Block Diagram - Roland BOSS V-WAH PW-10 Service Notes

BLOCK DIAGRAM

fig.block
BUFFER
INPUT
Q1
BATTERY
DC IN
Pre-Em
IC2B
CODEC
AF-AD Gain
(AD/DA)
IC2A
IC1
DSP
(MR3)
IC5
+9V
RESET
IC10
+3.3V
DC-DC
CONVERTER
IC9, Q10
FET SW
Q2
De-Em
MIX FET SW
(Flat)
IC3B Q4
IC3A
VR (TYPE, WAH RANGE, DRIVE)
CPU
MANUAL/MEMORY SW
IC4
Photo Sensor
EEPROM
IC7
Photo Sensor
PW-10(T)
BUFFER
Q3
VR1, VR2, VR3
LED (ON/OFF, MEMORY)
LED2, LED1
SW1
Circuit
(OUTPUT)
Circuit
(INPUT)
OUTPUT
13