Zoom R20 - Appendix; Block Diagram

Appendix
Block diagram
SEND EFFECT
MASTER L
MASTER R
OUTPUT L
OUTPUT R
OUTPUT
D/A
REC DATA MASTER L REC DATA MASTER R
MASTER
FADER
D/A
PHONES OUTPUT
PHONE OUTPUT
VOLUME
USB SEND DATA MASTER R to PC USB SEND DATA MASTER L to PC
MASTER LEVEL METER
Metronome
LEVEL for
Output
LEVEL for
Phones
OUTPUT
VOLUME
SEND LEVEL
SEND
EFFECT
SEND EFFECT
SEND LEVEL
SEND
EFFECT
SEND EFFECT
USB AUDIO DATA from PC ( For MULTI TRACK )
USB AUDIO DATA from PC ( For STEREO MIX )
For STEREO MIX
1 2
1 2 3 4
Audio Synth
PAN
EQ
FADER 1-8
MUTE/SOLO
HIGH
MID
LOW
SYNTH DATA
TRACK REC KEY
LEVEL METER
GAIN A/D DC CUT
LEVEL METER
PAN
Hi-Z
(INPUT 1 ONLY)
EQ
MUTE/SOLO
HIGH
MID
LOW
PEAKPEAK
INSERT
EFFECT
INSERT
EFFECT
TRACK REC KEYTRACK REC KEY
INPUT
DYNAMICS
USB SEND DATA 1-8 to PC
REC DATA 1-8 to SD CARD
For Multi Track
LEVEL METER
PAN
EQ
MUTE/SOLO
HIGH
MID
LOW
TRACK SWITCHING
GAIN A/D DC CUT
LEVEL METER
PAN
Hi-Z
(INPUT 1 ONLY)
EQ
FADER 1-2
MUTE/SOLO
HIGH
MID
LOW
PEAK
INSERT
EFFECT
TRACK REC KEY
INPUT
DYNAMICS
USB SEND DATA 1-2 to PC
REC DATA 1-2 to SD CARD
For Multi Track
LEVEL METER
PAN
EQ
FADER 1-2
MUTE/SOLO
HIGH
MID
LOW
TRACK SWITCHING
+48V
GAIN A/D DC CUT
LEVEL METER
PAN
EQ
FADER 3-8
MUTE/SOLO
HIGH
MID
LOW
PEAKPEAK
(INPUT 5-8)
INSERT
EFFECT
INSERT
EFFECT
TRACK REC KEYTRACK REC KEY
INPUT
DYNAMICS
USB SEND DATA 1-8 to PC
REC DATA 1-8 to SD CARD
For Multi Track
LEVEL METER
PAN
EQ
MUTE/SOLO
HIGH
MID
LOW
TRACK SWITCHING
+48V
GAIN A/D DC CUT
LEVEL METER
PAN
EQ
MUTE/SOLO
HIGH
MID
LOW
PEAK
(INPUT 5-8)
INSERT
EFFECT
TRACK REC KEY
INPUT
DYNAMICS
USB SEND DATA 3-8 to PC
REC DATA 3-8 to SD CARD
For Multi Track
LEVEL METER
PAN
EQ
FADER 3-8
MUTE/SOLO
HIGH
MID
LOW
TRACK SWITCHING
TRACK 1-2
TRACK 9-10
PLAY DATA 1PLAY DATA 1-2
TRACK 3-8
TRACK 11-16
PLAY DATA 8PLAY DATA 3-8
PLAY DATA 9-10
PLAY DATA 11-16
INPUT 1-2 INPUT 3-8
5