Philips MCM3000 Service Manual page 25

CIRCUIT DIAGRAM - SMPS POWER BOARD
TO CN1101
AC101
FUSE1101
LF1101
T5A L 250V
1
2
540UH
NTC1
2 1
TO CN1102 SCK 055
SW-2
2
2
SW-1
R14 D3
Q1
+-
1N4148 4N60
10R
R15
U1 G
10R
R13
LN3C63
5
VDD
3 10K
IR
4
IS
D10
R62
+-
1N4148
2.2R
R61
100R
LN3C63
U5/2
5
VDD
3
IR
4
IS
U3
LN3C69
1 8
GND DRV
2 7
FB VCC
3 6
VDD SENSE
4 5
RI RT
Q10
3904
8 - 1
LF1
LF2
540UH
540UH
T1
D5
EL25
1
+ -
MBR10200
D4
R25
+ -
D
FR107
22
R26
S
22
2
D1 D15
R10
6
3
+-
+-
1N4148 S8050 FR107
10R
R56
U6
2K
5
4
R20
C E PC1
EL817
CY7
470PF/400V
Q2
S8550 C1232
22uF/50V
R19
2K
PC2
IC-EL817
T3
EEL19
7
1
D11
Q11 6
+ -
5N60
FR107
D
2 R76
G
S
R60
5
10K
4
3
PC4
IC-EL817
CY6
470PF/400V
T2
ER35
5
1
Q9
2 4
10N60
D
R43
D6
Q8
+-
G
3906
1N4148
2.2
S
C E
R42
22
3
R39
4.7K
PC3
IC-EL817
BD1
GBU406
AC
1 4
+ -
AC
L1
5UH
C6
102/100V
100
L1201
D13 SB3100
+ -
4R7/2A
R74
C32
22 102PF
C36 102PF
22
L6
D14 FR107
4R7/2A
+-
D12 FR107
+ -
L4
4R7/2A
R1209 C1217
22
102PF
L2
D14/2
+ -
MBR10200 10UH/4A
C17 R53
47
102PF
R54
47
R57
47
C24 R58
47
102PF
L3
D13/2
+-
MBR10200
10UH/4A
CY2
470PF/400V
CY1
470PF/400V
8 - 1
R230
NC
R23
13K
C10
R22
R21
2.7K
0.1UF
1K
U1302
TL431
R29
10K
R32
1K
Q3 Q4
3904 3904
B
Q6
3904
R33
27K
R70
NC
R69
39K
R66
470
R79
R68
C40
1R/2W
104PF 1K
U5
TL431
C16 R49
0.1UF
1K
U1102
R48 TL431
1K
CN1
1 +12V
2 +5V
3
GND
4 PWR-ON
R34
470
CN3
GND
1
-28V
2
3.6V.
3
3.6V
4
CN2
+26V
1
+26V
2
GND
3
GND
4
-26V
5
-26V
6