Onkyo TX-8222 Service Manual page 6

A
BLOCK DIAGRAM
1
Q581/582
Q525/6
PROTECT
VOLTAGE REGULATOR
Q921
+B3 D915~8
+12V
-12V -B3
Q922
2
D921
3
4
5
B
POWER AMP
SP-A RELAY
RL591
POWER AMP
TO POWER AMP
SP-B RELAY
RL592
RELAY
Q591
DRIVE
RELAY
DRIVE
Q592
C916
C915
D911
SPEAKERS
SPEAKER-A
P501
SPEAKER-B
PHONES
P503
Q6380
THERMAL
SENSOR
T901
FLAC1
FLAC2
C
PRIMARY
PRI RELAY
F901 <D>
RL901
F902 <P/A>
OUTLET
F903
SUB
TRANS
T902
Q912
TX-8222
D
AC_CABLE