Block Diagram - Zoom G2.1u Service Manual

6.USB
BLOCK
1.Power Supply Block
BTT level
BTT
SUM3 x4
power switch
AD0006
DC9V 300mA
Current Limiter
+5USBV
PC
(USB BUS)
5.USB Power Supply
Block

BLOCK DIAGRAM

2.ANALOG
BLOCK
Foot SW/Ex-Pedal
Ctrl In
+3.3VA +3.3VD
Linear-Reg.
29M33
+8VA
+1.26VD
SW-Reg.
XC9502
Chip LED x6
Static Write
7SEG x2figures
2x8 Matrix
+3.3USBV
Linear-Reg.
Tact SWx(8+2)
XC6213
4.Panel
Block
Digital In
Digital Out
McBSP
1Fs
64Fs
McBSP
256Fs
Clock
24.576MHz
ADC
11point
VR
1
Encoder
x
6
3
LED
5
Port
10
+4 for D164
Switch
Static Read
5
DSP
EMIF
ZFX-3
HPI GPIO
Ex.Bus Port
Port
CPU
CSI0
(V850/SA1)
ROM:256k
RAM:8k
UART1
3.CPU Block
20MHz
SDRAM
1M x16bit
16bit
Data Bus
EEPROM
16kbit
1k x16bit
MIDI I/F
for
Debug/Backup