Sharp LC-20AV7U Service Manual - Page 41

Main 5/5 Schematic Diagram

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Main 5/5 Schematic 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. NOTE: CBA AND PWB MEANS PRINTED WIRING BOARD. 4A/125V CAUTION ! : For continued protection against risk of fire, replace only with same type 4 A, 125V fuse. ATTENTION : Utiliser un fusible de rechange de même type de 4A, 125V. NOTE: The voltage for parts in hot circuit is measured using hot GND as a common terminal. MAIN 5/5 Ref No. Position ICS IC601 AA-1 IC901 DD-2 IC904 BB-2 IC905 BB-1 TRANSISTORS Q601 Y-2 Q603 Z-2 Q901 CC-1 Q902 CC-2 Q903 CC-2 Q905 BB-3 Q906 BB-2 Q907 CC-3 Q908 CC-4 Q909 CC-3 Q910 CC-4 Q913 AA-1 Q916 BB-3 Q917 BB-4 Q918 CC-3 Q919 CC-3 Q923 BB-3 9-7 A7144SCM5

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9-7
NOTE: CBA AND PWB MEANS PRINTED WIRING BOARD.
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
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.
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
A7144SCM5
Main 5/5 Schematic Diagram
MAIN 5/5
Ref No.
Position
IC601
AA-1
IC901
DD-2
IC904
BB-2
IC905
BB-1
Q601
Y-2
Q603
Z-2
Q901
CC-1
Q902
CC-2
Q903
CC-2
Q905
BB-3
Q906
BB-2
Q907
CC-3
Q908
CC-4
Q909
CC-3
Q910
CC-4
Q913
AA-1
Q916
BB-3
Q917
BB-4
Q918
CC-3
Q919
CC-3
Q923
BB-3
ICS
TRANSISTORS