Acer H236HL Acer H236HL Monitor Service Guide
Acer H236HL Manual
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Acer H236HL manual content summary:
- Acer H236HL | Acer H236HL Monitor Service Guide - Page 1
ACER_LCD_H236HL_SM20120924V0 - Acer H236HL | Acer H236HL Monitor Service Guide - Page 2
4. Assembly and Disassembly Procedures ...23 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 - Acer H236HL | Acer H236HL Monitor Service Guide - Page 3
service procedures. NOTICE: ! To 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 Lead-Free solder to well mounted the parts. ! The fusion point of Lead-Free solder requested in the degree - Acer H236HL | Acer H236HL Monitor Service Guide - Page 4
. It has a 23.0 inch diagonally measured active display area with Full HD resolution (1080 vertical FRC(Frame Rate Control). It has been designed to apply the interface method that enables low power, high speed intended to support applications where thin thickness, wide viewing angle, low power are - Acer H236HL | Acer H236HL Monitor Service Guide - Page 5
3 Optical Characteristics Parameter Symbol Contrast Ratio CR Surface Luminance white Luminance Variation Response Time (Gray to Gray) LWH WHITE GTG Rx RED Ry Gx Color Coordinates GREEN Gy [CIE1931] (By PR650) Bx BLUE By Wx WHITE Wy Viewing Angle (CR>10) x axis, right(=0°) r x - Acer H236HL | Acer H236HL Monitor Service Guide - Page 6
. Warm up time AC supply voltage Ambient temperature Humidity Display Hz 20C 5C 65% 20% 1920 x 1080, 60 Hz, Pixel Clock：148.5MHZ,all white Set to "User" mode Set to The value under user the monitor. Below is the block diagram. Led drive Flat Panel and LED backlight Main Board Speaker 19V - Acer H236HL | Acer H236HL Monitor Service Guide - Page 7
board is used for OSD control, monitor power ON/OFF and the LED indicator for power status. LCD Panel Driving system Pixel Display mode 1920 x 1080, 60 Hz EPA ENERGY STAR® ON Mode OFF Mode < 48W < 2W Power Source Environmental Considerations Peak surge current Power line surge 100 V ~ 240 - Acer H236HL | Acer H236HL Monitor Service Guide - Page 8
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 150036mm,voltage is - Acer H236HL | Acer H236HL Monitor Service Guide - Page 9
1 FB1 2 FB2 3 NC 4 NC 5 VLED 6 VLED 7 NC 8 NC 9 NC 10 FB3 Description Channel1 Current Feed Back Channel2 Current Feed Back No connection No connection LED Power Supply LED Power Supply No connection No connection No connection Channel3 Current Feed Back Notes - Acer H236HL | Acer H236HL Monitor Service Guide - Page 10
8 F. Flat Panel Connector Connector: CN406 - Acer H236HL | Acer H236HL Monitor Service Guide - Page 11
terminated at the monitor. These video signals are analog levels, where 0V corresponds to black, and 700mV is 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 Power On/Off Switch: The monitor shall have a power control - Acer H236HL | Acer H236HL Monitor Service Guide - Page 12
Display: On Screen Display system shall be used to control the monitor. Current setting will be saved and OSD will be tuned off when the keys are not touched for a period of time. A) Key Function Overview: All functions are controlled by OSD buttons on the front of bezel. 1.Power Switch/ Power LED - Acer H236HL | Acer H236HL Monitor Service Guide - Page 13
H.pos OSD V.pos OSD Timeout DDC/CI User R/G/B Volume Stand rd 100 50 Off Warm English 50 50 10s On 50/50/50 70 1.3.4 Monitor Modes and Timing Capability: 1.3.4.1 Format and Timing: The monitor shall synchronize with any vertical frequency from 56 to 75 Hz, and with any horizontal frequency from 30 - Acer H236HL | Acer H236HL Monitor Service Guide - Page 14
Panel: 1.4.1 General Requirements: The panel shall be a FULL HD resolution 23" diagonal TFT-LCD. 1.4.2 Polarizer Hardness: The front String Current Is - 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 - Acer H236HL | Acer H236HL Monitor Service Guide - Page 15
to the following formula: With Y1 to Y9 as the brightness values with all pixels white at the 9 measurement Positions. Contrast and Brightness set to Max. 1.5.2 Contrast ratio (CR): 1.5.2.1 General CR: The values specified are at an approximate distance 50cm from the LCD surface at a viewing angle - Acer H236HL | Acer H236HL Monitor Service Guide - Page 16
pixels 1.5.3 Response time: Response time is the time required for the display to transition from black to white (Decay Time, TrD) and from white to black (Rise Time, TrR) The sampling rate is 2,500 sample/sec. For additional information see FIG. 9. The response time is defined as the following - Acer H236HL | Acer H236HL Monitor Service Guide - Page 17
15 1.7 Mechanical and Packing: Width: Height: Depth: Weight: Monitor 531.40mm 402.21mm 173.44mm 3.55KG Dimension (mm): Packed Monitor 613 mm 118 mm 413mm 5.1144 KG - Acer H236HL | Acer H236HL Monitor Service Guide - Page 18
. 3) Press < to change the settings of the current function. 4) When First menu is on, press < (AUDIO) key to select audio 1) Activate OSD First menu when OSD 2) Trigger the acer eColor Management when first menu is active. 2.2 Function Menu: 1). Display Function Menu while user press any function - Acer H236HL | Acer H236HL Monitor Service Guide - Page 19
17 Picture OSD Setting Information - Acer H236HL | Acer H236HL Monitor Service Guide - Page 20
18 2.3.2 Key operation: Key define: - Acer H236HL | Acer H236HL Monitor Service Guide - Page 21
: a. Display Acer eColor Management OSD when user press "e" button at Function menu or trigger this function in OSD menu/picture page. b. Layout as following figure: 2.5 OSD Message: Item Description Auto Config When User Press Hot‐Key "Auto", will show this message, and the monitor do the auto - Acer H236HL | Acer H236HL Monitor Service Guide - Page 22
20 3. Exploded Diagram 3.1 Product Exploded Diagram: - Acer H236HL | Acer H236HL Monitor Service Guide - Page 23
subject to change without notice. H236HL Item Description LNT Part No. Acer Part No. 1 bezel A34G3021AEM-1B0100 42.LX1M2.001 2 0MM F95G179J30N259 50.LX1M2.002 7 KEYPAD BOARD KEPCCQYO 55.LX1M2.002 8 STAND ASSY 9 CONVERSION G5757-M0B-000-0040-2-120717 10 Mainframe 705GFACS308 CBPCCT7ABQD - Acer H236HL | Acer H236HL Monitor Service Guide - Page 24
22 3.2 Packing Exploded Diagram: - Acer H236HL | Acer H236HL Monitor Service Guide - Page 25
23 4. Assembly and Disassembly Procedures 4.1 Assembly Procedures: S1 Prepare a main board, a mian frame. Assemble every part as the below picture. ① Turn over the main board and Lock screws. ②Turn over the main board and lock the four screws. - Acer H236HL | Acer H236HL Monitor Service Guide - Page 26
and middle frame assy ① Assemble the bezel and panel. 24 ② Insert the FFC cable lower left the panel, then stick the yellow tape as follow ③ Put the middle frame assy in front - Acer H236HL | Acer H236HL Monitor Service Guide - Page 27
Mainboard: ① Put the Key board in front of the key and connect ② Connect all kind of cables as follow the FFC cable Marked 22 and 23 Connect to Speaker Speaker ③ Put the mainframe along the mark Align to 23 Align to 3 S4 Assemble rear cover and lock the two screws. - Acer H236HL | Acer H236HL Monitor Service Guide - Page 28
26 S5 Prepare a Stand, a Hinge and a Base ① Put the hinge into the slot Base assy Assemble the stand ass'y and the base - Acer H236HL | Acer H236HL Monitor Service Guide - Page 29
27 4.2 Disassembly procedures: S1 Put the monitor on a protective cushion. ① Unscrew the screw as the below picture ② Pull out the stand ass'y. S2 Unscrew the two screws and then open all latches with tool. S3 Remove the rear cover. - Acer H236HL | Acer H236HL Monitor Service Guide - Page 30
28 S4 Tear out all tapes on the main frame,and romove the main frame,key board and the speaker. - Acer H236HL | Acer H236HL Monitor Service Guide - Page 31
29 S5 Remove out the panel、bezel、middle frame. ①Uscrew the nine screws in front of the middle frame ② Disconnect two cables - Acer H236HL | Acer H236HL Monitor Service Guide - Page 32
30 S6 Separate the main board and I/O Bracket. ① Turn over the main board and unscrew the four ②Turn over the main board and unscrew the two screws. screws. - Acer H236HL | Acer H236HL Monitor Service Guide - Page 33
1. No Power 5. Troubleshooting No power Check power cable is tightened or adapter is ok? OK Check Power "On/Off" is "On"? NG Re-plug the power cable or replace the adapter NG Turn on the Power "On/Off" switch OK Check the LED indicate is OK? NG Check the AC power OK Replace the power board and - Acer H236HL | Acer H236HL Monitor Service Guide - Page 34
32 2. No Video (Power LED Blue) No Video (Power LED Blue) Press the power button is OK? OK Check the main board and connection OK Check the LVDS/FFC cable or panel NG Replace the key board NG Replace the main board NG Re-plug the cable OK Replace the LVDS/FFC cable or panel - Acer H236HL | Acer H236HL Monitor Service Guide - Page 35
33 3. DIM DIM (image overlap, focus or flicker) Reset in factory mode NG Set to the optimal frequency, select the recommended frequency NG Readjust the phase and pixel clock in the user mode NG Pull out signal cable and check "Self Test Feature Check" is ok? NG Replace the main board NG Replace - Acer H236HL | Acer H236HL Monitor Service Guide - Page 36
Miss color Color shift Replace the signal cable NG OK The end Reset the factory mode NG In the user mode, set the" color settings" until customer satisfy Pull out the signal cable and check the screen color display is normal? NG OK NG Replace the signal cable or PC Replace the main board - Acer H236HL | Acer H236HL Monitor Service Guide - Page 37
35 6. Firmware Upgrade Process The SOP as below apply to the model H236HL 6.1 Materials list ISP JIG: 715GT089-B/C VGA cable TPV P/N: 089G728 GAA DB PC Monitor USB cable TPV P/N: 089G1758 X USB port driver ISP tool: V1.7 Beta2 New F/W - Acer H236HL | Acer H236HL Monitor Service Guide - Page 38
6.3 Install USB driver. 6.3.1 When insert the 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 - Acer H236HL | Acer H236HL Monitor Service Guide - Page 39
37 Click "Finish" to complete the USB serial port driver installation. - Acer H236HL | Acer H236HL Monitor Service Guide - Page 40
38 6.4 Install the ISP tool. 6.4.1 Copy ISP tool in one folder. 6.4.2 Double-click to install the ISP tool. - Acer H236HL | Acer H236HL Monitor Service Guide - Page 41
39 6.4.3 Double-click to run the ISP tool and complete as the following steps 5 6 7 - Acer H236HL | Acer H236HL Monitor Service Guide - Page 42
6.4.5 Load the F/W you want to upgrade. 7 40 6 - Acer H236HL | Acer H236HL Monitor Service Guide - Page 43
and turn 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. Check this F/W version. S3. Restart the monitor. And then open the user menu. Factory reset will turn off Burn in mode. 2 1 - Acer H236HL | Acer H236HL Monitor Service Guide - Page 44
42 6 . 6 Troubleshooting. 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. - Acer H236HL | Acer H236HL Monitor Service Guide - Page 45
Process The SOP as below apply to the model H236HL Analog+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 - Acer H236HL | Acer H236HL Monitor Service Guide - Page 46
44 PC Monitor LPT port driver ISP tool: TPVDDC20100901.exe EDID - Acer H236HL | Acer H236HL Monitor Service Guide - Page 47
VGA and HDMI Process: S1.Double-click to install it. And restart PC 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 - Acer H236HL | Acer H236HL Monitor Service Guide - 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 4 3 - Acer H236HL | Acer H236HL Monitor Service Guide - Page 49
47 S7. Select the EDID folder as the below picture. 2 1 S8. Load EDID successful. - Acer H236HL | Acer H236HL Monitor Service Guide - Page 50
48 S9. Check 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. 1 2 3 S10. Click "Program" to start writing. When the green "PASS" appear, the process is finished. - Acer H236HL | Acer H236HL Monitor Service Guide - Page 51
" in user mode. 7.5 Q&A 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 - Acer H236HL | Acer H236HL Monitor Service Guide - Page 52
Unit) listing in global configurations of Acer H236HL. Refer to this chapter whenever noted on the printed Service Guide. For ACER AUTHORIZED SERVICE PROVIDERS, your Acer office may have a set by your regional Acer office on how to return it. Picture Description LNT Part No. Acer Part No. bezel - Acer H236HL | Acer H236HL Monitor Service Guide - Page 53
51 STAND 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 - Acer H236HL | Acer H236HL Monitor Service Guide - Page 54
4shield 19 0/5shield 22 clk shield 18 DAT0+ 17 DAT0- 10 DAT1+ 9 DAT1- 2 DAT2+ 1 DAT2- 13 DAT3+ 12 DAT3- 5 DAT4+ 4 DAT4- 21 DAT5+ 20 DAT5- 23 clk+ 24 clk- DVI CONN DET_DVI SCL_DVI SDA_DVI HPD DAT0+ DAT0DAT1+ DAT1DAT2+ DAT2- DCLK+ DCLK- EMI C123 100N16V U104 1 6 2 I/O1 I/O4 5 3 GND NC 4 I/O2 - Acer H236HL | Acer H236HL Monitor Service Guide - Page 55
E2251V E2051S E2051T E1951S E1951T Audio NC NC Yes NC NC NC NC DVI NC Yes Yes NC NC NC NC HDMI NC NC Yes NC NC LANE2P 18 RX0N_1 / LANE2N 19 RXCP_1 / LANE3P 20 RXCN_1 / LANE3N 21 TMDS_VDD2/ DP_VDD 22 AVS0 23 AHS0 24 ADC_VDD 25 B026 B0+ 27 G028 G0+ 29 SOG0 30 R031 R0+ 32 GPI / - Acer H236HL | Acer H236HL Monitor Service Guide - Page 56
RXE3+ 1 + C141 100uF/16V C142 100N16V CONN 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 Top Victory Electronics Co . , Ltd. ) 715G4951-M0D-000-0040-1_110330 Key Component Date POWER Friday , August 03, 2012 OEM MODEL LGE E51 TPV MODEL LGE E2351VR PCB NAME Sheet - Acer H236HL | Acer H236HL Monitor Service Guide - Page 57
5% 1R 1/10W 5% CN803 1 2 3 4 5 6 7 8 9 10 11 Base on 23 " setting 12 CONN D BR T +5V R820 0R05 OHM VCC PWM to Analog 秸 R814 10K 1/10W DRB805251V , Ltd. ) 715G5452-000-0040-1-111205 Key Component D at e 6. AUDIO Friday , August 03, 2012 OEM MODEL PHILIPS TPV MODEL 227E4QHAB PCB NAME - Acer H236HL | Acer H236HL Monitor Service Guide - Page 58
- ZD005 2 SW004 SW 5 4 3 1 2 VOL+ ZD004 2 SW005 SW 5 4 3 1 2 2 SW006 SW 5 4 3 1 T P V ( Top Victory Electronics Co . , Ltd. ) Key Component Date 02.KEY Monday , May 14, 2012 OEM MODEL Acer S236HL key pad TPV MODEL acer PCB NAME Sheet 2 of 2 Size Rev 称爹 A4 A - Acer H236HL | Acer H236HL Monitor Service Guide - Page 59
57 9.2 Layouts Main Board 715G5757M0D000004L Key Board 715G5673K01000004Q