Circuit Diagram Of The Speaker Circuitry; 14.10 Speaker Faulty - Tait TM9100 Service Manual

14.10 Speaker Faulty

The two speaker lines (SPK+ and SPK–) are connected to the speaker
connector (J104) which is connected to the control-head connector (J103)
through two ferrite beads (L105 and L106).
Figure 14.13 Circuit diagram of the speaker circuitry
If the speaker functions only intermittently or the audio level is low:
1.
2.
3.
4.
414 Fault Finding of Control Head
Control-Head
Connector
SPKR+
18
J103
SPKR–
17
Check the continuity from the speaker connector J104 to pin 18
(SPK+) and pin 17 (SPK–) of the control-head connector J103.
Inspect E105 and E106.
Replace the speaker.
If there is still a fault, go to
Connector
E105
1
E106
2
"Volume Control Faulty" on page
TM9100 Service Manual
© Tait Electronics Limited August 2005
Speaker
J104
416.