Onkyo HT-R820THX Service Manual page 12

E
MASTER
VOLUME
0,,-103DB
OUTPUT GAIN
78
BASS/TREBLE
0-18dB
OUTPUT GAIN
80
BASS/TREBLE
0-18dB
OUTPUT GAIN
54
0-18dB
56 OUTPUT GAIN
0-18dB
OUTPUT GAIN
58
0-18dB
OUTPUT GAIN
49
15dB
61
0-18dB
Q305
52
63
POWER SUPPLY
+7V
Q321
78L07
BD3817KS,
OP AMP.
-7V
Q322
79L07
MICROPROCESSOR
SUB
MICROPROCESSOR
+12V
VIDEO
SECTION
PRE-AMPLIFIER
SECTION
DSP SECTION
OPERATION KEY
FL DISPLAY
Q7501
1
OTE
OR
F
MUTING
68
Q307
MUTING
70
Q308
64
65
66
SUBWOOFER
PREOUT
MUTING
SWPO
Q312 Q313
Q306
R6831
+12VAF
THERMAL
SENSOR
-12VAF
+5.6V
Q6931
NJM78M56A
-VP
Q9501
Q6405
78M12
-12VAF
Q6402
78M12
-12VAF
Q6403
79M12
+5VDSP
Q6406
78M05
POWER AMPLIFIER
+27dB
+27dB
+27dB
+27dB
+27dB
+27dB
DC VOLTAGE
DETECTOR &
OVER CURRENT
DETECTOR
Q6701~6703
VOLTAGE
SENSOR
D6704
R6830
THERMAL
SENSOR
FOR SEC1
VOLTAGE CONTROL
SUB
SEC1 VOLTAGE
TRANSFORMER
CONTROL
T902
D921
-924
RL6901
+B1H
+B1L
SEC1
+B1
POWER
D6903 D6904
AMP.
-B1
RL6902
SEC2
+B2 D9602
-9505
SEC3
D9513
FLAC
FL TUBE
FLAC
T901
MAIN
TRANSFORMER
G
RL6800
RL6804
RL6801
RL6803
D6703
RL901
P902
AC OUTLET
HT-R820THX
H
PHONES
L
FRONT SPEAKERS-A
R
L
FRONT SPEAKERS-B
R
L
SURROUND SPEAKER
R
CENTER SPEAKER
SURROUND BACK SPEAKER
AC IN