Canon BJC6500 Service Manual - Page 102

CN2 Carriage ribbon cable connector, Rear nozzle heater select signal for lower nozzles

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Part 5: REFERENCE BJC-6500 CN2 (Carriage ribbon cable connector) Pin No. 1 2 3 4 5 6 7 8,10,12,17 9 11 13 14 15 16 18 19 20 21 22 23 24 25 26 27 28 Signal REGC REGA HPC HPA DIK0 DIA0 SNSG LGND HDATA0 HCLOCK0 HSEL1A0 HSEL1B0 HSEL2A0 HSEL2B0 HRSTX HALT ODD EVEN BENB0 BENB1 HENB0 HENB1 HENB2 HENB3 DIR IN/OUT OUT IN OUT IN OUT OUT ... IN OUT IN/OUT IN IN IN IN IN IN IN IN IN IN IN IN IN IN IN Function Voltage output from the print position sensor Print position sensor's LED drive voltage Home position sensor sense signal Home position sensor pull-up voltage Head temperature (diode) sensor's cathode line Head temperature (diode) sensor's anode line GND GND for the logic power supply Serial data (for right carriage) sent in synchronization with the clock signal Clock signal for serial data transmission Front nozzle heater select signal for upper nozzles (1-8, 17-24, ..., 145-152) Rear nozzle heater select signal for upper nozzles (1-8, 17-24, ..., 145-152) Front nozzle heater select signal for lower nozzles (9-16, 25-32, ..., 153-160) Rear nozzle heater select signal for lower nozzles (9-16, 25-32, ..., 153-160) Reset signal Serial data latch timing signal Odd-number nozzles select signal Even-number nozzles select signal Signal to generate heater enable decoder outputs Signal to generate heater enable decoder outputs Rear heater drive signal for nozzles 1-112 Front heater drive signal for nozzles 1-112 Rear heater drive signal for nozzles 113-160 Front heater drive signal for nozzles 113-160 Serial data input/output direction control signal 5-12

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CN2 (Carriage ribbon cable connector)
Pin No.
Signal
IN/OUT
Function
1
REGC
OUT
Voltage output from the print position sensor
2
REGA
IN
Print position sensor's LED drive voltage
3
HPC
OUT
Home position sensor sense signal
4
HPA
IN
Home position sensor pull-up voltage
5
DIK0
OUT
Head temperature (diode) sensor's cathode line
6
DIA0
OUT
Head temperature (diode) sensor's anode line
7
SNSG
...
GND
8,10,12,17
LGND
IN
GND for the logic power supply
9
HDATA0
OUT
Serial data (for right carriage) sent in
synchronization with the clock signal
11
HCLOCK0
IN/OUT
Clock signal for serial data transmission
13
HSEL1A0
IN
Front nozzle heater select signal for upper nozzles
(1-8, 17-24, ..., 145-152)
14
HSEL1B0
IN
Rear nozzle heater select signal for upper nozzles
(1-8, 17-24, ..., 145-152)
15
HSEL2A0
IN
Front nozzle heater select signal for lower nozzles
(9-16, 25-32, ..., 153-160)
16
HSEL2B0
IN
Rear nozzle heater select signal for lower nozzles
(9-16, 25-32, ..., 153-160)
18
HRSTX
IN
Reset signal
19
HALT
IN
Serial data latch timing signal
20
ODD
IN
Odd-number nozzles select signal
21
EVEN
IN
Even-number nozzles select signal
22
BENB0
IN
Signal to generate heater enable decoder outputs
23
BENB1
IN
Signal to generate heater enable decoder outputs
24
HENB0
IN
Rear heater drive signal for nozzles 1-112
25
HENB1
IN
Front heater drive signal for nozzles 1-112
26
HENB2
IN
Rear heater drive signal for nozzles 113-160
27
HENB3
IN
Front heater drive signal for nozzles 113-160
28
DIR
IN
Serial data input/output direction control signal
Part 5: REFERENCE
BJC-6500
5-12