Block Diagram - Power Key Section - Sony STR-DH710 Service Manual

STR-DH710
STR-DH710
4-6. BLOCK DIAGRAM — POWER KEY SECTION —
IC2001 (2/2)
+9V
TU+9V 3
REG
IC350
+7V
+7V 3
REG
-7V
3
-7V
REG
IC352
IC990
+6V
+6V 3
REG
IC980
+4V
+4V 3 1
REG
IC2000
+3.3V
+3.3V
3 1
(STBY)
REG
+5V
(STBY)
18 18
IC201 (2/2)
+15V
+15V
1
REG
+15V
1
2
-15V
IC202 (2/2)
-15V
-15V
REG
1
IC2032 (2/2)
RELAY
SIGNAL
7 DRIVER
SELECTOR
Q901
AC IN
DETECT
Q990
T901
POWER
TRANSFORMER
(MAIN)
F910
RECT
D910-913
F911
F940
RECT
D941
T904
RY901
POWER
TRANSFORMER
(SUB)
RECT
D993-994
AC IN
D990
~