Main Logic Board; Circuit Diagram - Star Micronics TUP900 Series Technical Manual

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5.

Main Logic Board

5-1. Circuit Diagram

CC
6
C
C
CO
8
C
C
9
8
S
C
DD
P P
DS
8
6
B
S
DD
DS
6
6
9
8
B
8
S
D
9
D
D
9
D
C
9
P
DJ
DJ
B
DJ
PRS
DJ
DJ
PRS
PRS
DJ
OP
DJ
6
8
P
6
P
PRS
J
P
J
P
DD
J
P
J
P
J
P
J
J
P
P
J
P
J
P
J
P
DD
BC
BC
B
6
BC
C
BC
D
DD
CS
8
CS
6
9
CS
C
DD
S
8
C
DD
O
BC
D
S
SS
C
D
6
S
8
8
S
P
P
9
9
6
P
P
D
9
P
D
88
C
8
P
OC
P
OC
P
B
P
B
OC
OC
6
P
6
6
OC
P
D
P
OC
B
6
6
D
6
66
P
6
D
6
8
6
P
P
6
9
P
P
P
6
CS
8
P
P
66
CS
6
P
9
P
P
P
6
P
P
P
OC
P
OC
B
P
6
OC
P
OC
B
8
D
D
6
P
D
D
6
P
D
6
D
6
D
8
D
P
8
9
8
P
D
8
9
P
D
9
6
P
D
P
6
D
P
9
D
D
P
6
P
D
D
9
6
P
D
D
8
D
O
6
8
D
6
8
9
D
D
6
CC
8
8
SS
6
SS
9
6
8
8
8
S
B
8
CC
8
9
CC
SS
99
SS
8
SS
9
8
6
9
CC
8
6
6
CC
8
68
9
SS
6
SS
6
9
SS
SS
CS
SS
6
9
SS
S
SS
9
RD
9
CC
8
SS
9
9
SS
SS
6
P
SS
C
6
SS
P
9
6
P
6
9
P
8
6
C
S
P
9
P
C
S
6
6
P
D
8
9
6
6
6
C
S
P
D
CS
8
86
CS
C
DD
DD
C
P
C
DD
9
C
6
S
DD
6
C
DO
8
D
B
C
S
CS
D
DD
6
B
8
9
6
8
9
DD
BC
DB
DB
DB
DB
8
DB
DB
6
DB
8
DB
CO
DB
6
9
DB
DB
DB
8
DB
DB
6
DB
DB
B
B
B
B
6
8
B
8
DB
9
B
DB
6
B
DB
B
DB
B
8
DB
9
DB
B
DB
B
DB
B
8
B
B
B
6
B
B
B
B
B
B
6
B
B
B
B
8
B
8
B
9
B
9
B
8
9
C
C
C
6
C
C
6
C
C
8
C
DD
– 31 –
6
9
8
CC
C
C
8
B
S
PB
( OD )
P I O
6
8
( OD )
P I O
9
9
S
B
( OD )
P I O
C
( OD )
P I O
( OD )
P I O
( OD )
P I O
( OD )
P I O
6
( OD )
P I O
( OD )
8
P I O
( OD )
P I O
9
S
( OD )
P I O
( OD )
P I O
( OD )
P I O
( OD )
P I O
D
6
D
D
8
D
9
D
D
8
C
D
6
D
DO
( PD )
( PD )
C
C
9
8
SDB
9
9
O
C
B
9
6
O
B
S B
9
O
DB
S
BB
8
6
C
C
DB
CS
B
8
O
8
8
8
( OD )
O
O
8
P
( OD )
O
8
( OD )
O
8
S
S
B
C
B
S
S
D
S
BC
BC
DD
S
D
6
DD
S
8
DD
B
6
9
SS
S
BB
SS
S
BB
S
BB
BC
B
BC
DD
S
BB
9
DD
S
BB
9
DD
BB
6
S
SS
DP
SS
OD
S
S
8
DD
( OD )
S
S
DD
S
B
C
C
SS
S
6
SS
S
SS
8
9
6
6
DD
D
8
6
SS
D
B
C
D
SS
6
SS
B
6
B
6
B
6
D
B
66
D B
86
D
8
8
D
88
9
D
89
D
9
D
9
D
9
6
D
6
6
9
D
OD
( OD )
B
O
6
9
( OD )
B
O
( OD )
O
B
6
( OD )
O
B
8
( OD )
O
B
9
( OD )
B
O
6
( OD )
O
B
6
8
( OD )
O
B
8
9
( OD )
D
( OD )
D
( OD )
D
6
P
C
B
( OD )
D
99
S
B
S
S
D
B
6
S
B
S
B
6
BB
68
CS
B
P
BB
DD
C
8
8
C
O
O
O
O
O
O
O
6
O
CC
6
8
O
6
O
9
6
O
D
D
D
D
D
D
D
D
D
D
6
D
C
C
BUSY
P
D
S
B
6
CS
66
D
D
D
D
B B
Protection timer
SC
D
DO
D
DO
B
S
B
S
B
S
B
S
B
S
B
S
B
6
P
D
Protection timer
P
P
P
P
P
P
P
O
Protection timer
CS
CS
CDS
CDS
Protection timer
O
PRS
PRS
PRS
P
P
P
B
DUP
OP
6
DD
D
S
D
S
8
Protection timer
P PP
P PP
D
D
OD
P
D
D
P
P
D
P
D
P
S
P
S
P
S
P
S
68
BB
69
BB
D
B
D
(1/5)

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