Block Diagram - Tuner/Audio Section - Sony STR-DG910 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
5-1. BLOCK DIAGRAM — TUNER/AUDIO SECTION —
VIDEO 2/BD PORTABLE AV IN
AUDIO IN
L R
-3 -4 -2
J303 (1/2) J298 (2/2)
US,CND MODEL
(Page 21)
XM
XML
D
SECTION
XMR R-CH
TN1
FM/AM TUNER UNIT
L-CH
R-CH
FM 75Ω R-CH
COAXIAL
TUNED 117 RDS SIGNAL
ANTENNA
CE 27 TUNLAT
AM
DO/ST 26 TUNDO
DI 22 T_DI
CL 13 T_CLK
TU+9V
T E
L 1 3 9 4 2 2 9 6 5 1 3
RDS_CL 84 RDS CLK/XMDPOWER
RDS_DATA
86 RDS_DATA
AEP,UK MODEL
7
DET 101 CLINK_DET
5
RXD 100 CLINK_RX
6
TXD 99 CLINK_TX
BUFFER
IC211
J1302
DMPORT 13
5
L
14
R R–CH
+5V REG
2
VBUS 4
IC1012
4
+5V
+5V REG
3
+5V IC1031
+3.3V REG
+3.3V
4
IC1013
w w w
STR-DG910
VIDEO 3 IN/
VIDEO 1 SA-CD/CD/CD-R AUX
AUDIO AUDIO IN IN IN
L R L R L R L R
-3 -3 -4 -5 -6 -1 -2 -1
J304 (1/2) J301 (1/2)
9
7
5
3
1
DIGITAL
C
MIC_L
SECTION
SYSTEM
(Page 18)
CONTROL
IC1010 (1/7)
ANALOG SW DATA 31
A_SW_CLK 24
VOL DA 11
VOL CL 10
7
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
TV SAT DVD
IN AUDIO IN AUDIO IN
L R L R L R
-2 -3 -4 -5 -6
ANALOG SOUND
J302
PROCESSOR
IC401
26
24
38
SEL
SW
14 22
AUDIO SELECT
IC2560 (1/2)
22 23
36
28
32
34
SL
SEL
Q Q 60
MCU
3 7 6
59 I/F
C
SEL
SW
SEL
SBL
SEL
56 51 52
54
POWER
F
SECTION
(Page 23)
SBLOUT
SW OUT
DIGITAL
B C OUT
SECTION
SL OUT
(Page 18)
L OUT
u 1 6 3
17 17
http://www.xiaoyu163.com
2 4
8 9 9
SA-CD/CD/CD-R VIDEO 1
OUT AUDIO OUT
L R L
–7V +7V
-3 -4 -1
J301 (2/2)
68 66
VEE VCC
AUDIO SELECT
IC2560 (2/2)
46
16
44 11
18
41 L-IN
R-CH R-IN
42
L
88 L-CH
SEL
R-CH
87 R-CH
85 SL-CH
3 1 5 R-CH 1 84 5 0 8 9 SR-CH 2
86
C-CH
81
SW-CH
83 SBL-CH
R-CH 82 SBR-CH
49
m
c o
.
STR-DG910
2
8 9 9
VIDEO 2/BD
AUDIO OUT
R L R
-2 -1 -2
J304 (2/2) J303 (2/2)
DIGITAL
A
SECTION
(Page 18)
4 9 8 2 9 9
POWER
E
SECTION
(Page 23)
• Signal path
: TUNER (FM/AM)
: VIDEO (AUDIO)
: CD (ANALOG)
• R-ch is omitted due to
same as L-ch.
• Abbreviation
CND : Canadian model