Schematic Diagram - Power Supply Section - Sony HCD-NEZ30 Service Manual

HCD-NEZ30
Ver. 1.5
Q Q
3 7 6 3 1 5 1 5 0
7-12. SCHEMATIC DIAGRAM – POWER SUPPLY Section –
C922
220
10V
+4V REGULATOR
CN903
4P
+B
GND
-B
GND(CT)
(Page
23)
CN900
9P
D+3.3V(MAIN)
DGND
D+4V(SUB)
DGND
ACDET
POWERON
(Page 1SS355WTE-17
I-P MONITOR
27)
MGND
R921
M+10V
47k
CN902
7P
PROTECT
DGND
D+3.3V
T E
L 1 3 9 4 2 2 9 6 5 1 3
+UNREG
MGND
M+10V
(Page
I-P.MONITOR
1SS355WTE-17
23)
(TYPE B: US, CND)
Q338
RT1N141C-TP-1
Q333,338
AC DETECT
w w w
HCD-NEZ30
C930
0.1
G
O I
∗
R911
R911
∗ 47k (TYPE A) (US, CND, E, E51, MX, AR)
IC903
4.7k (TYPE B) (US, CND, UK, EE)
TA7804LS
∗
R912
R912
47k (TYPE A) (US, CND, E, E51, MX, AR)
∗
100k (TYPE B) (US, CND, UK, EE)
D916
1N5401M
R913
47k
D918
1N5401M
R919
47k
+3.3V REGULATOR
D919 D917
IC901
1N5401M 1N5401M
TA78033LS
C901
0.1
O I
G
C918
C923
470
0.1
6.3V D920
C902
MC2838
0.1
R901 22k
D929
JW921
R902 22k
D911
JW920 1N5401M
R922
220k D926
1N4002B
D927 D913
1N4002B 1N5401M
D928
1N4002B
D914
1N5401M
D921 R920
0
C919
2200
25V
JW914
R915 R914
22k 4.7k
D322
MC2836
Q315
KTC3198GR-AT
MAIN POWER
RELAY DRIVE
C336 C350
R916
22 10
Q333 47k
50V 50V
RT1N141C-TP-1
x a o
. i
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D922
1SS355WTE-17
ACDET
+UNREG(SUB)
GND
GND(CT) C921
1000
RELAY 16V
D910
1N4002B
D908
1N4002B
T902
MAIN POWER
TRANSFORMER
(US,CND,E,E51,MX)
D912
1N5401M
Q Q
3 7
JW915 JW916
C920 C925
100 0.01
16V
G
O I
IC900
KIA7810API
+10V REGULATOR
u 1 6 3
y
30 30
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2 4
8 9 9
C914
10
50V
R906
10k
D909
1N4002B R904
4.7k
D907 T901
1N4002B
R908 SUB POWER
D923 JW911
1k
MC2838-T112-1 TRANSFORMER
R905
4.7k
R909
1k
JW909
(EXCEPT E,E51)
(UK,EE,AR)
JW902
JW901 JW904
(EXCEPT E,E51)
(EXCEPT E,E51)
C931
4700p
JW906 250V
(E,E51)
JW905
JW908
(E,E51)
LF901 (EXCEPT E,E51)
6 3 1 5 1 5 0 8 9
JW907
Note: Refer to "NOTE WHEN PARTS RELATED TO POWER
TRANSFORMER ARE REPLACED" (page 4) in the servic-
ing notes when the entire DC board, D921, R911, R912,
R920, T901 or T902 is replaced. (US and Canadian mod-
els only)
m
c o
.
2
8 9 9
(E,E51)
S901
VOLTAGE
SELECTOR
230-240V
220V
120V
RY901
D906
1SS355WTE-17
2 4 9 8 2 9 9
CN901
2P
(AC IN)
R903
2.2M
1/2W
(US,CND)
(CHASSIS)