Block Diagrams; Main Section - Sony STR-DE435 Service Manual

STR-DE435/DE535/SE491/V424/V525

3-2. BLOCK DIAGRAMS

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