Read Sony STR-DA2000ES / STR-DB2000 (serv.man2) Service Manual online
STR-DA2000ES/DB2000
11
11
1-11. SCHEMATIC DIAGRAM – REG Board –
Q914
THP901
CN911
CN910
C906
R907
CN902
CN903
CN901
JW902
C908
R912
R913
R911
R910
R908
CN905
C914
R919
R918
R906
Q906
R920
R921
R905
Q908
D905
D904
D903
R916
R922
C905
R917
Q905
R915
D906
R914
C911
C910
R909
IC903
JW
H
901
JW
H
902
JW
H903
C920
C919
C918
C917
C916
C915
R931
R929
D901
D902
R930
CN909
CN908
CN907
CN906
CN913
CN912
IC911
IC912
C927
C922
C924
D907
C925
C928
C926
CN914
CN915
CN916
C913
EP905
EP904
L902
L901
100
µ
H
100
µ
H
IC913
Q913
Q911
Q912
IC904
IC905
IC906
IC909
IC910
C921
C923
C907
C909
JW901
Q909
Q904
R928
R927
EP903
EP901
EP902
JWH904
RT1N141C
2P
2P
0.1
2.2k
5P
3P
5P
0.1
15k
1k
3.9k
10k
1
2W
2P
0.75
250V
250V
1k
470
100
2SC2713
1k
10k
36k
2SC2713
1SR154
1SR154
1SR154
10k
200k
0.01
100V
100V
1k
1W
1W
2SA1163
100
UDZSTE-176.2B
0
0.75
250V
250V
470k
NJM3414AM
0.1
100
16V
16V
0.1
100
16V
16V
0.1
100
16V
16V
8.2k
2.2k
1SS355
1SS355
2.2k
11P
8P
4P
3P
BA033T
M5F7805L
0.1
0.1
0.1
1SS352
0.1
100
16V
16V
100
16V
16V
2P
10000
63V
IMZ4
2SB1690
RT1P141C
RT1N141C
M5F7805L
TA7807S
TA79005S
BA033T
M5F7805L
6800
6.3V
6.3V
6800
6.3V
6.3V
470
16V
16V
22
25V
MN2488
2SK1381
3.9k
30k
*3
470
100V
VGND
VOL-DC
TEMP
VGND
V-9V
V+12V
V+B
-1
2V
+12V
+12
V
+12VB
FL
GN
D
-1
2V
D
SP
G
N
D
V
ID
EO
G
N
D
VGND
V+B
STO
P
FLG
N
D
-12
V
STO
P
PO
W
RE
LAY
P
O
W
RELA
Y
VPOW
ER
VGND
V-9V
VOL-SW
V+5V
PO
W
CH
G
P
OW
C
HG
VOL-SW
AC STOP
AC STOP
V+12V
+5V REGULATOR
+7V REGULATOR
-5V REGULATOR
+5V REGULATOR
+3.3V REGULATOR
+5V REGULATOR
+3.3V REGULATOR
(CHASSIS)
CN1
CN2
CN3
CN4
CN8
CN7
CN5
(CHASSIS)
+5V
+7V
-5V
GN
D
D+5
V
DG
ND
D+3.3V
ST
B+
3.3V
S
TB+5V
SWITCHING
O
G
I
O
G
I
SWITCH
B+/B-
B+ SWITCH
B- SWITCH
POWER
CONTROL
SWITCH
O
I
G
O
I
G
O
I
G
O
I
G
O
I
G
VOL-DC AMP
V
G
INVERTER
Q910
2SC2603
BUFFER
BUFFER
BUFFER
S
B+ SWITCH
DISCHARGE
(CHASSIS)
(STR-DA2000ES)
(Page 5)
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