Mackie SP2400 Instruction Manual - All - Page 23

5. Specifications SP2400 Block Diagram DIRECT L OUTPUT R L INPUT 1 R L INPUT 2 R L INPUT 3 R L INPUT 4 R +24VDC PHANTOM 2 1 PAGING MIC 3 1 3 +24VDC PHANTOM 1 MIC/LINE INPUT A 3 +24VDC PHANTOM 1 AMBIENT MIC (ZONE A) 3 GAIN +40dB GAIN +40dB GAIN +40dB GAIN +40dB GAIN GAIN INTERNAL TRIM BUS ASSIGN + TO EXPANSION I/O - + + + FROM EXPANSION - - I/O - LOCAL/REMOTE + - BUS ASSIGN + - + + FROM EXPANSION - I/O - + - TO EXPANSION I/O + - + + FROM EXPANSION - I/O - LOCAL/REMOTE LOCAL/REMOTE + - BUS ASSIGN + - + FROM + EXPANSION - I/O - + - TO EXPANSION I/O + - + + FROM EXPANSION - I/O - LOCAL/REMOTE LOCAL/REMOTE + - BUS ASSIGN + - + FROM + EXPANSION - I/O - + - TO EXPANSION I/O + - + + FROM EXPANSION - I/O - LOCAL/REMOTE LOCAL/REMOTE + + FROM + - -EXPAIN/OSION - + TO EXPANSION I/O - BUS ASSIGN TO EXPANSION I/O MIC + - LOCAL/REMOTE + LO HI - 80 12K VOX LO HI 80 12K ZONE A ZONE B ALL CALL GND PAGE MIC SWITCH CONTROL ADC TO µP +24VDC PHANTOM 1 MIC/LINE INPUT B 3 +24VDC PHANTOM AMBIENT MIC 1 (ZONE B) 3 GAIN +40dB GAIN +40dB GAIN INTERNAL TRIM LO HI 80 12K ADC TO µP TO ZONE B DIGITALLY CONTROLLED ATTENUATORS STEREO/ MONO STEREO/ MONO STEREO/ MONO STEREO/ MONO (TO µP) PAGING MIC VOX (TO µP) PAGING MIC VOX ATTENUATOR CONTROL (FROM µP) TO ZONE B TO ZONE B 3 0 3 6 WOODINVILLE REDMOND FROM µP 9 15 MACKIE INDUSTRIAL 30 55 TO ZONE B VOX ACTIVATION TO µP TO ZONE B VOX ACTIVATION TO µP TO ZONE B PROGRAM EQ LO MID FREQ HI 80 12K J6 EQ BYPASS DIGITALLY CONTROLLED ATTENUATOR J4 INSERT (INTERNAL FOR OPTIONAL DSP CARD) ADC TO µP ZONE A PRE OUT ZONE A AMP IN V+ OVERLOAD V- V+ FROM TEMP SENSOR (ON HEATSINK) PROTECTION 70V/100V 8Ω LEFT/ZONE A OUTPUT + - V- -15VDC (w/J2 INSTALLED) N/C PAGING MIC (+) INPUT 4 RIGHT (+) INPUT 4 LEFT (+) INPUT 3 RIGHT (-) INPUT 3 LEFT (-) GROUND INPUT 2 RIGHT (+) INPUT 2 LEFT (+) INPUT 1 RIGHT (-) INPUT 1 LEFT (-) EXPANSION IN 25 13 14 1 +15VDC (w/J3 INSTALLED) PAGING MIC CONTROL PAGING MIC (-) INPUT 4 RIGHT (-) INPUT 4 LEFT (-) GROUND INPUT 3 RIGHT (+) INPUT 3 LEFT (+) INPUT 2 RIGHT (-) INPUT 2 LEFT (-) GROUND INPUT 1 RIGHT (+) INPUT 1 LEFT (+) MACKIE INDUSTRIAL SP2400 BLOCK DIAGRAM (#01.02.01.DF) -15VDC (w/J2 INSTALLED) N/C PAGING MIC (+) INPUT 4 RIGHT (+) INPUT 4 LEFT (+) INPUT 3 RIGHT (-) INPUT 3 LEFT (-) GROUND INPUT 2 RIGHT (+) INPUT 2 LEFT (+) INPUT 1 RIGHT (-) INPUT 1 LEFT (-) 25 13 14 1 +15VDC (w/J3 INSTALLED) PAGING MIC CONTROL PAGING MIC (-) INPUT 4 RIGHT (-) INPUT 4 LEFT (-) GROUND INPUT 3 RIGHT (+) INPUT 3 LEFT (+) INPUT 2 RIGHT (-) INPUT 2 LEFT (-) GROUND INPUT 1 RIGHT (+) INPUT 1 LEFT (+) EXPANSION OUT SP2400 - 23