33
33
STR-DB900
STR-DB900
4-20. SCHEMATIC DIAGRAM — POWER SECTION —
IC907
IC910
IC903
IC908
C929
C949
L904
C945
C931
C943
C936
C948
R930
L902
R929
D918
C935
R926
C928
D915
C924
D913
C922
C925
D914
D907
C914
R918
R920
R919
C918
R916
R917
R909
R914
R913
R912
C903
R903
R901
D901
PC902
C902
PC901
R924
R958
R925
EP902
C953
C923
D909
R921
D908
D916
D912
R923
C915
C919
C910
R910
R908
R906
R905
C955
R915
R911
D904
D902
EP901
C904
C905
C906
R907
C901
F901
C907
TH901
D911
C920
R922
L906
C930
R960
R961
D932
R962
D933
L901
R967
C962
R965
R933
R934
R955
C939
R954
C958
R952
R935
D925
C947
R946
C934
R941
D926
D927
R947
L911
CN901
CN902
CN903
L910
L905
L907
L908
R966
R927
R928
R904
R951
D928
R956
R937
R957
D920
C937
C941
IC909
R964
R963
C961
IC905
D921
C926
EP905
C933
C932
D919
R932
R931
CNP901
D905
LF902
LF901
FH901
FH902
D917
D903
D906
D929
C956
EP904
CN1
S1(2/2)
JWH1
CP1
TP823
TP822
CN2
IC904
Q901
IC901
Q912
Q914
Q910
Q905
Q908
Q920
Q907
Q902
Q904
Q917
Q906
Q903
C916
IC902
C913
C938
C944
C917
Q990
R990
C990
CN991
R991
R992
R993
D990
CN990
IC906
S1(1/2)
L912
D930
D931
C954
BA10T
BA033T
SE-012N
BA033T
0.1
1200
6.3V
0.1
330
25V
220
16V
1000
16V
220
16V
180
820
RK14-LFA-A
1
0.1
10
1/10W
0.033
RN3Z-LF014-302
3300
16V
FMN-G12S
0.0022
630V
3300
16V
RN3Z-LF014-302
SARS01-V1
1000
63V
330
2W
10
2W
2.2k
47p
630V
3.3k
3.3k
680
0.12
2W
0.12
2W
0.12
2W
10
63V
100
1/4W
3.3k
UDZSTE-17
18B
IC TLP421
100
16V
IC TLP421
1k
1/4W
150k
2.7k
0.0015
250V
0.001
2kV
UDZSTE-17
20B
4.7k
1/4W
UDZSTE-17
24B
USZSTE-17
24B
11EQS10-TA
2
10
1/4W
0.01
22
470p
220
0.18
2W
0.18
2W
0.18
2W
220p
3.3k
1/4W
100k
2W
10E6N
10E6N
0.0022
250V
0.0022
250V
0.0022
250V
3.3M
1/2W
1.0
275V
T3.15AH
250V
0.47
275V
SARS03
10000p
630V
150k
2W
0.01
630V
2.7k
2.2k
UDZSTE-17
5.6B
10k
1SS352-TPH3
470k
0.047
1.5k
680
1k
680
0.001
47k
470
10V
10k
1.8k
UDZSTE-17
5.6B
330
10V
1k
1000
63V
33k
UDZSTE-17
5.6B
UDZSTE-17
16B
3.9k
1W
2P
SDN
5P
11P
PH
3k
1.5k
1/4W
1.5k
1/4W
6.8k
22k
1SS352-TPH3
10k
1k
33k
10EDB40-TB5
2200
16V
100
10V
TLC272CP
15k
1k
1000p
TA76431AS
10EDB40-TB5
2200
25V
1000
63V
1000
63V
UDZSTE-17
5.6B
1.5k
1/4W
1.5k
1/4W
2P
BLK
RBV-606-01
YG906C2R
11EQS10-TA
2
11EQS10-TA
2
11EQS10-TA
2
0.0015
2P
WHT
L
0
2P
SDN
SI-8050JF
2SC3852A
+17V REG
STR-G7421
2SC2713
+15V REG
2SC3852A
+15V REG
2SC2229-OY
+5V REG
2SC2713
GATE
2SC2713
GATE
DTC124EKA
GATE
DTA124EKA
BUFFER
DTA124EKA
BUFFER
2SC3852A
+20V REG
2SC2713
BUFFER
2SC2713
BUFFER
2SA1163
FIB AMP
470
450V
STR-F6268M
33
50V
0.0047
100V
10
100V
0.01
100V
NEN250
2.2k
47
63V
3P
150k
100
100
10EDB40-TB5
2P
TA79012S
1SR154-400TE-25
1.0A
1SS352-TPH3
0.1
POWER
TRANSFORMER
T902
T901
POWER
TRANSFORMER
BUFFER
+3.3V REG
SWITCHING
REGULATOR
+10V REG
-12V REG
+3.3V REG
SHUNT REG
SHUNT REG
SWITCHING
REGULATOR
SWITCHING
REGULATOR
BOARD
BOARD
BOARD
DIGITAL
AMP
POWER
(1/4)
(2/4)
AMP
(3/3)
(Page 24)
(Page 19)
(Page 25)
• See page 36 for IC Block Diagram.
Summary of Contents for STR-DB900
Page 63: ...63 STR DB900 MEMO ...