![Philips 14PV111/01 Service Manual Download Page 18](http://html.mh-extra.com/html/philips/14pv111-01/14pv111-01_service-manual_323121018.webp)
Power Supply Block Diagram
6
4
2
1
14
13
11
9
8
10
LINE
FILTER
BRIDGE
RECTIFIER
T601
IC601
ERROR
VOLTAGE DET
W601
F601
T4A/250V
L601,L602
D603 - D606
T6310BLP
SWITCHING
Q611
VR601
DEGAUSSING
COIL
CN601
Q601
+B ADJ.
FEED
BACK
LIMITER
Q602
PS602
4
1
3
2
HOT
COLD
1-7-24
1-7-23
Q614
DG601
MAIN CBA
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.
T4A/250V
TIMER+5V
P-DOWN-L(TO PIN85 OF IC201)
P-ON-ON
AL+9V
P-ON+8V
AL+12V
AL+12V
AL+5V
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
+5.7V
REG.
IC301
39
44
+B
DEF+B
POWER
SW601
Q612
+5V REG.
Q616
Q613
+8V REG.
Q617
Q619
TIMER+5V
AL+5V
P-ON+8V
P-ON-H
P-DOWN-L
10
6
9
5
14
AL+15V(NU)
3
AL+12V
4
AL+12V
7
AL+9V
8
AL+33V
13
10
6
9
5
14
3
4
7
8
13
TO
CRT/H.V.
BLOCK
TP503
+B
TP504
GND
CN602
12
JUNCTION-A CBA
JUNCTION-E
CBA
H.V./POWER SUPPLY CBA
CL603B
CN603
P-ON-H(FROM PIN67 OF IC201)
+5V
REG.
+5V
REG.
+5V
REG.
IC602
Q680
Q681
P-ON+5V
P-ON+5V
P-ON+5V
AL+33V
AL+15V/12V
CN702
CN506
CL506B
CL506A
CL603A
10
6
9
5
14
3
4
7
8
13
10
6
9
5
14
3
4
7
8
13
1
1
GND
2
2
GND
3
3
GND
4
4
GND