Integra DTR-7.6 Service Manual page 26

A
SCHEMATIC DIAGRAM 8
POWER SUPPLY SECTION
1
RS-232C
15
14
13
232TXD
12
11
232RXD
10
9
8
7
2
6
5
4
3
2
1
WER
OWER
1
2
3
4
F
5
6
3
2M
D 1
2
4
02M
5
4
3
2
1
5
TO_MOTHER
B
R5505
L5501
10k
022M
R5503
R5504
330
R5502
330
GNDD
NAPS-8665
U042
Q5502
2SB1240
R5511
3.9
Q5503
D5502
D5501
2SB1240
R5512
1SS355
1SS355
3.9
R5514
1K D5503 D5504
1SS355 1SS355
R5515
1K
DTC114ES D5505
1SS355
Q5506
DTC114ES
Q5505
P959B
Q5501
ICL3221ECVZ R5506
C5503
16 FORCEOFF 1
EN
1/50 C5505
15 VCC 2
C1+
14 GND 3
V+
13 T1OUT 4 C5504
C1-
1/50
5
12 FORCEON
C2+
11 T1IN 6
C5506
C2-
10 INVALID 7 1/50
V-
9 R1OUT 8
R1IN
1/50
D5507
IRLED
Q5504
2SB1240
R5513
3.9
D5506
1SS355
Q5507
DTC114ES
R5520
100K
Q5508
U5501
022M
2
3
L5502
1
P5505
R5524
1K
IRRV
GNDS
E5501
C
GNDS 10
10k
223Z
1
6
C5507
2
7
R5507
3
330 8
R5508
4
9
330
5
11
R5509
P5506
22
24
100
IRIN A
21
2
10
12VTRGC
1
P5507
22
24
21 12VTRGA
2
10
12VTRGB
1
R5510
P5505
100
22
24
J5508
21
J5502
2
10
1
R5525
100 3
C5508
102J 1
C5509
102J 2
R5526
4
100
R5527
100
2
C5514
3
102K
DTR-7.6
D
/Z2
IRIN B
IROUT