Block Diagram - Tuner/Audio Section - Sony STR-K7100 - Multi Channel Av Receiver Service Manual

5-2. BLOCK DIAGRAM — TUNER/AUDIO SECTION —
J298 (2/2)
TN1
FM/AM TUNER UNIT
L-CH
FM 75Ω R-CH
R-CH
COAXIAL
SD 117 TUNER SD
ANTENNA
CE 27 TUN LAT
AM
DO/ST/SD 26 TUN DO
80 TUNER_DATA
DI
CL 79 TUNER_CLK
TU+9V
7
C LINK DET 104 LINK DET
5
C LINK_RX
6
C LINK_TX
BUFFER
IC3002
J1311
13
DMPORT
L 3
14
R
R–CH
+6.5V
+5V REG
2
VBUS+5V 4
IC1906
4
VIDEO 5V
STR-K7100
VIDEO 3 IN/
PORTABLE AV IN
VIDEO 1 SA-CD/CD/CD-R TV
AUDIO AUDIO IN IN AUDIO IN
L R L R L R L R
-2 -3 -3 -4 -3 -4 -5 -6
J402 (1/2) J405 (1/2)
SYSTEM
CONTROL
IC1907 (1/6)
VOL_DA 11
VOL_CL 10
XML
RCH XMR
XM
E
SECTION
XM RESET
XM RESET 3
(Page 19)
XM DB POWER 84 DB POWER
XMDACMC
XM DACMC 6
C LINK RX
KEY/DISPLAY
F
SECTION
C LINK TX
(Page 20)
1
F4001
RECT R2 AC
D4001
+6.5V REG
OUTPUT/POWER
2 2 1 D
IC4001
F4002
R2 AC
SAT DVD
AUDIO IN AUDIO IN
L R L R
-1 -2 -3 -4
J403
DIR
FUNCTION SELECT
IC401
26
30
32
34
SEL
24
SW
28
36
38
22
60 MCU
I/F
59
C
SEL
SW
SEL
56 51
SW OUT
C OUT
DIGITAL
SECTION B
SECTION SL OUT
(Page 21)
(Page 16)
L OUT
15 15
SA-CD/CD/CD-R
OUT
L R
-1 -2
J405 (2/2)
–7V +7V
68 66
VEE VCC
46
44
41 L-IN
R-CH R-IN
42
L
88
L-CH
SEL
R-CH
87 R-CH
SL
85 SL-CH
SEL
R-CH 84
SR-CH
86
C-CH
81
SW-CH
52 49
STR-K7100
VIDEO 1
AUDIO OUT
L R
-1 -2
J402 (2/2)
DIGITAL
A
SECTION
(Page 16)
OUTPUT/POWER
C
SECTION
(Page 21)
• Signal path
: TUNER (FM/AM)
: VIDEO (AUDIO)
: CD (ANALOG)
• R-ch is omitted due to
same as L-ch.