Sony STR-DE897, Руководство по обслуживанию

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STR-DE897
16 16
4-3. BLOCK DIAGRAM — TUNER/AUDIO SECTION —
J302
R-CH R-CH
L
-1 -2 -3 -4
R L
OUT IN
R
MD/TAPE
J301
L
-1 -2 -3 -4
R L
IN IN
R
PHONO
SA-CD/CD
MUTE
Q541,591
MUTE
Q641,691
MUTE
Q441,491
MUTE
Q791
MUTE
Q391
PRE
OUT SUB
WOOFER
Q410
SUB WOOFER
AMP
IC604
J2551
RY351
SYSTEM MUTE
SBL-CH
C-CH
SR-CH
FR-CH
SL-CH
FL-CH
R-CH
L-CH
63
62
74
73
21 24 22
2
18
20
19
4
6
7
46
47
40
41
35
34
SBR-CH
28
29
5 7
15 11 12 13 10
61
57
54
55
SW
SEL
C
SEL
SL
SEL
L
SEL
R-CH
R-CH
76
R-CH
R-CH
R-CH
DVDD
DIR
FUNCTION SELECT
IC401
AVCC AVEE
+7V -7V
SEL
SW
MCU
I/F
3.3V
REG
Q652
+7V
SBL OUT
R-CH
SW OUT
C OUT
SL OUT
L OUT
R-CH
R-CH
R-CH
52
51
• Signal path
: TUNER (FM/AM)
: VIDEO (AUDIO)
: CD (ANALOG)
• R-ch is omitted due to
same as L-ch.
SBL
SEL
PRE AMP
IC300
76
75
78
74
73
70
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
OUT
AM
TN1
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
R-CH
R-CH
SLATCH
SW RY
IC.DATA
IC.CLK
VOL LATCH
006_LAT
011_LAT
STEREO
TUNED
MUTE
DO
L-CH
R-CH
STEREO
TUNED
MUTING
CE
DO
DATA
CLOCK
L
-3
-4
R
J305 (2/2)
RELAY
DRIVER
Q300
TU+10V
10
9
11
7
4
44
2ND ROOM RY 43
47
17
16
22
13
1
5
9
11
3
6
8
23
24
19
25
20
26
21
VIDEO 1
VIDEO 3
INPUT
L R
R-CH
AUDIO
FM 75
Ω
COAXIAL
22
16 15 14
16 15 14
18
SUB
WOOFER
SUB
WOOFER
2ND
ZONE
L R
R-CH R-CH R-CH R-CH
L R L R L R
L R
FRONT SURROUND FRONT SURROUND
CENTER
SURR BACK
CENTER
J303
J304
27
24
20
26
23
19
MULTI CH IN1 MULTI CH IN 2
ANTENNA
25
22
18
J305
(1/2)
TV/SAT
DVD/LD
VIDEO 1 OUT
VIDEO 2 OUT
VIDEO 2
VIDEO 1
VIDEO 3
6.1L
6.1SL
6.1C
7.1IL
7.1SL
7.1L
7.1SW
6.1SW
RY300
AUDIO
SELECT
IC2560
AUDIO
SELECT
IC402
AUDIO
IN
COM
LATCH DAT CLK
LATCH
DAT CLK
-5 -6 -3 -4 -1 -2 -5 -6 -3 -3 -4 -1 -2 -2
-1 -2 -3 -4 -5 -6 -1
-1
-2
-2
-3 -4 -5 -6
J2052
(2/2)
R-CH
1 3
EQ AMP
IC301
L OUT
SL OUT
C OUT
SW
OUT
SR OUT
R OUT
RELAY
DRIVER
Q351
56
53
58
1 3
78
80
DIGITAL
SECTION
C
DIGITAL
SECTION
B
DIGITAL
SECTION
A
POWER
SECTION
D
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Q Q
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