CHAPTER 2
Operations and Maintenance
2 - 7
3-3
External Display Circuit (EBA-30/31/32/33/34/35)
+12SF
74VHC595
74LS07DBR
BLM18AG471SN1D
BLM41PG47SN1D
BLM41PG47SN1D
IC6
S7B-ZR
CN2
SER
QA
QB
QC
QD
QE
QF
QG
QH
QH'
15
1
1
+12V
GND
EXDSP1
EXDSP2
EXDSP3
EXDSP4
EXDSP5
2
3
4
5
6
7
1
2
3
4
5
6
7
2
3
4
5
6
1
2
F4
1C7A
74LS07DBR
BLM18AG471SN1D
F3
F6
F5
1C7B
74LS07DBR
BLM18AG471SN1D
F2
1C7C
74LS07DBR
BLM18AG471SN1D
F7
1C7D
74LS07DBR
BLM18AG471SN1D
F8
1C7E
7
9
SCK
SCLR
G
RCK
14
11
12
10
13
*HM0TDVA
*HM0TDVB
TRCLK
TRSET
*RESET
TRDT
3
4
5
6
9
8
11
10
ZHR-7
CN2J
Example of external
display connection