Schematic Diagram - Power Supply Section - Sony HCD-NEZ3 Service Manual

HCD-NEZ3/NEZ5
Q Q
3 7 6 3 1 5 1 5 0
4-12. SCHEMATIC DIAGRAM – POWER SUPPLY Section –
C922
220
10V
+4V REGULATOR
TA7804LS
CN903
4P
+B
GND
-B
GND(CT)
(Page 16)
CN900
9P
ACDET
D+4V(SUB)
DGND
DGND
D+3.3V(MAIN)
(Page 19) POWERON
I-P MONITOR
MGND
M+10V
CN902
6P
PROTECT
DGND
D+3.3V
T E
L 1 3 9 4 2 2 9 6 5 1 3
+UNREG
MGND
M+10V
(Page 16)
Q338
Q333,338 RT1N141C-TP-1
AC DETECT
w w w
HCD-NEZ3/NEZ5
C930
0.1
G
O I
R911
47k
IC903
R912
47k
D916
1N5401M
R913
47k
D918
1N5401M
R919
47k
+3.3V REGULATOR
D919 D917
IC901
1N5401M 1N5401M
TA78033LS
C901
0.1
O I
G
C918
470 C923
6.3V 0.1
D920
C902
MC2838
0.1
R901 47k
JW921
R902 47k
D911
JW920 1N4002B
D926
1N4002B D936 R907
1SS355TE-17 47k
D927 D913
1N4002B 1N4002B
D928
1N4002B
D914
1N4002B
C919
2200
25V
JW914
C920
R915 R914
22k 4.7k
D322
MC2836
Q315
2SC2001TP-LK
MAIN POWER
RELAY DRIVE
C336 C350
R916
22 Q333 10
RT1N141C-TP-1 47k
50V 50V
x a o
. i
http://www.xiaoyu163.com
D922
1SS355TE-17
ACDET
+UNREG(SUB)
GND
GND(CT) C921
1000
RELAY 16V
D910
1N4002B
D908
1N4002B
T902
MAIN POWER
TRANSFORMER
D912
1N4002B
Q Q
3 7
JW915 JW916
C925
100 0.01
16V
G
O I
IC900
TA7810S
+10V REGULATOR
u 1 6 3
y
22 22
http://www.xiaoyu163.com
2 4
8 9 9
C914
10
50V
R906
10k
D909
1N4002B R904
4.7k
D907 T901
1N4002B
R908 SUB POWER
D923
1k
MC2838 TRANSFORMER
R905
4.7k
R909
1k
JW909
(NEZ3:AEP,UK/NEZ5)
JW902
JW904
JW901
(NEZ3:US,CND) C931
4700p
JW906 250V
LF901
JW907
6 3 1 5 1 5 0 8 9
(NEZ3:US,CND)
m
c o
.
2
8 9 9
RY901
D906
1SS355TE-17
2 4 9 8 2 9 9
CN901
2P
(AC IN)
R903
2.2M
1/2W
(CHASSIS)