Tribune_9801AR_PCB
The main PCB of the 9801AR telephone. This model has a mechanical bell ringer. The 2 ICs on the board are the dialer control (top left corner) and speech hybrid (centre right). The hookswtich is the rectangular black device in the middle of the top row of components. The empty locations on the PCB are for a tone ringer circuit (used in the 9802AR) and some form of speech amplfiier.
Tribune_9801AR_PCB
The main PCB of the 9801AR telephone. This model has a mechanical bell ringer. The 2 ICs on the board are the dialer control (top left corner) and speech hybrid (centre right). The hookswtich is the rectangular black device in the middle of the top row of components. The empty locations on the PCB are for a tone ringer circuit (used in the 9802AR) and some form of speech amplfiier.