Faulty Speaker Audio; Circuitry In The Vicinity Of Ic202 - Tait TM9100 Service Manual

13.2

Faulty Speaker Audio

This section covers the case where the green
Introduction
correctly and all unmute criteria are satisfied, but there is either no speaker
audio or the speaker audio is distorted. There are four tasks:
The next section deals with the case where there is no speaker audio at the
auxiliary connector.
Figure 13.2 Circuitry in the vicinity of IC202 (top side)
TM9100 Service Manual
© Tait Electronics Limited August 2005
Task 4: check audio power amplifier
Task 5: check speaker outputs
Task 6: check
ITF VOL WIP DC
Task 7: check
ITF RX BEEP IN
LED is operating
STATUS
input signal
input signal
CODEC and Audio Fault Finding 375