Power Section - Sony STR-DA333ES Service Manual

STR-DA333ES/DA555ES
– POWER SECTION –
POWER AMP
IC501
+B 13
VCC
LIMITER
14 VCC +VE 2 1
IC502
-B
15 VEE
5
L 6 IN NF 5
1
LIMITER
-VE 5
3
IC503
POWER AMP
IC601
+B 13 VCC
14 VCC
LIMITER
-B 15 VEE +VE 2 1
IC602
A
5
C 6 IN
NF 5
TO
MAIN
1
(Page 12)
LIMITER
3
-VE 5
IC603
+VE 12
W 8 IN -VE 11
POWER AMP
IC701
+B 13 VCC
LIMITER
14 VCC +VE 2 1
IC702
-B 15 VEE
5
SL
6 IN NF 5
1
LIMITER
-VE 3 5
IC703
PROTECTOR
RY HP
RY FRONT A
RY FRONT B
C
RY CENTER
RY PRE
TO
RY WOOFER
MAIN
(Page 12) RY REAR
TH
RY 4/8
RY POWER
STOP
URESET
USREQ
UMREQ
D
UCLOCK
UDATA
TO
MAIN
FLASH DI
(Page 12)
FLASH DO
MD2
MD0
49 51 20 19 61 62 60
IC103
UP 9 2 55 UP
MOTOR
DRIVE
B
DOWN 7 4 56 DOWN
TO
LED VOL 88 LED VOL
MAIN
(Page 12)
45 82
X101
F SIGNAL LEVEL
TO
TUNER
(Page 14)
09
4
CUR DET
2
Q508
D1306
4
D1305
CUR DET
2
Q608
4
CUR DET
PROTECTOR
2
Q708 Q547-549
D120 D119 D118 D117
LED LED LED LED
DRIVE DRIVE DRIVE DRIVE
Q124,125 Q122,123 Q120,121 Q118,119
59 91 90 1 92 3 2 5 4
MODE CONTROL
IC102
83 69 70 40 41 43 44
FUNCTION FUNCTION FUNCTION FUNCTION
ENCODER
KEY KEY KEY KEY
RV101 S120,121 S103-108 S109-115 S116-119
S126,127
– 15 –
R CH
RY503
R CH
RELAY
DRIVE
Q640
R CH
RY501
RELAY
DRIVE
Q509
C
RY502
RELAY
S(L)
DRIVE
Q559
S(R)
R CH
FRONT L
RY601
RELAY
DRIVE
REAR L
Q609
WOOFER
RY504
RELAY
DRIVE TH901
FAN
Q545
DRIVE
Q991,992
RY602
RELAY
DRIVE
Q659
RY701
RELAY
DRIVE
Q709
D116 D111-115 D108-109 D107 D123 D122
LED
LED LED LED LED LED
DRIVE
DRIVE DRIVE DRIVE DRIVE DRIVE
Q115,116 Q110-114 Q107-109 Q106 Q128 Q127
7 6 13 12 10 9 8 14 15 16 17 18 87
72 73 74 21 24 25 22
SPEAKER
34 26 24 29 4 5 30
SWITCH
S102 S101
POWER
DIN 29 3 DOUT
+32V 27
IC104
+32V 21
IC105
FL DRIVE
+32V 40 FL DRIVE
F2
F1
FL101
FLOURESCENT
INDICATOR TUBE
J701
• RCH is omitted
PHONES
• Signal Path
FLV
:CD
TM501
+B
FRONT
SPEAKER
-B
RELAY
S902
DRIVE
J353
4/8
Q903
CENTER
TM701
SURROUND
SPEAKER
J352
RY +B
PRE
OUT
+15V
-15V
IC801
-5V
VIDEO -5V 3 2
REG
D5V
MOTOR
FAN
D3.3V
RY901
RELAY
DRIVE
Q901
DELAY
+5.6V +B SW
Q902
D901-904
3
POWER
8 CONT 5
IC901
D121
6
LED
DRIVE
Q126
IC101
89
D102
REMOTO
SIRCS 26 CONTROL
RECEIVER
URESET 58
RESET
RESET 77
Q101
STOP 47
67 63 98
RESET
5 14
I/R
Q102
CONT
Q105
IC106
I/O Q129,130
IC107
11
BUFFER
33 I/R
Q104
DET
2
12
I/O
BUFFER
15 16
X102
7.28MHz
FLV
– 16 –
Q971
+32V
REG
T901
F911
D912,914
F912
F2
RY902
F1
CANADIAN MODEL ONLY
RY904
RY903
F951
D951-954
IC951
+15V
1 3
REG
F952
IC952
-15V
3 2
REG
F953
IC955 D955
+5V
3 1
REG
IC902
+3.3V
3 1
REG
F901
T902
JW903
J901
CNP901
AC IN
D124-126
LED
DRIVE
J101
S-LINK