9-5
FL11.4ABLP
5. Power Supply Block Diagram
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 même type de 4A, 125V.
4A/125V
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
HOT COLD
POWER SUPPLY CBA
HOT CIRCUIT. BE CAREFUL.
Q601
SWITCHING
CONTROL
14
3 2
T600
LINE
FILTER
L600
CN600
AC600
AC CORD
BRIDGE
RECTIFIER
D600- D603
FEED
BACK
Q600
SWITCHING
Q634
CN200
CN632 CN3701
Q210,Q211
SWITCHING
Q213
SW-9.5V
SW
Q214
Q221, Q222,
D221
SW+15.8V
Q635
Q207,Q208
Q636
+5V REG.
IC202
+3.3V REG.
LINE
FILTER
L601
4A/125V
F601
4A/125V
Q631
Q632
P-ON-H1
VCOM-PWM
TO SYSTEM
CONTROL
BLOCK
DIAGRAM
P-ON-H2
PROTECT3
PROTECT1
SWITCHING
+24V
11
13,14
AMP+24V
AL+5V
P-ON+24V
LCD MODULE ASSEMBLY
DIGITAL MAIN CBA UNIT
LCD-6V8
P-ON+3.3V6,7
VGH4
VCOM10
PANEL+15.8V2,3
AL+5V11
16,17
P-ON+24V16,17
AMP+24V13,14
Q212
Q200, Q201,
Q206
SW+24V
3
5
4
9
10
11
12
13
14
15
8
7
1
2
CN601
*1
*2
ERROR
VOLTAGE DET
IC601
*1 LC320EM2 (Serial No.: DS1),
32MF301B/F7 (Serial No.: DS1),
LC320SS2 (Serial No.: DS1)
*2 LC320EM2 (Serial No.: DS2, DS3, DS4, DS5, DS6, DS7, ME1,
ME3, TH1),
LC320EM2F (Serial No.: DS1, DS2, DS3, DS4),
32MF301B/F7 (Serial No.: DS2, DS3, DS4, DS6, ME1, ME3, TH1),
LC320SS2 (Serial No.: DS2, DS3, ME1, TH1)
CLC320EM2F (Serial No.: DS1)
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