Sony STR-K7100 Service Manual - Page 15

Block Diagram - Tuner/audio

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

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