Block Diagram - Tuner/Audio Section - Sony STR-DE597 Service Manual

STR-DE597
4-3. BLOCK DIAGRAM — TUNER/AUDIO SECTION —
J402
TN1
FM/AM TUNER UNIT
AEP,UK MODEL
L-CH
RDS DATA
FM 75Ω
RDS INT
COAXIAL
FM SIG OUT
R-CH
R-CH
STEREO
ANTENNA
TUNED
MUTING
AM
CE
TU+10V
DO
AEP,UK MODEL
DATA
TU+3.3V
CLOCK
EXCEPT
3.3V
AEP,UK MODEL
(STBY)
J401
-1 -2 -3 -4 -5 -6
L R L R
SUB
FRONT SURROUND
WOOFER
CENTER
MULTI CH IN
SA-CD/CD MD/TAPE MD/TAPE DVD AUDIO
IN OUT IN IN
L R L R L R L R
-1 -2 -3 -4 -1 -2 -3 -4
J403
53 RDS DATA
52 RDS CLK
43 RDS SIG
76 STEREO
75 TUNED
78
MUTE
16
IC.DATA
74 S LATCH
IC.CLK 17
73
DO
VOL LATCH
22
SYSTEM
CONTROL
70 SW RY
IC1101 (1/4)
DIR
FUNCTION SELECT
IC401
61
4
72
74
SEL
SW
76
80
L
SEL
18
MCU
20
I/F
19
SL
SEL
57
54
C
55
SEL
SW
56
SEL
R-CH
53 R-CH
R-CH 58 R-CH
SBL
52
SEL
51 R-CH
15 11 12 13 10
SBL OUT
SW OUT
DIGITAL
C
C OUT
SECTION
SL OUT
(Page 17)
L OUT
16 16
3.3V
VIDEO 1 VIDEO 2
REG +7V
Q471
AUDIO OUT AUDIO IN AUDIO IN
L R L R L R
-7V +7V
-3 -4 -5 -6 -1 -2
J404
21 24 22
DVDD AVEE AVCC
63
R-CH 62
68
R-CH 67
70
R-CH 69
6 L-CH
R-CH 7 R-CH
46 FL-CH
R-CH
47 FR-CH
MUTE
Q300,310
40 SL-CH
R-CH 41 SR-CH
MUTE
Q320,330
35 C-CH
MUTE
Q350
SB-CH
34
MUTE
Q340
28
R-CH 29
MUTE
5 7
Q360
SUB WOOFER
AMP
Q379
IC402
DIGITAL
B
SYSTEM MUTE
SECTION
(Page 17)
• Signal path
: TUNER (FM/AM)
: VIDEO (AUDIO)
• R-ch is omitted due to
same as L-ch.
DIGITAL
A
SECTION
(Page 17)
POWER
D
SECTION
(Page 20)
J309
AUDIO SUB
OUT WOOFER
RY560
RELAY
DRIVER
Q560