Block Diagram - Onkyo TX-SR502 Service Manual

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
PACK
3
4
Q301
BD3817KS
SELECTOR
VOLUME
TONE CONTROL
S
2CH A/D
96/24
DIR
CS494003CQ-Z
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
MAIN MICRO PROCESSOR
RDS DECODER
BU1924FS
MPP TYPE ONLY
1
1
1
1
-6dB
1
-6dB
1
Q800
AK4588VQ
Q701
96/24
8CH D/A
DSP
Q7301
IC42S16100
16M SDRAM
(520 ONLY)
VIDEO OUT
MONITOR OUT
VIDEO 1
COMPONENT
VIDEO
VIDEO1
S-VIDEO
CB
C Y
CR
MONITOR
CY
OUT
VIDEO2
CB
C Y
VIDEO 1 CR
Y
TX-SR502/E/8250/HT-R520
C
+4.5dB
-6dB
Q804
+6dB
Q302(1/2)
L
50KLPF
Q302(1/2)
+6dB
-6dB
R
50KLPF
+6dB
Q802
+4.5dB
SL
50KLPF
+6dB
SR
50KLPF
+6dB
Q803
C
50KLPF
+6dB
SW
50KLPF
+6dB
SB
50KLPF
Q801
POWER SUPPLY
+2.5V
Q7004
DSP
+3.3V
BA33C25
12.5MHZ
MAIN MICROPROCESSOR
MPD784225
Q7502
SUB MICROPROCESSOR
RL242
OUT
MPD780232GC-030
CB
CR
Y
PURE
AUDIO
D7504
EXCEPT MDD, MDC TYPE
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
+5VDSP
Q7008
BACK UP
5MHZ
OPERA
FL D
Q750
STANDBY U7501
REMOTE
D7507
SENSOR