Schematic Diagram - Power/Trans Boards - Sony SCD-XB770 Service Manual

4-17. SCHEMATIC DIAGRAM – POWER/TRANS Boards –
CN905
3P
F2
F1
R924 R923
-33V 100 100
D922
(Page 27)
UDZS-TE-17-9.1B 2SB1241TV2Q
-33V REGULATOR
C917 C916 C926
R926
0.1 10
330k
63V 50V
CN904
10P
C915
M+12V
4700
16V
M-GND
A-GND R927
D-GND
D+3.3V
A+3.3V
A-GND
D-GND
C914
6800
(Page 21) D+5V
6.3V
A+5V
C924
C927
6800
22000p
10V
CNP902
9P
A+UR
HP GND
A-UR
A+7V C919
(Page 23)
470
AGND 63V
A-7V
C920
0.022
DAC+5V
100V
DACGND
POWER MUTE
(Page 23)
R925
39k
Q921 C922 C921 C907 C906
0.033 0.033 220 330 D918
R922 100V 100V 63V 63V EC10DS2TE12L
3.3k
C923
0.1
63V
D920
EC10DS2TE12L
R921
3.3k
L908
R954
N.F
33
D921
10 UDZ-TE
50V -17-33B
D914 D913 C978
EC10QS04 EC10QS04 0.1
+12V REGULATOR
-TE12L5 -TE12L5 63V
O I
G
D916
C905 D915
EC10QS04
IC905 10000 EC10QS04
-TE12L5
BA12T 25V -TE12L5
C910
R957
0.1
33
63V
+3.3V REGULATOR
O I
G
D910 D909
EC10QS04 EC10QS04
IC904 C904 -TE12L5 -TE12L5
BA033T 10000
16V
D912 D911
EC10QS04 EC10QS04
-TE12L5 -TE12L5
+5V REGULATOR
O I
G
IC906
BA05T
O I
G
IC901
M5F7807L
+5V REGULATOR
+7V REGULATOR
O I
G
IC903
C911 D923 C901
M5F7805L
470 EC10QS04- 3300
63V TE12L5 25V
C913
C918 C912 IC902 C902
0.022
0.022 470 M5F7907L 2200
100V
100V 63V 25V
G
O I
-7V REGULATOR
D917
EC10DS2TE12L
D919
EC10DS2TE12L
CNP906 CN994
8P 8P
F1 F1
F2
F2
C975
0.1
L906 63V
L907
C977 C974
0.1 L904 0.1
63V N.F 63V
L905
N.F
EB901
C993
0.001
(CHASSIS)
C991
0.001
D905
C971
R956 EC10QS04- CNP901 CN993
0.01
820 TE12L5 3P 3P
100V
D906
EC10QS04
-TE12L5
C929
100
10V
D901
EC10QS04-
TE12L5
D902
EC10QS04-
TE12L5
D903
EC10QS04-
TE12L5
D904
EC10QS04-
TE12L5
29 29
T901
POWER
L901
TRANSFORMER
LINE CN991
FILTER
C995 C996
10000p 10000p
250V 250V
CN992
2P
* NOT REPLACEABLE:
BUILT IN TRANSFORMER
T902
POWER
TRANSFORMER
SCD-XB770
2P
AC IN
C997
CNP995
10000p
2P
250V
S991
POWER