Naetc - Integra DTA-9.4 Service Manual

Seven channel amplifer
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E
QQ
3 7 63 1515 0
- +
P904
12V INPUT
FOR TEST
NSWT-3025
D941 EK16
L941
NCH-1602
D942 EK16
D943 EK16
R909
0.22 (1/2W)
D944 EK16
NSWT-3025
BL02RN2-R62
L912
R910
2.2(FUSE)
L913
P985B
BUS-BAR
UJJ
P985A
BUS-BAR
UDD
P985A
P985B
UDD
NO USE
UJJ
NO USE
P902A
TE
L 13942296513
o NAPS-7790
(P902B)
To NAPS-7791
(P131B)

NAETC-7803

PTFM04BD222Q2N34B0
U2
POSISTOR PC BOARD
www
F
NAPS-7789
P101A
P101B
T902
6
12
D101
FMG33S
D102
1
7
FMG33R
T901
D103
FMS33S
6
12
D104
FMG33R
1
7
RL+
GND2
RL-
VOLTAGE
ADJUST
2SC2458GR
x
ao
.
i
http://www.xiaoyu163.com
U2
SECONDRY POWER
SUPPLY PC BOARD
L101
+27V
NCH-1605
+27V
(DT-3620)
GND
E101
(SEC)
L102
-27V
NCH-1605
(DT-3620)
Q Q
+27V
3
6 7
LOW
REGURATED
CURRENT
220
R150
R144
R145
150
150
Q136
2SC1815
Q134
2SC1815
-27V
R168
(NO USE)
D161
R165
SEL4110R
1.5K
PROT
Q162
Q161
2SC2458GR
u163
y
http://www.xiaoyu163.com
G
2 9
9 4
8
+B
BUS BAR
BUS BAR
-B
BUS BAR
C134
1 3
1 5
0 5
8
2 9
100/100
Q138
2SC1845
Q101
2SA992
Q103
TLP421
D107
1SS133
1SS133
D108
Q102
2SC1845
RL+
RL-
+12V
PROT
+12V
GND2
Q163
PROT TEST
2SC2458
GND2
E102
(SEC)(NO USE)
m
co
.
DTA-9.4
H
2 8
9 9
+27V
GND
-27V
-B
GND
+B
VOLTAGE
9 4
2 8
9 9
CHECK
To NAPS-7793
(JL9906A)

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