Block Diagram - Tuner/Audio Section - Sony STR-DG510 Service Manual

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3 7 6 3 1 5 1 5 0
5-1. BLOCK DIAGRAM — TUNER/AUDIO SECTION —
TN1
FM/AM TUNER UNIT
L-CH
FM 75Ω
COAXIAL R-CH
R-CH
ANTENNA
TUNED 43 RDS SIG
AM
CE 74 SLATCH
DO/ST 73 DO/ST
47 TUNER_DATA
DI
CL 46 TUNER_CLK
TU+9V
RDS-CL 52 RDS_CLK
RDS-DATA 53 RDS_DATA
T E
L 1 3 9 4 2 2 9 6 5 1 3
AEP,UK MODEL
w w w
STR-DG510
VIDEO 1
SA-CD/CD TV SAT
AUDIO IN AUDIO IN AUDIO IN AUDIO IN
L R L R L R L R
-3 -4 -1 -2 -3 -4 -5 -6
J401 (1/2)
SYSTEM
CONTROL
IC1101 (1/6)
60
VOL_DA
VOL_IC_CL 59
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y
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FUNCTION SELECT
J400
IC400
7
6
9
8
SEL
3
SW
2
5
4
10
24
MCU
25 I/F
Q Q
3 7 6
SEL
SW
SEL
21 20
SW OUT
C OUT
DIGITAL
B SL OUT
SECTION
(Page 16)
L OUT
u 1 6 3
.
15 15
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2 4
8 9 9
+3.3V
+3.3V REG
Q471
DIR +7V
26 27
DVDD AVCC
53
54
13
R-CH 14
L
49
SEL
R-CH
48
SL
40
SEL
R-CH
41
3 1 5 1 5 0 8 9 2
C
33
32
19 16
• Signal path
• R-ch is omitted due to
same as L-ch.
m
c o
STR-DG510
2
8 9 9
VIDEO 1
AUDIO OUT
+7V
L R
-1 -2
J401 (2/2)
L-IN
DIGITAL
A
SECTION
R-IN
(Page 16)
L-CH
R-CH
SL-CH
SR-CH
POWER
C
SECTION
4 9 8 2 9 9
(Page 20)
C-CH
SW-CH
: TUNER (FM/AM)
: VIDEO (AUDIO)
: CD (ANALOG)