Figure 3.7 Location Of Audio Test Points On The Digital Board - Tait TB8100 Service Manual

Figure 3.7 Location of audio test points on the digital board
TB8100 Service Manual
© Tait Electronics Limited September 2006
8. Measure the audio voltages at the following test points on the digital
board:
balanced line out
unbalanced line out
Both voltages should be approximately 1V
greater than 1V
reciter to your nearest CSO for repair or replacement. If the voltages
are 1V or less, replace the system interface board.
pp
9. Measure the audio voltages at the following test points on the digital
board:
balanced line out
unbalanced line out
Both voltages should be approximately 1V
or higher, replace the system interface board. If the voltages are less
than 1V , the digital board is faulty. Return the complete reciter to
pp
your nearest CSO for repair or replacement.
IC1020 pin 1
IC1026 pin 1
IC1005 pin 1
IC1026 pin 7.
, the digital board is faulty. Return the complete
pp
IC1020 pin 1
IC1026 pin 1
IC1005 pin 1
IC1026 pin 7.
. If the voltages are
pp
. If the voltages are 1V
pp
Reciter Fault Finding
pp
91