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A
B
Q Q
3 7 6 3 1 5 1 5 0
SCHEMATIC DIAGRAMS-4
POWERSUPPLY CONTROL SECTION
1
NAPS-7790
U5
SWITCHING CONTROL PC BOARD
+5V
Q881
D893
STW26NM50
SFPB76
2SC2120Y
NSWT-3026
Q863
T851
2
Q861
R881
1
6
R891
2SA950Y
10
22/16
68
10
2
5
(1/2W)
(1/2W)
R873
C863
3
4
Q864
2SA950Y
Q862
2SC2120Y
C861
330/35
STW26NM50
2SC2120Y
R882
D894
Q867
NSWT-3026
10
Q865
T852
(1/2W)
SFPB76
2SA950Y
22/16
1
6
10
R892
R874
C865
2
5
68
(1/2W)
Q868
3
4
2SA950Y
Q866
2SC2120Y
T E
L
1 3 9 4 2 2 9 6 5 1 3
PRIGND
3
CAUTION:
Do not contact neither a tester, digital volt meter etc. on this point.
Don't touch by hand too.
Because, there is a danger that a circuit will break down.
+5V
Q809
Q805
2SA1312GR
2SA1312GR
Q804
2SA1312GR
4
C803
CAUTION
Q803
2SC3324GR
330J
R809
Q806
2SA1312GR
15K
C802
471J
14
Q802
1
2
R811
2SC3324GR
Q813
C804
4.7K
7
74HCU04
330J
C801 104
Q807
R808
2SC3324GR
15K
Q808
2SC3324GR
w w w
5
.
C
From NAPS-7788
From NAPS-7788
From NAPS-7788
(P801A/P801B)
P801C
L902
NCH-1600
(DT-4020H)
C920
QETJ5104KPP2CS
L903
NCH-1600
(DT-4020H)
C891
UDD:168V UJJ:141V
B471K-KX
PRIGND
Q883
STW26NM50
D895
R883
NSWT-3026
2
2
10
SFPB76
T853
3
(1/2W)
3
22/16
R893
4
3
C868
1
1
68
(1/2W)
5
2
6
1
C882
DADC250V-225J
Q882
Q884
STW26NM50
NSWT-3026
D896
R884
T854
2
2
C869
10
3
SFPB76
3
(1/2W)
4
3
22/16
R894
1
1
68
5
2
(1/2W)
6
1
C808
Q816
R814
R815
RN2402
150J
0
0
R821
R827
Q810
1.5K
Q813
2SA1312GR
R820
3
6.8K
74HCU04
R826
C805
(NO USE)
1
1CK
100D
R812
2
1K
18K
Q813
1J
Q813
3
11
10
9
8
4
1PR
74HCU04
74HCU04
C807
5
1Q
12
13
101J
R818
Q815
6
1Q
Q813
RN1402
4.7K
74HCU04
2Q
7
GND
8
x
a o
y
i
http://www.xiaoyu163.com
DTA-9.4
D
E
From NAPS-7788
(P902A)
D901
RBV-2506
P902B
+5V
Q871
2SC2120Y
Q869
2SA950Y
Q872
Q870
2SA950Y
2SC2120Y
Q875
2SC2120Y
Q873
2SA950Y
R872
10
Q876
2SA950Y
Q874
2SC2120Y
C866
330/35
Q
Q
R875
3
7
6
0.47 (1/2W)
+5V
27K
Q813
14
2
3
R822
4
5
6
1
10
74HCU04
Q814
7
74HC08
+5V
VCC 16
5
1CLR 15
6
R823
4
10
2CLR14
Q814
74HC08
2CK 13
13
11
R825
2K 12
12
10
Q814
+5V
2J 11
74HC08
2PR 10
10
8
R824
9
2Q 9
10
Q814
74HC08
E841 (PRI)
u 1 6 3
.
http://www.xiaoyu163.com
F
G
2
4
8
9
9
CAUTION
FOR CONTINUED PROTECTION
[NOTE]
AGAINST FIRE HAZARD, REPLACE
NC: No connection
ONLY WITH FUSE OF SAME TYPE
A
V
NU: No use
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.
NAPS-7791
To NAPS-7789
(P131A)
U14
TERMINAL
PC BOARD
JL805B
TH1 PROT
R853
R854
470
PTFM04BD222Q2N34B0
R852
6.8K
3
1
5
1
5
0
8
9
2
U11
POSISTOR PC BOARD
R851
8.2K
UDD:168V UJJ:141V
10/16
C851
Q842 2SA1488
Q845
2SA992
Q841
2SC2458GR
2
1
D843
Q843
SPX-G32S
3
2SK2599
Q848
78M05
R859
O
G I
33
(1/2W)
PRIGND
m
c o
DTA-9.4
H
2
8
9
9
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.
JL805A
NAETC-7802
4
9
8
2
9
9
DTA-9.4/DTA-7 UDD/UJJ RC-202725 PART-3
NCPS7788.SCH 2003/04/08 15:28:04
03/04/08
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