Philips 55PFL6900/F7 Service Manual page 165

Power Supply CBA Top View [TYPE C]
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.
1 VLED2
2 ILED2
3 VLED3
4 ILED3
CN1201
GP002
C1418
C1417
1 VLED1
2 ILED1
R1415
J1407 GND
L1401
C1403
J1210 LED VIN
J1213
R1315
J1202 LED VIN
J1203 GND
C1303
L1301
C1217 C1218
R1215
J1300 GND
L1201
C1203 C1118
J1308
LED VIN
J1109 GND
J1105
Q1101-Gate
Q1101 Source
IC1101
J701 LED VIN
J705
LED VIN
GP001
1
2.5A 250V
J1409
J500
1 PROTECT3 PROTECT3
VLED4
2 ILED4
CN501
J1410 J501 BL-SW
BL-ADJ
CN1401
J1403 GND
J503 P-ON+21V
J502 BL-ADJ
J504 P-ON H2
J505 Protect1
J508
Q671 C
IC1401
J506 RESET
C728
J507 AMP+13V
J1401
AMP+13V
C656
J611
C657
Q654 B
C655
D658
D653
J1404
J1400 GND
PROTECT3
J1405
BL-SW
D655
J1406
BL-ADJ
C654
LED VIN
J1209 GND
D654
C651
IC1301
J1301
AMP+13V
C652
J1304
PROTECT3
J1310
BL-SW
J1309
BL-ADJ
J1302
PWM
COLD
J1307 GND
IC1201
IC1702
J1306 AMP+13V
C1709
J750
C1117
IC1703 FB
T1701
J613
IC1703 Out
R1115
BC1703
J1102
D712
D1707
C1711
D711
D710
BA5GRHF0102 1
D706
2 3
CAUTION ! : For continued protection against risk of fire,
replace only with same type 2.5A, 250V fuse.
ATTENTION : Utiliser un fusible de rechange de même type de 2.5A, 250V.
IC1602
CN601
NEUTRAL
C615
IC602
J605 IC601 FB
J608
ZCD
J604 IC601
PFC GND
J606
IC601 Vcc
C620
J607
D605 Cathode
BC602
C614
R618
T601 D606
C619
J614
C605
PFC VOUT
C601
D604
D607
D603
C1615
C1626
HOT
J1703 VCC+15V
J1613 PWMCNTL
R1624
J704 PFC VOUT
C1621
PFC GND
J1601
C1623
D1605
T1601
D1603
BC1604
J1609 PFC VOUT
C1622
J1602 ZCDB
C1708
J1604
J1612
IC1601
TOOL NO.
1 2 3 4 5 6 7 8
J1608 HVSEN
J1600 VINAC
4 5
10-63
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.
LIVE
SA601
F602
C604
R601
C640
C641
C642
T1602
GDA
ZCDA
BA5GRHF01021