Product manual

S E R V I C E & M A I N T E N A N C E
Motherboard Parts Layout
6.5
Cue
Sum
Talk
Out
Mic
#1
Mic
#2
LM3916 Left VU driver
2N3906 transistor
Left VU amp
LM3916 Right VU driver
LM7805 Five
Volt Regulator
2N2907
Inverter transistor
TL497A -12VDC Inverter
2N3906 transistor
Right VU amp
SSM2019
Mic Preamp
PCM2900 USB
CTS5-CB3 USB
12MHz oscillator
Monitor
Earphone
Preamp
External
Input amp
for Monitor
Monitor Output Amp
Headphone
Output Amp
2N3906 transistor
Muting relay driver
Muting
Relay
Program
(-) Output
driver
Program
(+) Output
driver
Program
Unbalanced
Output driver
USB
Record
Amp
USB
Play
Amp
Channel 3
Input
preamp
Channel 4
Input
preamp
Channel 5
Input
preamp
Channel 6
Input
preamp
Channel 7
Input
preamp
R L
SSM2019
Mic Preamp
R L R L
R L
R L
R L
R L
R L
R L
R L
R L
R L R L
R L
Ch 1-6 & 8
Program
Summing amp
Ch 7 (Phone)
Pgm Summing amp
Mix minus
Balanced
Output amp
R L
R L
R L
VU Amp