Sony HCD-S300 - POWER SECTION

HCD-S300
27 27
– POWER SECTION –
AC LINE
F901
3.15A/125V
L901
T901
POWER TRANSFORMER
D901
MAIN RECTIFIER
IC901
OVER CURRENT
CN 901
LIVE
NATURAL
09
LINE
FILTER
VCC
FB/OCP
Q903,D921-922
REGULATOR
PC901
STARTOR
D907
RECTIFIER
4
2
1
D908
RECTIFIER
D906
RECTIFIER
13
2
31
2
IC905
REG+5V
D909
D914
41
2
IC906
REG+5V
41
2
IC907
REG+5V
51
2
IC908
REG+3.3V
Q910
SWITCH
Q904
SWITCH
Q902
POWER SWITCH
Q911
SWITCH
DVD. POWER
+14.5V
EVER+5.6V
A+10V
MUTE+5V
M+12V(DVD ON)
+12V(DVD ON)
A-10V
+3.3V(DVD ON:H)
POWER
D+5V
+5V(DVD ON)
D910
32
1
IC903
REG+5V
Q906
SWITCH
Q905
POWER SWITCH
32
1
IC904
REG+10V
Q912
SWITCH
Q913-914
FLIP-FLOP
Q915
SWITCH
Q909
SWITCH
Q907
POWER SWITCH
D915
D913
D911
D913
D916
AUDIO MAIN
SECTION
(Page 24)
I
IC902
REG+13V