Diagrams; Block Diagram - Tuner/Audio Section - Sony STR-DH720 Service Manual

5-1. BLOCK DIAGRAM – TUNER/AUDIO Section –
VIDEO 1
AUDIO IN
L
-4 -5
US, CND
TN1
FM/AM TUNER UNIT
L-CH
FM 75
R-CH
COAXIAL
SD
ANTENNA
CE
AM
DI
CLK
DO
TU+9V
ECE
TN1
FM/AM TUNER UNIT
L-CH
R-CH
FM 75
COAXIAL
SD
CE
ANTENNA
DI
AM
CLK
DO
TU+9V RDS INT
RDS DATA
J4100
AUTO CAL
MIC
STR-DH720/DH720HP
SAT/CATV SA-CD/CD TV VIDEO 2 IN
AUDIO IN AUDIO IN
AUDIO IN
R L R L R L R L
-7 -8 -1 -2 -4 -5
J401 (1/2) J409
8 TUNER_SD
21 TUNER_LAT
9 TUNER_MOSI
10 TUNER_CLK
EVOL_DATA 97
23 TUNER_MISO
EVOL_CLK 96
SYSTEM
CONTROL
IC2105 (1/5)
11 TUNER_RDS_CLK
22 TUNER_RDSDATA
41
MIC MUTE
Q4121 - Q4123
DRIVER
OP AMP
IC4121
5 2+ 1OUT 1
SECTION 5

DIAGRAMS

AUDIO
R
J101 (1/2) FUNCTION SELECT
48
47
52
51
42
41
SEL
46
SW
45
57
58
10
MCU
11 I/F
5 3
INR2
1 62
2
AUDIO AMP
INL2
IC101 7 61
6
SW
SEL
SB
SEL
INL3
59
60 INR3
66 71
SBL
SBR
SW OUT
DIGITAL
C OUT
C
SECTION
SL OUT
(Page 14)
SR OUT
FL OUT
FR OUT
13 13
DIR -7V +7V
IC400
12 8
VEE VCC
25
26
76
R-CH 75
L
14
SEL
R-CH 13
SL
18
SEL
R-CH 17
C
16
SEL
15
R-CH 19
20
70 68 72 69 73 67
STR-DH720/DH720HP
VIDEO 1
AUDIO OUT
L R
-1 -2
J401 (2/2)
DIGITAL
L-IN
A
SECTION
(Page 14)
R-IN
FL-CH
FR-CH
SL-CH
SR-CH
POWER KEY
B
SECTION
C-CH
(Page 18)
SW-CH
SBR-CH
SBL-CH
: TUNER (FM/AM)
: VIDEO (AUDIO)
: CD (ANALOG)
: TUNER