Block Diagram - Power Supply Section - Sony STR-DE1075 Service Manual

STR-DE1075
Ver 1.1 2001.7
5-6. BLOCK DIAGRAM – POWER SUPPLY Section –
(FOR CHECK)
CN1107
52 54 110 109
SYSTEM
CONTROLLER
IC1703
(6/6)
D POWER 42
V POWER 43
RSTX 55
SUB T. PORT 49
STOP 60
POWER RY 18
+5V
+12V
(TUNER UNIT)
+3.3V
+3.3V
REGULATOR
(TUNER UNIT)
IC1302
+5V D POWER
+5V
REGULATOR
D/A, A/D CONVERTER
IC1808 Q1813, 1814
(IC1201, 1202, 1503) B+
+5V
STBY +3.3V
+5V
REGULATOR
(VIDEO)
IC1801
+5V
+5V
DIGTAL OPITICAL
RECEIVER/TRANSCEIVER REGULATOR
(IC1401 – 1404) B+ IC1802
D1803
+2.6V
B+ SWITCH
D+2.6V REGULATOR
Q1810
IC1805
+3.3V
D+3.3V REGULATOR
IC1806
D+5V
+5V +3.3V
SYSTEM CONTROLLER REGULATOR
(IC1703) B+ IC1804
RESET SIGNAL
GENERATOR
IC1702
+5V
REGULATOR B+ RECT
POWER AMP
Q824 D914
(IC403, 503, 603) B–
+12V
REGULATOR
(RELAY B+)
IC1301
SWITCH
+15V
– 15V
B+ SWITCH
Q1801, 1802
+36V
FL DISPLAY DRIVE
(IC1601) B+
B+ SWITCH
Q1803, 1804
FLUORESCENT INDICATOR TUBE
D POWER
+5V
SWITCH
REGULATOR
Q1811, 1812
IC1807
– 5V
(VIDEO)
D1801
+5V
REGULATOR
IC1803
STBY +5V
16 16
S901
IMPEDANCE
SELECTOR
8Ω
T901
POWER
TRANSFORMER
4Ω
F906 -1
F905 -2
+24V
+15V
REGULATOR
RECT
IC801
D903 – 906
– 15V
REGULATOR
IC802
+36V
RECT
REGULATOR
D912, 913
Q903
F1
(FL1601)
F2
F903
RECT
D908
F904
– 5V
REGULATOR
Q902
V POWER
SWITCH
Q904, 905
T2
POWER
TRANSFORMER
D58
B+ SWITCH
Q52, 53
D52
RECT
D54 – 57
D53
AC POWER
DETECT
Q54
CNJ1
AC OUTLET
F2
F1
AC IN
RY1
RELAY
DRIVE
Q51