Integra DTR-7.6 Service Manual page 53

A B
SCHEMATIC DIAGRAM 8
POWER SUPPLY SECTION
NAPS-8665
1
F951
6.3A-SE-EAK
BROWN
1
BLACK
2
3 S2-
4
2
BROWN
F952
6.3A-SE-EAK
1
S3+ GRAY
3
2 WHITE
3 S3- GRAY
4 FLAC1A BLUE
5 FLAC2A BLUE
4
5
C
R951
D951
2.2
(1/2W)
1SS133
R952 D952
0.22 (1W)
2.2 R953
1SS133
(1/2W)
R954 2.2 (1/2W)
D953 LM2940CP-5.0
Q951
1 I 3
D10XB60H
O
2
1
4
+9V
3
D961
RN1N4003
-9VVD
Q959
2SA1930
D962
J952
R966 D model
RN1N4003
0.22
(1/2W)
Q952
3
2 I
O
G
R956
1
33
(1/4W) GNDD
S812C53
12V POWER
R969
TA7812S
+22V 0.22
F931 1 I 3
O
(1/2W) GND12
1.6A-SE-EAK
Q957
Q953
R970
2.2 2SA1015
(1W)
GNDA
R971 R946
C966
2.2
10
(1/2W)
1000/35
-22V
(1/2W)
GNDS
F932
Q954
22
1.6A-SE-EAK D957 R963
2SA965-Y
220/50 (1/2W)
RN1N4003
-VP
D954
+
MTZJ-
R962
C967
2.2 8.2C
(1/2W)
D E
U042
RS-232C
L5501
022M
POFF2 15
R5503
+9VVD 14
330
+9VVD 13 232TXD
GNDV 12
R5502
GNDV 11 232RXD
-9V_VD 10
330
+5VDSP 9
+5VDSP 8
GNDD 7
GNDD 6
+5.3VXM 5
GNDD 4
+VMPU 3
POFF 2
1
APOWER
Q5502
2SB1240
R5511
APOWER 3.9
1
D5502
D5501
+12V 2
R5512
10S 3 1SS355
POFF 4 1SS355
R5514
GNDRL
5
1K D5503
6
1SS355
DTC114ES
DTC114ES
Q958
Q5505
KRC102M
GNDD 1
2
FANDC
Q955
2SD1858
FAN POWER
Q960
2SC1740S
Q956
KRC102M
GNDFL 5
+5VDSP 4
3
-VP
FLAC2 2
1
FLAC1
TO_MOTHER P959B
F G
Q5501
ICL3221ECVZ R5506
R5505 GNDS 10
C5503
10k
10k
16 FORCEOFF 1
223Z
EN
1/50 C5505
15 VCC 2 1
C1+
14 GND 3 6
V+ C5507
13 T1OUT 4 C5504 2
R5504 C1-
1/50
12 FORCEON 5 7
C2+
R5507
11 T1IN 6 3
C5506
C2-
10 INVALID 7 1/50 330 8
V-
R5508
9 R1OUT 8 4
R1IN
9
1/50 330
5
GNDD 11
D5507
R5509 P5506
22
24
100
IRLED
21
2
10
Q5503
1
2SB1240 P5507
22
24
3.9
Q5504
21
D5504
2SB1240
R5513
1SS355 2
10
R5515 3.9
1
1K
D5505 D5506 R5510
P5505
1SS355 100
Q5506 22
1SS355
24
J5508
21
Q5507
J5502
DTC114ES
2
10
1
R5520
100K
Q5508
R5525
100
U5501
C5508
022M
2 102J
3
C5509
L5502
1 102J
R5526
4
100
P5505
R5524
R5527
1K
100
IRRV
C5514
GNDS 3
102K
E5501
DTR-7.6
H
IRIN A
12VTRGC
/Z2
12VTRGA
12VTRGB
IRIN B
IROUT
3
1
2
2