Roland AC-33 Service Notes page 33

Feb. 2010
fig.d-guitar-input.eps@R
0.23Vrms
fig.d-mic-input.eps@R
Vrms
VR400
100kB
R417
RD901F-20E1-125F-1B100K-00D10A
2.2k
3 1
C416
5pF
R407
100k
IC400
NJM14558D
6
5
V_MC+1_2V
V_MC+10V
V_MC+1_2V
R421
10k
R420
12k
AGND_MC
RD901F-20E1-125F-1B100K-00D10A
V_MC+10V
R419
1M
1
C417
7 2
3
10uF
C423
50V
0.1uF
FGND_MC
AGND_MC
0.46Vrms
C407
100uF
16V
VR400 VR400
RD901F-20E1-125F-1B100K-00D10A
100kB 100kB
FGND_MC
FGND_MC
To MAIN BOARD CN7
A+10V
cH2_SIG
AGND
CN400
B2011H02-3P
AC-33
33