FUNAI SYLVANA 6413TB, Service Manual

Page: 42 / 69

4A/125V
F601
4A/125V
LINE
FILTER
L601
AC601
AC CORD
DEGAUSSING
COIL
L691
CN691
PS691
BRIDGE
RECTIFIER
D605 - D608
HOT COLD
T601
6
4
2
1 11
12
10
8
10
7
4
3
1
2
IC601
ERROR
VOLTAGE DET
Q601
Q602
LIMITER
SWITCHING
Q662
FEED
BACK
VR661
+B
ADJ
+B ADJ.
Q676
SWITCHING
CONTROL
SWITCHING
Q671
Q683
Q682
Q681
+8V
SWITCHING
+5V
SWITCHING
+5V
SWITCHING
MAIN CBA
+B
DEF +B
BACK-UP
+5V CTRL2
(FROM PIN 41 OF IC301)
P-ON+8V
P-ON+5V
P-ON+5V
AL+12V
BACKUP CTRL
(FROM PIN46 OF IC301)
+5V CTRL
(FROM PIN39 OF IC301)
+8V CTRL
(FROM PIN33 OF IC301)
L1300BLP 6-7 6-8
AL+33V
Q111
(SWITCHING)
NOTE :
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
CAUTION !
Fixed voltage 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.
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE FUSE.
ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES
D'INCELE N'UTILISER QUE DES FUSIBLE DE MEMO TYPE.
RISK OF FIRE-REPLACE FUSE AS MARKED.
"This symbol means fast operating fuse."
"Ce symbole reprèsente un fusible à fusion rapide."
4A/125V
Power Supply Block Diagram
GND
TP300
+B
TP601