Tait TB8100, Service Manual

Page: 177 / 306

TB8100 Service Manual Power Amplifier Disassembly and Reassembly 177
© Tait Electronics Limited September 2006
9.4 Refitting the Front Panel
The circled numbers in the following instructions refer to Figure 9.2 .
1. Refit the front panel and secure it to the heatsink with the M3 Torx
screws.
2. Insert the SMA connector through the front panel and secure it to the
heatsink and front panel with the four M2.5 Torx screws
e
.
3. Resolder the centre pin of the SMA connector
f
to the 6W board.
Check that C100 and L100 are still correctly soldered and are not
damaged.
4. On a 28V PA, resolder the +28VDC feedthrough capacitor to the
metal strap
b
soldered to the 6W board. On a 12V PA, resolder the
white DC output wire
c
to the feedthrough capacitor, and resolder
the red DC output wire
d
to the 6W board.
9.5 Refitting the Cover and Airflow Duct
The circled numbers in the following instructions refer to Figure 9.1 on
page 175 .
Cover
1. Slide the cover into place on the heatsink. Make sure the cover is
seated correctly between the heatsink and N-type connector.
2. Secure the cover with the M3 Torx screws.
Note
Fit the two screws
d
securing the N-type connector to the cover
first, followed by the screws securing the cover to the heatsink.
Airflow Duct
(100W PA Only)
1. Slide the airflow duct into place on the heatsink and secure with the
M3 Torx screws.
2. Secure the DC input cable to the airflow duct with the P-clip and M3
Torx screw
b
.
28V 12V