Olivetti d-Copia 1600 Service Manual page 186

2HA/2HB
PC005
PC004
L004
TR001 TR002
3
L003
L001
1
C003
L013
Connector Pin No.
IL001 1
Connected 2
to the AC
3
power plug
YC1 1
Connected 2
to the
3
engine PWB
4
and left
5
cover safety
6
switch
7
YC2 1
Connected 2
to the
3
engine PWB
4
5
6
7
8
9
10
11
12
13
14
2-3-2
C008
D005
C006
C027
YC7
F002
SW001
F001
Figure 2-3-2 Power source PWB silk-screen diagram
Signal I/O
AC-L I
FG -
AC-N I
+24 V1 O
NC -
+24 V2 I
+24 V4 O
PGND -
SGND -
+5 V O
+5 V O
SGND -
+24 V2 I
SGND -
ZCROSS O
SLEPN I
S.HEATN I
M.HEATN I
COUNTN I
PGND -
PGND -
+24 V1 O
+24 V1 O
+24 V O
Q206
Q006
T001
C017
YC8
1 1
L012
F003
4 4
AC supply (LIVE)
Ground
AC supply (NEUTRAL)
DC power supply for LCSSW
Not used
24 V DC power supply
24 V DC power supply for EPWB
Ground
Ground
5 V DC power supply for EPWB
5 V DC power supply for EPWB
Ground
24 V DC power supply
Ground
Zero-cross signal
Power source sleep signal
FH-S on/off
FH-M on/off
Counter control signal
Ground
Ground
24 V DC power supply for EPWB
24 V DC power supply for EPWB
24 V DC power supply for EPWB
Q101
C104
L102
D101
14
YC3 YC5
C204
F201
C301 1
C102
IC301
Description
1
1
YC9
1
7
1
2
2
2