Decoder Board - Philips MCM770 Servise Manual

Decoder Board -- Circuit Diagram
VCC_27V
L2 FB/DIP/3.5*4.7
CE3 C1
+
470uF/35V 1uF/50V/0805
18K
DC-005
VCC_27V
1
2
J1 3
1
JACK1
2
CON2.54-2
A5V
L8 +
100UH
3
D3
1N4148
R29 10K
3 ECO_POWER
R31 10K 3
C7 R32
104 22K
R33
10R
8-1
CB1 0.1uF
U1 MP4460 L4 27uH_2A
R6
8 1
VIN SW
D1
9 2
VIN SW
100K
3 5
EN FB
SK34 R9
R10
7 4
FREQ COMP
200K
R197 R12
200K 10K
C5 C4
150pF 22pF/NC R16
R15
100K 39K
CE9
47u/16V
T1
Q8 TRANSFORMER
D965,DIP
VF1
1 6 R26 220R
C6
2
VF2
473 R28 220R
7
3 8
-27V
4
D4
R30 33R 1/4W
Q10 5 9
D965,DIP FR104
CE12 100u/35V D6 27V/0.5W CE13 10u/35V
C8
104
L1 R2
FB0805 NC/47K
only DAB use
L3 FB/600
L6
L5 FB/600 FB0805
C2 R7
CE5 47K
+
2.2uF/16V
470uF/10V/8X7
only ipod use
L7
NC/FB0805
D2
1N4007
R18
47K
CE10 R22 R23
VCC_27V
220u/35V 47R 1/2W 47K
+
R25
10K
3,4 STANDBY
R27
22K
D5
6.2V/0.5W
R204
PP1
10K
9 2 9
9 2
8 3 8
8 3
7 4 7
7 4
6 5 6
6 5
8-1
R1
0R
Q1
FM5V
NC/CES2307
+ CE1
100u/16V
R1 R2 R3 R4 R5
R3 F M 0 NC N C NC NC
NC/1K
DAB N C 47K 1K 4.7K 22K
CE2 R5 R4
NC/10u/16V NC/22K NC/4.7K
Q2
2
DAB_ON_OFF 3
NC/2N3904
+
Q3
CE4 R8
100u/25V I5V
33K
CES2307
+
R11
1K
CE6 R14 R13
10u/16V 22K 4.7K
Q4
2
STANDBY 3,4
2N3904
+
A5V
+
CE7
100u/16V
Q5
R17
33K CD_5V
CES2307
R19
1K
R20 10K
Q6
2
CD_ON 3
2N3904
+
CE8 R21
22u/16V 22K
A22V
1 3
Q7
8550 DIP
R24
1K
Q9
2
2N3904
+
MK1
MK2
MK3
CE11
MK4
22u/16V
MK5
MK6
PP2 PP3
2 9 2
9 2 9 2
3 8 3
8 3 8 3
4 7 4
7 4 7 4
5 6 5
6 5 6 5
R121 CE1 CE2 Q1
NC NC N C N C
100R 1 0 0 u F 10uF AMP2301