Read Sony KDE-V42A12U / KE-V42A10E Service Manual online
* Notice :
1) Check whether there are foreign materials or not on the connector before assembling of TCP.
2) Be careful not to take a damage on the board by ESD during handling of TCP.
3)
The misassembling of TCP is the cause of defect.
5.2.4 Exchange of Logic Buffer Board
1) Disassemble the chassis cover on TCP and disconnect FFC Cable.
2) Disjoint Logic Buffer Board.
3) Assemble New Board and connect FFC Cable.
4) Finally joint the chassis cover.
5.2.5 Exchange Y-Buffer Board and Y-Main board
1) Disconnect all of the FPC connector of Y-Buffer Board. (Upper and Lower)
2) Separate all of the connector of Y-Main.
3) Remove the Y Main board and Y Buffer Board without separating both board.
4) Disconnect CN5003, CN5004 and then disconnect CN5005, 5006, 5007, 5008 to separate
both board.
5) Replace the defected board.
6) Connect the connector of CN5005, 5006, 5007, 5008 and then connect CN5003, CN5004
to reassemble Y Buffer Board and Y-Main.
7) Arrange the board on the chassis and then screw to fix.
8) Connect the FPC.
9) Supply the electric power to the module and then check the waveform of board.
10) Turn off the power after the waveform is adjusted.
5.2.6 Exchange X-Main board
1) Pull out the FFC Cable. [Refer to Photo 3]
2) Remove the board from chassis.
3) Assemble New Board and connect FFC Cable.
- 2 9 -
Click on the first or last page to see other KDE-V42A12U / KE-V42A10E service manuals if exist.