Power Supply Block Removal (Lamp Drive Unit); Ud Board And Rf Antenna Switch Removal - Sony KF-42WE620 Service Manual

1-5. POWER SUPPLY BLOCK REMOVAL (LAMP DRIVE UNIT)

CAUTION: When removing the Power Supply Block be careful not to move the Optical Unit Block
Pull forward to remove

1-6. UD BOARD AND RF ANTENNA SWITCH REMOVAL

Disconnect three connectors
and the ground wire
UD board
3
One screw
(+BVTP 3x8)
KF-42WE620/50WE620
Unhook the antenna cable
5
1
Disconnect two connectors
1
1
4
3
2
Two screws (+PWH 4x16)
(to detach the cables from the
Optics Unit Block Assembly)
Power supply block
4
Four screws (+BVTP 3x12)
Disconnect two Pin plugs
4
and one connector
4
RF antenna switch
2 One screw
(+PSW 3x8)
5 Two screws (HEX)
KF-42WE620/50WE620
12