Read Sony STR-DE895 Service Manual online
STR-DE895
20
4-2. DIAGRAMA EM BLOCOS — SEÇÃO TUNER/AUDIO —
DIGITAL
SECTION
C
DIGITAL
SECTION
B
DIGITAL
SECTION
A
POWER
SECTION
D
28
29
30
29
30
34
31
33
31
33
32
22
22
AUDIO
IN
AUDIO
OUT
AUDIO
IN
L
R
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
L
R
L
R
VIDEO 2
DVD
AM
TM301
FM/AM TUNER UNIT
BUFFER
IC1142
SYSTEM
CONTROL
IC1101 (1/4)
TV/SAT
AUDIO
OUT
AUDIO
IN
AUDIO
IN
L
R
L
R
L
R
J2553
J2552
L
-1
-2
-3
-4
J302
R
L
MD/TAPE
OUT
IN
R
R-CH
T.LAT
T.DATA
T.SERIAL_CLK
WOOFER_RELAY
WOOFER_RELAY
VOL_IC.DATA
VOL_IC.CLK
VOL_IC.LAT
006_LAT
7.1_DAT
7.1_CLK
011_LAT
TUNER_STEREO
TUNER_AUTO_STOP
TUNER_AUTO_STOP
TUNER_MUTE
TUNER_DO
L-CH
R-CH
STEREO
TUNED
MUTING
CE
DO
DATA
CLOCK
MUTE
Q541,591
MUTE
Q641,691
MUTE
Q491,791
MUTE
Q441
MUTE
Q391
SUB
WOOFER
PRE
OUT
OUT
RELAY
DRIVER
Q351
Q410
SUB WOOFER
AMP
IC604
J2551
RY351
SBR-CH
SYSTEM MUTE
SBL-CH
C-CH
SR-CH
FR-CH
SL-CH
FL-CH
R-CH
L-CH
TU+10V
10
9
11
56
7
53
4
58
3
1
2
1
2
116
117
117
118
4
13
1
5
5
9
11
3
6
6
8
23
24
19
24
19
25
20
26
21
20
26
21
VIDEO 1
VIDEO 3
INPUT
L
R
R-CH
AUDIO
FM 75Ω
COAXIAL
22
63
62
74
73
21
24
22
2
80
18
20
20
19
16 15 14
16 15 14
18
4
SUB
WOOFER
SURR
BACK
SUB
WOOFER
L
R
R-CH
R-CH
R-CH
R-CH
L
R
L
R
L
R
FRONT
SURROUND
FRONT
SURROUND
CENTER
CENTER
J303
J304
27
24
20
24
20
26
23
19
23
19
MULTI CH IN1
MULTI CH IN 2
ANTENNA
25
57
22
54
18
55
6
7
46
47
40
41
35
34
28
29
5
7
15
11
12
13
10
SBL
SEL
SEL
SW
SEL
C
SEL
SL
SEL
L
SEL
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
J305
(1/2)
(1/2)
TV/SAT
DVD/LD
DVD/LD
VIDEO 1 OUT
VIDEO 2 OUT
VIDEO 2
VIDEO 1
VIDEO 3
VIDEO 3
6.1L
6.1SL
6.1C
6.1C
7.1IL
7.1SL
7.1SL
7.1L
7.1SW
6.1SW
AUDIO
SELECT
IC2560
AUDIO
SELECT
IC402
AUDIO
IN
COM
DVDD
DIR
FUNCTION SELECT
IC401
AVCC
+7V
+7V
LATCH
DAT
CLK
LATCH
DAT
CLK
-5
-6
-3
-4
-1
-2
-5
-6
-3
-4
-1
-2
-1
-2
-3
-4
-5
-6
-1
-2
-3
-4
-5
-6
J2001
(2/2)
SEL
SW
MCU
I/F
3.3V
REG
Q652
3.3V
(STBY)
+7V
R-CH
SBL OUT
SW OUT
C OUT
SL OUT
L OUT
R-CH
(SBR)
(SBR)
R-CH
R-CH
52
51
L OUT
SL OUT
C OUT
SW
OUT
SR OUT
R OUT
• Signal path
: TUNER (FM/AM)
: VIDEO (AUDIO)
• R-ch is omitted due to
same as L-ch.
same as L-ch.
(Page 20)
(Page 20)
(Page 24)
(Page 20)
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