Philips MCM772 Service Manual page 23

10-1
Decoder Board--Circuit Diagram
VCC_22V
L2 FB/DIP/3.5*4.7
R213 100K
C115
1uF
CE50 +
CB12
0.1uF
470uF/25V/8X14
L8
A5V 100uH/1A
D3
1N4148
R29 10K
3 ECO_POWER
R31 10K
C7
R32
104 22K
R209 12K R210 30K R211 33K
C114 33pF R212 0
U13 APW7080
1 8
VIN GND
2 7
EN FB
3 6
UGND COMP
4 5
VCC LX
R214 C116
22pF
C117 24K
1uF
C118
1500pF
L30 27uH_2A
C119
D21 10uF/10V
SK34
+ CE9
47u/16V
T1
Q8 TRANSFORMER
3
D965,DIP
VF1
R26 220R
1 6
C6 2
VF2
473 7 R28 220R
3 8
4
D4 R30 33R 1/4W
Q10
3 5 9
D965,DIP FR104
CE12 100u/35V D6 27V/0.5W
R33 C8
10R 104
L1
FB0805
L3 FB/600
L5 FB/600 L6 FB0805
DC5V
CE51 + CB13
470uF/10V/8X7
0.1uF
L7
FB0805/NC
CE10 R22
VCC_22V
220u/25V 10R 1/2W
+
R25
10K
3,4 STANDBY
-27V
R202
D5 10K
6.2V/0.5W
PP1
CE13 10u/35V
9 2
9 2
8 3
8 3
7 4
7 4
6 5
6 5
10-1
R1
0R(NC)
Q1
FM5V
CES2307
R2 + CE1
47K 100u/16V
R3
1K
CE2 R5 R4
10u/16V
22K 4.7K
Q2
2
DAB_ON_OFF 3
2N3904
+
Q3
CE4 R8
I5V
100u/25V 33K
CES2307
R7 +
47K
R11
1K
CE6 R14 R13
10u/16V 22K 4.7K
Q4
2
STANDBY 3
2N3904
+
A5V
+
D2 CE7
1N4007 100u/16V
Q5
R18 R17
47K 33K CD_5V
CES2307
R19
1K
R20 10K
Q6
2
CD_ON 3
2N3904
+
CE8 R21
22u/16V
22K
R23
A22V
47K
1 3
Q7
8550 DIP
R24
1K
Q9
2
2N3904
R27 +
MK1
22K
MK2
MK3
CE11
MK4
22u/16V
MK5
MK6
PP2 PP3
9 2 9 2
9 2 9 2
8 3 8 3
8 3 8 3
7 4 7 4
7 4 7 4
6 5 6 5
6 5 6 5