Block Diagram - Tuner/Audio Section - Sony STR-DE898 Service Manual

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Q Q
3 7 6 3 1 5 1 5 0
4-2. BLOCK DIAGRAM — TUNER/AUDIO SECTION —
VIDEO 3
VIDEO 1
INPUT
AUDIO
AUDIO
IN
L
R
L
R
J2702 (2/3)
-2
-3
-5
-6
-3
(DE998)
J2052 (2/2)
(DE898)
TN1
FM/AM TUNER UNIT
L-CH
FM 75Ω
COAXIAL
R-CH
R-CH
28
STEREO
TUNER_STEREO
TUNED
29
TUNER_AUTO_STOP
ANTENNA
30
MUTING
TUNER_MUTE
AM
CE
34
T.LAT
DO
31
TUNER_DO
DATA
33 T.DATA
CLOCK
32 T.SERIAL_CLK
TU+10V
22
WOOFER_RY
T E
L
1 3 9 4 2 2 9 6 5 1 3
-1
L
FRONT
w w w
STR-DE898/DE998
RELAY
DRIVER
Q300
VIDEO 2
DVD
TV/SAT
2ND
AUDIO
AUDIO
AUDIO
AUDIO
AUDIO
ZONE
OUT
IN
OUT
IN
IN
L
R
L
R
L
R
L
R
L
R
-4
-1
-2
-5
-6
-3
-4
-1
-2
J2553
J2552
TV/SAT
8
DVD
6
VIDEO 2 OUT
17
VIDEO 2
4
VIDEO 1 OUT
15
VIDEO 1
2
VIDEO 3
12
2ND_RY 41
[7.1_DAT] 1
[7.1_CLK] 2
116
VOL_IC.DATA
VOL_IC.CLK
117
SYSTEM
CONTROL
IC1101 (1/5)
J305
J304
(1/2)
-2
-3
-4
-5
-6
-1
-2
R
L
R
L
R
CENTER
SUB
WOOFER
SURROUND
SURR BACK
MULTI CH IN
x
a o
y
.
i
http://www.xiaoyu163.com
RY300
2ND ZONE AMP
IC300
J305 (2/2)
-3
L
1
3
OUT
-4
R
R-CH
FUNCTION SELECT
19
AUDIO
IN
10
46
AUDIO
SELECTOR
IC2560
AUDIO
OUT
13
38
SEL
SW
22 23
36
60
MCU
59
I/F
Q
Q
3
7
6
1
4
6
SEL
SW
SW
8
SEL
3
SBL
SEL
54
56
SBL OUT
SW OUT
DIGITAL
B
C OUT
SECTION
SL OUT
(Page 18)
L OUT
u 1 6 3
17
17
http://www.xiaoyu163.com
2
4
8
9
9
MD/TAPE
OUT
IN
L
R
L
R
DIR
-7V
+7V
-1
-2
-3
-4
IC401
J302
68
66
VEE
VCC
44
R-CH
45
1
22
R-CH
23
32
26
41
R-CH
42
L
88
SEL
R-CH
87
SL
85
SEL
3
1
5
1
5
0
8
9
R-CH
84
86
C
SEL
81
83
R-CH
82
5
51
52
49
SUB WOOFER
AMP
IC604
• Signal path
m
• R-ch is omitted due to
c o
same as L-ch.
.
STR-DE898/DE998
Ver. 1.1
2
8
9
9
PHONO
SA-CD/CD
IN
IN
L
R
L
R
-1
-2
-3
-4
J301
PHONO AMP
IC301
3
L-IN
DIGITAL
A
SECTION
R-IN
(Page 18)
L-CH
R-CH
SL-CH
2
4
9
8
2
9
9
SR-CH
POWER
C
SECTION
(Page 22)
C-CH
SBL-CH
SBR-CH
J306
PRE
SUB
7
OUT
WOOFER
RY351
RELAY
DRIVER
Q351
: TUNER (FM/AM)
: VIDEO (AUDIO)
: CD (ANALOG)

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