Sony ICF-SW7600GR Multi Band World Receiver Radio: Who cares about DX listening?

[jebem]

Step by step disassembly (cont.)

The 8 Ohm / 0.5Watt Loudspeaker removed and terminal wires unsoldered.
It is secured by two plastic claws.



Key Board assembly removed from the front side of the plastic chassis frame.
The board is secured by two plastic claws.
Gently pull the flat cable from the connector.



Plastic chassis frame - Front side ( Key Board assembly was removed).
The flat cable interconnecting the Main board and the Key Board is visible in the central zone.



Plastic chassis frame - Back side ( Key Board and Main Board assemblies were removed).
The four wires of the ferrite antenna were unsoldered from the Main Board.



Main Board assembly removed from the back side of the plastic chassis frame.
It is secured in place by four plastic claws. Push them gently to remove the board.



Main Board assembly detail - right side.
"X201" 55.390MHz AM OSC2 crystal visible in the central zone.
"IC203" CXA1522 Pre/Power audio amplifier IC in central bottom zone.



Main Board assembly detail - left side.



Exploded view.




After reassembling, the radio worked as nicely as before
I use a RF signal generator to do the checking. While it miss a graduated attenuator knob because it is not a professional calibration equipment, it is good enough for my needs.