Onkyo TX-8522 Service Manual page 5

A B
BLOCK DIAGRAM
Q301
ANALOG
PHONO
SWITCH
EQUALIZER
Q302
PHONO
PHONO
1
CD
CD
REC
TAPE-1
PLAY
DVD
OUT
VIDEO
VPLAY
IN
TUNER
TUNL
REC2
REC
TAPE-2
PLAY PLAY2
DVD
2 IN
LA7956
OUT VIDEO
MON-A
SWITCH
VIDEO
MON-B
Q253
IN
MONITOR OUT
RDSCLK
RDSDAT
TMUT
TU-R
FM/AM TUNER
TU-L
PACK
SD
STEREO
PLLSDO
PLLCLK
XMDACRST
XMCOMSEL
XMERRIRQ
XMSRSEL
3
XMSRTXD
XMSRRXD
XMRST
GND
XM RADIO
+5V_XM
XM_L_OUT
XM_R_OUT
GND_A
SR_L_OUT
SR_R_OUT
+12V
-12V
DD/MDC ONLY
RI
IRIN
4
IROUT
ST-BY
PUREAUDIO
5
C
VOLUME
BALANCE
R641 R393
Q401
R415 R409
REC1
Q402
PLAY1
DVD
Q481
TREBLE BASS
MOTOR
VREC
DRIVE
Q403
Direct
STB
DATA
CL
CPU
ANALOG SWITCH
Tuner
XM
Sirius
MDD/MDC ONLY
Q701
MICROPROCESSOR
RI
IRIN
IROUT
REMIN
DISPLAY / CONTROL
LEDSTBY
Q7501
REMOTE
FL DISPLAY
CONTROL
SENSOR
LEDPURE FLDRST
+5V_CPU
FLDCS
Q7502
FLDCLK
FL DRIVER
FLDSDO
K0
K1
K2
K3
KEYINT0
KETINT1
KEYINT2
KEYINT3
D E
POWER AMP
POWER AMP
TO POWER AMP
Q491
MUTING
Q581/582
Q525/6
PROTECT
VOLTAGE REGULATOR
Q921
+B3 D915~8
+12V
-12V -B3
Q922
C915
D921
D911
Q706
Q701
POW
+5V_CPU
+5V_MPU
-VP
FLAC1
FLAC2
TACT KEYS
F G
SPEAKERS
SP-A RELAY
RL591
SPEAKER-A
SP-B RELAY
P501
RL592
RELAY
DRIVE
SPEAKER-B
Q591
RELAY
PHONES
DRIVE
Q592
P503
Q6380
THERMAL
SENSOR
C916
MDD/MDC ONLY
SP IMPEDANCE
RELAY
PRIMARY
RL921,RL922 T901
F901 <D>
F911
F902 <P/A>
F912
FLAC1
FLAC2
OTHER MODELS
T901
FLAC1
FLAC2
TX-8522
H
PRI RELAY
RL901
AC_CABLE
OUTLET
F903
SUB
TRANS
T902
Q912