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
A
1
2
3
4
5
B
C
D
E
F
G
H
U042
+9V
-9V_VD
POFF
APOWER
+5.3VXM
+56S
Z2L
Z2R
IRIN
Z2SW
+22VA
AGND
12VTRGA
12VTRGB
12VTRGC
-9VVD
232RXD
232RXD
232TXD
232TXD
POFF
APOWER
10S
+VMPU
+12VTRG
12VTRG
+12V
FLAC1A
S3-
FLAC2A
S3+
S2-
S2+
-22VA
-VP
FANL
FANH
POFF2
+9VVD
+9VVD
+5VDSP
+5VDSP
GNDA
GNDD
GNDD
GNDD
GND12
GNDA
GNDA
GNDD
GNDD
GNDRL
GNDD
GNDV
GNDV
GNDS
GNDS
GNDS
FLAC2
FLAC1
-VP
GNDFL
+5VDSP
FANDC
GNDD
-22V
GRAY
BLUE
BLUE
GRAY
WHITE
IRIN B
IROUT
RS-232C
XM POWER
FAN POWER
P5505
NAPS-8665
BROWN
BLACK
BROWN
1
2
3
4
5
P952
C952 334J
R952
(1/2W)
2.2
C963
334J
C962
334J
R953
(1W)
0.22
R954
(1/2W)
2.2
D952
1SS133
C953
3.3/50
+
C956
10/50
+
R961
(1/2W)
OTHER
2.2
C951
334J
D953
D10XB60H
4
3
1
2
D951
1SS133
R962
(1/2W)
2.2
R963
(1/2W)
22
D958
MTZJ33D
R964
15K
R5524
1K
R5504
10k
R5507
330
F931
F932
C955
3300/16
+
C964
102J
C929
102J
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
R958
1K
R957
2.2K
Q957
2SA1015
Q960
2SC1740S
D963
RN1N4003
D964
RN1N4003
D965
RN1N4003
D966
RN1N4003
D957
RN1N4003
D956
RN1N4003
C5508
102J
R5526
100
R5525
100
R959
2.2K
J5506
R951
(1/2W)
2.2
R967
(1W)
0.22
C5509
102J
P5503
4
2
1
3
3
C5507
223Z
C5513
223Z
D954
MTZJ-
8.2C
Q956
KRC102M
Q958
KRC102M
R955
(1/2W)
2.2
C958
10/50
+ R956
(1/4W)
33
R5514
1K
Q5505
RN1202
F952
Q955
2SD1858
C959
100/16
+
Q951
LM2940CP-5.0
1
I
2
G
3
O
C957
100/16
+
Q5502
2SB1240
C967
220/50
+
R965
33K
R946
(1/2W)
10
C969
47/50
+
C954
10000/16
+
R5506
10k
R5505
10k
R5502
330
C5502
223Z
R5503
330
C5503
1/50 C5505
1/50
C5506
1/50
R5519
220K
J952
C974
10/50
+
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
D961
RN1N4003
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
F951
Q952
S812C53
2
I
3
G
1
O
P951
4
3
2
1
C965
3300/35
+
C966
1000/35
+
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
C973
470/16
+
Q954
2SA965-Y
C968
220/63
+
C970
223Z
D967
1SS133
RN1N4003
D962
RN1N4003
D5502
1SS355
D5508
IRLED
D5501
1SS355
E5502
D969
1SS355
D968
1SS355
D971
1SS355
D970
1SS355
Q959
2SA1930
JL957B
To NADIS-8675 SCH.9
5
4
3
2
1
P955
2
1
L5502
022M
L5501
022M
R971
(1/2W)
2.2
R966
(1/2W)
0.22
R970
(1W)
2.2
D959
4.7 (1/2W) <D>
6.8 (1/2W) <T>
1.6A-SE-EAK
1.6A-SE-EAK
6.3A-SE-EAK
6.3A-SE-EAK
D ONLY
ICL3221ECVZ
To NAAR-8661 SCH.3
To POWER
TRANSFORMER
To NAAR-8661 SCH.3
To POWER
TRANSFORMER
