A01 272217190338 Psu - Philips Q552.2E Service Manual

Circuit Diagrams and PWB Layouts

10-2 A01 272217190338 PSU

Switching Power Supply
Switching Power Supply
A01
GT1
(1308)
CN1 F1
FL1
L
N
COLD
COLD
GT2
COLD
COLD
Q800 B+'
R821 R822 R825
B++
R818A
VCC-ON
R803
ZCD
R614
IC601
R610
Q906
VCC-ON
R900
IC902
AC_BROWN
Q552.2E LA 10.
D806 D808
FL2
BD1 L800 D805
NTC1
C963A C963B R903A R903B
AC_BROWN
R814
VCC-ON R808
IC801 D807 R805
R811
R819
VCC-ON
B++
R602C R602B R602A
B+'
D603
FB601
R605 D602
R607
B++
ZD905
D901
IC901
FB900
D902
D903
ZC'
EN 85
PRIMARY SECONDARY
HOT COLD
B+
FB905 CY5
R300 12V' 24V'
R302 C301
C302
IC300
J20
24V'
Q241
T601
R240 C240 C241
D240
BROWN
R120 C120 C121
D120
12V'
ZCD
,
,
T901
R950 C950 C951
L951
FB950
D951
D952
R906
R951
R957 C954
R960
C955
STANDBY
IC951
back to
2011-Jun-01
div. table
(1M95)
(1316)
(1319)
CN2
CN3
3.3VSB
A1
A3
STANDBY
12V3
C125
OCD
VSND
C245
BL-ON-OFF
BL-DIM
BL-I-CTRL
POK
A4
24V
A2
24V''
L240 FB240
FB241
R244
(1M99)
L120 12V''
FB120
12V3
12V3
3.3VSB
(1M09)
C127
Q951
12V3
(1MP1)
J12
12V3
J24
24V
Switching Power Supply
A01
CN4
24V
VSND
CN5
CN6
CN7
5 2011-01-19
DPS-139AP A
18777_005_110525.eps
110525