Philips 43PFL4901/F7 - Page 41

10-3
Power Supply 1 Schematic Diagram
3 PROTECT3
12 GND
8 AL+3.3V
13 GND
7 BACKLIGHT-ADJ
20 P-ON+21V
16 AMP+13V
19 GND
2 PROTECT1(NU)
22 P-ON+21V
21 P-ON+21V
P-ON-H26
23 P-ON+21V
4 RESET
15 AMP+13V
9 GND
17 AMP+13V
11 GND
14 GND
10 GND
5 BACKLIGHT-SW
CN501
1NU
18 AMP+13V
AC601
AC CORD
10K
R623
0
R622
3.9K
R612
1N5406BH
D601
270
R613
100P
C610
0.22
/310V
C614
RB520SM-30
D609A
4.7
C623
CN601
B
KTC3875S
-Y-RTK/P
Q621
1N5406BH
D603
1N5406BH
D604
MM5Z6V2B
D605
KTC8050S
-D-RTK/P
Q602
KDZTR36B
D608A
TFZVTR27B
D607A
OPEN
C622
560
R621
1SS400ST
D610
82
R606
0.22
/2W
R611
1000P/250V
C620
100
R609
2200P/250V
C602
VARISTOR
SA601
0.039
C609
680P
/2KV
C606
0.22
/310V
C604
1N5406BH
D602
1SS400ST
D621
1.2M
/1/2W
R601
2200P
C607
W
220
/200V
C611
L601
LINE
FILTER
4
32
1
IC601
TLP785F
2.5A250V
G
D
S
TK7A60W
Q601
82
R607
MM5Z30B
D623
OPEN
C621
2.5A/250V
F602
1.5K
R608
0.015
C608
OPEN
C603
OPEN
D608
BC601
BEAD
220
/200V
C605
RS1JJTD
D606A
OPEN
D606
560K
R614
560K
R603
560K
R604
2200P
/630V
C612
JS605 JS603 JS604
L602
LINE
FILTER
OPEN
JS602
OPEN
JS601
OPEN
C617
10/16V
C618
10K
R658
68K
R659
KTC3875S-Y-RTK/P
Q653
10K
R669
D660A
AS431BNTR
-E1
220
R654
0
R674
6.8K
R661
100K
R675
220
R655
3.9K
R657
3K
R660
33K
R667
D661
1SS400ST
47K
R668
D653
SB3A0BH
C656
1/50V
33K
R652D656A
RS1BJTD
KTC3875S
-Y-RTK/P
Q650
1
R651
9.1K
R656
MM5Z11B
D657
OPEN
R694
OPEN
D654
OPEN
D654A
C654
470/16V
C655
470/16V
C668
470/16V
OPEN
R663
AMP+13V
D656
OPEN
BACKLIGHT-ADJ
PROTECT3
BACKLIGHT-SW
P-ON+21V
OPEN
C639
OPEN
C638
2200P
/630V
C650
D650
SB3200BR
C653
470/25V
D651
SB3200BR
D652
SB3200BR
D659
SB3200BR
C657
470/25V
C658
470/25V
OPEN
C659
OPEN
R690
Q656
OPEN
D662
OPEN
OPEN
R673
OPEN
R670
OPEN
R671
OPEN
R672
OPEN
C665
OPEN
R682
OPEN
R681
OPEN
R680
OPEN
R662
C663
OPEN
OPEN
D664
OPEN
C661
OPEN
C651
C652
470/25V
6
5
4
2
1
7
8
9
10
11
12
T601
POWER TRANS
15K
R615
15K
R616
15K
R617
2.2
R650
D659A
OPEN
D652A
OPEN
D650A
OPEN
D651A
OPEN
4
32
1
IC601A
OPEN
D660
OPEN
100P
C669
D662A
OPEN
OPEN
R676
OPEN
Q658
G
DS
D655A
OPEN
D653A
OPEN
D655
SB3A0BH
P-ON-H2
OPEN
C619
OPEN
C660
0.22
C666
PTZTE2527B
D658A
OPEN
D658
4
3
1
2
A FBCDE
0
0
3.5
3.2
0
0
0
0
3.4
3.3
3.4
13.0
0
21.1
TO DIGITAL MAIN
CBA UNIT CN3601
3.4
0
20.5
ERROR
VOLTAGE DET
18.3
1.2
OVER
VOLTAGE
PROTECT
0
0
1.2
20.4
SWITCHING
CONTROL
1.2
1.0
330.0
(SWITCHING)
8.1
19.5
(SWITCHING)
0
0
0.6
2.5
19.5
0
-3.1
(RESET)
3.4
0
CONTINUE
POWER 2
HOT CIRCUIT. BE CAREFUL.
POWER SUPPLY CBA
COLDHOT
13.0
13.0
13.0
21.1
21.1
21.1
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F602) 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.
For continued protection against risk of fire,
replace only with same type 2.5A, 250V fuse.
CAUTION ! :
ATTENTION : Utiliser un fusible de rechange de même type de 2.5A, 250V.
2.5A 250V
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
PL15.13SCP1