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Modification of Tape Sends & 2 Track Return LevelModification of Tape Sends & 2 Track Return Level
All input Tape Sends are factory set to suit -10dBV
equipment. If a level of +4dBu is required the output
level may be changed by removing resistors
R130/R131 from the Input PCB SC2970. This can be
done without removing the PCB by carefully cutting the
leads of the resistor above the board at the points
marked as shown below.
The Master 2-Track Return can similarly be changed to
suit +4dBu equipment by removing resistors
R14/R17/R54/R57 from the Master PCB SC2973 as
shown below. The PCB will need to be removed from
C13
C46
R29
R24
R32
C16
C14
C17
R31
R131
R131
R17
R17
SW5
R57
R57
R54
R54
R14
R14
LFR3
RFR3
INPUT PCB SC2970
MASTER PCB SC2973
R130
R119
R129
R30
R27
R130
R130
R125
R33
IC1
CUT
Remove
resistors
as shown
CUT
Edge view of PCB
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