Epson TM-L90 series - Page 145

Rev.B Appendix F-17
TM-L90 Service Manual
Confidential
Power SW Controller Block (Drawing Number 8)
PSW
PSW+
DSW1-1+
V24OUT
DSW1
V24IN
VIO
VIO
VIO
RS11
1 2
US1A
14
2 5
3
6
41 147
DQ
CLK
Q
PRCL
VCCGND
RS24
1 2
QS12
2
3
1
RS13
1 2
RS22
12
QMS2
43 5
1 6 2
RS6
1 2
RS9
1 2
CS9
12
RS12
1 2
CS1
PN
CS3
12
RS27
12
RS20
1 2
QMS4
43 5
1 6 2
RS16
1 2
RS10
1 2
CS11
PN
DMS1
1
2
3 4
5
6
DMS6
4
2 3
1
RS2
12
DMS4
1 2 3 4
5 6
DS1
12
RS1
12
RS7
1 2
QS3
2
3
1
+
-
US2A
3
2
1
84
RS21
12
CS2
12
+
-
US2B
5
6
7
RS18
1 2
RS28
1 2
US1B
12 9
11
8
1013 147
DQ
CLK
Q
PRCL
VCCGND
RS4
1 2
QS2
1
23
RS311 2
CS12
PN
RS30
1 2
QS14
2
3
1
RS29
1 2
RS14
1 2
CS6
12
RS5
12
CS7
12
DMS5
1 2 3 4
5 6
RS26
12
RS23
12
RS8
12
+
-
U2B
5
6
7
RS25
12
CS10
12
RS17
1 2
CS8
PN
CS4
12
CS5
12
QS1
1
23
RS3
12
DMS2
4
2 3
1
DMS3
4
2 3 1
DMS7
1
2
3 4
5
6
QMS1
43 5
1 6 2
RS19
12
IF_PWRON 4
DSW120
DSW1-1+20
PSW-20
PSW+20
V24OUT 3,5,20V24IN20
PSW1
nOFF_TRG 1,20
OFF_CTRL 1