Block Diagram - Tuner/Audio Section - Sony STR-DH520 Service Manual

STR-DH520
4-1. BLOCK DIAGRAM – TUNER/AUDIO Section –
TN1
FM/AM TUNER UNIT
L-CH
FM 75
R-CH
COAXIAL
ANTENNA
AM
CLK
TU+9V
UK, TW, AUS, ECE
TN1
FM/AM TUNER UNIT
L-CH
R-CH
FM 75
COAXIAL
ANTENNA
AM
CLK
TU+9V RDS INT
RDS DATA
J406
AUTO CAL MIC
STR-DH520
VIDEO SAT/CATV SA-CD/CD
AUDIO IN AUDIO IN
AUDIO IN
L R L R L
-4 -5 -7 -8 -1 -2
J401 (1/2)
US, CND
SD 8 TUNER_SD
SYSTEM
CONTROL
CE 21 TUNER_LAT
IC2105 (1/5)
DI 9 TUNER_MOSI
10 TUNER_CLK
EVOL_DATA
DO 23 TUNER_MISO
EVOL_CLK
SD
CE
DI
DO
11 TUNER_RDS_CLK
22 TUNER_RDSDATA
UK, TW, AUS, ECE
IC500
5
DCAC AMP 1
TV
J407
AUDIO IN
PORTABLE IN
(MINI JACK)
R L R
-4 -5
J409
56
55
48
47
52
51
42
41
46
45
57
58
97 10
MCU
96 11
60
59
SBL
SBR
SW OUT
DIGITAL
C OUT
C
SECTION
SL OUT
(Page 13)
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
I/F
R-CH 13
SL
18
SEL
R-CH 17
C
16
SEL
SW
15
SEL
R-CH 19
SB
20
SEL
66 71 70 68 72 69 73 67
VIDEO
AUDIO OUT
L R
-1 -2
J401 (2/2)
DIGITAL
L-IN
A
SECTION
R-IN
(Page 13)
FL-CH
FR-CH
SL-CH
SR-CH
POWER KEY
B
SECTION
C-CH
(Page 17)
SW-CH
SBR-CH
SBL-CH
: TUNER (FM/AM)
: VIDEO (AUDIO)
: CD (ANALOG)
: TUNER