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STR-DA2100ES
STR-DA2100ES
6-7. BLOCK DIAGRAM – POWER SUPPLY Section –
D +2.6V
D +3.3V
D +5V
TRIGGER
V +9V
+5V
+9V
V +5V
REGULATOR
REGULATOR
IC3103
IC3102
+5V
A +5V
REGULATOR
IC1001
TUNER +9V
V –5V
A –7V
FL –30V
AMP B+
AMP B–
S805
IMPEDANCE
SELECTER
8 Ω
4 Ω
RY
PW_RY
(Page 13)
G
SUB_T
STOP
+5V
REGULATOR
STB +5V
IC1011
+3.3V
STB +3.3V
REGULATOR
IC1021
18
18
+3.3/+2.6V
REGULATOR
T901
IC1901
MAIN POWER
TRANSFORMER
+5V
RECT
REGULATOR
D851 – 854
IC1031
RELAY +15V
+12V
+12V
REGULATOR
IC3101
A +7V
+7V
REGULATOR
IC260
+9V
RECT
REGULATOR
D865
IC1902
–5V
REGULATOR
IC3104
–7V
REGULATOR
IC265
RECT
VFL
VFL
D865
–30V
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
RECT
D922 – 925
T902
SUB POWER
TRANSFORMER
F902
J911
AC OUTLET
J910
AC INLET
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