Block Diagram - Power Supply Section - Sony STR-DA2ES Service Manual

STR-DA2ES/DB1080
6-6. BLOCK DIAGRAM – POWER SUPPLY Section –
D POWER 42
V POWER 43
SYSTEM
CONTROLLER
IC1703
(7/7)
RSTX 55
SUB T. PORT 49
STOP 60
POWER RY 18
+5V
+7V
REGULATOR
+7V
IC1809
(DA2ES)
TUNER +10V
+3.3V
TUNER +3.3V REGULATOR
IC1302
(DB1080: AEP, UK)
A+5V
+5V
VIDEO +5V REGULATOR
IC1801
+3.3V
TRX +3.3V REGULATOR
IC1802
D1803
+2.6V
B+ SWITCH
D+2.6V REGULATOR
Q1810
IC1805
+3.3V +5V
D+3.3V REGULATOR REGULATOR
IC1806 IC1807
D+5V
+3.3V
STBY +3.3V REGULATOR
IC1804
STBY +5V
RESET SIGNAL
GENERATOR
IC1702
+5V
REGULATOR
Q824 B+
B–
B+ SWITCH
Q1805, 1806
+10V
RELAY +24
REGULATOR
IC1301
+5V +15V
REGULATOR REGULATOR
IC1808 IC801
+15V
– 15V
– 15V
REGULATOR
IC802
B+ SWITCH
Q1801, 1802
+32V
B+ SWITCH
Q1803, 1804
FLUORESCENT INDICATOR TUBE
(FL1001)
B+ SWITCH
Q1811, 1812
– 5V
VIDEO – 5V REGULATOR
Q902
REGULATOR
CONTROL
SWITCH
Q904, 905
D909
+5V
B+ SWITCH
REGULATOR
Q52, 53
IC1803
18 18
S901
IMPEDANCE
SELECTOR
8Ω
T901
MAIN POWER
TRANSFORMER
4Ω
-1
RECT
D914
-2
RECT
D903 – 906
+32V
RECT
REGULATOR
D912, 913
Q903
F1
F2
(DB1080: E)
F903
VOLTAGE
RECT
SELECTOR
D908
VS49 (1/2)
F904
(EXCEPT DB1080: E)
T2
SUB POWER
TRANSFORMER
D58
VOLTAGE
SELECTOR
VS49 (2/2)
D52
RECT
(DB1080: E)
D54 – 57
D53
AC POWER
DETECT
Q54
(EXCEPT DB1080: Korean)
CNJ1
AC OUTLET
(DA2ES/DB1080: E)
(EXCEPT DB1080: E, Korean)
(DB1080: E)
F2
F1
F49
(AC IN)
RY1
RELAY
DRIVE
Q51