SoundCraft Audio Mixing Console Model Spirit Studio manual Master PCB SC2973

Modification 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

INPUT PCB SC2970

					R24
R29		C14				R33
						IC1
				C16
R27	R32						C17
		R30						R31
			R130						R131
					C13

MASTER PCB SC2973

		R54
		R57
SW5		R17
	C46
		R130
			R14

R129	R125
R119	LFR3

R130 R131

CUTCUT

Remove resistors as shown

Edge view of PCB

R54

R57

R17

R14

RFR3

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