IdeaCentre B345–B545 All-In-One Hardware Maintenance Manual

Step22.Pushthepinsthatsecurethepowerswitchboardtothefrontbezel,andthenliftoutthepower
switchboardasshown.
Step23.ToinstallthenewtheLEDpanel:
a.Installthepowerswitchboardtothenewfrontbezel.
b.ConnecttheconvertercabletotheconnectoronthenewLEDpanel,andattachtheconverter
cabletotheLEDpanelproperlyusingdoublefacedadhesivetape.
c.Lineupthechassiswiththemountingholesonthefrontbezel,connectthetouchcontrol
cableandLVDScabletotheconnectorsonthenewLEDpanel,andthenplacethechassis
intoposition.
d.Connecttheconvertercabletotheconverter.
e.Connectthefrontfunctionboardcable,frontindicatorboardcableandthepowerswitch
boardcabletotheconnectorsonthemotherboard.
f.ReattachtheWi-Fiantennacablesbacktothefrontbezel.
g.SecurethenewLEDpaneltothechassiswithfourscrews.
h.Securethechassistothefrontbezelwiththeeightscrews.
i.ReinstallthecameraandtheBluetoothmodule.
j.Togetthebestdisplayqualityforyourmonitor,adjustthePTV139DIPswitchsettingsonthe
TVscalarboardaccordingthebelowchartfordifferentpanelmodels:
Note:1=OFF0=ON
Size
ModelDIP1DIP2DIP3DIP4
LTM230HT10M011110
LTM230HT10M021101
LM230WF5-TLF11100
23'LED
M230HGE-L20C1
1011
23'FPRLM230WF8-TLA11010
Chapter8.Replacinghardware59