Onkyo A-9070, Service Manual

Page: 6 / 81

A-9000R / 9070
Schematic Diagrams - 1
Block Diagram
A
1
2
3
4
5
B C D E F G H
6
7
8
I J K
L-MVR-IN
L-SW-OUT
R-SW-OUT
L-TVR-IN
R-TVR-IN
R-MVR-IN
R-SW-IN3
L-SW-IN3
L-TVR-OUT
R-TVR-OUT
HP_RL
REMIN
MUTE_LINE
APOWER_RL
SELECTOR
VOLUME
R-MVR-OUT
L-MVR-OUT
FL out_n
FR out_n
FL out_p
FR out_p
Equalizer
LEFT
RIGHT
SP-A
SP-A
SP-B
Lch
Rch
PRE OUT
TC94A81UG
SP-B
1st
2nd
1st
2nd
Power AMP
Power AMP
0dB FIX TONE
Power SW MPU
+5V
Relay
MPU
FUSE
15V
Analog -15V
+15V
-15V
Digtal/CPU
+5/3.3V
H.P VOL
0dB FIX
0dB FIX
MAX 2.2k
MAX 2.2k
0dB FIX
M61540
14dB Amp
0dB FIX
0dB FIX
MAIN IN
PRE OUT
TONE
Head Phone
AC IN
SDOUT
SCK0
BCK
LRCK
RX4
DIR RX
NC
NC
RX1
RX0
RX7
RX6
RX5
RX2
RX3
MPIO_B
SDA/SCL
I2S
CLOCK JITTER
CLEANER
DATA
I2S
DATA
I2S
PCM9211
I2S OUT
D-
D+
differential in
SPDIF OUT
EEPROM
max 64KB
optional
CM6631
Internal DAC
PHONO
MAIN MPU
R5F212A7SNFA
Remote Sensor
INPUT SELECTOR
RI
diDRC
NC
TONE
PRE OUT MAIN IN
NC
SP
SPRL_A
SPRL_B
SPRL_A
SPRL_B
2ch DAC
WM8742
WM8742
2ch DAC
OPT
SPDIF
COAX1
COAX2
AES /EBU
10aa010
I2S
Head Phone
Phono MM/MC
SPDIF
VOLUME
LINE1
LINE2
LINE3
LINE OUT
VOL
Buffer diDRC
NC
14dB
VOL
AutoStandby
DAC +12V
DAC -12V
LINE2
LINE1
LINE3
PHONO
LINE OUT
Buffer
Buffer
diDRC
diDRC
14dB Amp
Buffer
diDRC
Buffer
diDRC
diDRC
AutoStandby DET.
DIRECT
Internal DAC
3-3-2 x2
Internal DAC
TC9163CFG
Buffer diDRC
Buffer diDRC
3-3-2 x2
TC9163CFG
TONE in
TONE in
TONE out
TONE out
Buffer
diDRC
Model No. A-9000R/A-9070 SCHEMATIC DIAGRAM (PART-1) BLOCK DIAGRAM
30
35
21
26
40
38
16
18
32
31
24
25
NPJ-2PDWR705
5
2
1
4
3
NPJ-2PDWR705
5
2
1
4
3
NPJ-2PDWR705
5
2
1
4
3
NPJ-2PDWR705
5
2
1
4
3
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
NPJ-2PDWR705
5
2
1
4
3
T951
NPT-1598
C
..
+
C
..
+
T901
NPT-1606
C
..
+
C
..
+
C
..
+
C
..
+
C
..
+
220-330
220-330
C
..
+
NPJ-2PDWR705
5
2
1
4
3
NPJ-2PDWR705
5
2
1
4
3
24.576MHz
45.158MHz 49.152MHz 12MHz
P770
USB CONNECTOR
NSCT-4P2179
8 7 6 5
4
3
2
1
D-
D+
GND
+V
Chassis GND
6MHz
P1310
NC
3
1
2
P1310
NC
3
1
2
OPT1
2
GND
3
VCC
1
OUT
SPEAKER A SPEAKER B
MAIN IN DIRECT FL OFF
TC9163CNG
VDD
L1
L2
L3
L-COM1
L4
L5
L6
L-COM2
L7
L8
L-COM3
ST
GND
CK
DATA
R-COM3
R8
R7
R-COM2
R6
R5
R4
R-COM1
R3
R2
R1
1
VEE
TC9163CNG
VDD
L1
L2
L3
L-COM1
L4
L5
L6
L-COM2
L7
L8
L-COM3
ST
GND
CK
DATA
R-COM3
R8
R7
R-COM2
R6
R5
R4
R-COM1
R3
R2
R1
1
VEE