Friday 27 December 2019

HTB5550G Philips Home Theater BD Player disassembly, software update, power board schematic

Software upgrade
Build a folder name as UPG under root menu of USB device.
Copy the HTB5580.bin file(upgrade file) to the root menu of USB device.
Connect the USB device to HTS ,
Power on DUT,enter into HOME UI.
Enter into Setup menu select Advance >>Software upgrade>>USB. If the upgrade SW was found, it will prompt start upgrade SW, press OK select Start.
Don’t power off DUT .DUT will restart after SW upgrade completed.
Caution: The set must not be power off during upgrading, Otherwise the Main board will be damaged entirely.
Software version check
Power on DUT, enter into home ui,
Select set up >> advance >> version information
The main software is System SW,MCU version is Subsystem SW.
Restore DUT
Power on DUT,enter into HOME UI
Select set up >> advance >> Restore default settings
Disassembly procedure.
Open the top cover. Remove 4 screws on the back panel, dismantle the left and right baffle, then open the top cover.
Dismantle the loader. Open the CD tray and dismantle the CD door. Disconnect the connectors on the main board. Remove 2 screws beside the loader.
Dismantle the front panel.Release the WI-FI module from the panel. Disconnect all the connectors.
Release 4 buckles on the left,right and bottom sides.
Dismantle the front control board. Remove 4 screws on the board. Loosen the board and disconnect
2 connectors on the inner side of the board, then pull out the board.
Dismantle the power board. Remove 4 screws and 1 plane interpolation on the board.

Dismantle the amplifier board. Remove 2 screws on the board and 1 screw on the back panel.
Dismantle the main board. Remove 2 screws on the board and 3 screws on the back panel.
 Mechanical and Dismantling
Open the top cover. Remove 2 screws on the back panel. then open the cover.
Dismantle the front panel. Disconnect all the connectors on the boards. Release 4 buckles on the left, right and bottom sides.
how to dismantle the wireless box
Dismantle the power board. Remove 3 screws on the board and 2 screws on the back panel.
Mechanical and Dismantling Instructions
 Dismantle the power board. Remove 3 screws on the board and 2 screws on the back panel.
Dismantle the main board. Remove 2 screws on the board and 1 screw on the back panel.
Power board schematic
Power board schematic for wireless box