Schematic Diagram - Reg Board - Sony STR-DB2000 Service Manual

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3 7 6 3 1 5 1 5 0
6-52. SCHEMATIC DIAGRAM – REG Board –
CN903
3P
V-9V
VGND JW901
V+12V
(Page 54)
CN902 C906
5P 0.1
V+5V
TEMP
VOL-DC
VOL-SW
AC STOP
(Page 55)
T E CN901
L 1 3 9 4 2 2 9 6 5 1 3
5P
AC STOP
VOL-SW
V-9V
VGND JW902
V+12V
CN911 CN910
2P 2P
THP901
CN912
CN913
EP903
(CHASSIS)
R928
3.9k
(Page 58) VGND
EP902
C914
0.75
250V
(Page 54)
V+B
EP901
(Page 56)
(Page 58)
w w w
CN905 R908
2P 1
2W
VGND
V+B
.
CN1
C907
470
16V
R907
2.2k
R913
1k
C909
22
25V
C908 R912
0.1 15k
R910 R911
10k 3.9k
V
VOL-DC AMP
IC903
G
NJM3414AM
R909
470k
C905 R918
R919
0.01 470
1k
100V
Q01
2SC2603
R906
BUFFER R920 R921
100
1k 10k
Q906 Q908
2SC2713 2SC2713
BUFFER INVERTER
R917
R927 R916 R922
1k
30k 10k 200k
1W
C913
10000
R905
63V
36k
Q905
D906 2SA1163
R915
UDZSTE-176.2B
100 BUFFER
C910
C911
R914 *3
0.75
0 470
250V
100V
Q909 Q904
MN2488 2SK1381
DISCHARGE B+ SWITCH
S
x a o
y
i
http://www.xiaoyu163.com
8
CN2 CN5 CN3
(Page 61)
(Page 29) (Page 54)
(CHASSIS)
EP904
CN906 CN907
3P 4P
Q912
Q Q
RT1N141C
R931
3 7 6 3
8.2k POWER
CONTROL
SWITCH
Q911
RT1P141C
B- SWITCH
R929 R930
2.2k 2.2k
D901 D902
1SS355 1SS355
Q913
2SB1690
B+ SWITCH
D905
1SR154
D904
1SR154
D903
1SR154
C915 C917
C916 C918
100 100
0.1 0.1
16V 16V
G G
O I O I
IC904 IC905
M5F7805L TA7807S
+5V REGULATOR +7V REGULATOR
u 1 6 3
.
67 67
http://www.xiaoyu163.com
2 4
9 9 8
CN7 CN4 CN8
(STR-DA2000ES)
(Page 37)
CN908 CN909
8P 11P
Q914
RT1N141C
SWITCHING
IC913
IMZ4
B+/B-
1 5 1 5 0 8 9 2 4
SWITCH
+5V REGULATOR
IC912
M5F7805L
I O
G
C928
C927 C925
100
0.1 0.1
16V
C919 C921
C920 C922
100 6800
0.1 0.1
16V 6.3V
G G
O I O I
IC906 IC909
TA79005S BA033T
-5V REGULATOR +3.3V REGULATOR
m
c o
STR-DA2000ES/DB2000
2
9 9
(Page 51)
9 8 2 9 9
+3.3V REGULATOR
IC911
BA033T
I O
G
JWH904 EP905
C926
(CHASSIS)
100
16V
CN914
2P
CN915
CN916
C923
C924
6800
0.1
6.3V
G
O I
IC910
M5F7805L
+5V REGULATOR
D907
1SS352