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ACER B246HL 

 

9

 

 

 

 

S3 

Disassemble the lamp wire

 

Tear off the tape on the lamp wire. Extract the big connector of the lamp wire form the 
P/BD(Power Board) as the picture.

 

 

S4 

Disassemble the USB 

SIDE BD 

(This step is only for SKU 

with USB)

 

Tear off the Mylar on the right hole of the SHD as picture 1. Disassemble USB-FFC from 
the USB BD. Unlock the screw from the USB SIDE BD and disassemble the USB SIDE 
BD. Disassemble the USB-FFC from the USB SIDE BD as picture 2.  Disassemble the 
gasket from the back of the panel as picture 3. 

               

PICTURE 1                                            PICTURE 2                                  PICTURE 3 

 

S5 

Disassemble LVDS 

CABLE and CTRL BD

 

Tear off the tape, pull out the FFC as picture 1. Pull the 

CTRL BD

 -FFC out of the PCBA 

and the 

CTRL BD

, tear off the tape, disassemble the 

CTRL BD

 -FFC 

     

PICTURE 1                                                                                          PICTURE 2

 

 

         

 

 
 

 

USB

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USB

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Summary of Contents for B246HL

Page 1: ...Acer Monitor B246HL LIFECYCLE EXTENSION GUIDE ...

Page 2: ... 3 Mechanical Instruction 7 4 Disassembly and Assembly SOP 8 5 Troubleshooting 14 6 FRU List 16 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: ...airing method 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 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 ...

Page 4: ...SCRIPTION 1 ASSY BZL 2 PCBA CTRL BD 3 LCDM 24W M240htn01 2 AUO 4 PCBA SPS BD 5 PCBA IF BD 6 FFC LVDS 7 ASSY SHD 8 SPK 9 ASSY RC 10 ASSY CLMN 11 ASSY BASE 12 SCRW MACH STEEL HEX 4 40 NI 13 SCRW TAP PH W FL M3 6L 14 SCRW TAP PH W FL M3 6L W ZN 15 SCRW MACH FPH M4 10L B ZN NYL ...

Page 5: ...l B246HL The wiring connectivity position will be different according to the ACTUAL PCBA connector position Please base on different SKU refer to below diagram NOTE INF BD Interface Board PWR BD Power Board CTRL BD Control Board 1 SKU without USB without HDMI DP 2 SKU without USB with HDMI DP ...

Page 6: ...ACER B246HL 6 3 SKU with USB without HDMI DP 4 SKU with USB with HDMI DP ...

Page 7: ... tools that would typically can be used to disassemble the product to a point where components and materials requiring selective treatment can be removed Tool Description working table Screw driver Philips head screwdriver Hex head screwdriver Knife glove cleaning cloth ESD protection ...

Page 8: ... 4 Prepare the implement equipment materials as bellow 1 working table 2 Screw driver 3 knife 4 glove 5 cleaning cloth 6 ESD protection After unplugging the power cord the power board still have power energe Please pay attention when disassembling assembling Power BD S1 Disassemble the RC Rear Case stand and base Disassemble Stand and Base from the RC Rear Case Unlock RC screws Disassemble RC from...

Page 9: ...1 Disassemble USB FFC from the USB BD Unlock the screw from the USB SIDE BD and disassemble the USB SIDE BD Disassemble the USB FFC from the USB SIDE BD as picture 2 Disassemble the gasket from the back of the panel as picture 3 PICTURE 1 PICTURE 2 PICTURE 3 S5 Disassemble LVDS CABLE and CTRL BD Tear off the tape pull out the FFC as picture 1 Pull the CTRL BD FFC out of the PCBA and the CTRL BD te...

Page 10: ... S7 2 Disassemble the USD BD I F BD P BD and SPK from SHD This step is only for SKU with USB Unlock all screws from the PCBA as the picture Disassemble the USB BD from the SHD and extract the wire from the USB BD Disassemble the I F BD from the SHD and extract the P BD wire Extract the FFC LVDS from the I F BD Disassemble the P BD from the SHD NOTE Circuit boards 10 cm has been highlighted with th...

Page 11: ...ard and SPK Insert the FFC to the I F Insert the DP Wire to the I F BD and the Power BD Insert the Power BD Wire and SPK Wire to I F BD Place the I F BD and the Power BD onto main SHD and lock all screws Put Mylar on the Power BD S1 2 Assemble the MAIN board power board USB board and SPK This step is only for SKU wih USB Insert the FFC to the I F Insert USB I F BD wire to the IF BD Insert the DP W...

Page 12: ...rt the C B FFC to the PCBA as circle frame PICTURE 1 PICTURE 2 S3 Assemble the lamp wire Insert the big connector of the lamp wire to the P BD Stick 2 tape to fasten the lamp wire and one AL Tape on SHD as the picture S4 Assemble LVDS cable Insert the LVDS cable to the Panel and stick one tape on LVDS cable S5 Assemble SHD Lock the Hexagonal screws and the DP screw as picture 1 PICTURE 1 ...

Page 13: ...D on the MF Lock one screw to the USB SIDE BD Tear off the gum of the USB FFC insert the USB FFC into the USB BD and stick USB FFC on the panel as picture 3 Affix a Mylar on the right hole of the SHD as picture 4 PICTURE 1 PICTURE 2 PICTURE 3 PICTURE 4 S7 Assemble RC stand and base Assemble the RC with screw Assembly the Stand and the Base to Monitor GASKET USB SIDE BD USB SIDE BD I F BD USB SIDE ...

Page 14: ... monitor is in compliance which may be causing the input signal frequency mismatch Display is missing center shift or too small or too large in display size Using OSD adjust RESOLUTION CLOCK CLOCK PHASE H POSITION and V POSITION with non standard signals Using OSD in case of missing full screen image please select other resolution or other vertical refresh timing Using OSD in case of missing full ...

Page 15: ...cord is properly connected to the monitor LED displays amber color Check if video signal cable is properly connected at the back of monitor Check if the power of computer system is ON Abnormal Sound Only Audio Input model Optional No sound or sound level is too low Check the audio cable with the host PC is connected Check if the volume setup of the host PC is in minimum position and try to raise t...

Page 16: ... those given in the FRU list of this printed Service Guide You MUST use the local FRU list provided by your regional 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 it properly or follow the rules set by your regional office on how to return it Cate...

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