sub port to optimum LCD timing signals so as to construct a high display quality LCD monitor. B. Features • On board sage chip to detect display timings and control user functions. • screen expansion function on non-XGA mode(Auto-Zoom). • Support VESA DPMS function. • Support DDC2B functions. 7 - Acer AL501 | AL501 Monitor Service Guide - Page 8
with smaller memory requirements. Other features include a brand new high-end scaler, Active Color Management, a flexible OSD, Autoadjust, SureSyncTM and independent monitoring of the analog interface. A new standalone on-chip pattern generator has been incorporated to simplify the manufacture of - Acer AL501 | AL501 Monitor Service Guide - Page 9
D. Connector Locations E. Connector Type Location CN1 J2 J3 CN3 CN2 Type DZ11A91-L8 P1.524 96113-1003 96113-0703 98210-4011 98210-4011 Maker FEMALE E&T E&T E&T E&T Number of pins 15 10 7 40 40 9 - Acer AL501 | AL501 Monitor Service Guide - Page 10
F. Connector pin assignment F-1 CN1 Pin NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Signal R-Video G-Video B-Video Ground Ground Ground Ground Ground 5V-DCC NC Ground DDC-SDA HS VS DDC-SCL Comment Red Video Input. Green Video Input. Blue Video Input. Ground Ground Ground. Ground. Ground DDC Power Input. - Acer AL501 | AL501 Monitor Service Guide - Page 11
Odd-dot Red Data bit 1 Odd-dot Red Data bit 0 (LSB) Ground Pixel Clock Input Ground Ground No connecting No connecting Gate Driver High Voltage Input No connecting Gate Driver Low Voltage Input No connecting Gate Driver Common Voltage Input No connecting No connecting No connecting Ground Ground 11 - Acer AL501 | AL501 Monitor Service Guide - Page 12
Signal Ground Ground Vertical start Pulse1 Vertical start Pulse2 Vertical Clock Input Gate Driver Output Enable Signal Ground Ground 2 3 4 5 6 7 8 9 10 Ground Pixel Clock Input Ground Ground Horizontal start Pulse Source Driver Latch Pulse 32 REV 33 34 35 36 37 38 GND GND STV1 STV2 CPV OE - Acer AL501 | AL501 Monitor Service Guide - Page 13
amplifier control signal (No use) Brightness Adjustment. Signal NONE LED-Y LED-G GND KEY-UP KEY-Down KEY-R KEY-L KEY-POWER GND 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 Comment - Acer AL501 | AL501 Monitor Service Guide - Page 14
6. VK-531 Control Panel Board A. Description The VK-531 is designed to offer an user interfaced control panel which passes and receives signals to and from VP-531 power board . B. Connector and Switch Locations C. Connector type Location J5 Type 96113-1013 Maker E&T Number of pins 10 14 - Acer AL501 | AL501 Monitor Service Guide - Page 15
D. Connector pin Assignment D-1 J5 Pin NO. 1 2 3 4,10 5 6 7 8 9 Signal NONE LED-Y LED-G GND KEY-UP KEY-DOWN KEY-R KEY-L KEY-PWR Power saving mode. Monitor on mode. Ground Function select up to VL-531 Function select down to VL-531 Function select right to VL-531 Function select left to - Acer AL501 | AL501 Monitor Service Guide - Page 16
D-2 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 D-3 LED definition Location D1 Definition Green for ON mode; Yellow for DC power off; stand by; suspend and off mode. - Acer AL501 | AL501 Monitor Service Guide - Page 17
7. VP-531 POWER BOARD A. Description The VP-531 power board is designed for lighting up the back-lights of LCD module. B. Electrical characteristics B-1 FOR HANNSTAR PANEL MIN. INPUT VOLTAGE INPUT CURRENT 11.4V -------TYP. 12V 0.85A MAX. 12.6V 1A Vin=12V MAX. BRIGHTNESS COMMENT NO LOAD BACKLIGHT - Acer AL501 | AL501 Monitor Service Guide - Page 18
C. Connector locations C-1 Connector type VP-531 Location Type J920,J960 J3 J801 SM02 (8.0)B-BHS-1 96113-0702 SCD-014-I Maker JST E&T SC Number of pins 2 7 2 18 - Acer AL501 | AL501 Monitor Service Guide - Page 19
C-2 Connector pin assignment C.2.1 J920 & J960 VP-531 Pin NO. Signal 1 2 LV HV Comment Low voltage (common) High voltage for lamp C.2.2 J3 Pin NO. 1,2 5 3,4 6 7 Signal Vcc Ven GND MUTE1 Vbr: Comment +5V Back-light ON/OFF control , high active(3.3V) Audio mute (No use) BRITE Brightness (0-3.4V) - Acer AL501 | AL501 Monitor Service Guide - Page 20
XTAL. B. Circuit 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. SDATA and VCLK are input to U4 (24LC21A). C. System Clock The Y1 (14.318MHz XTAL - Acer AL501 | AL501 Monitor Service Guide - Page 21
Control and Led Front Panel Controls Item 1 Control DC Power Switch Function Press the power switch to switch the monitor ON/OFF. LED lights Green color --- Power is ON. LED lights Yellow --- Monitor is in "Power Saving Mode". LED is off --- Power is OFF. Press either left or right control button - Acer AL501 | AL501 Monitor Service Guide - Page 22
B. Rear Panel connector Input Signals Rear Panel Cable and Connector Item Cable / Connector Function 1 2 Signal Connector Power Connector Connectors the video cable Connectors the adapter cable 22 - Acer AL501 | AL501 Monitor Service Guide - Page 23
10. TROUBLESHOOTING A. Main Procedure 23 - Acer AL501 | AL501 Monitor Service Guide - Page 24
A-1 Power Circuit Troubleshooting 24 - Acer AL501 | AL501 Monitor Service Guide - Page 25
A-2 Backlights Troubleshooting 25 - Acer AL501 | AL501 Monitor Service Guide - Page 26
A-3 Performance Troubleshooting 26 - Acer AL501 | AL501 Monitor Service Guide - Page 27
A-4 Function Troubleshooting 27 - Acer AL501 | AL501 Monitor Service Guide - Page 28
APPENDIX A: PARTS LISTS 28 - Acer AL501 | AL501 Monitor Service Guide - Page 29
A. FRU BOM A-1 453A5730021 --PCBA Inverter board A-2 454A6930011 --PCBA Key/Board 29 - Acer AL501 | AL501 Monitor Service Guide - Page 30
A-3 461A5730052 --Firmware Ctrl board 30 - Acer AL501 | AL501 Monitor Service Guide - Page 31
20 4SA002610000 1 2 56 61 127 128 129 130 131 132 Line Model LVS558 Usage Description 1DIS A51 1PCBA INVERTER/B 1PCBA KEY/B 1FIRMWARE CTRL/B COVER (A51) 1LCD BEZEL A'SSY (A51) 1STAND NECK 1RATING NP 1CARTON 1USER'S MANUAL 1ENERGY STAR LABEL 1PE BAG 1CD-ROM 1CB ASY 1POWER CORD SET 1AC ADAP 1STAND - Acer AL501 | AL501 Monitor Service Guide - Page 32
3FCVS5521000 2EJ4VS580100 2HB2VS580100 2HDABOVS5800 Model LVS558 Usage Description 1DIS 1VESA MOUNTING 1LCD COVER 1LCD BEZEL A'SSY (ACE 1STAND NECK 1RATING NP-W/W 1CARTON 1USER'S MANUAL Spec LVS558HA TCO99 15" VP-531 LVS558 VK-531 LVS558 VL-531 LVS558HA(X8 HSD150SX82-C 15" - Acer AL501 | AL501 Monitor Service Guide - Page 33
HGTCO990000 HGTCO990100 HK3CM870100 DC190021100 PK100005310 FCVS5522000 FJVS5515000 FJVS5516000 SA009600000 SBF45320000 Model LVS558 Usage 1 1 1 1 1 1 1 1 2 VESA MOUNTING LCD COVER LCD BEZEL A'SSY (ACER) STAND NECK RATING NP-W/W CARTON USER'S MANUAL TCO99 (NOTICE SHEET) TCO99 LABEL TCO99 - Acer AL501 | AL501 Monitor Service Guide - Page 34
PK060000200 SA007810010 SA008100300 SA010840200 SA011170200 SA011170300 SA024160008 SA024210300 SA090500000 SA741250209 Model LVS558 Usage 1 1 1 1 1 1 1 1 2 2 1 1 1 1 1 1 1 1 LCD COVER LCD BEZEL A'SSY (ACER) STAND NECK RATING NP-W/W CARTON USER'S MANUAL TCO99 (NOTICE SHEET) TCO99 LABEL - Acer AL501 | AL501 Monitor Service Guide - Page 35
VESA MOUNTING LCD COVER LCD BEZEL A'SSY (ACER) STAND NECK RATING NP-PRC CARTON USER'S MANUAL TCO99 (NOTICE SHEET) TCO99 LABEL TCO99 LABEL 2 2 Part LVS558HA201 453A5730021 454A6930011 461A5751053 AC600019000 DA3S558V210 DC020147800 DC020148600 Model LVS558 Usage 1 1 1 1 1 1 1 1 Description - Acer AL501 | AL501 Monitor Service Guide - Page 36
VESA MOUNTING LCD COVER (A51) LCD BEZEL A'SSY (A51) STAND NECK RATING NP CARTON USER'S MANUAL ENERGY STAR LABEL PE BAG CD-ROM CB ASY POWER CORD SET AC ADAP STAND BASE POLYLON(T) 150 2EJ4VS580300 151 2HB2VS580100 152 2HDABOVS5800 Model AL501 Usage Description 1DIS ABO 1PCBA - Acer AL501 | AL501 Monitor Service Guide - Page 37
2HF6TCO99000 2HGTCO990000 2HGTCO990100 2HK3CM870100 1DC190021100 1PK100006810 160 2FCVS5522000 161 2FJVS5515000 162 2FJVS5516000 Top 20 1 4SA009600000 2 4SBF45320000 3 4SC4LZ62C0T1 4 4SE013333KT0 5 4SP051005900 6 3DE611000607 7 5PK060000200 8 5SA007810010 9 5SA008100300 10 5SA010840200 11