Onkyo TX-8522 - System Block Diagram; Audio and Video Signal Flow

TX-8522
BLOCK DIAGRAM
SPA
SPBTHERM
PRO
-B1
E
+B1
UP DOWN
STB
DATA
CL
TUNL
FLAC2
FLAC1
-VP
MUT
REMIN
FLDRST
FLDCS
FLDCLK
FLDSDO
+B3
-B3
MON-A
MON-B
TMUT
PLLCLK
PLLSDO
STEREO
SD
RDSCLK
RDSDAT
POW
+5.6V
+5V_MPU
+5V_CPU
+5V_CPU
XMDACRST
XMCOMSEL
XMERRIRQ
XMSRSEL
XMSRTXD
XMSRRXD
XMRST
+5V_XM
GND
+12V
-12V
GND_A
+12V
-12V
XM_L_OUT
XM_R_OUT
SR_L_OUT
SR_R_OUT
TU-L
TU-R
RI
IRIN
IROUT
K0
K1
K2
KEYINT0
KETINT1
KEYINT2
K3
KEYINT3
LEDSTBY
LEDPURE
FLAC1
FLAC2
+5.6V
Q525/6
Q581/582
PROTECT
TO POWER AMP
PRIMARY
THERMAL
SENSOR
Q6380
VOLTAGE REGULATOR
SPEAKERSPOWER AMP
PHONO
EQUALIZER
Q301
PHONO
REC
PLAY
TAPE-1
CD
PLAY1
DVD
DVD
VREC
VPLAY
TUNER
PLAY2
REC2
REC
PLAY
TAPE-2
OUT
VIDEO
IN
AUDIO IN / OUT
MOTOR
DRIVE
Q481
DISPLAY / CONTROL
CPU
VOLUME
MICROPROCESSOR
Q701
FL DRIVER
Q7502
FL DISPLAY
Q7501
IN
OUT
IN
OUT
MONITOR
VIDEO
SWITCH
Q253
LA7956
DVD
VIDEO
VIDEO IN / OUT
PACK
FM/AM TUNER
TACT KEYS
XM RADIO
To Audio Selector & Phono
Q302
PHONO
CD
REC1
ANALOG
SWITCH
ANALOG SWITCH
Tuner
XM
Sirius
BASSTREBLE
MDD/MDC ONLY
MDD/MDC ONLY
DD/MDC ONLY
Direct
Q591
RELAY
DRIVE
Q592
RELAY
DRIVE
POWER AMP
RL901
PRI RELAY
F903
OUTLET
AC_CABLE
P501
SPEAKER-A
SPEAKER-B
RL591
SP-A RELAY
RL592
SP-B RELAY
P503
PHONES
C916
D911
Q921
Q922
D921
F901 <D>
F902 <P/A>
Q912
R641
Q491
MUTING
R393
BALANCE
F911
F912
D915~8
D920
T902
SUB
TRANS
C915
REMOTE
CONTROL
SENSOR
RI
IRIN
IROUT
ST-BY
PUREAUDIO
Q402
R409
Q401
R415
THERMAL FUSE
T901
Q706
RL921,RL922
SP IMPEDANCE
RELAY
Q403
Q701
FLAC1
FLAC2
OTHER MODELS
THERMAL FUSE
T901
A
1
2
3
4
5
BCDEFGH