ViewSonic VPW425 Service Manual page 24

BLOCK DIAGRAM
FROM AV
S EL E CT OR
ICR1
S RS S URROUND
P ROCES SOR
IC1
B BE & S OUND
P ROCES SOR
PDP Sound Block Diagram
Q1/Q2
INP UT B UFFE R
ICA3
FIXE D/VA RIBL E
OUT P UT
S EL E CT OR
U1 IC2
BUFFER M AIN POWER
A M P L IFIER A M P L IFIER
P AGE 1
DPWB11372-1G-S-
5-5
ICS1 ICS2
LPF M UT E
P AGE 2
ICA1/ICA2 AV_ OUT PUT
M UT E
Q8/Q9/Q11
M UT E
VER1.0
S UB _ WOOFE R
OUT P UT
INSIDE
S PE AK ER