Sony STR-DA2800ES - Block Diagram - POWER SUPPLY Section

STR-DA2800ES
STR-DA2800ES
5555
5-13. BLOCK DIAGRAM - POWER SUPPLY Section -
F901
RY01
RELAY DRIVE
Q52
T903
SUB POWER
TRANSFO RMER
PT_STOP
POWER CONTROL
IC921
1D
3 Vcc/OCP
AC OFF
DETECT
Q1402
RECT
D901
REGULATOR
Q53 – 55
D61
DD +12V
DZ903
D902
D51
+5V
REGULATOR
IC51
+3.3V
REGULATOR
IC2701
STBY +3.3V
STBY +5V
RECT
D947
RECT
D1402
T901
MAIN POWER
TRANSFORMER
F1402
F001
TH902
POW-RY
DD +12V
DC/DC
CONVERTER
IC1410
REGULATOR
Q922
6BD
5FB/OLP
ISOLATOR
PC902
SHUNT
REGULATOR
IC923
DSP/+12V EN
MICON_STOP
D-VIDEO +10V
DC/DC
CONVERTER
IC1404
DD +5V
DC/DC
CONVERTER
IC1402
VOLTAGE
DETECT
IC1407
AC
DETECT
Q6204
UNSW +10V
DD +5.5V
DC/DC
CONVERTER
IC1406
DC/DC
CONVERTER
IC1405
CTRL EN
MTK EN
D-VIDEO EN
DD +1.8V
DC/DC
CONVERTER
IC1403
D-VIDEO +4V
DC/DC
CONVERTER
IC1408
D-VIDEO +2.5V
DC/DC
CONVERTER
IC3904
D-VIDEO +2V
DC/DC
CONVERTER
IC3903
>037B
>038B
NET D/A +3.3V
+3.3V
REGULATOR
IC908
NET A/D +5V
D2721
NET_POW_RY
>030B
FREC CT
POWER CONTROL
Q1403
D1410
D1409
RY307
RELAY DRIVE
Q312
RECT
D313
RY B+
–7V
-1
-2
–7V
REGULATOR
IC302
+7V
+7V
REGULATOR
IC303
AMP B+
AMP B–
RECT
D314 – 317
F303
F301
F300
F302
BRIDGEABLE_RY
+5V
REGULATOR
IC907
VIDEO +3.3V
+3.3V
REGULATOR
IC6015
D-AUDIO A/D +5V
+5V
REGULATOR
IC1421
VIDEO –5V
–5V
REGULATOR
IC6017
- AC IN
AC1
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