Schematic Diagram - Power/Power Sw/Pt Boards - Sony SCD-XB780 Service Manual

5-22. SCHEMATIC DIAGRAM – POWER/POWER SW/PT Boards –
CN905
5P
+3.3V
F2
F1
-33V
R924 R923 R925 Q921
100 100 47k 2SB1241-Q-TV2
GND
-33V
(Page 39)
D922
UDZS-TE-17 REGULATOR
-9.1B
R921
3.3k
C917 C916 C926
R926
0.1 10 10 UDZ-TE-17
47k
63V 50V 50V
+12V REGULATOR
CN904
10P
R913 C945
M+12V
10k 2200p
M-GND
A-GND R927
IC904
BA033T
D-GND
D+3.3V O
G
A+3.3V
A-GND
D-GND
(Page 34) D+5V
A+5V
C914
R914 C930
6800
10k 2200p
6.3V
IC906
BA05T
O
C924
R915 C927
6800
10k 2200p
10V
(Page 35)
CNP902
9P
A+UR
HP GND
A-UR
A+7V C919
470
AGND 63V
A-7V
R912 R911
680 680
DAC+5V
DACGND
POWER MUTE
(Page 35)
C922 C921 C907 C906 C923 D918
0.033 0.033 220 330 0.1 EC10DS2
100V 100V 63V 63V 63V TE12L
D920
EC10DS2
TE12L
R922
3.3k L908
D921
R954
33
-33B
IC905
BA12T
O I
G
D914 D913
EC10DS2 EC10DS2
TE12L TE12L
C905 D916 D915
10000 EC10DS2 EC10DS2
25V TE12L TE12L
C915
4700
16V
C910
R957
0.1
33
63V
I
D909
D910
EC10QS04
EC10QS04
-TE12L5
C904 -TE12L5
10000
+3.3V REGULATOR
16V
D912 D911
EC10QS04 EC10QS04
-TE12L5 -TE12L5
C993
0.001
I
G
R952
2.2k
R951
2.2k
+5V REGULATOR
R956
2.2k 1SS352-TPH3
D907 C929
UDZ-TE-17 100
-2.7B 25V
1SS352-TPH3
IC901
M5F7807L EC10QS04
IC903
M5F7805L O I
G
O I
G
EC10QS04
+7V REGULATOR
+5V REGULATOR
C901
C911 D923 3300
470 EC10QS04 25V
63V -TE12L5
R963 C912 C902
330 470 2200
1/2W 63V 25V
-7V REGULATOR EC10QS04
G
O I
EC10QS04
IC902
M5F7907L
D917
EC10DS2
TE12L
D919
EC10DS2
TE12L
CNP906
8P
CN994
F1
8P
C903
2200p
50V F2
C976
0.047
C978
0.1 L906
∗
63V
L907 C975
∗
0.1
63V
∗
L906, 907
2.5A (AEP, UK)
2A (Korean)
C977 C974
0.1 0.1
63V L904 63V
L905
EB901
(CHASSIS)
C991
0.001
D905
CNP901
CN993
3P
3P
C971
D906
0.01
100V
D901
-TE12L5
D902
-TE12L5
D903
-TE12L5
D904
-TE12L5
41 41
T901
POWER
TRANSFORMER
L901
CN991
LINE FILTER 2P
C995 C996
10000p 10000p
250V 250V
∗ NOT REPLACEABLE:
BUILT IN TRANSFORMER
CN992
2P
T902
POWER
TRANSFORMER
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
SCD-XB780
Ver 1.1
(AC IN)
CNP995
2P
C997
10000p
250V
S991
POWER