Block Diagram - Tuner/Audio Section - Sony STR-DG810 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
5-1. BLOCK DIAGRAM — TUNER/AUDIO SECTION —
PORTABLE AV IN
-2
J298 (2/2)
(Page 19)
XM
XML
E
SECTION
XMR
R-CH
TN1
FM/AM TUNER UNIT
L-CH
FM 75Ω R-CH
R-CH
COAXIAL
TUNED 117 RDS SIGNAL
ANTENNA
CE 27 TUNLAT
AM
DO/ST 26 TUNEDO
22 T_DI
DI
CL 13 T_CLK
TU+9V
T E
L 1 3 9 4 2 2 9 6 5 1 3
7
DET 101 CLINK_DET
5
RXD 100 CLINK_RX
6
99 CLINK_TX
TXD
BUFFER
IC3002
J1302
13
DMPORT
L 3
14
R R–CH
+5V REG
2
VBUS 4
IC1012
4
+5V
+5V REG
+5V 3
IC1031
+3.3V REG
+3.3V 4
IC1013
w w w
STR-DG810
VIDEO 3 IN/
VIDEO 1 SA-CD/CD/CD-R TV
AUDIO AUDIO IN IN IN
L R L R L R L R
-3 -3 -4 -3 -4 -5 -6
J402 (1/2) J405 (1/2)
SYSTEM
CONTROL
IC1010 (1/7)
VOL DA 11
VOL CL 10
1
F4001
RECT R2 AC
D4001
+6.5V REG
2 2 1
IC4001
F4002
R2 AC
1
+6.3V
+4V REG
2 2 1
IC4100
+4.1V
x a o
y
. i
http://www.xiaoyu163.com
SAT DVD
AUDIO IN AUDIO IN
L R L R
ANALOG SOUND
-1 -2 -3 -4
PROCESSOR
J403
IC401
26
30
32
34
SEL
24
SW
28
22
36
38
60 MCU
I/F
59
SL
SEL
Q Q
3 7 6
C
SEL
SW
SEL
SBL
SEL
54 56 51 52
POWER
D
SECTION
(Page 21)
SBLOUT
SW OUT
DIGITAL
C OUT
B
SECTION
SL OUT
(Page 16)
L OUT
u 1 6 3
15 15
http://www.xiaoyu163.com
2 4
8 9 9
SA-CD/CD/CD-R VIDEO 1
OUT AUDIO OUT
L R L
–7V +7V
-1 -2 -1
J405 (2/2)
68 66
VEE VCC
46
44
41 L-IN
R-CH 42 R-IN
L
88
L-CH
SEL
R-CH 87 R-CH
85 SL-CH
R-CH 84
SR-CH
3 1 5 1 5 0 8 9 2
86 C-CH
81 SW-CH
83 SBL-CH
49
m
c o
.
STR-DG810
2
8 9 9
R
-2
J402 (2/2)
DIGITAL
A
SECTION
(Page 16)
POWER
C
4 9 8 2 9 9
SECTION
(Page 21)
• Signal path
: TUNER (FM/AM)
: VIDEO (AUDIO)
: CD (ANALOG)
• R-ch is omitted due to
same as L-ch.