Power Board - Circuit Diagram - Philips MC-20 Service Manual

POWER BOARD - CIRCUIT DIAGRAM

0013 C4 1600 C2 1603 D3 3600 B2 3603 C4
0014 C4 1601 C3 1604 B3 3601 A4 5600 A1
0015 A4 1602 D3 2600 B3 3602 B4 5601 C2
1 2
AC1a
NEUTRAL
5600
1
A 1 8
TO
9604
MAINS
CABLE
4 5
3
Mains
filter
LIVE
AC1b
3600
B 10M
/37 ONLY
to chassis
120V 230V
4 5 6
C
1600 /21 only
2 3
1
EI-57-30
1
3
D 5
6
MC10 /ALL
EI-57-35
1
3
E
5
6
MC20 /02 & /17
EI-66-40
1
3
F
5
6
MC20 /01
1 2
PCS 104 569
9-1
5602 E2 6600 A3 6603 A3 7600 C3 9603 C2
5603 A2 6601 A3 6604 A4 9601 D4 9604 A2
5604 F2 6602 A3 6605 B4 9602 D3
3 4
3601 6604
4K7
0015
1N4148
6601
6600
DIPMATE
1
4
1N4148 1N4148
5603
2
EI-28-12.3
3
6602 6603
6
4
1N4148 1N4148
2600
to AF board
220u
conn. 1252
3602
10R
AC1a 1604
3
2
6605
1N4148
4
1
AC1b
3603
7600
BC547B
10K
9603
FORESEEN ONLY
/22 & /37 only
1601
0014
5601
3.15A
T DIPMATE
1
7
1602
9
2
MC148- T2A
10 3
9602 MC118- T 3.15A
MC20 only
12 4
9601
13
MC20 only
MC10 only
16
to AF board
1603
conn. 1250 & 1251
5602
3.15A
T
MC10 only
7
10
12
16
5604
8
12
13
17
3 4
POWER BOARD - LAYOUT DIAGRAM
1 2
PWRDWN A
A
+C
GND_D
STANDBY
B
C
B
D
E
C
1 2
0013
DIPMATE
1
2
3
D
MC20 only
E
F
9-1
3 4 5 6 7
3 4 5 6 7
8 9
A
B
C
D
E
8 9