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QQ
3 7 63 1515 0
U16: NAAF-7798
TEMPERATURE SENSOR
PC BOARD
Over Current
Detection
Q701
MOS FET Temperature
Detection Cuircuit
Q709
R710 (PTC Themistor)
Current Protection
and
Temperature protection
Circuit
Q704
Reset
Q9822
Constant Voltage
TE
L 13942296513
Power Supply
Q9804
utput Relay
Reset IC
l Circuit
,Q9811
Q9808
Multi Vibrator
Q9806
High-Frequency
it
Rectifer Diode
Transformer
T901
D101 - D104
ance
uit
T902
ircuit
NFB
944
Q817
www
F
DC Offset
Detection
Q580, Q581
+5V
Q717
Detection
Circuit
Q751, Q752
+5V
12V Trigger/
Cotrol Link
Detection Circuit
Q9832-Q9833
LED Driver
Q9813-Q9815
High-Speed
Smoothing
Capacitor Arrey
Coil
C103-C106
x
ao
U2: NAPS-7788
SECONDARY POWER SUPPLY
.
i
PC BOARD
http://www.xiaoyu163.com
+5V
D705
DC Output
Warning
Q717
Temperature or
Current
Warning indicator
D751
Q Q
3
6 7
Q9812
Output
+B (+27V)
Bus plate
GND
Bus plate
-B (-27V)
Bus plate
Error amplififer
Circuit of
Output voltage
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G
2 9
9 4
8
U15: NAAF-7797
POWER AMPLIFIER PC BOARD
RL701
Speaker Output
Relay Driver
Q708,Q715
-27V
U16: NAPS-7792
TRIGGER TERMINAL PC BOARD
1 3
1 5
0 5
8
P9910
12V TRIGGER
CONTROL LINK IN
Standby/Warning
D9813
(Red)
D9812
Power
(Blue)
U8: NAETC-7794
DISPLAY LED PC BOARD
m
co
.
DTA-9.4
H
2 8
9 9
SPEAKER
OUTPUT
2 9
9 4
2 8
9 9
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