Toshiba 1550 Service Manual page 178

1560 Logic Circuit (PWA-F-LGC) 3/8
1
A
D[0:15]
[D[0:15]]
A16
[A16]
A[0:15]
[A[0:15]]
B
CS2
[CS2]
RD
C
[RD]
D
STORE
[STORE]
WRRAM
[WRRAM]
CSSRAM
[CSSRAM]
E
F
1
Mar. 1998 © TOSHIBA
2 3
LNS-D
[LNS-D]
LNS-C
[LNS-C]
LNS-B
[LNS-B]
[SKT]
LNS-A
[LNS-A]
37 3 D15
A15 Q15
A15 36 4 D14
A14 Q14
A14 35 5 D13
A13 Q13
A13 34 6 D12
A12 Q12 CC0.1/25
A12 33 7 D11
A11 Q11
A11 32 8 D10
A10 Q10
A10 31 9 D9
A9 Q9
A9 29 10 D8
A8 Q8
A8 28 12 D7
A7 Q7
A7 27 13 D6
A6 Q6
A6 26 14 D5
A5 Q5
A5 25 15 D4
A4 Q4
A4 24 16 D3
A3 Q3
A3 23 17 D2
A2 Q2
A2 22 18 D1
A1 Q1
A1 21 19 D0
A0 Q0
VDD
MRR-D
[MRR-D]
39
PGM
MRR-C
[MRR-C]
2
CE
MRR-B
[MRR-B]
20
OE
MRR-A
[MRR-A]
1 38
VPP NC
IC13
27C1024120F1
1
C40
CC0.1/25
2 C
CC0.1/25
GND
[SKT]
A12 2 19 D7
A12 DQ7
A11 23 18 D6
A11 DQ6
A10 21 17 D5
A10 DQ5
A9 24 16 D4
A9 DQ4
A8 25 15 D3
A8 DQ3
A7 3 13 D2
A7 DQ2
A6 4 12 D1
A6 DQ1
A5 5 11 D0
A5 DQ0
A4 6
A4
A3 7 CTR-ON
A3 [CTR-ON]
A2 8 PKUPCLT
A2 [PKUPCLT]
A1 9 FEDCLT
A1 [FEDCLT]
A0 10 RGTCLT
A0 [RGTCLT]
1
NE
27
W
20
E CC0.1/25
VDD 22
G
28
VDD
14 26
GND NC
1
IC9
C55
CC0.1/25 10C68-P45V
2 C
GND
2 3
HINT
How to search for where a signal in a
circuit diagram has jumped to.
4 5
+5VSW +24V
14 15 LNS-MOT-D
I3 O3 [LNS-MOT-D]
11 10 LNS-MOT-C
I2 O2 [LNS-MOT-C]
6 7 LNS-MOT-B
[LNS-MOT-B]
I1 O1
3 2 LNS-MOT-A
I0 O0 [LNS-MOT-A]
8 16
VDD1 COM1
1 9
1
VDD0 COM0
C24
13
GND3
2 C
12
GND2
5
GND1
4
GND0
18
GND1FIN
17
GND0FIN
IC5
62308F
DG
+5VSW
+24V
14 15 MRR-MOT-D
[MRR-MOT-D]
I3 O3
11 10 MRR-MOT-C
I2 O2 [MRR-MOT-C]
6 7 MRR-MOT-B
I1 O1 [MRR-MOT-B]
3 2 MRR-MOT-A
[MRR-MOT-A]
I0 O0
8 16
VDD1 COM1
1 1 9
VDD0 COM0
C32
13
GND3
2 C
12
GND2
5
GND1
4
GND0
18
GND1FIN
17
GND0FIN
IC4
62308F
DG
+5VSW +24V
DUMMY K-CTR
1 2
[K-CTR]
E4
14 15 T-CTR
I3 O3 [T-CTR]
11 10 PKUP-CLT
I2 O2 [PKUP-CLT]
6 7 FED-CLT
I1 O1 [FED-CLT]
3 2 RGT-CLT
[RGT-CLT]
I0 O0
8 16
VDD1 COM1
1 1 9
VDD0 COM0
C58
13
GND3
2 C
12
GND2
5
GND1
4
GND0
18
GND1FIN
17
GND0FIN
IC8
62308F
DG
4 5
6 7
VDD
14
7407M
PKUPCLT2 1 2 PKUP-CLT2
[PKUPCLT2]
IC15
7
14
7407M
FEDCLT2 3 4 FED-CLT2
[FEDCLT2]
IC15
7
14
7407M
RGTCLT2 5 6 RGT-CLT2
[RGTCLT2]
IC15
7
14
7407M
MOTON2 9 8 MOT-ON2
[MOTON2]
IC15
7
14
7407M
MOTDIR 11 10 MOT-DIR
[MOTDIR]
IC15
7
14
7407M
MOTBRK 13 12 MOT-BRK
[MOTBRK]
IC15
7
1
C67
CC0.1/25
2 C
GND
+5VSW
MOTON 7 10 MOT-ON
[MOTON] I6 O6
ERSON 6 11 ERS-ON
[ERSON] I5 O5
CN-ON 5 12 LED-CN-ON
[CN-ON]
I4 O4
HVT-M 4 13 HVT-M-ON
[HVT-M] I3 O3
HVT-TR 3 14 HVT-TR-ON
[HVT-TR] I2 O2
HVT-GB 2 15 HVT-GB-ON
[HVT-GB] I1 O1
HVT-SP 1 16 HVT-SP-ON
[HVT-SP] I0 O0
9
VCC
1 8
GND
C39
IC3
CC0.1/25
2 C
62305F
GND
6 7
14 - 11
8
A
[PKUP-CLT2]
[FED-CLT2]
[RGT-CLT2]
B
[MOT-ON2]
[MOT-DIR]
[MOT-BRK]
C
[MOT-ON]
D
[ERS-ON]
[LED-CN-ON]
[HVT-M-ON]
[HVT-TR-ON]
[HVT-GB-ON]
[HVT-SP-ON]
E
F
3
8 8
1550/1560 CIRCUIT DIAGRAMS