Rf Amplifier; Display Board - Philips 50 T Series Service Manual

RF Amplifier

Display Board

Chapter 7 - Replacing Parts
3. When fitting the replacement VCXO, angle the new part and locate its
pins in one side of the socket. Carefully seat the VCXO, applying
gentle pressure until it is securely in position.
Fitting the VCXO to RF Module
To replace the RF module, reverse the above procedure.
To remove the RF Amplifier, first follow the instructions for dismantling the
Receiver, then:
1. Remove the 3 screws that hold the RF Amplifier Board.
2. Disconnect the coax cables.
3. Lift the RF Amplifier clear of the casing.
To replace the RF Amplifier, reverse the above procedure.
To remove the Display Board, first follow the instructions for dismantling the
Receiver, then:
1. Remove the small flat cable from the Display Board.
2. Remove the 3 screws which hold the Display Board.
3. Lift the Display Board clear.
To replace the Display Board, reverse the above procedure.
Power Supply Board