STR-DE1075
18
18
+5V
REGULATOR
Q824
+5V
+12V
REGULATOR
IC1301
+12V
(TUNER UNIT)
D POWER
SWITCH
Q1813, 1814
+3.3V
REGULATOR
IC1302
+3.3V
(TUNER UNIT)
+5V
REGULATOR
IC1808
+5V
D/A, A/D CONVERTER
(IC1201, 1202, 1503) B+
+5V
REGULATOR
IC1801
+5V
(VIDEO)
D POWER
SWITCH
Q1811, 1812
+5V
REGULATOR
IC1802
+5V
REGULATOR
IC1807
+3.3V
REGULATOR
IC1806
+5V
DIGTAL OPITICAL
RECEIVER/TRANSCEIVER
(IC1401 – 1404) B+
+2.6V
REGULATOR
IC1805
D+2.6V
D+3.3V
D1803
D1801
+3.3V
REGULATOR
IC1804
+5V
REGULATOR
IC1803
STBY +5V
RECT
D54 – 57
D58
D52
D53
T2
POWER
TRANSFORMER
SYSTEM
CONTROLLER
IC1703
(6/6)
AC POWER
DETECT
Q54
– 5V
REGULATOR
Q902
V POWER
SWITCH
Q904, 905
– 5V
(VIDEO)
F1
F2
FLUORESCENT INDICATOR TUBE
(FL1601)
+36V
FL DISPLAY DRIVE
(IC1601) B+
+36V
REGULATOR
Q903
RECT
D912, 913
– 15V
REGULATOR
IC802
– 15V
+15V
+15V
REGULATOR
IC801
+24V
(RELAY B+)
B+
B–
F905
F906
-2
-1
8
Ω
4
Ω
IMPEDANCE
SELECTOR
S901
T901
POWER
TRANSFORMER
MD2
MD0
SIN1
SOT1
RESET
GND
VDD
STBY +3.3V
52
MD2
54
MD0
110
SIN1
109
SOT1
42
D POWER
43
V POWER
55
RSTX
49
SUB T. PORT
60
STOP
18
POWER RY
(FOR CHECK)
CN1107
POWER AMP
(IC403, 503, 603)
MD2
MD0
SIN1
SOT1
RSTX
B+ SWITCH
Q1801, 1802
B+ SWITCH
Q1803, 1804
B+ SWITCH
Q1810
+5V
SYSTEM CONTROLLER
(IC1703) B+
RESET SIGNAL
GENERATOR
IC1702
B+ SWITCH
Q52, 53
RECT
D903 – 906
RECT
D908
F904
F903
RECT
D914
F1
RELAY
DRIVE
Q51
RY1
AC IN
F2
AC OUTLET
CNJ1
D+5V
6-6.
BLOCK DIAGRAM – POWER SUPPLY Section –
Ver 1.1
Summary of Contents for STR-DE1075
Page 12: ...12 STR DBE1075 MEMO ...