TOSHIBA SX2000
Manual de Servicio

2. The bell does not ring & page does not ring.
Can the base and handset be connected? OK NG See 3. The base and handset cannot be connected.

Press handset DIAL key while in TALK MODE. Can key touch sound be heard from the ringer? OK

NG

When the key of the handset is NG pressed, in TALK MODE can the pulse output at pin 2 of IC606 be seen? OK

Check IC606,and its peripheral circuit.

At the Q609 collector, can the NG pulse wave be seen? OK

Check Q607, Q609 and their peripheral circuit.

Check RINGER SP601.

When the PAGE SW S1 of the base is pressed, does pin42 of IC6 change from high to low? OK

NG Check R52, R58 and S1.

Check IC6 and its peripheral circuit.

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