TX-SR703/E
SCHEMATIC DIAGRAM 8
POWER SUPPLY SECTION
IRIN A
12VTRGC
/Z2
P5507
R5509
100
D5507
IRLED
P5506
22
24
21
2
10
1
J5503
U042
OWER
M
+56S
Z2L
Z2R
IRIN
Z2SW
+22VA
AGND
12VTRGA
12VTRGB
12VTRGC
232RXD
232RXD
232TXD
232TXD
FF
POWER
S
+12VTRG
12VTRG
V
-22VA
FANL
FANH
P
P
GNDA
GNDA
GNDD
GNDD
GNDS
GNDS
D
IRIN B
IROUT
RS-232C
P5505
NAPS-8665
R5524
1K
R5504
10k
R5507
330
P954B
TO_MOTHER
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
R5508
330
U5501
2
3
1
J5505
J5502
J5508
J5507
C5508
102J
R5526
100
R5525
100
J5506
C5509
102J
P5503
4
2
1
3
3
C5507
223Z
C5513
223Z
56
102M
02M
R5514
1K
Q5505
RN1202
Q5502
2SB1240
R5506
10k
R5505
10k
R5502
330
C5502
223Z
R5503
330
C5503
1/50 C5505
1/50
C5506
1/50
R5519
220K
P5501
10
1
6
2
7
3
8
4
9
5
11
JL911B
To PS 1
NAPS-8664 SCH. 7
1
2
3
4
5
6
Q5501
16
FORCEOFF
15 VCC
14
GND
13
T1OUT
12 FORCEON
11
T1IN
10
INVALID
9
R1OUT
8
R1IN
7
V-
6
C2-
5
C2+
4
C1-
3
V+
2
C1+
1
EN
C5504
1/50
J5501
P5505
22
24
21
2
10
1
R5510
100
C5514
102K
C5516
103Z
C5515
103Z
R5511
3.9
P959B
TO_MOTHER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
C5512
100/16
C5511
100/16
C5501 100/16
E5501
D5502
1SS355
D5508
IRLED
D5501
1SS355
JL957B
To NADIS-8675 SCH.9
5
4
3
2
1
P955
2
1
L5502
022M
L5501
022M
ICL3221ECVZ
To NAAR-8661 SCH.3
To NAAR-8661 SCH.3
A
1
2
3
4
5
B
C
D