Onkyo HT-R820THX Service Manual page 11

A
BLOCK DIAGRAM
11
VIDEO3
12
1
7
CD
8
93
TAPE OUT
94
9
TAPE IN
10
11
12
13
2
VIDEO-2 IN
14
95
VIDEO-1 OUT
96
15
VIDEO-1 IN
16
24
L
FRONT
25
R
27
L
DVD
SURR.
28
R
26
3 CENTER
30
SUB WOOFER
Q281
74HCU04
COAXIAL
DIGITAL IN
OPTICAL 1
OPTICAL 2
OPTICAL 3
RI
RI
INTERFACE
4
VIDEO
VIDEO3
VIDEO2 IN
VIDEO1 IN
DVD
S-VIDEO
C Y
VIDEO 3
C Y
VIDEO 2 IN
5
C Y
VIDEO 1 IN
C Y
DVD
B
FM/AM TUNER
UNIT
3
4
1
1
Q301
BD3817KS
SELECTOR
VOLUME
TONE CONTROL
2CH A/D
96/24
Q701
DIR
CS494003CQ-Z
DSP
OSC.
12.288MHZ
Q702
MX29LV040
FLASH
MEMORY
LA7956
Q203
MUTE
6dB
Q202
VIDEO SELECTOR
0dB
Q201
LA7956
Q213
MUTE
Q211
6dB
LA7956
Q210
Q212
Q207
0dB
6dB
0dB
Q208
C
MAIN MICRO
PROCESSOR
1
1
-6dB
1
-6dB
1
Q804
L
R
Q800
Q802
AK4588VQ SL
SR
96/24
Q803
8CH D/A
C
SW
Q7301
SB
IC42S16100
16M SDRAM
Q801
(520 ONLY)
VIDEO OUT
MONITOR OUT
VIDEO 1
COMPONENT
VIDEO
DVD IN
RL242
S-VIDEO
CB
C Y
CR
MONITOR
CY
OUT
VIDEO
1/2/3 IN
CB
C Y
VIDEO 1
CR
Y
HT-R820THX
+4.5dB
-6dB
+6dB
Q302(1/2)
50KLPF
Q302(1/2)
+6dB
-6dB
50KLPF
+6dB
+4.5dB
50KLPF
+6dB
50KLPF
+6dB
50KLPF
+6dB
50KLPF
+6dB
50KLPF
POWER SUPPLY
+2.5V
Q7004
+5VDSP
DSP
+3.3V
BA33C25
12.5MHZ
MAIN MICROPROCESSOR
MPD784225GC
SUB MICROPROCESSOR
OUT
MPD780232GC
CB
CR
Y
RL241
D
M
V
INPUT GAIN
0
79
0/6dB
INPUT GAIN
81
0/6dB
INPUT GAIN
53 5
0/6dB
INPUT GAIN
55 5
0/6dB
INPUT GAIN
57 5
0/6dB
INPUT GAIN
48
0/6dB
INPUT GAIN
51
0/6DB
Q7008
BACK UP
5MHZ
OP
Q7502
F
Q
U7501
STANDBY
REMOTE
D7507
SENSOR