Acer H236HL Service Manual Download Page 8 | Manualshive

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1.3.1 Interface Connectors:

1.3.1.1 Power Adaptor and Connector:

The AC inlet connector shall be an IEC 320-C13 male power receptacle 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 - S U B

B. DVI

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Summary of Contents for H236HL

Page 1: ...ACER_LCD_H236HL_SM20120924V0 ...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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 ...

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

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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...

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

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

Page 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...

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

Page 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...

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

Page 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 ...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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 ...

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

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

Page 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 ...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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 ...

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

Page 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 ...

Page 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 ...

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

Page 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 ...

Page 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 ...

Page 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 ...

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

Page 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 ...

Page 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 ...

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

Page 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 ...

Page 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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_...

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

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