DTA-9.4
Power
Standby
Power
Standby
Power
Standby
U2
D136
E113
E112
R139
D133
D161
P903B
P131A
NAPS-7789
D920
D921
D922
D923
E101
JL9906B
Q103
E114
P101A
P108
E126
E125
E122
E121
E124
E123
JL132B
L101
L102
E102
E192
E191
P161
RL+
GND2
RL-
RL+
RL-
+12V
PROT
+12V
GND2
PROT
TEST
VOLTAGE
ADJUST
VOLTAGE
CHECK
REGULATED
LOW
CURRENT
TH1
GND2
TH2+
TH2-
CTRL1
CTRL2
+B
+B
+B
GND
-B
PROT
+B
E
-B
E173
E174
E175
P161
PROT
TEST
U15
L505
RL501
RL701
P501
P502
P301
RL502
Q506
Q505
Q511
Q512
E501
P701
P702
P302
E601
S301
Q717
JL701A
NAAF-7797
TEMPERATURE
CURRENT
WARNING
OR
DC
OUTPUT
BLACK
WHITE
P703
R430
P504
P503
INDICATOR
P607A
P608B
OFFSET
Q604
Q603
MODULATOR OPERATION
GMUTE
PHTCP
OUTRL
FMUTE
ERR
+5VC
GNDC
Q711
P303
P601A
P601B
P704
P608A
P607B
RED
+B
P601C
BLUE
-B
INPUT
SELECT
XLR
RCA
OUTPUT
RL701
RL501
RL502
OPERATION CHECK-1
CURRENT DETECTION OF POWER SUPPLY
Notes
No load and No signal input.
How to check?
1. Connect the power supply card to a wall outlet.
2. Power On the unit.
3. Short-circuit the both ends of
P161
on NAPS-7789.
4. Check that it is as follows.
Lights
Blinks
Lights
Blinks
How to check?
2. Connect the power supply card to a wall outlet.
4. Power On the unit.
5. Immediately after power switch On.
4. About 1 second after turning On a power supply.
5. About 10 seconds after turning On a power supply.
Check
Blinks stop
RELAYS AND INDICATORS
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299