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L6650BLP
6-9 6-10
Power Supply Block Diagram
4A/125V
F601
4A/125V LINE
FILTER
L601
AC601
AC CORD
DEGAUSSING
COIL
L691
CN691
PS691
BRIDGE
RECTIFIER
D605 - D608
HOT COLDT601
6
4
2
1 13
14
12
11
9
4
3
IC601
ERROR
VOLTAGE DET
Q601
Q602
LIMITER
SWITCHING
Q652
VR661
+B ADJ
Q673
SWITCHING
CONTROL
Q672
Q681
Q696
RL601
+8V
SWITCHING
MAIN CBA
+B
DEF +B
+5V CTRL2
(FROM PIN 18 OF IC333)
P-ON+8V
DG-ON-H
(FROM PIN74 OF IC333)
+8V CTRL
(FROM PIN40 OF IC333)
AL+33V
P-ON+5V
AL+12V
P-ON+12V
Q111
NOTE :
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
+BTP60110 SWITCHING
Q831
PROTECT-2
(TO PIN 67 OF IC333)
BACK-UP
PROTECT-1
(TO PIN68 OF IC333)
Q682
P-ON+5V
+5V CTRL
(FROM PIN28 OF IC333)
Q683
+5V
SWITCHING
+5V
SWITCHING
+5V
SWITCHING
AL+9V
Q321
+9V
SWITCHING
Q674SWITCHING
P-ON-ON P-ON-H(FROM PIN79 OF IC333)Q832
SWITCHING
P-ON-ON
SWITCHING
P-ON-ON
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/125V1
2
FEED
BACK
Q841
(SWITCHING)
SWITCHING
P-ON-ON
Q191
Q851
+9V
REGULATOR
Q961
+5V
REGULATOR
SWITCHING
DG-ON-ONP-ON+5V