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STR-DA30ES/DA50ES/V55ES
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— 14 —
4-3. BLOCK DIAGRAM – POWER SECTION –
RELAY
DRIVE
Q640
LIMITER
IC502
14
5
15
6
2
3
VEE
VCC
IN
+VE
NF
-VE
13 VCC
POWER AMP
IC501
L
+B
-B
CUR DET
Q508
15 VEE
IN
13 VCC
POWER AMP
IC601
C
+B
-B
SL
6
RY503
RELAY
DRIVE
Q509
RY501
RELAY
DRIVE
Q559
RY502
RELAY
DRIVE
Q609
RY601
RELAY
DRIVE
Q709
RY701
RELAY
DRIVE
Q545
RY504
RELAY
DRIVE
Q901
RY901
J353
C
S(L)
S(R)
R CH
SURROUND
SPEAKER
CENTER
J701
PHONES
TM701
FRONT
SPEAKER
TM501
R CH
R CH
POWER
CONT
IC901
5
8
3
6
DELAY
+B SW
Q902
D912,914
PROTECTOR
Q547-549
F2
F1
+5.6V
F911
F912
D951-954
F901
D901-904
CNP901
AC IN
:CD
D
• Signal Path
• RCH is omitted
IN
W
8
14 VCC
12
+VE
11
-VE
F951
F952
1
+3.3V
REG
3
1
+5V
REG
3
IC955
IC902
J901
T902
MODE CONTROL
IC102
STOP
A
PROTECTOR
REMOTO
CONTROL
RECEIVER
IC101
26
SIRCS
RESET
Q101
77
RESET
POWER
S101
POWER KEY
74
F2
F1
47
STOP
I/R
CONT
IC106
IC106
I/O
BUFFER
Q105
RESET
Q102
11
14
12
5
33
2
LA
T
98
15
16
X102
7.28MHz
I/R
DET
IC107
LED
DRIVE
Q129,130
D124-126
URESET
S-LINK
J101
D1306
D1305
2
-15V
REG
REG
IC952
3
3
+15V
REG
IC951
1
-15V
+15V
+32V
REG
FLV
Q971
D955
F953
D5V
D3.3V
DOUT
3
RY HP
RY FRONT A
RY FRONT B
RY CENTER
RY PRE
RY WOOFER
58
URESET
C
ABUS A1
IN
63
I/O
BUFFER
Q104
ABUS OUT
67
FLOURESCENT
INDICATOR TUBE
FL101
29
DIN
26
LA
T
34
CLK
24
CLR
4
LS
29
CLK
5
CL
30
DIN
FL
DA
T
22
FL
CLK
21
FL
LA
T
24
FL
CLEAR
25
SPEAKER
SWITCH
FUNCTION
KEY
SP
B
73
SP
A
72
AD KEY6
44
ENCODER
FUNCTION UP
69
RV101
FUNCTION
KEY
AD KEY3
40
S120,121
FUNCTION
KEY
AD KEY4
41
S103-108
FUNCTION
KEY
AD KEY5
43
S109-115
S116-119
S102
49
MD0
14
LED SUR
15
LED EQ
16
LED INDEX
LED
DRIVE
D108-109
Q107-109
89
LED BASS BOOST
LED
DRIVE
D121
Q126
12
LED TUNER
13
LED PHONO
LED
DRIVE
D111-115
Q110-114
8
LED T
APE
9
LED MD/DA
T
10
LED CD
6
LED A
TV/DBS
7
LED V
TV/DBS
LED
DRIVE
D116
Q115,116
UP
55
DOWN
56
LED VOL
88
9
7
2
4
MOTOR
DRIVE
IC103
UP
DOWN
LED VOL
B
51
MD2
20
FLASH DO
19
FLASH DI
61
U
D
ATA
62
UCLOCK
60
UMREQ
59
USEQ
USREQ
UMREQ
UCLOCK
UDATA
FLASH DI
FLASH DO
MD2
MD0
82
XO
83
XI
X101
IC105
IC104
FL DRIVE
FL DRIVE
RY POWER
1
4
5
LIMITER
IC503
5
2
1
LIMITER
IC602
5
2
3
+VE
NF
-VE
CUR DET
Q608
1
4
5
LIMITER
IC603
5
2
1
LIMITER
IC702
14
5
15
6
2
3
VEE
VCC
IN
+VE
NF
-VE
13 VCC
POWER AMP
IC701
+B
-B
CUR DET
Q708
1
4
5
LIMITER
IC703
5
2
1
RELAY
DRIVE
Q659
RY602
PRE
OUT
OUT
J352
FRONT L
REAR L
WOOFER
R CH
RY REAR
87
LED DOLBY
DIGIT
AL
LED
DRIVE
D122
Q127
17
LED SOUND FIELD ON/OFF
LED
DRIVE
D107
Q106
18
LED MUTING
LED
DRIVE
D123
Q128
4
LED A
DVD/LD
5
LED V DVD/LD
LED
DRIVE
D117
Q118,119
2
LED V3
3
LED A3
LED
DRIVE
D118
Q120,121
92
LED V2
1
LED A2
LED
DRIVE
D119
Q122,123
90
LED V1
91
LED A1
LED
DRIVE
D120
Q124,125
FUNCTION DOWN
70
S126,127
21
+32V
40
+32V
27
+32V
FLV
D102
RY +B
2
-5V
REG
IC801
3
VIDEO -5V
-B
+B
TH
RY 4/8
TO
MAIN
(Page 10)
(Page 10)
TO
MAIN
(Page 10)
(Page 10)
TO
MAIN
(Page 10)
(Page 10)
TO
MAIN
(Page 10)
(Page 10)
F
TO
TUNER
(Page 12)
(Page 12)
45
A
V
VER
TION 1
53
RDS CLOCK
54
RDS DA
T
A
RDS DATA
RDS CLOCK
SIGNAL LEVEL
AEP,AUS,EE,G,UK MODEL
TH901
FAN
DRIVE
Q991,992
T901
120V
0V
100V
120V
0V
120V
240V
220V
120V
240V
220V
120V
240V
220V
MOTOR
FAN
F902
F903
US,CND,E,EA,PX MODEL
EXCEPT
E,EA,PX MODEL
VOLTAGE
SELECTOR
S901
E,EA,PX MODEL
RELAY
DRIVE
Q903
RY902
RY904
RY903
CND MODEL ONLY
S902
4/8
E,EA,PX
MODEL
MODEL
AEP,UK,G,
EE,AUS,SP,
MY,CH MODEL
EE,AUS,SP,
MY,CH MODEL
• Abbreviation
CND : Canadian
G :
CND : Canadian
G :
German
EE :
East
European
EA :
Saudi
Arabia
MY :
Malaysia
SP :
Singapore
AUS : Australian
CH :
CH :
Chinese
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