Block Diagram - Tuner/Audio Section - Sony STR-DE485 Service Manual

STR-DE485/DE485E
4-3. BLOCK DIAGRAM — TUNER/AUDIO SECTION —
TM301
FM/AM TUNER UNIT
TU+10V
+10V
L CH
FM 75Ω
COAXIAL
R CH R-CH
ANTENNA
STEREO
AM
TUNED
MUTE
CE
ST-DO/MC-DI
ST-DI/MC-DO
CLK
FM SIGNAL OUT
RDS DATA
RDS INT
TU+3.3V
AEP,UK MODEL
SYSTEM
CONTROL
IC1601 (1/4)
RDS SIGNAL 43
RDS DATA
53
RDS CLOCK 52
STEREO
76
TUNED 73
TUNER
MUTE 75
78
SLATCH
76
DO
DATA 14
VOL IC/
TUNER
CLK 15
LATCH VOL IC 16
WOOFER RELAY 69
All manuals and user guides at all-guides.com
J402 (1/2)
-1
L
STEREO
CD IN
TUNED -2
R R-CH
MUTE
CE
DO/DI
J403
-3
DATA
L
CLK
AUDIO
DVD/LD
IN -4
R-CH
R
-1
FM OUT
L
RDS DATA
MD/TAPE
IN
RDS INT -2
R-CH
R
J404 (1/2)
-5
L
AUDIO
VIDEO 1
IN
-6
R-CH
R
-1
L
AUDIO
VIDEO 2
IN -2
R-CH
R
J401
-1
L
FRONT
-2
R-CH
R
-3
MULTI L
SURROUND
CH IN
-4
R-CH
R
FM OUT
-6
SUB
RDS DATA
WOOFER
-5
RDS INT
CENTER
DSLIN
STEREO
DSWIN
TUNED DIGITAL
3
SECTION
DCIN
MUTE
(Page 17)
CE CLK
DLIN
DO/DI DATA
DIR
FUNCTION
SELECT
IC201
IN 8 LREC 3
1
IN 9 LREC 1
2
IN 10
3
IN 5
0/6/12dB
68
ALOUT
ATT
0/-6dB
IN 6
69
AROUT
R-CH
IN 7
70
IN 8
71
0/6/12dB
IN 1 LSELOUT
62
SLDELOUT
IN 2
63
IN 3
64
CSELOUT
AL IN
11
0/6/12dB
ASL IN
13
0/6/12dB
ASW IN SWSELOUT
16
AC IN
15
0/6/12dB
DSL IN
29
DSW IN
32
DC IN
31
DL IN
27
DATA
20
MCU
CLK
21
I/F
LATCH
22
16 16
J402 (2/2)
R-CH
67
J404 (2/2)
61
R-CH
10
9
LOUT
49 50 51
ROUT
R-CH 55
SLOUT
45 46 47
SROUT
R-CH
43
MUTE
Q361,362
COUT
37 38 39
SWOUT
33 34 35
Q379
INV.
+7V
VCC
+3.3V
+3.3V
REG
Q471
-4
R
OUT MD/TAPE
-3
L
-3
L
AUDIO
VIDEO 1
-4 OUT
R
L-IN
DIGITAL
1
SECTION
R-IN
(Page 17)
FL-CH
FR-CH
SL-CH
POWER
4
SR-CH
SECTION
(Page 19)
MUTE
Q365,366
C-CH
MUTE
Q363
WOOFER
AMP
IC401 J405
SUB
5 7 WOOFER
AUDIO
OUT
MUTE
Q364
RELAY
DRIVER
Q560
RY560
DIGITAL
2
FC MUTE
SECTION
(Page 17)
+7V
• Signal path
: TUNER (FM/AM)
: CD (ANALOG)
: VIDEO
• R-ch is omitted due to
same as L-ch.