Read Sony STR-DE495 / STR-DE595 Service Manual online
STR-DE495/DE595
16
16
4-3. BLOCK DIAGRAM — TUNER/AUDIO SECTION —
4
80
60
R-CH
R-CH
R-CH
J402 (1/2)
J403
J404 (1/2)
J401
-1
L
-2
R
IN
CD
(DE495)
CD/SACD
(DE595)
IN
MD/TAPE
DVD
FM 75Ω
COAXIAL
AM
ANTENNA
TU+10V
TM301
FM/AM TUNER UNIT
TU+3.3V
+10V
L CH
R CH
STEREO
TUNED
MUTE
CE
RDS SIGNAL
RDS DATA
RDS CLOCK
STEREO
TUNED
MUTE
SLATCH
DO
FM OUT
RDS DATA
RDS INT
STEREO
TUNED
MUTE
CE
CLK
DATA
DO/DI
DATA
CLK
LATCH-VOL IC
WOOFER RELAY
ST-DO/MC-DI
ST-DI/MC-DO
CLK
AEP,UK MODEL
DE595
STEREO
TUNED
MUTE
CE
DO/DI
DATA
CLK
FM SIGNAL OUT
RDS DATA
FM OUT
RDS DATA
RDS INT
RDS INT
R-CH
REC L2
58
REC L1
14
BAL L+
17
BAL R+
R-CH
INL1
2
INL2
INL3
INL4
INL5
INL6
INL7
INL9
LIN1
SLIN1
SW IN1
C IN1
78
76
R-CH
R-CH
VIDEO 2
VIDEO 1
AUDIO
IN
AUDIO
IN
74
72
68
INL10
INL8
R-CH
R-CH
MULTI
CH IN
FRONT
SURROUND
CENTER
SUB
WOOFER
10
20
43
53
52
74
73
75
78
76
14
15
16
68
24
25
23
LOUT
41
36
35
5
7
SLOUT
47
ROUT
R-CH
R-CH
42
SROUT
COUT
SWOUT
67
31
30
AVEE
SAVCC
DVDD
28
27
29
R-CH
R-CH
R-IN
L-IN
J402 (2/2)
-4
R
-3
L
OUT
MD/TAPE
VIDEO 1
J404 (2/2)
-3
L
-4
R
AUDIO
OUT
-1
L
-2
R
-5
L
-6
R
-1
L
-2
R
-3
L
-4
R
-1
L
-2
R
AUDIO
IN
-3
L
-4
R
7
MUTE
Q361,362
MUTE
Q365,366
MUTE
Q363
MUTE
Q364
RELAY
DRIVER
Q560
L OUT
C OUT
SW OUT
SL OUT
LIN2
CIN2
SWIN2
SLIN2
MCU
I/F
DATA
CLK
LATCH
DIR
FUNCTION
SELECT
IC201
RY560
Q379
INV.
FC MUTE
J405
SUB
WOOFER
AUDIO
OUT
FL-CH
FR-CH
SL-CH
SR-CH
C-CH
WOOFER
AMP
IC401
11
(0/6/12/18dB)
(0/6/12/18dB)
(0/6/12/18dB)
(0 – -99dB)
(0 – -99dB)
(0 – -99dB)
+3.3V
REG
Q471
+7V
-7V
+7V
-6
-5
TUNER
VOL IC/
TUNER
SYSTEM
CONTROL
IC1601 (1/4)
POWER
SECTION
D
DIGITAL
SECTION
A
DIGITAL
SECTION
B
DIGITAL
SECTION
C
(0/6/12/18dB)
(0 – -99dB)
ATT
0/-6/-12/-18dB
65
70
8
54
56
39
38
33
55
40
37
34
• Signal path
: TUNER (FM/AM)
: CD (ANALOG)
: VIDEO (AUDIO)
• R-ch is omitted due to
same as L-ch.
same as L-ch.
(Page 17)
(Page 17)
(Page 17)
(Page 19)
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