Block Diagram - Tuner/Audio Section - Sony STR-K7000 Service Manual

STR-K7000
4-2. BLOCK DIAGRAM — TUNER/AUDIO SECTION —
XM L
XM R
R–CH
XM
XM REQ
C
SECTION XM DBPOWER
XM COMMAND
(Page 17)
XM DACMS
XM RESET
TN1
FM/AM TUNER UNIT
L–CH
FM 75Ω
COAXIAL
R–CH
STEREO
ANTENNA
TUNED
AM
MUTING
CE
TU+10V
DO
DATA
CLOCK
KEY/
D
DISPLAY FL CLK
FL DATA
SECTION
(Page 18)
STR-K7000
SA-CD/CD MD/TAPE MD/TAPE DVD AUDIO
IN OUT IN
L R L R L R L
-3 -4 -1 -2 -3 -4 -1 -2
J402 J403
53 RDS DATA/XM COMMAND
52 RDS CLK/XM DPOWER
43 RDS SIG/XM REQ
R–CH
76 STEREO
SYSTEM CONTROL
75 TUNED
IC1101 (1/5) XM_RST 26
78 MUTE
XM DACMS 47
VOL DA 60
74 S LATCH
VOL CL 59
73 DO
17 TUNER DATA/FL DATA
16 T.SERIAL CLK/FL CLK
70 SW RY
J401
-5 -6 -3 -4 -1 -2
L R L R
SUB
FRONT SURROUND
WOOFER
CENTER
MULTI CH IN
VIDEO 3 IN/
PORTABLE AV IN
AUDIO
IN
R L R
-2 -3 DIR
J298(2/2) FUNCTION SELECT
IC401
46
22
28
32
30
34 SEL
SW
36
38
60 MCU
I/F
59
SL
SEL
10
13
C
12
SEL
SW
17
SEL
R–CH 11
R–CH
14
R–CH R–CH
SBL
SEL
54 56 51 52
SBL OUT
SW OUT
DIGITAL
B
C OUT
SECTION
SL OUT
(Page 15)
L OUT
14 14
VIDEO 1 VIDEO 2
AUDIO OUT AUDIO IN AUDIO IN
L R L R L R
–7V +7V
-3 -4 -1 -2 -5 -6
J404
68 66
AVEE AVCC
44
R–CH 45
24
R–CH 25
26
R–CH 27
41 L–CH
R–CH 42 R–CH
L
88
L–CH
SEL
R–CH
87 R–CH
85 SL–CH
R–CH
84 SR–CH
86 C–CH
81 5 7
SUB WOOFER
AMP
IC402
83
RELAY
DRIVER
Q560
82
R–CH
49
DIGITAL
A
SECTION
(Page 15)
POWER
E
SECTION
(Page 19)
J309
AUDIO SUB
OUT WOOFER
RY560
• Signal path
: TUNER (FM/AM)
: VIDEO (AUDIO)
: CD (ANALOG)
• R ch is omitted due to
–
same as L ch.
–