Removal and replacement of ADU modules
8-20
Chapter 8: Service & maintenance
98-137654-A
8.5.2 Replacing the Television Interface Module
(TIM)
The TIM is the interface module handling communication between
the ACU and the PCM. It provides power to all units, handles
internal modem communication and RX IF. The TIM also provides
power and LO-control signals for the LNB.
The TIM has two LEDs for status and troubleshooting:
• Power LED: green or Off
• Service LED: green or red
To replace the TIM, do as follows:
1. Open the service hatch by releasing the two latches with Torx
screws.
2. Switch off the power to the antenna on the service switch.
3. Rotate the antenna pedestal so that the TIM faces the service
hatch.
Figure 8-14: Television Interface Module (TIM)
Power LED
(green)
Service LED
(green or red)
Tools needed:
• 4 x 150 mm Allen key
(located inside the
service door of the ADU)
• 8 mm open-end spanner
• 11 mm open-end spanner
• 18 mm open-end
spanner
• Flat head screw driver
Figure 8-15: Switch off the power to the antenna
TIM
SAILOR100TM.book Page 20 Tuesday, January 29, 2013 2:44 PM
Summary of Contents for 100
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