ME-33
May. 2001
12
BLOCK DIAGRAM
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
BUFFER
PRE ENPH
PRE ENPH
IC1
IC3
IC2
AUX IN
IC4
MULTI
AMP
PLEXER
(MONO)
(STEREO)
AD/DA
IC7
LPF
DE ENPH
IC9
IC8
OUTPUT
(STEREO)
AMP
PHONES
MUTE
DSP
DRAM
EEPROM
H8/3847R
IC14
ESP4
IC15
IC17,18
IC16
BUS
CPU
PHOTO
INTERRUPTOR
AMP
VR x 6
SWITCH
LCD
LED DRIVER
IC11
7SEG LED
&LED
RESET
IC13
POWER
DC-DC CNV
GUITAR IN
MAIN BOARD
PEDAL BOARD
BATTERY
ADAPTOR IN
AMP
POWER SW
A
D
+
D 3
+8VA +4VIN +4VOUT
+
A
9
-
-
-
-
.
.
. .
.
.
.
.
.
.
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