STR-DE435, STR-DE535, STR-SE491, STR-V424, STR-V525 - Sony Audio Service Manual (repair manual). Page 8

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STR-DE435/DE535/SE491/V424/V525
3-2. BLOCK DIAGRAMS
— MAIN SECTION —
L
24
IF DA
TA
FM
AM
FM
75
Ω
AM
DO
ASTOP
TMUTE
STEREO
D
ATA
CLK
CE
L OUT
R OUT
TUNER UNIT
DO
AUTO STOP
TMUTE
STEREO
S DA
TA
S CLK
S LA
T
R CH
: FM
: CD (ANALOG) 
• Signal Path
• RCH is omitted
PHONO
L
CD
J201
L
INPUT
L
OUT PUT
J202
L
FRONT
L
REAR
J204
WOOFER
5.1 INPUT
TAPE/MD
M OUT
10
J281
MONITOR
J208
5.1 IN
IN
VIDEO 1
OUT
OUT
OUT
V2
3
OUT
5
V3
12
V1
1
14
VEE
8
VCC
13
SW1
2
SW2
4
SW2
11
M
3
2
VIDEO SELECT
IC281
-5V
REG
IC280
-15V
+5V
: VIDEO
28
30
29
26
22
25
4
11
8
CE
13
CLK
15
DI
14
AUDIO SELECT
IC204
MUTE
Q405
S LA
T
S CLK
S DA
TA
CONTROL
CE
45
CLK
47
D
ATA
46
D LA
T
S CLK
S DA
TA
5
7
LINE AMP
IC202
9
L OUT
S OUT
C OUT
41
39
38
MATRIX DECODER
IC301
DOLBY PROLOGIC
11
13
5
7
EQ AMP
IC201
20k
L.P.F
ADM
5k/7k
L.P.F
VOL/
MUTE
DEC
CE
4
CLK
2
DI
3
D LA
T
S CLK
S DA
TA
25
23
PROCESSOR
IC302
SURROUND
SL OUT
L OUT
MUTE SW
Q421,422
5
6
7
3
1
MUTE
Q408
5
7
MUTE
Q409
IC400
IC403
IC402
L.P.F
MUTE
Q407
13
15
14
11
12
BASS
TREBLE
TONE CONTROL
IC401
LEVEL SHIFT
STB
10
CLK
8
DI
9
T LA
T
S CLK
S DA
TA
BOOST
DET
Q401,402
RY401
RELAY
DRIVE
Q403
LINE AMP
RV401
VOLUME
RV402
BALANCE
L
C
W
SL
A
POWER
SECTION
(Page 11)
M
UP
DOWN
S1
2
SYSTEM
CONTROL
IC100(1/2)
S2
3
V MUTE
4
16
21
AUTO STOP
23
STEREO
22
TUNER MUTE
S DA
TA
S CLK
S LA
T
DO
AUTO STOP
STEREO
TMUTE
19
S DA
TA
18
S CLOCK
20
S LA
TCH
9
D LA
TCH
17
T LA
TCH
D LA
T
T LA
T
52
VOL +
51
VOL-
3
2
8
7
VOL
MOTOR
IC102
DOWN
54
S MUTE
49
BASS BOOST
41
DIRECT P
ASS
: PHONO
CENTER
L
TV
L
J203
VIDEO
INPUT
OUTPUT
L
INPUT
5
7
LINE AMP
IC203
UP
DE535 ONLY
SIGNAL
DET OUT
21
24
TUNER
PHONO
CD
TAPE
REC OUT
TV/LD
VIDEO OUT
VIDEO IN
COM
4
2
16
RDS
IC230
13
14
X230
4.332MHz
DE435(CE)ONLY
COM
COM
14 FCC
FCL
18
FCLS
20
DC CUT
9
Q371
5
7
IC403
6
VIR CNTL
38
RDS CLK
15
RDS DA
T
28
SIGNAL
TV/LD
— 9 —
— 10 —

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