Block Diagram - Tuner/Audio Section - Sony STR-DH510 Service Manual

STR-DH510
4-1. BLOCK DIAGRAM – TUNER/AUDIO Section –
TN1
FM/AM TUNER UNIT
L-CH
R-CH
FM 75
COAXIAL
ANTENNA
AM
CLK
TU+9V
5
6
7
13
J2901
11
DMPORT
DC5V
14
0.7A MAX
12
2
4
STR-DH510
VIDEO SA-CD/CD
AUDIO IN AUDIO IN AUDIO IN
L R L R L
-3 -4 -1 -2 -3
J404 (1/2)
SYSTEM
SD 63
TUNER_SD
CONTROL
IC2101 (1/5)
64 TUNER_CE
CE
EVOL_DATA 18
DI 74 TUNER_MOSI
EVOL_CLK 19
75 TUNER_CLK
DO 76 TUNER_MISO
DMPORT_DET 7
KEY/DISPLAY
D
DMPORT_RX
SECTION
DMPORT_TX
DMPORT_TX
DET
DMPORT AMP
IC2902
L+
3
1
L–
2
R+
5
7
R–
6
IC2901 (1/2)
VBUS+5V
4 +5V REG 2 +6V
VIDEO+5V
TV SAT/CATV
AUDIO IN
R L R
-4 -5 -6
J402
48
47
52
51
42
41
46
45
61
62
57
58
10
11
SW OUT
C OUT
DIGITAL
SL OUT
B
SECTION
SR OUT
FL OUT
FR OUT
12 12
DIR -7V +7V
FUNCTION SELECT
IC400
12 8
VEE VCC
25
SEL 26
SW
76
R-CH 75
L
14
SEL
R-CH 13
MCU
I/F
SL
18
SEL
R-CH 17
C
16
SEL
SW
15
SEL
71 70 68 72 69 73
VIDEO
AUDIO OUT
L R
-1 -2
J404 (2/2)
DIGITAL
L-IN A
SECTION
R-IN
FL-CH
FR-CH
SL-CH
POWER KEY
C
SR-CH
SECTION
C-CH
SW-CH
: TUNER (FM/AM)
: VIDEO (AUDIO)
: CD (ANALOG)