Panasonic PT-LB20NTU Service Manual

Also see for PT-LB20E: Operating instructions

Panasonic PT-LB20NTU Service Manual Manual pdf 17 page image

7.4. Removal of WL-P.C.Board (PT-LB20NTU/E/EA only)1. Remove the upper case according to the section 7.2."Removal of Upper Case".2. Unscrew the 4 screws and remove the shield cover andwireless LAN module.Notes:· Because the wireless LAN module is connected withthe WL-P.C.Board, work carefully when removing it.· When installing/detaching the antenna connector,insert or pull out it straight along the center of theconnector pin. It causes damage and/or poorcontacting of the connector when forciblyinstalling/detaching it.· Connect the connector from the antenna with theoriginal position (connector on the wireless LANmodule) after reassembling.3. Unscrew the 1 screw and remove the WL-P.C.Board.7.5. Removal of S1-P.C.Board1. Remove the upper case according to the section 7.2."Removal of Upper Case".2. Remove the water-guide plate.3. Unscrew the 2 screws and remove the S1-P.C.Board.7.6. Removal of S2-P.C.Board1. Remove the S2-P.C.Board block according to the section7.3. "Removal of A-P.C.Board".2. Remove the holder while expanding the resin hooksoutside.Note:· Work carefully not to damage the resin hook.7.7. Removal of K-P.C.Board1. Remove the analysis block, LCD block and lens accordingto the steps 1 through 3 in the section 7.11. "Removal ofAnalysis Block and Lens".2. For PT-LB20NTU/E/EA, unscrew the 4 screws and removethe shield cover and wireless LAN module.Notes:· Because the wireless LAN module is connected withthe WL-P.C.Board, work carefully when removing it.· When installing/detaching the antenna connector,insert or pull out it straight along the center of theconnector pin. It causes damage and/or poorcontacting of the connector when forciblyinstalling/detaching it.· Connect the connector from the antenna with theoriginal position (connector on the wireless LANmodule) after reassembling.3. For PT-LB20NTU/E/EA, unscrew the 2 screws and removethe WL-P.C.Board (with metal fittings for securing WL).17PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA