Connections to front-end module flying lead
There are actually two bulkhead mounted sockets - one to feed the 408MHz module, the other to feed the 1420MHz module. The colour coding matches that of the Focus box flying leads.
|
Pin |
Colour |
'blue' plug (1420MHz) |
'yellow'plug (408MHz) |
|
1 |
red |
+ve thermostat op-amp rail |
Pre-amp connection |
|
2 |
blue |
-ve thermostat rail |
Pre-amp connection |
|
3 |
green |
Base-plate temp. monitor |
Pre-amp connection |
|
4 |
yellow |
Base-plate temp. monitor |
Post-amp +ve supply |
|
5 |
white |
Sma flying lead inner |
Post-amp -ve supply (chassis) |
|
6 |
black |
No through connection |
Same as pin 4 |
|
7 |
brown |
nc |
No through connection |
|
8 |
mauve |
reg |
Base-plate temp. monitor |
|
9 |
orange |
reg |
Base-plate temp. monitor |
|
10 |
pink |
Sma flying lead outer/chassis |
No through connection |
|
11 |
turquoise |
-15v post-amp supply |
+ve thermostat op-amp rail |
|
12 |
grey |
Same as 11 |
-ve thermostat rail |