Epson LG1-1070 Service Manual page 117

Table A-2. CN2 BOARD ASSY., MAIN (C062 MAIN) Table A4. CN4 BOARD ASSY., MAIN (C062 MAIN)
No. Signal Name
1 - + 5
2 - + 5
3 - + 5
4 - + 5
5 - + 5
6 - + 5
7 0
8 0 /READY
9 I
1 0 - NC
11 0 / R S T
12 0 INH
13 I
14 I
15 I
16 0 / W R
17 0
18
0
19 -
2 0 -
21 -
2 2 -
2 3 -
2 4 -
2 5 0 A 3
2 6 0 A 2
2 7 0 A l
2 8 0 AO
2 9 D 7
3 0
D 5
31
3 2 D 4
D 3
3 3
3 4 D 2
3 5
3 6 DO
Table A-3. CN3 BOARD ASSY., MAIN (C062 MAIN)
No. Signal Name
/PAUSE
2 - /READY
3 0
4 0
5 0
6 0
7 I
8 - + 5
9 -
10 - SHLD
POWER I
11 I
12 - POWER2
Function
+5 VDC
+5
+ 5 VDC
+ 5 VDC
+ 5 VDC
+ 5 VDC
Transmit data
Ready to receive data
Receive data
No connection
Reset
Inhibit
Command request
Write ready
Read request
Write
Read
Chip select
Signal ground
Signal ground
Signal ground
Signal ground
Signal ground
Signal ground
Address bus bit 3
Address bus bit 2
Address bus bit 1
Address bus bit O
Data bus bit 7
Data bus bit 6
Data bus bit 5
Data bus bit 4
Data bus bit 3
Data bus bit 2
Data bus bit 1
Data bus bit O
Function
Pause switch
Fixed GND
Transmit signal (LED)
LED data latch
Shift clock
Load switch data
Receive data (switch)
+5 VDC
Signal ground
Shield ground
Power switch
Fixed GND
No. Signal Name
o
CRA
0
2 CRB
0
CRC
3
0
4 CRD
0
5
Table A-5. CN5 BOARD ASSY., MAIN (C062 MAIN)
I
0
PFA
0
2 PFB
0
3
PFC
0
4 PFD
0
5
PFCOM
0
6
Table A-6. CN6 BOARD ASSY., MAIN (C062 MAIN
No. Signal Name
1 0
HD5
2 0 HDI
3 0 HD 13
4 0 HD9
5 0 HD21
6 0 HD17
COM
7 -
8 - COM
COM
9 -
10 0 HD24
11 0 HD16
12 0 HD 12
13 0 HD8
14
0 HD20
15 0 HD4
16 I TEMP2
17 - TEMP 1
A-3
REV.-B
Function
MOTOR, CR phase A
MOTOR, CR phase B
MOTOR, CR phase C
MOTOR, CR phase D
MOTOR, CR common
Function
MOTOR, PF phase A
MOTOR, PF phase B
MOTOR, PF phase C
MOTOR, PF phase D
MOTOR, PF common
MOTOR, PF common
Function
Head data 5
Head data 1
Head data 13
Head data 9
Head data 21
Head data 17
Common
Common
Common
Head data 24
Head data 16
Head data 12
Head data 8
Head data 20
Head data 4
Head temperature
I
I
I
I