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7-7
Power Supply Block Diagram
A8AN5BLP
HO
T
COLD
PO
WER SUPPL
Y CB
A
Q602
SWITCHING
CONTR
OL
1
4
3
2
IC603
T601
7
5
9
16
10
11
15
12
13
14
3
2
FEED
BA
CK
Q601
SWITCHING
Q631
CN301
CN3601
Q632,Q634
SWITCHING
Q646
SW
-12V
Q502
Q645,D648
SW+13V
Q650
IC637
+3.3V
REG.
2
3
Q633
Q639,Q671
Q637
SW+5V
Q801
SW+9V
Q638,D634
SW+3.3V
P-ON-H1
T
O
SYSTEM
CONTR
OL
BLOCK
DIA
GRAM
P-ON-H2
RESET
+5V REG.
PROTECT2
PROTECT1
SWITCHING
+35V
P-ON+5V
AL+3.3V
AL+13V
P-ON+9V
RESET
Q501
LCD-6.8V
8
P-ON+3.3V
14,15
LCD+3.3V
10
+3.0V(1)
18,19
+3.0V
16
LCD+24.5V
6
LCD+13V
7
AL+3.3V
12
P-ON+5V
20
16
9,10
14
5,6
8
18
17
12
4
LCD+13V
LCD+24.5V
LCD-6.8V
LCD+3.3V
AL+3.3V
P-ON+2.0V
+2.0V REG.
IC3302
+1.8V
+1.8V REG.
IC3601
+1.1V
+1.1V REG.
IC3603
P-ON+5V
DIGIT
A
L MAIN CB
A UNIT
4A/125V
F601
4A/125V
LINE
FIL
TER
L601
A
C601
A
C
CORD
BRIDGE
RECTIFIER
D609 - D612
+35V
1
FEEDBA
CK
2
INV+22V
3,4
CN309
TO
INVER
TER
BLOCK
DIA
GRAM
(CL403)
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F601) is blown , check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
For continued protection against risk of fire,
replace only with same type 4 A, 125V fuse.
CAUTION ! :
ATTENTION :
Utiliser un fusible de rechange de m
ê
me type de 4A, 125V.
4A/125V
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
Содержание LC195EM9 B
Страница 33: ...8 6 A8AN5SCINV Inverter Junction Schematic Diagram ...
Страница 34: ...8 7 A8AN5SCF Function Schematic Diagram ...
Страница 35: ...8 8 A8AN5SCIR IR Sensor Schematic Diagram ...
Страница 42: ...8 15 BA8CN0F01021 Inverter CBA Top View ...
Страница 43: ...8 16 BA8CN0F01021 Inverter CBA Bottom View ...
Страница 44: ...8 17 BA8AN0F01012 2 Function CBA Top View Function CBA Bottom View ...