Philips 49PFL4609/F7, Руководство по ремонту

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HO
T
COLD
HOT CIRCUIT. BE CAREFUL. CN601 B
W
A
C
60
1
A
C
CORD
LINE FIL
TER
L602
LINE FIL
TER
L601
T601
BRIDGE RECTIFIER
T1602
T
O
SYSTEM CONTR
OL
BLOCK DIA
GRAM
DIGIT
AL MAIN CB
A UNIT
F602 2.5A/250V
1 3 4 5 6
11 12 10
9 8 7
2
7 5 6
1 4
8 5
T1701
11 13 10 14 15
3 2
IC602
1
4 3
2
Q1602
SWITCHING
Q1601
VCC
SWITCHING
IC1601
(SWITCHING CONTROL)
SWITCHING CONTROL
7
11
1
16
12
14
T1601
1 4
8 5
8
IC1602
(ISOLATOR)
Q691
Q1607
Q1604
1
4 3
2
IC1702
1
4 3
2
CN3601
P-ON+21V
20-23
AL+3.3V
8
8
15-18 20-23
CN501
AMP+13V
15-18
Q653
Q701
Q702
P-ON-H2
RESET
RESET
Q654
Q703,Q705
RESET Q650
D601-D604
AL+3.3V P-ON+21V AMP+13V
AMP+13V VIN
2.5A 250V
FB
Q601
SWITCHING
Q602
SWITCHING
+3.3V REG.
SWITCHING CONTROL IC601
2
IS
3
OUT
5
VCC
6
ZCD
1
FB
Q1704
SWITCHING
Q1702
Q1701
SW+15V
SWITCHING CONTROL
IC1701
2
IS
3
OUT
5
VCC
6
ZCD
1
ERROR VOLTAGE DET
ERROR VOLTAGE DET
FIGURE 6 - POWER SUPPLY BLOCK Page 9