Block Diagram -Main Section - Sony STR-DE525 Service Manual
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Also See for STR-DE525:
- Operating instructions manual (44 pages) ,
- Owner's manual (42 pages) ,
- Dimensional information (1 page)
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STR-DE525/V515
3-2. BLOCK DIAGRAM –MAIN SECTION–
TUNER UNIT
FM
FM
L OUT
75Ω
AM
R OUT
R CH
R CH
AM
J201
EQ AMP
IC303
3
1
L
PHONO
R
R CH
L
CD
R
R CH
TAPE/MD
J202
L
INPUT
R
R CH
L
OUT PUT
R
R CH
5.1 INPUT
J203
L
FRONT
R
R CH
L
REAR
R
R CH
C
WOOFER
VIDEO SELECT
IC201
J201
MONITOR
OUT
1
M OUT
V3 OUT
7
IN
13
V1 IN
VCC
16
VIDEO 2
IC202
OUT
OUT
15
V1 OUT
-5V
VEE
8
3
REG
2
J202
IN
9
V2 IN
SW1
14
VIDEO 2
OUT
11
V2 OUT
SW2
10
SW5
2
J203
5.1 IN
3
TV
SW3
4
TV/DVD
5
LD
SW4
6
16
DOLBY PROLOGIC
AUDIO SELECT
MATRIX DECODER
IC302
IC401
LINE AMP
IC404
L OUT
3
1
3
4
9
S OUT
2
1
C OUT
10
11
CONTROL
9
6
8
46
47
45
CONTROL
14
15
13
+5V
24
21 23 22
19 18
20 9 17
-15V
2
V-A
3
V-B
4
V-E
27
V INH
— 9 —
SURROUND
PROCESSOR
IC400
L OUT
41
11
22
SL OUT
20k
5k/7k
VOL/
39
13
ADM
20
L.P.F
L.P.F
MUTE
DEC
38
3
2
4
SYSTEM
CONTROL
IC103(1/2)
SELECTOR
IC403
L.P.F
IC306
3
30
28
RY301
1
2
29
MUTE
Q300
27
25
26
IC304
3
1
24
22
23
MUTE
Q304
CONTROL
MUTE
14
15
13
Q305
IC305
5
7
MUTE
Q302
TONE CONTROL
IC502
BASS
3
2
4
5
TREBLE
6
MUTE SW
LEVEL SHIFT
Q411
Q411
Q414
BOOST
9
8
10
+5V
DET
Q501,502
D136
LED SW
LED SW
Q108
Q143
RELAY
DRIVE
Q308
8 7
VOL
MOTOR
IC106
3 51
6
49
41
52 51
— 10 —
BALANCE
VOLUME
RV402
RV401
LINE AMP
IC307
5
7
L
C
A
POWER
W
SECTION
SL
UP
M
DOWN
B
P RY
POWER
SECTION
• RCH is omitted
• Signal Path
: FM
: PHONO
: CD (ANALOG)
: VIDEO
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