18
18
STR-DA2100ES
STR-DA2100ES
6-7. BLOCK DIAGRAM – POWER SUPPLY Section –
RY
AMP B+
AMP B–
A +5V
V +5V
D +3.3V
D +2.6V
D +5V
RELAY +15V
RECT
D851 – 854
–30V
REGULATOR
Q250
FL –30V
RECT
D290, 291
A –7V
V –5V
RELAY DRIVE
Q809
TUNER +9V
A +7V
RECT
D865
TRIGGER
+12V
V +9V
RECT
D801
RY803
RY802
VFL
RECT
D865
VFL
T901
MAIN POWER
TRANSFORMER
T902
SUB POWER
TRANSFORMER
STB +5V
STB +3.3V
STOP
RY911
D925, 926
RELAY DRIVE
Q911
PW_RY
F902
AC OUTLET
J911
AC INLET
J910
RECT
D922 – 925
AC DETECT
Q921
SUB_T
D927
OVER CURRENT
PROTECT
Q912, 913
IMPEDANCE
SELECTER
S805
8
Ω
4
Ω
F901
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299