Block Diagram - Main (3/3) Section - Sony STR-DH100 Service Manual

STR-DH100
5-4. BLOCK DIAGRAM — MAIN (3/3) SECTION —
R2_+17VDC
H
MAIN SECTION
(1/3)
(Page 14)
R2_-17VDC
U
+9V
MAIN SECTION
(2/3)
(Page 15)
O
MAIN SECTION POWER_RY
(2/3)
(Page 15)
T
MAIN SECTION
STANDBY+9V
(2/3)
(Page 15)
P
MAIN SECTION
AC_OFF_DETECT
(2/3)
(Page 15)
STR-DH100
D920
D923
D921
D922
D910
D911
D912
D913
Q901
RELAY
DRIVER
RY901
T902
4
6
D902
D904
1
D903
D905
8
D906
Q906
AC_OFF
DETECT
D907
16
CNP920
F920
1
R2AC
POWER
TRANSFORMER
F921
3
R2AC
CNP910
F910
1
R4(AC)
POWER
TRANSFORMER
4
R4(AC)
CNP902
F901
1
LIVE
POWER
TRANSFORMER
4
NEUTRAL
CNP901
1
LIVE
AC IN
3
NEUTRAL
16