Sony STR-DB2000 Service Manual

STR-DA2000ES/DB2000
6767
6-52. SCHEMATIC DIAGRAM – REG Board –
Q914
THP901
CN911 CN910
C906 R907CN902
CN903
CN901
JW902
C908 R912
R913
R911R910
R908CN905
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
H902
JW
H
903
C920
C919
C918
C917
C916
C915
R931
R929
D901 D902
R930
CN909CN908CN907CN906
CN913
CN912
IC911IC912
C927
C922 C924
D907
C925
C928 C926
CN914
CN915
CN916
C913
EP905
EP904
L902
L901
100
µH
100
µH
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 2.2k5P
3P
5P
0.1 15k
1k
3.9k10k
1
2W
2P
0.75
250V
1k
470
100
2SC2713
1k 10k
36k
2SC2713
1SR154
1SR154
1SR154
10k 200k
0.01
100V
1k
1W
2SA1163
100
UDZSTE-176.2B
0
0.75
250V
470k
NJM3414AM
0.1
100
16V
0.1
100
16V
0.1
100
16V
8.2k
2.2k
1SS355 1SS355
2.2k
11P8P4P3P
BA033TM5F7805L
0.1
0.1 0.1
1SS352
0.1
100
16V
100
16V
2P
10000
63V
IMZ4
2SB1690
RT1P141C
RT1N141C
M5F7805L TA7807S TA79005S BA033T M5F7805L
6800
6.3V
6800
6.3V
470
16V
22
25V
MN2488 2SK1381
3.9k 30k
*3
470
100V
VGND
VOL-DC
TEMP
VGND
V-9V
V+12V
V+B
-12V
+12V
+12V
+1
2VB
FL
GN
D
-12
V
D
SP
G
ND
VID
EO
G
N
D
VGND
V+B
STO
P
FLG
ND
-12V
STOP
PO
W
R
ELAY
P
O
W
R
ELAY
VPOW
ER
VGND
V-9V
VOL-SW
V+5V
P
OW
CH
G
PO
W
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 CN8CN7CN5
(CHASSIS)
+
5V
+7V
-5V
G
ND
D+5
V
DG
ND
D
+3.3
V
ST
B+
3.3V
STB+5V
SWITCHING
O
G
IO
G
I
SWITCH
B+/B-
B+ SWITCH
B- SWITCH
POWER
CONTROL
SWITCH
OI
G
OI
G
OI
G
OI
G
OI
G
VOL-DC AMP
V
G
INVERTER
Q01
2SC2603
BUFFER
BUFFER
BUFFER
S
B+ SWITCHDISCHARGE
(CHASSIS)
(STR-DA2000ES)
(Page 54)
(Page 55)
(Page 58)
(Page 54)
(Page 56)
(Page 58)
(Page 51)
(Page 37)
(Page 29)
(Page 54)
(Page 61)

Sony STR-DB2000 Specifications

General

Brand	Sony
Model	STR-DB2000
Category	Stereo Receiver
Language	English