Sony STR-K7000, Service Manual

Page: 14 / 72

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