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31

 

5. Troubleshooting

 

1. No 

Power 

 

Check Power “On/Off” 

is “On”? 

Replace main board and check connections 

Check the LED 
indicate is OK? 

Check the AC power   

Replace the power board and check connections 

OK 

NG 

OK 

NG 

NG 

Turn on the Power “On/Off” switch 

Replace key board and check connections 

NG 

OK 

NG 

No power

 

Check power cable is 

tightened or adapter is 

ok? 

Re-plug the power cable or 
replace the adapter 

Содержание H236HL

Страница 1: ...ACER_LCD_H236HL_SM20120924V0 ...

Страница 2: ...3 5 Troubleshooting 31 6 Firmware Upgrade Process 35 7 Writing EDID Process 43 8 FRU Field Replaceable Unit List 50 9 Schematics and Layouts 52 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 containing high voltage ...

Страница 3: ...ethod may damage equipment 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 T o 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 T o pre...

Страница 4: ...in vertical stripes Gray scale or the brightness of the sub pixel color is determined with a 8 bit gray scale signal for each dot thus presenting a palette of more than 16 7M colors with Advanced FRC Frame Rate Control It has been designed to apply the interface method that enables low power high speed low EMI FPD Link or compatible must be used as a LVDS Low Voltage Differential Signaling chip It...

Страница 5: ...LWH 200 250 cd m2 2 Luminance Variation WHITE 75 3 Response Time Gray to Gray GTG 14 28 ms 4 Color Coordinates CIE1931 By PR650 RED Rx Typ 0 03 0 638 Typ 0 03 Ry 0 334 GREEN Gx 0 309 Gy 0 627 BLUE Bx 0 153 By 0 073 WHITE Wx 0 313 Wy 0 329 Viewing Angle CR 10 x axis right 0 r 85 89 Degree 5 x axis left 180 l 85 89 y axis up 90 u 85 89 y axis down 270 d 85 89 Crosstalk 1 5 6 ...

Страница 6: ...o of 32 linear distributed gray scales 0 700mv can be distinguished Color temperature 6500 K Brightness control The value under user mode Analog Input signal 700 mVss Picture position and size Factory preset value Viewing angle 90 H and V Viewing distance 40 cm for LCD performance 20 cm for LCD failures Ambient illumination Dark room 1 cd m2 1 2 2 T est Equipment CHROMA 6630 1 3 Electrical This se...

Страница 7: ...ime 14ms Typ 28ms max Luminance of White 250 cd m2 Input Separate Sync H V TTL H Frequency 30kHz 83kHz V Frequency 56 75Hz Viewing angle H 178 V 178 typ H 170 V 170 Min CR 10 Display mode 1920 x 1080 60 Hz EPA ENERGY STAR ON Mode 48W OFF Mode 2W Power Source 100 V 240 V 50 3Hz 60 3Hz Environmental Considerations Operating Temp 0 to 40 C Storage Temp 20 to 60 C Operating Humidity 15 to 90 Storage H...

Страница 8: ...for connection to mains power The power cord shall be gray or black with length of 1 5m 10cm 0cm The power cord type is different from regions The adapter output cable length of 1500 36mm voltage is 19v and current is 2 1A 1 3 1 2 Analog Connector and Cable The analog signal cable shall be Gray or black and 1 5m 10cm 0cm A D SUB B DVI ...

Страница 9: ...ol Description Notes 1 FB1 Channel1 Current Feed Back 2 FB2 Channel2 Current Feed Back 3 NC No connection 4 NC No connection 5 VLED LED Power Supply 6 VLED LED Power Supply 7 NC No connection 8 NC No connection 9 NC No connection 10 FB3 Channel3 Current Feed Back ...

Страница 10: ...8 F Flat Panel Connector Connector CN406 ...

Страница 11: ...of a horizontal line HS may be either active high or active low according to the timing The Vertical Sync VS TTL signal is used to initiate the display of a new frame VS may be either active high or active low according to the timing 1 3 2 4 Sync Signal Levels Level L 0V 0 8V H 2 4V 5V 1 3 2 5 Abnormal Signal Immunity The monitor shall not be damaged by improper sync timing pulse duration absence ...

Страница 12: ...s to select the desired function 3 Press to change the settings of the current function 4 When First menu is on press Input key to change source 3 Volume 1 Activate OSD First menu when OSD is OFF 2 Press to select the desired function 3 Press to change the settings of the current function 4 When First menu is on press AUDIO key to select audio 4 Menu Enter 1 Activate OSD First menu when OSD is OFF...

Страница 13: ...tuguese Japanese Chinese Chinese Simplify Brazilian Portuguese Signal Input Select and DDC CI Control Display Information Factory Reset Exit D OSD Control Factory Default Values eColor mode Stand rd Brightness 100 Contrast 50 ACM Off Color Warm Lan uage English OSD H pos 50 OSD V pos 50 OSD Timeout 10s DDC CI On User R G B 50 50 50 Volume 70 1 3 4 Monitor Modes and Timing Capability 1 3 4 1 Format...

Страница 14: ... 100 110 mA 1 2 5 LED String Voltage Vs 46 4 49 6 52 8 V 1 5 Power Consumption PBar 14 9 15 8 Watt 1 2 4 LED Life Time LED_LT 30 000 Hrs 3 1 4 4 Defects 1 4 4 1 Defect T erminology Dark Spots Lines Spots or lines that appear dark in the display patterns and are usually the result of contamination Defects do not vary in size or intensity contrast when contrast voltage is varied Contrast variation c...

Страница 15: ...cell thickness Mottling When the unit lights variation non uniformity splotch appears light white with the display and might vary in size Dim Line When the unit lights line s in the minor vertical or major horizontal axis appear dim but not completely on or off Cross Lines Off When the unit lights lines in both the minor and major axis do not appear Bright Dark Dot A sub pixel R G B dot stuck off ...

Страница 16: ...nse time is defined as the following figure and shall be measured by switching the input signal for each gray to gray 1 5 4 Viewing angles Viewing angle is the angle at which the contrast ratio is greater than 10 or 5 The angles are determined for the horizontal or x axis and the vertical or y axis with respect to the z axis which is normal to the LCD surface For more information see FIG 8 1 6 Env...

Страница 17: ...15 1 7 Mechanical and Packing Monitor Packed Monitor Width 531 40mm 613 mm Height 402 21mm 118 mm Depth 173 44mm 413mm Weight 3 55KG 5 1144 KG Dimension mm ...

Страница 18: ... audio 4 Menu Enter 1 Activate OSD First menu when OSD is OFF 2 Activate de activate adjustment function when OSD is ON 5 Auto Exit 1 Activate OSD First menu when OSD is OFF 2 When OSD menu is in active status this button will act as EXIT KEY EXIT OSD menu 3 When exit eColor OSD it will activate the Auto Adjustment function automatically 6 Empowering 1 Activate OSD First menu when OSD is OFF 2 Tri...

Страница 19: ...17 Picture OSD Setting Information ...

Страница 20: ...18 2 3 2 Key operation Key define ...

Страница 21: ... Supported When the Hsync Frequency Vsync Frequency or Resolution is out of the monitor support range will show this message This message will be flying Cable Not Connected When the video cable is not connected will show this message This message will be flying with orange LED and mute after about 60Secs No Signal When the video cable is connected but the is no active signal input will show this m...

Страница 22: ...20 3 Exploded Diagram 3 1 Product Exploded Diagram ...

Страница 23: ... board o backlight F95G176H 10358 50 LX1M2 001 5 WIRE HARNESS 6P 6P 200mm XINYA main board to key board F95G8014 6X140 50 LX1M2 003 6 FFC CABLE 30PIN 299MM P1 0MM KOTL main board to panel F95G179J30N259 50 LX1M2 002 7 KEYPAD BOARD KEPCCQYO 55 LX1M2 002 8 STAND ASSY 705GFACS308 60 LX1M2 002 9 CONVERSION G5757 M0B 000 0040 2 120717 CBPCCT7ABQD 55 LX1M2 001 10 Mainframe A15G1793201 33 D2GM2 001 11 re...

Страница 24: ...22 3 2 Packing Exploded Diagram ...

Страница 25: ...d Disassembly Procedures 4 1 Assembly Procedures Prepare a main board a mian frame Assemble every part as the below picture Turn over the main board and Lock screws Turn over the main board and lock the four screws S1 ...

Страница 26: ...Assemble the bezel and panel Insert the FFC cable lower left the panel then stick the yellow tape as follow Put the middle frame assy in front of the panel and insert the LVDS cable lower the panel Lock the nine screws in front of the middle frame S2 ...

Страница 27: ...he Key board in front of the key and connect the FFC cable Connect all kind of cables as follow Put the mainframe along the mark Assemble rear cover and lock the two screws S4 S3 Connect to Speaker Speaker Marked 22 and 23 Align to 23 Align to 3 ...

Страница 28: ...26 Prepare a Stand a Hinge and a Base Put the hinge into the slot Base assy Assemble the stand ass y and the base S5 ...

Страница 29: ...ssembly procedures Put the monitor on a protective cushion Unscrew the screw as the below picture Pull out the stand ass y Unscrew the two screws and then open all latches with tool Remove the rear cover S1 S3 S2 ...

Страница 30: ...28 Tear out all tapes on the main frame and romove the main frame key board and the speaker S4 ...

Страница 31: ...29 Remove out the panel bezel middle frame Uscrew the nine screws in front of the middle frame Disconnect two cables S5 ...

Страница 32: ...30 Separate the main board and I O Bracket Turn over the main board and unscrew the four screws Turn over the main board and unscrew the two screws S6 ...

Страница 33: ...ns Check the LED indicate is OK Check the AC power Replace the power board and check connections OK NG OK NG NG Turn on the Power On Off switch Replace key board and check connections NG OK NG No power Check power cable is tightened or adapter is ok Re plug the power cable or replace the adapter ...

Страница 34: ...ideo Power LED Blue Press the power button is OK Check the LVDS FFC cable or panel Re plug the cable NG OK OK Replace the main board Replace the LVDS FFC cable or panel NG Replace the key board NG Check the main board and connection OK ...

Страница 35: ...ry mode Set to the optimal frequency select the recommended frequency Pull out signal cable and check Self Test Feature Check is ok Check the signal cable and the PC Readjust the phase and pixel clock in the user mode Replace the main board Replace the panel NG NG NG OK NG NG OK The end OK NG ...

Страница 36: ...r shift Replace the signal cable Pull out the signal cable and check the screen color display is normal The end Replace the signal cable or PC Reset the factory mode In the user mode set the color settings until customer satisfy Replace the main board NG OK NG OK NG ...

Страница 37: ...l elow apply t ls list ISP PC USB 6 to the mode P JIG 715GT C port driver Firmwar el H236HL T089 B C re Upgrad Mo ISP tool V de Proce V TPV P N onitor V1 7 Beta2 ess VGA cable N 089G728 TPV P GAA DB USB cable P N 089G17 New F W 758 X ...

Страница 38: ...he USB cable to PC USB port will pop up a Hardware Wizard to help you install the USB driver if you use this ISP board first time You can install it successfully as the below instruction step by step Remark The USB driver files path D FTC100103 Mstar FTCUSB INF ...

Страница 39: ...37 Click Finish to complete the USB serial port driver installation ...

Страница 40: ...6 4 6 4 6 4 4 Install th 4 1 Copy ISP 4 2 Double he ISP tool P tool in one click folder to install the ISP tool 38 ...

Страница 41: ...6 4 39 4 3 Double click to o run the ISP 6 P tool and co omplete as th he following s 5 steps 7 ...

Страница 42: ...6 4 4 5 Load th he F W you w want to upgra 7 ade 40 6 ...

Страница 43: ...urn it on S2 Pressing e and power on when the screen lights release the key and press MENU again to open the menu with F and select F to open factory menu S3 Restart the monitor And then open the user menu Factory reset will turn off Burn in mode Check this F W version 1 2 ...

Страница 44: ...eshooting 6 6 1 Can t Entry ISP Mode 1 Check the cables and ISP JIG are connected fluently 2 Click the usb driver installed correct 3 AC off the monitor for a while and retry it 4 Change ISP JIG or cable 5 Change PC ...

Страница 45: ...log DVI HDMI 7 1 Test Environment Preparation Hardware and Software Required LPT cable male to male VGA cable 12V DC adapter ISP Board 715GT034 B PC Monitor LPT port driver ISP tool TPVDDC20100901 exe EDID LPT cable male to male VGA cable 12V DC adapter ISP Board 715GT034 B ...

Страница 46: ...LPT port d P driver EDID PC D ISP tool TP Monitor PVDDC2010 00901 exe 44 ...

Страница 47: ...C after installation S2 Prepare the EDID written Change the EDID files name as below rule Anolog EDID wA dat DVI EDID wD dat HDMI2 EDID wH dat S3 Copy WA dat to one folder named as ACER S230WL which must contains config ini file S4 Copy ACER S230WL to DDC folder and put DDC and ISP tool together ...

Страница 48: ...46 S5 Double click the icon to open the tool S6 Click Loadfile to set the parameters Click Analog HDMI1 and HDMI2 Manufacturer ACR Product Code 02D7 Model Name ACER S230HL 1 2 3 4 ...

Страница 49: ...47 S7 Select the EDID folder as the below picture S8 Load EDID successful 1 2 ...

Страница 50: ...k the Only connect HDMI and Write SN and type in the 22 digit S N which must be the same as S N in the monitor s barcode S10 Click Program to start writing When the green PASS appear the process is finished 1 2 3 ...

Страница 51: ... S1 If can t write You could try to restart the monitor AC on the monitor and turn on it S2 If can t write Take apart the monitor and connect the 7pin of EEPROM to GND to diable write protection then write EDID one by one S3 If can t write Set the Burn in on last to try again ...

Страница 52: ... SERVICE PROVIDERS your Acer office may have a DIFFERENT part number code from 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 for repair and service of customer machines NOTE To scrap or to return the defective parts you should follow the local government ordinance or regulations on how to dispose i...

Страница 53: ...D ASSY 705GFACS308 60 LX1M2 002 CONVERSION G5757 M0B 000 0040 2 120717 CBPCCT7ABQD 55 LX1M2 001 Mainframe A15G1793201 33 D2GM2 001 rearcover A34G3022AEMA3B0100 60 LX1M2 001 STAND ASSY 705GFACS308 60 LX1M2 002 ...

Страница 54: ...VR D LGE E51 B 3 10 Friday August 03 2012 715G4951 M0D 000 0040 1 称爹 D SUB I O 715G4951 M0D 000 0040 1_110330 C102 47nF 16V ESD_VGA DDCSCL_A C113 100N16V DDCSDA_A VSIN0 HSIN0 ESD_DVI2 D103 NC BAV70 3 1 2 C120 NC SDA_DVI ESD_DVI2 ESD_DVI2 ESD_DVI 5V R131 10R 1 16W 5 R133 10R 1 16W 5 R136 10R 1 16W 5 R135 10R 1 16W 5 DET_DVI R138 10R 1 16W 5 HPD R137 10R 1 16W 5 R134 10R 1 16W 5 SCL_DVI R132 10R 1 1...

Страница 55: ...F1 119 VCCK 120 DDCSCL3 GPIO AUX_CH_P1 121 DDCSDA3 GPIO AUX_CH_N1 122 DDCSCL2 GPIO AUX_CH_P0 124 DDCSDA2 GPIO AUX_CH_N0 123 RESETB 125 GPIO PWM1 SPDIF2 126 PA8 LVA0P PA 0 9 PA7 LVA1M LVACKM PA3 PA1 LVA3M C417 100N16V U403 NC M24C16 A0 1 A1 2 A2 3 GND 4 SDA 5 SCL 6 WP 7 VCC 8 PA9 LVA0M C151 NC 10PF 50V R482 22K 1 16W 5 LVACKP PA2 R410 3 9K1 16W R430 6 2KOHM 1 1 10W R425 0R05 1 16W R428 10K 1 16W 5 ...

Страница 56: ...29 30 C144 NC R714 10K 1 1 10W R715 53 6KOHM 1 1 10W C714 100pF 50V R713 NC C731 22pF 50V R726 30Kohm 1 16W 5 C722 2N2 50V R705 22K 1 16W 5 modify for 19V C728 1uF 25V R712 150K 1 16W 5 5V 3 4 5 6 9 SOT 252 BKLT_EN 9 BKLT_VBR1 9 FB701 BEAD 1 2 C732 10uF 25V 19V 9 10 C713 1uF 25V FB702 120OHM 1 2 Q701 LMBT3904LT1G L701 22UH C706 NC 22uF 10V C718 100UF 35V VCC3 3 6 C721 100N16V Adj_BACKLIGHT 6 on_BA...

Страница 57: ... 2 5V_AUDIO R606 100R 1 16W 5 VOL C618 NC 220pF 50V C605 10uF 10V R610 22K 1 16W 5 R622 NC 100K 1 16W 5 SE C624 1uF 16V ZD602 RLZ5 6B 1 2 VOL R626 NC 30K OHM 1 1 16W OUT R FB609 600R 200mA 1 2 AIN_R C628 100nF 50V C610 NC 680pF 50V AIN_L VOLUME 6 C631 1uF 16V C617 NC 220pF 50V 5V_AUDIO OUTR FB606 120OHM 1 2 ZD601 RLZ5 6B 1 2 R617 NC 15K 1 16W 5 FB603 120OHM 1 2 R 5V_AUDIO ZD603 RLZ5 6B 1 2 C622 0 ...

Страница 58: ... P V Top Victory Electronics Co Ltd Key Component 絬 隔 瓜 絪 腹 acer A Acer S236HL key pad A4 2 2 Monday May 14 2012 称爹 02 KEY ZD006 NC MLVS0402M04 1 2 ZD007 NC MLVS0402M04 1 2 ZD008 NC MLVS0402M04 1 2 MENU ZD001 NC MLVS0402M04 1 2 MENU LBADC2 0 V ECOLOR LBADC1 GND VOL VOL 0 65 V 1 1 V 1 1 V GND 0 V AUTO SW001 SW 1 2 3 4 5 R002 2K 1 16W ECOLOR LED_RED CN001 CONN 1 2 3 4 5 6 7 8 SW002 SW 1 2 3 4 5 LED_...

Страница 59: ...57 9 2 Layouts Main Board 715G5757M0D000004L Key Board 715G5673K01000004Q ...

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