Behringer SRC Series User manual

BehringerMods.com
Instructions for modification of Behringer SRC analog inputs and
outputs
The following instructions will cover the details of fully modifying a unit with analog output and
analog input upgrades.
These modifications require a high level of assembly and skill. If you doubt your ability to
complete the mods correctly, please contact BehringerMods to arrange an installation service.
BehringerMods take no responsibility for damage caused to your equipment by modification.

Note: The input upgrade has a fixed gain level. The gain knob ill only adjust the LED meter after upgrade.
The modification package should come with the following parts:
Upgrade PCB for analog Inputs and Outputs
Ribbon cables x2
PCB Stands
peration verview

Remove the equipment cover and keep the screws in a dish.
Disconnect all cables and wires to the main PCB, including ground strap
Remove the main PCB.
Keep the screws in a dish.
Cut the back of pins 2 and 3 on each output XLR.
Use side-cutters. Leave a clear gap.

Solder IDC 2 wires as shown.
Yellow: Left ut XLR -
range: Left ut XLR +
Red: Right ut XLR -
Brown: Right ut XLR +
Solder IDC 2 wires as shown.
Grey: Positive pad of C5 (Right Input XLR +)
Violet: Positive pad of C6 (Right Input XLR -)
Blue: Positive pad of C21 (Left Input XLR +)
Green: Positive pad of C1 (Left Input XLR -)
Black: Top of C118 (Power V-)
White Top of C111 (Power V+)

Solder IDC 1 wires as shown.
Blue: Bottom of R144 (DAC R+)
Green: Bottom of R113 (DAC R-)
Yellow: Bottom of R112 (DAC L+)
range: Bottom of R47 (DAC L-)
Remove resistors R48, R49, R132, R133.
Remove capacitors C70, C71.

Solder IDC 1 wires as shown.
Black: Bottom of R122 (ADC Right -)
White: Top of R24 (ADC Left +)
Grey: Top of R123 (ADC Left-)
Violet: Bottom of R115 (ADC Right +)
Solder IDC 1 wires as shown.
Red: Left utput XLR Pin 1 GND
Brown: Left utput XLR Pin 1 GND

Re-connect all wires and cables.
The upgrades should now be complete.
Read the instructions again and check your work!
(Do not confuse IDC1 and IDC 2).
Ensure there are no wire cuttings or solder in the case, the soldered wires are not touching other parts and solder has
not splashed to the PCBs.
Congratulations and enjoy!