A01 272217190339 Psu - Philips Q552.2E Service Manual

Circuit Diagrams and PWB Layouts

10-3 A01 272217190339 PSU

Switching Power Supply
Switching Power Supply
A01
(1308)
CN1 F1
L
N
COLD
NTC1
COLD
Q800 B+'
R821 R822 R825
B++
VCC-ON
R803
ZCD
VCC-ON
IC902
AC_BROWN
Q552.2E LA 10.
GT1
FL2
FL1
L800
BD1
COLD
GT2 C963A C963B
AC_BROWN
COLD
R814 R808
VCC-ON
IC801 D807 R805
R811
R819
B+'
B++
IC601
R605
D602
R607
R610
Q906
R900
IC901
FB900
D903
EN 89
FB905 CY5
D806
B+
No Components
D805
PRIMARY SECONDARY
HOT COLD
R300 12V' 24V'
R302 C301
C302
IC300
T601 R240 C240 C241
24V'
D240
L240
FB601
BROWN
R120 C120 C121
D120
ZCD
B++
T901
R950 C950 C951
D951
D952
D902
ZC' R906
R951
R957 C954
C955
IC951
back to
2011-Jun-01
div. table
(1316)
CN2
A1
Secondary GND Primary GND
OCD
A2
3.3VSB
12V3
VSND
24V''
FB240
POK
24V
FB241
VSND
L120 12V''
12V' FB120
12V3
12V3
L951
FB950
3.3VSB
Q951
J12
12V3
J24
24V
STANDBY
Switching Power Supply
A01
(1319)
CN3
A3
A4
(1M95)
CN4
STANDBY
C125
C245
BL-ON-OFF
BL-DIM
BL-I-CTRL
24V
(1M99)
CN5
(1M09)
CN6
C127
12V3
(1MP1)
CN7
C128
1 2010-09-27
DPS-186FP A
18777_009_110530.eps
110530