6-4
L2200BLP
Power Supply Block Diagram
4A/125V
F601
4A/125V
LINE
FIL
TER
L601
A
C601
A
C CORD
DEGA
USSING
COIL
DG691
CN691
PS691
BRIDGE
RECTIFIER
D605 - D608
HO
T
COLD
T601
6
4
2
1
11
12
8
10
7
4
3
1
2
IC601
ERR
OR
V
OL
T
A
GE DET
Q601
Q602
LIMITER
SWITCHING
Q662
FEED
BA
CK
VR661
+B
ADJ
Q676
SWITCHING
CONTR
OL
Q675
SWITCHING
P-ON-ON
SWITCHING
Q671
Q683
Q682
Q681
+8V
SWITCHING
+5V
SWITCHING
+5V
SWITCHING
+5V
SWITCHING
MAIN CB
A
+B
DEF +B
AL+5V
+5V
-CTRL2
(T
O PIN18 OF IC111)
P-ON+8V
P-ON+5V
P-ON+5V
AL+12V
P-ON-H
(T
O PIN79 OF IC111)
+5V
-CTRL
(T
O PIN28 OF IC111)
+8V
-CTRL
(T
O PIN40 OF IC111)
AL+33V
PR
O
TECT
-2
(T
O PIN67 OF IC111)
BA
CK-UP
AL+9V
Q111
+9V
SWITCHING
Q321
NO
TE :
The v
oltage f
or par
ts in hot circuit is measured using
hot GND as a common ter
minal.
GND
TP300
+B
TP601
HOT CIRCUIT. BE CAREFUL.
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
PR
O
TECT
-1
(T
O PIN68 OF IC111)
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.
Содержание ST413E
Страница 1: ...13 COLOR TELEVISION ST413E 19 COLOR TELEVISION ST419E SERVICE MANUAL...
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Страница 55: ...2003 12 05 ST413E ST419E L2200 2300UA...
Страница 67: ...ST413E 6413TE DWT1304 ST419E 6419TE L2200XA L2201XB L2204XE L2300XA L2301XB 2005 03 10...