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

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