Epson TM-L90 series Service Manual page 145

Confidential
Power SW Controller Block (Drawing Number 8)
V24IN
20 V24IN
DSW1
20 DSW1
PSW
1 PSW
DSW1-1+
20 DSW1-1+
PSW+
20 PSW+
20 PSW-
Rev.B
RS1
VIO
RS3
RS25
RS26
DMS4 DMS5
DMS3
QMS1
CS6
CS3
RS11
RS19
RS16 RS17
2 1
CS9
US2A
3
+
1
2
-
RS23
2 1
CS11
CS12 5
+
7
6
-
U2B
RS30
1 2
1 2 RS31
3 2 3
CS1
RS2 RS27 QS1 QS2
2 1 1 2
DS1 RS4
RS5
1
2
3 4 1 2 3
2 5 RS6 QS3
1 6
DMS1
1 4
2 3
DMS2
CS2
QMS2
RS12
RS20 RS13
12
3 2 1 11
2
RS22
CS10
1
QS14
2 V24OUT
V24OUT 3,5,20
VIO
CS4
RS10
14
1 2 2 5
D Q
1 2 3
CLK
RS7 6 1
Q
CS5
2
US1A
DMS6
2 1
RS8
CS7 3
RS28
2
1
DMS7
RS29
QMS4
VIO
RS14
RS21
RS18
2 1
1 US2B
CS8
5
+
9 2 7
D Q
3 6
-
CLK
QS12
8 RS24
Q
US1B
TM-L90 Service Manual
IF_PWRON 4
4
OFF_CTRL 1
3
RS9
4
5
6
nOFF_TRG 1,20
Appendix F-17