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XM-7527
5-2. BLOCK DIAGRAM – POWER SECTION –
POWER BOARD
CNB804
OFFSET LED
OFFSET CONTROL
7
SWITCH
Q805-806
TO
Q811
AMPLIFIER
BOARD
CNP804
OVER CURRENT
CONTROL
8
Q807-808
MODE
S801
OVER CURRENT
LED SWITCH
Q810
9
HI-C
HI-V
2
THERMAL DETECTOR
D803
TH801
THERMAL
OR
CONTROL
Q801
THERMAL DETECTOR
TH802
4
6
5
B+ SWITCH
Q904
B+ SWITCH
Q903
CNJ802
F902 (25A)
+12V
POWER ON/OFF
B+ SWITCH
D901,Q901
Q902
F901 (25A)
GND
CNJ801
REMOTE
09
D806
OR
D905
MODE
S801
THERMAL SWITCH
HI-V
HI-C
TH901,Q915
IC902
DC DET
12
REF-REG
D906
2
14
3
1
1
4
2
15
16
D802
THERMAL
THERMAL
3
SWITCH
LED SWITCH
Q802
Q809
DC-DC
CONVERTER
IC901
REGULATOR
2
3
D804,Q803-804
1
4
IC903
DC SWITCH
CNP803
HI-C
HI-V
S801
MODE
D904
T901
DRIVER
11
INVERTER
Q906
Q910,912,914
10
SWITCHING
CONTROL
Q907-908
INVERTER
DRIVER
Q909,911,913
8
Q905
D903
9
10
10
LED BOARD
D843
OVER CURRENT
4
3
D845
D844
1
HI-VOLTAGE
HI-CURRENT
2
5
7
G
G
R
G
B+
Q843
Q842
+28V
SWITCH
SWITCH
CNB803
1
TO
AMPLIFIER
BOARD
-28V
B-
D842
D841
OFFSET
THERMAL
R
G
R
G
Q841
SWITCH
B+
7
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