Microphone Circuit (Telephone Microphone -Multi-Display)

MICROPHONE CIRCUIT (TELEPHONE MICROPHONE -MULTI-DISPLAY)

CIRCUIT DESCRIPTION

This circuit sends a microphone signal from the telephone microphone amplifier to the multi-display. It also supplies power from the multi-display to the telephone microphone amplifier.

Wiring Diagram:

Step 1-2:

Step 3-4:

INSPECTION PROCEDURE