Application Note
PYRAMID MODEL #: SVR-200 / SVR-250
RADIO MODEL: ICOM F5061/6061 Series
ENGINEER: M. Foley
Connections:
SVR
Jumpers:
JP1
J1
J2
J4
J5
J6
J7
J8
J9
SVR
Black/Shield
White
Blue
Green
Red
Yellow
Violet
Brown
Grey
[-]
[Out]
[Out]
[Out]
[Out]
[Out]
[Out]
[+]
[In]
DATE:16-Dec-09
Page 1 of 1
APPROVAL INITIALS
ENGINEER
DEPT. HEAD
Function
Ground
Tx Audio Out
Remote enable/disable
PTT Out
Switched B+
Rx Audio In
COR
Local Mic In
On Air Detect
Remote Enable
Tx audio level
Tx audio impedance
Local mic audio loop
Local mic PTT loop
Local Mic Sensitivity
Rx Sensitivity
Pull up resistor
MCOR Pull up resistor
AN #: 278A
SVR
Program:
Radio DB25 connector
Pin 7
Pin 8
External Switch To Ground
Pin 19
Pin 1
* See Notes
Pin 9
Pin 10
N/C
N/C
Mobile COR Polarity:
Mobile Type:
On-Air Polarity:
Tx Audio Response:
Rx Audio Response:
Local Mic Repeat
Low
Conv.
--Flat
Flat
Disabled
Additional Modifications (SVR-200 / SVR-250): None
Additional Modifications (Radio):
1. From the bottom side of the "Main Unit", solder a jumper wire from the input of IC20(TA7808F), to Pin 1 of the
DB25 connector. This provides SWB+ to Pin 1 of the DB25 connector.
2. Ensure that solder bead F is removed and that solder bead D is installed on the Main Unit PCB of the radio. This
enables the external audio input.
3. In the radio cloning software, to set Pin 10 as Carrier Operated Relay: Under "Common", then "Common" again:
"EXT OUT", set RX EXO to "ON" and it's Delay Timer to "OFF".