Canon FAX L1000 Service Manual page 341

SCNT board (J9) ,/ NCU board (J1)
J9 J1
.
1 23
,
2 22
,
3 21
,
4 20
.
5 19
.
6 18
.
7 17
,
8 16
,
9 15
,
10 14
,
11 13
.
12 12
/
13 11
/
14 10
/
15 9
/
16 8
/
17 7
.
18 6
.
19 5
/
20 4
/
21 3
/
22 2
.
23 1
SCNT board (J10) ,/ SPEAKER
J10 Speaker Signal name
/
1 1
/
2 2
FAX-L1000 Chapter 4: Maintenance and Service
Signal name Description
DGND Ground
BIT3 for future use
BIT2 for future use
BIT1 for future use
LPL2 Not used
LPL1 Not used
HOOK2 Not used
HOOK1 Off hook detection signal
CIOR CIOR signal 1
CI2 CI detection signal 2
CI1 CI detection signal 1
LPRD Not used
DCD DC relay control signal
CMLD CML relay control signal
HRD H relay control signal
PRD P relay control signal
SRD S relay control signal
DGND Ground
DGND Ground
VH +24V DC
+3.3V Logic drive voltage
+3.3V Logic drive voltage
DGND Ground
Description
SPKO2 Speaker out 2
SPKO1 Speaker out 1
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