Block Diagram – Power Supply Section - Sony STR-DA2100ES Service Manual

STR-DA2100ES
Q Q
3 7 6 3 1 5 1 5 0
T E
L 1 3 9 4 2 2 9 6 5 1 3
w w w
STR-DA2100ES
x a o
y
. i
http://www.xiaoyu163.com
8
6-7. BLOCK DIAGRAM – POWER SUPPLY Section –
V +9V
+5V +9V
V +5V
REGULATOR REGULATOR
IC3103 IC3102
+5V
A +5V REGULATOR
IC1001
TUNER +9V
Q Q
3 7 6 3
FL –30V
AMP B+
AMP B–
S805
IMPEDANCE
SELECTER
8 Ω
4 Ω
RY
PW_RY
(Page 13) G
SUB_T
STOP
REGULATOR
STB +5V
IC1011
+3.3V
STB +3.3V REGULATOR
IC1021
u 1 6 3
.
18 18
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2 4
9 9 8
+3.3/+2.6V
D +2.6V
REGULATOR
T901
D +3.3V IC1901
MAIN POWER
TRANSFORMER
+5V
RECT
D +5V REGULATOR
D851 – 854
IC1031
TRIGGER
RELAY +15V
+12V
+12V
REGULATOR
IC3101
A +7V
+7V
REGULATOR
IC260
+9V
RECT
REGULATOR
D865
IC1902
–5V
V –5V REGULATOR
IC3104
–7V
A –7V REGULATOR
IC265
RECT
VFL
VFL D865
–30V
1 5 1 5 0 8 9 2 4
RECT
REGULATOR
D290, 291
Q250
RY803
F901
RECT
D801
RY802
RELAY DRIVE
Q809
RY911
RELAY DRIVE
Q911
D927
OVER CURRENT
PROTECT
Q912, 913
D925, 926
AC DETECT
Q921
+5V
RECT
D922 – 925
T902
SUB POWER
m TRANSFORMER
c o
2
9 9
9 8 2 9 9
F902
J911
AC OUTLET
J910
AC INLET