Philips 43PFL4901/F7 Service Manual page 51

Power Supply CBA Top View
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.
BOND
C618
JS605 +B
D604 JS604 +B
JS603 +B
D603
J101
FG
C614
CAUTION ! :
2.5A 250V
ATTENTION : Utiliser un fusible de rechange de même type de 2.5A, 250V.
BOND
C617
IC601
C606
C604
For continued protection against risk of fire,
replace only with same type 2.5A, 250V fuse.
C657
C658
C653
J108
J121
GND
GND
C603
C652
D659
D650
J134
P-ON+21V
D651
GP005
T601 D652
L1203
JS1201
D658
J120
P-ON-H2
D653
J123
AMP+13V
D655
C654
J116
ALL+3.3V
C663
C655
J117
P-ON-H2
J109
GND
J107
Q650Base
J122
GND
C651
CN501 BA4DV2F0102 3
10-13
Because a hot chassis ground is present in the power supply
circuit, an isolation transformer must be used when repairing.
Also, in order to have the ability to increase the input slowly,
when troubleshooting this type of power supply circuit,
a variable isolation transformer is required.
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
GP001
C1103
C1203
C1218
R1215
C1220
C1219 C1119
C1120
J154 J166
LDR1
C1118 VLED1
J147
SOURCE1
J149
AMP+13V J161
GND
J162
BL-SW
C1117
J163
PWM1
J142
EN2
J144
J164 GND
PWM2
J165
ILED1
BA4DV2F01023