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A
B
Q Q
3 7 6 3 1 5 1 5 0
SCHEMATIC DIAGRAMS-3
NAPS-7788
U1
PRIMARY POWER SUPPLY PC BOARD
1
AC-H
C901
P996B
103
P997B
AC-G
R901
RL901
3.3M
E902
E901
E903
(CASSIS)
(CASSIS)
(PRI)
RL902
C913
(NO USE)
RL901,RL902
2
NRL-1P10A-DC12-140
D931
1SS133
T E
L
1 3 9 4 2 2 9 6 5 1 3
3
To NAPS-7790
NAPS-7801
AC INLET
U3
PC BOARD
12A/250V
AC-H
P996A
F901
F902
AC-G
P997A
(NO USE)
AC INLET
P995
4
UJJ:100V 50/60Hz
UDD:120V 60Hz
To NAPS-7793
(P9911C)
w w w
5
.
C
D902
SM25GZ51
1
2
3
R903
4.7
UDD:168V UJJ:141V
(5W)
C924 (NO USE)
C925 (NO USE)
B102K-KX
C906
(250VAC)
E904
(SEC)
C907
B102K-KX
(250VAC)
PRIGND
R911
100K(1/2W)
C917
DADC400V-105J
C916
DADC400V-105J
R912
100K(1/2W)
P801B
P801A
D901
RBV-2506
To NAPS-7790
To NAPS-7790
(P801C)
CAUTION
[NOTE]
FOR CONTINUED PROTECTION
NC: No connection
AGAINST FIRE HAZARD, REPLACE
NU: No use
ONLY WITH FUSE OF SAME TYPE
A
V
AND RATING INDICATED.
ATTENTION
AFIN D'ASSURER UNE PROTECTION
PERMANENTE CONTRE LES RISQUES
D'INCENDIE, REMPLACER UNIQUEMENT
A
V
PAR UN FUSIBLE DE MEME TYPE
ET CALIBRATION COMME INDIQUE.
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
THAT THE FUSE USED IS SLOW OPERATING TYPE
FOR CONTINUED PROTECTION AGAINST FIRE
HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
RATING REFER TO THE MARKING ADJACENT TO THE SYMBOL.
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
E LENT.POUR UNE PROTECTION PERMANENTE,N'UTILISER
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
x
a o
y
i
http://www.xiaoyu163.com
DTA-9.4
D
E
- +
P904
12V INPUT
FOR TEST
D903 D1NL40
R905
D904 D1NL40
270
T902
(1W)
NSWT-3025
D941 EK16
L941
D905 D1NL40
NCH-1602
6
12
D942 EK16
D906 D1NL40
R909
D943 EK16
0.22 (1/2W)
D944 EK16
1
7
PRI DC LIVE
WARNING
4
3
T901
L904
BL02RN2-R62
NSWT-3025
NCH-1594
L912
6
12
R910
(FK-120D)
2
1
2.2(FUSE)
L913
C921
(NO USE)
R913
R914
R915
C922
P985B
100
100
100
B471-KX
BUS-BAR
(1W)
(1W)
(1W)
UJJ
P985A
1
7
BUS-BAR
UDD
P985A
P985B
UDD
NO USE
C923
R916
R917
R918
UJJ
NO USE
100(1W)
100(1W)
100 (1W)
B471-KX
P902A
Q
Q
3
7
6
To NAPS-7790
(P902B)
To NAPS-7791
(P131B)
NAETC-7803
PTFM04BD222Q2N34B0
U2
POSISTOR PC BOARD
u 1 6 3
.
http://www.xiaoyu163.com
F
G
2
4
8
9
9
NAPS-7789
U2
SECONDRY POWER
SUPPLY PC BOARD
P101B
P101A
D101
L101
+27V
NCH-1605
FMG33S
+27V
(DT-3620)
D102
FMG33R
GND
D103
FMS33S
E101
(SEC)
D104
FMG33R
L102
-27V
NCH-1605
(DT-3620)
RL+
GND2
RL-
+27V
3
1
5
1
5
0
8
9
2
LOW
REGURATED
CURRENT
220
R150
R144
R145
150
150
Q136
2SC1815
Q134
2SC1815
-27V
VOLTAGE
ADJUST
R168
(NO USE)
D161
R165
SEL4110R
1.5K
PROT
Q162
Q161
2SC2458GR
2SC2458GR
m
c o
DTA-9.4
H
2
8
9
9
+27V
+B
BUS BAR
GND
BUS BAR
-B
-27V
BUS BAR
-B
GND
+B
VOLTAGE
C134
4
9
8
2
9
9
CHECK
100/100
Q138
2SC1845
Q101
2SA992
Q103
TLP421
D107
1SS133
1SS133
D108
Q102
2SC1845
RL+
RL-
To NAPS-7793
+12V
PROT
(JL9906A)
+12V
GND2
Q163
PROT TEST
2SC2458
GND2
E102
(SEC)(NO USE)
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